181382
Polybutadiene
average Mw ~200,000
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About This Item
Linear Formula:
(CH2CH=CHCH2)n
CAS Number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
MDL number:
Product Name
Polybutadiene, average Mw ~200,000
InChI
1S/C4H8/c1-3-4-2/h3-4H,1-2H3/b4-3+
InChI key
IAQRGUVFOMOMEM-ONEGZZNKSA-N
form
slabs
mol wt
average Mw ~200,000
composition
cis-1,4, 36%
trans-1,4, 55%
vinyl, 9%
refractive index
n20/D 1.5178
transition temp
Tg −95 °C
solubility
cyclohexane: 8.38 (solubility parameter)
density
0.9 g/mL at 25 °C (lit.)
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Application
Polybutadiene is mainly blended with natural rubber and styrene butadiene rubber in the manufacturing of tyres. It can also be used in the development of conveyor and transmission belts.
General description
Polybutadiene is a synthetic rubber that is produced by solution polymerization of 1,3-butadiene. It has excellent mechanical properties which include low temperature flexibility and abrasion resistance. It can be cured by using sulfur based donors and peroxides to result in a highly cross-linked polymer with high resilience.
Storage Class
10 - Combustible liquids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Handbook of Poylmer-Liquid Interaction Parameters and Solubility Parameters (1990)
Pyrolysis-thermogravimetric analysis of tyres and tyre components
Williams PT and Besler S
Fuel: The Science and Technology of Fuel and Energy, 74(9), 1277-1283 (1995)
Rubber Basics (2002)
Modification of butadiene-acrylonitrile rubber/poly (vinyl chloride) blend using natural rubber, styrene-butadiene rubber, and polybutadiene rubber
George KE, et al.
Polym. Eng. Sci., 27(15), 1137-1140 (1987)
Joan M Widin et al.
Journal of the American Chemical Society, 134(8), 3834-3844 (2012-01-28)
Controlled/"living" polymerizations and tandem polymerization methodologies offer enticing opportunities to enchain a wide variety of monomers into new, functional block copolymer materials with unusual physical properties. However, the use of these synthetic methods often introduces nontrivial molecular weight polydispersities, a
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