BR8900136A - Processo para obtencao de poliesteres aromaticos cristalinos liquidos termotropicos - Google Patents

Processo para obtencao de poliesteres aromaticos cristalinos liquidos termotropicos

Info

Publication number
BR8900136A
BR8900136A BR898900136A BR8900136A BR8900136A BR 8900136 A BR8900136 A BR 8900136A BR 898900136 A BR898900136 A BR 898900136A BR 8900136 A BR8900136 A BR 8900136A BR 8900136 A BR8900136 A BR 8900136A
Authority
BR
Brazil
Prior art keywords
obtaining
liquid crystalline
aromatic polyesters
thermotropic liquid
crystalline aromatic
Prior art date
Application number
BR898900136A
Other languages
English (en)
Inventor
Alfredo Coassolo
Giampiero Sabarino
Marco Foa
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
Publication of BR8900136A publication Critical patent/BR8900136A/pt

Links

Classifications

    • 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
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
BR898900136A 1988-01-12 1989-01-12 Processo para obtencao de poliesteres aromaticos cristalinos liquidos termotropicos BR8900136A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8819038A IT1215682B (it) 1988-01-12 1988-01-12 Poliesteri aromatici liquido cristallini termotropici.

Publications (1)

Publication Number Publication Date
BR8900136A true BR8900136A (pt) 1989-09-12

Family

ID=11154024

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898900136A BR8900136A (pt) 1988-01-12 1989-01-12 Processo para obtencao de poliesteres aromaticos cristalinos liquidos termotropicos

Country Status (11)

Country Link
US (1) US4923947A (pt)
EP (1) EP0324608A3 (pt)
JP (1) JPH023416A (pt)
KR (1) KR890011977A (pt)
AU (1) AU614011B2 (pt)
BR (1) BR8900136A (pt)
DK (1) DK11389A (pt)
FI (1) FI890125A (pt)
HU (1) HUT50204A (pt)
IT (1) IT1215682B (pt)
NO (1) NO890124L (pt)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1223376B (it) * 1987-11-24 1990-09-19 Montedison Spa Poliesteri aromatici liquido cristallini termotropici
IT1226508B (it) * 1988-09-07 1991-01-23 Donegani Guido Ist Poliesteri aromatici liquido cristallini termotropici.
US5352273A (en) * 1993-04-14 1994-10-04 E. I. Du Pont De Nemours And Company Alkyl substituted aromatic polyester gas separation membranes
US5432249A (en) * 1993-12-22 1995-07-11 Nippon Oil Company, Limited Liquid crystalline polyesters
EP0925181B1 (en) 1996-09-11 2003-04-16 Dupont Canada Inc. Heat exchangers containing liquid crystalline polymer layers
EP0925182A1 (en) 1996-09-11 1999-06-30 Dupont Canada Inc. Polymeric multilayer heat exchangers containing a barrier layer
US6379795B1 (en) 1999-01-19 2002-04-30 E. I. Du Pont De Nemours And Company Injection moldable conductive aromatic thermoplastic liquid crystalline polymeric compositions
US6364008B1 (en) 1999-01-22 2002-04-02 E. I. Du Pont De Nemours And Company Heat exchanger with tube plates
US6284926B1 (en) 2000-06-06 2001-09-04 Richmond, Hitchcock, Fish & Dollar Process and apparatus for producing organic polysulfides
JP2004510123A (ja) 2000-10-06 2004-04-02 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー 屈曲可能なプラスチック管材料から製造した冷却可能な熱交換器、および方法
US20030082974A1 (en) 2001-08-30 2003-05-01 Samuels Michael R. Solid sheet material especially useful for circuit boards
CA2476187A1 (en) * 2002-02-13 2003-08-21 Dupont Canada Inc. Method for manufacturing fuel cell separator plates under low shear strain
US20050082720A1 (en) * 2003-01-23 2005-04-21 Bloom Joy S. Moldings of liquid crystalline polymer powders
JP4625340B2 (ja) * 2005-01-31 2011-02-02 上野製薬株式会社 液晶ポリエステル樹脂およびその製造方法
CA2538761A1 (en) * 2005-03-08 2006-09-08 Anthony Joseph Cesaroni Method for sealing heat exchanger tubes
US8372044B2 (en) * 2005-05-20 2013-02-12 Safety Syringes, Inc. Syringe with needle guard injection device
US7547849B2 (en) 2005-06-15 2009-06-16 E.I. Du Pont De Nemours And Company Compositions useful in electronic circuitry type applications, patternable using amplified light, and methods and compositions relating thereto
JP5292398B2 (ja) 2007-07-09 2013-09-18 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー 電子回路構造を製造するための組成物および方法
US20090017309A1 (en) * 2007-07-09 2009-01-15 E. I. Du Pont De Nemours And Company Compositions and methods for creating electronic circuitry
US8475924B2 (en) 2007-07-09 2013-07-02 E.I. Du Pont De Nemours And Company Compositions and methods for creating electronic circuitry
US20100193950A1 (en) * 2009-01-30 2010-08-05 E.I.Du Pont De Nemours And Company Wafer level, chip scale semiconductor device packaging compositions, and methods relating thereto

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH625811A5 (pt) * 1976-10-07 1981-10-15 Ciba Geigy Ag
FR2438061A1 (fr) * 1978-10-05 1980-04-30 Rhone Poulenc Ind Copolyesters alcoylaromatiques thermotropes
US4230817A (en) * 1979-03-02 1980-10-28 Celanese Corporation Thermotropic polyesters derived from ferulic acid and a process for preparing the polyesters
JPS60199028A (ja) * 1984-03-24 1985-10-08 Asahi Chem Ind Co Ltd 新規なポリエステル
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
US4654412A (en) * 1986-03-27 1987-03-31 Celanese Corporation Linear, melt processable, crosslinkable, thermotropic wholly aromatic polyesters and crosslinked polymers prepared therefrom
DE3721256A1 (de) * 1987-06-27 1989-01-12 Akzo Gmbh In der schmelze verarbeitbare thermotrope voll-aromatische polyester
IT1223410B (it) * 1987-12-10 1990-09-19 Montedison Spa Poliesteri aromatici liquido cristallini termotropici

Also Published As

Publication number Publication date
HUT50204A (en) 1989-12-28
NO890124L (no) 1989-07-13
EP0324608A3 (en) 1990-10-31
US4923947A (en) 1990-05-08
FI890125A0 (fi) 1989-01-11
NO890124D0 (no) 1989-01-11
AU2834789A (en) 1989-07-13
EP0324608A2 (en) 1989-07-19
IT1215682B (it) 1990-02-22
AU614011B2 (en) 1991-08-15
DK11389D0 (da) 1989-01-11
KR890011977A (ko) 1989-08-23
FI890125A (fi) 1989-07-13
DK11389A (da) 1989-07-13
IT8819038A0 (it) 1988-01-12
JPH023416A (ja) 1990-01-09

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Legal Events

Date Code Title Description
FD3 Appl. lapsed due to non-payment of renewal fee