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Preliminarily foamed particles of non-crosslinked polypropylene-type resin 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C08J-009/22
출원번호 US-0673917 (1984-11-21)
우선권정보 JP-0219134 (1983-11-21)
발명자 / 주소
  • Kuwabara Hideki (Hadano JPX) Sudo Yoshimi (Chigasaki JPX)
출원인 / 주소
  • Japan Styrene Paper Corporation (Tokyo JPX 03)
인용정보 피인용 횟수 : 20  인용 특허 : 7

초록

Preliminarily foamed particles of a non-crosslinked polypropylene resin based on an alpha-olefin/propylene random copolymer having an amount of the heat of crystallization in the range of 5 to 15 cal/g, said preliminarily foamed particles having such a crystal structure that when a DSC curve is draw

대표청구항

Preliminarily foamed particles of a non-crosslinked polypropylene resin based on an alpha-olefin having 4 to 6 carbon atoms/propylene random copolymer having an amount of the heat of crystallization in the range of 5 to 15 cal/g, said preliminarily foamed particles having such a crystal structure th

이 특허에 인용된 특허 (7)

  1. Senda Kenichi (Hirakata JPX) Ando Masao (Toyonaka JPX) Nakamura Kyoichi (Settsu JPX) Mori Kiyoshi (Kakogawa JPX) Nishida Tatehiko (Ibaraki JPX), Expanded particles of polyolefin resin and process for producing same.
  2. Hirosawa, Kuninori; Shimada, Sumio, Pre-foamed particles of polypropylene resin and process for production thereof.
  3. Akiyama Hiroyuki (Hiratsuka JPX) Izawa Susumu (Utsunomiya JPX) Hirosawa Kuninori (Isehara JPX) Inada Hideharu (Hiratsuka JPX), Process for producing foamed polyolefin articles from aged pre-foamed particles of polyolefin resins.
  4. Akiyama Hiroyuki (Hiratsuka JPX) Shimada Sumio (Kanuma JPX) Hirosawa Kuninori (Isehara JPX) Kuwabara Hideki (Hatano JPX), Process for producing pre-foamed particles of polyolefin resin.
  5. Kuwabara Hideki (Hatano JPX) Yoshimura Shohei (Tomioka JPX) Yamaguchi Toru (Hiratsuka JPX) Sudo Yoshimi (Fujisawa JPX), Process for producing pre-foamed particles of polypropylene resin.
  6. Yoshimura Shohei (Tomioka JPX) Kuwabara Hideki (Hatano JPX), Process for producing prefoamed polymer particles.
  7. Ushirokawa Masahiro (Settsu JPX) Iwahama Takeshi (Yao JPX) Senda Kenichi (Akashi JPX), Water-impermeable polyolefin foam and process for preparing the same.

이 특허를 인용한 특허 (20)

  1. Tanaka Haruhiko (Ohtake JPX) Kagawa Fukashi (Yamaguchi JPX) Nakashima Kouji (Hiroshima JPX), Composition for non-crosslinked foam.
  2. Tanaka Haruhiko (Ohtake JPX) Kagawa Fukashi (Yamaguchi JPX) Nakashima Kouji (Hiroshima JPX), Composition for non-crosslinked foam.
  3. Maruhashi, Shotaro; Wakishige, Katsuhiko; Ueda, Yuichi; Oohara, Hidekazu, Expandable styrene resin beads and foams produced therefrom.
  4. Oikawa Masaharu,JPX ; Tsurugai Kazuo,JPX ; Tokoro Hisao,JPX, Expanded particles of polyolefin resin and process for preparing the same.
  5. Sasaki Hidehiro,JPX ; Sakaguchi Masakazu,JPX ; Akiyama Mitsuhiro,JPX ; Tokoro Hisao,JPX, Expanded polypropylene resin beads and a molded article.
  6. Sasaki Hidehiro,JPX ; Sakaguchi Masakazu,JPX ; Akiyama Mitsuhiro,JPX ; Tokoro Hisao,JPX, Foamed and expanded beads of polypropylene resin for molding.
  7. Tsurugai Kazuo,JPX ; Tokoro Hisao,JPX ; Oikawa Masaharu,JPX, Foamed particles of polypropylene homopolymer and molded article of the foamed particles.
  8. Pontiff Thomas M. (Gansevoort NY), Moldable shrunken thermoplastic polymer foam beads.
  9. Shioya Satoru,JPX ; Hira Akinobu,JPX ; Sasaki Hidehiro,JPX ; Tokoro Hisao,JPX, Molded article of foamed and expanded beads of propylene resin.
  10. Tokoro, Hisao; Yamazaki, Hiroshi; Shioya, Satoru; Shinohara, Mitsuru; Hira, Akinobu, Molded body of thermoplastic resin having sound absorption characteristics.
  11. Tanaka Haruhiko (Ohtake JPX) Kagawa Fukashi (Yamaguchi JPX) Nakashima Kouji (Hiroshima JPX), Non-crosslinked foam.
  12. Takema Yamaguchi JP; Minori Yamaguchi JP; Kenichi Senda JP, Polypropylene resin pre-expanded particles.
  13. Kuwabara Hideki (Hadano JPX) Yoshimura Shohei (Tomioka JPX), Polypropylene resin prefoamed particles.
  14. Yamaguchi, Takema; Iwamoto, Tomonori; Yamaguchi, Minori; Senda, Kenichi, Pre-expanded polypropylene resin beads and process for producing molded object therefrom by in-mold foaming.
  15. Kuwabara Hideki (Hadano JPX) Hashiba Masahiro (Isehara JPX) Naito Masato (Hiratsuka JPX), Pre-foamed particles of uncrosslinked, linear low-density polyethylene and production method thereof.
  16. Ichimura Tadayuki (Kakogawa JPX) Senda Kenichi (Hirakata JPX) Ando Masao (Toyonaka JPX) Maeda Hirofumi (Takatsuki JPX), Process for preparing pre-expanded particles of thermoplastic resin.
  17. Kamiyama, Makoto; Ishikawa, Hideo, Production apparatus of expansion-molded article, auxiliary member for transfer of foamed particles and production method of expansion-molded article.
  18. Kuwabara Hideki (Hadano JPX) Kanbe Masato (Hiratsuka JPX), Production method of expansion-molded article of polypropylene resin.
  19. Akiyama Hiroyuki (Hiratsuka JPX) Izawa Susumu (Utsunomiya JPX) Kuwabara Hideki (Hadano JPX), Propylene-base random copolymer particles and production process thereof.
  20. Kazuo Tsurugai JP; Hisao Tokoro JP, Shock absorbing material.
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