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GB524350A - Improvements in or relating to condensation products of the urea-formaldehyde type - Google Patents

Improvements in or relating to condensation products of the urea-formaldehyde type

Info

Publication number
GB524350A
GB524350A GB294539A GB294539A GB524350A GB 524350 A GB524350 A GB 524350A GB 294539 A GB294539 A GB 294539A GB 294539 A GB294539 A GB 294539A GB 524350 A GB524350 A GB 524350A
Authority
GB
United Kingdom
Prior art keywords
melamine
urea
formate
added
melam
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
GB294539A
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.)
British Industrial Plastics Ltd
Original Assignee
British Industrial Plastics 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
Priority to BE461243D priority Critical patent/BE461243A/xx
Application filed by British Industrial Plastics Ltd filed Critical British Industrial Plastics Ltd
Priority to GB294539A priority patent/GB524350A/en
Publication of GB524350A publication Critical patent/GB524350A/en
Priority to FR916670D priority patent/FR916670A/en
Priority to ES0174932A priority patent/ES174932A1/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
    • C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08L61/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08L61/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3477—Six-membered rings
    • C08K5/3492—Triazines
    • C08K5/34922—Melamine; Derivatives thereof

Landscapes

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

Abstract

524,350. Urea - aldehyde condensation products. BRITISH INDUSTRIAL PLASTICS, Ltd., and BROOKES, A. Jan. 27, 1939, No. 2945. [Class 2 (iii)] The hardening of urea-aldehyde condensates is accelerated by the addition of diaminodiazines or -1:3: 5-triazines or their salts. or mixtures of these materials. These may be added to urea-aldehyde glues or moulding powders in addition to, or in substitution for all or part of, the conventional acid hardener. Materials specified are melamine, its sulphate, oxalate, formate, acetate, and hydrochloride. the mixture, comprising mainly melamine : melam, melem, mellon, obtained by heating dicyandiamide ; crude melam thiocyanate, obtained by heating ammonium thiocyanate ; 1: 4-diaminophthalazine ; 4 : 6-diaminopyrimidine; and 2 : 4-diaminoquinazoline. The glues may be used in manufacturing composite materials, e.g. plywood. In examples : melamine or its formate is added to a neutral ureaformaldehyde glue and the product applied to laminae which are hot-pressed to form plywood or to paper to form a film glue ; to a ureaformaldehyde glue is added crude melam thiocyanate or tartaric acid and the product obtained by fusing dicyandiamide : to a ureaformaldehyde moulding powder is added melamine formate or acetate, melamine, or melamine and its hydrochloride, formate or acetate.
GB294539A 1939-01-27 1939-01-27 Improvements in or relating to condensation products of the urea-formaldehyde type Expired GB524350A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE461243D BE461243A (en) 1939-01-27
GB294539A GB524350A (en) 1939-01-27 1939-01-27 Improvements in or relating to condensation products of the urea-formaldehyde type
FR916670D FR916670A (en) 1939-01-27 1945-10-30 Process for curing condensation products of the ureaformaldehyde type and resulting products
ES0174932A ES174932A1 (en) 1939-01-27 1946-09-11 A PROCEDURE FOR HARDENING UREA-FORMALDEHYDE-TYPE COMPENSATION PRODUCTS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB294539A GB524350A (en) 1939-01-27 1939-01-27 Improvements in or relating to condensation products of the urea-formaldehyde type

Publications (1)

Publication Number Publication Date
GB524350A true GB524350A (en) 1940-08-05

Family

ID=9749014

Family Applications (1)

Application Number Title Priority Date Filing Date
GB294539A Expired GB524350A (en) 1939-01-27 1939-01-27 Improvements in or relating to condensation products of the urea-formaldehyde type

Country Status (4)

Country Link
BE (1) BE461243A (en)
ES (1) ES174932A1 (en)
FR (1) FR916670A (en)
GB (1) GB524350A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE950812C (en) * 1950-08-25 1956-10-18 Sueddeutsche Kalkstickstoff Process for the production of resinous condensation products from melamine
EP0062389A1 (en) * 1981-04-07 1982-10-13 METHANOL CHEMIE NEDERLAND V.o.F. Manufacture of particle board and a novel suitable bonding agent

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1094979B (en) * 1958-06-19 1960-12-15 Albert Ag Chem Werke Process for curing aminoplast molding compounds

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE950812C (en) * 1950-08-25 1956-10-18 Sueddeutsche Kalkstickstoff Process for the production of resinous condensation products from melamine
EP0062389A1 (en) * 1981-04-07 1982-10-13 METHANOL CHEMIE NEDERLAND V.o.F. Manufacture of particle board and a novel suitable bonding agent

Also Published As

Publication number Publication date
BE461243A (en)
FR916670A (en) 1946-12-12
ES174932A1 (en) 1947-06-01

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