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High melt strength, propylene polymer, process for making it, and use thereof 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C08F-110/06
출원번호 US-0152619 (1988-02-05)
발명자 / 주소
  • Scheve B. Joseph (New Castle County DE) Mayfield John W. (New Castle County DE) DeNicola
  • Jr. Anthony J. (New Castle County DE)
출원인 / 주소
  • HIMONT Incorporated (Wilmington DE 02)
인용정보 피인용 횟수 : 120  인용 특허 : 5

초록

Disclosed is a normally solid, high molecular weight, gel-free, amorphous to predominantly crystalline, propylene polymer characterized by high melt strength due to strain hardening which is believed to be caused by free-end long chain branches of the molecular chains forming the polymer. Also discl

대표청구항

Normally solid, high molecular weight, gel-free, propylene polymer material, the branching index of which is less than 1, that has strain hardening elongational viscosity.

이 특허에 인용된 특허 (5)

  1. Hagler, Gerald E.; Hatcher, Charles S., Filamentary polypropylene and method of making.
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  3. Kikuta Kazutsune (Ichiharashi JPX) Tachibana Masami (Ichiharashi JPX) Sato Akihiro (Chibaken JPX), Process for producing a 상세보기
  • Matsunami Muneharu (Aichi JPX) Saito Toshio (Aichi JPX) Yoshida Akio (Aichi JPX) Inokuchi Nobuyuki (Aichi JPX), Seatbelt system.
  • Ueno Hiroshi (Namekawa JPX) Sezaki Eiji (Ooi JPX) Inaba Naomi (Ooi JPX) Makishima Tokuo (Kawagoe JPX) Watanabe Koh (Kunitachi JPX) Wada Shozo (Zushi JPX), Titanium trichloride catalyst and process for the production thereof.
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