Size composition for papermaking

Details Size composition for papermaking Size composition for papermaking

1991-05-30

1993-04-13

Brunsman, David

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

106218, 106238, 162174, 162180, C09D18900

Patent

active

052019446

ABSTRACT:
The present invention relates to a size composition which shows an excellent sizing effect in neutral to weakly acidic papermaking.
Alkanol tertiary amine and fortified rosin, incorporated in the size composition of the present invention, even when prepared as dispersions using a dispersant, are extremely poor in sizing performance in the neutral pH range, whereas the size composition obtained by mixing these components in a ratio according to the present invention and dispersing them using a surfactant specified by the present invention offers an excellent sizing in the neutral to weakly acidic pH range.

REFERENCES:
patent: 3906142 (1975-09-01), Dowthwaite et al.
patent: 4540635 (1985-09-01), Ronge et al.
patent: 4983257 (1991-01-01), Schultz et al.

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