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Merck
CN

435279

Sigma-Aldrich

Poly(styrene-co-maleic acid), partial sec-butyl/methyl mixed ester

average Mv ~105,000, powder

Synonym(s):

maleated copolymer, maleated polymer, maleic copolymer

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About This Item

Linear Formula:
[CH2CH(C6H5)]x[CH(CO2R)CH(CO2R)]y, R = H or CH3 or -CH(CH3)C2H5
CAS Number:
65652-36-0
MDL number:
MFCD00217737
UNSPSC Code:
12162002
PubChem Substance ID:
24867227

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form

powder

mol wt

average Mv ~105,000

viscosity

6-7 cP, 10 %(25 °C, Brookfield, spindle #1) (60 rpm, pH 8.3)(lit.)

acid number

~175 mg KOH/g

transition temp

Tg 175-180 °C

solubility

aqueous base, alcohols, ketones and ethyl acetate: soluble

density

1.14-1.16 g/mL at 25 °C (dry film)(lit.)

SMILES string

OC(=O)\C=C\C(O)=O.C=Cc1ccccc1.COC(=O)\C=C\C(=O)OC.CCC(C)OC(=O)\C=C\C(=O)OC(C)CC

General description

1:<1 mole ratio of styrene:maleic anhydride

Application

Dispersant, emulsifier, binder, sizing agent and viscosity modifier.

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
07705PU
07409CN

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