Resole resin and polyvinyl acetate impregnated filter paper

Details Resole resin and polyvinyl acetate impregnated filter paper Resole resin and polyvinyl acetate impregnated filter paper

1978-02-21

1979-06-12

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

With coating after drying

162165, 162168R, 210508, 427395, 428514, 428530, 428531, D21F 1100

Patent

active

041579372

ABSTRACT:
The present invention relates to a resole resin composition comprising a resole resin in combination with a polyvinylacetate resin and a solvent. Said composition provides a flexible bonding composition for filter papers wherein said resin is fast curing and the impregnated cured paper can be pleated after curing without cracking or further curing providing economies for the paper and filter fabricators and a superior filter paper.

REFERENCES:
patent: 2532983 (1950-12-01), Alderson
patent: 2631097 (1953-03-01), Redfern
patent: 2831783 (1958-04-01), Swiss et al.
patent: 3294582 (1966-12-01), Suchy
Casey, "Pulp & Paper", vol. II, (1960), pp. 2087, 2088.

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