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GB1479742A - Method of curing photo-curable coating compositions - Google Patents

Method of curing photo-curable coating compositions

Info

Publication number
GB1479742A
GB1479742A GB4017274A GB4017274A GB1479742A GB 1479742 A GB1479742 A GB 1479742A GB 4017274 A GB4017274 A GB 4017274A GB 4017274 A GB4017274 A GB 4017274A GB 1479742 A GB1479742 A GB 1479742A
Authority
GB
United Kingdom
Prior art keywords
wavelength
range
composition
actinic radiation
unsaturated
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.)
Expired
Application number
GB4017274A
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.)
Nippon Paint Co Ltd
Original Assignee
Nippon Paint Co Ltd
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
Priority claimed from JP10472673A external-priority patent/JPS5419896B2/ja
Priority claimed from JP10472773A external-priority patent/JPS5419897B2/ja
Application filed by Nippon Paint Co Ltd filed Critical Nippon Paint Co Ltd
Publication of GB1479742A publication Critical patent/GB1479742A/en
Expired legal-status Critical Current

Links

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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F299/00—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
    • C08F299/02—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates
    • C08F299/04—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates from polyesters
    • C08F299/0407—Processes of polymerisation
    • C08F299/0421—Polymerisation initiated by wave energy or particle radiation
    • C08F299/0428—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
    • C08F299/0435—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F299/00—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
    • C08F299/02—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates
    • C08F299/06—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates from polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Paints Or Removers (AREA)

Abstract

1479742 Two-stage photocuring process NIPPON PAINT CO Ltd 16 Sept 1974 [17 Sept 1973 (2)] 40172/74 Headings C3P and C3G A two-stage process for curing a photocurable coating composition comprises (1) irradiating a photocurable coating composition containing a photosensitizer, the composition being in the form of a coating on a substrate, with actinic radiation having a wavelength in the range 185-500 mÁ and a dominant wavelength in the range 380-420 mÁ, or irradiating the composition with actinic radiation having a wavelength in the range 185-500 mÁ through a filter which permits radiation having a wavelength not greater than 225 mÁ to pass therethrough with a transmittance of 0 to 10% and which permits higher wavelength actinic radiation to be transmitted therethrough; and then (2) irradiating the composition with actinic radiation having a wavelength in the range 185-500 mÁ and a dominant wavelength in a range other than 380-420 mÁ, or irradiating the composition with actinic radiation having a wavelength in the range 185-500 mÁ without the use of a filter, respectively. The radiation having a dominant wavelength in the range 380-420 mÁ can be obtained from conventional medium- or high-pressure mercury lamps which have been modified by inclusion of a metal selected from Ga, Pb, Al, Ca, Ce, In, K, La, Mg, Mn, Mo, Nb, Sc, Sr and Th, or a compound of such a metal, e.g. an iodide. The filter, where used, may be a silicate glass, e.g. soda-lime, lead, borosilicate, barium or alumina silicate glass, or a borate glass, e.g. alumina borate glass. The photocurable composition suitably comprises as the curable component an unsaturated polyester, unsaturated polyurethane, unsaturated acrylic, unsaturated alkyd or unsaturated epoxy resin. Examples of the photosensitizer are benzoin, benzoin ethers, benzophenone, benzil, 2,4-dichlorobenzaldehyde and disulphides. The photocuring process is of particular application in the curing of coloured coatings and, in addition to a colourant, the compositions may include such components as polymerizable monomers, solvents, fillers, &c. In the examples, the photocurable compositions are based on urethane-acrylate resins; polyesters modified by reaction with glycidyl methacrylate or a urethane-acrylate to introduce unsaturation; and acrylic resins modified by esterification to introduce unsaturation. In some cases the resins are used together with monomers selected from methyl methacrylate, trimethylolpropane trimethacrylate, cyclohexyl methacrylate, triallyl isocyanurate and styrene.
GB4017274A 1973-09-17 1974-09-16 Method of curing photo-curable coating compositions Expired GB1479742A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10472673A JPS5419896B2 (en) 1973-09-17 1973-09-17
JP10472773A JPS5419897B2 (en) 1973-09-17 1973-09-17

Publications (1)

Publication Number Publication Date
GB1479742A true GB1479742A (en) 1977-07-13

Family

ID=26445127

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4017274A Expired GB1479742A (en) 1973-09-17 1974-09-16 Method of curing photo-curable coating compositions

Country Status (3)

Country Link
DE (1) DE2442879C3 (en)
FR (1) FR2243962B1 (en)
GB (1) GB1479742A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429818A1 (en) * 1978-06-26 1980-01-25 Lord Corp LOW GLOSS FINISH LAYERS OBTAINED BY INTENSITY GRADIENT HARDENING
US4308120A (en) 1978-10-02 1981-12-29 Rohm Gmbh Polymerization method using ultraviolet light
GB2191199A (en) * 1986-05-10 1987-12-09 Ciba Geigy Ag Method of forming images
US5194365A (en) * 1985-06-19 1993-03-16 Ciba-Geigy Corporation Method for forming images
WO2006125723A1 (en) * 2005-05-27 2006-11-30 Basf Coatings Ag Method for producing scratch-resistant cured materials

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5224286A (en) * 1975-06-30 1977-02-23 Toyoda Gosei Co Ltd Metallized article having a metallic thin film on its surface
DE102004047104A1 (en) 2004-09-29 2006-04-06 Schott Ag Ultra violet light band- elimination filter for use in e.g. auto body repairing workshop, has glass body with floated borosilicate glass and coated with silver containing diffusion color
CN112812235A (en) * 2021-01-27 2021-05-18 重庆海联水性涂料有限公司 Water-based epoxy modified resin and preparation method thereof, and paint and preparation method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2429818A1 (en) * 1978-06-26 1980-01-25 Lord Corp LOW GLOSS FINISH LAYERS OBTAINED BY INTENSITY GRADIENT HARDENING
US4308120A (en) 1978-10-02 1981-12-29 Rohm Gmbh Polymerization method using ultraviolet light
US5194365A (en) * 1985-06-19 1993-03-16 Ciba-Geigy Corporation Method for forming images
GB2191199A (en) * 1986-05-10 1987-12-09 Ciba Geigy Ag Method of forming images
US4849320A (en) * 1986-05-10 1989-07-18 Ciba-Geigy Corporation Method of forming images
GB2191199B (en) * 1986-05-10 1990-06-13 Ciba Geigy Ag Photopolymerisation method for forming images
WO2006125723A1 (en) * 2005-05-27 2006-11-30 Basf Coatings Ag Method for producing scratch-resistant cured materials

Also Published As

Publication number Publication date
DE2442879B2 (en) 1978-04-13
FR2243962B1 (en) 1979-02-02
DE2442879A1 (en) 1975-03-27
FR2243962A1 (en) 1975-04-11
DE2442879C3 (en) 1978-12-14

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Legal Events

Date Code Title Description
PS Patent sealed
EER Erroneous entry in the register of patents:

Free format text: DOCUMENT WAS IDENTIFIED AS HAVING CEASED WHILE IN FACT IT WAS STILL IN FORCE

EER Erroneous entry in the register of patents:

Free format text: DOCUMENT WAS IDENTIFIED AS HAVING CEASED WHILE IN FACT IT WAS STILL IN FORCE

EER Erroneous entry in the register of patents:

Free format text: DOCUMENT WAS IDENTIFIED AS HAVING CEASED WHILE IN FACT IT WAS STILL IN FORCE

EER Erroneous entry in the register of patents:

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PE20 Patent expired after termination of 20 years

Effective date: 19940915