BG48876A1 - Epoxy composition - Google Patents

Epoxy composition

Info

Publication number
BG48876A1
BG48876A1 BG8951089A BG8951089A BG48876A1 BG 48876 A1 BG48876 A1 BG 48876A1 BG 8951089 A BG8951089 A BG 8951089A BG 8951089 A BG8951089 A BG 8951089A BG 48876 A1 BG48876 A1 BG 48876A1
Authority
BG
Bulgaria
Prior art keywords
composition
phosphorus
minutes
epoxy
cross
Prior art date
Application number
BG8951089A
Inventor
Ivan K Glavchev
Ivan T Devedzhiev
Original Assignee
Vissh Khim T I
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 Vissh Khim T I filed Critical Vissh Khim T I
Priority to BG8951089A priority Critical patent/BG48876A1/en
Publication of BG48876A1 publication Critical patent/BG48876A1/en

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  • Epoxy Resins (AREA)

Abstract

This epoxy composition can be used for gluing or manufacturing parts in mechanical engineering. Its cross-linking takes a relatively short time at moderate temperatures through the usage of accelerators, such as phosphorus-containing organic compounds, or hypophosphorous acid derivatives with the resins obtained, which exhibit high shear strength. The composition is made up, in parts by weight of the total quantity, of 100.00 dianic epoxy resin with a molecular weight of 600 and containing 18 % (w/w) epoxy groups, 35.00 maleic anhydride or 47.00 phthalic anhydride, as well as a 1.00 phosphorus-containing accelerator. The mixture is homogenized by stirring and heated to 80 degrees C. The duration of cross-linking at this temperature, depending on the type of accelerator used, ranges from between 120 and 360 minutes for the composition containing maleic anhydride to between 380 and 480 minutes for the composition containing phthalic anhydride.
BG8951089A 1989-08-09 1989-08-09 Epoxy composition BG48876A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BG8951089A BG48876A1 (en) 1989-08-09 1989-08-09 Epoxy composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG8951089A BG48876A1 (en) 1989-08-09 1989-08-09 Epoxy composition

Publications (1)

Publication Number Publication Date
BG48876A1 true BG48876A1 (en) 1991-06-14

Family

ID=3922215

Family Applications (1)

Application Number Title Priority Date Filing Date
BG8951089A BG48876A1 (en) 1989-08-09 1989-08-09 Epoxy composition

Country Status (1)

Country Link
BG (1) BG48876A1 (en)

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