Hydroexpansible composite material, the preparation thereof and

Details Hydroexpansible composite material, the preparation thereof and Hydroexpansible composite material, the preparation thereof and

1986-06-23

1989-06-06

Cannon, James C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

47 1, 47 15, 47 26, 47 485, 156 53, 174 23C, 174107, 174118, 174120C, 174120SR, 174121B, 174121SR, 252 86, 252 88, 252 89, 252510, 252511, 350 9629, 427121, 4273899, 428243, 428244, 428283, 428294, 428326, 428327, 428481, 428485, 428913, 502402, 502404, 604364, 604375, 604376, B32B 530, B32B 3300, H01B 728, H01B 1750

Patent

active

048370770

ABSTRACT:
The invention relates to a hydroexpansible composite material, the method of preparing same and a composition for implementing this method, as well as to the uses thereof. The composite material includes a solid flat support having, on at least one of its faces, a coating with a high proportion of a hydroexpansible polymer powder fixed to the support by means of a hydrosoluble binder, the coating being essentially formed of:

REFERENCES:
patent: 4381782 (1983-05-01), Magurds et al.
patent: 4413995 (1983-11-01), Korpman
patent: 4467015 (1984-08-01), Clem
patent: 4469746 (1984-09-01), Weisman et al.
patent: 4600462 (1986-07-01), Watt
patent: 4656062 (1987-04-01), Harriet

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