D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 17/37 (2006.01) C08F 210/00 (2006.01) C08F 216/34 (2006.01) C08L 23/00 (2006.01) C08L 29/00 (2006.01) D21H 17/00 (2006.01) D21H 17/16 (2006.01)
Patent
CA 2073238
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): Image (I) 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%. - 26 -
Hatanaka Shigeto
Takahashi Yoshio
Nippon Mitsubishi Oil Corporation
Riches Mckenzie & Herbert Llp
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