B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
117/199
B05D 5/08 (2006.01) C08F 222/16 (2006.01) C08F 222/38 (2006.01) C09J 7/02 (2006.01)
Patent
CA 1111162
ABSTRACT OF THE DISCLOSURE An aqueous emulsion copolymerizate produced from a monomeric mixture of: (a) 5 to 85 weight percent (relative to the total weight of the monomers) of one or more maleic acid monoamides or maleic acid monoesters whose hydrocarbon groups have chain length of 12 to 32, wherein the maleic acid monoamide and, the maleic acid monoester, can be substituted up to about one-half by fumaric acid diester; with (b) 15 to 95 weight percent (relative to the total weight of the monomers) of styrene or its derivatives, or a mixture of styrene or a styrene derivative with acrylic acid alkyl ester, wherein the constituent of the said comonomers must be so selected depending on molecular weight, so that at least one equimolar mixture of the said comonomers with the maleic acid and fumaric acid derivatives is produced; and, if required, additionally with: (c) up to 20 weight percent (relative to the total weight of the monomers) of compounds with more than one polymerizable carbon double bond or of crosslinking monomers with reactive functional groups; and/or: (d) up to 20 weight percent (relative to the total weight of the monomers) of monomers having polar carboxylic groups. The copolymerizate emulsion is applied in a thin layer onto a flat sheet or tape-like backing surface of pressure sensitive adhesive tapes and the like. The reaction is carried out by radical polymerization in emulsion at an alkaline pH.
337771
Gleichenhagen Peter
Klaass Gunter
Beiersdorf Aktiengesellschaft
Gowling Lafleur Henderson Llp
LandOfFree
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