Thermosetting resin and its production

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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260 2940A, 260 296WB, 260 296TA, 260 297NR, 260 297H, 260 332R, 526211, 526287, 526292, 526304, 526423, 260 276RW, C08F 2006, C08F22006, C08F 2800, C08J 374

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042051525

ABSTRACT:
A thermosetting resin which is a linear copolymer having a molecular weight of 10,000 to 1,000,000 and a glass transition point of -30.degree. to +80.degree. C., obtained by polymerizing in an aqueous medium a monomer mixture comprising (1) 0.1 to 50% by weight of at least one polymerizable monomer having an ampho-ionic structure, selected from the group consisting of (i) compounds representable by the formula: ##STR1## wherein R.sub.1 is a hydrogen atom or a methyl group, R.sub.2 and R.sub.3 are each, the same or different, a C.sub.1 -C.sub.6 alkyl group, A is O or NH, m.sub.1 and n.sub.1 are each, the same or different, an integer of 1 to 12 and X.sup..crclbar. is SO.sub.3.sup..crclbar., SO.sub.4.sup..crclbar. or CO.sub.2.sup..crclbar. and (ii) compounds representable by either one of the formulae: ##STR2## wherein R.sub.4 is a hydrogen atom or a methyl group, R.sub.5 is a hydrogen atom or a C.sub.1 -C.sub.3 alkyl group, m.sub.2 is an integer of 0 to 6 and n.sub.2 is an integer of 1 to 6, and A and X.sup.- are as defined above, (2) 0.5 to 70% by weight of at least one polymerizable monomer containing a reactive amide group, representable by the formula: ##STR3## wherein R.sub.6 is a hydrogen atom or a methyl group and R.sub.7 is a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group and (3) 1 to 99.4% by weight of at least one of other polymerizable monomers.

REFERENCES:
patent: 2843573 (1958-07-01), Melamed
patent: 4012353 (1977-03-01), Chasin et al.
patent: 4075183 (1978-02-01), Kawakami et al.
patent: 4129545 (1978-12-01), Sunamori et al.
Chem. Abs., vol. 80, 1974, 28611(a), Thermosetting Coating Containing Copolymer of Methylol Deriv. of Carboxylic Acid Amides & Esters.

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