Accelerator for curable compositions

Details Accelerator for curable compositions Accelerator for curable compositions

1975-05-23

1981-09-01

Bleutge, John C.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526215, 526219, 526292, 526301, 526302, C08F 2400, C08F 1820, C08F 2602

Patent

active

042873304

ABSTRACT:
Curable acrylate ester compositions having as an accelerator for the polymerization a hydrazine derivative of the formula R.sup.1 --HN--NH--CO--R.sup.2. Typical of the monomers are the polyalkylene-glycol dimethacrylates and the so-called urethane acrylates. Polymerization is preferably initiated by a peroxy compound such as cumene hydroperoxide, such a composition having anaerobic curing characteristics.

REFERENCES:
patent: 3043820 (1962-07-01), Krieble
patent: 3203941 (1965-08-01), Krieble
patent: 3218305 (1965-11-01), Krieble
patent: 3297745 (1967-01-01), Fehete
patent: 3425988 (1969-02-01), Gorman et al.
patent: 3491076 (1970-01-01), Bachman
patent: 3532652 (1970-10-01), Zang et al.
patent: 3591438 (1971-07-01), Tobach et al.
patent: 3694415 (1972-09-01), Honda et al.

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