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1.发明授权Thermoplastic moulding compositions on the basis of polyacetal and process for their preparation 失效基于聚合物的热塑性成型组合物及其制备方法
公开(公告)号：US3795715A
公开(公告)日：1974-03-05
申请号：US3795715D
申请日：1971-08-20
Applicant: HOECHST AG
Inventor： CHERDRON H , BURG K , GUTWEILER K
CPC classification number: C08L59/02 , C08L23/00 , C08L33/10 , C08L71/00 , C08L2666/02
Abstract: THE IMPACT STRENGTH OF THERMOPLASTIC POLYACETALS IS IMPROVED BY ADMIXING SMALL AMOUNTS OF POLYMERS WHICH HAVE A SOFTENING TEMPERATURE BELOW THE CRYSTALLITE MELTING POINT OF THE POLYACETAL AND A SECOND ORDER TRANSITION TEMPERATURE WITHIN THE RANGE OF FROM -120* TO +30*C. AND WHICH ARE PRESENT IN THE MIXTURE IN THE FORM OF PARTICLES OF DIAMETERS WITHIN THE RANGE OF FROM 0.1 TO 5 MICRONS. THE POLYACETALS SO MODIFIED ARE SUITABLE FOR THE MANUFACTURE OF FINISHED OR SEMI-FINISHED PRODUCTS.
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