Anti-migratory additive for emulsified phenolic resin systems

Details Anti-migratory additive for emulsified phenolic resin systems Anti-migratory additive for emulsified phenolic resin systems

1975-07-31

1976-08-03

McCamish, Marion E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

428478, 428530, 260 7, 260 293, 260844, 260848, B32B 2708

Patent

active

039730700

ABSTRACT:
The present invention relates to an anti-migratory (as respects impregnated porous sheet members) phenol-formaldehyde resole resin in water emulsions. The emulsion is rendered anti-migratory (when impregnated into paper) through the addition thereto of an anti-migratory agent selected from the group consisting of polyelectrolytes, certain salts of inorganic acids, and combinations thereof. The composition is especially useful in the impregnation of filter paper.

REFERENCES:
patent: 2883356 (1959-04-01), Gluesenkamp
patent: 2984588 (1961-05-01), Graulich et al.
patent: 3014886 (1961-12-01), Harding
patent: 3161547 (1964-12-01), Beaulieu
patent: 3594343 (1971-07-01), Huck et al.
patent: 3658622 (1972-04-01), Horowitz et al.
patent: 3719616 (1973-03-01), Ingram
patent: 3862060 (1975-01-01), Anderson et al.

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