Multi-function starch compositions

Details Multi-function starch compositions Multi-function starch compositions

D - Textiles, Paper

21

H

D21H 21/14 (2006.01) D21H 17/28 (2006.01) D21H 23/04 (2006.01)

Patent

CA 2511651

Disclosed herein is a method of applying heat sensitive papermaking additives to paper during a papermaking process comprising the steps of: a) providing a dry mix comprising an uncooked starch component and one or more heat sensitive papermaking additives; b) adding the dry mix to water to form a slurry without cooking the starch; c) providing a paper mat having a top surface and a bottom surface; d) applying the slurry to the top surface of the paper mat and allowing at least some of the slurry to permeate to the bottom surface of the paper mat; and e) heating the paper mat after applying the slurry to cook some or all of the starch. Also disclosed herein is a dry mix composition that can be applied to paper mat in the form of a slurry for distribution of one or more heat sensitive papermaking additives within the paper mat comprising from about 90% to less than 100% of an uncooked starch component and between more than zero to no more than about 10% of a heat sensitive papermaking additive.

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