ポリプロピレン系樹脂押出発泡シート、その製造方法、およびその成形体

Title:

ポリプロピレン系樹脂押出発泡シート、その製造方法、およびその成形体

Document Type and Number:

Japanese Patent JP4055540

Kind Code:

B2

Abstract:

To provide an extruded foam sheet of a polypropylene resin exhibiting excellent rigidity in particular, in addition to heat resistance and solvent resistance, and a molded product and its manufacturing method.

The polypropylene resin foam sheet has a density of 0.10 to 0.30 g/cm3and a closed-cell ratio of 50% or more. A base resin such as a polypropylene-based resin or the like contains an inorganic filler of 5 to 20 wt.% and has a cell density of 100 pieces/mm3.

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JPS5914067

[Title of the device] Scribe- type compression dehydration equipment

Inventors:

Tetsuya Shibata
Tadayoshi Okura

Application Number:

JP2002293629A

Publication Date:

March 05, 2008

Filing Date:

October 07, 2002

Export Citation:

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Assignee:

Kaneka Corporation

International Classes:

B29C47/00; C08J9/12; B29C48/305; C08K3/34; C08L23/12; B29K23/00; B29K105/04; B29K105/16; B29L7/00

Domestic Patent References:

JP7227930A

Attorney, Agent or Firm:

Takao Yanagino

Previous Patent: JP4055539

Next Patent: 車両用エンジンのトルク推定方法および装置