Pigmentation of plastic materials

High melting thermoplastic polymeric materials are coloured maroon by the incorporation of 1:11:5:111-trianthrimide and are subsequently made into the desired shape. Exemplified materials are low density polyethylene, stereoregular polypropylene, polystyrene, polymethyl methacrylate and an unspecifi...

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1. Verfasser: DEVERELL-SMITH RAYMOND
Format: Patent
Sprache:eng
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Zusammenfassung:High melting thermoplastic polymeric materials are coloured maroon by the incorporation of 1:11:5:111-trianthrimide and are subsequently made into the desired shape. Exemplified materials are low density polyethylene, stereoregular polypropylene, polystyrene, polymethyl methacrylate and an unspecified unsaturated polyester which is polymerized on to a glass fibre mat.