发明授权
US4321341A Thermoplastic segmented elastomeric copolyether-esters and their use as pressure-sensitive adhesives 失效
热塑性分段弹性体共聚醚酯及其作为压敏粘合剂的用途

Thermoplastic segmented elastomeric copolyether-esters and their use as
pressure-sensitive adhesives
摘要:
Thermoplastic segmented elastomeric copolyether-esters which substantially consist of a plurality of recurring short-chain and long-chain ester units linked to one another by ester bonds, the proportion of the short-chain ester units of the formula ##STR1## where R is the divalent radical remaining after removal of the carboxyl groups of aromatic dicarboxylic acids having a molecular weight of
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