| abstract |
PURPOSE: To obtain a polyoxymethylene molding material having improved heat stability. n CONSTITUTION: A thermoplastic molding material contains 50-99.99 wt.% of a polyoxymethylene homopolymer or copolymer (A), a mixture (B) of a poly-ε- caprolactam (i) having a number average mol.wt. of 1000-15000 or a polycondensation product (ii) of the poly-ε-caprolactam, 2,2-di-(4-hydroxyphenyl) propane and epichlorohydrin, 0-40 wt.% of a polymer (C) modified to impart impact resistance and 0-40 wt.% of a fibrous or granular filler and a mixture thereof (D) as substantial components and shows an evaluated property spectrum, especially, good heat stability. n COPYRIGHT: (C)1992,JPO |