WO2002059411A2 - Non-woven sheet of aramid floc - Google Patents
Non-woven sheet of aramid floc Download PDFInfo
- Publication number
- WO2002059411A2 WO2002059411A2 PCT/US2001/049574 US0149574W WO02059411A2 WO 2002059411 A2 WO2002059411 A2 WO 2002059411A2 US 0149574 W US0149574 W US 0149574W WO 02059411 A2 WO02059411 A2 WO 02059411A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- aramid
- floe
- aramid floe
- sheet
- wet
- Prior art date
Links
- 229920003235 aromatic polyamide Polymers 0.000 title claims abstract description 146
- 239000004760 aramid Substances 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 claims abstract description 42
- 230000008569 process Effects 0.000 claims abstract description 41
- 239000006185 dispersion Substances 0.000 claims description 20
- 238000003490 calendering Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 229920005989 resin Polymers 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 description 41
- 239000000835 fiber Substances 0.000 description 17
- 239000002131 composite material Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 13
- 229920000271 Kevlar® Polymers 0.000 description 9
- 239000004761 kevlar Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 8
- 229920006231 aramid fiber Polymers 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 229920001568 phenolic resin Polymers 0.000 description 3
- 239000005011 phenolic resin Substances 0.000 description 3
- 229920000889 poly(m-phenylene isophthalamide) Polymers 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- 229920000784 Nomex Polymers 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004763 nomex Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920003366 poly(p-phenylene terephthalamide) Polymers 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000003319 supportive effect Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 239000005711 Benzoic acid Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229920003261 Durez Polymers 0.000 description 1
- 239000005909 Kieselgur Substances 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001805 chlorine compounds Chemical group 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 125000004427 diamine group Chemical group 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- QZUPTXGVPYNUIT-UHFFFAOYSA-N isophthalamide Chemical compound NC(=O)C1=CC=CC(C(N)=O)=C1 QZUPTXGVPYNUIT-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 235000020030 perry Nutrition 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004334 sorbic acid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000004291 sulphur dioxide Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/26—Polyamides; Polyimides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/005—Mechanical treatment
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/04—Physical treatment, e.g. heating, irradiating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
- H05K1/0353—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement
- H05K1/0366—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement reinforced, e.g. by fibres, fabrics
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23907—Pile or nap type surface or component
- Y10T428/23943—Flock surface
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/659—Including an additional nonwoven fabric
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/689—Hydroentangled nonwoven fabric
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/69—Autogenously bonded nonwoven fabric
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/69—Autogenously bonded nonwoven fabric
- Y10T442/692—Containing at least two chemically different strand or fiber materials
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/697—Containing at least two chemically different strand or fiber materials
Definitions
- US Patent 4,698,267 discloses high density para-aramid papers that contain short para-aramid fibers selected from the group consisting of para- aramid pulp, para-aramid floe and mixtures thereof.
- the paper contains from 5 to 25 weight percent of a binder of water dispersible polymeric materials or aramid fibrids. This patent teaches that the binder may be omitted when batch methods of paper preparation are used.
- the para-aramid pulp acts as a binder in these papers.
- the binder in the non-woven sheets described in the above prior art references is an impurity that acts mostly as a defect in the sheet when that sheet is impregnated and used as a substrate.
- the invention also relates to a process for making a sheet of essentially binder-free aramid floe, wherein the aramid floe includes at least 25 percent by weight of para-aramid floe based on the total weight of aramid floe only, by a) preparing an aqueous dispersion of 0.005 to 0.08 weight percent of essentially binder- free aramid floe that includes at least 25 percent by weight of para-aramid floe; b) pouring the dispersion onto a moving screen in a paper making machine; c) withdrawing water from the aqueous dispersion to leave a wet non-woven felt; and d) drying the wet non-woven felt on the supportive screen to make a sheet of essentially binder-free and pulp-free aramid floe.
- the sheet may be hydroentangled before or after being dried. Further, the sheet may be hot -calendered to increase its strength, whether or not that sheet has been hydroentangled.
- aramid fiber means aromatic polyamide fiber, wherein at least 85% of the amide (-C0NH-) linkages are attached directly to two aromatic rings.
- Additives can be used with the aramid, and it has been found that up to as much as 10 percent by weight of other polymeric material can be blended with the aramid or that copolymers can be used having as much as 10 percent of other diamine substituted for the diamine of the aramid or as much as 10 percent of other diacid chloride substituted for the diacid chloride of the aramid.
- aramid fibrids means non-granular film-like particles of aromatic polyamide having a melting point or decomposition point above 320C.
- the fibrids have an average length of 0.2 to 1 mm with a length-to-width aspect ratio of 5:1 to 10:1.
- the thickness dimension is on the order of a fraction of a micron.
- Such aramid fibrids, before being dried, can be used wet and can be deposited as a binder physically entwined about the aramid floe component of a paper.
- the non-woven sheet may be hydroentangled before or after being dried. Hydroentangling results in a wet-laid non-woven sheet of aramid floe that exhibits an increase in density and strength compared to a wet-laid non-woven sheet that has not been hydroentangled.
- the hydroentangling may be performed by conventional processes, such as is disclosed in US Patent No. 4,902,564, the text of which is hereby incorporated by reference.
- the wet-laid non-woven sheet can be impregnated with resins, such as epoxy, polyimide, phenolic, silicone, or other, or combinations thereof, using conventional processes to make a prepreg.
- resins such as epoxy, polyimide, phenolic, silicone, or other, or combinations thereof.
- the prepreg can then be made into a laminate using conventional processes. These laminates can be made into wiring boards or other composite structures.
- Aqueous dispersions were made as in Examples 1-6 except that the dispersions included both meta- aramid floe and para-aramid floe at different weight ratios. These aqueous dispersions were made into wet- laid non-woven sheets as in Examples 1-6.
- the para-aramid floe was made using poly (para-phenylene terephthalamide) fiber sold by E . I . du Pont de Nemours and Company under the trademark KEVLAR ® 49, and had a linear density of 0.16 tex and a length of 6.7 mm. No binders were added to the floe. The tensile strength and elongation in both the machine direction and the cross direction of the non-woven sheets were measured and are shown in Table 2.
- a metal screen of 100 mesh was used as a carrier belt on the washing machine.
- the hydroentangling process was conducted at a speed of 23 m/min.
- the non-woven material was hydroentangled by consecutive treatment from both sides.
- One side was treated with water jets from eight manifolds, which had a 0.13 mm orifice diameter at 16 orifices per cm, and at a pressure of 1.4, 5.5, 8.3, 11.0, 13.8, 13.8, 13.8, and 13.8 MPa respectively.
- Another side was treated with water jets from four manifolds, which had a 0.13 mm orifice diameter at 16 orifices per cm, and at a pressure of 3.4, 6.9, 10.3, and 13.8 MPa respectively.
- Table 3 These data show that wet- laid aramid non-woven sheets of the invention can be successfully hydroentangled before being dried. Further, when compared with the data in Examples 12-13, these data show that the non-woven sheets of the invention can be hydroentangled before or after being dried and still provide acceptable physical properties.
- a wet-laid non-woven sheet was formed and hydroentangled as in Example 12 and was calendered as in Example 17.
- the sheet was impregnated on a vertical prepregging tower using an epoxy resin system with Tg about 165 C.
- the epoxy resin system used was L - 1070 sold by Fortin Industries, Inc.
- a 2 ply copper clad laminate was produced using a vacuum press. The final laminate contained 46.7% of the resin.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Manufacturing & Machinery (AREA)
- Textile Engineering (AREA)
- Paper (AREA)
- Laminated Bodies (AREA)
- Reinforced Plastic Materials (AREA)
- Nonwoven Fabrics (AREA)
- Artificial Filaments (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01994342A EP1354095B1 (en) | 2001-01-23 | 2001-12-27 | Non-woven sheet of aramid floc |
DE60144294T DE60144294D1 (en) | 2001-01-23 | 2001-12-27 | FILMS OF ARAMIDFLAKES |
AU2002246749A AU2002246749A1 (en) | 2001-01-23 | 2001-12-27 | Non-woven sheet of aramid floc |
KR10-2003-7009675A KR20030066823A (en) | 2001-01-23 | 2001-12-27 | Non-woven sheet of aramid floc |
JP2002559889A JP2004518037A (en) | 2001-01-23 | 2001-12-27 | Aramid flock non-woven sheet |
AT01994342T ATE503056T1 (en) | 2001-01-23 | 2001-12-27 | FLEECE MADE OF ARAMID FLAKES |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/767,584 | 2001-01-23 | ||
US09/767,584 US20020142689A1 (en) | 2001-01-23 | 2001-01-23 | Non-woven sheet of aramid floc |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002059411A2 true WO2002059411A2 (en) | 2002-08-01 |
WO2002059411A3 WO2002059411A3 (en) | 2003-08-07 |
Family
ID=25079923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2001/049574 WO2002059411A2 (en) | 2001-01-23 | 2001-12-27 | Non-woven sheet of aramid floc |
Country Status (10)
Country | Link |
---|---|
US (2) | US20020142689A1 (en) |
EP (1) | EP1354095B1 (en) |
JP (1) | JP2004518037A (en) |
KR (1) | KR20030066823A (en) |
CN (1) | CN100582366C (en) |
AT (1) | ATE503056T1 (en) |
AU (1) | AU2002246749A1 (en) |
DE (1) | DE60144294D1 (en) |
RU (1) | RU2003125844A (en) |
WO (1) | WO2002059411A2 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005213704A (en) * | 2004-01-30 | 2005-08-11 | Oji Paper Co Ltd | Wet type aramid fiber non-woven fabric for frp |
US7803247B2 (en) * | 2007-12-21 | 2010-09-28 | E.I. Du Pont De Nemours And Company | Papers containing floc derived from diamino diphenyl sulfone |
US8114251B2 (en) * | 2007-12-21 | 2012-02-14 | E.I. Du Pont De Nemours And Company | Papers containing fibrids derived from diamino diphenyl sulfone |
US8118975B2 (en) * | 2007-12-21 | 2012-02-21 | E. I. Du Pont De Nemours And Company | Papers containing fibrids derived from diamino diphenyl sulfone |
WO2018050588A1 (en) * | 2016-09-14 | 2018-03-22 | Voith Patent Gmbh | Method for producing a wet-laid nonwoven fabric |
EP3305982A4 (en) * | 2015-05-28 | 2019-01-23 | Kolon Industries, Inc. | Aramid paper, manufacturing method therefor, and use thereof |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020142689A1 (en) * | 2001-01-23 | 2002-10-03 | Levit Mikhail R. | Non-woven sheet of aramid floc |
US20050230072A1 (en) * | 2004-04-16 | 2005-10-20 | Levit Mikhail R | Aramid paper blend |
US20050287344A1 (en) * | 2004-06-25 | 2005-12-29 | Conley Jill A | Acrylic and para-aramid pulp and processes of making same |
US20050284595A1 (en) * | 2004-06-25 | 2005-12-29 | Conley Jill A | Cellulosic and para-aramid pulp and processes of making same |
US7455750B2 (en) * | 2004-06-25 | 2008-11-25 | E.I. Du Pont De Nemours And Company | Meta- and para-aramid pulp and processes of making same |
JP2009521621A (en) * | 2005-12-21 | 2009-06-04 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | Paper comprising PIPD flock and method for producing the same |
KR20080110645A (en) * | 2006-03-28 | 2008-12-18 | 노쓰 캐롤라이나 스테이트 유니버시티 | System and method for reducing jet streaks in hydroentangled fibers |
WO2008059511A2 (en) * | 2006-11-13 | 2008-05-22 | Alok Singh | Remote multimedia for network computing |
JP2008260922A (en) * | 2007-03-20 | 2008-10-30 | Shin Kobe Electric Mach Co Ltd | Reinforcing-fiber base material for use in resin molded body, and fiber-reinforced resin molded body |
US8448309B2 (en) * | 2007-11-14 | 2013-05-28 | Kolon Industries, Inc. | Aramid nonwoven fabric and preparation method therefor |
CN101343845B (en) * | 2008-07-22 | 2010-09-08 | 成都龙邦新材料有限公司 | Aramid fiber honeycomb core base stock and preparation method thereof |
JP5895380B2 (en) * | 2011-07-07 | 2016-03-30 | 住友ベークライト株式会社 | Fiber resin composite structure, method for manufacturing fiber resin composite structure, and method for manufacturing molded body |
WO2014079761A1 (en) * | 2012-11-23 | 2014-05-30 | Teijin Aramid B.V. | Electrical insulating paper |
JP6217894B2 (en) * | 2013-02-08 | 2017-10-25 | デュポン帝人アドバンスドペーパー株式会社 | Colored aramid paper and method for producing the same |
US9353462B1 (en) * | 2013-03-12 | 2016-05-31 | Dowco Llc | Fiber blends |
Citations (5)
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- 2001-12-27 JP JP2002559889A patent/JP2004518037A/en active Pending
- 2001-12-27 EP EP01994342A patent/EP1354095B1/en not_active Expired - Lifetime
- 2001-12-27 AU AU2002246749A patent/AU2002246749A1/en not_active Abandoned
- 2001-12-27 CN CN01822226A patent/CN100582366C/en not_active Expired - Fee Related
- 2001-12-27 KR KR10-2003-7009675A patent/KR20030066823A/en not_active Application Discontinuation
- 2001-12-27 WO PCT/US2001/049574 patent/WO2002059411A2/en active Application Filing
- 2001-12-27 AT AT01994342T patent/ATE503056T1/en not_active IP Right Cessation
- 2001-12-27 DE DE60144294T patent/DE60144294D1/en not_active Expired - Lifetime
- 2001-12-27 RU RU2003125844/12A patent/RU2003125844A/en not_active Application Discontinuation
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JP2005213704A (en) * | 2004-01-30 | 2005-08-11 | Oji Paper Co Ltd | Wet type aramid fiber non-woven fabric for frp |
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US8114251B2 (en) * | 2007-12-21 | 2012-02-14 | E.I. Du Pont De Nemours And Company | Papers containing fibrids derived from diamino diphenyl sulfone |
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US10407829B2 (en) | 2015-05-28 | 2019-09-10 | Kolon Industries, Inc. | Aramid paper, manufacturing method therefor, and use thereof |
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Also Published As
Publication number | Publication date |
---|---|
EP1354095B1 (en) | 2011-03-23 |
AU2002246749A1 (en) | 2002-08-06 |
CN100582366C (en) | 2010-01-20 |
US20040089432A1 (en) | 2004-05-13 |
RU2003125844A (en) | 2004-10-20 |
KR20030066823A (en) | 2003-08-09 |
ATE503056T1 (en) | 2011-04-15 |
JP2004518037A (en) | 2004-06-17 |
DE60144294D1 (en) | 2011-05-05 |
EP1354095A2 (en) | 2003-10-22 |
WO2002059411A3 (en) | 2003-08-07 |
US20020142689A1 (en) | 2002-10-03 |
CN1555444A (en) | 2004-12-15 |
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