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Merck
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重要文件

181498

Sigma-Aldrich

聚异丁烯

average Mw ~4,200,000, average Mn ~3,100,000 by GPC/MALLS, average Mv ~4,700,000

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About This Item

線性公式:
[CH2C(CH3)2]n
CAS號碼:
MDL號碼:
分類程式碼代碼:
12162002
PubChem物質ID:
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形狀

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 字串

CC(C)=C

InChI

1S/C4H8/c1-4(2)3/h1H2,2-3H3

InChI 密鑰

VQTUBCCKSQIDNK-UHFFFAOYSA-N

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一般說明

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]

應用

PIB may be used to prepare polymers blends with isotactic polypropylene (iPP).[3]

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves


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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)
Dynamic rheological properties of polyisobutylene
Dunlop AN and Williams HL
Journal of Applied Polymer Science, 20, 193-206 (1976)
Deniz C Tuncaboylu et al.
Langmuir : the ACS journal of surfaces and colloids, 26(10), 7574-7581 (2010-01-29)
Organic-inorganic hybrid materials attract particular interest because of their excellent mechanical properties. Here, we report the synthesis of hybrid cryogels consisting of interpenetrated polyisobutylene and silica networks. The gels were prepared by cross-linking of butyl rubber in cyclohexane containing silica
Judit E Puskas et al.
Biomaterials, 31(9), 2477-2488 (2009-12-26)
This paper presents the synthesis and characterization of a polyisobutylene (PIB)-based nanostructured carbon-reinforced thermoplastic elastomer. This thermoplastic elastomer is based on a self-assembling block copolymer having a branched PIB core carrying -OH functional groups at each branch point, flanked by
Hong Seok Choi et al.
Langmuir : the ACS journal of surfaces and colloids, 28(1), 849-854 (2011-11-25)
The optical properties of polymeric materials, such as transmission loss and the thermo-optic coefficient, determine their utility in numerous applications, ranging from nanotechnology to the automotive and aerospace industries. However, because of the wide variation in the physical properties of

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