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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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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

Exclamation markHealth hazard
GHS07,GHS08

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
John B Williams et al.
Analytical chemistry, 75(13), 3092-3100 (2003-09-11)
The mass dependency of matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) response has been studied using equimolar mixtures of synthetic discrete mass poly(butylene glutarate) (PBG) oligomers of known structure having degrees of polymerization of 8, 16, 32, and 64. Mass
Colin Booth et al.
Physical chemistry chemical physics : PCCP, 8(31), 3612-3622 (2006-08-03)
The article deals with the association behaviour in dilute aqueous solution of block copoly(oxyalkylene)s in which hydrophilic poly(ethylene oxide) is combined with hydrophobic poly(propylene oxide), poly(1,2-butylene oxide) or poly(styrene oxide). Polymers with three simple architectures are considered, i.e. copolymers of
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
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
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