Compositions: coating or plastic – Coating or plastic compositions – Carbohydrate or derivative containing
Patent
1996-09-25
1998-03-10
Brunsman, David
Compositions: coating or plastic
Coating or plastic compositions
Carbohydrate or derivative containing
10620501, 10620571, 524 42, 524 43, 524 44, 524 45, 524 46, 524 47, 524 55, C09D 712, C09D10500
Patent
active
057256489
ABSTRACT:
This invention relates to paper coating compositions comprising pigment, adhesive binder and rheology modifier wherein the rheology modifier comprises at least one of a) a mixture of guar and at least one other water-soluble polymer in sufficient amount to reduce the amount of guar adsorbed onto the pigment, or b) reduced molecular weight guar. The invention also relates to processes for making coated paper using the coating compositions, and to paper coated with the coating compositions.
REFERENCES:
patent: 4257816 (1981-03-01), Yin et al.
patent: 4302367 (1981-11-01), Cordes et al.
patent: 5080717 (1992-01-01), Young
patent: 5096490 (1992-03-01), Burdick
patent: 5362312 (1994-11-01), Skaggs et al.
G. Kloow, "Association Phenomena Between CMC and Non-Ionic Gums," Proceedings of (1987) No Month Avail TAPPI International Dissolving Pulps Conference, pp. 173-175.
T.S. Young and E. Fu, "Associative Behavior of Cellulosic Thickeners and Its Implications on Coating Structure and Rheology," TAPPI Journal, (Apr. 1991), pp. 197-207.
Brown Michael J.
Young Teng-Shau
Brunsman David
Hercules Incorporated
Sloan Martin F.
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