Accelerator for curable compositions

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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

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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.

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patent: 3591438 (1971-07-01), Tobach et al.
patent: 3694415 (1972-09-01), Honda et al.

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