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418870

Sigma-Aldrich

Poly(acrylonitrile-co-butadiene), dicarboxy terminated

average Mn ~3,800, acrylonitrile 8-12 wt. %

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About This Item

Linear Formula:
HO2C[CH2CH(CN)]x(CH2CH=CHCH2)yCO2H
CAS Number:
68891-46-3
MDL number:
MFCD06591088
UNSPSC Code:
12162002
NACRES:
NA.23

form

viscous liquid

specific activity

1.9 carboxyl groups per molecule

mol wt

average Mn ~3,800

composition

acrylonitrile, 8-12 wt. %

refractive index

n20/D 1.515 (lit.)

viscosity

600 poise(27 °C, Brookfield)(lit.)

acid number

28

transition temp

Tg −66 °C (DSC)

density

0.924 g/mL at 25 °C

InChI

1S/C4H6.C3H3N/c1-3-4-2;1-2-3-4/h3-4H,1-2H2;2H,1H2

InChI key

NTXGQCSETZTARF-UHFFFAOYSA-N

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Application

Component of epoxy-based adhesives, composites and coatings. Intermediate in corrosion-resistant vinyl esters, acrylated epoxies used in radiation curing and photopolymer printing plates.

Features and Benefits

Enhances impact strength, thermal shock, peel strength and crack resistance of epoxy compositions.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Certificates of Analysis (COA)

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