B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/647
B29C 67/20 (2006.01) B29C 44/12 (2006.01) B32B 5/20 (2006.01) C08J 9/02 (2006.01)
Patent
CA 1254711
ABSTRACT The invention relates to a method for producing shaped articles comprising a thermoplastics show surface and a backing layer of a rigid polyurethane or polyisocyanurate foam by applying a foamable polyurethane or polyisocyanurate composition which is substantially free from appreciable amounts of halocarbon blowing agents, in a closed mould to one face of a shaped thermoplastic sheet provided to one of the matching parts constituting said mould
512919
Nicholl Gerald N.
Wood Richard
Ballantyne Donald G.
Imperial Chemical Industries Plc
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