GB1081295A - Copolymers and preparation thereof - Google Patents

Copolymers and preparation thereof

Info

Publication number
GB1081295A
GB1081295A GB5140863A GB5140863A GB1081295A GB 1081295 A GB1081295 A GB 1081295A GB 5140863 A GB5140863 A GB 5140863A GB 5140863 A GB5140863 A GB 5140863A GB 1081295 A GB1081295 A GB 1081295A
Authority
GB
United Kingdom
Prior art keywords
parts
reaction
maleic anhydride
epoxy resin
acid
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
GB5140863A
Inventor
Nobuyoshi Nagata
Shu Taniguchi
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
Application filed by Nippon Paint Co Ltd filed Critical Nippon Paint Co Ltd
Priority to GB5140863A priority Critical patent/GB1081295A/en
Publication of GB1081295A publication Critical patent/GB1081295A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08F299/026—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 the reaction products of polyepoxides and unsaturated monocarboxylic acids, their anhydrides, halogenides or esters with low molecular weight
    • 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
    • C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/62—Monocarboxylic acids having ten or more carbon atoms; Derivatives thereof
    • 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
    • C08F22/00—Homopolymers and 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 carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides or nitriles thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Paints Or Removers (AREA)

Abstract

Copolymers having at least one unreacted epoxy radical and at least one carboxyl radical per molecule are prepared by reacting 45.0 to 97.5 parts by wt. of an epoxy resin having 2 radicals of the formula <FORM:1081295/C3/1> and 2.5 to 55.0 parts by wt. of an a ,b -ethylenically unsaturated carboxylic acid or maleic anhydride with heating until the percentage change of acid value is more than 10% but less than 100% to form a reaction product, and then copolymerizing 0.1 to 50 parts by wt. of this reaction product with 50.0 to 99.9 parts by wt. of at least one other copolymerizable monomer, and terminating the copolymerization while the resulting resin is still hardenable. The first reaction step is preferably performed in the presence of a polymerization inhibitor and the second step in the presence of a chain-transfer agent. In the examples: esters of epoxy resins and acrylic acid, methacrylic acid or maleic anhydride are prepared in the presence of hydroquinone by reaction in bulk or in solution and are solution copolymerized in the presence or absence of lauryl mercaptan using benzoyl peroxide or perchloride as catalyst with methyl methacrylate and ethyl acrylate and optionally other monomers selected from acrylic acid, styrene, acrylamide and acrylonitrile. In Example 8 a copolymer of an acrylic ester of an epoxy resin, methyl methacrylate, ethyl acrylate, styrene, acrylonitrile and acrylamide is methylolated by reaction with paraformaldehyde in the presence of triethylamine. The products may be compounded with further solvents and pigments to give coating compositions.ALSO:Substrates such as board or metals (e.g. iron plates) are coated (e.g. by pouring or spraying) with compositions comprising a copolymer of ethylenically copolymerizable monomers and an ester of an epoxy resin having 2 radicals of the formula <FORM:1081295/B1-B2/1> in the molecule and an a ,b -ethylenically unsaturated carboxylic acid or maleic anhydride (see Division C3).
GB5140863A 1964-01-31 1964-01-31 Copolymers and preparation thereof Expired GB1081295A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5140863A GB1081295A (en) 1964-01-31 1964-01-31 Copolymers and preparation thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5140863A GB1081295A (en) 1964-01-31 1964-01-31 Copolymers and preparation thereof

Publications (1)

Publication Number Publication Date
GB1081295A true GB1081295A (en) 1967-08-31

Family

ID=10459896

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5140863A Expired GB1081295A (en) 1964-01-31 1964-01-31 Copolymers and preparation thereof

Country Status (1)

Country Link
GB (1) GB1081295A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098841A (en) 1963-12-23 1978-07-04 Nippon Paint Co., Ltd. Thermoplastic copolymers and preparation thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098841A (en) 1963-12-23 1978-07-04 Nippon Paint Co., Ltd. Thermoplastic copolymers and preparation thereof

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