FI78265B - Foeremaol med en fluorpolymerbelaeggning med foerbaettrad slitstyrka. - Google Patents

Foeremaol med en fluorpolymerbelaeggning med foerbaettrad slitstyrka. Download PDF

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Publication number
FI78265B
FI78265B FI820088A FI820088A FI78265B FI 78265 B FI78265 B FI 78265B FI 820088 A FI820088 A FI 820088A FI 820088 A FI820088 A FI 820088A FI 78265 B FI78265 B FI 78265B
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Finland
Prior art keywords
weight
component
layer
composition
primer
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Application number
FI820088A
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English (en)
Finnish (fi)
Other versions
FI820088L (fi
FI78265C (sv
Inventor
Thomas Patrick Concannon
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Du Pont
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Application filed by Du Pont filed Critical Du Pont
Publication of FI820088L publication Critical patent/FI820088L/fi
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Application granted granted Critical
Publication of FI78265C publication Critical patent/FI78265C/sv

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/56—Three layers or more
    • B05D7/58—No clear coat specified
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
    • B05D5/083—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface involving the use of fluoropolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/54—No clear coat specified
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B05D2202/20—Metallic substrate based on light metals
    • B05D2202/25—Metallic substrate based on light metals based on Al
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
    • Y10T428/31544—Addition polymer is perhalogenated

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Laminated Bodies (AREA)
  • Cookers (AREA)

Claims (10)

1. Belagt föremäl omfattande ett underlag, ett grundningsskikt direkt pä underlaget och minst ett annat 5 beläggningsskikt, varvid grundningsskiktet bildats av en komposition innehällande (a) 15-65 vikt-% av en finfördelad polymer erhällen av monoetyleniskt omättade kolvätemonomerer, vilka är helt substituerade med fluoratomer eller en kom- 10 bination av fluor- och kloratomer, varvid polymeren har ett molekylens talmedelvärde minst 20 000; (b) 30-50 vikt-% av minst en finfördelad sampolymer innehällande (i) 99,5-92 vikt-% av tetrafluoretylen, 15 (ii) 0,5-8 vikt-% minst en perfluorerad vinyleter med formeIn CF2 « CF - O - Rf vari betecknar en eller flera perfluoralkylradi-kaler med 1-10 kolatomer, eller en finfördelad, per-fluorerad eter med formeln F CF-, F f Ί ~1 Γ__0-CF-CF2--0-CF-CF2
25 F/?^Ox\“ · 2 CF3 \ _ CF3 Jn väri n är 0-4, och, om sä önskas, (iii) hexafluorpropylen; och (c) högst 25 vikt-% av en polymer, vilken har glas- 30 temperatur högre eller lika med 130°C, och vilken även är termalt stabil vid en temperatur av högst 200°C, varvid procenterna beräknats pä totalmängden av komponenterna (a), (b) och (c), kännetecknat därav, att de övriga skikten bil-35 dats av en komposition, vilken väsentligen bestär av komponenterna (a), (b) och (c), varvid halten av komponent ib 78265 (b) i mellanskikten är minst 10 vikt-%, och samtidigt mindre eller lika 0,75 ginger halten av komponent (b) i grundningsskiktkompositionen, halten av komponent (b) i ytskiktet är mindre än eller lika med 0,25 ginger halten 5 av komponent (b) i grundningskompositionen och halten av komponent (c) är 0-15 vikt-%.
2. Föremil enligt patentkravet 1, känne-t e c k n a t därav, att grudningsskiktet bestrykts med minst tvi skikt, vilka väsentligen bestir av komponenterna 10 (a), (b) och (c), varvid det mellersta skiktet innehiller 55-90 vikt-% av komponent (a), 10-30 vikt-% av komponent (b) och 0-15 vikt-% av komponent (c), och det översta skiktet innehiller 80-100 vikt-% av komponent (a), 0-10 vikt-% av komponent (b) och 0-15 vikt-% av komponent (c). 15
3. Föremil enligt patentkravet 1 eller 2, k ä n - netecknat därav, att komponenten (c) i bestryk-ningskompositionen utgörs av ett salt av en polyamidsyra, vilket väsentligen bestir av det icke-flyktiga innehillet av följande ämnen: 20 1) 10-70 vikt-%, beräknat pi lösningen, av ett salt av en polyamidsyra med en tertiär amin, varvid polyamid-syran har den allmänna formeln G ^jjCOOH 25 / "V, 1 --HNC·^ CNH-R±_ Il II o o _ _ n väri G är en väteatom eller en karbonylgrupp; -> be- 30 tecknar isomeri silunda, att grupperna i polymerstrukturens varje iterkommande enhet pi vilka pilen pekar, kan uppträda i den ställning som visats i formeln eller i omkastad ställ-ning; R är en organisk, fyrvärd radikal innehillande minst tvi kolatomer, varvid högst tvi karbonylgrupper i varje 35 polyamidsyraenhet är bundna vid en kolatom; är en tvivärd radikal med minst tvi kolatomer, varvid amidgrupperna i de 19 78265 närliggande polyamidsyraenheterna är fästa vid separata kolatomer i den nämnda tvävärda radikalen; och n är ett heltal, som är tillräckligt stort för att ge polyamid-syran en egenviskositet av minst 0,1, företrädesvis 5 0,3-5,0, mätt som 0,5 %:ig lösning iN,N'-dimetylacetamid vid 30°C, varvid den nämnda tertiära aminen är närvarande minst den stökiometriskt ekvivalenta mängden med hänseende tili de fria karbonylsyragrupperna i polyamidsyran; 2) 5-25 vikt-%, beräknat pä mändgen av lösningen, av 10 ett viskositeten nedsättande medel, vilket är blandbart med vatten och vilket har ett löslighetsparameter av 10-21,6, varvid löslighetsparametern har en dispersions-komponent av 7,0-10,0, en polarkomponent av 2,0-11,0 och en vätebindningskomponent av 7,0-14,0; 15 3) 5-35 vikt-%, beräknat pä mängden av lösningen, av ett sammansmältningsmedel, vilket utgörs av minst ett ämne av gruppen N-metylpyrrolidin, dimetylformamid, dimetylacetamid, dimetylsulfoxid, kresylsyra, sulfolan och formamid, varvid vatten bildar 30-80 vikt-% av lösningen. 20
4. Föremäl enligt patentkravet 1 eller 2, k ä n netecknat därav, att (b) utgörs av minst en sam-polymer av perfluoralkylperfluorvinyleter och tetrafluor-etylen, varvid den nämnda etern har formeln 25 Γ <rF3 CF3-CF2-CF2--0-CF-CF2---0-CF=CF2 _ n väri n är 1-4. 30
5. Föremäl enligt patentkravet 1 eller 2, k ä n - netecknat därav, att (b) utgörs av en terpolymer innehällande i sampolymeriserat tillständ: tetrafluoretylen, cirka 1-12 vikt-% av hexafluorpropylen, och 45 cirka 0,5-6 vikt-% av perfluoretylvinyleter eller perfluor-n-prolylvinyleter.
FI820088A 1981-01-13 1982-01-12 Föremål med en fluorpolymerbeläggning med förbättrad slitstyrka FI78265C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/224,684 US4351882A (en) 1981-01-13 1981-01-13 Article coated with fluoropolymer finish with improved durability
US22468481 1981-01-13

Publications (3)

Publication Number Publication Date
FI820088L FI820088L (fi) 1982-07-14
FI78265B true FI78265B (fi) 1989-03-31
FI78265C FI78265C (sv) 1989-07-10

Family

ID=22841722

Family Applications (1)

Application Number Title Priority Date Filing Date
FI820088A FI78265C (sv) 1981-01-13 1982-01-12 Föremål med en fluorpolymerbeläggning med förbättrad slitstyrka

Country Status (17)

Country Link
US (1) US4351882A (sv)
EP (1) EP0056280B2 (sv)
JP (1) JPS57137365A (sv)
KR (1) KR890001462B1 (sv)
AR (1) AR227456A1 (sv)
AT (1) ATE10910T1 (sv)
AU (1) AU548119B2 (sv)
BR (1) BR8200103A (sv)
CA (1) CA1179217A (sv)
DE (1) DE3261638D1 (sv)
FI (1) FI78265C (sv)
GB (1) GB2090772B (sv)
HK (1) HK87884A (sv)
IE (1) IE51926B1 (sv)
MX (1) MX160822A (sv)
NZ (1) NZ199463A (sv)
ZA (1) ZA82155B (sv)

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ZA82155B (en) 1983-08-31
CA1179217A (en) 1984-12-11
FI820088L (fi) 1982-07-14
ATE10910T1 (de) 1985-01-15
US4351882A (en) 1982-09-28
MX160822A (es) 1990-05-30
HK87884A (en) 1984-11-16
EP0056280B2 (en) 1990-08-29
AR227456A1 (es) 1982-10-29
AU548119B2 (en) 1985-11-21
KR890001462B1 (ko) 1989-05-04
NZ199463A (en) 1985-08-30
EP0056280B1 (en) 1984-12-27
JPS57137365A (en) 1982-08-24
BR8200103A (pt) 1982-11-03
GB2090772B (en) 1984-06-20
AU7946182A (en) 1982-07-22
EP0056280A3 (en) 1982-09-22
IE820047L (en) 1982-07-13
DE3261638D1 (en) 1985-02-07
EP0056280A2 (en) 1982-07-21
KR830009166A (ko) 1983-12-17
JPH0427275B2 (sv) 1992-05-11
GB2090772A (en) 1982-07-21
IE51926B1 (en) 1987-04-29
FI78265C (sv) 1989-07-10

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