Polyolefin composition

Details Polyolefin composition Polyolefin composition

1977-03-24

1978-06-13

Derrington, James H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08K 334

Patent

active

040948544

ABSTRACT:
Polyolefin compositions comprising (I) crystalline polyolefin and (II) a mixture of inorganic fillers 5 to 45% by weight based on the total weight of said polyolefin and mixture, said mixture comprising (1) 40 to 95% by weight of a powder of a mixture of predominant calcium metasilicate and 0.2 to 20% by weight of calcium carbonate, said powder being in the long and narrow shape and more than 98% by weight thereof being passable through a 200-mesh Tyler's standard sieve, and (2) 60 to 5% by weight of hydrated magneium silicate powder which is passable through a 325-mesh Tyler's standard sieve.

REFERENCES:
patent: 3157614 (1964-11-01), Fischer
patent: 3457216 (1969-07-01), Dew
Woke, William C., Fillers for Plastics, I Liffe Books, London, 1971, pp. 31 & 33.

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