DK200101392A - Polypropylene fiber and its manufacture - Google Patents
Polypropylene fiber and its manufacture Download PDFInfo
- Publication number
- DK200101392A DK200101392A DK200101392A DKPA200101392A DK200101392A DK 200101392 A DK200101392 A DK 200101392A DK 200101392 A DK200101392 A DK 200101392A DK PA200101392 A DKPA200101392 A DK PA200101392A DK 200101392 A DK200101392 A DK 200101392A
- Authority
- DK
- Denmark
- Prior art keywords
- polypropylene fiber
- fiber
- manufacture
- polypropylene
- index
- Prior art date
Links
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
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
- D01F6/06—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Nonwoven Fabrics (AREA)
Description
PATENTKRAV 1. Polypropylenfibre, som tilvejebringes fra en isotaktisk polypropylenhomopolymer med et isotaktisk indeks på 90 til 99% ved smeltespinding eller ved trækning efter smeltespinding, og som udviser to differentielskanningskalorimeter (DSC) endotermiske toppe mellem 155 og 170°C. 2. Polypropylenfiberen ifølge krav 1, hvori de to differentielskanningskalorimetre (DSC) endotermiske toppe er sammensat af en primær endotermisk top, der forekommer ved 160 + 3°C og en sekundær endotermisk top, der forekommer ved 165 + 3°C. 3. Polypropylenfiberen ifølge krav 1, hvori fiberen har et smelteindeks (MIC) på 16,5-80,0. 4. Polypropylenfiberen ifølge krav 1, hvori fiberen har et polydispersitetsindeks (PIC) på 2,1-5,7. 5. Polypropylenfiberen ifølge krav 1, hvori fiberen har en finhed på 1,0-80,0 denier pr. filament. 6. Polypropylenfiberen ifølge krav 4, hvori fiberen har PIC værdien på 2,3-4,5. 7. Polypropylenfiberen ifølge krav 1 yderligere omfattende en stabilisator og/eller en antioxidant i en mængde på 0,03 til 2,0 vægt%. 8. Polypropylenfiberen ifølge krav 7, hvori stabilisatoren og/eller antioxidanten indeholdes i en mængde på 0,03 til 0,7 vægt%. 9. Polypropylenf iberen ifølge krav 8, hvori stabilisatoren og/eller antioxidanten indeholdes i en mængde på 0,03 til 0,4 vægt%. 10. Fremgangsmåde til fremstilling af polypropylenf ibre omfattende trinnene: (a) smeltning af et isotaktisk polypropylenhomopolymer med et isotaktisk indeks på 90-99%, et smelteindeks (MIa) på 10,0-40,0 og et polydispersitetsindeks (PIa) på 2,5-6,0 for at give en smeltet polymer, som har et smelteindeks (MIb) med forholdet af MIb/MIa liggende i intervallet fra 1,01 til 1,50 og et polydispersitetsindeks (PIb) snævrere med 10% eller mindre end PIa værdien; (b) spinding af den smeltede polymer for at frembringe fibre med et smelteindeks (MIC) på 16,5-80,0 og et polydispersitetsindeks (PIC) , som er snævrere med 20% eller mindre end PIa værdien, hvor forholdet af MIc/MIa ligger i intervallet fra 1,65 til 7,50; og (c) eventuelt trækning af fibrene. 11. Fremgangsmåde ifølge krav 10, hvori polypropy-lenhomopolymeren indeholder en stabilisator og/eller en antioxidant i en mængde på 0,03-2,0 vægt% i trin (a). 12. Fremgangsmåde ifølge krav 10, hvori MIa ligger i intervallet fra 10 til 30. 13. Fremgangsmåde ifølge krav 10, hvori PIa ligger i intervallet fra 2,8 til 5,0. 14. Fremgangsmåde ifølge krav 13, hvori PIa ligger i intervallet fra 3,5 til 4,3. 15. Fremgangsmåde ifølge krav 10, hvori fibrene ligger i intervallet for finhed fra 1,0 til 80,0 denier pr. filament. 16. Fremgangsmåde ifølge krav 10, hvori MIb ligger i intervallet fra 10,1 til 41,0. 17. Fremgangsmåde ifølge krav 10, hvori fiberen har PIC værdien på 2,1 til 5,7. 18. Fremgangsmåde ifølge krav 17, hvori fiberen har PIC værdien på 2,3 til 4,5.PATENT REQUIREMENTS 1. Polypropylene fibers obtained from an isotactic polypropylene homopolymer with an isotactic index of 90 to 99% by melt spinning or by melt spinning and exhibiting two differential scanning calorimeter (DSC) endothermic peaks between 155 and 170 ° C. The polypropylene fiber of claim 1, wherein the two differential scanning calorimeters (DSC) endothermic peaks are composed of a primary endothermic peak occurring at 160 + 3 ° C and a secondary endothermic peak occurring at 165 + 3 ° C. The polypropylene fiber of claim 1, wherein the fiber has a melt index (MIC) of 16.5-80.0. The polypropylene fiber of claim 1, wherein the fiber has a polydispersity index (PIC) of 2.1-5.7. The polypropylene fiber of claim 1, wherein the fiber has a fineness of 1.0-80.0 denier per minute. filament. The polypropylene fiber of claim 4, wherein the fiber has the PIC value of 2.3-4.5. The polypropylene fiber of claim 1 further comprising a stabilizer and / or an antioxidant in an amount of 0.03 to 2.0% by weight. The polypropylene fiber of claim 7, wherein the stabilizer and / or antioxidant is contained in an amount of 0.03 to 0.7% by weight. The polypropylene fiber of claim 8, wherein the stabilizer and / or antioxidant is contained in an amount of 0.03 to 0.4% by weight. A process for preparing polypropylene fiber comprising the steps of: (a) melting an isotactic polypropylene homopolymer with an isotactic index of 90-99%, a melt index (MIa) of 10.0-40.0 and a polydispersity index (PIa) of 2 , 5-6.0 to give a molten polymer having a melt index (MIb) with the ratio of MIb / MIa ranging from 1.01 to 1.50 and a polydispersity index (PIb) narrower by 10% or less than The PIa value; (b) spinning the molten polymer to produce fibers having a melt index (MIC) of 16.5-80.0 and a polydispersity index (PIC) which is narrower by 20% or less than the PIa value, wherein the ratio of MIc / The MIa ranges from 1.65 to 7.50; and (c) optionally pulling the fibers. The method of claim 10, wherein the polypropylene homopolymer contains a stabilizer and / or an antioxidant in an amount of 0.03-2.0% by weight in step (a). The method of claim 10, wherein the MIa is in the range of 10 to 30. The method of claim 10, wherein the P1a is in the range of 2.8 to 5.0. The method of claim 13, wherein the PIa is in the range of 3.5 to 4.3. The method of claim 10, wherein the fibers are in the range of fineness from 1.0 to 80.0 denier per minute. filament. The method of claim 10, wherein the MIb is in the range of 10.1 to 41.0. The method of claim 10, wherein the fiber has the PIC value of 2.1 to 5.7. The method of claim 17, wherein the fiber has the PIC value of 2.3 to 4.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK200501079A DK176141B1 (en) | 1999-11-10 | 2005-07-21 | Polypropylene fiber used as raw material for non-woven fabric production, is formed by melt spinning and drawing isotactic polypropylene homopolymer and has two endothermic peaks at specific temperature |
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR19990049610 | 1999-11-10 | ||
| KR10-1999-0049610A KR100401246B1 (en) | 1999-11-10 | 1999-11-10 | Preparation of polyolefin fiber |
| KR10-2000-0013319A KR100401248B1 (en) | 2000-03-16 | 2000-03-16 | Polypropylene fiber and preparation thereof |
| KR20000013319 | 2000-03-16 | ||
| PCT/KR2000/001270 WO2001034884A2 (en) | 1999-11-10 | 2000-11-07 | Polypropylene fiber and preparation thereof |
| KR0001270 | 2000-11-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK200101392A true DK200101392A (en) | 2001-09-25 |
| DK175963B1 DK175963B1 (en) | 2005-09-19 |
Family
ID=26636302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK200101392A DK175963B1 (en) | 1999-11-10 | 2001-09-25 | polypropylene fiber |
Country Status (13)
| Country | Link |
|---|---|
| EP (1) | EP1234065B1 (en) |
| CN (1) | CN1174129C (en) |
| AU (1) | AU768809B2 (en) |
| BR (1) | BR0010462B1 (en) |
| CA (1) | CA2372453C (en) |
| DE (1) | DE10084374B4 (en) |
| DK (1) | DK175963B1 (en) |
| ES (1) | ES2237983B1 (en) |
| GB (1) | GB2365438B (en) |
| LU (1) | LU90849B1 (en) |
| MX (1) | MXPA02001814A (en) |
| MY (1) | MY120636A (en) |
| WO (1) | WO2001034884A2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389040B (en) * | 2014-10-28 | 2016-03-09 | 湖北博韬合纤有限公司 | The polypropylene dedicated staple fibre processing technology of light GMT plate |
| KR102251754B1 (en) * | 2019-12-24 | 2021-05-12 | 도레이첨단소재 주식회사 | Non-woven fabric with enhanced mechanical strength |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6910137A (en) * | 1968-07-04 | 1970-01-06 | ||
| JPS509810A (en) * | 1973-06-04 | 1975-01-31 | ||
| JP3070694B2 (en) * | 1991-06-11 | 2000-07-31 | 三井化学株式会社 | Ultra-high molecular weight stretched polypropylene article and method for producing the same |
| JP2948948B2 (en) * | 1991-07-08 | 1999-09-13 | 宇部日東化成 株式会社 | Thermal adhesive fiber |
| TW275076B (en) * | 1992-12-02 | 1996-05-01 | Hoechst Ag | |
| US5529845A (en) * | 1994-06-13 | 1996-06-25 | Montell North America Inc. | Fibers suitable for the production of nonwoven fabrics having improved strength and softness characteristics |
| JP3554433B2 (en) * | 1996-04-10 | 2004-08-18 | 特種製紙株式会社 | Recording sheet for wet electrophotography |
| JPH10195714A (en) * | 1996-12-27 | 1998-07-28 | Mitsui Chem Inc | Fiber made of polypropylene |
| US6416699B1 (en) * | 1999-06-09 | 2002-07-09 | Fina Technology, Inc. | Reduced shrinkage in metallocene isotactic polypropylene fibers |
-
2000
- 2000-10-18 MY MYPI20004879A patent/MY120636A/en unknown
- 2000-11-07 WO PCT/KR2000/001270 patent/WO2001034884A2/en active IP Right Grant
- 2000-11-07 DE DE10084374T patent/DE10084374B4/en not_active Expired - Fee Related
- 2000-11-07 EP EP00973247A patent/EP1234065B1/en not_active Expired - Lifetime
- 2000-11-07 CA CA002372453A patent/CA2372453C/en not_active Expired - Fee Related
- 2000-11-07 ES ES200250025A patent/ES2237983B1/en not_active Expired - Fee Related
- 2000-11-07 BR BRPI0010462-0A patent/BR0010462B1/en not_active IP Right Cessation
- 2000-11-07 AU AU11778/01A patent/AU768809B2/en not_active Ceased
- 2000-11-07 CN CNB008024685A patent/CN1174129C/en not_active Expired - Lifetime
- 2000-11-07 MX MXPA02001814A patent/MXPA02001814A/en active IP Right Grant
- 2000-11-07 GB GB0121728A patent/GB2365438B/en not_active Expired - Fee Related
-
2001
- 2001-09-25 DK DK200101392A patent/DK175963B1/en not_active IP Right Cessation
- 2001-10-10 LU LU90849A patent/LU90849B1/en active
Also Published As
| Publication number | Publication date |
|---|---|
| EP1234065B1 (en) | 2006-03-22 |
| GB2365438B (en) | 2003-07-16 |
| AU1177801A (en) | 2001-06-06 |
| DE10084374B4 (en) | 2006-04-06 |
| ES2237983B1 (en) | 2006-11-01 |
| BR0010462B1 (en) | 2011-03-22 |
| CA2372453A1 (en) | 2001-05-17 |
| MXPA02001814A (en) | 2002-09-24 |
| MY120636A (en) | 2005-11-30 |
| GB2365438A (en) | 2002-02-20 |
| EP1234065A2 (en) | 2002-08-28 |
| CA2372453C (en) | 2004-06-08 |
| ES2237983A1 (en) | 2005-08-01 |
| GB0121728D0 (en) | 2001-10-31 |
| CN1335901A (en) | 2002-02-13 |
| WO2001034884A3 (en) | 2001-10-18 |
| EP1234065A4 (en) | 2005-06-15 |
| BR0010462A (en) | 2003-07-08 |
| CN1174129C (en) | 2004-11-03 |
| DK175963B1 (en) | 2005-09-19 |
| LU90849B1 (en) | 2002-01-24 |
| DE10084374T1 (en) | 2002-11-07 |
| AU768809B2 (en) | 2004-01-08 |
| WO2001034884A2 (en) | 2001-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2009011346A1 (en) | Heat-bondable composite fiber, process for producing the same, and fibrous mass | |
| AU665969B2 (en) | Thermally bondable fiber for high strength non-woven fabrics | |
| ATE225418T1 (en) | LYOCELL FIBERS AND METHOD FOR THE PRODUCTION THEREOF | |
| DK2867295T3 (en) | PROPYLENE HOMOPOLYMES FOR FIBER AND NON-WOVEN HIGH TENACITY MATERIALS | |
| DE69919834D1 (en) | POLYPROPYLENE COMPOSITION FOR PRODUCING SOLID-ORIENTED FILM | |
| DE59308665D1 (en) | Use of a polyolefin molding compound for the production of fibers, filaments and nonwovens by means of the melt spinning process | |
| CA2334015C (en) | High-strength polyethylene fibres and process for producing the same | |
| KR20160034245A (en) | Method for producing drawn conjugated fiber, and drawn conjugated fiber | |
| JP5725426B2 (en) | Polyphenylene sulfide composite fiber and non-woven fabric | |
| FI922464A0 (en) | Melt-spun strong polyethylene fiber | |
| Liu et al. | Gel spinning of polyacrylonitrile fibers with medium molecular weight | |
| DK200101392A (en) | Polypropylene fiber and its manufacture | |
| HK1053676A1 (en) | Method for producing synthetic fibres from a fibre-forming polymer-based melt blend | |
| CA2465289A1 (en) | Process for fabricating polypropylene sheet | |
| US9556539B2 (en) | Shrinkable fiber for porous molded body | |
| DK200501079A (en) | Process for producing polypropylene fibers | |
| KR20030052313A (en) | Hollow, side by side type polyethylene/polypropylene conjugated fiber with high stretchability and lightweight and method for producing non-woven fabrics by use of it | |
| KR900007087B1 (en) | Nylon 46 fiber and that's method of manufacture | |
| JP2003221731A (en) | Staple fiber of polyphenylene sulfide | |
| JPH0357965B2 (en) | ||
| TH50301A (en) | Polypropylene fiber And preparation of this fiber | |
| TH27756B (en) | Polypropylene fiber And preparation of this fiber | |
| JPS5545834A (en) | Production of polyvinylidene fluoride fiber | |
| JP3547780B2 (en) | High strength, high modulus polypropylene fiber | |
| JPH1136137A (en) | Modified polyester fiber and its production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |
Effective date: 20181107 |