Starch for paper making

Details Starch for paper making Starch for paper making

1997-04-25

1999-03-16

Lee, Howard C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

1621571, 536 48, 536 50, 536102, 536111, C08B 3110, D21F 1100

Patent

active

058832424

ABSTRACT:
The present invention provides a cationic starch prepared by roasting starch under the presence of a cationic polymer, a method for preparing the cationic starch, and a method for making paper board with the cationic starch. The method for making paper board of the present invention provides high retention of starch in paper board, enhances paper board strength in a high level and reduces a load of treating waste water from a paper machine, in comparison with the starch which has conventionally been employed for paper making.

REFERENCES:
patent: 3674725 (1972-07-01), Aitken et al.
patent: 4066673 (1978-01-01), Doughty et al.
patent: 4146515 (1979-03-01), Buikema et al.
patent: 4464528 (1984-08-01), Tasset
patent: 5652360 (1997-07-01), Tanaka et al.
Stoutjesdijk et al., Wochenbl. Papierfabr., vol. 103 (23/24) pp. 897-901. Abstract Only, 1975.
Patent Abstracts of Japan, vol. 096, No. 007, Jul. 31, 1996 & JP 08 073502 A (Daiwa Kagaku Kogyo KK), Mar. 19, 1996, abstract.
Patent Abstracts of Japan, vol. 004, No. 186 (C-036), Dec. 20, 1980, & JP 55 125101 A (Nichiden Kagaku KK), Sep. 26, 1980, abstract.

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