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Merck
CN

434787

聚丁二烯

average Mn ~3,000 by VPO

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线性分子式:
(CH2CH=CHCH2)n
化学文摘社编号:
PubChem Substance ID:
UNSPSC Code:
12162002
MDL number:
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InChI

1S/C4H8/c1-3-4-2/h3-4H,1-2H3/b4-3+

InChI key

IAQRGUVFOMOMEM-ONEGZZNKSA-N

description

peroxide number <= 10 mval/kg

form

viscous liquid

mol wt

average Mn ~3,000 by VPO

composition

cis-1,4, 75% , trans-1,4, 24% , vinyl, 1%

refractive index

n20/D 1.524

viscosity

2,700-3,000 mPa.s(20 °C)(lit.)

mp

−6 °C

acid number

≤0.3 mg KOH/g

iodine value

420‑480 g/100g

transition temp

pour point ~−50 °C

solubility

aliphatic hydrocarbons: soluble

density

0.9 g/mL at 25 °C (lit.)

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Application

空气固化涂料的共反应物。

Features and Benefits

在氧和自由基引发剂存在的情况下会发生聚合的低粘度流体。未皂化的干性油。改善防水和耐化学性。

存储类别

10 - Combustible liquids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

法规信息

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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Zhi-ping Huang et al.
Journal of hazardous materials, 229-230, 251-257 (2012-06-26)
Migration appeared in the interfaces of nitrate ester plasticized polyether (NEPE) based propellant/hydroxyl-terminated polybutadiene (HTPB) based liner/ethylene propylene terpolymer (EPDM) based insulation was studied by aging at different temperatures. The migration components were extracted with solvent and determined by high
Rachel Calvet et al.
Journal of chromatography. A, 1253, 164-170 (2012-07-24)
In this study, the coupling of IGC-ID analysis and carbon blacks impregnation with increasing ratios of polymer allow us to highlight the affinity of the polymer to the solid surface. The variations of the dispersive component of the surface energy
Bounphanh Tonpheng et al.
Physical chemistry chemical physics : PCCP, 13(33), 15047-15054 (2011-07-22)
The thermal conductivity κ, heat capacity per unit volume ρc(p) and glass transition behaviour under pressure have been established for medium and high vinyl content polybutadiene PB with molecular weights 2600 and 100,000 and their highly cross-linked (ebonite) states obtained
P S Brown et al.
Langmuir : the ACS journal of surfaces and colloids, 28(38), 13712-13719 (2012-09-13)
Two-dimensional hexagonally ordered honeycomb surfaces have been created by solvent casting polybutadiene films under controlled humidity. Subsequent CF(4) plasmachemical fluorination introduces cross-linking and surface texturing, leading to hierarchical surfaces with roughness on both the 10 μm (honeycomb) and micrometer (texturing)
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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