IL39188A - Poly(p-phenylene terephthalamide)fibers and their preparation - Google Patents
Poly(p-phenylene terephthalamide)fibers and their preparationInfo
- Publication number
- IL39188A IL39188A IL39188A IL3918872A IL39188A IL 39188 A IL39188 A IL 39188A IL 39188 A IL39188 A IL 39188A IL 3918872 A IL3918872 A IL 3918872A IL 39188 A IL39188 A IL 39188A
- Authority
- IL
- Israel
- Prior art keywords
- fiber
- poly
- phenylene terephthalamide
- less
- orientation angle
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title claims 13
- -1 Poly(p-phenylene terephthalamide) Polymers 0.000 title claims 8
- 229920003366 poly(p-phenylene terephthalamide) Polymers 0.000 title claims 4
- 238000010438 heat treatment Methods 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
Classifications
-
- 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
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
- D01F6/605—Monocomponent 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)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Tires In General (AREA)
Claims (6)
1. A novel high tenacity, high modulus fiber, having a density of at least 1.4-0 g./cm.^ and consisting essentially of poly(p-phenylene terephthalamide) , the polymer of said fiber having an inherent viscosity of at least 4.0 and said fiber having 1) a lateral birefringence of at least 0.022, 2) crystalline o regions with an apparent crystallite size of greater than' 58 A, and 3) an orientation angle no greater than 13° with the proviso that the ratio of the apparent crystallite size ; o the orienta- o tion angle is at least 6 A . degree
2. The fiber of Claim 1 having a filament tenacity of at least 22 grams per denier and a yarn modulus of at least 900 g.p.d.
3. The fiber of Claim 2 wherein the crystalline regions have an orientation angle of less than 10° . · ·-·
4. Process for preparing the poly(p-phenylene terephthalamide) fiber of Claim 1 by heating a poly(p-phenylene terephthalamide) fiber having an inherent viscosity' of at least 4.0 , an orientation angle of less than 22 ° and an apparent crystallite 0 size of less than 52 A under tension in a zone maintained of at least 150eC. for a length of time sufficient to provide an appar- 0 ent crystallite size of more than 58 A and an orientation angle of greater rio than 13° wherein the starting fiber has a lateral birefringence of at least 0.02 , the tension is at least 0.5 g./denier but less than the tension required to draw the fiber more than I.03 times its original length at that temperature and the time of heating is such that the original tensile strength and inherent viscosity of the starting fiber does not decrease by more than 30$.
5. · Process of Claim 4 wherein the starting fibers have a density of at least 1.40.
6. Process of Claim 4 wherein the starting fibers have a density of at least 1.44 and a tensile strength of at least 22 g./denier .
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13820971A | 1971-04-28 | 1971-04-28 | |
| US17251471A | 1971-08-17 | 1971-08-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL39188A0 IL39188A0 (en) | 1972-06-28 |
| IL39188A true IL39188A (en) | 1976-02-29 |
Family
ID=26835968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL39188A IL39188A (en) | 1971-04-28 | 1972-04-11 | Poly(p-phenylene terephthalamide)fibers and their preparation |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS5514167B1 (en) |
| AR (1) | AR198167A1 (en) |
| AU (1) | AU463869B2 (en) |
| BE (1) | BE782796A (en) |
| CA (1) | CA1013525A (en) |
| CH (1) | CH531056A (en) |
| DE (2) | DE2266038C3 (en) |
| ES (1) | ES402142A1 (en) |
| FR (1) | FR2134581B1 (en) |
| GB (1) | GB1391501A (en) |
| IL (1) | IL39188A (en) |
| IT (1) | IT968393B (en) |
| LU (1) | LU65247A1 (en) |
| NL (1) | NL172570B (en) |
| SE (1) | SE382081B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL39187A (en) * | 1971-04-28 | 1976-02-29 | Du Pont | Polyamide fibers and films and their 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 |
| 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 |
| KR860001141B1 (en) * | 1984-06-29 | 1986-08-16 | 한국과학기술원 | Method for producing polymeric hybrid fibers composed of wholly aromatic polyamides and aromatic-aliphatic ordered copolyamides |
| JP3676111B2 (en) | 1998-06-03 | 2005-07-27 | 帝人テクノプロダクツ株式会社 | Aromatic polyamide fiber and paper using the same |
| DE69908530T2 (en) * | 1998-10-15 | 2004-05-06 | Teijin Ltd. | Synthetic paper made from fully aromatic polyamide fibers |
| JP3475234B2 (en) * | 1998-10-15 | 2003-12-08 | 帝人テクノプロダクツ株式会社 | Aromatic polyamide fiber paper |
| US20130157054A1 (en) * | 2011-12-20 | 2013-06-20 | E.I. Du Pont De Nemours And Company | High linear density, high modulus, high tenacity yarns and methods for making the yarns |
Family Cites Families (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US138210A (en) * | 1873-04-22 | Improvement in hay and cotton presses | ||
| US2318704A (en) * | 1940-04-02 | 1943-05-11 | Celanese Corp | Production of artificial filaments, foils, and like shaped articles |
| GB796544A (en) * | 1954-10-13 | 1958-06-11 | British Celanese | Improvements in the manufacture of artificial filaments and like products |
| US3063966A (en) * | 1958-02-05 | 1962-11-13 | Du Pont | Process of making wholly aromatic polyamides |
| NL108880C (en) * | 1957-02-28 | |||
| GB877855A (en) * | 1958-07-22 | 1961-09-20 | Wilcolator Co | Improvements in gas oven control |
| US3094511A (en) * | 1958-11-17 | 1963-06-18 | Du Pont | Wholly aromatic polyamides |
| GB877885A (en) * | 1958-12-19 | 1961-09-20 | Du Pont | Improvements relating to the treatment of aromatic polyamide structures |
| FR1242289A (en) * | 1958-12-19 | 1960-09-23 | Du Pont | Synthetic fiber crystallization process |
| NL132625C (en) * | 1960-05-31 | |||
| US3079219A (en) * | 1960-12-06 | 1963-02-26 | Du Pont | Process for wet spinning aromatic polyamides |
| US3154610A (en) * | 1961-05-31 | 1964-10-27 | Celanese Corp | Process of wet spinning polyamides and prevention of gel formation |
| NL297736A (en) * | 1962-09-11 | |||
| US3354125A (en) * | 1963-07-29 | 1967-11-21 | Monsanto Co | Polymers from diaminobenzanilides |
| US3414645A (en) * | 1964-06-19 | 1968-12-03 | Monsanto Co | Process for spinning wholly aromatic polyamide fibers |
| DE1910426U (en) | 1964-10-20 | 1965-02-18 | Wills K G Laurinwerk | WRITING DEVICE. |
| CH467362A (en) * | 1965-02-05 | 1969-02-28 | Nippon Rayon Kk | Process for improving the properties of polyamide yarns |
| CA928440A (en) * | 1967-12-27 | 1973-06-12 | I. Bair Thomas | Fibres of aromatic para-oriented polyterephthalamides |
| IT947029B (en) * | 1968-03-15 | 1973-05-21 | Kyowa Hakko Kogyo Kk | PROCEDURE FOR PREPARING THE L ISOLEUCINE BY STOPPING |
| JPS5012006B1 (en) * | 1968-06-12 | 1975-05-08 | ||
| US3600269A (en) * | 1968-07-29 | 1971-08-17 | Monsanto Co | Novel fiber reinforced matrix composites |
| IL39187A (en) * | 1971-04-28 | 1976-02-29 | Du Pont | Polyamide fibers and films and their preparation |
| US3869430A (en) * | 1971-08-17 | 1975-03-04 | Du Pont | High modulus, high tenacity poly(p-phenylene terephthalamide) fiber |
| US3796693A (en) * | 1971-08-23 | 1974-03-12 | H Morgan | High modulus aromatic poly(amide hydrazide) fibers |
| US3723380A (en) * | 1972-02-04 | 1973-03-27 | Monsanto Co | Aromatic amide-hydrazide copolymer |
| US3767756A (en) * | 1972-06-30 | 1973-10-23 | Du Pont | Dry jet wet spinning process |
| NL7904496A (en) * | 1979-06-08 | 1980-12-10 | Akzo Nv | FIBER, WIRE BUNDLE AND ROPE OF POLY-P-PHENYLENE GRADE-LANGUAGE AMIDE. |
-
1972
- 1972-04-11 IL IL39188A patent/IL39188A/en unknown
- 1972-04-21 DE DE2266038A patent/DE2266038C3/en not_active Expired
- 1972-04-21 DE DE2219646A patent/DE2219646C3/en not_active Expired
- 1972-04-21 AR AR241600A patent/AR198167A1/en active
- 1972-04-26 ES ES402142A patent/ES402142A1/en not_active Expired
- 1972-04-26 AU AU41536/72A patent/AU463869B2/en not_active Expired
- 1972-04-26 LU LU65247D patent/LU65247A1/xx unknown
- 1972-04-27 CA CA140,784A patent/CA1013525A/en not_active Expired
- 1972-04-27 JP JP4180372A patent/JPS5514167B1/ja active Pending
- 1972-04-27 FR FR7215013A patent/FR2134581B1/fr not_active Expired
- 1972-04-27 SE SE7205571A patent/SE382081B/en unknown
- 1972-04-27 GB GB1957572A patent/GB1391501A/en not_active Expired
- 1972-04-28 BE BE782796A patent/BE782796A/en not_active IP Right Cessation
- 1972-04-28 CH CH639272A patent/CH531056A/en not_active IP Right Cessation
- 1972-04-28 IT IT23691/72A patent/IT968393B/en active
- 1972-04-28 NL NLAANVRAGE7205837,A patent/NL172570B/en active IP Right Review Request
Also Published As
| Publication number | Publication date |
|---|---|
| FR2134581A1 (en) | 1972-12-08 |
| DE2219646A1 (en) | 1972-11-09 |
| AU463869B2 (en) | 1975-08-07 |
| DE2266038C3 (en) | 1989-07-20 |
| DE2219646C3 (en) | 1988-11-10 |
| JPS5514167B1 (en) | 1980-04-14 |
| NL7205837A (en) | 1972-10-31 |
| NL172570B (en) | 1983-04-18 |
| AU4153672A (en) | 1973-11-01 |
| IL39188A0 (en) | 1972-06-28 |
| DE2219646B2 (en) | 1980-01-03 |
| CA1013525A (en) | 1977-07-12 |
| BE782796A (en) | 1972-08-16 |
| AR198167A1 (en) | 1974-06-07 |
| ES402142A1 (en) | 1975-11-16 |
| GB1391501A (en) | 1975-04-23 |
| FR2134581B1 (en) | 1978-06-02 |
| LU65247A1 (en) | 1972-07-14 |
| CH531056A (en) | 1972-11-30 |
| IT968393B (en) | 1974-03-20 |
| SE382081B (en) | 1976-01-12 |
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