GB1102384A - Melamine-formaldehyde resins for electrodeposition - Google Patents

Melamine-formaldehyde resins for electrodeposition

Info

Publication number
GB1102384A
GB1102384A GB4611865A GB4611865A GB1102384A GB 1102384 A GB1102384 A GB 1102384A GB 4611865 A GB4611865 A GB 4611865A GB 4611865 A GB4611865 A GB 4611865A GB 1102384 A GB1102384 A GB 1102384A
Authority
GB
United Kingdom
Prior art keywords
acid
hydroxy
melamine
resins
etherified
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
GB4611865A
Inventor
Alec Richard Harnsey Tawn
Martin John Zissell
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.)
Coates Brothers and Co Ltd
Original Assignee
Coates Brothers and 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
Application filed by Coates Brothers and Co Ltd filed Critical Coates Brothers and Co Ltd
Publication of GB1102384A publication Critical patent/GB1102384A/en
Expired 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
    • C09D5/4419—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications with polymers obtained otherwise than by polymerisation reactions only involving carbon-to-carbon unsaturated bonds
    • C09D5/4469—Phenoplasts; Aminoplasts
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/40—Chemically modified polycondensates
    • C08G12/42—Chemically modified polycondensates by etherifying
    • C08G12/424—Chemically modified polycondensates by etherifying of polycondensates based on heterocyclic compounds
    • C08G12/425—Chemically modified polycondensates by etherifying of polycondensates based on heterocyclic compounds based on triazines
    • C08G12/427—Melamine
    • 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
    • C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
    • C09D161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C09D161/32—Modified amine-aldehyde condensates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Molecular Biology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Paints Or Removers (AREA)
  • Phenolic Resins Or Amino Resins (AREA)

Abstract

Polar melamine-formaldehyde resins are prepared by the transesterification of a highly etherified melamine formaldehyde condensate by means of a hydroxy carboxylic acid which does not contain an ether linkage. The initial condensate may be a polymethoxymethyl melamine, in which the degree of substitution is not less than five and in which at least 80% of the methylol groups are etherified. The hydroxy acid may be aliphatic or cycloaliphatic and contain one, two or three carboxyl groups and one or two primary or secondary hydroxyl groups. Aromatic acids may be used but are less reactive. Acids used in the examples include dimethylol propionic acid, 12-hydroxy stearic acid, lactic acid, 2-hydroxybutyric acid and m-hydroxy benzoic acid. The proportions of condensate and hydroxy acid may correspond to one melamine nucleus per hydroxyl group of the hydroxy acid. The trans-etherified product may be partially or completely neutralized by a volatile base (e.g. triethylamine) and diluted with water. The resins are suitable for use in electrodeposition processes and may be readily mixed with other resins, e.g. alkyds and other polyesters, to form coating compositions.
GB4611865A 1965-10-11 1965-10-11 Melamine-formaldehyde resins for electrodeposition Expired GB1102384A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4311865 1965-10-11

Publications (1)

Publication Number Publication Date
GB1102384A true GB1102384A (en) 1968-02-07

Family

ID=10427394

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4611865A Expired GB1102384A (en) 1965-10-11 1965-10-11 Melamine-formaldehyde resins for electrodeposition

Country Status (4)

Country Link
AT (1) AT279165B (en)
DE (1) DE1595445A1 (en)
GB (1) GB1102384A (en)
NL (1) NL6614313A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4393207A (en) 1980-07-04 1983-07-12 Basf Aktiengesellschaft Alkoxyalkylaminotriazine trans-etherification products
EP0158874A2 (en) * 1984-03-28 1985-10-23 Ppg Industries, Inc. Curable iminated resins from aminoplasts and hydroxylcontaining carboxylic acids

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4066525A (en) * 1975-12-22 1978-01-03 Scm Corporation Cathodic electrocoating process

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4393207A (en) 1980-07-04 1983-07-12 Basf Aktiengesellschaft Alkoxyalkylaminotriazine trans-etherification products
EP0158874A2 (en) * 1984-03-28 1985-10-23 Ppg Industries, Inc. Curable iminated resins from aminoplasts and hydroxylcontaining carboxylic acids
EP0158874A3 (en) * 1984-03-28 1986-07-16 Ppg Industries, Inc. Curable iminated resins from aminoplasts and hydroxylcontaining carboxylic acids

Also Published As

Publication number Publication date
DE1595445A1 (en) 1970-03-19
NL6614313A (en) 1967-04-12
AT279165B (en) 1970-02-25

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