Catalyst systems and adhesion promoter for two-pack acrylic adhe

Details Catalyst systems and adhesion promoter for two-pack acrylic adhe Catalyst systems and adhesion promoter for two-pack acrylic adhe

1984-07-02

1986-08-19

Seccuro, Carman J.

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

Synthetic resins

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

525291, 549561, 560193, 560157, 560165, 560221, 556111, 556110, C08L 3304, C08L 5100, C08K 510, C08K 541

Patent

active

046070826

ABSTRACT:
Disclosed are novel catalyst systems and method for curing a peroxide-curable ethylenically unsaturated (e.g. acrylic or vinyl) composition wherein the catalyst system is a combination of the peroxide curing agent and a Cu.sup.+1 activator or a combination of a peroxide curing agent and an activator system comprising a furfuryl alcohol and an acid catalyst. Also disclosed is a new catalyst system for curing ring compounds (e.g. epoxides) which comprises a combination of ferrocene and a diazonium salt of a Lewis acid. Preferred curable compositions are adhesives and especially acrylic adhesives and epoxy adhesives. Also disclosed is a new adhesion promoter which improves the adhesion of acrylic adhesive.

REFERENCES:
patent: 3564074 (1971-02-01), Swisher et al.
patent: 3959236 (1976-05-01), Peska et al.

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