1, 3-divinyl-1,1,3, 3-tetramethyldisiloxane platinum (0)
CAS Nr.: 68478-92-2
Molecular Formula:O[SI(CH3)SUB>2CH=CH2]2PT
Molecular Luj: 381.48
MDL: MFCD00151662
Alias: KARSTEDT CATALYST ;1, 3-divinyl-1,1,3, 3-tetramethyldisiloxane platinum (0)
Chemical Property
Lub teeb daj ua kua, insoluble hauv dej, soluble hauv toluene, xylene, isopropyl cawv, ob chav vinyl silicone roj. Nyob ruaj khov hauv huab cua.
Quantity Standard
Cov ntsiab lus Bullion:{{0}}.1% - 5.0%
Kev siv
Siv los catalyze Hydrogen silication cov tshuaj tiv thaiv
Kev cia hom
Muab kaw cia
Nws cov kua silicone roj hmab ua cov khoom elastic nyob rau hauv cov cua kub los yog qhov kub thiab txias, feem ntau yog vim vinyl silicone thiab hydrogen-muaj silicone nyob rau hauv lub catalysis ntawm platinum catalyst los ua hydrogen silicification cov tshuaj tiv thaiv tshwm sim, qhov tshwm sim ntawm cov tshuaj tiv thaiv yog cov kua ua kua, thiab cov Cov khoom ntawm lub cev yuav tsis hloov lossis yuav tsis hloov mus rau lub sijhawm ntev tom qab ua kom muaj zog ntawm chav tsev kub thiab siab. Cov tshuaj tiv thaiv yog raws li nram no:
Ntawm lawv, cov platinum catalyst muaj lub luag haujlwm tseem ceeb, hauv cov tshuaj tiv thaiv tshuaj, ntau zaus cov catalyst thiab cov tshuaj tiv thaiv yuav tsum tau los txhawb cov tshuaj tiv thaiv ntawm ob yam tshuaj, yog li ua lwm yam khoom. Los ntawm qhov sib npaug, peb tuaj yeem pom tias cov kua roj hmab silicone uas muaj cov yas (unsaturated pawg) thiab cov kua roj silicone roj hmab uas muaj hydrogen (unsaturated pab pawg) yog cross-linked rau hauv dimethylene (saturated pawg) nyob rau hauv catalysis ntawm platinum catalyst. Thaum cov molecule ua saturated, nws kuj ua tau khov. Qhov no yog vim li cas cov kua silica gel tuaj yeem muab tshuaj ntsuam luam tawm ntawm cov tsoos tsho thiab tom qab ntawd ua kom ruaj khov ntawm cov khaub ncaws tom qab cua sov tas li rau lub sijhawm.
Cov muaj pes tsawg leeg ntawm cov platinum catalyst tsis nyuaj, uas feem ntau muaj polydimethylsiloxane uas yog qhov kawg-sealing tus neeg saib xyuas kom tshem tawm cov kev hloov kho hauv cov pyrolysis rearrangement, thiab nws cov qauv molecular yog raws li nram no:
Ntxiv cov kab me me ntawm cov hmoov platinum zoo rau qhov kawg tus neeg sawv cev, cov ntsiab lus nyob nruab nrab ntawm {{{0}}}.1% thiab 5.0%, cov ntsiab lus tshwj xeeb nyob ntawm qhov kev kho ceev uas yuav tsum tau ua los ntawm kev siv tswv yim, cov molecular kev nthuav qhia yog raws li nram no:
Cim npe nrov: platinum silicone catalyst, Tuam Tshoj, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, nqe, pricelist, dawb qauv
