DE1435632B2 - Verfahren zum entspannungsspinnen von fibrilliertem, plexusfadenartigem material - Google Patents
Verfahren zum entspannungsspinnen von fibrilliertem, plexusfadenartigem materialInfo
- Publication number
- DE1435632B2 DE1435632B2 DE1963P0033049 DEP0033049A DE1435632B2 DE 1435632 B2 DE1435632 B2 DE 1435632B2 DE 1963P0033049 DE1963P0033049 DE 1963P0033049 DE P0033049 A DEP0033049 A DE P0033049A DE 1435632 B2 DE1435632 B2 DE 1435632B2
- Authority
- DE
- Germany
- Prior art keywords
- pressure
- polymer
- solution
- solvent
- zone
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 21
- 238000009987 spinning Methods 0.000 title claims description 14
- 239000000463 material Substances 0.000 title claims description 10
- 230000008569 process Effects 0.000 title description 3
- 239000002904 solvent Substances 0.000 claims description 57
- 229920000642 polymer Polymers 0.000 claims description 39
- 230000009467 reduction Effects 0.000 claims description 30
- 239000007791 liquid phase Substances 0.000 claims description 18
- -1 Polyethylene Polymers 0.000 claims description 17
- 239000004698 Polyethylene Substances 0.000 claims description 17
- 229920000573 polyethylene Polymers 0.000 claims description 17
- 239000002002 slurry Substances 0.000 claims description 16
- 238000009835 boiling Methods 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 229920000620 organic polymer Polymers 0.000 claims 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 239000000243 solution Substances 0.000 description 59
- 239000000155 melt Substances 0.000 description 8
- 239000012071 phase Substances 0.000 description 8
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 8
- 229940029284 trichlorofluoromethane Drugs 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 206010061592 cardiac fibrillation Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002600 fibrillogenic effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/11—Flash-spinning
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/06—Feeding liquid to the spinning head
- D01D1/09—Control of pressure, temperature or feeding rate
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/04—Dry spinning methods
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/47—Processes of splitting film, webs or sheets
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23967462A | 1962-11-23 | 1962-11-23 | |
| US308845A US3227794A (en) | 1962-11-23 | 1963-09-13 | Process and apparatus for flash spinning of fibrillated plexifilamentary material |
| GB40476/65A GB1061337A (en) | 1962-11-23 | 1965-09-22 | Fibrillated plexifilamentary material |
| CH1308865A CH450618A (fr) | 1962-11-23 | 1965-09-22 | Procédé et appareil pour le filage continu, par évaporation instantanée, d'une matière fibrillée |
| FR32623A FR1472989A (fr) | 1962-11-23 | 1965-09-24 | Procédé et appareil pour dissoudre un polymère et filer des faisceaux fibrillés |
| BE670104A BE670104A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1962-11-23 | 1965-09-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1435632A1 DE1435632A1 (de) | 1969-02-13 |
| DE1435632B2 true DE1435632B2 (de) | 1976-12-23 |
Family
ID=27543063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1963P0033049 Granted DE1435632B2 (de) | 1962-11-23 | 1963-11-23 | Verfahren zum entspannungsspinnen von fibrilliertem, plexusfadenartigem material |
Country Status (7)
Families Citing this family (97)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3549470A (en) * | 1967-01-03 | 1970-12-22 | Celanese Corp | Fibrillated yarn carpet backing |
| US3467744A (en) * | 1968-10-15 | 1969-09-16 | Du Pont | Process for flash spinning polypropylene plexifilament |
| US3655498A (en) * | 1970-09-11 | 1972-04-11 | Du Pont | Plexifilamentary structures prepared from non-crystalline synthetic organic polymers |
| BE787033A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1971-08-06 | 1973-02-01 | Solvay | |
| US4025593A (en) * | 1971-08-06 | 1977-05-24 | Solvay & Cie | Fabrication of discontinuous fibrils |
| US3874965A (en) * | 1972-05-01 | 1975-04-01 | Celanese Corp | Fibrillated yarn carpet backing |
| US3756441A (en) * | 1972-08-14 | 1973-09-04 | Du Pont | Flash spinning process |
| US4054625A (en) * | 1972-08-30 | 1977-10-18 | Crown Zellerbach Corporation | Process for making fibers |
| GB1450892A (en) * | 1972-09-26 | 1976-09-29 | Ici Ltd | Production of fibrils |
| NL7305415A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-04-18 | 1974-10-22 | ||
| IT995549B (it) * | 1973-10-02 | 1975-11-20 | Anic Spa | Procedimento per la produzione di strutture fibrose |
| DE2363672C3 (de) * | 1973-12-21 | 1982-08-05 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von Kurzfasern aus Niederdruckpolyäthylen und deren Verwendung |
| US4081226A (en) * | 1974-01-18 | 1978-03-28 | Solvay & Cie. | Process for the manufacture of short fibrils and devices for carrying it out |
| LU69196A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-01-18 | 1975-12-09 | ||
| DE2623844A1 (de) * | 1976-05-28 | 1977-12-08 | Hoechst Ag | Zigarettenfilter |
| AU517825B2 (en) * | 1977-04-12 | 1981-08-27 | Union Carbide Corporation | Gear pump |
| US4183881A (en) * | 1977-07-20 | 1980-01-15 | Imperial Chemical Industries Limited | Flash fibrillation process |
| US5032338A (en) * | 1985-08-19 | 1991-07-16 | Allied-Signal Inc. | Method to prepare high strength ultrahigh molecular weight polyolefin articles by dissolving particles and shaping the solution |
| JPS6350512A (ja) * | 1986-04-22 | 1988-03-03 | Asahi Chem Ind Co Ltd | フラツシユ紡糸網状繊維の製造方法 |
| KR910005573B1 (ko) * | 1986-10-13 | 1991-07-31 | 아사히 가세이 고오교 가부시끼가이샤 | 고밀도 폴리에틸렌 망상섬유, 이 섬유로 구성된 부직포 및 이들의 제조방법 |
| EP0361684B1 (en) * | 1988-08-30 | 1993-10-13 | E.I. Du Pont De Nemours And Company | Halocarbons for flash-spinning polymeric plexifilaments |
| US5043109A (en) * | 1988-08-30 | 1991-08-27 | E. I. Du Pont De Nemours And Company | Process for flash-spinning dry polymeric plexifilamentary film-fibril strands |
| US5202376A (en) * | 1988-08-30 | 1993-04-13 | E. I. Du Pont De Nemours And Company | Solutions for flash-spinning dry polymeric plexifilamentary film-fibril strands |
| EP0357364B1 (en) * | 1988-08-30 | 1993-07-28 | E.I. Du Pont De Nemours And Company | A process for flash-spinning dry polymeric plexifilamentary film-fibril strands |
| US5081177A (en) * | 1988-08-30 | 1992-01-14 | E. I. Du Pont De Nemours And Company | Halocarbons for flash-spinning polymeric plexifilaments |
| US5023025A (en) * | 1989-07-18 | 1991-06-11 | E. I. Du Pont De Nemours And Company | Halocarbons for flash-spinning polymeric plexifilaments |
| US5032326A (en) * | 1988-08-31 | 1991-07-16 | E. I. Du Pont De Nemours And Company | Flash-spinning of polymeric plexifilaments |
| WO1990015173A1 (en) * | 1989-06-01 | 1990-12-13 | E.I. Du Pont De Nemours And Company | Control of flash spinning cell atmosphere temperature |
| US5122412A (en) * | 1989-07-10 | 1992-06-16 | E. I. Du Pont De Nemours And Company | Polyethylene plexifilamentary film-fibril sheet |
| US5057351A (en) * | 1989-07-10 | 1991-10-15 | E. I. Du Pont De Nemours And Company | Metallized polyethylene plexifilamentary film-fibril sheet |
| US5085817A (en) * | 1989-07-10 | 1992-02-04 | E. I. Du Pont De Nemours And Company | Process for preparing a metallized polyethylene plexfilamentary film-fibril sheet |
| TW204377B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1989-07-12 | 1993-04-21 | Asahi Chemical Ind | |
| US5043108A (en) * | 1989-08-22 | 1991-08-27 | E. I. Du Pont De Nemours And Company | Process for preparing polyethylene plexifilamentary film-fibril strands |
| CA2029550C (en) * | 1989-11-22 | 2001-07-31 | Don Mayo Coates | Process for flash spinning polyolefins |
| EP0517693B1 (en) * | 1990-02-26 | 1997-05-02 | E.I. Du Pont De Nemours And Company | Halocarbons for flash-spinning polyethylene plexifilaments |
| US5039460A (en) * | 1990-02-26 | 1991-08-13 | E. I. Du Pont De Nemours And Company | Mixed halocarbon for flash-spinning polyethylene plexifilaments |
| US5116549A (en) * | 1991-01-02 | 1992-05-26 | E. I. Du Pont De Nemours And Company | Solution flow splitting for improved sheet uniformity |
| US5147586A (en) | 1991-02-22 | 1992-09-15 | E. I. Du Pont De Nemours And Company | Flash-spinning polymeric plexifilaments |
| US5286422A (en) * | 1991-08-03 | 1994-02-15 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for producing three-dimensional fiber using a halogen group solvent |
| US5279776A (en) * | 1991-09-17 | 1994-01-18 | E. I. Du Pont De Nemours And Company | Method for making strong discrete fibers |
| US5250237A (en) * | 1992-05-11 | 1993-10-05 | E. I. Du Pont De Nemours And Company | Alcohol-based spin liquids for flash-spinning polymeric plexifilaments |
| US5786284A (en) * | 1993-04-08 | 1998-07-28 | Unitika, Ltd. | Filament having plexifilamentary structure, nonwoven fabric comprising said filament and their production |
| US5547624A (en) * | 1994-08-09 | 1996-08-20 | E. I. Du Pont De Nemours And Company | Process of making and collecting continuous fibers in the form of a rod-shaped batt |
| US5529734A (en) * | 1994-08-09 | 1996-06-25 | E. I. Du Pont De Nemours And Company | Process for making and collecting continuous fibers in the form of a rod-shaped batt |
| US5603885A (en) * | 1995-07-06 | 1997-02-18 | E. I. Du Pont De Nemours And Company | Process for the preparation of nonwoven fibrous sheets |
| US5833900A (en) * | 1995-07-28 | 1998-11-10 | E. I. Du Pont De Nemours And Company | Process for modifying porosity in sheet made from flash spinning olefin polymer |
| US5863639A (en) * | 1995-09-13 | 1999-01-26 | E. I. Du Pont De Nemours And Company | Nonwoven sheet products made from plexifilamentary film fibril webs |
| US5816700A (en) * | 1995-10-26 | 1998-10-06 | E. I. Du Pont De Nemours And Company | Process and apparatus for mechanically mixing polymers and lower viscosity fluids |
| KR19990077169A (ko) * | 1996-01-11 | 1999-10-25 | 미리암 디. 메코너헤이 | 혼성 중합체의 플렉시 필라멘트 스트랜드 |
| US6096421A (en) * | 1996-01-11 | 2000-08-01 | E. I. Du Pont De Nemours And Company | Plexifilamentary strand of blended polymers |
| US5707580A (en) * | 1996-05-01 | 1998-01-13 | E. I. Du Pont De Nemours And Company | Flash-spinning process |
| US5788993A (en) * | 1996-06-27 | 1998-08-04 | E. I. Du Pont De Nemours And Company | Spinneret with slotted outlet |
| US6034008A (en) * | 1996-08-19 | 2000-03-07 | E. I. Du Pont De Nemours And Company | Flash-spun sheet material |
| US5851936A (en) * | 1996-08-19 | 1998-12-22 | E. I. Du Pont De Nemours And Company | Elongation for flash spun products |
| US6179458B1 (en) | 1996-11-01 | 2001-01-30 | E. I. Du Pont De Nemours And Company | Forming a solution of fluids having low miscibility and large-scale differences in viscosity |
| US5971731A (en) * | 1996-11-01 | 1999-10-26 | E. I. Du Pont De Nemours And Company | Nose cone for small spin head in flash spinning system |
| CA2274633A1 (en) | 1997-01-09 | 1998-07-16 | Hyunkook Shin | Fibers flash-spun from fully halogenated polymers |
| KR20000075962A (ko) * | 1997-03-05 | 2000-12-26 | 메리 이. 보울러 | 개량 플래쉬-방사 시트 재료 |
| US6117801A (en) * | 1997-03-27 | 2000-09-12 | E. I. Du Pont De Nemours And Company | Properties for flash-spun products |
| US6458304B1 (en) * | 2000-03-22 | 2002-10-01 | E. I. Du Pont De Nemours And Company | Flash spinning process and solutions of polyester |
| US6524847B2 (en) | 2000-06-23 | 2003-02-25 | E. I. Du Pont De Nemours And Company | Composting system |
| US7338916B2 (en) | 2004-03-31 | 2008-03-04 | E.I. Du Pont De Nemours And Company | Flash spun sheet material having improved breathability |
| US20060135020A1 (en) * | 2004-12-17 | 2006-06-22 | Weinberg Mark G | Flash spun web containing sub-micron filaments and process for forming same |
| US20080070021A1 (en) * | 2005-03-23 | 2008-03-20 | E. I. Du Pont De Nemours And Company | Flash spun sheet material having improved breathability |
| US7660040B2 (en) * | 2005-05-17 | 2010-02-09 | E. I. Du Pont De Nemours And Company | Diffuse reflective article |
| KR100701552B1 (ko) * | 2006-06-23 | 2007-03-30 | 한국과학기술연구원 | 압축기체를 이용한 필라멘트 및 시트 형태의 생분해성폴리에스테르 고분자 소재의 제조방법 |
| WO2008042169A1 (en) * | 2006-09-29 | 2008-04-10 | E. I. Du Pont De Nemours And Company | Diffuse reflector comprising nonwoven sheet |
| WO2009059113A1 (en) * | 2007-10-31 | 2009-05-07 | E. I. Du Pont De Nemours And Company | Vibration absorber |
| US20090173569A1 (en) * | 2007-12-20 | 2009-07-09 | E. I. Du Pont De Nemours And Company | Acoustic absorber with barrier facing |
| US20090173570A1 (en) * | 2007-12-20 | 2009-07-09 | Levit Natalia V | Acoustically absorbent ceiling tile having barrier facing with diffuse reflectance |
| US8361611B2 (en) | 2009-03-20 | 2013-01-29 | Whiteoptics Llc | Diffusively light reflective paint composition, method for making paint composition, and diffusively light reflective articles |
| CN101845679A (zh) * | 2010-05-24 | 2010-09-29 | 天津工业大学 | 一种导电纤维的制备方法 |
| CN103182819B (zh) | 2011-12-31 | 2015-11-25 | 杜邦公司 | 包含非织造片材的漫反射层合物 |
| US20130183510A1 (en) | 2012-01-12 | 2013-07-18 | E I Du Pont De Nemours And Company | Diffuse reflector |
| WO2014100527A2 (en) | 2012-12-21 | 2014-06-26 | E. I. Du Pont De Nemours And Company | Thermally stable porous medium |
| BR112016006780B1 (pt) * | 2013-10-29 | 2021-02-17 | Braskem S.A. | dispositivo, sistema e método de extração de solvente de pelo menos um fio polimérico |
| US10920028B2 (en) | 2014-06-18 | 2021-02-16 | Dupont Safety & Construction, Inc. | Plexifilamentary sheets |
| US10337123B2 (en) | 2014-06-18 | 2019-07-02 | E I Du Pont De Nemours And Company | Flash spun plexifilamentary strands and sheets |
| US10329692B2 (en) | 2015-07-10 | 2019-06-25 | E I Du Pont De Nemours And Company | Flash spun plexifilamentary strands and sheets |
| US9809004B2 (en) | 2014-07-18 | 2017-11-07 | E I Du Pont De Nemours And Company | Breathable protective apparel |
| US11261543B2 (en) | 2015-06-11 | 2022-03-01 | Dupont Safety & Construction, Inc. | Flash spinning process |
| WO2016204763A1 (en) | 2015-06-18 | 2016-12-22 | E. I. Du Pont De Nemours And Company | Flash spun plexifilamentary strands and sheets |
| CN106574401B (zh) | 2015-06-18 | 2019-10-11 | 纳幕尔杜邦公司 | 闪纺丛丝股线和片材 |
| KR102848557B1 (ko) | 2016-10-11 | 2025-08-22 | 이아이디피, 인크. | 엠보싱 인쇄 패턴의 결착 표면을 갖는 부직물을 포함하는 밀봉된 접촉 영역을 포함하는 패키지 |
| KR102247574B1 (ko) | 2018-11-30 | 2021-05-04 | 한국생산기술연구원 | 용융방사형 부직포의 제조방법 및 그로부터 제조된 극세섬유 부직포 웹 |
| CN111691060B (zh) * | 2020-06-10 | 2022-11-11 | 东华大学 | 基于瞬时释压纺丝法的高聚物纤维、其制备方法及应用 |
| WO2025006930A1 (en) | 2023-06-30 | 2025-01-02 | Dupont Safety & Construction, Inc. | Wind-tight flash-spun sheet |
| WO2025006914A1 (en) | 2023-06-30 | 2025-01-02 | Dupont Safety & Construction, Inc. | Breathable tear resistant flash-spun sheet |
| WO2025006942A1 (en) | 2023-06-30 | 2025-01-02 | Dupont Safety & Construction, Inc. | High barrier breathable flash-spun sheet |
| WO2025006920A1 (en) | 2023-06-30 | 2025-01-02 | Dupont Safety & Construction, Inc. | Softened flash-spun sheet |
| WO2025006924A1 (en) | 2023-06-30 | 2025-01-02 | Dupont Safety & Construction, Inc. | Breathable sheet with improved surface robustness |
| WO2025006952A1 (en) | 2023-06-30 | 2025-01-02 | Dupont Safety & Construction, Inc. | Soft, flash-spun sheet |
| WO2025144673A1 (en) | 2023-12-27 | 2025-07-03 | Dupont Safety & Construction, Inc. | Non-azeotropic compositions comprising dichloromethane and 1h,1h,2h-heptafluorocyclopentane and use of the compositions as flash spinning agents |
| WO2025144674A1 (en) | 2023-12-27 | 2025-07-03 | Dupont Safety & Construction, Inc. | Azeotropic and azeotrope-like compositions comprising dichloromethane and trans-1h,2h-octafluorocyclopentane and use of the compositions as flash spinning agents |
| WO2025144676A1 (en) | 2023-12-27 | 2025-07-03 | Dupont Safety & Construction, Inc. | Flash spinning process and flash spinning fluid |
| WO2025178740A1 (en) | 2024-02-19 | 2025-08-28 | Dupont Safety & Construction, Inc. | Azeotropic and azeotrope-like compositions comprising cyclopentane and 1h,1h,2h-heptafluorocyclopentane or 2-methylpentane and 1h,1h,2h-heptafluorocyclopentane and use of the compositions as flash spinning agents |
| WO2025178741A1 (en) | 2024-02-19 | 2025-08-28 | Dupont Safety & Construction, Inc. | Azeotropic and azeotrope-like compositions comprising 1,2-dichloroethylene and 1h,2h-octafluorocyclopentane and use of the compositions as flash spinning agents |
-
0
- NL NL300881D patent/NL300881A/xx unknown
-
1963
- 1963-09-13 US US308845A patent/US3227794A/en not_active Expired - Lifetime
- 1963-11-22 NL NL300881A patent/NL144338C/xx active
- 1963-11-23 DE DE1963P0033049 patent/DE1435632B2/de active Granted
-
1965
- 1965-09-22 GB GB40476/65A patent/GB1061337A/en not_active Expired
- 1965-09-22 CH CH1308865A patent/CH450618A/fr unknown
- 1965-09-24 FR FR32623A patent/FR1472989A/fr not_active Expired
- 1965-09-24 BE BE670104A patent/BE670104A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1435632A1 (de) | 1969-02-13 |
| GB1061337A (en) | 1967-03-08 |
| FR1472989A (fr) | 1967-03-17 |
| US3227794A (en) | 1966-01-04 |
| NL144338C (nl) | 1974-12-16 |
| CH450618A (fr) | 1968-01-31 |
| NL300881A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| BE670104A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-01-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| SH | Request for examination between 03.10.1968 and 22.04.1971 | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 |