GB1525109A - Polyesters and process for their production - Google Patents

Polyesters and process for their production

Info

Publication number
GB1525109A
GB1525109A GB4364475A GB4364475A GB1525109A GB 1525109 A GB1525109 A GB 1525109A GB 4364475 A GB4364475 A GB 4364475A GB 4364475 A GB4364475 A GB 4364475A GB 1525109 A GB1525109 A GB 1525109A
Authority
GB
United Kingdom
Prior art keywords
oct
production
preparation
polyesters
acid
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4364475A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Standard Oil Co
Original Assignee
Standard Oil Co
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 Standard Oil Co filed Critical Standard Oil Co
Publication of GB1525109A publication Critical patent/GB1525109A/en
Expired legal-status Critical Current

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
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/33—Polycyclic acids
    • C07C63/331—Polycyclic acids with all carboxyl groups bound to non-condensed rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/33—Polycyclic acids
    • C07C63/331—Polycyclic acids with all carboxyl groups bound to non-condensed rings
    • C07C63/333—4,4' - Diphenyldicarboxylic acids
    • 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
    • C08G63/181—Acids containing aromatic rings
    • C08G63/185—Acids containing aromatic rings containing two or more aromatic rings

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)
  • Oil, Petroleum & Natural Gas (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyamides (AREA)

Abstract

1525109 2,2<SP>1</SP>,6,6<SP>1</SP>-Tetramethylbiphenyl-4,4<SP>1</SP>- dicarboxylic acids STANDARD OIL CO 23 Oct 1975 [24 Oct 1974 15 Oct 1975] 43644/75 Heading C2C [Also in Division C3] A process for the production of 2,2<SP>1</SP>,6,6<SP>1</SP>- tetramethyl-biphenyl-4,4<SP>1</SP>-dicarboxylic acid or ester forming derivative comprises oxidizing the paramethyl groups of bimesityl using molecular oxygen in the presence of a cobalt catalyst. Preparation 1 describes the preparation of the acid and the dimethyl ester.
GB4364475A 1974-10-24 1975-10-23 Polyesters and process for their production Expired GB1525109A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51750674A 1974-10-24 1974-10-24
US62264975A 1975-10-15 1975-10-15

Publications (1)

Publication Number Publication Date
GB1525109A true GB1525109A (en) 1978-09-20

Family

ID=27059159

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4364475A Expired GB1525109A (en) 1974-10-24 1975-10-23 Polyesters and process for their production

Country Status (7)

Country Link
JP (1) JPS5168552A (en)
BE (1) BE834860A (en)
CA (1) CA1075260A (en)
DE (1) DE2547575A1 (en)
FR (1) FR2309580A1 (en)
GB (1) GB1525109A (en)
IT (1) IT1048332B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4384107A (en) 1981-03-02 1983-05-17 Polaroid Corporation Polyamide comprising substituted biphenylene or substituted stilbene radicals
DE3927772A1 (en) * 1989-08-23 1991-02-28 Bayer Ag METHOD FOR PRODUCING AROMATIC DICARBONIC ACIDS AND NEW AROMATIC DICARBONIC ACIDS

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE613918A (en) * 1961-02-17 1962-05-29 Ici Ltd Polyesters susceptible to crystallization
BE789336A (en) * 1971-09-29 1973-01-15 Timex Corp ELECTRONIC ALARM WATCH
CA1007320A (en) * 1972-07-05 1977-03-22 Guy L. Fougere Method and apparatus for coin discrimination utilizing a coin impeller

Also Published As

Publication number Publication date
IT1048332B (en) 1980-11-20
FR2309580A1 (en) 1976-11-26
CA1075260A (en) 1980-04-08
DE2547575A1 (en) 1976-04-29
JPS5168552A (en) 1976-06-14
BE834860A (en) 1976-04-26
FR2309580B1 (en) 1978-07-28

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921023