IT1059855B - Procedimento per la produzione di policarbonati - Google Patents

Procedimento per la produzione di policarbonati

Info

Publication number
IT1059855B
IT1059855B IT7001875A IT7001875A IT1059855B IT 1059855 B IT1059855 B IT 1059855B IT 7001875 A IT7001875 A IT 7001875A IT 7001875 A IT7001875 A IT 7001875A IT 1059855 B IT1059855 B IT 1059855B
Authority
IT
Italy
Prior art keywords
polycarbonates
procedure
production
Prior art date
Application number
IT7001875A
Other languages
English (en)
Italian (it)
Original Assignee
Poudres & Explosifs Ste Nale
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 Poudres & Explosifs Ste Nale filed Critical Poudres & Explosifs Ste Nale
Application granted granted Critical
Publication of IT1059855B publication Critical patent/IT1059855B/it

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
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/02—Aliphatic polycarbonates
    • C08G64/0208—Aliphatic polycarbonates saturated
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/44—Polycarbonates
    • 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
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/20—General preparatory processes
    • C08G64/30—General preparatory processes using carbonates
    • C08G64/305—General preparatory processes using carbonates and alcohols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Polyurethanes Or Polyureas (AREA)
IT7001875A 1974-12-11 1975-12-09 Procedimento per la produzione di policarbonati IT1059855B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7440838A FR2294199A1 (fr) 1974-12-11 1974-12-11 Procede perfectionne de preparation de polycarbonates en deux etapes

Publications (1)

Publication Number Publication Date
IT1059855B true IT1059855B (it) 1982-06-21

Family

ID=9146037

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7001875A IT1059855B (it) 1974-12-11 1975-12-09 Procedimento per la produzione di policarbonati

Country Status (11)

Country Link
JP (1) JPS5183693A (da)
BE (1) BE836535A (da)
CA (1) CA1064957A (da)
DE (1) DE2555805A1 (da)
DK (1) DK558975A (da)
FR (1) FR2294199A1 (da)
GB (1) GB1476268A (da)
IE (1) IE42097B1 (da)
IT (1) IT1059855B (da)
LU (1) LU73968A1 (da)
NL (1) NL7513786A (da)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3717060A1 (de) * 1987-05-21 1988-12-01 Bayer Ag Polyether-polycarbonat-diole, ihre herstellung und verwendung als ausgangsprodukte fuer polyurethankunststoffe
US4891421A (en) * 1987-06-22 1990-01-02 Dainippon Ink And Chemicals, Inc. Processes for producing polycarbonate polyols
US5096992A (en) * 1989-03-20 1992-03-17 Reeves Brothers, Inc. Use of modified diisocyanates for preparing linear thermoplastic polyurethane elastomers having improved properties
US5001208A (en) * 1989-03-20 1991-03-19 Reeves Brothers, Inc. Linear polyurethane elastomer compositions based on mixed polycarbonate and polyether polyols
US5298303A (en) * 1989-03-20 1994-03-29 Reeves Brothers, Inc. Fabric structure for severe use applications
US5130384A (en) * 1989-03-20 1992-07-14 Reeves Brothers, Inc. Calenderable thermoplastic polyurethane elastomer compositions containing millable linear polyurethanes
US5110666A (en) * 1991-05-06 1992-05-05 Reeves Brothers, Inc. Coated fabric structure for air bag applications
DE19513164A1 (de) * 1995-04-07 1996-10-10 Bayer Ag Polycarbonat-Diole, ihre Herstellung und Verwendung als Ausgangsprodukte für Polyurethan-Kunststoffe
DE19900554A1 (de) * 1999-01-09 2000-07-13 Bayer Ag Verfahren zur Herstellung von aliphatischen Oligocarbonatdiolen aus Dimethylcarbonat und aliphatischen Diolen
DE10027907A1 (de) 2000-06-06 2001-12-13 Bayer Ag Verfahren zur Herstellung von aliphatischen Oligocarbanatdiolen
DE10130882A1 (de) 2001-06-27 2003-01-16 Bayer Ag Verfahren zur Herstellung von aliphatischen Oligocarbonatdiolen
US7112693B2 (en) 2001-06-27 2006-09-26 Bayer Aktiengesellschaft Process for producing aliphatic oligocarbonate diols
DE10156896A1 (de) 2001-11-20 2003-05-28 Bayer Ag Verwendung von Katalysatoren zur Herstellung von aliphatischen Oligocarbonatpolyolen
DE10303881A1 (de) 2003-01-31 2004-08-12 Bayer Ag Verfahren zur Herstellung von oligomeren aliphatischen Diolen, darauf basierenden Polycarbonatdiolen und deren Prepolymeren
DE102004032419A1 (de) * 2004-07-05 2006-01-26 Bayer Materialscience Ag Herstellung klarer Isocyanatprepolymere auf Hexandiolethercarbonat-Basis
TWI761404B (zh) 2016-12-19 2022-04-21 德商科思創德意志股份有限公司 製備具有低反應性（環）脂族聚碳酸酯多元醇之方法
EP4378972A1 (de) 2022-11-30 2024-06-05 Covestro Deutschland AG (cyclo)aliphatische polycarbonatpolyol-zusammensetzung

Also Published As

Publication number Publication date
IE42097B1 (en) 1980-06-04
FR2294199B1 (da) 1977-04-08
GB1476268A (en) 1977-06-10
JPS5183693A (da) 1976-07-22
DK558975A (da) 1976-06-12
LU73968A1 (da) 1977-07-01
FR2294199A1 (fr) 1976-07-09
CA1064957A (en) 1979-10-23
IE42097L (en) 1976-06-11
DE2555805A1 (de) 1976-10-28
NL7513786A (nl) 1976-06-15
BE836535A (fr) 1976-06-11

Similar Documents

Publication Publication Date Title
IT1039085B (it) Procedimento per la prouduzzione di poliolefine modificate
IT1038230B (it) Procedimento per la produzione di acciaio
IT1028240B (it) Procedimento per la produzione di acciaio
IT1048188B (it) Procedimento per la produzione di o metilbenzanilide
IT1016182B (it) Procedimento e apparecchiatura per la produzione di policarbonati
IT1046388B (it) Procedimento per la produzione di idrogeno
IT1059855B (it) Procedimento per la produzione di policarbonati
IT1029594B (it) Procedimento per la produzione di benzochino
IT1062629B (it) Procedimento per la produzione di cantaxantina
IT1054435B (it) Procedimento per la produzione di carbonilaldimminometanfosfonati
IT1036357B (it) Procedimento per la produzione di refrattari
IT1036429B (it) Procedimento per la produzione di dimetisolfossido
IT1019680B (it) Metodo per la produzione di ci cloolefine
IT1033255B (it) Procedimento per la produzione di l leucina
IT1047280B (it) Procedimento per la produzione di polieteri polioli
IT1050675B (it) Procedimento per la produzione di antrachinone
IT1034585B (it) Procedimento per la produzione di 2.3 diidrossipropilcellulosa
IT1041180B (it) Procedimento per la produzione di diamminonaftalina
IT1038616B (it) Procedimento per la fabricazione di alchilacetofenoni
IT1050684B (it) Procedimento per la produzione di antrachinone
IT1007901B (it) Procedimento per la produzione di polisterolo resistente all urto
IT1051459B (it) Procedimento per la preparazione di policarbonati
IT1027410B (it) Procedimento continuc per la produzione di glicide
IT1026236B (it) Procedimento per la produzione di 3 amminopirazoli
IT1027882B (it) Procedimento per la produzione di acito nitrico