CA975493A - Process for the preparation of resins from urea and formaldehyde - Google Patents

Process for the preparation of resins from urea and formaldehyde

Info

Publication number
CA975493A
CA975493A CA159,571A CA159571A CA975493A CA 975493 A CA975493 A CA 975493A CA 159571 A CA159571 A CA 159571A CA 975493 A CA975493 A CA 975493A
Authority
CA
Canada
Prior art keywords
formaldehyde
urea
resins
preparation
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
CA159,571A
Other languages
English (en)
Other versions
CA159571S (en
Inventor
Silvio Vargiu
S. Giovanni Sesto
Ugo Nistri
Giorgio Mazzoleni
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.)
Societa Italiana Resine SpA SIR
Original Assignee
Societa Italiana Resine SpA SIR
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 Societa Italiana Resine SpA SIR filed Critical Societa Italiana Resine SpA SIR
Application granted granted Critical
Publication of CA975493A publication Critical patent/CA975493A/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
    • C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
    • C08G12/12—Ureas; Thioureas
    • 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
    • C08G12/40—Chemically modified polycondensates
    • C08G12/42—Chemically modified polycondensates by etherifying
    • C08G12/421—Chemically modified polycondensates by etherifying of polycondensates based on acyclic or carbocyclic compounds
    • C08G12/422—Chemically modified polycondensates by etherifying of polycondensates based on acyclic or carbocyclic compounds based on urea or thiourea

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
CA159,571A 1971-12-27 1972-12-20 Process for the preparation of resins from urea and formaldehyde Expired CA975493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT32958/71A IT951964B (it) 1971-12-27 1971-12-27 Procedimento perfezionato per la preparazione di resine da urea e formaldeide

Publications (1)

Publication Number Publication Date
CA975493A true CA975493A (en) 1975-09-30

Family

ID=11236212

Family Applications (1)

Application Number Title Priority Date Filing Date
CA159,571A Expired CA975493A (en) 1971-12-27 1972-12-20 Process for the preparation of resins from urea and formaldehyde

Country Status (11)

Country Link
US (1) US3830783A (enExample)
JP (1) JPS5019158B2 (enExample)
CA (1) CA975493A (enExample)
CH (1) CH587294A5 (enExample)
DE (1) DE2262197C2 (enExample)
ES (1) ES410027A1 (enExample)
FR (1) FR2166232B1 (enExample)
GB (1) GB1376385A (enExample)
IT (1) IT951964B (enExample)
NL (1) NL172665C (enExample)
YU (1) YU35373B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1570339A (en) 1976-06-23 1980-06-25 Ici Ltd Process for producing aqueous-formaldehyde resin solutions
GB1603431A (en) * 1977-05-24 1981-11-25 British Industrial Plastics Resin manufacture
DE2825590C2 (de) * 1978-06-10 1983-05-05 Th. Goldschmidt Ag, 4300 Essen Verfahren zur Herstellung von wärmehärtbaren Harnstoff-Formaldehyd-Harzen und deren Verwendung
JPS55160011A (en) * 1979-05-31 1980-12-12 Hitachi Chem Co Ltd Apparatus for producing amino resin
DE3046033A1 (de) * 1980-12-06 1982-07-15 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von leimharzen
US4455416A (en) * 1983-07-14 1984-06-19 Sun Chemical Corporation Cyclic urea/glyoxal/polyol condensates and their use in treating textile fabrics and paper
US4536245A (en) * 1983-10-11 1985-08-20 Borden, Inc. Low formaldehyde emission urea-formaldehyde resins containing a melamine additive
GB2192005B (en) * 1986-06-27 1989-12-13 Ciba Geigy Ag Process for the preparation of urea-formaldehyde resins
GB8715305D0 (en) * 1987-06-30 1987-08-05 Ciba Geigy Ag Process
DE3741438A1 (de) * 1987-12-08 1989-06-22 Wolf Dietrich Dipl Schoellhorn Harnstoff-formaldehyd-harz, seine herstellung und seine verwendung
US4960856A (en) * 1988-11-28 1990-10-02 Georgia-Pacific Corporation Urea-formaldehyde compositions and method of manufacture
US5110898A (en) * 1988-11-28 1992-05-05 Georgia-Pacific Corporation Method for manufacturing amino-aldehyde compositions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2669551A (en) * 1953-01-09 1954-02-16 Westinghouse Electric Corp Urea-formaldehyde resin and method of making same
US3067177A (en) * 1957-10-30 1962-12-04 Montedison Spa Process for producing concentrated urea-formaldehyde solutions by absorbing gaseous formaldehyde in aqueous urea solutions
US2999847A (en) * 1959-02-16 1961-09-12 American Cyanamid Co Urea and thiourea resinous composition
US3198761A (en) * 1961-04-27 1965-08-03 Hercules Powder Co Ltd Urea-formaldehyde compositions and their manufacture

Also Published As

Publication number Publication date
NL7217682A (enExample) 1973-06-29
JPS4876990A (enExample) 1973-10-16
DE2262197A1 (de) 1973-07-19
GB1376385A (en) 1974-12-04
DE2262197C2 (de) 1981-12-10
CH587294A5 (enExample) 1977-04-29
YU35373B (en) 1980-12-31
NL172665C (nl) 1983-10-03
IT951964B (it) 1973-07-10
ES410027A1 (es) 1975-12-01
NL172665B (nl) 1983-05-02
FR2166232B1 (enExample) 1975-06-20
FR2166232A1 (enExample) 1973-08-10
YU324972A (en) 1980-06-30
JPS5019158B2 (enExample) 1975-07-04
US3830783A (en) 1974-08-20

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