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Aromatic polythioetheramide

Assignee: Mitsubishi Chemical Corp
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Filing: 1985-04-08
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Granted: 1986-11-04
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Expires: 2005-04-08
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Abstract

Abstract Aromatic polythioetheramide polymers having a repeating unit represented by the formulae as shown below and a process for the production thereof are described. These polymers have excellent moldability, flame retardance, heat resistance, and chemical resistance, and are suitable for use as engineering plastics: <IMAGE> <IMAGE> wherein all the symbols are the same as defined in the specification and claims.

Inventors

  • 👤 Mitsutoshi Aritomi
  • 👤 Makoto Terauchi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 06:25
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/42; C08G69/02; C08G69/26; C08G69/32

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 135 words
An aromatic polythioetheramide polymer having a repeating unit represented by the following formula: ##STR32## wherein X is a divalent hydrocarbon group having from 1 to 10 carbon atoms, --O--, --S--, --SO--, --SO 2 --, or --CO--, a is 0 or 1; Y, which Y radicals are the same or different, are selected from the group consisting of an alkyl group having from 1 to 20 carbon atoms, a cycloalkyl group having from 3 to 20 carbon atoms, an aralkyl group having from 6 to 20 carbon atoms, an aryl group having from 6 to 20 carbon atoms, a halogen atom, or a nitro group, b and c, which are the same or different, each is an integer of from 0 to 4, and Ar is an aromatic ring having from 6 to 30 carbon atoms.
Claim 2
Dependent Claim 135 words
An aromatic polythioetheramide polymer having a repeating unit represented by the following formula: ##STR32## wherein X is a divalent hydrocarbon group having from 1 to 10 carbon atoms, --O--, --S--, --SO--, --SO 2 --, or --CO--, a is 0 or 1; Y, which Y radicals are the same or different, are selected from the group consisting of an alkyl group having from 1 to 20 carbon atoms, a cycloalkyl group having from 3 to 20 carbon atoms, an aralkyl group having from 6 to 20 carbon atoms, an aryl group having from 6 to 20 carbon atoms, a halogen atom, or a nitro group, b and c, which are the same or different, each is an integer of from 0 to 4, and Ar is an aromatic ring having from 6 to 30 carbon atoms.
Claim 3
Dependent Claim 104 words
An aromatic polythioetheramide polymer having a repeating unit represented by the following formula: ##STR33## wherein d is an integer of from 0 to 20, Y is an alkyl group having from 1 to 20 carbon atoms, a cycloalkyl group having from 3 to 20 carbon atoms, an aralkyl group having from 6 to 20 carbon atoms, an aryl group having from 6 to 20 carbon atoms, a halogen atom, or a nitro group, e and f which are the same or different are each an integer of from 0 to 4, and Ar is an aromatic ring having from 6 to 30 carbon atoms.
Claim 4
Dependent Claim 104 words
An aromatic polythioetheramide polymer having a repeating unit represented by the following formula: ##STR33## wherein d is an integer of from 0 to 20, Y is an alkyl group having from 1 to 20 carbon atoms, a cycloalkyl group having from 3 to 20 carbon atoms, an aralkyl group having from 6 to 20 carbon atoms, an aryl group having from 6 to 20 carbon atoms, a halogen atom, or a nitro group, e and f which are the same or different are each an integer of from 0 to 4, and Ar is an aromatic ring having from 6 to 30 carbon atoms.
Claim 5
Dependent Claim 195 words
An aromatic polyamide copolymer, comprising: from 51 to 99 mol % of a repeating unit represented by formula (III), and from 49 to 1 mol % of a repeating unit selected from the group consisting of repeating units of formula (IV), repeating units of formula (V) and combinations of repeating units of both of these formulas: ##STR34## wherein Ar is an aromatic ring from 6 to 20 carbon atoms, ##STR35## is a residue of terephthalic acid and/or isophthalic acid, X is a divalent hydrocarbon group having from 1 to 10 carbon atoms, --O--, --S--, --SO--, --SO 2 -- or --CO--, a is 0 to 1; Y, which Y radicals are the same or different, are selected from the group consisting of an alkyl group having from 1 to 20 carbon atoms, a cycloalkyl group having from 3 to 20 carbon atoms, an aryl group having from 6 to 20 carbon atoms, a halogen atom, or a nitro group, b and c, which are the same or different, each is an integer of from 0 to 4, d is an integer of from 0 to 20, and e is an integer of from 0 to 4.
Claim 6
Dependent Claim 195 words
An aromatic polyamide copolymer, comprising: from 51 to 99 mol % of a repeating unit represented by formula (III), and from 49 to 1 mol % of a repeating unit selected from the group consisting of repeating units of formula (IV), repeating units of formula (V) and combinations of repeating units of both of these formulas: ##STR34## wherein Ar is an aromatic ring from 6 to 20 carbon atoms, ##STR35## is a residue of terephthalic acid and/or isophthalic acid, X is a divalent hydrocarbon group having from 1 to 10 carbon atoms, --O--, --S--, --SO--, --SO 2 -- or --CO--, a is 0 to 1; Y, which Y radicals are the same or different, are selected from the group consisting of an alkyl group having from 1 to 20 carbon atoms, a cycloalkyl group having from 3 to 20 carbon atoms, an aryl group having from 6 to 20 carbon atoms, a halogen atom, or a nitro group, b and c, which are the same or different, each is an integer of from 0 to 4, d is an integer of from 0 to 20, and e is an integer of from 0 to 4.
Claim 7
Dependent Claim 33 words
The copolymer as claimed in claim 3, wherein Ar is ##STR36## wherein X is --O--, --S--, --SO--, --SO 2 --, --CO-- or a divalent hydrocarbon group having from 1 to 10 carbon atoms.

References Cited (Backward Citations)

US3505288A Cited
US3738964A Cited
US4410684A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-11-03 1990-05-05 1990-11-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-11-03 1994-05-05 1994-11-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-11-03 1998-05-05 1998-11-04 $7700.00 Window Closed / Lapsed

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