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Key Documents

Altri documenti

388696

Sigma-Aldrich

Polybutenes

average Mn ~920 by VPO, isobutylene >90 %

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About This Item

Formula condensata:
[-CH2C(CH3)2-]x[-CH2CH(C2H5)-]y
Numero CAS:
9003-29-6
Numero MDL:
MFCD00197897
Codice UNSPSC:
12162002
ID PubChem:
24864243
NACRES:
NA.23

Forma fisica

liquid

PM

average Mn ~920 by VPO

Composizione

isobutylene, >90%

Viscosità

200-235 cSt(100 °C)(lit.)

Temp. transizione

pour point (ASTM D 97) −7 °C

Densità

0.89 g/mL at 25 °C

Stringa SMILE

CCC=C.C\C=C\C

InChI

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

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Categorie correlate

Applicazioni

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.

Caratteristiche e vantaggi

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

Stato fisico

Terminal vinyl group.

Altre note

remainder 1- and 2-butenes

Pittogrammi

Exclamation markHealth hazard
GHS07,GHS08

Avvertenze

Danger

Indicazioni di pericolo

H304 - H315

Classi di pericolo

Asp. Tox. 1 - Skin Irrit. 2

Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

159.8 °F - closed cup

Punto d’infiammabilità (°C)

71 °C - closed cup

Dispositivi di protezione individuale

Eyeshields, Gloves

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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Sigma-Aldrich

431257

Polyisoprene, cis

Polypropylene-graft-maleic anhydride average Mw ~9,100 by GPC, average Mn ~3,900 by GPC, maleic anhydride 8-10 wt. %

Sigma-Aldrich

427845

Polypropylene-graft-maleic anhydride

Polyethylene average Mw ~4,000 by GPC, average Mn ~1,700 by GPC

Sigma-Aldrich

427772

Polyethylene

Paraplast® for tissue embedding

Sigma-Aldrich

P3558

Paraplast®

1-Octadecanethiol 98%

Sigma-Aldrich

O1858

1-Octadecanethiol

Paraplast Plus® for tissue embedding

Sigma-Aldrich

P3683

Paraplast Plus®

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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