B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 39/12 (2006.01) B29C 37/00 (2006.01) C09D 4/00 (2006.01)
Patent
CA 2191680
Molding process of articles having colour contrast areas on the surface comprising coating the surface with a colored composition polymerized before filling the mold with a polymerizable fluid composition wherein the colored composition is a fluid, stable and redispersable dispersion, comprising: a) polymerizable liquid monomers, optionally in admixture with a non-polymerizable volatile organic solvent, as a solvent; b) from 0.1 to 10% by weight of a colouring composition as inorganic pigment or from 0.0001 to 1% by weight of a pigment or organic dye; c) from 1 to 30% by weight of an urethane modified alkyd resin or urethane oil soluble in solvent a) wherein the alkyd resin has un unsaturation of the fatty acid measured as iodine value higher than or equal to 50; and the coloured composition is supported with the polymerization initiator of radical type and aged for at least 10', the component a) being at least 20% by weight of the total composition.
Bertani Marco
Marciandi Franco
Zanzottera Giorgio
Atohaas Holding C.v.
Riches Mckenzie & Herbert Llp
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