MX151945A - Metodo mejorado para reducir el contenido de grupos terminales carboxilo de poliesteres en la hilatura del mismo - Google Patents
Metodo mejorado para reducir el contenido de grupos terminales carboxilo de poliesteres en la hilatura del mismoInfo
- Publication number
- MX151945A MX151945A MX177891A MX17789179A MX151945A MX 151945 A MX151945 A MX 151945A MX 177891 A MX177891 A MX 177891A MX 17789179 A MX17789179 A MX 17789179A MX 151945 A MX151945 A MX 151945A
- Authority
- MX
- Mexico
- Prior art keywords
- spinning
- content
- reduce
- improved method
- terminal groups
- Prior art date
Links
- -1 CARBOXYL Chemical class 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229920000728 polyester Polymers 0.000 title 1
- 238000009987 spinning Methods 0.000 title 1
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)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Polyesters Or Polycarbonates (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US91341778A | 1978-06-07 | 1978-06-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX151945A true MX151945A (es) | 1985-05-09 |
Family
ID=25433254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX177891A MX151945A (es) | 1978-06-07 | 1979-05-31 | Metodo mejorado para reducir el contenido de grupos terminales carboxilo de poliesteres en la hilatura del mismo |
Country Status (7)
Country | Link |
---|---|
US (1) | US4442058A (es) |
JP (1) | JPS54160818A (es) |
BR (1) | BR7903444A (es) |
CA (1) | CA1128266A (es) |
DE (1) | DE2920641A1 (es) |
MX (1) | MX151945A (es) |
NL (1) | NL190933C (es) |
Families Citing this family (7)
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 |
ES2084626T3 (es) * | 1989-09-05 | 1996-05-16 | Bridgestone Firestone Inc | Reduccion de la acidez de poliesteres mediante proteccion terminal en reaccion de fusion. |
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)
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 |
-
1979
- 1979-05-22 DE DE19792920641 patent/DE2920641A1/de active Granted
- 1979-05-31 MX MX177891A patent/MX151945A/es unknown
- 1979-05-31 BR BR7903444A patent/BR7903444A/pt unknown
- 1979-06-01 JP JP6758379A patent/JPS54160818A/ja active Granted
- 1979-06-04 CA CA329,049A patent/CA1128266A/en not_active Expired
- 1979-06-07 NL NL7904474A patent/NL190933C/xx not_active IP Right Cessation
-
1983
- 1983-07-05 US US06/510,781 patent/US4442058A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BR7903444A (pt) | 1980-01-15 |
JPS6352132B2 (es) | 1988-10-18 |
NL190933C (nl) | 1994-11-01 |
CA1128266A (en) | 1982-07-27 |
DE2920641A1 (de) | 1979-12-20 |
NL190933B (nl) | 1994-06-01 |
JPS54160818A (en) | 1979-12-19 |
US4442058A (en) | 1984-04-10 |
DE2920641C2 (es) | 1991-03-14 |
NL7904474A (nl) | 1979-12-11 |
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