Title:
MOLDED POLYOLEFIN
Document Type and Number:
WIPO Patent Application WO/2011/068077
Kind Code:
A1
Abstract:
A process for producing a molded polyolefin is provided in order to use a recycled polyolefin derived mainly from domestic refuse.
A recycled polyolefin and a fresh polyolefin are used to produce a molded polyolefin which comprises a part constituted of the recycled polyolefin and a part constituted of the fresh polyolefin and has a space, for example, a hollow polyolefin fiber or hollow polyolefin pellet which comprises an outer layer of the recycled polyolefin and an inner layer of the fresh polyolefin and which has a space at the center. The process for producing the hollow polyolefin fiber or the hollow polyolefin pellet comprises: the step of melting a mixture which comprises a fresh polyolefin and a recycled polyolefin, the amount of the recycled polyolefin being 10-90 mass% when the sum of the fresh polyolefin and the recycled polyolefin is 100 mass%; the step of extruding the melt to obtain an extrudate; and the step of cooling the extrudate.
Inventors:
NAKAMURA Seiji (2953-36, Onojimachi Machida-sh, Tokyo 64, 〒1950064, JP)
中村 聖二 (〒64 東京都町田市小野路町２９５３－３６ Tokyo, 〒1950064, JP)
中村 聖二 (〒64 東京都町田市小野路町２９５３－３６ Tokyo, 〒1950064, JP)
Application Number:
JP2010/071101
Publication Date:
June 09, 2011
Filing Date:
November 26, 2010
Export Citation:
Assignee:
Tokyo Advanced Technologies Incorporated (2953-36, Onojimachi Machida-sh, Tokyo 64, 〒1950064, JP)
株式会社東京アドバンスドテクノロジーズ (〒64 東京都町田市小野路町２９５３－３６ Tokyo, 〒1950064, JP)
Itochu Plastics Incorporated (12-1, Dohgenzaka 1-chome Shibuya-k, Tokyo 25, 〒1508525, JP)
伊藤忠プラスチックス株式会社 (〒25 東京都渋谷区道玄坂１丁目１２番１号 Tokyo, 〒1508525, JP)
株式会社東京アドバンスドテクノロジーズ (〒64 東京都町田市小野路町２９５３－３６ Tokyo, 〒1950064, JP)
Itochu Plastics Incorporated (12-1, Dohgenzaka 1-chome Shibuya-k, Tokyo 25, 〒1508525, JP)
伊藤忠プラスチックス株式会社 (〒25 東京都渋谷区道玄坂１丁目１２番１号 Tokyo, 〒1508525, JP)
International Classes:
D01F8/06; B29B9/06; C08J9/00; C08L23/00; D01D5/24; D01F6/46
Attorney, Agent or Firm:
OKADA Noriko (C/O Athena International Patent Firm, 29-13-202 Hatchobori 2-chome, Chuo-k, Tokyo 32, 〒1040032, JP)
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