NO20180201A1 - High performance waterproof fabric - Google Patents

High performance waterproof fabric Download PDF

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Publication number
NO20180201A1
NO20180201A1 NO20180201A NO20180201A NO20180201A1 NO 20180201 A1 NO20180201 A1 NO 20180201A1 NO 20180201 A NO20180201 A NO 20180201A NO 20180201 A NO20180201 A NO 20180201A NO 20180201 A1 NO20180201 A1 NO 20180201A1
Authority
NO
Norway
Prior art keywords
fabric
fibers
core
sheath
performance
Prior art date
Application number
NO20180201A
Inventor
Baldvin Kristjansson
Original Assignee
Ballistic Skin As
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
Application filed by Ballistic Skin As filed Critical Ballistic Skin As
Priority to NO20180201A priority Critical patent/NO20180201A1/en
Publication of NO20180201A1 publication Critical patent/NO20180201A1/en

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Classifications

    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00Woven fabrics designed to make specified articles
    • D03D1/0035Protective fabrics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06Fibrous reinforcements only
    • B29C70/08Fibrous reinforcements only comprising combinations of different forms of fibrous reinforcements incorporated in matrix material, forming one or more layers, and with or without non-reinforced layers
    • B29C70/083Combinations of continuous fibres or fibrous profiled structures oriented in one direction and reinforcements forming a two dimensional structure, e.g. mats
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06Fibrous reinforcements only
    • B29C70/10Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/24Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/06Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D03D13/008Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft characterised by weave density or surface weight
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41HARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00Armour; Armour plates
    • F41H5/02Plate construction
    • F41H5/04Plate construction composed of more than one layer
    • F41H5/0471Layered armour containing fibre- or fabric-reinforced layers
    • F41H5/0478Fibre- or fabric-reinforced layers in combination with plastics layers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41HARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00Armour; Armour plates
    • F41H5/02Plate construction
    • F41H5/04Plate construction composed of more than one layer
    • F41H5/0471Layered armour containing fibre- or fabric-reinforced layers
    • F41H5/0485Layered armour containing fibre- or fabric-reinforced layers all the layers being only fibre- or fabric-reinforced layers
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2008Fabric composed of a fiber or strand which is of specific structural definition

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Ceramic Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Description

HIGH PERFORMANCE WATERPROOF FABRIC
TECHNICAL FIELD OF THE INVENTION
The invention disclosed herein generally relates to a high performance, waterproof fabric. More particularly, the invention relates to an Ultra-High Molecular Weight Polyethylene (UHMWPE) based high performance fabric manufactured with core or sandwich type structure using 3D weaving technique.
BACKGROUND
Ultra-high-molecular-weight polyethylene (UHMWPE) is a subset of the thermoplastic polyethylene. Also known as high-modulus polyethylene, (HMPE), it has extremely long chains, with a molecular mass usually between 3.5 and 7.5 million amu. The longer chain serves to transfer load more effectively to the polymer backbone by strengthening intermolecular interactions. Henceforth, UHMWPE characterized with high impact strength property of any other known thermoplastic material.
UHMWPE is odorless, tasteless, and non-toxic material. It embodies all the characteristics of high-density polyethylene (HDPE). UHMWPE is used in mooring and towing ropes, trawl ropes and nets, aquaculture nets, crane ropes, heavy lift slings, air cargo containers and nets, draglines and rope shovels for surface mining.
UHMWPE fibers or their blended fibers and like fibers are mostly used in dry state. To incorporate waterproof property in said fibers, the fibers are temporarily coated or laminated. However, this is not a permanent solution to the fibers and unreliable due to the occurrence of cracks between the plastic lamination layers of the fiber. The dried fibers may be exposed to oil, gas, water, sand, UV light, etc., which can damage, and minimize the life-cycle of the fibers. Further, UHMWPE like fibers are essentially one long molecule, or a linkage chain of molecules, which does not allow any chemicals, adhesives, or dyes to provide waterproofness, any fluid proof (gas, oil, etc.), UV proof and chemical resistant solution.
In light of the foregoing, there is need of a three-dimensional Ultra-High Molecular Weight Polyethylene (UHMWPE) based high performance fabric with good dimensional stability and strength, soft and light weight, waterproof, any fluid proof (gas, oil, etc.), UV proof and chemical resistant properties.
SUMMARY OF THE INVENTION
This summary is provided to introduce a selection of concepts in a simplified form that are further disclosed in the detailed description of the invention. This summary is not intended to identify key or essential inventive concepts of the claimed subject matter, nor is it intended for determining the scope of the claimed subject matter.
The present invention relates to a high-performance fabric, characterized by a core fiber comprising an Ultra-High Molecular Weight Polyethylene (UHMWPE) and a sheath or surface fiber comprising any one of natural, synthetic or combination thereof. Said sheath or surface fibers and core fibers are woven using 3D weaving technique to form Ultra-High Molecular Weight Polyethylene (UHMWPE) based core or sandwich type three-dimensional (3D) fabric. The Ultra-High Molecular Weight Polyethylene (UHMWPE) based core or sandwich type three-dimensional (3D) fabric is further treated with one or more resins to provide waterproof characteristics and enhances the mechanical property of the fabric. In one embodiment, the natural sheath fiber includes cotton, sisal, ramie, jute, bamboo and coir fibers. In another embodiment, the synthetic sheath fiber includes polyester, nylon, rayon, acrylic, aramids, modal, glass, and spandex fibers.
In one embodiment, the strength of the sheath fibers is comparatively lower to the core fibers. In some embodiments, the resin is, but not limited to, silicone or soft resins. In one embodiment, the resin is configured to adhere to the sheath fibers on either side of the core fiber such that the core fiber is unable to separate away from the resin and sheath fibers. Further, the core and sheath fibers are configured to distribute impact-load uniformly for ballistic fabric applications. In one embodiment, the core fibers are configured to absorb tension. In some embodiments, there are two weight (GSM) versions of high performance fabric in dry state with, 500 gm/m<2>at 8000 N, and 1100 gm/m<2>at 19000 N. Further, the weight (GSM) will be doubled as, 1000 gm/m<2>at 8000 N, and 2200 gm/m<2>at 19000 N during waterproof state of the high-performance fabric.
BRIEF DESCRIPTION OF THE DRAWINGS
The foregoing summary, as well as the following detailed description of the invention, is better understood when read in conjunction with the appended drawings. For the purpose of illustrating the invention, exemplary constructions of the invention are shown in the drawings. However, the invention is not limited to the specific methods and structures disclosed herein. The description of a method step or a structure referenced by a numeral in a drawing is applicable to the description of that method step or structure shown by that same numeral in any subsequent drawing herein.
FIG. 1 exemplarily illustrates a cross-sectional view of a high-performance fabric according to an embodiment of the present invention.
DETAILED DESCRIPTION OF THE INVENTION
Disclosed herein, an Ultra-High Molecular Weight Polyethylene (UHMWPE) based high performance fabric manufactured with core or sandwich type structure using 3D weaving technique.
Referring to FIG.1, a cross-sectional view of a high-performance fabric 100 is illustrated, according to an embodiment of the present invention. In an embodiment, the high-performance fabric 100 includes, a sheath or surface fiber 102 and a core fiber 104. In one embodiment, the core fibers 104 includes an Ultra-High Molecular Weight Polyethylene (UHMWPE) and sheath or surface fibers 102 comprises any one of natural, synthetic or combination thereof.
According to the present invention, said sheath or surface fibers 102 and core fibers 104 are woven using three-dimensional (3D) weaving technique to form Ultra-High Molecular Weight Polyethylene (UHMWPE) based core or sandwich type threedimensional (3D) fabric 100. The Ultra-High Molecular Weight Polyethylene (UHMWPE) based core or sandwich type three-dimensional (3D) fabric 100 is further treated with one or more resins to provide waterproof characteristics and enhances the mechanical property of the fabric.
In some embodiments, the resin is, but not limited to, silicone or soft resins. Silicone or any soft resin soaks and adheres to the surface fibers 102, and soaks through the strong core UHMWPE fibers 104. In one embodiment, the resin composition in the fabric 100, helps in incorporating different shore hardness, thickness, and contours of the soft-resin surface. In the present invention, the composition of the resin in the fabric 100 is tuned to provide “leather” like finish. In another embodiment, the resin composition in the fabric 100 is adjusted to provide more buoyancy, wear and tear resistance. In another embodiment, the resin composition in the fabric 100 is adjusted to provide different contours of the soft-resin surface, such that the fabric 100 is flat or with fine waterchannels for optimal fluid flow/less resistance. This makes the fabric 100 capable of being dyeable, printable, attachable, UV proof, chemical resistant, high friction resistant and rip-proof, with in technical specifications of each application.
In one embodiment, the natural sheath fiber 102 includes any one or combination of cotton, sisal, ramie, jute, bamboo and coir fibers. In another embodiment, the synthetic sheath fiber 102 includes any one or combination of polyester, nylon, rayon, acrylic, aramids, modal, glass, and spandex fibers. In one embodiment, the strength of the sheath fibers 102 is comparatively lower to the core fibers 104. In one embodiment, the resin is configured to adhere to the sheath fibers 102 on either side of the core fiber 104 such that the core fiber 104 is unable to separate away from the resin and sheath fibers 102.
Further, the core 104 and sheath fibers 102 is configured to distribute impact-load uniformly for ballistic fabric applications. In one embodiment, the core fibers 104 is a strong fiber, which is not woven, configured to absorb tension. In one embodiment, the strength of the fabric 100 could be adjusted by including more core fibers 104. In some embodiments, there are two strength/weight versions of high performance fabric 100 with, 500 gm/m<2>at 8000 N, and 1100 gm/m<2>at 19000 N. The fabric 100 could be packaged into rolls, up to 250 cm wide. Further, the fabric 100 could be printed or dyed, according to the requirement of the end-users.
Said high performance fabric 100 is processed to provide waterproof, any fluid proof (gas, oil, etc.), UV proof, chemical resistant solution and withstand considerable pressure in different circumstances (even under water), which opens a wide range of applications including, fluid tanks, transportation, armor, boats, etc. The fabric 100 further characterized with neutral buoyancy, where the fabric tends to float, which could be used as gas-container to avoid explosions. Further, if the gas-container made by this fabric 100 emptied, the gas-container is very light and can be shipped flat-packed, thereby provide saving on return freight, storage, etc. The fabric 100 could be incorporated in any application that require light weight, high strength, flexible, environmental proof properties. Further, the fabric 100 is customizable to required stiffness, colors, finishes, prints and contours (i.e. contours of surface of the soft resin).
The fabric 100 could be used for manufacturing knee-caps, helmets, protective garments, and further in a wide variety of industrial and personal use. The high-performance fabric 100, according to the present invention, comprises high modulus fibers and resins, configured to absorb huge amount of force and disperse the impact force uniformly along the surface of the fabric. This facilitates usage of fabric in ballistic protection, combat and defense applications. The fabric 100 could be packaged as a roll, a lightweight and waterproof material, which is 15 times stronger than the steel.
The foregoing examples have been provided merely for the purpose of explanation and are in no way to be construed as limiting of the present concept disclosed herein. While the concept has been described with reference to various embodiments, it is understood that the words, which have been used herein, are words of description and illustration, rather than words of limitation. Further, although the concept has been described herein with reference to particular means, materials, and embodiments, the concept is not intended to be limited to the particulars disclosed herein; rather, the concept extends to all functionally equivalent structures, methods and uses, such as are within the scope of the appended claims.

Claims (9)

1. A high-performance fabric (100), characterized by:
a core fiber (104) comprising an Ultra-High Molecular Weight Polyethylene (UHMWPE) and a sheath fiber (102) comprising any one of natural, synthetic or combination thereof, are woven using threedimensional (3D) weaving technique to form Ultra-High Molecular Weight Polyethylene (UHMWPE) based core or sandwich type threedimensional (3D) fabric (100),
wherein, the Ultra-High Molecular Weight Polyethylene (UHMWPE) based core or sandwich type three-dimensional (3D) fabric (100) is further treated with one or more resins to provide waterproof characteristics, any fluid proof (gas, oil, etc.), UV proof and chemical resistant property and enhance mechanical property of the fabric (100).
2. The high-performance fabric (100) of claim 1, characterized by the natural sheath fiber (102) including any one or combination of cotton, sisal, ramie, jute, bamboo and coir fibers.
3. The high-performance fabric (100) of claim 1, characterized by the synthetic sheath fiber (102) including any one or combination of polyester, nylon, rayon, acrylic, aramids, modal, glass and spandex fibers.
4. The high-performance fabric (100) of claim 1, characterized by the sheath fibers (102) being comparatively lower in strength to the core fibers (104).
5. The high-performance fabric (100) of claim 1, characterized by the resins including silicone or soft resins.
6. The high-performance fabric (100) of claim 1, characterized by the resins adhering to the sheath fibers (102) on either side of the core fiber (104) such that the core fiber (104) is unable to separate away from the resin and sheath fibers (102).
7. The high-performance fabric (100) of claim 1, characterized by the core (104) and sheath fibers (102) being configured to distribute impact-load uniformly for ballistic fabric applications.
8. The high-performance fabric (100) of claim 1, characterized by the core fibers (104) being configured to absorb tension.
9. The high-performance fabric (100) of claim 1, characterized by fabric weight of 500 gm/m<2>at 8000 N.
The high-performance fabric (100) of claim 1, characterized by fabric weight of 1100 gm/m<2>at 19000 N.
NO20180201A 2018-02-07 2018-02-07 High performance waterproof fabric NO20180201A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO20180201A NO20180201A1 (en) 2018-02-07 2018-02-07 High performance waterproof fabric

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Application Number Priority Date Filing Date Title
NO20180201A NO20180201A1 (en) 2018-02-07 2018-02-07 High performance waterproof fabric

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NO20180201A1 true NO20180201A1 (en) 2019-08-08

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1517112A1 (en) * 2003-09-17 2005-03-23 Andrew D. Park Hard armor composite
US20150343738A1 (en) * 2011-01-19 2015-12-03 Angel Armor, Llc Flexible ballistic resistant panel with internal fiber stitches
US20160312399A1 (en) * 2015-04-24 2016-10-27 Honeywell International Inc. Composite fabrics combining high and low strength materials
US20170080678A1 (en) * 2015-09-17 2017-03-23 Honeywell International Inc. Low porosity high strength uhmwpe fabrics

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1517112A1 (en) * 2003-09-17 2005-03-23 Andrew D. Park Hard armor composite
US20150343738A1 (en) * 2011-01-19 2015-12-03 Angel Armor, Llc Flexible ballistic resistant panel with internal fiber stitches
US20160312399A1 (en) * 2015-04-24 2016-10-27 Honeywell International Inc. Composite fabrics combining high and low strength materials
US20170080678A1 (en) * 2015-09-17 2017-03-23 Honeywell International Inc. Low porosity high strength uhmwpe fabrics

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