GB1112758A - Polyamine compositions and their use as curing agents - Google Patents

Polyamine compositions and their use as curing agents

Info

Publication number
GB1112758A
GB1112758A GB1872466A GB1872466A GB1112758A GB 1112758 A GB1112758 A GB 1112758A GB 1872466 A GB1872466 A GB 1872466A GB 1872466 A GB1872466 A GB 1872466A GB 1112758 A GB1112758 A GB 1112758A
Authority
GB
United Kingdom
Prior art keywords
amino groups
diamine
cycloaliphatic
heating
solid
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
GB1872466A
Inventor
Edward Henry George Sargent
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.)
DRAYTON RES Ltd
Original Assignee
DRAYTON RES 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 DRAYTON RES Ltd filed Critical DRAYTON RES Ltd
Priority to GB1872466A priority Critical patent/GB1112758A/en
Publication of GB1112758A publication Critical patent/GB1112758A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

A heat activatable polyamine powder, obtained by reacting in substantially equimolar ratio a monoaldehyde and a cycloaliphatic diamine, having amino groups of different reactivity, heating the initial reaction product, cooling the mixture, and pulverizing the crystalline solid so formed, is used as a curing agent for solid and liquid epoxy resins.ALSO:A polyamine powder is prepared by reacting in substantially equimolar ratio a monoaldehyde and a cycloaliphatic diamine having amino groups of different reactivity, heating the initial reaction product, cooling the liquid produced to form a crystalline solid and pulverizing this solid. Suitable aldehydes are, for example, formaldehyde, acetaldehyde, furfural and benzaldehyde. Suitable cycloaliphatic diamines are those having two amino groups attached to a cycloaliphatic ring, one of the amino groups being less reactive than the other, e.g. menthane diamine and isophorone diamine. The heating is generally carried out at 100-120 DEG C. for 20-24 hours. In an example isophorone diamine is reacted with paraformaldehyde.
GB1872466A 1966-04-28 1966-04-28 Polyamine compositions and their use as curing agents Expired GB1112758A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1872466A GB1112758A (en) 1966-04-28 1966-04-28 Polyamine compositions and their use as curing agents

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1872466A GB1112758A (en) 1966-04-28 1966-04-28 Polyamine compositions and their use as curing agents

Publications (1)

Publication Number Publication Date
GB1112758A true GB1112758A (en) 1968-05-08

Family

ID=10117329

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1872466A Expired GB1112758A (en) 1966-04-28 1966-04-28 Polyamine compositions and their use as curing agents

Country Status (1)

Country Link
GB (1) GB1112758A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10023702B2 (en) 2011-09-02 2018-07-17 Bae Systems Plc Curable monomers
US20220056305A1 (en) * 2020-08-18 2022-02-24 National Technology & Engineering Solutions Of Sandia, Llc Method of controlled conversion of thermosetting resins and additive manufacturing thereof by selective laser sintering

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10023702B2 (en) 2011-09-02 2018-07-17 Bae Systems Plc Curable monomers
US20220056305A1 (en) * 2020-08-18 2022-02-24 National Technology & Engineering Solutions Of Sandia, Llc Method of controlled conversion of thermosetting resins and additive manufacturing thereof by selective laser sintering
US11618835B2 (en) * 2020-08-18 2023-04-04 National Technology & Engineering Solutions Of Sandia, Llc Method of controlled conversion of thermosetting resins and additive manufacturing thereof by selective laser sintering

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