Article including acrylic adhesive bonding vinyl coatings to pol

Details Article including acrylic adhesive bonding vinyl coatings to pol Article including acrylic adhesive bonding vinyl coatings to pol

1976-01-06

1978-02-14

Ives, P. C.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428522, 428524, 428523, 427407E, 260844, 156308, 156332, 156310, 156335, 156315, B32B 2708

Patent

active

040740145

ABSTRACT:
The specification discloses noncracking permanent adhesives which utilize mixtures of phenolic resins and methacrylate resins having a Mw greater than about 100,000 and preferably about 400,000 bonding plasticized vinyl resin coverings, e.g., PVC, to hard polymeric substrate surfaces such as ABS, etc. Also, it is preferable that the vinyl resin covering contain plasticizers which are no more than limited in compatibility with the adhesive. It is theorized that the adhesive mixture prevents migration of plasticizer from the plasticizer-containing vinyl resin covering into the adhesive and eventually into the polymeric substrate.

REFERENCES:
patent: 3075863 (1963-01-01), Frey
patent: 3150118 (1964-09-01), Clemens
patent: 3280217 (1966-10-01), Lader et al.
patent: 3331730 (1967-07-01), Bean, Jr. et al.

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