C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
402/147
C07D 251/34 (2006.01) C08G 18/42 (2006.01) C08G 18/67 (2006.01) C08G 18/79 (2006.01) C08G 18/81 (2006.01) C09D 175/00 (2006.01)
Patent
CA 1302625
A PROCESS FOR THE PRODUCTION OF COMPOUNDS CONTAINING ISO- CYANURATE GROUPS AND OLEFINIC DOUBLE BONDS AND THEIR USE AS BINDERS ABSTRACT OF THE DISCLOSURE Binders which are hardenable by radiation or peroxides and are useful in coating compositions are compounds containing isocyanurate groups and olefinic double bonds produced by the reaction of components a), b) and c) wherein a) is a polyisocyanate component containing isocyanurate polyisocyanates which is (i) N,N',N"-tris-(isocyanatohexyl)-isocyanurate alone or in admixture with its higher homologs containing more than one isocyanurate ring or (ii) mixtures of the polyisocyanates (i) with up to 40 NCO-equivalent-%, based on the total component a), of other polyisocyanates containing aliphatically or cycloaliphatically bound isocyanate groups; b) is an olefinically unsaturated alcohol component comprising at least one hydroxyalkyl ester of acrylic acid or methacrylic acid; and c) is a polyol component consisting essentially of a polyester polyol having an OH value of 80 to 350 based on (i) an acid component, of which at least 80 carboxyl equivalent-% is adipic acid, isophthalic acid or a mixture of both and (ii) a polyhydroxy component of which at least 70 hydroxyl equivalent-% is hexane-1, 6-diol; LeA 25 649=US wherein component c) amounts to 20 to 150% by weight, based on the weight of component b), and the reaction is carried out at with an NCO:OH equivalent ratio maintained at 0.9:1 to 1.1:1, and wherein components b) and c) are reacted with the polyisocyanate component in any order or in admixture.
581839
Bock Manfred
Meixner Jurgen
Pedain Josef
Schonfelder Manfred
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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