| 摘要 |
PCT No. PCT/JP91/01713 Sec. 371 Date Jun. 18, 1992 Sec. 102(e) Date Jun. 18, 1992 PCT Filed Dec. 13, 1991 PCT Pub. No. WO92/10541 PCT Pub. Date Jun. 25, 1992.To provide a polyacetal resin composition having a minimal molding shrinkage and capable of forming a molding having good surface conditions and being resistant to friction and abrasion by solving a problem of delamination and problems posed in molding and processing when a polystyrene resin is incorporated into a polyacetal resin in order to improve its properties. A thermoplastic polystyrene resin B is incorporated into a polyacetal resin A by using a thermoplastic acrylic resin C as the third component and a combination of components A and B each having a melt flow value satisfying a specified condition as the components A and B, said components A, B and C being used in amounts of 55 to 95 parts by weight, 43 to 3 parts by weight and 20 to 2 parts by weight, respectively, for 100 parts by weight of the sum of A, B and C.
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