| 摘要 |
An aq. paper coating compsn. based on synthetic dispersions contains a whitener salt of formula (A(n-) (R1R2R3R4N)(+)n (I), where A=anion of a high affinity anionic cellulose whitener; R1=(substd.) alk(en)yl, aralkyl, aryl or cycloalkyl, R2, R3, R4=H or R1, or 2 or 3 of these gps. may form a heterocycle with N; n=greater than 0.
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| 申请人 |
BAYER AG, 5090 LEVERKUSEN, DE |
发明人 |
KOLL, DR., JOCHEN;MUELLER, DR., FRIEDHELM, W-5068 ODENTHAL, DE;BIEBER, WERNER, W-5653 LEICHLINGEN, DE;KOENIG, DR., JOACHIM, W-5068 ODENTHAL, DE;ECKSTEIN, DR., UDO, W-5000 KOELN 80, DE;THEIDEL, DR., HANS, W-5090 LEVERKUSEN 1, DE |
