Paper sizing composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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524548, 524555, C08L 9304

Patent

active

054380871

ABSTRACT:
The present invention provides a paper sizing composition comprising a rosin material and cationic acrylamide and/or methacrylamide polymers having hydrophobic groups wherein said rosin material is directly emulsified in water with said polymers. The sizing composition has an improved storage stability and exhibits an excellent sizing performance in the acidic through neutral pH range.

REFERENCES:
patent: 3966654 (1976-06-01), Aldrich
patent: 4943608 (1990-07-01), Takahashi et al.
TAPPI Papermakers Conference, 1988, pp. 181-188.

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