摘要:
Disclosed is a clarifying composition mainly containing a phosphonite stabilizer composition, the main component of which is tetrakis-(2,4-di-tert-butylphenyl)-4,4-biphenylene diphosphite, with certain sorbitol based compounds having a melting point of greater than 200.degree. C., a process for preparing the clarifying compositions and polyolefin compositions containing the clarifying composition.
摘要:
Disclosed is a piperidinyl phosphite composition consisting of a piperidinyl phosphite compound and an additive having a melting point of greater than 155.degree. C. selected from the group consisting of (i) sorbitol compounds, (ii) phosphite compounds and (iii) sterically hindered phenolic compounds, and polyolefin compositions containing them.