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KR930703407A - 농도 구배에 따라 용융 점도가 상이한 폴리테트라플루오로에틸렌(ptfe)을 갖는 비점착성 코팅 시스템 - Google Patents

농도 구배에 따라 용융 점도가 상이한 폴리테트라플루오로에틸렌(ptfe)을 갖는 비점착성 코팅 시스템

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Publication number
KR930703407A
KR930703407A KR1019930701763A KR930701763A KR930703407A KR 930703407 A KR930703407 A KR 930703407A KR 1019930701763 A KR1019930701763 A KR 1019930701763A KR 930701763 A KR930701763 A KR 930701763A KR 930703407 A KR930703407 A KR 930703407A
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KR
South Korea
Prior art keywords
resin
melt viscosity
coating composition
coating
primer
Prior art date
Application number
KR1019930701763A
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English (en)
Inventor
하베이 폴 탄넨바움
Original Assignee
미리암 디. 메코너헤이
이. 아이. 듀폰 디 네모아 앤드 캄파니
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27417400&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=KR930703407(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US07/626,499 external-priority patent/US5168107A/en
Priority claimed from US07/626,607 external-priority patent/US5168013A/en
Priority claimed from US07/626,500 external-priority patent/US5160791A/en
Application filed by 미리암 디. 메코너헤이, 이. 아이. 듀폰 디 네모아 앤드 캄파니 filed Critical 미리암 디. 메코너헤이
Publication of KR930703407A publication Critical patent/KR930703407A/ko

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Classifications

    • 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
    • C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
    • C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C09D179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
    • C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
    • C08L81/06—Polysulfones; Polyethersulfones

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

Abstract

개선된 비점착성 코팅 시스템은 105Paㆍs이상의 용융 점도를 갖는 제1 폴리테트라플루오르에틸렌 및 102내지 107Pa ·s의 용융 점도를 갖는 제2 폴리테트라플루오르에틸렌을 가지며 제 1 폴리테트라플루오로에틸레의 용융 점도가 제 2 폴리테트라플루오로에틸렌의 용융 점도보다 102Pa ·s이상 보다 높은 비처리된 평활한 기판에 도포시켜 농도 구배를 제공할 수 있다.

Description

농도 구배에 따라 용융 점도가 상이한 폴리테트라플루오로에틸렌(PTFE)을 갖는 비점착성 코팅 시스템
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (11)

  1. 적어도 2종의 상이한 폴리테트라플루오로에틸렌 수지로 이루어지며, 그 중 제1 수지는105Pa ·s이상의 용융 점도를 갖고, 제2수지는 102내지 107Pa ·s 범위의 용융 점도를 가지며, 제1수지의 용융 점도가 제2수지이 용융 점도보다 적어도 102Pa ·s높은 퍼플루오로카본 수지, 폴리아미드 이미드 및 폴리에테르 술폰 수지 중 적어도 하나로 이루어지는 수성 코팅 조성물.
  2. 제1항에 있어서, 상기 제1수지의 용융 점도가 1010Pa ·s 이상이고, 상기 제2 수지의 용융 점도가 103-105Pa ·s인 코팅 조성물.
  3. 제1항에 있어서, 상기 제1수지의 용융 점도가 105MPa ·s 이상이고, 상기 제2 수지의 용융 점도가 102-104Pa ·s인 코팅 조성물.
  4. 제1항에 있어서, 퍼플루오로카본 수지가 상기 제1 수지 약 50-90중량% 및 상기 제2수지 50-10 중량%를 함유하는 코팅 조성물.
  5. 제2항에 있어서, 콜로이드상 실리카 약 3-5 중량%, 계면활성제 1-4중량%, 폴리아미드 이미드 수지 15-30 중량% 및 퍼플루오로카본 수지 25-55 중량%로 필수적으로 이루어지고,퍼플루오로카본 수지가 상기 제1수지 60-85 중량% 및 나머지 제2수지로 필수적으로 이루어지는 코팅 조성물.
  6. 코팅이 제1항에 의한 코팅 조성물로 이루어지고, 기판이 코팅 접착성을 방해하는 오염물이 없는 코팅된 기판.
  7. 제6항에 있어서, 코팅이 프라이머, 상무 코트, 및 프라이머와 상부 코트 사이의 적어도 하나의 중간 코트로 이루어지는 다층 비점착성 코팅된 기판.
  8. 제7항에 있어서, 프라이머가 상기 코팅부 조성물인 코팅된 기판.
  9. 제7항에 있어서, 상부 코트가 상기 코팅 조성물인 코팅된 기판.
  10. 제1항에 있어서, 기판이 코팅 전에 2-5㎛미만의 표면 조도 프로파일을 갖는, 알루미늄, 스테인레스강 및 탄소강으로 이루어진 군 중에서 선택된 금속된 코팅된 기관.
  11. 제8항에 있어서, 상기 수성 분산액으로부터 생성된 프라이머 코팅이, 그의 두께에 걸쳐 성분이 균일하지 않으나,대향 계면에서 보다 기판과의 계면에서 상기 제1폴리테트라플루오로에틸렌의 농도가 보다 낮은 코팅된 기판.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930701763A 1990-12-12 1991-12-10 농도 구배에 따라 용융 점도가 상이한 폴리테트라플루오로에틸렌(ptfe)을 갖는 비점착성 코팅 시스템 KR930703407A (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US07/626,499 US5168107A (en) 1990-12-12 1990-12-12 Non-stick coating system with PTFE of two low melt viscosities for concentration gradient
US07/626,607 US5168013A (en) 1990-12-12 1990-12-12 Non-stick coating system with high and low melt viscosity PTFE for concentration gradient
US626,499 1990-12-12
US626,607 1990-12-12
US626,500 1990-12-12
US07/626,500 US5160791A (en) 1990-12-12 1990-12-12 Non-stick coating system with two perfluorocarbon resins in topcoat for concentration gradient
PCT/US1991/009064 WO1992010549A1 (en) 1990-12-12 1991-12-10 Non-stick coating system with ptfe of different melt viscosities for concentration gradient

Publications (1)

Publication Number Publication Date
KR930703407A true KR930703407A (ko) 1993-11-30

Family

ID=27417400

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930701763A KR930703407A (ko) 1990-12-12 1991-12-10 농도 구배에 따라 용융 점도가 상이한 폴리테트라플루오로에틸렌(ptfe)을 갖는 비점착성 코팅 시스템

Country Status (12)

Country Link
EP (1) EP0561987B1 (ko)
JP (1) JPH06501974A (ko)
KR (1) KR930703407A (ko)
CN (1) CN1064291A (ko)
AU (1) AU652017B2 (ko)
BR (1) BR9107221A (ko)
CA (1) CA2099614A1 (ko)
DE (1) DE69111468T2 (ko)
DK (1) DK0561987T3 (ko)
ES (1) ES2076022T3 (ko)
TR (1) TR28885A (ko)
WO (1) WO1992010549A1 (ko)

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Also Published As

Publication number Publication date
EP0561987A1 (en) 1993-09-29
AU9143691A (en) 1992-07-08
EP0561987B1 (en) 1995-07-19
WO1992010549A1 (en) 1992-06-25
BR9107221A (pt) 1993-11-16
ES2076022T3 (es) 1995-10-16
DE69111468T2 (de) 1996-02-15
DK0561987T3 (da) 1995-09-11
DE69111468D1 (de) 1995-08-24
TR28885A (tr) 1997-08-06
CN1064291A (zh) 1992-09-09
AU652017B2 (en) 1994-08-11
JPH06501974A (ja) 1994-03-03
CA2099614A1 (en) 1992-06-13

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