GB497124A - A process for the manufacture of non-gelatinising synthetic resin solution - Google Patents

A process for the manufacture of non-gelatinising synthetic resin solution

Info

Publication number
GB497124A
GB497124A GB7128/38A GB712838A GB497124A GB 497124 A GB497124 A GB 497124A GB 7128/38 A GB7128/38 A GB 7128/38A GB 712838 A GB712838 A GB 712838A GB 497124 A GB497124 A GB 497124A
Authority
GB
United Kingdom
Prior art keywords
melamine
mixture
sodium acetate
manufacture
aqueous solutions
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
GB7128/38A
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.)
Deutsche Hydrierwerke AG
Original Assignee
Deutsche Hydrierwerke AG
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 Deutsche Hydrierwerke AG filed Critical Deutsche Hydrierwerke AG
Publication of GB497124A publication Critical patent/GB497124A/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
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic 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
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
    • C08G12/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with substituted diazines, diazoles or triazoles
    • 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
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
    • C08G12/30—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with substituted triazines

Abstract

Stable, non-gelatinizing aqueous solutions of condensation products of aminodiazines or aminotriazines with aldehydes are prepared by adding to the aqueous solutions before, during or after condensation, small quantities of such water-soluble alkali salts of weak organic acids as from 1 per cent aqueous solutions having a pH value less than 10. The solutions may be used as adhesives or in the manufacture of moulded articles. In examples: (1) melamine is condensed with aqueous formaldehyde in the presence of sodium acetate; (2) a mixture of melamine and urea is partially condensed with aqueous formaldehyde, sodium acetate added, and the mixture partially evaporated; (3) a mixture of melamine, melam, melem and mellon (obtained by heating ammonium thiocyanate) is heated with paraformaldehyde, sodium acetate and water.
GB7128/38A 1937-03-17 1938-03-07 A process for the manufacture of non-gelatinising synthetic resin solution Expired GB497124A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE497124X 1937-03-17

Publications (1)

Publication Number Publication Date
GB497124A true GB497124A (en) 1938-12-13

Family

ID=6545132

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7128/38A Expired GB497124A (en) 1937-03-17 1938-03-07 A process for the manufacture of non-gelatinising synthetic resin solution

Country Status (1)

Country Link
GB (1) GB497124A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2532278A (en) * 1948-04-24 1950-12-05 Du Pont Production of hydantoin formaldehyde resins
NL1006751C2 (en) * 1997-08-08 1999-02-09 Dsm Nv Melam-modified amino-formaldehyde resins

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2532278A (en) * 1948-04-24 1950-12-05 Du Pont Production of hydantoin formaldehyde resins
NL1006751C2 (en) * 1997-08-08 1999-02-09 Dsm Nv Melam-modified amino-formaldehyde resins

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