Polyisobutylene/CAS:9003-27-4
Cov Lus Qhia Tshwj Xeeb
| Khoom | Cov Lus Qhia Tshwj Xeeb |
| Qhov kub yaj | 54-56 °C |
| Kub taw tes | 300 °C |
| Qhov Ceev | 0.92 g/mL ntawm 25 °C (lit.) |
| Cov ntsuas kev cuam tshuam | n20/Hnub 1.51 |
| Daim Ntawv | Slab/chunk |
| Xim | Tsis muaj xim los yog dawb |
| Kev Ruaj Ntseg | Kev Ruaj Ntseg Hluav Taws Xob. Tsis sib haum nrog cov neeg sawv cev oxidizing muaj zog. |
Kev Siv
polyisobutene (hydrogenated) yog ib qho tshuaj emollient.
Polyisobutylene, qee zaum hu ua butyl roj hmab, thiab lwm lub sijhawm PIB, yog ib qho vinyl polymer. Nws zoo ib yam li polyethylene thiab polypropylene hauv cov qauv, tsuas yog tias txhua lwm cov pa roj carbon tau hloov nrog ob pawg methyl. Nws yog ua los ntawm monomer isobutylene, los ntawm cationic vinyl polymerization.
Polyisobutylene yog ib hom roj hmab ua los ntawm cov khoom siv hluavtaws, lossis elastomer. Nws tshwj xeeb vim nws yog tib hom roj hmab uas tsis muaj roj nkag. Ntawd yog, nws yog tib hom roj hmab uas tuaj yeem tuav cua tau ntev. Tej zaum koj yuav tau pom tias cov npas yuav tiaj tus tom qab ob peb hnub. Qhov no yog vim lawv ua los ntawm polyisoprene, uas tsis yog roj nkag. Vim tias polyisobutylene yuav tuav cua, nws yog siv los ua cov khoom xws li cov raj sab hauv, cov txheej txheej ntawm cov log tsheb, thiab cov txheej txheej sab hauv ntawm cov pob tawb.
Ntim thiab Xa Khoom
180KG / Nruas los yog raws li cov neeg siv khoom xav tau.
Yog cov khoom siv dav dav thiab tuaj yeem xa los ntawm dej hiav txwv thiab huab cua
Khaws cia thiab khaws cia
Lub neej txee: 24 lub hlis txij li hnub tsim khoom hauv cov ntim khoom tsis tau qhib khaws cia rau hauv qhov chaw txias thiab qhuav kom tsis txhob raug tshav ntuj ncaj qha, dej.
Lub tsev rau khoom muaj cua nkag, ziab kom qhuav kub tsawg, Sib cais ntawm cov tshuaj oxidants, cov kua qaub.









