Silicone rubber adhesive films with improved adhesion

Details Silicone rubber adhesive films with improved adhesion Silicone rubber adhesive films with improved adhesion

1989-01-23

1990-04-17

Marquis, Melvyn I.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524262, 524265, 524267, 524268, 524493, 524731, C08K 554

Patent

active

049181262

ABSTRACT:
Silicone rubber adhesive films or sheets are obtained by sheeting a composition comprising 100 parts by weight of organopolysiloxane gum, 30 to 150 parts by weight of wet-process hydrophobic reinforcing silica, a curing agent, and 0.1 to 10 parts by weight of an organoalkoxysilane. These uncured sheets have a tensile strength at break of from 1.5 to 5 kg/cm.sup.2. The adhesive films are characterized by simplicity in handling and an excellent workability combined with excellent tensile adhesive strength. They tightly bond and unify adherend pairs and are particularly suitable for bonding flat surface, such as fabrics, glass, and rubber sheets.

REFERENCES:
patent: 4344800 (1982-08-01), Lutz
patent: 4418165 (1983-11-01), Polmanteer et al.
patent: 4454288 (1984-06-01), Lee et al.

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