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公开(公告)号:FI873312A0
公开(公告)日:1987-07-29
申请号:FI873312
申请日:1987-07-29
Applicant: BASF AG
Inventor: WEBERNDOERFER VOLKMAR , FREUDENBERG ENRIQUE , DEGEN HANS-JUERGEN , RIEBELING ULRICH
Abstract: Engine sizes for paper are based on aqueous emulsions of C14-C20-alkyl diketenes and cationic copolymers of (a) from 40 to 99% by weight of acrylamide and/or methacrylamide, (b) from 1 to 40% by weight of an unsubstituted or substituted N-vinylimidazoline and (c) from 0 to 30% by weight of an unsubstituted or substituted N-vinylimidazole.