DE3202408A1 - Process for the flexibilisation of epoxy resins - Google Patents

Process for the flexibilisation of epoxy resins

Info

Publication number
DE3202408A1
DE3202408A1 DE19823202408 DE3202408A DE3202408A1 DE 3202408 A1 DE3202408 A1 DE 3202408A1 DE 19823202408 DE19823202408 DE 19823202408 DE 3202408 A DE3202408 A DE 3202408A DE 3202408 A1 DE3202408 A1 DE 3202408A1
Authority
DE
Germany
Prior art keywords
epoxy resins
flexibilisation
process
modified epoxy
mol
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.)
Granted
Application number
DE19823202408
Other languages
German (de)
Other versions
DE3202408C2 (en
Inventor
Juergen Dr Fock
Dietmar Dr Schedlitzki
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.)
Evonik Goldschmidt GmbH
Original Assignee
Evonik Goldschmidt GmbH
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 Evonik Goldschmidt GmbH filed Critical Evonik Goldschmidt GmbH
Priority to DE19823202408 priority Critical patent/DE3202408C2/de
Publication of DE3202408A1 publication Critical patent/DE3202408A1/en
Application granted granted Critical
Publication of DE3202408C2 publication Critical patent/DE3202408C2/de
Application status is Expired legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/02Polycondensates containing more than one epoxy group per molecule
    • C08G59/12Polycondensates containing more than one epoxy group per molecule of polycarboxylic acids with epihalohydrins or precursors thereof

Abstract

The invention relates to a process for the flexibilisation of epoxy resins by addition of products of the reaction of castor oil with cyclic polycarboxylic anhydrides in a molar ratio of from 0.35 to 1 mol of anhydride groups per mol of hydroxyl groups. The modifiers have low viscosity, so that even the modified epoxy resins scarcely differ from their initial viscosity. The modified epoxy resins exhibit, inter alia, improved adhesion to polyvinyl chloride surfaces.
DE19823202408 1982-01-26 1982-01-26 Expired DE3202408C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19823202408 DE3202408C2 (en) 1982-01-26 1982-01-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823202408 DE3202408C2 (en) 1982-01-26 1982-01-26

Publications (2)

Publication Number Publication Date
DE3202408A1 true DE3202408A1 (en) 1983-08-04
DE3202408C2 DE3202408C2 (en) 1983-12-08

Family

ID=6153936

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823202408 Expired DE3202408C2 (en) 1982-01-26 1982-01-26

Country Status (1)

Country Link
DE (1) DE3202408C2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4001417A1 (en) * 1990-01-19 1991-07-25 Beiersdorf Ag Zaehelastified two-component epoxy resin adhesive
EP1187595A1 (en) * 1999-06-29 2002-03-20 Isp Investments Inc. High purity adduct of castor oil and a cyclic carboxylic acid anhydride

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4001417A1 (en) * 1990-01-19 1991-07-25 Beiersdorf Ag Zaehelastified two-component epoxy resin adhesive
EP1187595A1 (en) * 1999-06-29 2002-03-20 Isp Investments Inc. High purity adduct of castor oil and a cyclic carboxylic acid anhydride
JP2003503330A (en) * 1999-06-29 2003-01-28 アイエスピー インヴェストメンツ インコーポレイテッド High purity adduct of castor oil and cyclic carboxylic anhydride
EP1187595A4 (en) * 1999-06-29 2003-06-04 Isp Investments Inc High purity adduct of castor oil and a cyclic carboxylic acid anhydride
JP4716632B2 (en) * 1999-06-29 2011-07-06 アイエスピー インヴェストメンツ インコーポレイテッドIsp Investments Inc. High purity adduct of castor oil and cyclic carboxylic anhydride

Also Published As

Publication number Publication date
DE3202408C2 (en) 1983-12-08

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8330 Complete disclaimer