KR910016821A - 폴리테트라플루오로에틸렌 입상 분말의 제조방법 - Google Patents

폴리테트라플루오로에틸렌 입상 분말의 제조방법 Download PDF

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Publication number
KR910016821A
KR910016821A KR1019910003769A KR910003769A KR910016821A KR 910016821 A KR910016821 A KR 910016821A KR 1019910003769 A KR1019910003769 A KR 1019910003769A KR 910003769 A KR910003769 A KR 910003769A KR 910016821 A KR910016821 A KR 910016821A
Authority
KR
South Korea
Prior art keywords
granular powder
aggregate
polytetrafluoroethylene granular
producing polytetrafluoroethylene
producing
Prior art date
Application number
KR1019910003769A
Other languages
English (en)
Inventor
다쓰오 스에요시
신고 다니가와
도시오 나까시마
Original Assignee
야마다 미노루
다이낑고오교가부시끼가이샤
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 야마다 미노루, 다이낑고오교가부시끼가이샤 filed Critical 야마다 미노루
Publication of KR910016821A publication Critical patent/KR910016821A/ko

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/16—Powdering or granulating by coagulating dispersions
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

내용 없음

Description

폴리테트라플루오로에틸렌 입상 분말의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 제조에 사용된 장치의 정면도를 나타낸 것이고, 제3도는 분말 유동성을 측정하는 장치의 측면도를 나타낸 것이고, 제5도는 각 시험예의 성형 주기에서, 수득한 예비 성형품을 중량 변화를 나타낸 것이다.

Claims (1)

  1. 수성 매질의 교반 기작과 응집체의 분쇄 기작을 갖는 60~100℃의 온도 범위의 장치 내에서, 유기 용매를 함유하지 않는 수성 매질 내에서 평균 입자 크기가 600㎛ 이하인 미립 폴리테트라플루오로에틸렌 분말의 1차 입자를 교반하여 응집체를 형성하면서, 응집체를 분쇄함을 특징으로 하는 폴리테트라플루오로에틸렌 입상 분말의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910003769A 1990-03-08 1991-03-08 폴리테트라플루오로에틸렌 입상 분말의 제조방법 KR910016821A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2059296A JP3000609B2 (ja) 1990-03-08 1990-03-08 ポリテトラフルオロエチレン粒状粉末の製法
JP59296/1990 1990-03-08

Publications (1)

Publication Number Publication Date
KR910016821A true KR910016821A (ko) 1991-11-05

Family

ID=13109273

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910003769A KR910016821A (ko) 1990-03-08 1991-03-08 폴리테트라플루오로에틸렌 입상 분말의 제조방법

Country Status (3)

Country Link
EP (1) EP0448995A1 (ko)
JP (1) JP3000609B2 (ko)
KR (1) KR910016821A (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0816416A4 (en) * 1995-03-15 1998-10-28 Daikin Ind Ltd PROCESS FOR THE PREPARATION OF POLYTETRAFLUOROETHYLENE MOLDING POWDER
CN1077117C (zh) * 1995-10-27 2002-01-02 大金工业株式会社 加入了填料的聚四氟乙烯粒状粉末及其制法
EP0861866B1 (en) * 1995-11-09 2003-10-22 Daikin Industries, Ltd. Granulated powder of polytetrafluoroethylene for molding and process for the production thereof
JP3666210B2 (ja) 1997-07-24 2005-06-29 旭硝子株式会社 ポリテトラフルオロエチレン造粒粉末の製造法
KR20010024038A (ko) * 1997-10-03 2001-03-26 이노우에 노리유끼 폴리테트라플루오로에틸렌 입상 분말의 정립법
JPH11236454A (ja) * 1998-02-24 1999-08-31 Du Pont Mitsui Fluorochem Co Ltd ポリテトラフルオロエチレン造粒粉末の製造方法
EP1449866A4 (en) 2001-10-24 2007-04-11 Daikin Ind Ltd PTFE POWDER AND CORRESPONDING PRODUCTION METHOD FOR MOLDING

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA853272A (en) * 1970-10-06 F. Anderson Roland Polytetrafluoroethylene molding powder and its preparation
US3115486A (en) * 1960-11-30 1963-12-24 Du Pont Process for the preparation of polytetrafluoroethylene molding powder
US4123606A (en) * 1977-09-21 1978-10-31 E. I. Du Pont De Nemours And Company Deagglomeration process
JP2701434B2 (ja) * 1989-03-14 1998-01-21 ダイキン工業株式会社 ポリテトラフルオロエチレンの湿潤パウダーの連続製造法

Also Published As

Publication number Publication date
EP0448995A1 (en) 1991-10-02
JPH03259925A (ja) 1991-11-20
JP3000609B2 (ja) 2000-01-17

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