Resin solution for the impregnation of paper webs

Details Resin solution for the impregnation of paper webs Resin solution for the impregnation of paper webs

1992-12-04

1994-04-26

Acquah, Samuel A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528230, 528254, 528256, C08L 6102

Patent

active

053067835

ABSTRACT:
An aqueous resin solution for the impregnation of paper webs contains 2-40 parts by weight of a polyurea composed of urea and of a polyamine per 100 parts by weight of a melamine/formaldehyde precondensate. The impregnated paper webs are suitable for coating woodbase materials, especially chipboard.

REFERENCES:
patent: 3772225 (1973-11-01), Avis
CA109(18):150706t.

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