C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
400/2014, 18/619
C08G 63/66 (2006.01) C08G 63/672 (2006.01) D01F 6/62 (2006.01) D01F 6/86 (2006.01)
Patent
CA 1316618
Abstract Elastomeric Polymers Elastomeric block co-polyesters having improved elastic and work recovery properties, a high melting point and are stable at high temperatures, have hard segments comprising at least 50 mole percent of polyethylene terephthalate groups and soft segments comprising at least 40 weight percent of the block copolyester. The soft segments, which have a defined structure, are formed by reacting phenolic compounds with a mixture of ethylene oxide and propylene oxide/butylene oxide.
581991
Dawber Stanley Royston K.
Hancock Roger Ian
Hayman Nigel Ward
Jones Kenneth Morgan
Peters Raymond
Imperial Chemical Industries Plc
Marks & Clerk
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