Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1977-12-09
1980-05-27
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
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
Patent
active
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.
Ishikura Shin-ichi
Mizuguchi Ryuzo
Takahashi Atsushi
Uenaka Akimitsu
Lilling Herbert J.
Nippon Paint Co. Ltd.
Schofer Joseph L.
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