FI113780B - Menetelmä paraformaldehydin valmistamiseksi - Google Patents

Menetelmä paraformaldehydin valmistamiseksi Download PDF

Info

Publication number
FI113780B
FI113780B FI953683A FI953683A FI113780B FI 113780 B FI113780 B FI 113780B FI 953683 A FI953683 A FI 953683A FI 953683 A FI953683 A FI 953683A FI 113780 B FI113780 B FI 113780B
Authority
FI
Finland
Prior art keywords
amine
zones
range
process according
temperature
Prior art date
Application number
FI953683A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI953683A (fi
FI953683A0 (fi
Inventor
Luis Eek-Vancells
Original Assignee
Patentes Novedades Sa
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 Patentes Novedades Sa filed Critical Patentes Novedades Sa
Publication of FI953683A0 publication Critical patent/FI953683A0/fi
Publication of FI953683A publication Critical patent/FI953683A/fi
Application granted granted Critical
Publication of FI113780B publication Critical patent/FI113780B/fi

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
    • C07C47/04—Formaldehyde
    • 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
    • C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
    • C08G2/08—Polymerisation of formaldehyde

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Saccharide Compounds (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Cosmetics (AREA)
FI953683A 1994-12-09 1995-08-02 Menetelmä paraformaldehydin valmistamiseksi FI113780B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES9402512 1994-12-09
ES09402512A ES2087041B1 (es) 1994-12-09 1994-12-09 Procedimiento para la preparacion de paraformaldehido.

Publications (3)

Publication Number Publication Date
FI953683A0 FI953683A0 (fi) 1995-08-02
FI953683A FI953683A (fi) 1996-06-10
FI113780B true FI113780B (fi) 2004-06-15

Family

ID=8288212

Family Applications (1)

Application Number Title Priority Date Filing Date
FI953683A FI113780B (fi) 1994-12-09 1995-08-02 Menetelmä paraformaldehydin valmistamiseksi

Country Status (29)

Country Link
US (1) US5686554A (es)
EP (1) EP0716104B1 (es)
JP (1) JP2796669B2 (es)
KR (1) KR100249275B1 (es)
CN (1) CN1061641C (es)
AT (1) ATE193308T1 (es)
AU (1) AU695649B2 (es)
CA (1) CA2153452C (es)
CZ (1) CZ288105B6 (es)
DE (1) DE69517138T2 (es)
EE (1) EE03254B1 (es)
ES (1) ES2087041B1 (es)
FI (1) FI113780B (es)
GR (1) GR3034085T3 (es)
HR (1) HRP950396B1 (es)
HU (1) HU214094B (es)
MX (1) MX192468A (es)
NO (1) NO307383B1 (es)
NZ (1) NZ272534A (es)
PL (1) PL179331B1 (es)
PT (1) PT716104E (es)
RU (1) RU2148592C1 (es)
SA (1) SA95160120B1 (es)
SG (1) SG33401A1 (es)
TH (1) TH12621A (es)
TW (1) TW285666B (es)
UA (1) UA44697C2 (es)
VN (1) VN498A1 (es)
YU (1) YU48905B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2335097A (en) * 1996-03-20 1997-10-10 Hoechst Celanese Corporation Addition of amine to improve paraformaldehyde

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3001235A (en) * 1958-07-26 1961-09-26 Sumitomo Chemical Co Method for the manufacture of a formaldehyde polymer in a crape-chip form
US2992277A (en) 1959-04-28 1961-07-11 Du Pont Paraformaldehyde manufacture
ES341724A1 (es) * 1967-06-13 1968-10-01 Ordieres Perfeccionamientos introducidos en los procedimientos de polimerizacion de soluciones de formaldehido.
FR1547172A (fr) * 1967-07-17 1968-11-22 Sir Soc Italiana Resine Spa Procédé de production du paraformaldéhyde
FR2067169A1 (en) * 1969-11-19 1971-08-20 Charbonnages Ste Chimique Paraformaldehyde from aq formaldehyde
US4550213A (en) 1984-06-29 1985-10-29 Celanese Corporation Method of manufacture for paraformaldehyde prills
DE3925966A1 (de) 1989-08-05 1991-02-07 Leuna Werke Veb Lp 86 148 - verfahren zur herstellung von koernigem paraformaldehyd
CN1029351C (zh) 1989-09-16 1995-07-19 陈方 高甲醛含量的多聚甲醛的制造方法
US5302277A (en) * 1990-11-28 1994-04-12 Mitsui Toatsu Chemicals, Incorporated Process for producing paraformaldehyde of high formaldehyde content

Also Published As

Publication number Publication date
MX192468B (es) 2016-01-29
CN1061641C (zh) 2001-02-07
ATE193308T1 (de) 2000-06-15
HUT75584A (en) 1997-05-28
MX192468A (es) 1999-06-24
EP0716104B1 (en) 2000-05-24
JPH08165262A (ja) 1996-06-25
AU695649B2 (en) 1998-08-20
NO952691L (no) 1996-06-10
KR960022425A (ko) 1996-07-18
HU9502048D0 (en) 1995-09-28
FI953683A (fi) 1996-06-10
DE69517138D1 (de) 2000-06-29
FI953683A0 (fi) 1995-08-02
PT716104E (pt) 2000-11-30
TW285666B (es) 1996-09-11
CA2153452A1 (en) 1996-06-10
YU54395A (sh) 1997-12-05
US5686554A (en) 1997-11-11
GR3034085T3 (en) 2000-11-30
HU214094B (en) 1997-12-29
ES2087041B1 (es) 1997-03-16
HRP950396B1 (en) 2001-02-28
CZ288105B6 (cs) 2001-04-11
ES2087041A1 (es) 1996-07-01
NZ272534A (en) 1996-03-26
JP2796669B2 (ja) 1998-09-10
PL179331B1 (pl) 2000-08-31
TH12621A (th) 1996-09-10
KR100249275B1 (ko) 2000-03-15
NO307383B1 (no) 2000-03-27
AU2496095A (en) 1996-06-20
EE03254B1 (et) 2000-02-15
NO952691D0 (no) 1995-07-06
UA44697C2 (uk) 2002-03-15
CA2153452C (en) 2006-08-29
PL310573A1 (en) 1996-06-10
RU2148592C1 (ru) 2000-05-10
YU48905B (sh) 2002-10-18
CZ243995A3 (en) 1996-06-12
SA95160120B1 (ar) 2005-05-16
VN498A1 (es) 1998-05-25
EP0716104A1 (en) 1996-06-12
CN1124242A (zh) 1996-06-12
SG33401A1 (en) 1996-10-18
HRP950396A2 (en) 1997-10-31
DE69517138T2 (de) 2001-02-01

Similar Documents

Publication Publication Date Title
US6346569B1 (en) Production process of cross-linked polysuccinimide resin
AU768523B2 (en) Improved polymer-sulfur-polymer coated fertilizers
WO2019153775A1 (zh) 一种核壳结构缓控释肥及其制备方法
JP2002522352A (ja) 極めて利用可能な粒状制御放出窒素肥料
JPH02289479A (ja) 粒状緩効性窒素肥料の製造方法
FI113780B (fi) Menetelmä paraformaldehydin valmistamiseksi
US4885021A (en) Particulate urea with clay incorporated for hardness and/or gelling
EP2809630B1 (en) Process for preparing ammonium sulfate nitrate
KR100365029B1 (ko) 방출조절형 비료 조성물 및 이의 제조 방법
US4427719A (en) Method of dedusting metal sulfate granules
US3049420A (en) Prilled nitrogenous composition
JPH01286985A (ja) 緩効性窒素肥料の製造方法
JPS6232013A (ja) メラミン系樹脂成形材料の多段圧縮成形法
JPS61127690A (ja) 緩効性窒素肥料の製造方法
JP2003012801A (ja) 架橋ポリコハク酸イミドの連続式製造方法
JPS61197651A (ja) メラミン系樹脂成形用組成物
JPS59109509A (ja) ユリア固形樹脂の製造法
JPS5523154A (en) Production of solid resol-type phenolic resin
DE4428596A1 (de) Verfahren zur Herstellung von Kondensaten der Asparaginsäure
AU2002232683A1 (en) Method for cooling post reactor polyethylene terephthalate flakes
CS221146B1 (cs) Způsob úpravy močoviny
JPH11310686A (ja) フェノール樹脂成形材料の製造方法

Legal Events

Date Code Title Description
MA Patent expired