SCIENTIFIC POLYSTER COMPOSITIONS WITH REDUCED NON-REACTIVE WEIGHTING MEDICINAL PRODUCTS
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机译:非减少重量药物减少的科学聚酯组合物
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摘要
This invention relates to a process for preparing foamable branched polyester compositions having increased melt viscosity and melt strength, and a reduced level of unreacted monomeric branching agent. The process involves melt blending (A) a composition containing a polyolefin and branching agent, (B) a nucleating agent either in powder form or (B') in the form of a composition containing a polyolefin and nucleating agent, and a polyester.
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