Stock material or miscellaneous articles – Composite – Of addition polymer from unsaturated monomers
Patent
1990-01-08
1991-09-10
Lipman, Bernard
Stock material or miscellaneous articles
Composite
Of addition polymer from unsaturated monomers
427421, 5253285, 5253294, 5253297, 5253302, 525376, 526240, B32B 2700
Patent
active
050472950
ABSTRACT:
A concrete roof tile is coated with an unfilled or aggregate- and/or pigment-filled film of a copolymer containing (a) from 0.03 to 2% by weight of tin in the form of a polymerizable organotin compound (b) from 0.5 to 5% by weight of (meth)acrylic acid, (meth)acrylamide and/or vinylsulfonic acid and (c) from 0.1 to 5% by weight of carbonyl-containing monomers crosslinked with certain dicarboxodihydrazides, besides (d) at least two (meth)acrylic esters of C.sub.1 -C.sub.8 alkanols and/or styrene as copolymerized units in such an amount and such mixing ratios that the copolymer has a glass transition temperature of -15 to +10.degree. C. prior to crosslinking.
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Berg Volkmar
Dersch Rolf
Dotzauer Bernhard
Hanciogullari Harutyun
Schwartz Manfred
BASF - Aktiengesellschaft
Lipman Bernard
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