DE69007862D1 - Farbminimalisierung während der Schmelzzubereitung von Polyamiden. - Google Patents

Farbminimalisierung während der Schmelzzubereitung von Polyamiden.

Info

Publication number
DE69007862D1
DE69007862D1 DE90109852T DE69007862T DE69007862D1 DE 69007862 D1 DE69007862 D1 DE 69007862D1 DE 90109852 T DE90109852 T DE 90109852T DE 69007862 T DE69007862 T DE 69007862T DE 69007862 D1 DE69007862 D1 DE 69007862D1
Authority
DE
Germany
Prior art keywords
polyamides
melt preparation
minimization during
color
color minimization
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 - Fee Related
Application number
DE90109852T
Other languages
English (en)
Other versions
DE69007862T2 (de
Inventor
Kenneth Paul Blackmon
Donald Carl Clagett
Sheldon Jay Shafer
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.)
General Electric Co
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE69007862D1 publication Critical patent/DE69007862D1/de
Publication of DE69007862T2 publication Critical patent/DE69007862T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C08G69/28—Preparatory processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyamides (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DE69007862T 1989-06-09 1990-05-23 Farbminimalisierung während der Schmelzzubereitung von Polyamiden. Expired - Fee Related DE69007862T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/364,360 US4983718A (en) 1989-06-09 1989-06-09 Color minimization during melt preparation of polyamides with hypophosphorus acid

Publications (2)

Publication Number Publication Date
DE69007862D1 true DE69007862D1 (de) 1994-05-11
DE69007862T2 DE69007862T2 (de) 1994-11-03

Family

ID=23434167

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69007862T Expired - Fee Related DE69007862T2 (de) 1989-06-09 1990-05-23 Farbminimalisierung während der Schmelzzubereitung von Polyamiden.

Country Status (5)

Country Link
US (1) US4983718A (de)
EP (1) EP0401604B1 (de)
JP (1) JPH0733440B2 (de)
CA (1) CA2012822A1 (de)
DE (1) DE69007862T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9101606A (nl) * 1991-09-24 1993-04-16 Dsm Nv Werkwijze voor de bereiding van polytetramethyleenadipamides.
US5304689A (en) * 1992-06-01 1994-04-19 General Electric Company Stabilization of color in production of paracumylphenol using hypophosphorous acid
WO2010117098A2 (en) * 2009-04-10 2010-10-14 Sk Chemicals Co., Ltd. Method of preparing a heat-resistant polyamide

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1113824A (en) * 1966-02-22 1968-05-15 Ici Ltd Fibre-forming polyamides
US3723396A (en) * 1971-04-19 1973-03-27 Ici Ltd Catalytic production of polyamides from aromatic diamines
DE2627342A1 (de) * 1976-06-18 1977-12-22 Dynamit Nobel Ag Verfahren zur herstellung von gegebenenfalls modifiziertem poly- (alkylpentamethylenterephthalamid)
US4495328A (en) * 1983-02-16 1985-01-22 Standard Oil Company (Indiana) Crystalline copolyamides from terephthalic acid and hexamethylenediamine and trimethylhexamethylenediamine
US4567249A (en) * 1983-11-18 1986-01-28 General Electric Company Melt preparation of polyamide by amide ester interchange
DE3539846A1 (de) * 1985-11-09 1987-05-14 Huels Chemische Werke Ag Thermoplastisch verarbeitbare aromatische polyamide mit chemisch eingebauten ether- und sulfonylgruppen und verfahren zu ihrer herstellung

Also Published As

Publication number Publication date
JPH0368628A (ja) 1991-03-25
EP0401604B1 (de) 1994-04-06
DE69007862T2 (de) 1994-11-03
US4983718A (en) 1991-01-08
EP0401604A1 (de) 1990-12-12
JPH0733440B2 (ja) 1995-04-12
CA2012822A1 (en) 1990-12-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee