IT1059855B - Procedimento per la produzione di policarbonati - Google Patents

Procedimento per la produzione di policarbonati

Info

Publication number: IT1059855B
Authority: IT; Italy
Prior art keywords: polycarbonates; procedure; production
Prior art date: 1974-12-11

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.)

1974-12-11

Filing date

1975-12-09

Publication date

1982-06-21

1975-12-09 Application filed by Poudres & Explosifs Ste Nale filed Critical Poudres & Explosifs Ste Nale

1982-06-21 Application granted granted Critical

1982-06-21 Publication of IT1059855B publication Critical patent/IT1059855B/it

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 (nl)
BE (1)	BE836535A (nl)
CA (1)	CA1064957A (nl)
DE (1)	DE2555805A1 (nl)
DK (1)	DK558975A (nl)
FR (1)	FR2294199A1 (nl)
GB (1)	GB1476268A (nl)
IE (1)	IE42097B1 (nl)
IT (1)	IT1059855B (nl)
LU (1)	LU73968A1 (nl)
NL (1)	NL7513786A (nl)

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
US5130384A (en) *	1989-03-20	1992-07-14	Reeves Brothers, Inc.	Calenderable thermoplastic polyurethane elastomer compositions containing millable linear polyurethanes
US5001208A (en) *	1989-03-20	1991-03-19	Reeves Brothers, Inc.	Linear polyurethane elastomer compositions based on mixed polycarbonate and polyether 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
US5298303A (en) *	1989-03-20	1994-03-29	Reeves Brothers, Inc.	Fabric structure for severe use applications
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

1974
- 1974-12-11 FR FR7440838A patent/FR2294199A1/fr active Granted
1975
- 1975-11-07 IE IE242975A patent/IE42097B1/en unknown
- 1975-11-18 GB GB4746875A patent/GB1476268A/en not_active Expired
- 1975-11-26 NL NL7513786A patent/NL7513786A/nl not_active Application Discontinuation
- 1975-12-01 CA CA240,852A patent/CA1064957A/en not_active Expired
- 1975-12-09 LU LU73968A patent/LU73968A1/xx unknown
- 1975-12-09 IT IT7001875A patent/IT1059855B/it active
- 1975-12-10 DK DK558975A patent/DK558975A/da not_active Application Discontinuation
- 1975-12-11 BE BE162658A patent/BE836535A/xx unknown
- 1975-12-11 DE DE19752555805 patent/DE2555805A1/de not_active Withdrawn
- 1975-12-11 JP JP50146950A patent/JPS5183693A/ja active Pending

Also Published As

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

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