Polymeric adducts with pendant polymerizable double bonds, their

Details Polymeric adducts with pendant polymerizable double bonds, their Polymeric adducts with pendant polymerizable double bonds, their

1981-09-04

1983-08-30

Ziegler, J.

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

Synthetic resins

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

525260, 525262, 525263, C08F26704

Patent

active

044017936

ABSTRACT:
Novel stable anaerobic compositions are prepared which contain, as a novel reactive thickener, a polymerizable polymeric adduct having pendant double bonds which is dissolved in a polymerizable monomeric diluent. The anaerobic compositions show improved performance properties. The thickener is prepared by reacting an anhydride-containing polymer with an excess of a C.sub.2 -C.sub.5 hydroxyalkyl acrylate or methacrylate (e.g. hydroxyethyl and hydroxypropyl methacrylate), optionally in the presence of (meth)acrylate monomers which are not reactive with the anhydride groups of the polymer and which act as an additional diluent. The polymer may be prepared by conventional free radical polymerization techniques using maleic, citraconic, and/or itaconic anhydride and an ethylenically unsaturated monomer (e.g. C.sub.1 -C.sub.10 alkyl acrylates or methacrylates or styrene).

REFERENCES:
patent: 4104241 (1978-08-01), Roberts et al.

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