Primer and adhesive compositions based on chlorinated polyolefin

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525144, 525240, C08L 6104, C08L 6110, C08L 2328

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active

053859790

ABSTRACT:
Adhesive compositions based on chlorinated polyolefins having chlorine contents greater than about 60 percent and molecular weights greater than about 500. The adhesive compositions contain the chlorinated polyolefin and a phenolic resin. The chlorinated polyolefins are advantageous in that they can be prepared in an environmentally acceptable manner and can be utilized as a substitute for the traditional chlorinated natural rubber materials utilized in adhesive compositions without compromising adhesive performance. Preferred chlorinated polyolefins are prepared by a process involving the dispersion and chlorination of high surface area polyolefinic particles in an aqueous medium.

REFERENCES:
patent: 3258388 (1966-06-01), Coleman et al.
patent: 3258389 (1966-06-01), Coleman et al.
patent: 4452926 (1984-06-01), Matsushima et al.
patent: 5180791 (1993-01-01), Kimura et al.

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