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Documenti fondamentali

434787

Sigma-Aldrich

Polybutadiene

average Mn ~3,000 by VPO

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About This Item

Formula condensata:
(CH2CH=CHCH2)n
Numero CAS:
Numero MDL:
Codice UNSPSC:
12162002
ID PubChem:

Descrizione

peroxide number <= 10 mval/kg

Stato

viscous liquid

PM

average Mn ~3,000 by VPO

Composizione

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

Indice di rifrazione

n20/D 1.524

Viscosità

2,700-3,000 mPa.s(20 °C)(lit.)

Punto di fusione

−6 °C

Numero di acido

≤0.3 mg KOH/g

Indice di iodio

420‑480 g/100g

Temp. transizione

pour point ~−50 °C

Solubilità

aliphatic hydrocarbons: soluble

Densità

0.9 g/mL at 25 °C (lit.)

InChI

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

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Applicazioni

Co-reactant for air curing coatings.

Caratteristiche e vantaggi

Low viscosity liquid that undergoes polymerization in the presence of oxygen and free radical generators. Unsaponifiable drying oil. Improves water and chemical resistance.

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, type N95 (US)


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Gregory P Robbins et al.
Langmuir : the ACS journal of surfaces and colloids, 26(17), 14089-14096 (2010-08-14)
The polymersome, a fully synthetic cell mimetic, is a tunable platform for drug delivery vehicles to detect and treat disease (theranostics). Here, we design a leuko-polymersome, a polymersome with the adhesive properties of leukocytes, which can effectively bind to inflammatory
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
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)
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

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