Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1987-10-05
1989-01-03
Nielsen, Earl
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
523414, 523402, 5253288, 5253297, 5253306, 525374, 525386, 525523, 525533, 528 92, 528106, 528119, 528121, 2041817, C08G 5914, C09D 544, C08F 814
Patent
active
047957875
ABSTRACT:
Novel curing agents for synthetic resins containing groups capable of ester formation or amide formation and, optionally polymerizable double bonds which are Michael addition products of monocarboxylic or dicarboxylic acid esters, capable of undergoing Michael addition, with compounds containing at least two double bonds capable of undergoing Michael addition, the two components being reacted in such ratios that the Michael addition product contains at least one ester group capable of transesterification and/or transamidation and at least one polymerizable double bond.
REFERENCES:
patent: Re31022 (1982-08-01), Buchwalter et al.
patent: 4198331 (1980-04-01), Buchwalter et al.
patent: 4458054 (1984-07-01), Schmozer et al.
patent: 4544715 (1985-10-01), Paar et al.
patent: 4644036 (1987-02-01), Walz et al.
patent: 4704437 (1987-11-01), Kiessling
Hoechst AG
Nielsen Earl
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