发明授权
US4323657A Dispersions of high melting polyesters in polyhydroxyl compounds, a process for their preparation and their use in the production of polyurethanes 失效
高分子聚酯在多羟基化合物中的分散体,其制备方法及其在生产聚氨酯中的应用

Dispersions of high melting polyesters in polyhydroxyl compounds, a
process for their preparation and their use in the production of
polyurethanes
摘要:
Novel, finely divided, redispersible dispersions of high melting polyesters in low melting polyhydroxyl compounds are disclosed. Disclosed also is a process for their preparation and their use as polyol components containing fillers in the production of cellular or non-cellular polyurethanes.
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