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IL39187A - Polyamide fibers and films and their preparation - Google Patents

Polyamide fibers and films and their preparation

Info

Publication number
IL39187A
IL39187A IL39187A IL3918772A IL39187A IL 39187 A IL39187 A IL 39187A IL 39187 A IL39187 A IL 39187A IL 3918772 A IL3918772 A IL 3918772A IL 39187 A IL39187 A IL 39187A
Authority
IL
Israel
Prior art keywords
trans
radicals
polyamide
film
solvent
Prior art date
Application number
IL39187A
Other versions
IL39187A0 (en
Original Assignee
Du Pont
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27495312&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IL39187(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Du Pont filed Critical Du Pont
Publication of IL39187A0 publication Critical patent/IL39187A0/en
Publication of IL39187A publication Critical patent/IL39187A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/26Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
    • C08G69/32Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids from aromatic diamines and aromatic dicarboxylic acids with both amino and carboxylic groups aromatically bound
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/60Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
    • D01F6/605Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides from aromatic polyamides

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)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Claims (1)

1. WHAT IS CLAIMED. IS : 1. Fiber and film of polyamide having an inherent viscosity of at least 2.5 and consisting' essentially of recurring units selected from the group: ' 0 0 H H I II II I I I -C-R -C- II -N-R'-N- n O H II I and III -C-R"-N-wherein units I and II, if present in the polymer are present in substantially equimolar amounts, R, R' and R" groups, which may be the same or different, are divalent radicals, n may be zero or the integer one and at least about 95 niol 2. Fiber and film of Claim 1 wherein R, R' and R" are selected from the group of the following radicals which may be substituted: 1,4-phenylene, 4,4'^biphenylene, 1,5-naphthylene, 2,6-naphthylene, trans-1,4-cyclohexylene, 2,5-pyridylene, trans, -trans- , '-bicyclohexylene. and 1,4-phenylene groups linked by trans-vinylene, ethynylene, azo or azoxy; R may also be selected , from the group of trans-vinylene, ethynylene, trans,trans-l,4-butadienylene or 2,4' -trans-vinylenephenylene and R" may be 2, · -trans-vinylenephenylene. . i 3. Fiber and film of Claim 1 wherein R and R» are selected from the group of 1,4-phenylene, 4,41 -biphenylene, 2,6-naphthylene, 1, 5-naphthylene and trans-1,4-cyclohexylene R may also be selected from the' group 2, 5-pyridylene and trans-vinylene; and R" is 1,4-phenylene with the proviso that at least 50 mole 4. Fiber and film of claim 1 wherein the filament or film breaking elongation is at least 4.5%' and the polyamide inherent viscosity is at least 3.0. 5. Fiber or film of claim 1 wherein the fiber or film has radial orientation as shown by an LGO value of at least 10. 6. Fiber or film of claim 1 wherein the LCO value is at least 2,0. 7. Fiber or film of claim 1 wherein the fiber or film consists of poly(p_-phenylene terephthalamide) . • 39187/2' 8. A method for prep^rinp polyamide fibers and film according to Claim 1 comprisin extruding B dope through an orifice through a layer of inert non-coagulating fluid and then into a coagulating bath, the dope comprising a polyamide and a -solvent consisting essentially of sulfuric acid of at least 98$ concentration, chlorosulfuric acid or fluorosulfuric acid and mixtures thereof at a concentration (C) of at least 30 grams of polymer per 100 ml. of solvent, the polyamide having an inherent viscosity of at- least 2.5 but not less than 2.8 - .05(0-30) and consisting essentially of recurring units selected from the group : 0 0 H Ή II II 1 1 I -C-Rn-C- II -N-R'-N- ■·' 1 0 H II I and III -C-R"-N- wherein units I and II, if present in the polyamide, a e present in substantially equimolar amounts, R, R' and R" which may be the same or different, are divalent radicals, n may be zero or the integer one, and at least about 95 mol $ of the total R, R' and R" radicals in the polyamide consist of single rigid radicals with extended bonds or a series of such rigid radicals which are linked together directly by extended bonds with the proviso that rigid ring radicals may be linked by azo or azoxy groups. ' 9. The method of Claim 8 wherein the acid is sulfuric acid of at least 98 concentration. 10. The method of Claim 8 wherein the, dope ίβ' solid o , 0 at 25 C. and is extruded at 40-120 C. 11. The method of Claim 8 wherein the dope is extruded at 70-90°C. 12. The method of Claim 9 wherein the polyamide has an inherent viscosity of at least 3.0 and is present at a concentration of at least 40 grams per 100 ml. of solvent. 13. The method of Claim 9 wherein the polyamide is poly (p-phenylene terephthalamide) . 14. The method of Claim 1 wherein there is "between 40 and 56 grams of polymer per 100 ml. of solvent in the spinning dope. 15. The method of Claim 8 wherein the layer of fluid is between 0.1 and 10 cm. thick. ΐββ The method of Claim 8 wherein the layer of fluid is a gas. 17. The method of Claim 8 wherein the coagulating bath is at a temperature of under 50°C. 18. The method of Claim 17 wherein the fluid layer is air and the coagulating bath is water at a temperature of under 50°C. 19. The method of Claim 8 wherein the rigid radicals are single ring or fused multi-ring aromatic carbocyclic or heterocyclic radicals, trans-l, -cyclohexylene, 1, -[2ί2ί2]- ί I - - - . 39187/2 20. A method for prepprinff polyamide fibers and film ' according to Claim 1 comprising extruding a spinning dope frora an orifice through a layer of inert non-coagulating fluid into a coagulating bath, said dope comprising a polyamide and a solvent consisting essentially of sulfuric acid of at least 98 concentration, chlorosulfuric acid or fluorosulfuric acid and mixtures thereof at a concentration (C) of at least 30 grams of polymer per 100 ml. of solvent, said polyamide having an inherent viscosity of at least 2.5 but no less than 2.8 - .05 (C-30) I and consisting essentially of recurring units selected from the grou : I -C-R^C- II -N-R'-N- 0 H and III -C-R"-N- wherein units I and II, if present in the polymer, are present in substantially equimolar amounts, R, R' and R" may be the same or different divalent radicals, n may be zero or the integer one, and at least about 95 mol of the total, R, R' and R" radicals in the polymer are selected from the group of trans- 1,4-cyclohexylene, 1,4-phenylene, 1, 5-naphthylene, 2,6-naph- thylene, 2,5-pyridylene, 4,4 ' -biphenylene, trans,trans- 1 ' - bicyclohexylene radicals and 1,4-phenylene groups linked b trans-vlnylene, ethynylene, azo or azoxy with the proviso that R may also be selected from trans-vinylene, ethynylene, trans¾ - trans-1, -butadienylene and 2,4' -trans-vinylenephenylene. 21. The method of Claim 20 wherein the polyamide has an inherent viscosity of at least 3.0 and is present at a concentration of at least 40 grams per 100. ml. of solvent. 39187/2 22. The method of Claim 21 wherein the fluid layer is air and the coagulating bath is water at a temperature of under 50°C. 23. j A spinning dope for preparing polyamide fibers and film according to Claim 1 comprising a polynmide and a- = solvent consisting essentially of sulfuric" acid of at least 98$ concentration, chlorosulfuric acid or fluorosulfuric acid and mixtures thereof,' said polyamide having an inherent viscosity of at least 4.0 and consisting essentially of recurring units selected from the group: 0 0 H H II II I I I -C-R -C- II -N-R'-N- n O H II t and III -c-R"-N-wherein units I and II, if present in the polymer, are present in substantially equimolar amounts, R, R1 and R" which may be the same or different, are divalent radicals, n may be zero or the integer one, and at least 95 mol $ of the total, R, R1 and R" radicals in the polymer consist of single rigid radicals with extended bonds or a series of such rigid radicals which are linked together directly by extended bonds, with the proviso that rigid ring radicals may be linked by azo or azoxy groups, the concentration of said polymer in the solvent being at least 30 grams of polymer per 100 ml. of solvent.
IL39187A 1971-04-28 1972-04-11 Polyamide fibers and films and their preparation IL39187A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US13818071A 1971-04-28 1971-04-28
US13821071A 1971-04-28 1971-04-28
US17257271A 1971-08-17 1971-08-17
US17251571A 1971-08-17 1971-08-17

Publications (2)

Publication Number Publication Date
IL39187A0 IL39187A0 (en) 1972-06-28
IL39187A true IL39187A (en) 1976-02-29

Family

ID=27495312

Family Applications (1)

Application Number Title Priority Date Filing Date
IL39187A IL39187A (en) 1971-04-28 1972-04-11 Polyamide fibers and films and their preparation

Country Status (19)

Country Link
JP (3) JPS5514170B1 (en)
AR (1) AR193389A1 (en)
AU (1) AU474823B2 (en)
BE (1) BE782795A (en)
CA (1) CA996716A (en)
CH (1) CH531057A (en)
DD (1) DD98540A5 (en)
DE (3) DE2265806C3 (en)
DK (1) DK153800C (en)
FR (1) FR2134582B1 (en)
GB (1) GB1393011A (en)
IE (1) IE36332B1 (en)
IL (1) IL39187A (en)
IT (1) IT968191B (en)
LU (1) LU65248A1 (en)
NL (1) NL172569B (en)
NO (1) NO136415B (en)
PL (1) PL82355B1 (en)
SE (1) SE381684B (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5012006B1 (en) * 1968-06-12 1975-05-08
IL39188A (en) * 1971-04-28 1976-02-29 Du Pont Poly(p-phenylene terephthalamide)fibers and their preparation
SE416814B (en) * 1974-05-10 1981-02-09 Du Pont NEW SYNTHETIC POLYESTERS AND SETS FOR THEIR PREPARATION
NL174730C (en) * 1974-05-24 Rhone Poulenc Textile PROCESS FOR PREPARING AN OPTICAL ANISOTROPIC PREPARATION OF A STATISTICAL OR ORDINARY COPOLYAMIDE, AND PRODUCTS FORMED THEREOF, AND PROCEDURE FOR PREPARING THE COPOLYAMIDS.
NL157327C (en) * 1975-02-21 1984-05-16 Akzo Nv PROCESS FOR PREPARING POLY-P-PHENYLENE DEPHALAMIDE.
JPS551324A (en) * 1978-06-15 1980-01-08 Asahi Chem Ind Co Ltd Production of aromatic polyamide fiber
JPS55122011A (en) * 1979-03-13 1980-09-19 Asahi Chem Ind Co Ltd Poly-p-phenylene terephthalamide fiber having high young's modulus and its preparation
JPS55122012A (en) * 1979-03-13 1980-09-19 Asahi Chem Ind Co Ltd Poly-p-phenylene terephthalamide fiber having improved fatigue resistance and its production
NL7904496A (en) * 1979-06-08 1980-12-10 Akzo Nv FIBER, WIRE BUNDLE AND ROPE OF POLY-P-PHENYLENE GRADE-LANGUAGE AMIDE.
NL172680C (en) 1979-06-08 1983-10-03 Akzo Nv PROCESS FOR MANUFACTURING FIBERS FROM POLY-P-PHENYLENE DEPTHALAMIDE AND THE PRODUCTS PRODUCED SO.
EP0087385B1 (en) * 1982-01-29 1986-09-17 Ciba-Geigy Ag Transparent, cross-linkable polyamides
JPS5943114A (en) * 1982-09-06 1984-03-10 Asahi Chem Ind Co Ltd Poly(p-phenylene terephthalamide) fiber
US4869860A (en) * 1984-08-09 1989-09-26 E. I. Du Pont De Nemours And Company Spinning process for aromatic polyamide filaments
JP2603971B2 (en) * 1987-11-09 1997-04-23 旭化成工業株式会社 Flow tube wet spinning method
DE3835419A1 (en) * 1988-10-18 1990-04-19 Hoechst Ag FULLY FLAVORED POLYAMIDES, METHOD FOR THE PRODUCTION THEREOF AND MOLDS MADE THEREOF
DE3835405A1 (en) * 1988-10-18 1990-05-03 Hoechst Ag FULLY FLAVORED POLYAMIDES, METHOD FOR THE PRODUCTION THEREOF AND MOLDS MADE THEREOF
DE3835441A1 (en) * 1988-10-18 1990-04-26 Hoechst Ag FULL-AROMATIC POLYAMIDES, METHOD FOR THE PRODUCTION THEREOF AND THEREFORE MOLDED PICTURES
DE4010941A1 (en) * 1990-04-05 1991-10-10 Hoechst Ag METHOD FOR PRODUCING AROMATIC POPYAMIDES WITH HIGH HYDROLYSIS RESISTANCE
US5393478A (en) * 1993-08-20 1995-02-28 The Dow Chemical Company Process for coagulation and washing of polybenzazole fibers
WO1999013140A1 (en) 1997-09-09 1999-03-18 E.I. Du Pont De Nemours And Company Wholly aromatic synthetic fiber produced by liquid-crystal spinning, process for producing the same, and use thereof
JP4658194B2 (en) * 2005-07-06 2011-03-23 コーロン インダストリーズ インク Method for producing wholly aromatic polyamide filament
JP2013177716A (en) * 2012-01-30 2013-09-09 Teijin Ltd Wholly aromatic polyamide regenerated fiber and method for producing the same

Family Cites Families (20)

* Cited by examiner, † Cited by third party
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FR738777A (en) * 1931-07-06 1932-12-29 Bemberg Ag Process for manufacturing cellulose products
US2318704A (en) * 1940-04-02 1943-05-11 Celanese Corp Production of artificial filaments, foils, and like shaped articles
NL108288C (en) * 1957-02-28
BE600587A (en) * 1960-02-25
FR1327017A (en) * 1960-09-05 1963-05-17 Process for wet spinning of polymers dissolved in aqueous solutions containing electrolytes and device for its implementation
US3154610A (en) 1961-05-31 1964-10-27 Celanese Corp Process of wet spinning polyamides and prevention of gel formation
FR1323414A (en) 1961-05-31 1963-04-05 Celanese Corp Improvements in the production of extruded products
US3080210A (en) * 1961-12-01 1963-03-05 Monsanto Chemicals Spinning of acrylonitrile polymers
US3414645A (en) * 1964-06-19 1968-12-03 Monsanto Co Process for spinning wholly aromatic polyamide fibers
GB1175042A (en) * 1966-03-11 1969-12-23 Compoflex Co Ltd Improvements in or relating to Flexible Hose or Tubing
US3411645A (en) * 1966-06-09 1968-11-19 Hercules Galion Prod Inc Refuse collecting vehicle forward tilt body
DE1745254A1 (en) * 1966-06-13 1970-12-23 Du Pont Polyamide threads, fibers, films and fibrids
CA928440A (en) * 1967-12-27 1973-06-12 I. Bair Thomas Fibres of aromatic para-oriented polyterephthalamides
JPS5012006B1 (en) * 1968-06-12 1975-05-08
GB1272316A (en) * 1968-07-02 1972-04-26 Toray Industries Method for production of thermally stable polyimide fibres
US3532778A (en) * 1968-10-23 1970-10-06 Celanese Corp Art of producing shaped,modified,condensation polymers
US3574811A (en) * 1969-10-08 1971-04-13 Celanese Corp Polyamide wet-spinning and stretching process
US3642706A (en) 1970-03-03 1972-02-15 Monsanto Co Process for spinning wholly aromatic polyamide filaments
IL39188A (en) * 1971-04-28 1976-02-29 Du Pont Poly(p-phenylene terephthalamide)fibers and their preparation
JPH0833594B2 (en) 1988-09-06 1996-03-29 富士写真フイルム株式会社 Irradiation field recognition method

Also Published As

Publication number Publication date
IL39187A0 (en) 1972-06-28
JPS5514170B1 (en) 1980-04-14
IE36332B1 (en) 1976-10-13
AU4153572A (en) 1973-11-01
NL172569B (en) 1983-04-18
NO136415B (en) 1977-05-23
JPS5130257A (en) 1976-03-15
IE36332L (en) 1972-10-28
CH531057A (en) 1972-11-30
FR2134582B1 (en) 1979-06-08
LU65248A1 (en) 1972-07-13
DE2265806C3 (en) 1991-03-07
DE2219703C3 (en) 1984-06-07
JPS5914567B2 (en) 1984-04-05
DK153800B (en) 1988-09-05
SE381684B (en) 1975-12-15
BE782795A (en) 1972-10-30
GB1393011A (en) 1975-05-07
DE2219703A1 (en) 1972-11-09
FR2134582A1 (en) 1972-12-08
DE2265807C3 (en) 1990-05-10
JPS5914568B2 (en) 1984-04-05
AR193389A1 (en) 1973-04-23
DE2219703B2 (en) 1975-01-16
DK153800C (en) 1989-01-16
JPS5123566A (en) 1976-02-25
IT968191B (en) 1974-03-20
DD98540A5 (en) 1973-06-20
PL82355B1 (en) 1975-10-31
NL7205836A (en) 1972-10-31
CA996716A (en) 1976-09-14
AU474823B2 (en) 1976-08-05

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