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CA2096643A1 - Powdered varnish and its use for coating the insides of packaging containers and for covering weld seams - Google Patents

Powdered varnish and its use for coating the insides of packaging containers and for covering weld seams

Info

Publication number
CA2096643A1
CA2096643A1 CA2096643A CA2096643A CA2096643A1 CA 2096643 A1 CA2096643 A1 CA 2096643A1 CA 2096643 A CA2096643 A CA 2096643A CA 2096643 A CA2096643 A CA 2096643A CA 2096643 A1 CA2096643 A1 CA 2096643A1
Authority
CA
Canada
Prior art keywords
powdered varnish
size
powdered
packaging containers
weld seams
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.)
Granted
Application number
CA2096643A
Other languages
French (fr)
Other versions
CA2096643C (en
Inventor
Lothar Jandel
Siegfried Krause
Josef Rademacher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PPG Industries Inc
Original Assignee
Individual
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=6419573&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2096643(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to CA002154863A priority Critical patent/CA2154863C/en
Publication of CA2096643A1 publication Critical patent/CA2096643A1/en
Application granted granted Critical
Publication of CA2096643C publication Critical patent/CA2096643C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • 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
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins

Landscapes

  • 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)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

The object of the invention is a powdered varnish which: 1) contains at least one polyester with an acid number of 25 to 120 mgKOH/g and an OH number > 10 mgKOH/g and at least one epoxy resin with an epoxy equivalent weight of 400 to 3000; 2) for covering weld seams has such a grain size distribution that at least 90 % mass of the powdered varnish particles have a particle size between 1 and 100 µm, the maximum particle-size of the powdered varnish particles is < 150 µm, the average size of the powdered varnish particles lies between > 20 and 60 µm and the gradient of the grain distribution curve at the knee is > 50, or 3) for the internal coating of packaging containers has such a grain sized distribution that at least 90 % mass of the powdered varnish particles have a particle size of between 1 and 60 µm, the maximum size of the powdered varnish particles is < 100 µm, the average size of the powdered varnish particles lies between 5 and 20 µm and the gradient of the grain distribution curve at the knee is > 100.
CA002096643A 1990-12-05 1991-11-06 Powdered varnish and its use for coating the insides of packaging containers and for covering weld seams Expired - Fee Related CA2096643C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002154863A CA2154863C (en) 1990-12-05 1991-11-06 Powdered varnish and its use for coating the insides of packaging containers and for covering weld seams

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4038681A DE4038681A1 (en) 1990-12-05 1990-12-05 POWDER LACQUER AND THE USE THEREOF FOR THE INTERNAL COATING OF PACKAGING CONTAINERS AND FOR WELDING SEALING
DEP4038681.3 1990-12-05
PCT/EP1991/002099 WO1992010551A1 (en) 1990-12-05 1991-11-06 Powdered varnish and its use for coating the insides of packaging containers and for covering weld seams

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002154863A Division CA2154863C (en) 1990-12-05 1991-11-06 Powdered varnish and its use for coating the insides of packaging containers and for covering weld seams

Publications (2)

Publication Number Publication Date
CA2096643A1 true CA2096643A1 (en) 1992-06-06
CA2096643C CA2096643C (en) 2000-01-04

Family

ID=6419573

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002096643A Expired - Fee Related CA2096643C (en) 1990-12-05 1991-11-06 Powdered varnish and its use for coating the insides of packaging containers and for covering weld seams
CA002154863A Expired - Fee Related CA2154863C (en) 1990-12-05 1991-11-06 Powdered varnish and its use for coating the insides of packaging containers and for covering weld seams

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA002154863A Expired - Fee Related CA2154863C (en) 1990-12-05 1991-11-06 Powdered varnish and its use for coating the insides of packaging containers and for covering weld seams

Country Status (12)

Country Link
EP (1) EP0560792B1 (en)
AT (1) ATE117713T1 (en)
BR (1) BR9107149A (en)
CA (2) CA2096643C (en)
DE (2) DE4038681A1 (en)
DK (1) DK0560792T3 (en)
ES (1) ES2070520T3 (en)
IE (1) IE65595B1 (en)
NO (1) NO932022L (en)
PT (1) PT99685B (en)
WO (1) WO1992010551A1 (en)
YU (1) YU47456B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5942285A (en) * 1996-05-17 1999-08-24 The Dexter Corporation Extrusion coating compositions and method
US5994462A (en) * 1998-06-11 1999-11-30 The Dexter Corporation Solid coating compositions for powder and extrusion applications
US6270855B1 (en) 1996-05-17 2001-08-07 The Valspar Corporation Powder coating compositions and methods
US6458439B1 (en) 1996-05-17 2002-10-01 The Valspar Corporation Extrusion coating compositions and method
US6472472B2 (en) 1996-05-17 2002-10-29 The Valspar Corporation Powder coating compositions and method
US6806302B2 (en) 2001-06-13 2004-10-19 E. I. Du Pont De Nemours And Company Process for the continuous production of liquid, pigmented coating compositions

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2711036B2 (en) * 1991-10-11 1998-02-10 日本ペイント株式会社 Powder coatings and raw materials for powder coatings
US5888623A (en) * 1993-03-20 1999-03-30 Hans Grohe Gmbh & Co. Kg Sanitary article or plumbing fitting with a coated surface and a print image applied thereto and a process for making the same
DE4308977A1 (en) * 1993-03-20 1994-09-22 Grohe Kg Hans Sanitary article with a coated surface and process for its manufacture
DE4405170A1 (en) * 1994-02-18 1995-08-24 Basf Lacke & Farben Process for the production of lids and / or trays for packaging containers, the lids and bottoms thus produced and their use for the production of packaging containers, in particular for food packaging
DE19523084A1 (en) * 1995-06-26 1997-04-03 Basf Lacke & Farben Aqueous powder coating dispersion for packaging containers
DE19531559A1 (en) * 1995-08-28 1997-03-06 Basf Lacke & Farben Powder-coated container closure
DE19531585A1 (en) * 1995-08-28 1997-03-06 Basf Lacke & Farben Powder coating and its use for the interior coating of packaging containers
DE19607914A1 (en) * 1996-03-01 1997-09-04 Basf Lacke & Farben Powder coating for packaging containers
US20010002274A1 (en) * 1996-06-14 2001-05-31 Peter Lessmeister Metal strip coating process
DE19632426C2 (en) * 1996-06-14 1999-02-04 Basf Coatings Ag Process for coating metal strips
JP3266818B2 (en) * 1996-11-28 2002-03-18 神東塗料株式会社 Steel plate weld finish method
DE19705962A1 (en) * 1997-02-17 1998-08-20 Hoechst Ag Spherical, colored polyester particles, process for their preparation and their use for powder coatings
DE19705961A1 (en) * 1997-02-17 1998-08-20 Hoechst Ag Spherical, possibly crosslinkable at low temperatures polyester particles, processes for their preparation and their use for powder coatings
EP0943658A1 (en) * 1998-03-19 1999-09-22 Ticona GmbH Spherical, dyable polyester particles, process for their production and their use for high resolution toners
DE10126651A1 (en) 2001-06-01 2002-12-12 Basf Coatings Ag Use of copolymers with diphenylethylene units as emulsifiers for the production of powder slurry and coating powder for use in coating materials, adhesives and sealants, e.g. for painting cars
DE102006001529A1 (en) 2006-01-12 2007-07-26 Basf Coatings Ag Powder coating suspensions (powder slurries) and powder coatings, process for their preparation and their use
GB2564454A (en) * 2017-07-11 2019-01-16 Rapid Powders Ltd A method, treated or modified polymer and article of manufacture

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183974A (en) * 1974-01-02 1980-01-15 W. R. Grace & Co. Container coating method
DE2621656A1 (en) * 1976-05-15 1977-12-01 Dynamit Nobel Ag HAARDABLE POWDER-FORM COATING COMPOSITIONS
EP0136263A3 (en) * 1983-08-25 1986-07-30 Vernicolor AG Lack- und Farbenfabrik Duroplastic powder lacquer, metallic container with a welded joint coated with a duroplast and method of coating the surface of a metallic container welded joint
FR2577231B1 (en) * 1985-02-08 1987-09-11 Charbonnages Ste Chimique PROCESS FOR THE PREPARATION OF POWDER COATING COMPOSITIONS BASED ON AN EPOXY RESIN AND A CARBOXYL POLYESTER
IT1231772B (en) * 1989-08-02 1991-12-21 Hoechst Sara Spa PROCEDURE FOR THE COATING OF SUBSTRATES THROUGH HIGH TEMPERATURE AND SHORT TIME THERMOSETTING POWDER PAINTS.

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5942285A (en) * 1996-05-17 1999-08-24 The Dexter Corporation Extrusion coating compositions and method
US6153264A (en) * 1996-05-17 2000-11-28 The Dexter Corporation Polyester compositions and use thereof in extrusion coating
US6270855B1 (en) 1996-05-17 2001-08-07 The Valspar Corporation Powder coating compositions and methods
US6458439B1 (en) 1996-05-17 2002-10-01 The Valspar Corporation Extrusion coating compositions and method
US6472472B2 (en) 1996-05-17 2002-10-29 The Valspar Corporation Powder coating compositions and method
US6551662B1 (en) 1996-05-17 2003-04-22 The Valspar Corporation Extrusion coating compositions and method
US6827980B2 (en) 1996-05-17 2004-12-07 Valspar Corporation Extrusion coating compositions and method
US7101590B2 (en) 1996-05-17 2006-09-05 Valspar Corporation Extrusion coating compositions and method
US5994462A (en) * 1998-06-11 1999-11-30 The Dexter Corporation Solid coating compositions for powder and extrusion applications
US6806302B2 (en) 2001-06-13 2004-10-19 E. I. Du Pont De Nemours And Company Process for the continuous production of liquid, pigmented coating compositions

Also Published As

Publication number Publication date
WO1992010551A1 (en) 1992-06-25
DE59104444D1 (en) 1995-03-09
ATE117713T1 (en) 1995-02-15
PT99685A (en) 1992-11-30
ES2070520T3 (en) 1995-06-01
IE65595B1 (en) 1995-11-01
NO932022L (en) 1993-07-05
NO932022D0 (en) 1993-06-03
EP0560792A1 (en) 1993-09-22
DK0560792T3 (en) 1995-05-29
YU188891A (en) 1994-01-20
CA2154863C (en) 1999-09-07
IE914181A1 (en) 1992-06-17
BR9107149A (en) 1993-11-16
YU47456B (en) 1995-03-27
PT99685B (en) 1999-05-31
DE4038681A1 (en) 1992-06-11
CA2096643C (en) 2000-01-04
EP0560792B1 (en) 1995-01-25
CA2154863A1 (en) 1992-06-06

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed