181498
Polyisobutylene
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
Formula condensata:
[CH2C(CH3)2]n
Numero CAS:
Numero MDL:
Codice UNSPSC:
12162002
ID PubChem:
Prodotti consigliati
Stato
slab/chunk
PM
average Mn ~3,100,000 by GPC/MALLS
average Mv ~4,700,000
average Mw ~4,200,000
contiene
500 ppm BHT as stabilizer
Indice di rifrazione
n20/D 1.51
Densità
0.92 g/mL at 25 °C (lit.)
Stringa SMILE
CC(C)=C
InChI
1S/C4H8/c1-4(2)3/h1H2,2-3H3
VQTUBCCKSQIDNK-UHFFFAOYSA-N
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Descrizione generale
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]
Applicazioni
PIB may be used to prepare polymers blends with isotactic polypropylene (iPP).[3]
Codice della classe di stoccaggio
10 - Combustible liquids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
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
Yanfei Yang et al.
Journal of the American Chemical Society, 134(36), 14714-14717 (2012-08-29)
The studies described here show that a relatively low molecular weight, narrow polydispersity polyethylene (PE) wax (Polywax) can serve as a nontoxic and nonvolatile alternative to alkane solvents in monophasic catalytic organic reactions where catalysts and products are separated under
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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