| 摘要 |
<p>Case 3-11152/CGM 178/+ CANADA COPOLYESTER, PROCESSES FOR PRODUCING IT AND ITS USE Copolyesters formed from 1,4-butanediol and a dicarboxylic acid mixture of, relative to the polyester, 8-12 mol % of sebacic acid or of an amount equal by weight of a saturated aliphatic dicarboxylic acid having 6 to 36 C atoms, 26-32 mol % of terephthalic acid and 7.5 to 12 mol % of isophthalic acid are hot melt adhesives which are characterised by resistance to ageing even at elevated temperatures, good adhesive strength and a relatively high heat resistance of the bonded areas.</p> |
