4-methyl-1-pentene polymer compositions

Details 4-methyl-1-pentene polymer compositions 4-methyl-1-pentene polymer compositions

1988-12-13

1991-06-18

Ivy, C. Warren

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524424, 524425, 524444, 524445, 524447, 524448, 524451, 524528, 525240, C08L 2320, C08L 2310, C08L 2324

Patent

active

050250574

ABSTRACT:
In accordance with the present invention, there are provided 4-methyl-1-pentene polymer compositions comprising 90-10 parts by weight of 4-methyl-1-pentene polymer (A), 90-10 parts by weight of propylene polymer (B) and 70-10 parts by weight of inorganic filler (C), provided that the sum of (A), (B) and (C) total to 100 parts by weight. There are also provided 4-methyl-1-pentene polymer compositions 20-3 parts by weight of .alpha.-olefin copolymer (D) in addition to the above-mentioned components (A), (B) and (C), provided that the sum of (A), (B), (C) and (D) totals to 100 parts by weight.
These compositions as illustrated above are capable of vacuum forming, injection blow-forming and the like, and they are excellent in rigidity at high temperatures, toughness at low temperature and impact strength.

REFERENCES:
patent: 4166057 (1979-08-01), Takemori
patent: 4471085 (1984-09-01), Yamomoto
patent: 4634735 (1987-01-01), Thiersault
patent: 4785045 (1988-11-01), Yonekura
patent: 4938910 (1990-07-01), Abe

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