Surface Coating / Alfa Chemistry

Polyisoprene-graft-maleic anhydride

Cat.No ACM139948757-1

Basic Information Description Application Features And Benefits
CAS 139948-75-7
Catalog Number ACM139948757-1
Synonyms maleic copolymer, maleated copolymer, maleated polymer
IUPAC Name 2-methylbuta-1,3-diene;3-[(1E)-3-methylbuta-1,3-dienyl]oxolane-2,5-dione
Molecular Weight average Mw ~25,000
Molecular Formula C14H18O3
InChI InChI=1S/C9H10O3.C5H8/c1-6(2)3-4-7-5-8(10)12-9(7)11;1-4-5(2)3/h3-4,7H,1,5H2,2H3;4H,1-2H2,3H3/b4-3+;
Density 0.92 g/mL at 25 °C (lit.)
MDL Number MFCD00677791
Packaging 250 mL in poly bottle
Quality Level 100
Refractive Index n20/D 1.52 (lit.)
Storage Temperature 2-8°C
Description Polyisoprene is strictly a general term for polymers produced by the polymerization of isoprene. In practice, polyisoprene is commonly used to refer to synthetic cis-1,4-polyisoprene made by the industrial polymerization of isoprene. Natural forms of polyisoprene are also used in large quantities, most importantly "natural rubber" (mainly cis-1,4-polyisoprene) extracted from tree sap. Both synthetic polyisoprene and natural rubber are highly elastic, so they can be used to make tires and a variety of other applications.
Application Co-curable plasticizer. Adhesive additive.
Features And Benefits The trans isomer is more difficult than the cis isomer and has also had important uses in the past.

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