Pressure sensitive adhesive resin composition

Details Pressure sensitive adhesive resin composition Pressure sensitive adhesive resin composition

1987-10-29

1989-02-14

Briggs, Sr., Wilbert J.

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

Synthetic resins

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

525190, 525199, C08L 276

Patent

active

048047139

ABSTRACT:
A fluororesin composition useful as a pressure sensitive adhesive is obtained by blending 2-50 wt % of a copolymer of vinylidene fluoride and hexafluoroacetone with a copolymer of 2-ethylhexyl acrylate and at least one other vinylic monomer. As the latter copolymer, either a copolymer made up of at least 60 mol % of 2-ethylhexyl acrylate and the balance of methacrylic ester(s) or a copolymer of 50-95 mol % of 2-ethylhexyl acrylate, 5-40 mol % of vinyl acetate and 0-40 mol % of additional vinylic comonomer(s) selected from acrylic acid and its esters and methacrylic acid and its esters is suitable. This resin composition is sufficiently strong in both tack adhesion power and cohesive force and has excellent weatherability, water resistance and oil resistance.

REFERENCES:
patent: 4591616 (1986-05-01), Miyata et al.
patent: 4617350 (1986-10-01), Maeda et al.
patent: 4687295 (1987-08-01), Koishi et al.
Handbook of Pressure Sensitive Adhesive Technology, Van Nostrand Reinhold Co., N.Y., 1982, pp. 353-369, (J. Schlademan).

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