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Polyisobutene - Cov Khoom Muaj Peev Xwm Ntau Hauv Kev Lag Luam Niaj Hnub No
Polyisobutene, lossis PIB luv luv, yog ib yam khoom siv tau ntau yam hauv ntau yam kev siv hauv kev lag luam. Nws feem ntau siv rau hauv cov roj nplua nyeem ntxiv, kev ua cov khoom siv polymer, tshuaj thiab tshuaj pleev ib ce, cov khoom noj ntxiv, thiab ntau ntxiv. PIB yog ib hom isobutene homopolymer tsis muaj xim, tsis muaj ntxhiab, tsis muaj tshuaj lom uas muaj cov khoom siv tshuaj zoo heev. Hauv tsab xov xwm no, peb yuav tshawb nrhiav cov yam ntxwv, cov txiaj ntsig, thiab kev siv ntawm Polyisobutene.
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Chaw Tsim Khoom Zoo Nqe PERCHLOROETHYLENE CAS: 127-18-4
PERCHLOROETHYLENE: kuj hu ua tag nrho cov chloride. Hais txog cov qauv molecular, cov tshuaj uas tsim los ntawm tag nrho cov hydrogen atoms hauv ethylene tau hloov los ntawm chlorine. Xyoo 1821, thawj zaug nws tau ua los ntawm FaraDay thermal decomposition. Tsis muaj xim pob tshab kua. Muaj ntxhiab zoo li ether. Tsis kub hnyiab.
CAS: 127-18-4
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Chaw Tsim Khoom Zoo Tus Nqi Pentamethyldipropylenetriamine (PMDPTA) CAS: 3855-32-1
PMDPTA yog ib qho tshuaj catalyst uas tsis muaj ntxhiab tsw qab, uas siv tau rau hauv polyether-hom polyurethane ua npuas mos, polyurethane npuas tawv thiab cov nplaum txheej. PMDPTA tshwj xeeb tshaj yog siv rau hauv pwm txias HR ua npuas. PMDPTA hu ua tsib-base di-propyleneramine, uas muaj ntau yam kev siv rau hauv ntau yam ua npuas mos thiab tawv. PMDPTA tuaj yeem muab kev teb pib sib npaug thiab kev teb gel, thiab txuas ntxiv lub sijhawm ua npuas thiab lub sijhawm teb gel. Cov tshuaj catalyst no tsis yog siv ib leeg xwb, tab sis kuj sib koom nrog lwm cov catalysts thiab cov neeg sawv cev pabcuam. PMDPTA tuaj yeem yaj rau hauv polyether polyol.
Nws yooj yim yaj rau hauv feem ntau cov kuab tshuaj. Ua npuas ncauj thiab gel sib npaug. Cov txiaj ntsig yog siv rau hauv cov npuas mos mos, uas tuaj yeem zam qhov tawg thiab qhov pinhole ntawm cov npuas dej, uas muaj kev ua tau zoo heev. Txhim kho qhov ua tau zoo, kev kam rau siab thiab kev kho qhov chaw ntawm cov npuas dej tawv. Txhim kho qhov siab dua ntawm cov yas ua npuas ncauj mos.
Cov khoom muaj nqis: lub ntsiab lus kub: 102 ° C / 1mmHg, qhov ceev: 0,83 g / cm3, qhov ntsuas refractive: 1.4450 txog 1.4480, qhov taw tes flash: 92 ° C, acidity coefficient (PKA): 9.88 ± 0.28 (Predict). Nws yog siv rau alkaline melting phenols, thiab kuj siv rau inter-phenylphenols, thiab lwm yam, thiab feem ntau yog siv ua catalysts hauv esterization thiab dehydration reactions; dye intermediate
CAS: 3855-32-1
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Chaw Tsim Khoom Zoo Tus Nqi EPOXY RESIN CURING AGENT PACM CAS # 1761-71-3
EPOXY RESIN CURING AGENT PACM (PACM luv luv) muaj nyob rau hauv peb stereoisomers nrog cov khoom thermodynamic sib txawv: trans-trans, cis-trans, thiab cis-cis. EPOXY RESIN CURING AGENT PACM yog ib qho tseem ceeb alicyclic diamine, thiab EPOXY RESIN CURING AGENT PACM feem ntau yog siv los npaj alicyclic dicyclohexylmethane diisocyanate (H12MDI) lossis siv ncaj qha ua epoxy resin curing agent.
PACM yog ib yam khoom tsis muaj xim lossis daj me ntsis uas nplaum los yog dawb, nrog rau qhov ceev ntawm 0.9608. Lub ntsiab lus yaj yog 35 ~ 45 ℃. Lub ntsiab lus kub yog 159 ~ 164 ℃ (0.67kpa). Lub ntsiab lus refractive yog 1.5030. Yooj yim yaj hauv toluene, roj av ether, ethanol, tetrahydrofuu, thiab lwm yam.
CAS: 1761-71-3
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Chaw Tsim Khoom Zoo Nqe OP200 Epoxy Silane Oligomer CAS: 102782-97-8
Cov tsos ntawm OP200 Epoxy Silane Oligomer yog xim tsis muaj xim rau daj daj pob tshab, uas yog epoxy hloov kho polysiloxane. Piv nrog rau cov epoxyxane ib txwm muaj, nws tswj tau qhov ua haujlwm zoo ntawm epoxy thiab kev sib txuas ua ke. Kev ruaj khov ntawm kev khaws cia yog siv dav hauv cov teb ntawm cov yas hloov kho, cov tshuaj pleev xim thiab lwm yam teb.
CAS:102782-97-8
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Chaw Tsim Khoom Zoo Nqe N-ETHYL PYRROLIDONE (NEP) CAS: 2687-91-4
NEP yog cov kua tsis muaj xim thiab pob tshab nrog lub polarity siab, kev ruaj khov tshuaj lom neeg siab thiab kev ruaj khov thermal siab. NEP yog lub ntsiab lus kub yog 82-83 ° C (-101.3Kpa), qhov ntsuas refractive yog 1.4665 Chemicalbook, thiab qhov ceev yog 0.994. NEP muaj cov yam ntxwv ntawm kev yaj siab, lub siab vapor qis thiab dielectric tsis tu ncua qis. Kev lag luam, NEP tuaj yeem siv ua cov kuab tshuaj xaiv tau zoo, catalyst thiab cationic surfactant.
N-ETHYL PYRROLIDON muaj cov alkali tsis muaj zog; NEP yog cov kuab tshuaj organic polar uas tuaj yeem yaj nrog txhua qhov sib piv nrog dej thiab cov kuab tshuaj organic dav dav. NEP siv yog divestitist ntawm cov roj teeb lithium, cov kua nplaum qhuav, thiab cov neeg sawv cev tiv taus corrosion optical, cov neeg sawv cev unfolding, thiab epoxy resin kua nplaum ntug.
CAS: 2687-91-4
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Chaw Tsim Khoom Zoo Tus Nqi LWM YAM NTAWM CAPTURE 3800 CAS: 72244-98-5
LWM YAM NTAWM CAPTURE 3800 yog ib qho sulfhydryl terminated kua epoxy curing agent nrog cov yam ntxwv ntawm tsis muaj xim, pob tshab thiab tsis muaj ntxhiab. Nyob rau hauv lub xub ntiag ntawm tertiary amine promoters, thiab Epoxy resin tuaj yeem kho sai sai ntawm qhov kub thiab txias qis thiab zaj duab xis tej yam kev mob. Lub sijhawm gel tuaj yeem txo los ntawm kev xaiv cov tertiary amine accelerator tsim nyog txo mus rau 4 feeb. LWM YAM NTAWM CAPTURE 3800 muaj kev nplaum zoo heev thiab tuaj yeem siv ua tus txhawb nqa los txhim kho qhov ceev ntawm resin thiab lwm yam amine curing agents degrees.
CAS: 72244-98-5
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Chaw Tsim Khoom Zoo Nqe N, N-Dimethylcyclohexylamine (DMCHA) CAS: 98-94-2
N,N-Dimethylcyclohexylamine yog ib qho organic compound nrog cov tshuaj mis C8H17N.N,N-Dimethylcyclohexylamine yog ib qho kua tsis muaj xim thiab pob tshab, insoluble hauv dej, soluble hauv feem ntau cov organic solvents xws li ethanol thiab ether. N,N-Dimethylcyclohexylamine feem ntau yog siv ua catalyst thiab roj hmab accelerator. Nruab nrab, kuj tseem siv tau rau kev kho ntaub.
Cov khoom siv tshuaj lom neeg: melting point: -60 ° C, boiling point: 158-159 ° C (LIT.) Qhov ceev: 0.849g / mlat 25 ° C (LIT.) Vapor pressure: 3.6mmhg chemicalbook (20 ° C) refractive index: n20 / d1. 454 (LIT.) Flash point: 108 ° F Cov xwm txheej khaws cia: Khaws cia hauv qab + 30 ° C.
CAS: 98-94-2
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Chaw Tsim Khoom Zoo Tus Nqi Dibutyltin Dilacetate (DBTDA) CAS: 1067-33-0
Dibutyltin diacetate yog ib qho kua daj ntshiab, ua haujlwm ua tus catalyst crosslinking. Yooj yim rau kev ua thiab siv tau txog li 250 ° C. Dibutyltin diacetate tsis yaj hauv dej thiab yaj hauv feem ntau cov kuab tshuaj organic. Siv rau hauv cov tshuaj tiv thaiv silanol condensation rau cov ntawv thov caulk thiab sealant.
Tus lej EineCS: 213-928-8, cov mis molecular: C12H24SN, qhov hnyav molecular: 351.03, qhov taw tes yaj: 7-10 ℃, Cov dej daws: Cov ntsiab lus tsis yaj SN: 32.5 ± 0.5%, Qhov ceev: 1.32 ± 0.005 (20 ℃), Qhov kub npau: 140 ～ 144 ℃ / 10mmhg, tus qauv lub cev: Cov kua daj daj lossis tsis muaj xim thiab pob tshab nrog ntxhiab acetic acid. Nws yog khoom khov lossis semi-khoom hauv qab 10 ° C. Qhov taw tes sib xyaw: 8-10 ℃.
CAS: 1067-33-0
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Chaw Tsim Khoom Zoo Tus Nqi D2000 CAS: 9046-10-0
Amine-Terminated Polyether (D2000) yog ib chav kawm ntawm cov tshuaj polyolefin nrog cov pob txha mos polyether, capped los ntawm thawj lossis theem nrab amine pawg. Vim tias cov saw tseem ceeb ntawm cov molecule yog cov saw mos polyether, thiab cov hydrogen ntawm qhov kawg ntawm polyether amine yog cov nquag dua li cov hydrogen ntawm qhov kawg hydroxyl pawg ntawm polyether, yog li ntawd, polyether amine tuaj yeem yog qhov hloov pauv zoo rau polyether hauv qee cov txheej txheem khoom siv, thiab tuaj yeem txhim kho kev ua haujlwm ntawm cov ntaub ntawv tshiab. D2000 yog siv dav hauv polyurethane reactive txhaj tshuaj molding cov ntaub ntawv, polyurea txau, epoxy resin curing agents thiab roj av scavengers.
Cov Khoom Siv Tshuaj: Poly(propylene glycol) bis(2-aminopropyl ether) yog ib qho kua daj daj lossis tsis muaj xim pob tshab ntawm chav tsev kub, nrog rau qhov zoo ntawm cov viscosity qis, cov pa dej tsawg thiab cov ntsiab lus amine siab, thiab yog soluble hauv cov kuab tshuaj xws li ethanol, aliphatic hydrocarbons, aromatic hydrocarbons, esters, glycol ethers, ketones thiab dej.
CAS: 9046-10-0
