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METHOD FOR INCREASING SOLID STATE POLYMERIZATION RATE OF POLYESTER POLYMERS
METHOD FOR INCREASING SOLID STATE POLYMERIZATION RATE OF POLYESTER POLYMERS
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机译:增加聚酯聚合物固态聚合速率的方法
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摘要
This invention concerns a method for increasing the polymerization rate of polyester polymers in the solid state by adding a catalytic amount of zinc p-toluenesulfonate to a polyester polymer melt that is essentially free of antimony and germanium, before solid state polymerization.
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