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
Application number
IT8821843A
Other languages
English (en)
Other versions
IT8821843A0 (it
Inventor
L Lawrence Chapoy
Alfredo Coassolo
Marco Foa
Original Assignee
Donegani Guido Ist
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 Donegani Guido Ist filed Critical Donegani Guido Ist
Priority to IT8821843A priority Critical patent/IT1226508B/it
Publication of IT8821843A0 publication Critical patent/IT8821843A0/it
Priority to EP19890116293 priority patent/EP0358147A3/en
Priority to US07/402,348 priority patent/US4978735A/en
Priority to AU41118/89A priority patent/AU624855B2/en
Priority to JP1230588A priority patent/JPH02117916A/ja
Application granted granted Critical
Publication of IT1226508B publication Critical patent/IT1226508B/it

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/60Polyesters 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16Dicarboxylic acids and dihydroxy compounds
    • C08G63/18Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/19Hydroxy compounds containing aromatic rings
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/60Polyesters 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
    • C08G63/605Polyesters 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)
IT8821843A 1988-09-07 1988-09-07 Poliesteri aromatici liquido cristallini termotropici. IT1226508B (it)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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.

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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