GB842073A - Improvements in or relating to moulding and like compositions - Google Patents

Improvements in or relating to moulding and like compositions

Info

Publication number
GB842073A
GB842073A GB42107/58A GB4210758A GB842073A GB 842073 A GB842073 A GB 842073A GB 42107/58 A GB42107/58 A GB 42107/58A GB 4210758 A GB4210758 A GB 4210758A GB 842073 A GB842073 A GB 842073A
Authority
GB
United Kingdom
Prior art keywords
anhydride
epoxide
pyromellitic
catalyst
dicyandiamide
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
GB42107/58A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB842073A publication Critical patent/GB842073A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/66—Polyesters containing oxygen in the form of ether groups
    • C08G63/668—Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
    • 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
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used
    • C08G63/87—Non-metals or inter-compounds thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Epoxy Resins (AREA)

Abstract

A composition suitable for use in a moulding, potting, adhesive or laminating composition and curable to a resin when heated to 80 DEG -180 DEG C., comprises a mono-epoxide, a di-anhydride of a polycarboxylic acid and an amino curing catalyst; the amount of di-anhydride being such as to provide 0,5-1,0 anhydride groups for each epoxide group, and the amount of catalyst being 0,01-2 % by weight of the epoxide. The di-anhydride may be pyromellitic di-anhydride or cyclopentanetetracarboxylic di-anhydride. The catalyst may be dicyandiamide, diisopropylamine, dimethylibenzyalmine, N-hydroxypropyl ethylenediamine, the tris (2-ethyl-hexanoate) of 2,4,6-tris (dimethylaminomethyl) phenol, ethylenediamine, cyclohexylamine, tertbutylamine, m-xylylene diamine, aniline, piperidine or methylenedianiline. Examples describe curable compositions comprising (1) Glycidyl p-toluate, pyromellitic di-anhydride and dicyandiamide (2) -(4) Phenyl glycidyl ether, pyromellitic dianhydride and idcyandiamide, N-hydroxypropylethylenediamine or tert-butyl-amine.
GB42107/58A 1957-12-31 1958-12-30 Improvements in or relating to moulding and like compositions Expired GB842073A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1223411XA 1957-12-31 1957-12-31
US842073XA 1957-12-31 1957-12-31

Publications (1)

Publication Number Publication Date
GB842073A true GB842073A (en) 1960-07-20

Family

ID=26770704

Family Applications (1)

Application Number Title Priority Date Filing Date
GB42107/58A Expired GB842073A (en) 1957-12-31 1958-12-30 Improvements in or relating to moulding and like compositions

Country Status (3)

Country Link
DE (1) DE1099731B (en)
FR (1) FR1223411A (en)
GB (1) GB842073A (en)

Also Published As

Publication number Publication date
FR1223411A (en) 1960-06-16
DE1099731B (en) 1961-02-16

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