High-strength anaerobic sealants containing N-nitrosoamine modif

Details High-strength anaerobic sealants containing N-nitrosoamine modif High-strength anaerobic sealants containing N-nitrosoamine modif

1978-05-22

1979-08-28

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

156332, 526292, 526219, C09J 314, C08K 508, C08K 522

Patent

active

041661699

ABSTRACT:
An anaerobic sealant composition capable of polymerizing upon exclusion of air comprises (1) a polymerizable mixture of polyacrylic ester monomer which includes a polyacrylic ester derived from alkoxylated bisphenol-type compounds, (2) an inorganic salt initiator which can be a persulfate or a perchlorate of ammonium, alkali metal or an alkaline earth metal, (3) a polymerization accelerator which can be a secondary or a tertiary amine, a N,N-di(lower alkyl)amide of a monocarboxylic aliphatic acid, an organic carboximide of a polycarboxylic acid, or an organic sulfimide of a carboxylic acid, or mixtures of the foregoing, (4) a N-nitrosoamine, and (5) a quinone-type polymerization inhibitor. The composition is prepared by compounding the aforementioned ingredients and suitably aging the resulting formulation.

REFERENCES:
patent: 2558139 (1951-06-01), Knock
patent: 3988299 (1976-10-01), Malofsky

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