Polyurethane yog ib qho tseem ceeb ntawm cov khoom siv tshuaj tshiab.Vim nws txoj kev ua tau zoo heev thiab kev siv ntau yam, nws yog lub npe hu ua "thib tsib loj yas".Los ntawm cov rooj tog zaum, khaub ncaws, mus rau kev thauj mus los, kev tsim kho, kev ua kis las, thiab kev tsim kho aerospace thiab kev tiv thaiv hauv tebchaws, cov khoom siv polyurethane ubiquitous yog cov neeg sawv cev tshiab ntawm cov khoom siv tshuaj tshiab thiab ib qho kev txhawb nqa tseem ceeb rau kuv lub teb chaws los tsim lub teb chaws muaj zog.
Tom qab ntau tshaj 20 xyoo ntawm kev loj hlob sai ntawm polyurethane raw khoom kev lag luam, nws tau qhia txog kev hloov pauv ntawm ntim-rau-zoo hloov.Cov tshuab tsim khoom thiab kev tsim khoom muaj peev xwm ntawm isocyanate tau ua tus thawj coj hauv ntiaj teb.Nws tau nkag mus rau lub sijhawm ntawm kev txhawb nqa thev naus laus zis uas tau nkag mus rau kev txhim kho zoo.Tam sim no, Tuam Tshoj tau dhau los ua lub ntiaj teb loj tshaj plaws polyurethane raw khoom thiab cov khoom tsim tawm, nrog rau thaj tsam ua tiav tshaj plaws hauv kev siv polyurethane.
Raws li ib qho tseem ceeb additive rau polyurethane, polyurethane expansion agents yog cov khoom uas muaj peev xwm hnov mob nrog cov pab pawg neeg cov kev xav ntawm cov kab polymer saw kom nthuav cov saw molecular thiab nce qhov hnyav molecular.Nws yog ib qho khoom siv tsis tseem ceeb rau kev tsim khoom ntawm ntau yam khoom siv polyurethane.Hauv kev sib xyaw ntawm cov ntaub ntawv polyurethane, polyurethane nthuav dav cov neeg ua haujlwm tuaj yeem ua tiav ob yam tshuaj lom neeg: kev nthuav dav thiab kev sib txuas kom ua tiav kev ua haujlwm siab, ua haujlwm zoo ntawm cov khoom siv polyurethane, xws li txhim kho qhov toughness, elasticity, thiab tearing degree ntawm cov khoom siv polyurethane, thiab degree ntawm tearing.Physics thiab tshuaj muaj kev ua tau zoo ntawm qhov kub thiab txias, roj tsis kam, huab cua tsis kam thiab corrosion kuj.
Ib, Lub luag haujlwm thiab kev faib tawm ntawm polyurethane saw expansion tus neeg sawv cev
Polyurethane expansion tus neeg saib xyuas yog hais txog cov tsis tshua muaj molecular amine thiab cawv sib txuas uas muaj ob pawg ua haujlwm, uas tuaj yeem tsim cov kab-hom polymer los ntawm cov saw txuas ntxiv.Los ntawm kev siv cov saw hlau sib txawv, lossis hloov cov qauv kev nthuav dav ntawm cov saw hlau, cov tshuaj tiv thaiv ntawm cov nqi sib txawv tau ua tiav, thiab cov khoom siv polyurethane nrog cov kev ua haujlwm sib txawv yog tsim.
Lub luag haujlwm ntawm polyurethane chain expansion agents hauv polyurethane synthesis tshua muaj xws li:
(1) Polyurethane saw expansion tus neeg sawv cev muaj cov yam ntxwv ntawm pawg (amino thiab hydroxyl pawg) uas tuaj yeem ua cov tshuaj tiv thaiv nrog isocyanate.Qhov hnyav molecular thiab cus ciav cov tshuaj tiv thaiv tuaj yeem ua rau cov tshuaj tiv thaiv polyurethane sai sai nthuav dav lossis khov kho, tsim kom muaj ib txoj kab nrog qhov hnyav dua molecular Cov molecules muaj kev ua haujlwm ntawm cov polymer.
(2) Cov saw hlau sib txawv muaj qhov sib txawv reactivity.Los ntawm kev siv ntau yam ntawm cov saw expansion agents thiab ntau npaum li cas, kho lub reactor viscosity, molecules thiab morphological lug hloov mus rau polyurethane ntau lawm thiab cov khoom ntawm txawv systems thiab zoo yuav tsum tau.
(3) Cov khoom sib txawv ntawm cov polyurethane nthuav dav tuaj yeem muab cov khoom sib txawv ntawm polyurethane, thiab qee cov yam ntxwv ntawm pawg qauv hauv cov saw expansion molecules tau nkag mus rau hauv cov saw tseem ceeb ntawm polyurethane, uas cuam tshuam rau kev siv tshuab thiab tshuaj lom neeg kev ua haujlwm ntawm polyurethane, xws li lub zog thiab kev puas tsuaj, Anti -Defiring qaug zog, kub tsis kam, huab cua tsis kam, roj tsis kam, corrosion kuj, thiab lwm yam.
Polyurethane expansion agents feem ntau muab faib ua amine, cawv, thiab cawv.Los ntawm kev siv cov txheej txheem txheej txheem thiab cov qauv kev ua haujlwm, dilate thiab diol feem ntau yog nyob ntawm cov txheej txheem txheej txheem thiab cov qauv kev ua haujlwm.Ib txwm dilate-type chain dilatation agents xws li ethylene glycol, 1,4-butanol, thiab ib-shrinkable dihydramol, thiab lwm yam, muaj kev ua tau zoo rau cov khoom siv polyurethane, thiab yog cov saw hlau txuas ntxiv.Tus neeg sawv cev nthuav dav nrog kev ua tau zoo ntawm cov ntaub ntawv polyurethane feem ntau yog ob pawg: aromatic dihanramine thiab aromatic diol.Nws yog hu ua ib tug high-performance chain expansion agent.Nws yog tus cwj pwm los ntawm lub nplhaib benzene.Hwj chim, abrasion kuj, nruab nrab kuj thiab lwm yam khoom.
Cov tshuaj tsw qab diharamine nthuav dav tsis yog tsuas yog ib qho tseem ceeb ntxiv rau cov khoom siv hluavtaws polyurethane elastic series.Qhov dav tshaj plaws, phem tshaj, thiab loj tshaj plaws-kev ua tau zoo polyurethane saw expansion tus neeg sawv cev.
Ib txwm nchuav polyurethane elastic lub cev feem ntau kho nrog ob-kauj ruam txheej txheem, uas yog, hluavtaws ua ntej, thiab tom qab ntawd fixture nrog cov saw expansion cov neeg ua haujlwm rau solidification.Nyob ntawm seb hom isocyanate, prefabricated tuaj yeem muab faib ua TDI thiab MDI hom.Piv nrog rau ob, TDI cov tshuaj tiv thaiv ntxov ntxov yog qhov tsawg, thiab nws yog feem ntau txuam nrog cov amine chain expansion agents muaj zog heev;MDI prefabricated cov tshuaj tiv thaiv kev ua haujlwm siab, thiab hydroxy-raws li saw expansion tus neeg sawv cev nrog qis dua active hydroxyl-raws li foob.Raws li cov kev cai ntawm kev siv scenarios thiab kev ua tau zoo ntawm cov khoom, nws yog ib qho tseem ceeb tshwj xeeb uas yuav tsum tau xaiv cov saw hlau nthuav dav uas tsim nyog tom qab xaiv tom qab hom isocyanate.
二 、High -performance polyurethane saw expansion khoom hom thiab daim ntawv thov yam ntxwv
2.1 Lub ntsiab arammer dihan amine chain expansion agent
Vim nws qhov kev ua tau zoo thiab kev ua haujlwm zoo, tus neeg sawv cev uas muaj ntxhiab dihamine dilation yog feem ntau siv thiab siv ntau tshaj plaws hauv cov khoom siv polyurethane elastic.
Feem ntau siv cov tshuaj tsw qab dianramine nthuav dav feem ntau suav nrog 3, 3'-dichlori-4, 4'-diodes (MOCA: hom I, hom Ⅱ, kub tsis kam, thiab lwm yam), 1,3-propylene glycol Ob chav (4-amino benzoate ) (740m), 4,4′-sub-base-ob (3-chlorine-2,6-dicene aniline) (M-CDEA), polyphamorethyl ether Diol ob-pair aminbenzoate (P-1000, P-650, P -250, thiab lwm yam), 3,5-ob ethylene torneramine (DETDA, tseem hu ua E-100), 3,5-diracle Sulfenylene (DMTDA, los yog E-300) thiab lwm yam khoom.
Txheej txheem cej luam ntawm daim ntawv thov yam ntxwv thiab kev loj hlob ntawm cov khoom tseem ceeb yog raws li nram no:
MOCA saw expansion tus neeg sawv cev yog thawj tus kws tshaj lij kev ua haujlwm siab tshaj plaws ntawm cov saw txuas ntxiv tau nqis peev hauv kev tsim khoom lag luam hauv kuv lub tebchaws.Nws yog ib lub xeev khov ntawm chav tsev kub.Nws muaj cov yam ntxwv ntawm cov khoom siv polyurethane uas tuaj yeem siv tau raws li kev nyab xeeb thiab kev yooj yim, uas tuaj yeem ua tau raws li cov yam ntxwv ntawm ntau yam tshwj xeeb thiab cov duab.Lub elasticity ntawm polyurethanes yog siab-siv, siab-rebound, siab-hnav-tiv taus, aggressive resistance, corrosion kuj thiab lwm yam khoom.Nws tuaj yeem ua cov khoom loj loj.Nws yog ib qho kev ua tau zoo ntawm cov tshuaj tsw qab dilate expansion agents.Txij li thaum kev txhim kho ntawm DuPont hauv xyoo 1950, MOCA tau tuav txoj haujlwm tseem ceeb hauv thaj chaw ntawm polyurethane elasticity.Tam sim no nws yog qhov loj tshaj plaws polyurethane saw expansion tus neeg sawv cev.Nws yog qhov tseem ceeb tshaj plaws nyob rau hauv daim teb ntawm pouring polyurethane elasticity.Tam sim no, paub zoo MOCA cov tuam txhab hauv Suav teb yog: Suzhou Xiangyuan New Materials Co., Ltd. (subsidiary Jiangsu Xiangyuan Chemical Company), Huaibei Xingguang New Material Technology Co., Ltd., Shandong Chongshun New Material Technology Co., Ltd. . Hua Chemical Technology Co., Ltd. (yav tas los Binhai Mingsheng Chemical Co., Ltd.), Chizhou Tianci High -tech Materials Co., Ltd., ntxiv rau, muaj Taiwan Shuangbang Industrial Co., Ltd., Taiwan Sanhuang Co. ., Ltd., thiab Katshan Kohshan Perfect Industry Co., Ltd.
Nyob rau hauv xyoo tas los no, nyob rau hauv kev coj noj coj ua ntawm cov tuam txhab Suav, MOCA cov cuab yeej tsim khoom tau nce zuj zus.Piv txwv li, Xiangyuan Cov Khoom Siv Tshiab kov yeej qhov teeb meem ntawm cov neeg ua haujlwm kev noj qab haus huv, kev ua qias tuaj loj, thiab tsis muaj kev ruaj ntseg tsis txaus ntawm kev sib cuam tshuam ntawm hydrogenation ntawm hydrogenation ntawm hydrogenation ntawm hydrogenation.Txoj kev nruam catalyzes cov hydrogen hydrogenation ntawm high-purity acoustics thiab MOCA ntau lawm txheej txheem, realizing automation, tag nrho enclosed, ntsuab ntau lawm, realizing cov kuab tshuaj, plua plav-dawb, zog-txuag noj txo thiab xoom emissions.Nruam MOCA cov cuab yeej tsim khoom tau dhau los ua cov khoom lag luam nrov hauv ntiaj teb ntawm polyurethane chain expansion agent.
Tsis tas li ntawd, Xiangyuan Cov Khoom Siv Tshiab kuj tau tsim Xylink740M thiab Xylink P series cov neeg sawv cev nthuav dav, paub txog kev lag luam ntawm cov khoom lag luam no, txhawb nqa cov khoom lag luam polyurethane los txhim kho qhov zoo, txo cov nqi, thiab nthuav dav daim ntawv thov.
2.2 Lub ntsiab aromatic diol dilateral expansion tus neeg sawv cev
Feem ntau siv cov tshuaj tsw qab diol dilation muaj xws li phenyl-phenolic hydroxyxyl-based ether (HQEE), interciphenylbenols, hydroxyl ether (HER), thiab hydroxyethyl-based phenolic pyrodhenol sib tov (HQEE-L), Hydroxyethylhhexybenol sib tov (HER-L), thiab lwm yam. Feem ntau yog siv rau polyurethane cov ntaub ntawv rau MDI txheej txheem txheej txheem, uas yog ib tug tsis muaj tshuaj lom thiab muaj kuab paug-hom saw expansion tus neeg sawv cev.Txheej txheem cej luam ntawm daim ntawv thov yam ntxwv thiab kev loj hlob ntawm cov khoom tseem ceeb yog raws li nram no:
HQEE saw expansion tus neeg sawv cev yog cov qauv molecular symmetrical aromatic diol expansion tus neeg sawv cev.Nws yog ib qho khoom me me, tsis muaj tshuaj lom, tsis muaj kuab lom, thiab khaus khaus.Nws muaj kev sib raug zoo nrog MDI thiab tuaj yeem txuas ntxiv lub neej ntawm cov khoom.Xiangyuan Cov Khoom Tshiab tau tsim HQEE, HER, Xylink HQEE-L, Xylinkher-L series saw expansion agents.Qhov zoo yog siab dua li cov khoom zoo sib xws hauv tsev thiab txawv teb chaws, thiab cov khoom muag muag hauv tsev thiab txawv teb chaws.
2.3 Lwm cov tshuaj tsw qab nthuav dav cov neeg ua haujlwm nrog kev ua haujlwm tshwj xeeb
Nrog rau qhov nce ntawm polyurethane tshwm sim, cov tshiab polyurethane nthuav dav cov neeg ua haujlwm thiab cov ntawv thov siv thev naus laus zis tau txuas ntxiv mus ua kom tau raws li qhov xav tau ntawm kev lag luam polyurethane.Cov tuam txhab tsim khoom tau tsim ntau yam kev ua haujlwm tshwj xeeb aromatic chain expansion agents.
Tianmen Winterine (DMD230) yog cov saw hlau nthuav dav uas muaj ob lub beam amin amino-free, uas yog siv rau kev npaj cov kuab tshuaj tsis muaj kuab lom lossis cov ntsiab lus siab-solid coatings.Piv nrog cov tshuaj tsuag zoo tib yam polyettes, cov khoom lag luam muaj cov lus teb nruab nrab, kev ua haujlwm zoo, kev tsim kho zoo, thiab cov khoom lag luam zoo heev.Nws muaj qhov zoo gloss thiab pom tseeb cov teebmeem nrog polycoges hauv kev npaj ntawm fatty chloride polycisotripocyanate, zoo saj zawg zog thiab mechanical zog, daj-resistant daj hloov, zoo corrosion kuj, zoo huab cua tsis kam, thiab kev tiv thaiv ntev dua.Ntxiv nrog rau cov txuas hniav, tunnels, thiab ntau hom hauv pem teb thiab cov paib txoj kev, nws kuj tseem siv tau rau hauv cov ntawv siv high-end xws li cov txheej tiv thaiv thiab cov nyoob hoom qav taub sib xyaw tawv coatings ntawm cua fais fab hniav.Kev tsim khoom lag luam thiab kev txhawb nqa ntawm cov khoom no yuav pab txhim kho cov txheej txheem zoo.
Lub dispersal (311) ntawm cov tshuaj tsw qab diharamine thiab sodium chloride compounds (311) yog ib hom compatrion ntawm aromatic diharamine thiab inorganic ntsev.Nws tuaj yeem sib phim nrog ntau hom polyurethane ua ntej-polystants ntawm chav tsev kub.Nws yog tshwj xeeb tshaj yog haum rau cov duab complex los yog loj.Cov khoom siv hauv cheeb tsam, microwave vulcanization, thiab lwm lub sijhawm uas xav tau lub sijhawm ua haujlwm ntev dua, tuaj yeem siv los ua tus neeg sawv cev kho rau epoxy resin.Cov khoom zoo sib xws suav nrog Caytur 31DA hauv Tebchaws Meskas, Xylink 311, Xiangyuan Cov Khoom Tshiab.
Lwm cov submarine curing agents xws li oxidazole, ketone amine, thiab lwm yam tuaj yeem txo tau cov txheej txheem los yog lwm yam khoom los tsim cov npuas hauv nruab nrab ntawm kev kho, thiab nws kuj muaj chaw rau kev txhim kho.
三 、 Txoj kev loj hlob ntawm polyurethane chain expansion agents
Kuv lub teb chaws lub polyurethane expansion kev lag luam muaj ib tug kuj tsis muaj zog txoj kev loj hlob lub hauv paus.Nyob rau hauv thaum ntxov hnub, lub domestic polyurethane saw expansion lag luam yeej ib txwm tau monopolized los ntawm multinational lag luam.Txij li thaum nkag mus rau lub xyoo pua no, ib pab pawg ntawm cov tuam txhab polyurethane nthuav dav hauv zos sawv cev los ntawm Xiangyuan Cov Khoom Siv Tshiab tau ua tiav cov kev lag luam txawv teb chaws tom qab xyoo ntawm R & D thiab kev siv thev naus laus zis.Qee qhov ntawm kuv lub teb chaws cov khoom lag luam polyurethane nthuav dav tau mus txog qib ntawm cov khoom lag luam thoob ntiaj teb zoo sib xws.
Raws li tus neeg sawv cev amine polyurethane nthuav dav tshaj plaws, MOCA cov txheej txheem ntau lawm yog paub tab, ruaj khov, nruab nrab, thiab tsim nyog hauv cov lus teb.Nyob rau hauv lub tshav pob ntawm lub cev elastic nyob rau hauv downstream daim ntaub ntawv, tshwj xeeb tshaj yog cov TDI system, ib tug loj tus naj npawb ntawm polyurethane khoom tau sau ib tug loj tus naj npawb ntawm mature qauv ntawm polyurethane cov khoom mature mis Essence MOCA kev ruaj ntseg thiab functionality tau raug sim tom qab ntau xyoo ntawm kev ua lag luam thiab cov neeg siv khoom. xyaum.Tus nqi kuj yog siab heev.Tom qab siv ntau xyoo, ib qho txheej txheem txheej txheem tau tsim.Nws muaj lub luag haujlwm tsis tuaj yeem hloov pauv, thiab daim ntawv thov teb txuas ntxiv mus tas li.
Lub European Chemical Administration, uas yog ib lub koom haum saib xyuas ntawm EU Reach certification, tau tshaj tawm tsab ntawv ceeb toom rau lub Kaum Ib Hlis 30, 2017. Tom qab muab piv cov kev pheej hmoo ntawm kev nyab xeeb, kev ua tau zoo, thiab tus nqi ntawm cov nqi, nws tau npaj siab tias hauv thaj tsam ntawm polyurethane elastic lub cev, MOCA cov khoom zoo. Kev ua tau zoo, tus nqi-effectiveness thiab lwm yam zoo yog qhov zoo, thiab tam sim no tsis muaj lwm txoj hauv kev.
Suav polyurethane expansion kev lag luam pib lig.Nyob rau hauv thaum ntxov hnub, vim tsis muaj ntau lawm technology, tsis muaj zog txhawb raw cov ntaub ntawv, thiab tsis txaus R & D txuj ci, lub domestic polyurethane saw expansion lag luam tau monopolized rau multinational qhauj.Txog thaum xyoo 1990, ntau lub tuam txhab tsim hluav taws xob polyurethane nthuav dav tau ua tiav cov khoom lag luam txawv teb chaws monopolies tom qab xyoo R & D thiab kev koom ua ke, thiab kev ua haujlwm ntawm qee cov khoom lag luam polyurethane nthuav dav tus neeg sawv cev mus txog qib ntawm cov khoom lag luam thoob ntiaj teb zoo sib xws.Tshwj xeeb, Xiangyuan cov ntaub ntawv tshiab tau ua tus thawj coj hauv kev tsim 10,000-tuj-theem txuas ntxiv MOCA cov cuab yeej tsim khoom.Cov khoom lag luam zoo thiab cov txheej txheem tau mus txog lub ntiaj teb qib siab thiab qib siab hauv tsev.Tam sim no, cov tuam txhab MOCA hauv tsev tau tuaj yeem ua tau raws li cov cai ntawm ionamine dawb.Cov granular MOCA thiab high-temperature daj-hloov MOCA hauv MOCA series cov khoom tau txais kev pom zoo los ntawm kev lag luam polyurethane.
Txoj Kev Npaj "Kaum Kaum Ib Hlis Tsib Xyoo rau" Kaum Ob Hlis Tsib Xyoo "ntawm polyurethane kev lag luam tawm tswv yim tias ntxiv rau kev nthuav dav cov khoom lag luam ntawm cov khoom lag luam zoo tshaj plaws MOCA, kev txhawb nqa thiab kev siv cov saw tshiab nthuav dav MCDEA, E-100 , HER, HQEE thiab lwm yam khoom yuav tsum tau nce ntxiv.Raws li MOCA series cov khoom lag luam, nrog rau kev sib txawv ntawm cov khoom siv polyurethane thiab cov khoom lag luam, lwm cov khoom lag luam nthuav dav tshiab kuj tau tshwm sim, tsim cov qauv sib txawv nrog cov khoom MOCA.
Nrog kev txhim kho txuas ntxiv ntawm kev tshawb fawb thiab kev tsim kho thev naus laus zis, cov khoom lag luam tshiab ntawm cov khoom siv hluav taws xob muaj txiaj ntsig zoo tshaj plaws muaj cov txiaj ntsig tshwj xeeb hauv kev teb ceev, kub tsis kam, kev ua haujlwm, kev nyab xeeb thiab kev tiv thaiv ib puag ncig.Daim ntawv thov tau maj mam loj hlob, thiab daim ntawv thov nyiaj txuas ntxiv nthuav dav.Piv txwv li, P-1000, P650, P250, 740M, vim nws ntsuab, ib puag ncig tus phooj ywg, tsis muaj tshuaj lom, maj mam qhib daim ntawv thov kev lag luam hauv ntau qhov chaw.Nyob rau hauv xyoo tas los no, nrog rau kev loj hlob thiab kev loj hlob ntawm ib puag ncig tus phooj ywg MDI system, kev siv scale ntawm high-performance aromatic diol dilateral dilation agents xws li HQEE thiab HER nrog zoo sib xws thiab sib xws nrog MDI system tau maj mam nce, muab polyurethane elasticity. zoo heev lub cev excellence Tshwj xeeb ua yeeb yam xws li kub kuj thiab tsim kua muag zog.Ntxiv nrog rau kev tsim cov khoom ntim khoom, nws tseem tuaj yeem tsim cov khoom siv thermoplastic elastomic siab, uas tuaj yeem txo qis.Nyob rau hauv daim ntawv thov cov cheeb tsam uas yuav tsum tau ua haujlwm siab rau cov ntaub ntawv polyurethane nyob rau hauv lub teb chaws tsim thiab ib co polyurethane cov ntaub ntawv, chain expansion agents xws li 740m, HQEE, HER yog tob daim ntawv thov.Tus tshiab saw expansion tus neeg sawv cev muaj qhov sib txawv qhov zoo hauv cov segmentation tshwj xeeb, thiab cov txheej txheem kev ua haujlwm yog qhov siab.Tam sim no, kev lag luam hauv tsev tseem nyob rau hauv daim ntawv thov kev txhawb nqa theem.
四 、 Cov qauv kev loj hlob ntawm polyurethane saw expansion kev lag luam
Kev lag luam polyurethane hauv North America thiab Western Europe tau tsim ntau xyoo lawm.Kev lag luam muaj zog technical zog nyob rau hauv kev lag luam, thiab kev lag luam kuj paub tab.Nyob rau tib lub sijhawm, cov neeg siv khoom hauv cov cheeb tsam no muaj cov kev xav tau ntau dua rau cov khoom siv polyurethane, thiab qhov kev thov rau cov saw hlau tshiab nthuav dav sai dua MOCA.Tam sim no, cov teb chaws tsim kho xws li Tebchaws Europe thiab Tebchaws Meskas tuav lub ntsiab lus ntawm qhov kev thov rau cov neeg sawv cev tshiab txuas ntxiv.
Kev noj ntau ntawm polyurethane hauv thaj av Asia-Pacific thiab lwm lub tebchaws tshiab tau dhau los ua lub luag haujlwm tseem ceeb rau kev xav tau polyurethane thoob ntiaj teb.Ntawm lawv, thaj av Asia -Pacific twb yog lub ntiaj teb coob tshaj plaws polyurethane cov neeg siv khoom lag luam, suav txog li 48% ntawm cov khoom lag luam thoob ntiaj teb;lwm lub teb chaws tshiab xws li Is Nrias teb, Brazil, Mexico, thiab lwm yam, qhov kev thov rau polyurethane hauv cov tsev, cov khoom siv hauv tsev, cov khoom vaj khoom tsev thiab lwm yam kev lag luam kuj nce ntxiv.Txawm li cas los xij, piv rau cov teb chaws tsim kho hauv Tebchaws Europe thiab Tebchaws Meskas, qee thaj tsam ntawm cov cheeb tsam no tseem nyob rau theem pib ntawm kev lag luam.Lawv yog cov rhiab heev rau tus nqi ntawm cov khoom siv raw hauv kev lag luam polyurethane thiab them nyiaj ntau rau cov nqi thiab cov nqi ua haujlwm.Nyob rau hauv lub neej yav tom ntej, nyob rau hauv lub neej yav tom ntej, cheeb tsam no tseem yuav muaj kev thov siab rau cov nqi siab MOCAs.
Tam sim no, cov tuam txhab loj thoob ntiaj teb loj polyurethane nthuav dav, xws li Kazaka Kagosan Perfect Industry Co., Ltd., United States Air Chemical (Winchuang tau txais hauv 2016), thiab Tebchaws Meskas Coco (tau los ntawm Langsheng hauv 2017), thiab lwm yam. ., monopolized lub ntiaj teb Feem ntau ntawm kev ua lag luam feem ntau ntawm cov neeg sawv cev nthuav dav, qee lub tuam txhab me uas tsis muaj kev txhim kho ntawm kev lag luam -university -kev tshawb fawb system tau raug tshem tawm los ntawm kev cuam tshuam ntawm cov khoom zoo thiab cov nqi, thiab cov concentration ntawm cov saw hlau. expansion kev lag luam tau nce ntxiv.Nyob rau tib lub sijhawm, cov tuam txhab loj kuj tso siab rau cov peev txheej muaj zog thiab kev tshawb fawb thiab kev txhim kho keeb kwm yav dhau los nthuav dav cov khoom siv raw thiab cov khoom lag luam, thiab tsim kom muaj kev lag luam thoob ntiaj teb kev lag luam loj loj hauv paus thiab kev muag khoom thiab R & D cov chaw hauv cheeb tsam nrog cov kev pab zoo heev, kev lag luam, thiab kev ua haujlwm.
5. Cov xwm txheej tam sim no thiab kev loj hlob ntawm polyurethane expansion agents
Raws li ib qho tseem ceeb additive rau polyurethane cov ntaub ntawv, polyurethane expansion agents yog tsuas yog siv nyob rau hauv CASE system (xws li coatings, adhesives, sealing thiab elastic lub cev) nyob rau hauv cov ntaub ntawv polyurethane.Ntawm lawv, polyurethane elastic lub cev yog cov khoom siv hluavtaws polymer ntawm cov roj hmab thiab yas.Nws muaj ob lub siab elasticity ntawm roj hmab thiab siab hardness thiab siab zog ntawm cov yas.5 mus rau 10 zaug), nws muaj lub koob npe nrov ntawm "tus huab tais ntawm hnav-resistant roj hmab" thiab muaj lub zog zoo txhua yam, roj tsis kam, tshuaj tsis kam, flexion tsis kam thiab zoo heev kub tsis kam thiab rwb thaiv tsev kev ua tau zoo.Ntxiv rau cov khoom siv sib xyaw ua ke thiab cov thermoplastic polyurethane elastic lub cev, polyurethane elastic lub cev cov khoom kuj suav nrog cov nplaum, txheej, sealing, paving cov ntaub ntawv, ib leeg, hluavtaws tawv, fiber ntau, thiab lwm yam uas ua elastic polyurethane cov ntaub ntawv.Nrog rau kev txhim kho tas mus li ntawm cov txheej txheem, polyurethane elasticity tau hloov pauv hauv cov roj hmab, yas, thiab hlau hauv ntau yam xws li tsheb, mines, luam ntawv, khoom siv, tshuab ua haujlwm, kev ua kis las, thiab kev thauj mus los.
Raws li kev txheeb cais los ntawm cov koom haum cuam tshuam, kev noj ntawm Suav polyurethane CASE (lub cev elasticity, coatings, hluavtaws tawv, sealing thiab adhesives) xyoo 2021 yog 7.77 lab tons, thiab qhov nruab nrab txhua xyoo kev loj hlob ntawm 11.5% hauv 2016-2021 yog 11.5%.
Lub elasticity ntawm Suav polyurethane nyob rau hauv 2016 yog 925,000 tons, thiab cov zis nyob rau hauv 2021 mus txog 1.5 lab tons, nrog ib tug compound txhua xyoo kev loj hlob ntawm 10.2%;qhov nruab nrab txhua xyoo kev loj hlob ntawm kev noj yog 12.5%.Nws yog kwv yees tias los ntawm 2025, kuv lub teb chaws lub polyurethane elastic lub cev tso zis yuav ncav cuag 2.059 lab tons, uas tseem yuav nyob rau hauv ib tug ceev txoj kev loj hlob.
Thoob plaws ntiaj teb, cov khoom tsim tawm thoob ntiaj teb ntawm polyurethane elastomers tau mus txog 2.52 lab tons hauv 2016 thiab 3.539 lab tons hauv 2021, nrog rau kev loj hlob txhua xyoo ntawm 7.0%.Los ntawm 2025, lub ntiaj teb no zus tau tej cov polyurethane elastomer yuav tsum mus txog 4.495 lab tons, uas qhia ib tug sai thiab khov kho txoj kev loj hlob.
Cov thermoplastic polyurethane elastomer (TPU) muaj kev hnav zoo heev.Nws lub zog tensile yog siab, elongated, roj-resistant, tsis kub tsis kam, huab cua tsis kam, thiab ozone kuj tseem ceeb, thiab ntau yam hardness yog dav.Nyob rau hauv xyoo tas los no, kev lag luam daim ntawv thov ntawm TPU tau nthuav dav los ntawm kev lag luam khau mus rau high-end kev lag luam teb xws li tshuaj, aviation, thiab kev tiv thaiv ib puag ncig.Raws li kev txheeb cais, los ntawm 2014 txog 2021, qhov nruab nrab txhua xyoo kev loj hlob ntawm TPU ntau lawm hauv Suav teb yog siab li 14.5%.Xyoo 2021, kuv lub teb chaws TPU cov zis yog li 645,000 tons.kuv lub teb chaws tau dhau los ua lub ntiaj teb loj tshaj plaws TPU ntau lawm lub teb chaws.Cov zis thiab net export ntim tau nce tsis tu ncua nyob rau hauv xyoo tas los no.
Los ntawm qhov kev xav ntawm kev xav tau, kev lag luam thoob ntiaj teb TPU yog tam sim no muaj nyob hauv Europe, Tebchaws Meskas, thiab thaj chaw Asia-Pacific.Ntawm lawv, thaj av Esxias coj los ntawm Tuam Tshoj yog lub lag luam ceev tshaj plaws hauv cheeb tsam hauv ntiaj teb TPU noj.Raws li kev txheeb cais ntawm Elastic Special Committee ntawm Tuam Tshoj Polyurethane Kev Lag Luam Association, tag nrho cov khoom siv polyurethane hauv kuv lub teb chaws xyoo 2018 tau mus txog 11.3 lab tons, ntawm cov khoom siv polyurethane elastomers (TPU + CPU) yog kwv yees li 1.1 lab tons. .
TPU tseem yog ib qho ntawm cov khoom lag luam nrog kev loj hlob sai hauv polyurethane yav tom ntej.kuv lub tebchaws tau dhau los ua TPU cov neeg siv khoom loj tshaj plaws hauv ntiaj teb.Raws li kev txheeb cais, qhov nruab nrab txhua xyoo kev loj hlob ntawm Tuam Tshoj tus TPU noj nyob rau hauv 2017-2021 yog siab li 12.9%, ntawm uas tag nrho cov kev siv nyob rau hauv 2021 yog 602,000 tons, nce 11.6% xyoo-rau-xyoo.Raws li lub ntiaj teb TPU tso zis ntawm 1.09 lab tons nyob rau hauv 2021, lub domestic TPU noj tau tshaj ib nrab ntawm lub ntiaj teb no.Nyob rau hauv lub neej yav tom ntej, kev xav tau ntawm cov khoom siv khau, zaj duab xis, cov kav dej, thiab cov xov hlau yuav muaj zog dua.Hauv thaj chaw ntawm cov khoom siv kho mob, cov xaim hluav taws xob, thiab zaj duab xis, nws yuav ntxiv cov khoom siv PVC tsoos.Nws yog qhov zoo tshaj plaws los hloov EVA hauv cov khoom khau khau.Nws cia siab tias TPU yuav nyob twj ywm 10 yav tom ntej 10 10% Los yog ntau txoj kev loj hlob.Nws cia siab tias nws cov khoom siv yuav ncav cuag li 900,000 tons los ntawm 2026.
Nrog rau kev nthuav dav zuj zus ntawm cov nplai ntau lawm, tus nqi ntawm cov khoom lag luam polyurethane elastic yog qis dua, ntau yam muaj ntau haiv neeg, kev lag luam xav tau zoo dua, thiab kev lag luam kev lag luam yog sai.Thaum lub sijhawm "Tsev Plaub Tsib Xyoo" lub sijhawm, Cov Ntaub Ntawv Kev Lag Luam yuav tsum muaj zog txhawb kev tsim cov khoom lag luam raws li cov dej-oriented, solventless, thiab cov ntsiab lus siab;nce CASE txoj kev txhim kho thiab kev siv tshuab hluav taws xob tsim hluav taws xob ntawm cov khoom siv raw khoom, tsom mus rau polytianmen dej -to -pyrodramine polyphonus Daim Ntawv Thov;tsom mus rau kev ua cov dej-raws li kev tshawb xav thiab engineering technology tshawb fawb;txhim kho cov khoom ua tau zoo, tsim cov khoom tshiab, nthuav dav daim ntawv thov kev lag luam, thiab txhawb kev tsim kho vaj tse tshiab hauv kev tsheb ciav hlau, txoj kev loj, choj qhov, kev xa hluav taws xob, thiab lwm yam thiab daim ntawv thov kev kho mob;txhawb cov kev siv ntawm polyurethane nplaum rau xoom formaldehyde ntxiv rau daim hlau;tsim cov khoom sib txawv, ua haujlwm, thiab muaj txiaj ntsig zoo - ntxiv ammonia cov khoom;ntxiv dag zog rau kev tshawb fawb thiab kev siv thev naus laus zis ntawm polyurethane waterproof khoom qauv, kev ua tau zoo, lub sijhawm ua haujlwm ntev;Txhawb kev siv cov khoom siv polyurethane hauv cov tsev prefabricated.
Lub ntsiab txoj kev loj hlob ntawm elastomer teb yog:
Polyurethane elastomers rau tsheb.Kev lag luam tsheb niaj hnub no tab tom txhim kho mus rau kev ua haujlwm siab, zoo, lub teeb yuag, kev nplij siab thiab kev nyab xeeb.Cov khoom siv roj hmab thiab cov khoom siv yas yog maj mam hloov cov ntaub ntawv hlau, uas qhib qhov kev cia siab dav heev rau daim ntawv thov ntawm polyurethane elastomers.
Polyurethane elastomers rau kev tsim kho.Cov tsoos asphalt muaj cov khoom siv tsis muaj dej tsis zoo tau maj mam hloov los ntawm cov khoom siv ruaj khov, cov khoom siv polyurethane waterproof;Daim ntawv thov ntawm polyurethane kev ua si khiav yog ntau thiab ntau dav.Lub expansion pob qij txha ntawm cov choj loj, pw tsaug zog ntawm high-speed railway, tshav dav hlau khiav thiab txoj kev loj caulking kuj maj mam ua los ntawm PVC elastomer solidified nyob rau hauv chav tsev kub.
Polyurethane elastomer rau kuv siv.Muaj kev thov zoo rau cov khoom siv tsis yog xim hlau nrog kev hnav-tiv taus, siab zog thiab elasticity hauv cov mines, hlau thiab cov mines tsis yog hlau.
Polyurethane elastomer rau khau.Polychloride ester elasticity muaj qhov zoo ntawm kev ua tau zoo buffering, lub teeb yuag, hnav tsis kam, skid tsis kam, thiab lwm yam, tau dhau los ua cov khoom txhawb nqa tseem ceeb hauv kev lag luam khau.
Polyurethane elastomer siv rau kev kho mob.Zoo biocompatibility, ntshav compatibility thiab tsis muaj additives yog vim li cas tseem ceeb rau daim ntawv thov ntawm TPU thiab CPU cov ntaub ntawv nyob rau hauv kev kho mob.Nws daim ntawv thov hauv kev kho mob thiab kev noj qab haus huv yog dav heev.
Tshiab polyurethane composite ntawv.Composite cov cuab yeej siv tshuab yuav tsum coj lub sijhawm ua lag luam tawg tshiab rau polyurethane elastomers.
六 、 Polyurethane saw expansion kev lag luam "14th Tsib Xyoo Plan" txoj kev loj hlob qauv
Los ntawm kev xav thoob ntiaj teb, kev loj hlob sai ntawm kev tsim kho, kev lag luam tsheb, khoom siv hluav taws xob, kev lag luam tshiab thiab kev tiv thaiv ib puag ncig tau ua rau muaj kev xav tau rau cov khoom siv polyurethane.Lub ntiaj teb no polyurethane giants txuas ntxiv innovate technology thiab daim ntawv thov, thiab yuav txuas ntxiv mus txhawb txoj kev loj hlob thiab zus tau tej cov khoom tshiab polyurethane.Nrog rau kev nthuav dav ntawm polyurethane cov khoom lag luam hauv thaj teb thiab thaj tsam ntawm kev lag luam downstream davhlau ya nyob twg, ntau qhov kev thov rau cov khoom siv polyurethane yuav txhawb nqa kev nruam ntej thiab kev loj hlob ntawm polyurethane saw chain agents.
Hauv 10 xyoo tom ntej, kev siv cov khoom siv polyurethane hauv qee qhov chaw niche kuj tseem yuav txhim kho sai.Cov kws tshaj lij kev lag luam txheeb xyuas tias qhov kev thov thoob ntiaj teb rau polyurethane yuav nce ntawm tus nqi ntawm 4.5% ib xyoos twg.Ntawm lawv, qhov nruab nrab txhua xyoo kev loj hlob ntawm polyurethane xav tau yog kwv yees li 5.7% hauv cov tub yees, khau, textiles, leisure thiab lwm yam teb.Qhov kev thov hauv cov khoom lag luam tau nce me ntsis, thiab nws xav tias yuav muaj li ntawm 3.3% toj xyoo.Cov teb chaws tshiab nyob hauv thaj av Asia-Pacific tau txais kev txhawb nqa los ntawm cov thev naus laus zis tshiab los nthuav cov kev siv hauv qab, thiab qhov kev thov rau polyurethanes yuav ncav cuag tus lej loj hlob ob zaug txhua xyoo.
Raws li ib qho tseem ceeb raw khoom rau kev lag luam polyurethane, kuv lub teb chaws polyurethane additive kev lag luam yuav tsum unswervingly siv lub tswv yim tshiab txoj kev loj hlob.Hauv qab no, lub ntsiab lus ntawm kev txhawb nqa kev loj hlob zoo ntawm polyurethane kev lag luam, nrog rau kev taw qhia los txhawb kev lag luam polyurethane kom nrawm rau kev tsim kho tshiab ntawm "dual-cycle", tsom rau ntsuab, qis-carbon, thiab digital. kev hloov pauv., Ua kom nrawm rau kev tsim kho cov txheej txheem kev lag luam niaj hnub no, txhawb nqa "kev ua tsis tiav" ntawm cov khoom lag luam siab, "lob high-end" cov thev naus laus zis tseem ceeb, "qhib txoj kev tshiab" hauv cov khoom siv tsoos, thiab txhawb kuv lub teb chaws kom txav los ntawm polyurethane mus rau ib qho lub teb chaws muaj zog.
Tam sim no, polyurethane saw extender tau dhau los ua ib qho ntawm cov khoom siv polyurethane tsim nyog rau cov phiaj xwm loj hauv teb chaws.Lub polyurethane saw extender kev lag luam yog nce innovation peev, tsim nyob rau hauv cov kev taw qhia ntawm ib puag ncig tiv thaiv, high efficiency thiab zoo.Centering ntawm cov kev xav tau ntawm aerospace, hluav taws xob cov ntaub ntawv, lub zog tshiab, tsheb, high-speed rail, rail transit, highways, loj Choj, kev kho mob thiab kev tiv thaiv lub teb chaws industries, lub transformation thiab daim ntawv thov ntawm tshiab polyurethane saw extender technological achievements yog accelerated los txhim kho lub tag nrho txoj kev loj hlob theem ntawm kev lag luam polyurethane.
Txoj kev loj hlob ntawm polyurethane saw extender kev lag luam yog los tsim cov khoom zoo, ntsuab saw extender nrog ntau kev tiv thaiv ib puag ncig.Nws tsis yog tsuas yog huv thiab tsis muaj kuab paug hauv cov txheej txheem tsim khoom, tab sis kuj muaj kev nyab xeeb thiab ntsuab hauv cov txheej txheem siv los txhawb cov ntsuab ntawm polyurethane cov khoom tsim cov txheej txheem.Thib ob, txhawm rau nthuav dav siv cov khoom lag luam txuas ntxiv uas twb muaj lawm, kom cov saw hlau txuas ntxiv uas twb muaj lawm tag nrho ntawm daim ntawv thov tshiab tseem ceeb.Cov txheej txheem thev naus laus zis ntawm qee qhov kev lag luam hauv tsev polyurethane chain extender lag luam yog sib npaug ntawm cov tuam txhab sib txawv, tab sis kev tshawb fawb ntxiv yuav tsum tau ua kom cov neeg siv ntau dua paub txog cov khoom zoo tshaj plaws, tshwj xeeb tshaj yog los txhawb cov khoom lag luam uas muaj ntxhiab diamine nrog kev ua haujlwm yooj yim thiab kev ua haujlwm zoo, thiab los ua kom muaj kev sib koom ua ke ntawm cov saw txuas ntxiv kom txuag tau lub zog thiab txo kev siv thiab nqi.Qhov thib peb yog los tsim cov khoom tshiab ntxiv raws li kev xav tau ntawm kev lag luam, muab cov khoom tsim nyog thiab zoo dua rau kev lag luam polyurethane, kom tau raws li cov kev xav tau ntawm kev lag luam hauv qab thiab nthuav dav ntawm daim ntawv thov.
Rau cov ntaub ntawv polyurethane elastic, saw extender yog ib qho tseem ceeb thiab tseem ceeb additive nrog cov nyiaj ntau thiab siab ntxiv tus nqi, uas yog qhov tseem ceeb rau kev txhim kho cov khoom ua tau zoo.Tsis tas li ntawd, nyob rau hauv lwm yam ntaub ntawv polyurethane thiab txawm ua npuas ncauj yas, polyurethane saw extender muaj ib tug pom tseeb nyhuv ntawm kev txhim kho cov khoom ua tau zoo.Hauv kev lag luam polyurethane, polyurethane saw extender chaw lag luam yog loj.Txhawm rau txhawb thiab ua kom muaj kev txhim kho zoo ntawm polyurethane kev lag luam, nws yog ib qho tsim nyog yuav tsum tau ua kom muaj zog ntawm daim ntawv thov kev tshawb fawb thiab kev txhawb nqa ntawm polyurethane saw extender, thiab txhim kho zoo dua thiab ntau ntau yam ntawm polyurethane saw extender raws li lub hauv paus ntawm kev saib xyuas kev noj qab haus huv, lub zog. kev txuag, kev nyab xeeb thiab kev tiv thaiv ib puag ncig thiab kev ua haujlwm ntawm kev siv, yog li ua kom muaj txiaj ntsig zoo rau tib neeg lub neej.
Post lub sij hawm: Feb-08-2023