PT79643A - A process for preparing a urea-formaldehyde resin having a very low mole ratio of formaldehyde to urea - Google Patents

A process for preparing a urea-formaldehyde resin having a very low mole ratio of formaldehyde to urea

Info

Publication number
PT79643A
PT79643A PT79643A PT7964384A PT79643A PT 79643 A PT79643 A PT 79643A PT 79643 A PT79643 A PT 79643A PT 7964384 A PT7964384 A PT 7964384A PT 79643 A PT79643 A PT 79643A
Authority
PT
Portugal
Prior art keywords
urea
formaldehyde
preparing
mole ratio
low mole
Prior art date
Application number
PT79643A
Other languages
English (en)
Other versions
PT79643B (en
Inventor
Ho Chee Kong
Original Assignee
Enigma Nv
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 Enigma Nv filed Critical Enigma Nv
Publication of PT79643A publication Critical patent/PT79643A/pt
Publication of PT79643B publication Critical patent/PT79643B/pt

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

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
PT79643A 1983-12-09 1984-12-07 A process for preparing a urea-formaldehyde resin having a very low mole ratio of formaldehyde to urea PT79643B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08332962A GB2150939B (en) 1983-12-09 1983-12-09 A process for preparing urea-formaldehyde resins
CN85104298.8A CN1005718B (zh) 1983-12-09 1985-06-04 具有极低甲醛对尿素摩尔比的脲甲醛树脂的制备方法

Publications (2)

Publication Number Publication Date
PT79643A true PT79643A (en) 1985-01-01
PT79643B PT79643B (en) 1986-10-21

Family

ID=25741730

Family Applications (1)

Application Number Title Priority Date Filing Date
PT79643A PT79643B (en) 1983-12-09 1984-12-07 A process for preparing a urea-formaldehyde resin having a very low mole ratio of formaldehyde to urea

Country Status (34)

Country Link
US (1) US4603191A (pt)
JP (1) JPS6134010A (pt)
CN (1) CN1005718B (pt)
AT (1) AT383355B (pt)
AU (1) AU569207B2 (pt)
BE (1) BE901236A (pt)
BG (1) BG43694A3 (pt)
BR (1) BR8406271A (pt)
CA (1) CA1242840A (pt)
CH (1) CH663213A5 (pt)
CS (1) CS256385B2 (pt)
DD (1) DD235877A5 (pt)
DE (1) DE3444203A1 (pt)
DK (1) DK585284A (pt)
ES (1) ES8600337A1 (pt)
FI (1) FI79332B (pt)
FR (1) FR2556351B1 (pt)
GB (1) GB2150939B (pt)
GR (1) GR81139B (pt)
HU (1) HU194921B (pt)
IL (1) IL73647A (pt)
IT (1) IT1178271B (pt)
LU (1) LU85673A1 (pt)
NL (1) NL8403699A (pt)
NO (1) NO160852B (pt)
NZ (1) NZ210396A (pt)
PL (1) PL142931B1 (pt)
PT (1) PT79643B (pt)
RO (1) RO90378A (pt)
SE (1) SE458363B (pt)
SG (1) SG57787G (pt)
SU (1) SU1454254A3 (pt)
YU (1) YU44480B (pt)
ZA (1) ZA849088B (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FR2625204B1 (fr) * 1987-12-23 1991-12-06 Charbonnages Ste Chimique Nouveau procede de fabrication des resines uree-formol
FR2625207B1 (fr) * 1987-12-23 1991-12-06 Charbonnages Ste Chimique Nouveau procede de preparation de resines aminoplastes a tres faible degagement de formol
DD283732A7 (de) * 1988-10-21 1990-10-24 ������@�����`������@ ���@������� k�� Verfahren zur herstellung eines reaktiven harnstoff-formaldehyd-harz-leimes
US5110898A (en) * 1988-11-28 1992-05-05 Georgia-Pacific Corporation Method for manufacturing amino-aldehyde compositions
US4960856A (en) * 1988-11-28 1990-10-02 Georgia-Pacific Corporation Urea-formaldehyde compositions and method of manufacture
US5362842A (en) * 1993-09-10 1994-11-08 Georgia Pacific Resins, Inc. Urea-formaldehyde resin composition and method of manufacture thereof
EP0743331A4 (de) * 1994-02-08 1997-01-07 N T Predpr Ligand Verfahren zum herstellen von einem carbamid-formaldehyd-harz und ein kondensat zu seiner herstellung
US5674971A (en) * 1995-06-06 1997-10-07 Georgia-Pacific Resins, Inc. Urea-formaldehyde resin composition and method of preparation thereof
US5681917A (en) * 1996-03-26 1997-10-28 Georgia-Pacific Resins, Inc. Low mole ratio melamine-urea-formaldehyde resin
US5684118A (en) * 1996-03-26 1997-11-04 Georgia-Pacific Resins, Inc. Method of scavenging formaldehyde using a low mole ratio melamine-urea-formaldehyde resin
US6548625B2 (en) 2001-03-23 2003-04-15 Cytec Technology Corp. Stable liquid melamine urea formaldehyde resins, hardeners, adhesive compositions, and methods for making same
CN100344720C (zh) * 2006-03-30 2007-10-24 浙江林学院 环保型低成本脲醛树脂胶生产方法
CN101289567B (zh) * 2007-04-16 2010-07-21 天津优宁福姆建筑节能科技开发有限公司 一种脲醛树脂发泡保温材料
CA2699943C (en) * 2007-09-21 2013-05-28 Saint-Gobain Abrasives, Inc. Melamine methylol for abrasive products
US20090291286A1 (en) * 2008-03-04 2009-11-26 Ziming Shen Laminate manufacturing system, method, and article of manufacture
CN101245129B (zh) * 2008-04-01 2010-06-02 河北大学 一种自升温生产脲醛树脂的方法
WO2012064800A2 (en) * 2010-11-10 2012-05-18 Georgia-Pacific Chemicals Llc Methods for making and using amino-aldehyde resins
RU2537620C2 (ru) * 2013-04-25 2015-01-10 Вячеслав Ефимович Цветков Способ изготовления карбамидоформальдегидного олигомера

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810710A (en) * 1955-06-10 1957-10-22 Borden Co Urea formaldehyde condensation product
US3183200A (en) * 1961-04-27 1965-05-11 Hercules Powder Co Ltd Preparation of liquid urea-formaldehyde condensates and condensates so produced
US3816376A (en) * 1971-03-02 1974-06-11 Basf Ag Continuous manufacture of amino resin solutions
DE2334380B1 (de) * 1973-07-06 1974-09-05 Basf Ag Verfahren zur Herstellung eines Holzleims
FI70385C (fi) * 1978-04-28 1991-08-27 Casco Ab Saett att framstaella cellulosabaserade skivmaterial och komposition haerfoer. al och komposition haerfoer
IT1209203B (it) * 1980-04-10 1989-07-16 Montedison Spa Collante ureico a basso sviluppo di formaldeide ed alto valore di tack.
US4410685A (en) * 1982-09-10 1983-10-18 Borden, Inc. Hydrolytically stable urea-formaldehyde resins and process for manufacturing them
US4501851A (en) * 1982-09-10 1985-02-26 Borden, Inc. Urea-formaldehyde precursor
US4409293A (en) * 1982-09-10 1983-10-11 Borden, Inc. Wood composites of low formaldehyde emission

Also Published As

Publication number Publication date
CN85104298A (zh) 1987-01-14
GR81139B (en) 1985-01-09
ES538374A0 (es) 1985-10-01
NO160852B (no) 1989-02-27
BR8406271A (pt) 1985-10-01
IL73647A (en) 1988-02-29
SG57787G (en) 1987-09-18
PL250797A1 (en) 1985-07-30
FR2556351B1 (fr) 1992-07-24
HU194921B (en) 1988-03-28
GB2150939A (en) 1985-07-10
ZA849088B (en) 1985-07-31
LU85673A1 (de) 1985-07-24
SU1454254A3 (ru) 1989-01-23
AU3609884A (en) 1985-06-13
ES8600337A1 (es) 1985-10-01
DK585284A (da) 1985-06-10
BG43694A3 (en) 1988-07-15
FI844697L (fi) 1985-06-10
PL142931B1 (en) 1987-12-31
JPS6134010A (ja) 1986-02-18
NZ210396A (en) 1987-05-29
PT79643B (en) 1986-10-21
GB8332962D0 (en) 1984-01-18
IT8449269A0 (it) 1984-12-07
IT8449269A1 (it) 1986-06-07
ATA375584A (de) 1986-11-15
AU569207B2 (en) 1988-01-21
SE458363B (sv) 1989-03-20
JPH0510368B2 (pt) 1993-02-09
AT383355B (de) 1987-06-25
SE8406166L (sv) 1985-06-10
FR2556351A1 (fr) 1985-06-14
CS938984A2 (en) 1987-08-13
DK585284D0 (da) 1984-12-07
CA1242840A (en) 1988-10-04
DD235877A5 (de) 1986-05-21
RO90378A (ro) 1986-10-30
DE3444203A1 (de) 1985-06-20
YU44480B (en) 1990-08-31
CH663213A5 (de) 1987-11-30
CN1005718B (zh) 1989-11-08
BE901236A (fr) 1985-06-07
HUT38376A (en) 1986-05-28
FI844697A0 (fi) 1984-11-29
US4603191A (en) 1986-07-29
NO844905L (no) 1985-06-10
CS256385B2 (en) 1988-04-15
GB2150939B (en) 1987-02-04
FI79332B (fi) 1989-08-31
IL73647A0 (en) 1985-02-28
SE8406166D0 (sv) 1984-12-05
YU207684A (en) 1986-08-31
NL8403699A (nl) 1985-07-01
IT1178271B (it) 1987-09-09

Similar Documents

Publication Publication Date Title
PT79643B (en) A process for preparing a urea-formaldehyde resin having a very low mole ratio of formaldehyde to urea
PT79558B (en) Process for the preparation of a condensed phenol formaldehyde and urea resin and glues therefrom
PT80322B (en) Process for urea synthesis
ZA889615B (en) New process for the manufacture of urea-formaldehyde resins containing melamine
DE3160628D1 (en) Process for making urea prills
GB2167066B (en) Process for producing urea
GB2155941B (en) Solid urea-formaldehyde resin
EP0133669A3 (en) Process for the preparation of trioxan from commercial aqueous formaldehyde solutions
ZA865459B (en) Process for making solid urea-formaldehyde resins
DE3470031D1 (en) A process for producing formaldehyde
GB2077722B (en) A process for the production of urea granules
CS194688B2 (en) Method of producing solutions of hardenable urea-formaldehyde resins
ZA8410003B (en) A process for the preparation of ammonium nitrate
JPS54114596A (en) Production of boron containing phenol * formaldehyde resin
GB2127803B (en) Process for the production of guanidine nitrate from a mixture of urea and ammonium nitrate
GB2140798B (en) Catalytic process for the preparation of epoxy resins
DE3666411D1 (en) Process for producing concentrated solutions of ammonium nitrate
GB2183664B (en) Process for the manufacture of solid urea-formaldehyde resin
YU43326B (en) Process for preventing adhesiveness of mineral fertilizers containing ammonia nitrate with carbamide formaldehyde resins
RO84344B1 (ro) Procedeu pentru obtinerea continua a unui adeziv ureo- formaldehidic cu continut redus de formaldehida
PT74900A (en) Foams based on low formaldehyde emission urea-formaldehyde resin and process for their preparation
PT76542A (en) Process for preparing a formaldehyde catcher
PL114931B2 (en) Process for manufacturing urea resin adhesive
PL247432A1 (en) Method of obtaining urea-formaldehyde resins
NZ221190A (en) Preparation of urea-formaldehyde resins