Process for preparation of surface-protecting acrylic film

Details Process for preparation of surface-protecting acrylic film Process for preparation of surface-protecting acrylic film

1982-02-03

1984-10-16

Kimlin, Edward

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156310, 156332, 428420, 428523, B44C 100, B32B 700, B32B 704, B32B 2732

Patent

active

044773030

ABSTRACT:
An improved process for preparing a laminate polymer article having an alkyl methacrylate polymer film uniformly laminated on at least one surface of the body of a polymer article formed from a prepolymer composition containing a polymerizable monomer, a solvent or a mixture thereof is disclosed. A composite acrylic film comprising (a) a carrier film insoluble in the polymerizable monomer and the solvent and (b) an alkyl methacrylate polymer film soluble in or swellable with the polymerizable monomer and the solvent, said carrier film and said alkyl methacrylate polymer film being adhered to each other through an adhesive layer capable of adhering relatively weakly to the alkyl methacrylate film and adhering relatively strongly to the carrier film and incapable of being dissolved in the polymerizable monomer and the solvent, is laminated on the prepolymer composition so that the alkyl methacrylate polymer film is in contact with the surface of the prepolymer composition; the prepolymer composition is polymerized; and then, the carrier film is peeled together with the adhesive layer from the resulting polymer article.

REFERENCES:
patent: 3562235 (1971-02-01), Ryan
patent: 4131635 (1978-12-01), Wilschut
patent: 4243462 (1981-01-01), Hori et al.
patent: 4254186 (1981-03-01), Acitelli et al.
patent: 4333987 (1982-06-01), Kwart et al.
patent: 4339485 (1982-07-01), Shibano et al.
patent: 4361626 (1982-11-01), Boba et al.
patent: 4367312 (1983-01-01), Bontinck et al.
patent: 4379039 (1983-04-01), Fujimoto et al.

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