| abstract |
PURPOSE: To obtain the title compsn. having excellent powder flow characteristics and melt characteristics and being useful for a skin material of interior automotive trimmings, by compounding a powder compsn. consisting of a vinyl chloride resin and a plasticizer, a fine vinyl chloride resin powder and a lubricant. n CONSTITUTION: The title compsn. is obtd. by compounding a powder compsn. consisting of 100pts.wt. (hereinafter merely pts.) vinyl chloride resin (A) having a mean particle diameter of 30W300μm obtd. by suspension- or bulk-polymerizing vinyl chloride (a) and, if necessary, ethylene, propylene, vinyl acetate etc. (b) and 50W150pts. plasticizer (B) (e.g., trioctyl trimellitate), 5W50pts. fine vinyl chloride resin powder (C) having an average degree of polymn. of 500 or larger and a mean particle diameter of 0.05W2.0μm and 0.5W10pts. lubricant (D) having an m.p. of 100W200°C (e.g., ethylenebisstearamide). n COPYRIGHT: (C)1989,JPO&Japio |