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...
Patent
1993-06-21
1995-08-01
Reddick, Judy M.
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...
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.
Hotta Masatoshi
Hyuga Satoshi
Ikeda Tsuyoshi
Iwai Kiyoshi
Ohta Koji
Japan PMC Corporation
Reddick Judy M.
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