Compositions: coating or plastic – Coating or plastic compositions – Natural resin or derivative containing
Patent
1975-01-30
1977-05-24
Morris, Theodore
Compositions: coating or plastic
Coating or plastic compositions
Natural resin or derivative containing
106219, 106236, 260102, C08L 9304
Patent
active
040253546
ABSTRACT:
This invention is directed to novel sizing agent compositions containing urea which is chemically modified and/or combined with other materials which produce desirable sizing properties. These novel agents are used as beater additives in pulp refining for the manufacture of cellulosic products or are applied to finished cellulosic products as surface sizes. The invention is also directed to methods of making the sizing agents. In one preferred embodiment, urea is reacted with sulfamic acid and the resulting reaction product is combined with rosin and further reacted to produce a novel sizing agent.
REFERENCES:
patent: 2423556 (1947-07-01), Feibelmann
Chem. Abst. 67:66165x, 1967.
Emerson Ralph Waldo
Shattuck John R.
Morris Theodore
Plasmine Corporation
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