Curable adhesive

Details Curable adhesive Curable adhesive

1981-12-10

1983-09-13

Cockaram, H. S.

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

Synthetic resins

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

525127, 528 58, 528 53, 528 54, 528 73, 524413, 524430, 524431, 524433, 524445, 524447, 524451, 528 75, 528905, C08G 1862, C08F 830, C08L 7500

Patent

active

044043244

ABSTRACT:
The invention relates to a curable adhesive based on a reactive acrylate and/or methacrylate copolymer. The reaction principle, on which the curing of the adhesive is based, is the reaction of the hydroxyl groups of the .omega.-hydroxyalkyl esters of acrylic and/or methacrylic acids with the isocyanate groups of the polyisocyanates or their partial reaction products with polyols. The inventive adhesives can be used without solvents or with only a slight content of organic solvents. They adhere well to plastic and metal surfaces, even when exposed to the effects of water or water vapor. The best values for the drum peel strength are obtained from acrylic copolymers whose molecular weight falls in the range of 1,000 to 3,000.

REFERENCES:
patent: 4234468 (1980-11-01), Dalibor
patent: 4293661 (1981-10-01), Probst et al.

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