BR0010770A - Pó aspersìvel, processo para a preparação de um pó aspersìvel, processo para a preparação de um pó aspersìvel de fluoropolìmero não transformável em fibrilas aperfeiçoamento no processo para revestimento por aspersão de um substrato, pó aspersìvel de fluoropolìmero não transformável em fibrilas e pó aspersìvel de fluoropolìmero processável em fusão - Google Patents
Pó aspersìvel, processo para a preparação de um pó aspersìvel, processo para a preparação de um pó aspersìvel de fluoropolìmero não transformável em fibrilas aperfeiçoamento no processo para revestimento por aspersão de um substrato, pó aspersìvel de fluoropolìmero não transformável em fibrilas e pó aspersìvel de fluoropolìmero processável em fusãoInfo
- Publication number
- BR0010770A BR0010770A BR0010770-0A BR0010770A BR0010770A BR 0010770 A BR0010770 A BR 0010770A BR 0010770 A BR0010770 A BR 0010770A BR 0010770 A BR0010770 A BR 0010770A
- Authority
- BR
- Brazil
- Prior art keywords
- powder
- sprinkling
- fluoropolymer
- fibrils
- transformed
- Prior art date
Links
Classifications
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/08—Making granules by agglomerating smaller particles
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- 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
- C09D127/00—Coating compositions based on 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; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on 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; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on 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; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/18—Homopolymers or copolymers of tetrafluoroethene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
- B29B2009/125—Micropellets, microgranules, microparticles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
- B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
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- 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
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- 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Paints Or Removers (AREA)
Abstract
"Pó ASPERSìVEL, PROCESSOS PARA A PREPARAçãO DE UM Pó ASPERSìVEL, PROCESSO PARA A PREPARAçãO DE UM Pó ASPERSìVEL DE FLUOROPOLìMERO NãO TRANSFORMáVEL EM FIBRILAS, APERFEIçOAMENTO NO PROCESSO PARA O REVESTIMENTO POR ASPERSãO DE UM SUBSTRATO, Pó ASPERSìVEL DE FLUOROPOLìMERO NãO TRANSFORMáVEL EM FIBRILAS E Pó ASPERSìVEL DE FLUOROPOLìMERO PROCESSáVEL EM FUSãO". Em uma primeira realização, a presente invenção apresenta um pó aspersível que compreende grânulos friáveis de partículas primárias aglomeradas de fluoropolímero não transformável em fibrilas e pelo menos um outro componente, sendo que o pó tem uma densidade nominal de pelo menos 20 g/100 cc e um tamanho de partícula médio de 5 a 100 micrómetros. O pó aspersível é preferivelmente destituído de líquido imiscível em água, e mais preferivelmente destituído de líquido de halocarbono. Entre os outros componentes, são incluidas substâncias inorgânicas, os pigmentos, os aglutinantes de polímeros resistentes a altas temperaturas. Em uma outra realização, a invenção apresenta um pó aspersível que compreende grânulos friáveis de partículas primárias aglomeradas de um primeiro fluoropolímero não transformável em fibrilas e pelo menos um outro componente de fluoropolímero não transformável em fibrilas. A invenção apresenta adicionalmente um processo para a preparação do pó aspersível mediante a secagem por aspersão de uma dispersão líquida de partículas primárias de fluoropolímero não transformáveis em fibrilas e pelo menos um outro componente para se obter grânulos friáveis. A dispersão é preferivelmente destituída de líquido imiscível em água, e mais preferivelmente destituída de líquido de halocarbono. Em uma realização preferida, o processo inclui a preparação do pó aspersível do fluoropolímero não transformável em fibrilas e, opcionalmente, pelo menos um outro componente, e o adensamento dos grânulos das partículas primárias aglomeradas que resultam da secagem por aspersão. O adensamento pode ser executado através da compactação mecânica ou da colocação dos grânulos em contato com um gás aquecido para formar um leito fluidizado. Etapas opcionais de trituração e tratamento a quente podem ser empregadas para se obter uma densidade nominal e um tamanho de partícula desejados para aplicações específicas.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12711299P | 1999-03-31 | 1999-03-31 | |
US60/127,112 | 1999-03-31 | ||
US15474299P | 1999-09-17 | 1999-09-17 | |
US60/154,742 | 1999-09-17 | ||
PCT/US2000/008361 WO2000058389A1 (en) | 1999-03-31 | 2000-03-30 | Sprayable powder of non-fibrillatable fluoropolymer |
Publications (2)
Publication Number | Publication Date |
---|---|
BR0010770A true BR0010770A (pt) | 2002-01-15 |
BR0010770B1 BR0010770B1 (pt) | 2010-01-26 |
Family
ID=26825345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0010770-0A BR0010770B1 (pt) | 1999-03-31 | 2000-03-30 | pà aspersÍvel, processos para a preparaÇço de um pà aspersÍvel, processo para a preparaÇço de um pà aspersÍvel de fluoropolÍmero nço transformÁvel em fibrilas, processo para o revestimento por aspersço de um substrato, pà aspersÍvel de fluoropolÍmero nço transformÁvel em fibrilas e pà aspersÍvel de fluoropolÍmero processÁvel em fusço. |
Country Status (15)
Country | Link |
---|---|
US (1) | US6518349B1 (pt) |
EP (1) | EP1171512B1 (pt) |
JP (1) | JP4889863B2 (pt) |
KR (1) | KR100661030B1 (pt) |
CN (1) | CN1192049C (pt) |
AU (1) | AU4045700A (pt) |
BR (1) | BR0010770B1 (pt) |
DE (1) | DE60001273T2 (pt) |
ES (1) | ES2191616T3 (pt) |
HK (1) | HK1045537B (pt) |
MX (1) | MXPA01009825A (pt) |
RU (1) | RU2223994C2 (pt) |
TR (1) | TR200102791T2 (pt) |
TW (1) | TW592924B (pt) |
WO (1) | WO2000058389A1 (pt) |
Families Citing this family (73)
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US6518349B1 (en) * | 1999-03-31 | 2003-02-11 | E. I. Du Pont De Nemours And Company | Sprayable powder of non-fibrillatable fluoropolymer |
GB0025092D0 (en) * | 2000-10-13 | 2000-11-29 | Glaxo Group Ltd | Medicament dispenser |
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TWI827174B (zh) * | 2022-07-29 | 2023-12-21 | 林奕伸 | 樹酯混練聚合回收再利用技術 |
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US3265679A (en) | 1963-09-19 | 1966-08-09 | Pennsalt Chemicals Corp | Chemical product and method for its manufacture |
US3956000A (en) | 1972-07-21 | 1976-05-11 | Hoechst Aktiengesellschaft | Fluorocarbon waxes and process for producing them |
US3953412A (en) | 1972-08-09 | 1976-04-27 | Takumi Saito | Sintered micro-powder of tetrafluoroethylene polymers |
JPS5244576B2 (pt) * | 1974-01-22 | 1977-11-09 | ||
JPS5258755A (en) * | 1975-11-10 | 1977-05-14 | Onoda Cement Co Ltd | Method and apparatus for producing spherical fine powder of synthetic resin by heating to melt |
US4143110A (en) * | 1977-07-08 | 1979-03-06 | Asahi Glass Company Ltd. | Method of agglomerating polytetrafluoroethylene powder |
US4241137A (en) * | 1977-11-22 | 1980-12-23 | Daikin Kogyo Co., Ltd. | Process for preparing polytetrafluoroethylene granular powder |
DE3135598A1 (de) * | 1981-09-09 | 1983-03-17 | Hoechst Ag, 6000 Frankfurt | "kontinuierliches verfahren zur agglomerierung von ptee-pulvern im fluessigen medium und damit gewonnenes modifiziertes ptee-pulver" |
CA1248292A (en) | 1984-05-10 | 1989-01-03 | Marlin D. Buckmaster | Melt-processible tetrafluoroethylene copolymers and processes for preparing them |
JPS62260849A (ja) * | 1986-04-11 | 1987-11-13 | Daikin Ind Ltd | 熱溶融性フツ素樹脂の顆粒状粉末およびその製造法 |
US5093403A (en) | 1986-07-01 | 1992-03-03 | Edlon Products, Inc. | Polymer-metal bonded composite and method of producing same |
JPH06104792B2 (ja) * | 1987-07-31 | 1994-12-21 | 日本油脂株式会社 | 熱硬化性粉体塗料組成物 |
RU2050379C1 (ru) | 1990-10-02 | 1995-12-20 | Охтинское научно-производственное объединение "Пластполимер" | Способ получения свободносыпучих агломерированных наполненных фторполимеров |
JP2550254B2 (ja) * | 1991-04-17 | 1996-11-06 | 三井・デュポンフロロケミカル株式会社 | テトラフルオロエチレン共重合体樹脂粉体組成物及びその製造法 |
EP0696623A4 (en) * | 1993-12-22 | 1998-12-16 | Mitsui Du Pont Fluorchemical | ARTICLE HAVING A HYDROPHOBIC FLUORORESIN SURFACE AND PROCESS FOR PRODUCING THE SAME |
DE4424466A1 (de) * | 1994-07-12 | 1996-01-18 | Hoechst Ag | Copolymeres vom Typ Tetrafluorethylen-Ethylen mit einer Kern-Hülle-Teilchenstruktur |
JP3074142B2 (ja) * | 1996-04-22 | 2000-08-07 | 株式会社セイシン企業 | 弗素樹脂の表面塗膜を形成する複合粉末及びその製造法 |
DE69717617T2 (de) | 1996-04-24 | 2003-07-03 | Daikin Ind Ltd | Fluorpolymerpulver und verfahren zu seiner herstellung |
KR100466355B1 (ko) | 1996-07-31 | 2005-06-16 | 미쯔비시 레이온 가부시끼가이샤 | 폴리테트라플루오로에틸렌함유혼합분체,이를함유하는열가소성수지조성물및그성형체 |
US5972494A (en) * | 1996-11-01 | 1999-10-26 | E. I. Du Pont De Nemours And Company | Filled fluoropolymer composition for corrosion resistance |
EP0927206A4 (en) * | 1997-07-17 | 2004-11-10 | Atofina Chem Inc | FLUOROPOLYMER POWDER COATINGS MADE OF MODIFIED RESIN BASED ON VINYLIDE FLUORIDE |
US6063855A (en) * | 1998-01-02 | 2000-05-16 | Pecsok; Roger L. | Process for the manufacture of vinylidene fluoride powder coatings |
US6232372B1 (en) * | 1998-03-18 | 2001-05-15 | E. I. Du Pont De Nemours And Company | Multicomponent particles of fluoropolymer and high temperature resistant non-dispersed polymer binder |
US6518349B1 (en) * | 1999-03-31 | 2003-02-11 | E. I. Du Pont De Nemours And Company | Sprayable powder of non-fibrillatable fluoropolymer |
-
2000
- 2000-03-29 US US09/538,363 patent/US6518349B1/en not_active Expired - Lifetime
- 2000-03-30 DE DE60001273T patent/DE60001273T2/de not_active Expired - Lifetime
- 2000-03-30 WO PCT/US2000/008361 patent/WO2000058389A1/en active IP Right Grant
- 2000-03-30 TR TR2001/02791T patent/TR200102791T2/xx unknown
- 2000-03-30 CN CNB008058628A patent/CN1192049C/zh not_active Expired - Lifetime
- 2000-03-30 EP EP00919836A patent/EP1171512B1/en not_active Expired - Lifetime
- 2000-03-30 JP JP2000608681A patent/JP4889863B2/ja not_active Expired - Lifetime
- 2000-03-30 KR KR1020017012305A patent/KR100661030B1/ko not_active IP Right Cessation
- 2000-03-30 RU RU2001129299/04A patent/RU2223994C2/ru not_active IP Right Cessation
- 2000-03-30 BR BRPI0010770-0A patent/BR0010770B1/pt not_active IP Right Cessation
- 2000-03-30 MX MXPA01009825A patent/MXPA01009825A/es active IP Right Grant
- 2000-03-30 AU AU40457/00A patent/AU4045700A/en not_active Abandoned
- 2000-03-30 ES ES00919836T patent/ES2191616T3/es not_active Expired - Lifetime
- 2000-04-06 TW TW089106097A patent/TW592924B/zh not_active IP Right Cessation
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2002
- 2002-09-20 HK HK02106885.3A patent/HK1045537B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE60001273T2 (de) | 2003-11-20 |
EP1171512B1 (en) | 2003-01-22 |
HK1045537B (zh) | 2005-10-28 |
WO2000058389A1 (en) | 2000-10-05 |
BR0010770B1 (pt) | 2010-01-26 |
JP2002540275A (ja) | 2002-11-26 |
MXPA01009825A (es) | 2002-07-30 |
CN1192049C (zh) | 2005-03-09 |
AU4045700A (en) | 2000-10-16 |
TW592924B (en) | 2004-06-21 |
TR200102791T2 (tr) | 2002-04-22 |
RU2223994C2 (ru) | 2004-02-20 |
ES2191616T3 (es) | 2003-09-16 |
JP4889863B2 (ja) | 2012-03-07 |
EP1171512A1 (en) | 2002-01-16 |
HK1045537A1 (en) | 2002-11-29 |
DE60001273D1 (de) | 2003-02-27 |
CN1345349A (zh) | 2002-04-17 |
KR100661030B1 (ko) | 2006-12-26 |
US6518349B1 (en) | 2003-02-11 |
KR20020005636A (ko) | 2002-01-17 |
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