Starch blends useful as external paper sizes

Details Starch blends useful as external paper sizes Starch blends useful as external paper sizes

1988-07-13

1989-10-10

Chin, Peter

Paper making and fiber liberation

Processes and products

With coating after drying

106210, 106213, 162175, 427395, D21H 138

Patent

active

048729515

ABSTRACT:
This invention presents a series of blends of ASA-treated and cationic starches for use as external sizes of paper and paperboard products. The blends contain at least 30% (by wt) of the ASA-treated starch, which is a monoester of the starch and an alkyl or alkenyl succinate and, optionally, from about 0.5 to about 5% (by weight based on the starch) of an Al.sup.3+ salt.

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