NL190933C - Werkwijze voor het verlagen van de concentratie aan eindstandige carboxylgroepen in uit een smelt gesponnen polyestervezels en werkwijze voor het uit een smelt verspinnen van polyester. - Google Patents

Werkwijze voor het verlagen van de concentratie aan eindstandige carboxylgroepen in uit een smelt gesponnen polyestervezels en werkwijze voor het uit een smelt verspinnen van polyester.

Info

Publication number
NL190933C
NL190933C NL7904474A NL7904474A NL190933C NL 190933 C NL190933 C NL 190933C NL 7904474 A NL7904474 A NL 7904474A NL 7904474 A NL7904474 A NL 7904474A NL 190933 C NL190933 C NL 190933C
Authority
NL
Netherlands
Prior art keywords
melt
concentration
reducing
carboxyl groups
terminal carboxyl
Prior art date
Application number
NL7904474A
Other languages
English (en)
Other versions
NL7904474A (nl
NL190933B (nl
Original Assignee
Celanese Corp
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 Celanese Corp filed Critical Celanese Corp
Publication of NL7904474A publication Critical patent/NL7904474A/nl
Publication of NL190933B publication Critical patent/NL190933B/nl
Application granted granted Critical
Publication of NL190933C publication Critical patent/NL190933C/nl

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
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/40—Polyesters derived from ester-forming derivatives of polycarboxylic acids or of polyhydroxy compounds, other than from esters thereof
    • C08G63/42—Cyclic ethers; Cyclic carbonates; Cyclic sulfites; Cyclic orthoesters
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Artificial Filaments (AREA)
NL7904474A 1978-06-07 1979-06-07 Werkwijze voor het verlagen van de concentratie aan eindstandige carboxylgroepen in uit een smelt gesponnen polyestervezels en werkwijze voor het uit een smelt verspinnen van polyester. NL190933C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US91341778A 1978-06-07 1978-06-07

Publications (3)

Publication Number Publication Date
NL7904474A NL7904474A (nl) 1979-12-11
NL190933B NL190933B (nl) 1994-06-01
NL190933C true NL190933C (nl) 1994-11-01

Family

ID=25433254

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7904474A NL190933C (nl) 1978-06-07 1979-06-07 Werkwijze voor het verlagen van de concentratie aan eindstandige carboxylgroepen in uit een smelt gesponnen polyestervezels en werkwijze voor het uit een smelt verspinnen van polyester.

Country Status (7)

Country Link
US (1) US4442058A (nl)
JP (1) JPS54160818A (nl)
BR (1) BR7903444A (nl)
CA (1) CA1128266A (nl)
DE (1) DE2920641A1 (nl)
MX (1) MX151945A (nl)
NL (1) NL190933C (nl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4839124A (en) * 1988-02-29 1989-06-13 Allied-Signal Inc. Reduction of carboxyl end groups in polyester fibers with lactim ethers
US4929715A (en) * 1989-01-03 1990-05-29 Allied-Signal Inc. Reduction of carboxyl end groups in polyester with dilactim ethers
EP0416288B1 (en) * 1989-09-05 1996-03-13 Bridgestone/Firestone, Inc. Reduction of acidity of polyesters by melt reaction endcapping
US6162874A (en) 1994-11-07 2000-12-19 Bridgestone/Firestone, Inc. Block copolymers interpolymerized with in situ polystyrene and process for preparation thereof
DE19526405B4 (de) * 1995-07-19 2006-03-30 Zimmer Ag Verfahren zur Reduzierung der Carboxyl-Endgruppen linearer Polyester
US6342578B1 (en) 2000-12-06 2002-01-29 Arteva North America S.A.R.L. Copolyester with high carboxyl end groups and a method for making
US7014914B2 (en) * 2004-01-09 2006-03-21 Milliken & Company Polyester yarn and airbags employing certain polyester yarn

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016142A (en) * 1966-11-09 1977-04-05 Millhaven Fibers, Ltd. Process for the control of carboxyl end groups in fiber-forming polyesters
US3627867A (en) * 1968-09-05 1971-12-14 Du Pont Process of melt-spinning high-molecular-weight ethylene terephthalate polymer
JPS5160727A (ja) * 1974-11-21 1976-05-26 Toray Industries Yojuboshihoho
US4071504A (en) * 1975-05-02 1978-01-31 The Goodyear Tire & Rubber Company Process for producing low carboxyl polyester fibers and other articles

Also Published As

Publication number Publication date
JPS54160818A (en) 1979-12-19
NL7904474A (nl) 1979-12-11
BR7903444A (pt) 1980-01-15
JPS6352132B2 (nl) 1988-10-18
CA1128266A (en) 1982-07-27
DE2920641A1 (de) 1979-12-20
NL190933B (nl) 1994-06-01
DE2920641C2 (nl) 1991-03-14
MX151945A (es) 1985-05-09
US4442058A (en) 1984-04-10

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Legal Events

Date Code Title Description
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: CELANESE CORPORATION

A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee

Effective date: 19960101