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KR910003168A - Flash-Spinning of Anhydrous Polymerizable Flexilafil-like Film-Fibril Strands - Google Patents

Flash-Spinning of Anhydrous Polymerizable Flexilafil-like Film-Fibril Strands Download PDF

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Publication number
KR910003168A
KR910003168A KR1019890012662A KR890012662A KR910003168A KR 910003168 A KR910003168 A KR 910003168A KR 1019890012662 A KR1019890012662 A KR 1019890012662A KR 890012662 A KR890012662 A KR 890012662A KR 910003168 A KR910003168 A KR 910003168A
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KR
South Korea
Prior art keywords
weight percent
spinning
flash
carbon dioxide
methylene chloride
Prior art date
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Application number
KR1019890012662A
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Korean (ko)
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KR0132668B1 (en
Inventor
메이요 코츠 돈
레이 플래허티 켈리
스테펜 휴바드 게리
신 현국
Original Assignee
이. 아이. 듀 퐁 드 네모아 앤드 캄파니
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Priority claimed from US07/382,092 external-priority patent/US5043109A/en
Application filed by 이. 아이. 듀 퐁 드 네모아 앤드 캄파니 filed Critical 이. 아이. 듀 퐁 드 네모아 앤드 캄파니
Publication of KR910003168A publication Critical patent/KR910003168A/en
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Publication of KR0132668B1 publication Critical patent/KR0132668B1/en
Anticipated expiration legal-status Critical
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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/42—Formation of filaments, threads, or the like by cutting films into narrow ribbons or filaments or by fibrillation of films or filaments
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/11—Flash-spinning

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)

Abstract

내용 없음.No content.

Description

무수 중합성 플렉시필라멘트상 필름-피브릴 스트랜드의 플래쉬-방사법Flash-Spinning of Anhydrous Polymerizable Flexilafil-like Film-Fibril Strands

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (6)

염화메틸렌, 섬유-형성 폴리올레핀 및 이산화 탄소를 함유하는 방사혼합물을 형성한 다음, 방사혼합물의 자생압 이상의 압력에서, 실질적으로 낮은 온도 및 압력 부위로 플래쉬-방사시켜 중합성 플렉시필라멘트상필름-피브릴 스트랜드를 플래쉬-방사시키는 방법에 있어서 ; 방사혼합물의 중량을 기준으로 하여, 9내지 25중량％의 이산화탄소, 18내지 33중량％의 폴리올레핀, 및 42내지 73중량％의 염화메틸렌을 혼합하여 함유하는 실질적으로 무수 스트랜드를 제조하며, 이때 폴리올레핀 혼합단계 및 플레쉬-방사단계를 130내지 220℃에서 수행함을 특징으로 하는 방법.After forming a spinning mixture containing methylene chloride, fiber-forming polyolefin, and carbon dioxide, and then flash-spinning to a substantially low temperature and pressure site at pressures above the autogenous pressure of the spinning mixture, the polymerizable plexi-filament-like film-fibrils In the method of flash-spinning strands; Based on the weight of the spinning mixture, a substantially dry strand is prepared comprising a mixture of 9-25 wt% carbon dioxide, 18-33 wt% polyolefin, and 42-73 wt% methylene chloride, wherein the polyolefin mix And the flash-spinning step is carried out at 130 to 220 ° C. 제1항에 있어서, 섬유-형성 폴리올레핀이 폴리에틸렌인 방법.The method of claim 1 wherein the fiber-forming polyolefin is polyethylene. 제1항에 있어서, 섬유-형성 폴리올레핀이 폴리 프로필렌인 방법.The method of claim 1 wherein the fiber-forming polyolefin is polypropylene. 섬유-형성 폴리올레핀 18내지 33중량％, 염화 메틸렌 42내지 73중량％, 및 이산화탄소 9내지 25중량％를 함유하는 용액.A solution containing 18 to 33 weight percent fiber-forming polyolefin, 42 to 73 weight percent methylene chloride, and 9 to 25 weight percent carbon dioxide. 폴리에틸렌 18내지 33중량％, 염화메틸렌 42내지 73중량％, 및 이산화탄소 9내지 25중량％를 함유하는 용액.A solution containing 18 to 33 weight percent polyethylene, 42 to 73 weight percent methylene chloride, and 9 to 25 weight percent carbon dioxide. 폴리프로필렌 18내지 33중량％, 염화메틸렌 42내지 73중량％, 및 이산화탄소 9내지 25중량％를 함유하는 용액.A solution containing 18 to 33 weight percent polypropylene, 42 to 73 weight percent methylene chloride, and 9 to 25 weight percent carbon dioxide. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890012662A 1988-08-30 1989-08-30 Process for flash-spinning dry polymeric plexifilamentary film-fibril strand Expired - Fee Related KR0132668B1 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US23863988A 1988-08-30 1988-08-30
US?238,639? 1988-08-30
US238,639 1988-08-30
US37817789A 1989-07-14 1989-07-14
US?378,177? 1989-07-14
US07/382,092 US5043109A (en) 1988-08-30 1989-07-24 Process for flash-spinning dry polymeric plexifilamentary film-fibril strands
US?382,092? 1989-07-24
US382,092 1989-07-24

Publications (2)

Publication Number Publication Date
KR910003168A true KR910003168A (en) 1991-02-27
KR0132668B1 KR0132668B1 (en) 1998-04-16

Family

ID=27399129

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890012662A Expired - Fee Related KR0132668B1 (en) 1988-08-30 1989-08-30 Process for flash-spinning dry polymeric plexifilamentary film-fibril strand

Country Status (3)

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EP (1) EP0357364B1 (en)
KR (1) KR0132668B1 (en)
CA (1) CA1335917C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5147586A (en) * 1991-02-22 1992-09-15 E. I. Du Pont De Nemours And Company Flash-spinning polymeric plexifilaments
EP0527019B1 (en) * 1991-08-03 1999-04-21 Asahi Kasei Kogyo Kabushiki Kaisha Halogen group solvent and solution using said solvent and process for producing three-dimensional fiber
US5643524A (en) * 1994-12-30 1997-07-01 E. I. Du Pont De Nemours And Company Corona charging of flash spun plexifilamentary film-fibril webs in poor charging environments
IL133081A (en) * 1997-07-01 2005-09-25 Pfizer Prod Inc Delayed release dosage forms of sertraline
CN114908478B (en) * 2021-03-18 2023-11-24 江苏青昀新材料有限公司 Light and thin flash evaporation polymer non-woven fabric
CN115537959B (en) * 2021-09-28 2023-05-05 江苏青昀新材料有限公司 Composite material

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3081519A (en) * 1962-01-31 1963-03-19 Fibrillated strand
NL300881A (en) * 1962-11-23

Also Published As

Publication number Publication date
CA1335917C (en) 1995-06-13
EP0357364A2 (en) 1990-03-07
KR0132668B1 (en) 1998-04-16
EP0357364A3 (en) 1990-03-28
EP0357364B1 (en) 1993-07-28

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