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表单
slab/chunk
分子量
average Mn ~3,100,000 by GPC/MALLS
average Mv ~4,700,000
average Mw ~4,200,000
包含
500 ppm BHT as stabilizer
折射率
n20/D 1.51
密度
0.92 g/mL at 25 °C (lit.)
SMILES字符串
CC(C)=C
InChI
1S/C4H8/c1-4(2)3/h1H2,2-3H3
InChI key
VQTUBCCKSQIDNK-UHFFFAOYSA-N
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一般描述
Polyisobutylene (PIB) is an elastomer and plasticizer.[1]It exhibits good gas permeability, thermal, oxidative and chemical stability. Films of PIB can be synthesized by RF sputtering,[2] whereas branched PIB can be synthesized from 4-(1-hydroxy-1-methylethyl)styrene -co-styrene (HMESt-co-St) as inimer.[3]
应用
PIB may be used to prepare polymers blends with isotactic polypropylene (iPP).[3]
储存分类代码
10 - Combustible liquids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves
Dynamic rheological properties of polyisobutylene
Dunlop AN and Williams HL
Journal of Applied Polymer Science, 20, 193-206 (1976)
Morphology, crystallization and melting behaviour of films of isotactic polypropylene blended with ethylene-propylene copolymers and polyisobutylene,
Martuscelli E, et al.
Polymer, 23(2), 229-237 (1982)
Goy Teck Lim et al.
Biomacromolecules, 12(5), 1795-1799 (2011-04-01)
This paper is the first report of electrospinning neat polyisobutylene-based thermoplastic elastomers. Two generations of these materials are investigated: a linear poly(styrene-b-isobutylene-b-styrene) (L_SIBS) triblock copolymer and a dendritic poly(isobutylene-b-p-methylstyrene) (D_IB-MS), also a candidate for biomedical applications. Cross-polarized optical microscopy shows
David Cozzens et al.
Langmuir : the ACS journal of surfaces and colloids, 27(23), 14160-14168 (2011-10-26)
The surface properties and biocompatibility of a class of thermoplastic polyurethanes (TPUs) with applications in blood-contacting medical devices have been studied. Thin films of commercial TPUs and novel polyisobutylene (PIB)-poly(tetramethylene oxide) (PTMO) TPUs were characterized by contact angle measurements, X-ray
David Cozzens et al.
Journal of biomedical materials research. Part A, 95(3), 774-782 (2010-08-21)
Long term in vitro biostability of thermoplastic polyurethanes (TPUs) containing mixed polyisobutylene (PIB)/poly(tetramethylene oxide) (PTMO) soft segment was studied under accelerated conditions in 20% H(2)O(2) solution containing 0.1M CoCl(2) at 50 °C to predict resistance to metal ion oxidative degradation
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