KR900004979A - Manufacturing method of polypropylene for optical cable or wire sheath - Google Patents

Manufacturing method of polypropylene for optical cable or wire sheath Download PDF

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Publication number
KR900004979A
KR900004979A KR1019880012037A KR880012037A KR900004979A KR 900004979 A KR900004979 A KR 900004979A KR 1019880012037 A KR1019880012037 A KR 1019880012037A KR 880012037 A KR880012037 A KR 880012037A KR 900004979 A KR900004979 A KR 900004979A
Authority
KR
South Korea
Prior art keywords
polypropylene
manufacturing
optical cable
electric wire
wire sheath
Prior art date
Application number
KR1019880012037A
Other languages
Korean (ko)
Other versions
KR910003065B1 (en
Inventor
정한인
박정우
김용섭
Original Assignee
배기은
동양나이론 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 배기은, 동양나이론 주식회사 filed Critical 배기은
Priority to KR1019880012037A priority Critical patent/KR910003065B1/en
Publication of KR900004979A publication Critical patent/KR900004979A/en
Application granted granted Critical
Publication of KR910003065B1 publication Critical patent/KR910003065B1/en

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
    • D01F6/06—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
    • 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

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Artificial Filaments (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

내용 없음.No content.

Description

광케이블 또는 전선피복용 폴리프로필렌사의 제조방법Manufacturing method of polypropylene for optical cable or wire sheath

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

Claims (4)

용융지수가 6-15인 폴리프로필렌수지를 T-다이 또는 인플레이션장치가 부착된 압출기를 이용 필름상으로 압출한 후 적정폭으로 절단하고 다단연신하여 기모한 후 열처리하여 권취시키는 것을 특징으로 하는 광케이블 또는 전선 피복용 폴리프로필렌사의 제조방법.An optical cable characterized in that the polypropylene resin having a melt index of 6-15 is extruded into a film using an extruder with a T-die or an inflation apparatus, cut into appropriate widths, multi-stretched and brushed, and then heat-treated and wound up. Manufacturing method of polypropylene company for electric wire coating. 제1항에 있어서 다단연신은 3단 연신이며, 총연신비가 6.0임을 특징으로 하는 광케이블 또는 전선 피복용 폴리프로필렌사의 제조방법.2. The method of claim 1, wherein the multistage stretching is three stages of stretching, and the total draw ratio is 6.0. 제1항에 있어서 기모는 침의 밀도가 10본/㎠이상인 침포형 실린더 타입의 롤라를 사용하며 과급 또는 이완상태에서 행하는 것을 특징으로 하는 광케이블 또는 전선 피복용 폴리프로필렌사의 제조방법.The method for manufacturing an optical cable or electric wire covering polypropylene yarn according to claim 1, wherein the raising is performed in a supercharged or relaxed state by using a needle-type cylinder-type roller having a needle density of 10 or more per square centimeter. 제1항에 있어서, 열처리를 150℃에서 20초간 처리함을 특징으로 하는 광케이블 또는 전선 피복용 폴리프로필렌사의 제조방법.The method of claim 1, wherein the heat treatment is performed at 150 ° C. for 20 seconds. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880012037A 1988-09-16 1988-09-16 Manufacturing method of polypropilene yarn KR910003065B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880012037A KR910003065B1 (en) 1988-09-16 1988-09-16 Manufacturing method of polypropilene yarn

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880012037A KR910003065B1 (en) 1988-09-16 1988-09-16 Manufacturing method of polypropilene yarn

Publications (2)

Publication Number Publication Date
KR900004979A true KR900004979A (en) 1990-04-13
KR910003065B1 KR910003065B1 (en) 1991-05-17

Family

ID=19277824

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880012037A KR910003065B1 (en) 1988-09-16 1988-09-16 Manufacturing method of polypropilene yarn

Country Status (1)

Country Link
KR (1) KR910003065B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010002581A (en) * 1999-06-16 2001-01-15 홍순달 A method of manufacturing for nylon flat yarn

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101243470B1 (en) * 2013-01-22 2013-03-13 김건 Low-shrinkage polypropylene yarn for sea-bottom cable protection, and sea-bottom cable using the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010002581A (en) * 1999-06-16 2001-01-15 홍순달 A method of manufacturing for nylon flat yarn

Also Published As

Publication number Publication date
KR910003065B1 (en) 1991-05-17

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