BR8802883A - Processo de preparacao de poliesteres cristalinos liquidos termotropicos - Google Patents
Processo de preparacao de poliesteres cristalinos liquidos termotropicosInfo
- Publication number
- BR8802883A BR8802883A BR8802883A BR8802883A BR8802883A BR 8802883 A BR8802883 A BR 8802883A BR 8802883 A BR8802883 A BR 8802883A BR 8802883 A BR8802883 A BR 8802883A BR 8802883 A BR8802883 A BR 8802883A
- Authority
- BR
- Brazil
- Prior art keywords
- preparation
- liquid crystalline
- thermotropic liquid
- crystalline polyesters
- polyesters
- 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
-
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8720909A IT1215563B (it) | 1987-06-16 | 1987-06-16 | Poliesteri liquido cristallini termotropici. |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8802883A true BR8802883A (pt) | 1989-01-03 |
Family
ID=11173917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8802883A BR8802883A (pt) | 1987-06-16 | 1988-06-13 | Processo de preparacao de poliesteres cristalinos liquidos termotropicos |
Country Status (13)
Country | Link |
---|---|
US (1) | US5017678A (pt) |
EP (1) | EP0295892A3 (pt) |
JP (1) | JPS6426631A (pt) |
KR (1) | KR890000544A (pt) |
AU (1) | AU606708B2 (pt) |
BR (1) | BR8802883A (pt) |
CA (1) | CA1301998C (pt) |
DK (1) | DK325488A (pt) |
FI (1) | FI882837A (pt) |
IL (1) | IL86563A (pt) |
IT (1) | IT1215563B (pt) |
NO (1) | NO171861C (pt) |
ZA (1) | ZA883895B (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1223410B (it) * | 1987-12-10 | 1990-09-19 | Montedison Spa | Poliesteri aromatici liquido cristallini termotropici |
NO2807320T3 (pt) | 2012-01-25 | 2018-07-21 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4153779A (en) * | 1978-06-26 | 1979-05-08 | Eastman Kodak Company | Liquid crystal copolyester containing a substituted phenylhydroquinone |
US4360658A (en) * | 1979-11-19 | 1982-11-23 | Eastman Kodak Company | Copolyester derived from terephthalic acid, phenylhydroquinone and hydroquinone |
US4238600A (en) * | 1979-11-19 | 1980-12-09 | Eastman Kodak Company | Copolyesters derived from terephthalic acid, phenylhydroquinone and t-butylhydroquinone |
DE3270761D1 (en) * | 1981-08-18 | 1986-05-28 | Teijin Ltd | Melt-anisotropic wholly aromatic polyester, process for production thereof, and fibers or films thereof |
US4600765A (en) * | 1984-02-17 | 1986-07-15 | Owens-Corning Fiberglas Corporation | Melt processable optically anisotropic polymers |
US4614791A (en) * | 1984-11-05 | 1986-09-30 | Owens-Corning Fiberglas Corporation | Melt processable optically anisotropic polyesters |
-
1987
- 1987-06-16 IT IT8720909A patent/IT1215563B/it active
-
1988
- 1988-05-31 IL IL86563A patent/IL86563A/xx unknown
- 1988-06-01 ZA ZA883895A patent/ZA883895B/xx unknown
- 1988-06-08 JP JP63141378A patent/JPS6426631A/ja active Pending
- 1988-06-09 CA CA000569122A patent/CA1301998C/en not_active Expired - Fee Related
- 1988-06-10 AU AU17626/88A patent/AU606708B2/en not_active Ceased
- 1988-06-13 BR BR8802883A patent/BR8802883A/pt not_active Application Discontinuation
- 1988-06-14 FI FI882837A patent/FI882837A/fi not_active Application Discontinuation
- 1988-06-15 NO NO882656A patent/NO171861C/no unknown
- 1988-06-15 DK DK325488A patent/DK325488A/da not_active Application Discontinuation
- 1988-06-15 EP EP88305466A patent/EP0295892A3/en not_active Ceased
- 1988-06-16 KR KR1019880007265A patent/KR890000544A/ko not_active Application Discontinuation
-
1990
- 1990-06-04 US US07/532,349 patent/US5017678A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR890000544A (ko) | 1989-03-15 |
FI882837A (fi) | 1988-12-17 |
IL86563A0 (en) | 1988-11-15 |
NO882656D0 (no) | 1988-06-15 |
AU606708B2 (en) | 1991-02-14 |
DK325488A (da) | 1988-12-17 |
NO882656L (no) | 1988-12-19 |
EP0295892A2 (en) | 1988-12-21 |
AU1762688A (en) | 1988-12-22 |
EP0295892A3 (en) | 1990-02-07 |
IL86563A (en) | 1991-07-18 |
JPS6426631A (en) | 1989-01-27 |
IT8720909A0 (it) | 1987-06-16 |
FI882837A0 (fi) | 1988-06-14 |
US5017678A (en) | 1991-05-21 |
NO171861B (no) | 1993-02-01 |
NO171861C (no) | 1993-05-12 |
DK325488D0 (da) | 1988-06-15 |
CA1301998C (en) | 1992-05-26 |
IT1215563B (it) | 1990-02-14 |
ZA883895B (en) | 1988-12-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB19 | Grant procedure suspended (art. 19) | ||
FA2 | Application deemed withdrawn (art. 19(5)) |