CN104325767B - A kind of ultra-thin poly tetrafluoroethylene fabric and embossed technology thereof - Google Patents

A kind of ultra-thin poly tetrafluoroethylene fabric and embossed technology thereof Download PDF

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Publication number
CN104325767B
CN104325767B CN201410131401.0A CN201410131401A CN104325767B CN 104325767 B CN104325767 B CN 104325767B CN 201410131401 A CN201410131401 A CN 201410131401A CN 104325767 B CN104325767 B CN 104325767B
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fabric
ultra
poly tetrafluoroethylene
thin
thin poly
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CN104325767A (en
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王中华
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HUZHOU SENNUO FLUORINE MATERIAL TECHNOLOGY Co Ltd
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HUZHOU SENNUO FLUORINE MATERIAL TECHNOLOGY Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
    • B32B37/156—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is calendered and immediately laminated
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/02—Layered materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/06—Embossing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered 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
    • B32B5/02—Layered 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/72—Density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2437/00—Clothing

Abstract

The present invention relates to a kind of ultra-thin poly tetrafluoroethylene fabric and embossed technology thereof, comprise the following steps: batch mixing；Base；Push；Calendering；Ungrease treatment；Longitudinal stretching；Arc biaxial tension；Sintering curing after cross directional stretch；Release paper transfer method pad pasting；The multiple molding of weaving face fabric glue and embossed technology。The super-thin crush fabric made through above-mentioned steps is for multiple fields such as outdoor activity dress ornament and shoemaking, the thickness of its microporous teflon membran is 2～5um, aperture is 0.5～2um, porosity is more than 80%, its have attractive in appearance, lightweight, keep out the wind, perspire, Waterproof Breathable, anti-ultraviolet, anticorrosion and the several functions such as warming, be suitable for the multiformity product of the functional materials such as every motion, leisure, women and children。

Description

A kind of ultra-thin poly tetrafluoroethylene fabric and embossed technology thereof
Technical field:
The present invention relates to cloth field, more particularly to a kind of ultra-thin poly tetrafluoroethylene fabric and embossed technology thereof。
Background technology:
Raising along with people's living standard, people are also more and more higher to the requirement of quality of life, the such as people requirement to CRUX dress ornament, wish that it is not only comfortable and easy to wear, lightweight, and there is the several functions such as ventilative, Radix Saposhnikoviae, waterproof, anti-ultraviolet, moisture-inhibiting, also want to elegant in appearance simultaneously, and the product on existing market does not all reach above-mentioned functions。
A kind of porous material that expanded polytetrafluoroethylsealing microporous membrane is formed through techniques such as multi tension (i.e. expanding treatment), calendering, heat treatments, it it is a kind of pliable and tough and whippy poromerics, porosity is high, even aperture distribution, there is sterilization, filtering function film, the surfacing of material, softness, but it can be seen that the inside of material exists the micropore of a large amount of 0.4 μm～1 μm under scanning electron microscope, its porosity can account for more than 80%。This material has the following characteristics that non-hazardous, environmental change lightweight, corrosion-resistant, resistance to, overcome the cold flow properties (creep) of pure PTFE stuffing materials, this material seal is uniform, ageing-resistant, good springiness, will not harden or brittle over time, using temperature range from-240 DEG C～260 DEG C, it has the prominent advantage that many traditional filter membranes do not have, and its suitability is wide, it is widely used in clothing, family, medicine, agricultural and the field such as chemical industry。
Expanded polytetrafluoroethylsealing microporous membrane also has not thermal conduction characteristic, can be high temperature resistant 300 DEG C, and has heat insulating function, so can be embossed technique with the fabric of expanded polytetrafluoroethylsealing microporous membrane, will not destroy the characteristic of expanded polytetrafluoroethylsealing microporous membrane after embossing。
Summary of the invention:
It is an object of the invention to for the deficiencies in the prior art part, it is provided that a kind of ultra-thin poly tetrafluoroethylene fabric embossed technology；Another object of the present invention is to provide the super-thin crush fabric prepared by ultra-thin poly tetrafluoroethylene fabric embossed technology。
For reaching above-mentioned purpose, the present invention takes following technical proposals:
A kind of ultra-thin poly tetrafluoroethylene fabric embossed technology, comprises the steps:
(1) batch mixing: polytetrafluoroethyldispersion dispersion resin powder and hydro carbons extrusion aid are sufficiently mixed in proportion, stands 24 hours at 50 DEG C～70 DEG C, forms material。
(2) base: material is pressed in advance at 40 DEG C～55 DEG C the cylindrical base of Φ 120mm。
(3) push: cylinder base is placed on pushing machine, under 55 DEG C～60 DEG C conditions, is forced into the round bar of Φ 18～29mm。
(4) calendering: being placed on calender by circle bar, be rolled into oil-containing base band under 50 DEG C of conditions, thickness is 130～180um。
(5) ungrease treatment: by the defat at 260 DEG C～280 DEG C of oil-containing base band, removes extrusion aid, obtains defat base band。
(6) longitudinal stretching: at 280 DEG C～300 DEG C, defat base band is carried out first time longitudinal stretching, and draw ratio is after 2～5 times, it is thus achieved that longitudinal stretching Ranvier's membrane。
(7) arc biaxial tension: longitudinal stretching Ranvier's membrane carries out arc biaxial tension 2～4 times again, obtains extending Ranvier's membrane。
(8) sintering curing after cross directional stretch: will extend over Ranvier's membrane on film balance at 120 DEG C～200 DEG C cross directional stretch, then 320 DEG C～350 DEG C sintering curings 50 seconds, it is thus achieved that thickness is 2～5um, and aperture is the microporous teflon membran of 0.5～2um。
(9) release paper transfer method pad pasting: release paper and micropore shape PU hot melt are fit together, form PU film, then release paper, on PU film, is finally peeled off, formed the double-component film that thickness is 5～10um by microporous teflon membran heat pressure adhesive at 100 DEG C～250 DEG C。
(10) the multiple molding of weaving face fabric glue: double-component film is carried out on weaving face fabric the multiple assembly of glue, the ultra-thin poly tetrafluoroethylene fabric of final acquisition, and ultra-thin poly tetrafluoroethylene fabric is rolled into entire volume。
(11) embossed technology: the ultra-thin poly tetrafluoroethylene fabric of entire volume is placed on emptying roller, its ultra-thin poly tetrafluoroethylene fabric is transported to heating heating indoor to 260 DEG C through drive disk assembly, ultra-thin poly tetrafluoroethylene fabric after heating is by the pressing of knurling rolls and bottom roller, knurling rolls can be arranged as required to decorative pattern, ultra-thin poly tetrafluoroethylene fabric after embossing passes through material receiving roller rewinding, makes super-thin crush fabric。
As preferably, the standard specific gravity of described polytetrafluoroethyldispersion dispersion resin powder is 2.16～2.165。
As preferably, described weaving face fabric is warp knit screen cloth, and warp knit screen cloth is 20D or 40D brocade spandex screen cloth elastic force eyelet fabric。
According to the preparation-obtained super-thin crush fabric of above-mentioned process。
The beneficial effects of the present invention is:
The present invention is for multiple fields such as clothing, outdoor activity dress ornament and shoemaking, the thickness of its microporous teflon membran is 2～5um, porosity is more than 80%, its have attractive in appearance, lightweight, keep out the wind, perspire, Waterproof Breathable, anti-ultraviolet, anticorrosion and the several functions such as warming, be suitable for the multiformity product of the functional materials such as every motion, leisure, women and children。
Detailed description of the invention:
Embodiment 1, a kind of ultra-thin poly tetrafluoroethylene fabric and embossed technology thereof, its step is as follows:
(1) batch mixing: be sufficiently mixed in proportion by the ISOPARK hydro carbons extrusion aid of the polytetrafluoroethyldispersion dispersion resin powder (standard specific gravity is 2.165) of Sichuan morning twilight 216G and Exxon Mobil Corporation, stands 24 hours at 55 DEG C, forms material。
(2) base: material is pressed in advance at 45 DEG C the cylindrical base of Φ 120mm。
(3) push: cylinder base is placed on pushing machine, under 55 DEG C～60 DEG C conditions, is forced into the round bar of Φ 18。
(4) calendering: being placed on calender by circle bar, be rolled into oil-containing base band under 50 DEG C of conditions, thickness is 140um。
(5) ungrease treatment: by the defat at 270 DEG C of oil-containing base band, removes extrusion aid, obtains defat base band。
(6) longitudinal stretching: at 280 DEG C, defat base band is carried out first time longitudinal stretching, and draw ratio is after 5 times, it is thus achieved that longitudinal stretching Ranvier's membrane。
(7) arc biaxial tension: longitudinal stretching Ranvier's membrane carries out arc biaxial tension 2 times again, obtains extending Ranvier's membrane。
(8) sintering curing after cross directional stretch: will extend over Ranvier's membrane on film balance at 150 DEG C cross directional stretch, then 320 DEG C of sintering curings 50 seconds, it is thus achieved that thickness is 3um, and aperture is the microporous teflon membran of 1um。
(9) release paper transfer method pad pasting: release paper and micropore shape PU hot melt are fit together, forms PU film, then on PU film, finally release paper is peeled off, forms the double-component film that thickness is 6um by microporous teflon membran heat pressure adhesive at 200 DEG C。
(10) multiple (PUR) molding of weaving face fabric glue: double-component film is carried out on 20D warp knit screen cloth the multiple assembly of glue, the ultra-thin leisure fabric of final acquisition。
(11) embossed technology: the ultra-thin poly tetrafluoroethylene fabric of entire volume is placed on emptying roller, its ultra-thin poly tetrafluoroethylene fabric is transported to heating heating indoor to 260 DEG C through drive disk assembly, ultra-thin poly tetrafluoroethylene fabric after heating is by the pressing of knurling rolls and bottom roller, knurling rolls can be arranged as required to decorative pattern, ultra-thin poly tetrafluoroethylene fabric after embossing passes through material receiving roller rewinding, makes super-thin crush fabric。
Embodiment 2, a kind of ultra-thin poly tetrafluoroethylene fabric and embossed technology thereof, its step is as follows:
(1) batch mixing: be sufficiently mixed in proportion by the ISOPARK hydro carbons extrusion aid of the polytetrafluoroethyldispersion dispersion resin powder (standard specific gravity is 2.165) of Sichuan morning twilight 216G and Exxon Mobil Corporation, stands 24 hours at 70 DEG C, forms material。
(2) base: material is pressed in advance at 55 DEG C the cylindrical base of Φ 120mm。
(3) push: cylinder base is placed on pushing machine, under 60 DEG C of conditions, is forced into the round bar of Φ 25mm。
(4) calendering: being placed on calender by circle bar, be rolled into oil-containing base band under 50 DEG C of conditions, thickness is 180um。
(5) ungrease treatment: by the defat at 280 DEG C of oil-containing base band, removes extrusion aid, obtains defat base band。
(6) longitudinal stretching: at 300 DEG C, defat base band is carried out first time longitudinal stretching, and draw ratio is after 4 times, it is thus achieved that longitudinal stretching Ranvier's membrane。
(7) arc biaxial tension: longitudinal stretching Ranvier's membrane carries out arc biaxial tension 3 times again, obtains extending Ranvier's membrane。
(8) sintering curing after cross directional stretch: will extend over Ranvier's membrane on film balance at 200 DEG C cross directional stretch, then 350 DEG C of sintering curings 50 seconds, it is thus achieved that thickness is 5um, and aperture is the microporous teflon membran of 0.8um。
(9) release paper transfer method pad pasting: release paper and micropore shape PU hot melt are fit together, forms PU film, then on PU film, finally release paper is peeled off, forms the double-component film that thickness is 8um by microporous teflon membran heat pressure adhesive at 250 DEG C。
(10) multiple (PUR) molding of weaving face fabric glue: double-component film is carried out on 40D warp knit screen cloth the multiple assembly of glue, the ultra-thin leisure fabric of final acquisition。
(11) embossed technology: the ultra-thin poly tetrafluoroethylene fabric of entire volume is placed on emptying roller, its ultra-thin poly tetrafluoroethylene fabric is transported to heating heating indoor to 260 DEG C through drive disk assembly, ultra-thin poly tetrafluoroethylene fabric after heating is by the pressing of knurling rolls and bottom roller, knurling rolls can be arranged as required to decorative pattern, ultra-thin poly tetrafluoroethylene fabric after embossing passes through material receiving roller rewinding, makes super-thin crush fabric。
Above-described embodiment is the specific descriptions that the present invention is carried out; simply the present invention is further described; it is not intended that limiting the scope of the present invention, those skilled in the art makes some nonessential improvement according to the content of foregoing invention and adjustment each falls within protection scope of the present invention。

Claims (4)

1. a ultra-thin poly tetrafluoroethylene fabric embossed technology, it is characterised in that: comprise the following steps:
(1) batch mixing: polytetrafluoroethyldispersion dispersion resin powder and hydro carbons extrusion aid are sufficiently mixed in proportion, stands 24 hours at 50 DEG C～70 DEG C, forms material；
(2) base: material is pressed in advance at 40 DEG C～55 DEG C the cylindrical base of Φ 120mm；
(3) push: cylinder base is placed on pushing machine, under 55 DEG C～60 DEG C conditions, is forced into the round bar of Φ 18～29mm；
(4) calendering: being placed on calender by circle bar, be rolled into oil-containing base band under 50 DEG C of conditions, thickness is 130～180 μm；
(5) ungrease treatment: by the defat at 260 DEG C～280 DEG C of oil-containing base band, removes extrusion aid, obtains defat base band；
(6) longitudinal stretching: at 280 DEG C～300 DEG C, defat base band is carried out first time longitudinal stretching, and draw ratio is after 2～5 times, it is thus achieved that longitudinal stretching Ranvier's membrane；
(7) arc biaxial tension: longitudinal stretching Ranvier's membrane carries out arc biaxial tension 2～4 times again, obtains extending Ranvier's membrane；
(8) sintering curing after cross directional stretch: will extend over Ranvier's membrane on film balance at 120 DEG C～200 DEG C cross directional stretch, then 320 DEG C～350 DEG C sintering curings 50 seconds, it is thus achieved that thickness is 2～5 μm, and aperture is the microporous teflon membran of 0.5～2 μm；
(9) release paper transfer method pad pasting: release paper and micropore shape PU hot melt are fit together, form PU film, then release paper, on PU film, is finally peeled off, formed the double-component film that thickness is 5～10 μm by microporous teflon membran heat pressure adhesive at 100 DEG C～250 DEG C；
(10) the multiple molding of weaving face fabric glue: double-component film is carried out on weaving face fabric the multiple assembly of glue, the ultra-thin poly tetrafluoroethylene fabric of final acquisition, and ultra-thin poly tetrafluoroethylene fabric is rolled into entire volume；
(11) embossed technology: the ultra-thin poly tetrafluoroethylene fabric of entire volume is placed on emptying roller, its ultra-thin poly tetrafluoroethylene fabric is transported to heating heating indoor to 260 DEG C through drive disk assembly, ultra-thin poly tetrafluoroethylene fabric after heating is by the pressing of knurling rolls and bottom roller, knurling rolls can be arranged as required to decorative pattern, ultra-thin poly tetrafluoroethylene fabric after embossing passes through material receiving roller rewinding, makes super-thin crush fabric。
2. the ultra-thin poly tetrafluoroethylene fabric embossed technology of one according to claim 1, it is characterised in that: the standard specific gravity of described polytetrafluoroethyldispersion dispersion resin powder is 2.16～2.165。
3. the ultra-thin poly tetrafluoroethylene fabric embossed technology of one according to claim 1, it is characterised in that: described weaving face fabric is warp knit screen cloth, and warp knit screen cloth is 20D or 40D brocade spandex screen cloth elastic force eyelet fabric。
4. the one ultra-thin poly tetrafluoroethylene preparation-obtained super-thin crush fabric of fabric embossed technology method described in claim 1。
CN201410131401.0A 2014-04-02 2014-04-02 A kind of ultra-thin poly tetrafluoroethylene fabric and embossed technology thereof Active CN104325767B (en)

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CN104723567B (en) * 2015-02-25 2017-11-03 中昊晨光化工研究院有限公司 A kind of forming method of modified Teflon plastic products
CN106427148A (en) * 2016-11-11 2017-02-22 苏州市兴丰强纺织科技有限公司 Stereoscopic printed fabric and technology for producing same
CN108118424A (en) * 2016-11-28 2018-06-05 丹阳市丹祈纺织有限公司 A kind of crease-resistant casual fabric and its preparation process
CN107672228A (en) * 2017-09-30 2018-02-09 江苏瑞腾涂装科技有限公司 A kind of preparation method of degradable packaging bag
CN113771324B (en) * 2021-09-07 2022-08-16 南京贝迪新材料科技股份有限公司 Preparation method of biaxial extension LCP film

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CN103585898A (en) * 2013-10-22 2014-02-19 湖州森诺氟材料科技有限公司 Polytetrafluoroethylene mask filtering membrane used for PM2.5 air filtering and preparation method of polytetrafluoroethylene mask filtering membrane

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CN1519106A (en) * 2003-01-22 2004-08-11 中国人民解放军总后勤部军需装备研究 Method for preparing laminated textile with waterproof and transmission of humidity made from bi-directiona elastic Teflon
CN202507608U (en) * 2012-01-04 2012-10-31 昆山华阳复合材料科技有限公司 High-performance microporous environment-friendly waterproof air-permeable high-tech composite textile
CN203371897U (en) * 2013-07-16 2014-01-01 江苏美罗家用纺织品有限公司 Textile fabric printing equipment
CN103585898A (en) * 2013-10-22 2014-02-19 湖州森诺氟材料科技有限公司 Polytetrafluoroethylene mask filtering membrane used for PM2.5 air filtering and preparation method of polytetrafluoroethylene mask filtering membrane

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