Paper sizing agent composition

Details Paper sizing agent composition Paper sizing agent composition

1992-07-08

1993-09-21

Brunsman, David B.

Compositions: coating or plastic

Coating or plastic compositions

O-containing organic compound

106211, 162175, 162179, C09D 700

Patent

active

052464911

ABSTRACT:
An alkenylsuccinic anhydride type paper sizing agent composition which causes little contamination of a paper machine and exhibits an excellent sizing effect is provided.
The paper sizing agent composition contains addition reaction products obtained from an addition reaction between a straight-chain internal olefin comprising 16 to 20 carbon atoms and maleic anhydride, any unreacted olefin and maleic anhydride having been removed from said addition reaction products; said addition reaction products comprising as a main component alkenylsuccinic anhydride (1:1 adduct) represented by formula (I): ##STR1## wherein both of R and R' are alkyl groups or either one of R and R' is an alkyl group while the other is a hydrogen atom; and a 1:2 adduct (2 moles maleic anhydride per mole of olefin), and a decarbonated product of said 1:2 adduct in a total amount, based on said addition reaction products, of from about 7 to about 12 mol%.

REFERENCES:
patent: 3821069 (1974-06-01), Wurtburg
patent: 4207142 (1980-06-01), Shephard

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