IT1041758B - Processo per la produzione di granuli di polimeri tetrafluoroetile nici e cariche idrofile particellari con minori perdite di carica durante l agglomerazione - Google Patents

Processo per la produzione di granuli di polimeri tetrafluoroetile nici e cariche idrofile particellari con minori perdite di carica durante l agglomerazione

Info

Publication number
IT1041758B
IT1041758B IT23703/75A IT2370375A IT1041758B IT 1041758 B IT1041758 B IT 1041758B IT 23703/75 A IT23703/75 A IT 23703/75A IT 2370375 A IT2370375 A IT 2370375A IT 1041758 B IT1041758 B IT 1041758B
Authority
IT
Italy
Prior art keywords
tetrafluoroetyl
nici
hydrophile
charges
special
Prior art date
Application number
IT23703/75A
Other languages
English (en)
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of IT1041758B publication Critical patent/IT1041758B/it

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
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/205—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds
    • C08K5/544—Silicon-containing compounds containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/14—Glass
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
IT23703/75A 1974-05-24 1975-05-23 Processo per la produzione di granuli di polimeri tetrafluoroetile nici e cariche idrofile particellari con minori perdite di carica durante l agglomerazione IT1041758B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47315874A 1974-05-24 1974-05-24
US531481A US3915916A (en) 1974-05-24 1974-12-11 Process for reducing filler loss

Publications (1)

Publication Number Publication Date
IT1041758B true IT1041758B (it) 1980-01-10

Family

ID=27044050

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23703/75A IT1041758B (it) 1974-05-24 1975-05-23 Processo per la produzione di granuli di polimeri tetrafluoroetile nici e cariche idrofile particellari con minori perdite di carica durante l agglomerazione

Country Status (6)

Country Link
US (1) US3915916A (it)
JP (1) JPS5347269B2 (it)
CA (1) CA1056979A (it)
DE (1) DE2522992C2 (it)
IT (1) IT1041758B (it)
NL (1) NL181583C (it)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980612A (en) * 1975-04-11 1976-09-14 E. I. Du Pont De Nemours And Company Process for reducing filler loss during polytetrafluoroethylene agglomeration
US3980596A (en) * 1975-04-11 1976-09-14 E. I. Du Pont De Nemours And Co. Process for reducing filler loss
US3998770A (en) * 1975-12-29 1976-12-21 E. I. Du Pont De Nemours And Company Process for reducing discoloration and dark spotting in tetrafluoroethylene resin molded parts
GB1524630A (en) * 1975-12-29 1978-09-13 Du Pont Tetrafluoroethylene resin moulding powder
JPS5618624A (en) * 1979-07-24 1981-02-21 Daikin Ind Ltd Production of filled polytetrafluoroethylene fine powder
JPS56115326A (en) * 1980-02-18 1981-09-10 Daikin Ind Ltd Preparation of fine polytetrafluoroethylene powder containing filler
GB2074181B (en) * 1980-04-18 1983-11-16 Du Pont Aqueous fluoropolymer compositions
US4370376A (en) * 1980-04-18 1983-01-25 E. I. Du Pont De Nemours And Company Tetrafluoroethylene polymer dispersions
JPS6021694B2 (ja) * 1980-07-08 1985-05-29 ダイキン工業株式会社 フイラ−入りポリテトラフルオロエチレン成形粉末の製造方法
JPS5874739A (ja) * 1981-10-30 1983-05-06 Du Pont Mitsui Fluorochem Co Ltd テトラフルオロエチレン樹脂成形用粉末組成物
JPH0647110B2 (ja) * 1985-09-27 1994-06-22 株式会社日阪製作所 温泉水の熱利用方法
JP2854039B2 (ja) * 1989-10-23 1999-02-03 三菱化学株式会社 粉粒体の造粒方法
DE3941368A1 (de) * 1989-12-15 1991-06-20 Hoechst Ag Verfahren zur herstellung eines agglomerierten formpulvers aus polytetrafluorethylen und hydrophoben fuellstoffen
EP0455210B1 (en) * 1990-05-01 1995-08-02 Daikin Industries, Limited Process for preparing polytetrafluoroethylene granular powder
WO1997011111A1 (fr) * 1995-09-18 1997-03-27 Daikin Industries, Ltd. Poudre granulee de polytetrafluoroethylene charge et son procede de production
JP3319329B2 (ja) * 1997-03-17 2002-08-26 ダイキン工業株式会社 フィラー入りポリテトラフルオロエチレン粒状粉末およびその製法
JP3718955B2 (ja) 1997-04-22 2005-11-24 ダイキン工業株式会社 フィラー入りポリテトラフルオロエチレン粒状粉末およびその製法
DE69823047T2 (de) 1997-09-08 2005-03-24 Daikin Industries, Ltd. Wenig gefülltes granuliertes polytetrafluoroethylenpulver und verfahren zu dessen herstellung
WO2001051560A1 (fr) * 2000-01-14 2001-07-19 Daikin Industries, Ltd. Polytetrafluoroethylene granulaire charge, et procede de production correspondant
US6911489B2 (en) * 2002-06-10 2005-06-28 Asahi Glass Fluoropolymers Usa, Inc. Methods for preparing agglomerated pellets of polytetrafluoroethylene and molded articles and the agglomerated pellets of polytetrafluoroethylene and molded articles prepared thereby
US20080058449A1 (en) * 2006-09-05 2008-03-06 Dow Corning Corporation Silicon hot melt additive for fluoroplastics
DE102007017791A1 (de) * 2007-04-16 2008-10-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Komposit mit inversen thermochromen Eigenschaften, dieses enthaltender Verbundwerkstoff sowie dessen Verwendung
DE102007061513A1 (de) 2007-12-20 2009-06-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dotierkapseln, diese enthaltende Verbundsysteme sowie deren Verwendung
EP3632980A4 (en) 2017-05-31 2021-03-10 Nitto Denko Corporation PLATE SHAPED COMPOSITE MATERIAL WITH POLYTETRAFLUORETHYLENE AND FILLER
CN110691817B (zh) 2017-05-31 2022-01-07 日东电工株式会社 含有聚四氟乙烯及填充剂的板状的复合材料
JP2023108326A (ja) 2022-01-25 2023-08-04 三井・ケマーズ フロロプロダクツ株式会社 ポリテトラフルオロエチレン造粒粉末及び、その製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2613193A (en) * 1950-01-10 1952-10-07 Du Pont Sprayable polytetrafluoroethylene aqueous suspensoids containing an organic liquid
GB706012A (en) * 1950-04-20 1954-03-24 British Dielectric Res Ltd Improved methods of processing polytetrafluorethylene and products therefrom
US3062764A (en) * 1959-04-13 1962-11-06 Du Pont Aqueous coating composition comprising polytetrafluoroethylene, polyorganosiloxane and an acrylic tripolymer and substrata coated therewith
GB1033638A (en) * 1963-09-09 1966-06-22 Du Pont Polytetrafluoroethylene moulding powders and their preparation
US3449290A (en) * 1966-07-12 1969-06-10 Union Carbide Corp Silicone elastomer compositions containing powdered polytetrafluoroethylene
US3781258A (en) * 1968-09-11 1973-12-25 Daikin Ind Ltd Polytetrafluoroethylene powder and method of preparation thereof
US3787281A (en) * 1968-10-29 1974-01-22 Du Pont Forming a hydrolytically stable bond between glass and polytetrafluoroethylene
GB1351144A (en) * 1970-11-27 1974-04-24 Secr Defence Fluorosilicone elastomers and their use in fluorohydrocarbon elastomers
US3838082A (en) * 1971-05-25 1974-09-24 Du Pont Polytetrafluoromethylene coatings containing water soluble polyhydrolyzable compound for glass fabrics
JPS4837576A (it) * 1971-09-17 1973-06-02

Also Published As

Publication number Publication date
JPS51549A (it) 1976-01-06
US3915916A (en) 1975-10-28
NL181583B (nl) 1987-04-16
NL7506099A (nl) 1975-11-26
DE2522992A1 (de) 1975-12-04
NL181583C (nl) 1987-09-16
CA1056979A (en) 1979-06-19
JPS5347269B2 (it) 1978-12-20
DE2522992C2 (de) 1982-12-02

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940429