388696
Polybutenes
average Mn ~920 by VPO, isobutylene >90 %
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About This Item
Linear Formula:
[-CH2C(CH3)2-]x[-CH2CH(C2H5)-]y
CAS Number:
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12162002
MDL number:
form
liquid
mol wt
average Mn ~920 by VPO
composition
isobutylene, >90%
viscosity
200-235 cSt(100 °C)(lit.)
transition temp
pour point (ASTM D 97) −7 °C
density
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+;
InChI key
WTOOLIQYCQJDBG-BJILWQEISA-N
Application
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.
Features and Benefits
Tackiness increases with molecular weight. Some internal double bonds may be present.
Physical form
Terminal vinyl group.
Other Notes
remainder 1- and 2-butenes
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signalword
Danger
hcodes
Hazard Classifications
Asp. Tox. 1 - Skin Irrit. 2
Storage Class
10 - Combustible liquids
wgk
WGK 1
flash_point_f
159.8 °F - closed cup
flash_point_c
71 °C - closed cup
ppe
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
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 388696-100ML | 04061837911279 |