IT1222091B - Poliestri liquido cristallini termotropici - Google Patents

Poliestri liquido cristallini termotropici

Info

Publication number
IT1222091B
IT1222091B IT21389/87A IT2138987A IT1222091B IT 1222091 B IT1222091 B IT 1222091B IT 21389/87 A IT21389/87 A IT 21389/87A IT 2138987 A IT2138987 A IT 2138987A IT 1222091 B IT1222091 B IT 1222091B
Authority
IT
Italy
Prior art keywords
crystalline liquid
liquid polyesters
thermotropic crystalline
thermotropic
polyesters
Prior art date
Application number
IT21389/87A
Other languages
English (en)
Other versions
IT8721389A0 (it
Inventor
Marco Foa
Francesco Casagrande
Alfredo Coassolo
L Lawrence Chapoy
Original Assignee
Montedison Spa
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 Montedison Spa filed Critical Montedison Spa
Priority to IT21389/87A priority Critical patent/IT1222091B/it
Publication of IT8721389A0 publication Critical patent/IT8721389A0/it
Priority to EP88306633A priority patent/EP0300752A3/en
Priority to CA000572644A priority patent/CA1305275C/en
Priority to JP63184436A priority patent/JPS6440520A/ja
Priority to US07/449,381 priority patent/US4952661A/en
Application granted granted Critical
Publication of IT1222091B publication Critical patent/IT1222091B/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
    • 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
    • C08G63/193—Hydroxy compounds containing aromatic rings containing two or more aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/38—Polymers
    • C09K19/3804—Polymers with mesogenic groups in the main chain
    • C09K19/3809—Polyesters; Polyester derivatives, e.g. polyamides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyesters Or Polycarbonates (AREA)
IT21389/87A 1987-07-22 1987-07-22 Poliestri liquido cristallini termotropici IT1222091B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT21389/87A IT1222091B (it) 1987-07-22 1987-07-22 Poliestri liquido cristallini termotropici
EP88306633A EP0300752A3 (en) 1987-07-22 1988-07-20 Thermotropic liquid crystalline polyesters
CA000572644A CA1305275C (en) 1987-07-22 1988-07-21 Thermotropic liquid crystalline polyesters
JP63184436A JPS6440520A (en) 1987-07-22 1988-07-22 Thermotropic liquid crystal polyesters
US07/449,381 US4952661A (en) 1987-07-22 1989-12-06 Thermotropic liquid crystalline polyester from 2,5-dihydroxybenzophenone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21389/87A IT1222091B (it) 1987-07-22 1987-07-22 Poliestri liquido cristallini termotropici

Publications (2)

Publication Number Publication Date
IT8721389A0 IT8721389A0 (it) 1987-07-22
IT1222091B true IT1222091B (it) 1990-08-31

Family

ID=11181038

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21389/87A IT1222091B (it) 1987-07-22 1987-07-22 Poliestri liquido cristallini termotropici

Country Status (5)

Country Link
US (1) US4952661A (it)
EP (1) EP0300752A3 (it)
JP (1) JPS6440520A (it)
CA (1) CA1305275C (it)
IT (1) IT1222091B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4007144A1 (de) * 1990-03-07 1991-09-12 Hoechst Ag Verfahren zur orientierung fluessigkristalliner polymere und ihr einsatz als orientierungsschicht in fluessigkristall-, schalt- und -anzeigevorrichtungen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4474938A (en) * 1983-08-04 1984-10-02 Monsanto Company Process for polymerization of thermotropic polyesters and polyesters
US4600765A (en) * 1984-02-17 1986-07-15 Owens-Corning Fiberglas Corporation Melt processable optically anisotropic polymers
DE3415530A1 (de) * 1984-04-26 1985-10-31 Bayer Ag, 5090 Leverkusen Thermotrope aromatische polyester hoher steifigkeit und zaehigkeit, 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
US4617369A (en) * 1985-09-04 1986-10-14 E. I. Du Pont De Nemours And Company Polyester polymers of 3-hydroxy-4'-(4-hydroxyphenyl)benzophenone or 3,4'-dihydroxybenzophenone and dicarboxylic acids

Also Published As

Publication number Publication date
EP0300752A3 (en) 1989-12-06
CA1305275C (en) 1992-07-14
EP0300752A2 (en) 1989-01-25
IT8721389A0 (it) 1987-07-22
JPS6440520A (en) 1989-02-10
US4952661A (en) 1990-08-28

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940726