IT1000135B - Policarbonati aromatici ramificati loro ortoesteri di partenza e pro cedimento per produrli - Google Patents
Policarbonati aromatici ramificati loro ortoesteri di partenza e pro cedimento per produrliInfo
- Publication number
- IT1000135B IT1000135B IT53534/73A IT5353473A IT1000135B IT 1000135 B IT1000135 B IT 1000135B IT 53534/73 A IT53534/73 A IT 53534/73A IT 5353473 A IT5353473 A IT 5353473A IT 1000135 B IT1000135 B IT 1000135B
- Authority
- IT
- Italy
- Prior art keywords
- orthopeasters
- starting
- produce
- processing
- branched polycarbonates
- Prior art date
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
- C08G64/04—Aromatic polycarbonates
- C08G64/06—Aromatic polycarbonates not containing aliphatic unsaturation
- C08G64/14—Aromatic polycarbonates not containing aliphatic unsaturation containing a chain-terminating or -crosslinking agent
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2254918A DE2254918A1 (de) | 1972-11-09 | 1972-11-09 | Verzweigte aromatische polycarbonate |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1000135B true IT1000135B (it) | 1976-03-30 |
Family
ID=5861268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT53534/73A IT1000135B (it) | 1972-11-09 | 1973-11-07 | Policarbonati aromatici ramificati loro ortoesteri di partenza e pro cedimento per produrli |
Country Status (7)
Country | Link |
---|---|
US (1) | US3897392A (it) |
JP (1) | JPS55414B2 (it) |
DE (1) | DE2254918A1 (it) |
FR (1) | FR2206349B1 (it) |
GB (1) | GB1451776A (it) |
IT (1) | IT1000135B (it) |
NL (1) | NL7315207A (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4075119A (en) * | 1975-05-07 | 1978-02-21 | Bayer Aktiengesellschaft | Statistical mixtures of halogenated bisphenols with halogen-free bisphenols |
US4170587A (en) * | 1975-05-07 | 1979-10-09 | Bayer Aktiengesellschaft | Statistical mixtures of halogenated bisphenols with halogen-free bisphenols, a process for their preparation and their use for the preparation of high-molecular weight thermoplastic polycarbonates |
US4223104A (en) * | 1978-08-11 | 1980-09-16 | Stauffer Chemical Company | Copoly (carbonate/phosphonate) compositions |
US4220805A (en) * | 1978-09-18 | 1980-09-02 | General Electric Company | Linear dimers of bisphenols and method for making |
DE2842005A1 (de) * | 1978-09-27 | 1980-04-10 | Bayer Ag | Polycarbonate mit alkylphenyl-endgruppen, ihre herstellung und ihre verwendung |
US4515937A (en) * | 1980-09-09 | 1985-05-07 | Mobay Chemical Corporation | Flame resistant sulfur-bearing copolycarbonate |
US4550155A (en) * | 1983-11-03 | 1985-10-29 | General Electric Co. | Preparation of branched polycarbonates by transesterification with a triaryl tricarboxylic acid branching agent |
DE3524054A1 (de) * | 1985-07-05 | 1987-01-08 | Bayer Ag | Tetra-(hydroxyaryl)-bis-chinoxaline, ihre herstellung und ihre verwendung als verzweigungsmittel fuer thermoplastische polycarbonate |
US4680370A (en) * | 1985-09-30 | 1987-07-14 | The Dow Chemical Company | Branched polycarbonate composition from tris(hydroxyaryl)phosphorus compound |
US5037937A (en) * | 1987-02-13 | 1991-08-06 | Idemitsu Petrochemical Co., Ltd. | Novel polycarbonate resins, process for production of said resins, and compositions containing said resins |
EP0584801A3 (en) * | 1992-08-26 | 1994-09-14 | Mitsubishi Chem Ind | Aromatic polycarbonate resins and process for the preparation thereof |
US5519106A (en) * | 1992-08-26 | 1996-05-21 | Mitsubishi Chemical Corporation | Process for the preparation of aromatic polycarbonate resins |
US5807912A (en) * | 1996-10-03 | 1998-09-15 | General Electric Company | Ortho esters as BPA scavenger in polycarbonate product |
EP0896013A1 (en) * | 1997-08-06 | 1999-02-10 | Shimadzu Corporation | Crosslinked polycarbonate and polylactic acid composition containing the same |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3635895A (en) * | 1965-09-01 | 1972-01-18 | Gen Electric | Process for preparing thermoplastic polycarbonates |
US3519605A (en) * | 1968-03-04 | 1970-07-07 | Gen Electric | Polyorthocarbonate polymers and copolymers and method of preparing same |
US3799953A (en) * | 1972-09-01 | 1974-03-26 | Bayer Ag | 1,4-bis(4,'4''-dihydroxy-triphenylmethyl)benzene |
-
1972
- 1972-11-09 DE DE2254918A patent/DE2254918A1/de not_active Withdrawn
-
1973
- 1973-10-23 US US408981A patent/US3897392A/en not_active Expired - Lifetime
- 1973-11-06 NL NL7315207A patent/NL7315207A/xx unknown
- 1973-11-07 IT IT53534/73A patent/IT1000135B/it active
- 1973-11-08 GB GB5190173A patent/GB1451776A/en not_active Expired
- 1973-11-08 JP JP12503573A patent/JPS55414B2/ja not_active Expired
- 1973-11-09 FR FR7339982A patent/FR2206349B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2206349A1 (it) | 1974-06-07 |
JPS55414B2 (it) | 1980-01-08 |
DE2254918A1 (de) | 1974-05-16 |
JPS49134792A (it) | 1974-12-25 |
GB1451776A (it) | 1976-10-06 |
NL7315207A (it) | 1974-05-13 |
FR2206349B1 (it) | 1978-03-10 |
US3897392A (en) | 1975-07-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT996240B (it) | Miscugli di policarbonati | |
IT1000135B (it) | Policarbonati aromatici ramificati loro ortoesteri di partenza e pro cedimento per produrli | |
FI55802B (fi) | Anordning vid skeppsskrov | |
FI54192B (fi) | Anordning vid s k cyklonugn | |
IT973805B (it) | Copoliammidi trasparenti e proce dimento per la loro produzione | |
BR7303407D0 (pt) | Processo para preparar politiodiglicois | |
ATA51473A (de) | Dachstuhl | |
AT327654B (de) | Muhle | |
FI54411C (fi) | Anordning vid vaermevaexlare | |
FI55908C (fi) | Anordning vid aonggenerator | |
IT977673B (it) | Laminatoio | |
SE381234B (sv) | Hopfellbar propeller | |
BE807163A (fr) | Broyeur | |
BR7301236D0 (pt) | Fresa composta | |
BE807560A (fr) | Nouveaux polyamide-imides | |
IT988764B (it) | Procedimento per ottenere idros silammine aromatiche | |
FI55548B (fi) | Luktavskaermande anordning vid avloppsledning | |
IT977672B (it) | Laminatoio | |
IT999160B (it) | Elica | |
IT984771B (it) | Gicco di destrezza | |
IT1005111B (it) | Processo per ottenere resorcina | |
BE793888A (fr) | Nouveaux polyesters | |
FI54087B (fi) | Anordning vid sjaelvstaengande foerslutningar | |
IT985497B (it) | Laminatoio | |
IT988411B (it) | Congegno per cubettare o spezzettare |