GB1476272A - Sintered particles of tetrafluoroethylene polymers and process for their preparation - Google Patents
Sintered particles of tetrafluoroethylene polymers and process for their preparationInfo
- Publication number
- GB1476272A GB1476272A GB764275A GB764275A GB1476272A GB 1476272 A GB1476272 A GB 1476272A GB 764275 A GB764275 A GB 764275A GB 764275 A GB764275 A GB 764275A GB 1476272 A GB1476272 A GB 1476272A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polymer
- particles
- dispersion
- sintered particles
- sintering temperature
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
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
- C08J3/122—Pulverisation by spraying
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions 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; Compositions of derivatives of such polymers
- C08L27/02—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2189674A JPS5313229B2 (US20050192411A1-20050901-C00001.png) | 1974-02-26 | 1974-02-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1476272A true GB1476272A (en) | 1977-06-10 |
Family
ID=12067861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB764275A Expired GB1476272A (en) | 1974-02-26 | 1975-02-24 | Sintered particles of tetrafluoroethylene polymers and process for their preparation |
Country Status (7)
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2242431A (en) * | 1990-03-31 | 1991-10-02 | Gore & Ass | Porous PTFE structures |
US5677031A (en) * | 1990-03-31 | 1997-10-14 | W. L. Gore & Associates, Inc. | Porous PTFE structures |
EP1059333A1 (en) * | 1998-02-24 | 2000-12-13 | Asahi Glass Fluoropolymers Co., Ltd. | Aqueous polytetrafluoroethylene dispersion composition |
EP1246875A1 (en) * | 1999-12-02 | 2002-10-09 | Lexmark International, Inc. | Wet rub resistant ink compositions |
CN113146881A (zh) * | 2020-09-07 | 2021-07-23 | 江西理工大学南昌校区 | 高分子粉体球化装置及制备球形粉体材料的方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2635195A (en) * | 1995-01-09 | 1996-07-31 | W.L. Gore & Associates, Inc. | Lightweight hardened protective coating and method for making and using same |
-
1974
- 1974-02-26 JP JP2189674A patent/JPS5313229B2/ja not_active Expired
-
1975
- 1975-02-24 CA CA220,935A patent/CA1050719A/en not_active Expired
- 1975-02-24 GB GB764275A patent/GB1476272A/en not_active Expired
- 1975-02-25 FR FR7505781A patent/FR2262069B1/fr not_active Expired
- 1975-02-25 IT IT7520675A patent/IT1033208B/it active
- 1975-02-26 DE DE2508361A patent/DE2508361C2/de not_active Expired
- 1975-02-26 NL NLAANVRAGE7502295,A patent/NL180395C/xx not_active IP Right Cessation
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2242431A (en) * | 1990-03-31 | 1991-10-02 | Gore & Ass | Porous PTFE structures |
GB2242431B (en) * | 1990-03-31 | 1994-05-11 | Gore & Ass | Porous PTFE structures |
US5677031A (en) * | 1990-03-31 | 1997-10-14 | W. L. Gore & Associates, Inc. | Porous PTFE structures |
EP1059333A1 (en) * | 1998-02-24 | 2000-12-13 | Asahi Glass Fluoropolymers Co., Ltd. | Aqueous polytetrafluoroethylene dispersion composition |
EP1059333A4 (en) * | 1998-02-24 | 2002-01-30 | Asahi Glass Fluoropolymers Co | AQUEOUS POLYTETRAFLUOROETHYLENE DISPERSION COMPOSITION |
US6498207B1 (en) | 1998-02-24 | 2002-12-24 | Asahi Glass Fluoropolymers Co. Ltd. | Aqueous polytetrafluoroethylene dispersion composition |
EP1359194A1 (en) * | 1998-02-24 | 2003-11-05 | Asahi Glass Fluoropolymers Co., Ltd. | Polytetrafluoroethylene aqueous dispersion composition |
EP1246875A1 (en) * | 1999-12-02 | 2002-10-09 | Lexmark International, Inc. | Wet rub resistant ink compositions |
EP1246875A4 (en) * | 1999-12-02 | 2005-12-14 | Lexmark Int Inc | WET FRICTION RESISTANT INK COMPOSITIONS |
CN113146881A (zh) * | 2020-09-07 | 2021-07-23 | 江西理工大学南昌校区 | 高分子粉体球化装置及制备球形粉体材料的方法 |
Also Published As
Publication number | Publication date |
---|---|
DE2508361C2 (de) | 1985-04-11 |
IT1033208B (it) | 1979-07-10 |
DE2508361A1 (de) | 1975-08-28 |
NL180395B (nl) | 1986-09-16 |
FR2262069A1 (US20050192411A1-20050901-C00001.png) | 1975-09-19 |
JPS50114447A (US20050192411A1-20050901-C00001.png) | 1975-09-08 |
FR2262069B1 (US20050192411A1-20050901-C00001.png) | 1979-03-02 |
NL180395C (nl) | 1987-02-16 |
NL7502295A (nl) | 1975-08-28 |
JPS5313229B2 (US20050192411A1-20050901-C00001.png) | 1978-05-09 |
CA1050719A (en) | 1979-03-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3586654A (en) | Process for the preparation of polymer powders of controlled particle shape,size and size distribution and product | |
US3953412A (en) | Sintered micro-powder of tetrafluoroethylene polymers | |
US3166613A (en) | Polyolefin powder process | |
EP1995269B1 (en) | PTFE powder and method of producing PTFE molding powders | |
EP0283246A2 (en) | Bitumen emulsions | |
US4036718A (en) | Process for preparing a friable tetrafluoroethylene polymer powder from unsintered coagulated dispersion grade tetrafluoroethylene polymer | |
US7888407B2 (en) | Disperse non-polyalphaolefin drag reducing polymers | |
KR100571318B1 (ko) | 충전제 함유 폴리테트라플루오로에틸렌 입상 분말 및 그 제법 | |
US3472801A (en) | Method of making particulate polymer foams | |
JP6508307B2 (ja) | ポリテトラフルオロエチレンモールディングパウダーの製造方法およびポリテトラフルオロエチレン造粒物の製造方法 | |
WO2017030094A1 (ja) | 変性ポリテトラフルオロエチレンの水性乳化液、ファインパウダーおよび延伸多孔体の製造方法 | |
GB1476272A (en) | Sintered particles of tetrafluoroethylene polymers and process for their preparation | |
RU2283321C2 (ru) | Непрерывный способ коагуляции мелкодисперсных порошков политетрафторэтилена или модифицированного политетрафторэтилена, мелкодисперсные порошки политетрафторэтилена или модифицированного политетрафторэтилена, полученные этим способом | |
US4642262A (en) | Method of making fibrids from thermoplastics | |
KR20070115980A (ko) | 응고 라텍스 입자의 제조 방법 | |
US4216265A (en) | Aftertreatment of thermally pretreated tetrafluoroethylene polymers and the polymer powders obtained | |
EP0889928A1 (en) | Granular-type polytetrafluoroethylene dispersions and fused articles prepared therefrom | |
KR100951627B1 (ko) | 폴리테트라플루오로에틸렌의 응집 펠릿의 제조 방법 및이의 성형품 | |
EP0861865A1 (en) | Granulated powder of filled polytetrafluoroethylene for molding and process for the production thereof | |
KR910004523B1 (ko) | 저유전율 복합재료 | |
KR20010006388A (ko) | 충전제 첨가 폴리테트라플루오로에틸렌 입상분말 및 그의 제법 | |
US4781753A (en) | Process for producing fine spherical particles from non-flowing powders | |
CA1050717A (en) | Process for preparing sintered tetrafluorethylene polymer resins | |
US3591569A (en) | Free-flowing sintered granules of thermoplastic organic polymers | |
US4224260A (en) | Production of metal powder |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |