ADDITIVE COMPOSITION INCLUDING COUNTERAGENT

摘要

The present invention relates to an additive composition including a counteragent, and more particularly, to an additive composition for preparation of polyolefins, which improve flowability of a nucleating agent and exhibits excellent transparency, by applying a counteragent of a specific structure to a sorbitol nucleating agent which is an additive used in preparation of polyolefins.

主权项

1. An additive composition comprising:
(a) a sorbitol acetal compound; and (b) a counteragent represented by Formula 1:
(M)4+x(M)2(OH)12(An−)2/n·mH2O   [Equation 1] wherein M is at least one 2-valent metal selected from the group consisting of Mg, Ca, Co, Zn, and Ni; M is a 3-valent metal selected from the group consisting of Al, Fe, Co, Mn, and Ti; An− is an anion having a valence of n and is selected from the group consisting of CO32−, HPO42−, NO3−, SO42−, OH−, F−, Cl−, and Br−; and 0≦x≦4 and m≧0.