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Sigma-Aldrich

Polybutene

average Mn ~920 by VPO, isobutylene >90 %

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About This Item

Lineare Formel:
[-CH2C(CH3)2-]x[-CH2CH(C2H5)-]y
CAS-Nummer:
9003-29-6
MDL-Nummer:
MFCD00197897
UNSPSC-Code:
12162002
PubChem Substanz-ID:
24864243
NACRES:
NA.23

Form

liquid

Mol-Gew.

average Mn ~920 by VPO

Zusammensetzung

isobutylene, >90%

Viskosität

200-235 cSt(100 °C)(lit.)

Übergangstemp.

pour point (ASTM D 97) −7 °C

Dichte

0.89 g/mL at 25 °C

SMILES String

CCC=C.C\C=C\C

InChI

1S/2C4H8/c2*1-3-4-2/h3-4H,1-2H3;3H,1,4H2,2H3/b4-3+;

InChIKey

WTOOLIQYCQJDBG-BJILWQEISA-N

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Verwandte Kategorien

Anwendung

Hydrophobic material is derivatized to make detergents and anti-rust additives. Adds tack, flexibility and water repellency to adhesives and coatings. Contributes ′cling′ to LLDPE films. Plasticizer for polymers, lubricants and metal-working fluids.

Leistungsmerkmale und Vorteile

Tackiness increases with molecular weight. Some internal double bonds may be present.

Physikalische Form

Terminal vinyl group.

Sonstige Hinweise

remainder 1- and 2-butenes

Piktogramme

Health hazardExclamation mark
GHS08,GHS07

Signalwort

Danger

H-Sätze

H304,H315

Gefahreneinstufungen

Asp. Tox. 1 - Skin Irrit. 2

Lagerklassenschlüssel

10 - Combustible liquids

WGK

WGK 1

Flammpunkt (°F)

159.8 °F - closed cup

Flammpunkt (°C)

71 °C - closed cup

Persönliche Schutzausrüstung

Eyeshields, Gloves

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Syutaro Yamamoto et al.
Journal of oleo science, 56(9), 463-469 (2007-09-28)
Water-soluble metal working fluids are used for processing of aluminum alloy materials. This short article describes properties of new additives in water-soluble metal working fluids for aluminum alloy materials. Many half esters or diesters were prepared from the reactions of
Huaiyu Wang et al.
Acta biomaterialia, 5(1), 279-287 (2008-09-02)
Poly(butylene succinate) (PBSu), a novel biodegradable aliphatic polyester with excellent processability and mechanical properties, is a promising substance for bone and cartilage repair. However, it typically suffers from insufficient biocompatibility and bioactivity after implantation into the human body. In this
X Y Wu et al.
The British journal of ophthalmology, 82(5), 569-576 (1998-08-26)
The goal was to compare the biological response of the corneal stroma with three porous materials: a melt blown microfibre web of polybutylene:polypropylene (80:20); a polyester spun laced fabric (polyethylene terephthalate), and an expanded polytetrafluoroethylene. Fifty per cent of each
Takanori Tanino et al.
Applied microbiology and biotechnology, 82(1), 59-66 (2008-11-06)
A Candida antarctica lipase B (CALB)-displaying yeast whole-cell biocatalyst was constructed with the integration of the CALB cell-surface display expression cassette in the yeast genome and cell fusion by mating. Lipase hydrolytic activity of the yeast whole-cell biocatalyst subsequently increased
Daniel Brassard et al.
Lab on a chip, 11(23), 4099-4107 (2011-11-02)
Microfluidics has emerged as a valuable tool for the high-resolution patterning of biological probes on solid supports. Yet, its widespread adoption as a universal biological immobilization tool is still limited by several technical challenges, particularly for the patterning of isolated
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