IT1226508B - Poliesteri aromatici liquido cristallini termotropici. - Google Patents
Poliesteri aromatici liquido cristallini termotropici.Info
- Publication number
- IT1226508B IT1226508B IT8821843A IT2184388A IT1226508B IT 1226508 B IT1226508 B IT 1226508B IT 8821843 A IT8821843 A IT 8821843A IT 2184388 A IT2184388 A IT 2184388A IT 1226508 B IT1226508 B IT 1226508B
- Authority
- IT
- Italy
- Prior art keywords
- laser pulses
- optic fibres
- short laser
- high power
- extra short
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/60—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/19—Hydroxy compounds containing aromatic rings
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/60—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds
- C08G63/605—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds the hydroxy and carboxylic groups being bound to aromatic rings
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)
- Liquid Crystal Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Laser Surgery Devices (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8821843A IT1226508B (it) | 1988-09-07 | 1988-09-07 | Poliesteri aromatici liquido cristallini termotropici. |
| EP19890116293 EP0358147A3 (en) | 1988-09-07 | 1989-09-04 | Thermotropic liquid crystalline aromatic polyesters |
| US07/402,348 US4978735A (en) | 1988-09-07 | 1989-09-05 | Thermotropic liquid crystalline aromatic polyester from 3,3'-diphenyl-4,4'-d |
| AU41118/89A AU624855B2 (en) | 1988-09-07 | 1989-09-06 | Thermotropic liquid crystalline aromatic polyesters |
| JP1230588A JPH02117916A (ja) | 1988-09-07 | 1989-09-07 | 熱互変液晶芳香族ポリエステル |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8821843A IT1226508B (it) | 1988-09-07 | 1988-09-07 | Poliesteri aromatici liquido cristallini termotropici. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8821843A0 IT8821843A0 (it) | 1988-09-07 |
| IT1226508B true IT1226508B (it) | 1991-01-23 |
Family
ID=11187639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT8821843A IT1226508B (it) | 1988-09-07 | 1988-09-07 | Poliesteri aromatici liquido cristallini termotropici. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4978735A (it) |
| EP (1) | EP0358147A3 (it) |
| JP (1) | JPH02117916A (it) |
| AU (1) | AU624855B2 (it) |
| IT (1) | IT1226508B (it) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5432249A (en) * | 1993-12-22 | 1995-07-11 | Nippon Oil Company, Limited | Liquid crystalline polyesters |
| US5989758A (en) * | 1997-09-30 | 1999-11-23 | Nippon Oil Company, Limited | Liquid crystalline polyesters, their composition, and their uses |
| US12371563B2 (en) | 2022-09-22 | 2025-07-29 | Industrial Technology Research Institute | Liquid crystal polymer, composition, liquid crystal polymer film, laminated material and method of forming liquid crystal polymer film |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3948856A (en) * | 1973-09-26 | 1976-04-06 | Celanese Corporation | Acid interchange polymerization process for producing an aromatic polyester |
| DE2707136A1 (de) * | 1977-02-18 | 1978-08-31 | Eastman Kodak Co | Verfahren zur herstellung von polyestern |
| JPS5773021A (en) * | 1980-10-24 | 1982-05-07 | Kanegafuchi Chem Ind Co Ltd | Heat-resistant aromatic polyester coplymer and its preparation |
| DE3325787A1 (de) * | 1983-07-16 | 1985-01-24 | Bayer Ag, 5090 Leverkusen | Mesomorphe aromatische polyester mit hoher steifigkeit und zaehigkeit, verfahren zu ihrer herstellung und ihre verwendung zur herstellung von formkoerpern, filamenten, fasern und folien |
| DE3517270A1 (de) * | 1985-05-14 | 1986-11-20 | Bayer Ag, 5090 Leverkusen | Thermotrope aromatische polyester mit hoher waermeformbestaendigkeit, verfahren zu ihrer herstellung und ihre verwendung zur herstellung von formkoerpern, filamenten, fasern und folien |
| DE3517948A1 (de) * | 1985-05-18 | 1986-11-20 | Bayer Ag, 5090 Leverkusen | Thermotrope aromatische polyester mit hervorragenden mechanischen eigenschaften und guter verarbeitbarkeit, verfahren zu ihrer herstellung und ihre verwendung zur herstellung von formkoerpern, filamenten, fasern und folien |
| IT1222857B (it) * | 1987-10-09 | 1990-09-12 | Montedison Spa | Poliestri aromatici liquido cristallini termotropici |
| IT1223376B (it) * | 1987-11-24 | 1990-09-19 | Montedison Spa | Poliesteri aromatici liquido cristallini termotropici |
| IT1215682B (it) * | 1988-01-12 | 1990-02-22 | Montedison Spa | Poliesteri aromatici liquido cristallini termotropici. |
-
1988
- 1988-09-07 IT IT8821843A patent/IT1226508B/it active
-
1989
- 1989-09-04 EP EP19890116293 patent/EP0358147A3/en not_active Withdrawn
- 1989-09-05 US US07/402,348 patent/US4978735A/en not_active Expired - Fee Related
- 1989-09-06 AU AU41118/89A patent/AU624855B2/en not_active Expired - Fee Related
- 1989-09-07 JP JP1230588A patent/JPH02117916A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0358147A3 (en) | 1991-10-09 |
| IT8821843A0 (it) | 1988-09-07 |
| EP0358147A2 (en) | 1990-03-14 |
| JPH02117916A (ja) | 1990-05-02 |
| AU624855B2 (en) | 1992-06-25 |
| US4978735A (en) | 1990-12-18 |
| AU4111889A (en) | 1990-03-15 |
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