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homogeneous mixture vesentligen permanent of a sampolyeterester and a polymeric plasticizer, which utgores of a polyeterester or a sampolyeterester
homogeneous mixture vesentligen permanent of a sampolyeterester and a polymeric plasticizer, which utgores of a polyeterester or a sampolyeterester
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机译:均聚酯和高分子增塑剂的均相混合永久性永久溶剂,可防止聚酯或三聚酯的杂化
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摘要
A substantially uniform blend of (A) at least one copolyetherester having a melting point of at least 120 DEG C. which is prepared from a dicarboxylic acid, a low molecular weight diol and poly(tetramethylene oxide) glycol and (B) at least one polyetherester, which may be a copolymer. If a polyetherester is to be utilized it is prepared from poly(tetramethylene oxide) glycol and a dicarboxylic acid. If a polyetherester copolymer is to be utilized it is prepared from a dicarboxylic acid, a low molecular weight diol and poly(tetramethylene oxide) glycol. In any event, component (B) must be noncrystalline above 0 DEG C. and have an inherent viscosity above about 0.3.
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