Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1988-10-14
1990-03-27
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524458, C08K 320
Patent
active
049121472
ABSTRACT:
Aqueous (meth)acrylate copolymer dispersions can be prepared by polymerization of the monomers in two stages having different monomer compositions and with the concomitant use of crosslinking monomers in aqueous emulsion at the usual temperatures in the presence of the conventional emulsifiers and polymerization initiators, from 40 to 99.5% by weight of the total monomers being polymerized in the first stage and from 60 to 0.5% by weight of the total monomers being polymerized in the second stage, by a process in which from 0.5 to 10% by weight, based on the total monomers, of (meth)-acrylamidoglycollic acid and /or its methyl ester and/or its methyl ether are polymerized in the second stage and from 0 to 1.8% by weight, based on the total monomers, of the amidoglycollic acid compounds are polymerized in the first stage, and the resulting copolymer dispersions are used as binders for sheet-like textile fibrous structures.
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Angel Maximilian
Einwiller Andreas
Pfoehler Peter
Schagerer Klaus
BASF - Aktiengesellschaft
Reddick J. M.
Schofer Joseph L.
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