Manufacture and use of water-soluble auxiliary agents based on p

Details Manufacture and use of water-soluble auxiliary agents based on p Manufacture and use of water-soluble auxiliary agents based on p

1975-10-24

1977-10-04

Lindsay, Jr., Robert L.

Paper making and fiber liberation

Processes and products

Non-fiber additive

210 54, D21D 300

Patent

active

040522598

ABSTRACT:
A process for the production of water-soluble auxiliary agents based on polyaminoamides by reacting a polyfunctional compound with a tertiary, monofunctional amine to form an ammonium compound and reacting that ammonium compound with a basic polyaminoamide, the basic polyaminoamide being the polycondensation product of a dicarboxylic acid, a polyalkylenepolyamine and an aminocarboxylic acid or lactam thereof, the basic polyaminoamide being reacted with 0.15 to 0.19 mol of a polyfunctional compound per mol equivalent of secondary amino group in the polyamide, incorporating that modified basic polyaminoamide in the paper pulp so as to increase the retention of fibres, fillers or pigments, or to accelerate the drainage.

REFERENCES:
patent: 3632559 (1972-01-01), Basel et al.
patent: 3674725 (1972-07-01), Aitken et al.

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