PURPOSE: A composition having highly balanced properties, especially balanced rigidity and impact strength, obtained by adding a specific talc and a specfied ethylene oxide compound to a crystalline propylene polymer.
CONSTITUTION: (A) Crystalline propylene polymer is blended with (B) talc having a specific surface area of ≥30,000cm2/g by air transmission method, an average particle diameter of 0.2W2.5μ by light transmission method of liquid-phase precipitation process, and a particle size distribution consisting of ≥95wt% particles having diameters of ≤10μ, ≥85wt% particles having diameter of ≤5μ, and 5W95wt% particles having diameters of ≥1μ, (C) ehtylene oxide compound shown by the formula RO(C2H4O)nH(R is R1; R1 is 8W30C alkyl or alkenyl; n is 1W100), having a HLB of 10W18 in such a way that the amount of the component A is 40W90pts.wt., that of the component B is 10W60pts.wt., and that of the component C is 0.05W5pts.wt. based on 100pts.wt. components A+B respectively.
ICHIKAWA YUKIHIKO
KOBAYASHI TOSHIO
Next Patent: RESIN COMPOSITION FOR POLYPROPYLENE FILM HAVING IMPROVED FOG RESISTANCE