CN106222884A - A kind of fire retardant nonwoven fabric material and preparation method thereof - Google Patents
A kind of fire retardant nonwoven fabric material and preparation method thereof Download PDFInfo
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- CN106222884A CN106222884A CN201610754658.0A CN201610754658A CN106222884A CN 106222884 A CN106222884 A CN 106222884A CN 201610754658 A CN201610754658 A CN 201610754658A CN 106222884 A CN106222884 A CN 106222884A
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- fire retardant
- nonwoven fabric
- woven fabrics
- retardant
- fire
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Classifications
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- 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
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/542—Adhesive fibres
- D04H1/544—Olefin series
-
- 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
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- 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
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
- D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/68—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
- D06M11/72—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with metaphosphoric acids or their salts; with polyphosphoric acids or their salts; with perphosphoric acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/30—Flame or heat resistance, fire retardancy properties
Abstract
The invention discloses a kind of fire retardant nonwoven fabric material of field of nonwoven fabric technology, described fire-retardant it is prepared by the raw materials in without non-woven fabrics: ammonium polyphosphate flame retardant 8 12, acrylic resin 5 10, polypropylene bulk material 70 100, vector resin 8 10, the present invention is rationally mixed with binding agent in fire retardant, fire retardant is made to be attached to as far as possible on non-woven fabrics, to reach optimum resistance combustion effect, directly use the mode soaked, on cloth body, form good fire retardant nonwoven fabric, the method is by being directly dipped into mixing fire retardant in non-woven fabrics, then according to technological process is directly produced out the flame retardant nonwoven fabric of stable performance, technique is simple, production efficiency is high, and do not result in the waste of fire retardant, both improve speed of production, save again human cost.
Description
Technical field
The present invention relates to field of nonwoven fabric technology, be specially a kind of fire retardant nonwoven fabric material and preparation method thereof.
Background technology
Spun-bonded non-woven fabrics and production technology thereof since late 1950s is developed first by du pont company, due to
It, in the advantage of the aspects such as Technology, properties of product, production efficiency, obtains fast development highly visible over nearly 20 years,
World's filature fleece formation non-woven material year consumes about 1,600,000 tons of resins at present, and wherein polypropylene (PP) accounts for 3/4, knits with fiber
The nonwoven product made mainly has the woven carpet of filter felt, spun-bond process and needle point method and geotextiles, hygienic article such as health
The disposable products such as towel, cleaning towel, diaper, urinary incontinence pad, medical protection product such as surgery apparel, working clothing and hospital
Sheet etc., and the purposes that textile is in automobile making mainly has: car ground pad, door trim, plaque, roof substrate, gasoline
Filter, carpet, seat etc., the requirement to these automotive interior coatings is stable performance, fast light and anti tear and it is necessary to
Having sound insulation dimensional stability adiabatic, accurate and be economically produced, at present, PP fiber product is in textile for automobile field
It is widely used, along with new type functional fiber and the exploitation of textile thereof so that it is in the application in automotive trim field
Will be more extensive, application percentage also can increase year by year, additionally, the rapid growth of Domestic Automotive Industry, is also new type functional
Fiber and textile thereof bring broader development space, but, most of fibers due to inflammable and with burning molten drop phenomenon
And limiting its application, the process making flame retardant nonwoven fabric at present is typically to impregnate non-woven fabrics in retardant solution
After a period of time, take out and dry, long flow path and easily cause the waste of retardant solution, so needing to be changed by new technique
The non-woven fabrics becoming common holds incendive performance, such as Chinese Patent Application No. 200710021609.7 and discloses a kind of fire-retardant nothing
Spinning the production technology of strap, with terylene non-woven fabric as raw material, it produces according to the following steps: by non-woven fabrics by equipped with liquid
The maceration tank of phosphorus-nitrogen combustion inhibitor, forms a flame-retardant layer in nonwoven surface；The non-woven fabrics of phosphorus-nitrogen combustion inhibitor will be soaked with by height
Temperature baking oven is dried, and the temperature of high temperature oven controls at 100-150 DEG C；With winder by above-mentioned non-woven fabrics rolling, and use
Cutting machine is cut, packed products, this method flow length and easily cause the waste of retardant solution, not in technological process
Change.
Summary of the invention
It is an object of the invention to provide a kind of fire retardant nonwoven fabric material and preparation method thereof, to solve above-mentioned background technology
The existing non-woven fabrics preparation method long flow path of middle proposition and easily cause the waste of retardant solution, does not change in technological process
The problem become.
For achieving the above object, the present invention provides following technical scheme: a kind of fire retardant nonwoven fabric material, described fire-retardant without nothing
Spin cloth to be prepared by the raw materials in: ammonium polyphosphate flame retardant 8-12 part, acrylic resin 5-10 part, polypropylene bulk material
70-100 part, vector resin 8-10 part.
Preferably, the specifically comprising the following steps that of the preparation method of this fire retardant nonwoven fabric
S1. polymer feeds and melt extrudes: add polypropylene bulk material 70-100 part, vector resin 8-10 in feed bin
Part, melt extrude through screw extruder after mix homogeneously, wherein, the temperature of screw extruder is 200 DEG C-230 DEG C；
S2. fibre forming and one-tenth net: melt, after filter filters and dosing pump measures, enters spinning manifold spinning,
Again after cross air blasting cools down, drafting tube being delivered on sub-wire pendulum, after carrying out sub-wire on sub-wire pendulum, uniform spreading is to becoming net
Curtain；
S3. cloth is reinforced in hot rolling: again lace curtaining is carried out high temperature hot rolling, and the temperature of hot rolling is 220 DEG C-230 DEG C, then by hot rolling
After lace curtaining be sent to crimping machine and calender, i.e. obtain primary non-woven fabrics；
S4. fire-retardant mixed liquor is prepared: be that acrylic resin 8-10 part is carried out by ammonium polyphosphate flame retardant 8-12 part and composition
Stir into mixed liquor, prepare the blended liquid of fire retardant and binding agent；
S5. fire retardant nonwoven fabric is prepared: then above-mentioned primary non-woven fabrics is immersed in 10-20min in above-mentioned mixed liquor, finally
The primary non-woven fabrics soaked is placed between two rubber rollers of roller machine extruding, dries and prepare fire-retardant spun-bonded non-woven fabrics,
The temperature dried is 100-120 DEG C, and the time of drying is 0.5-5h.
Compared with prior art, the invention has the beneficial effects as follows: the present invention is rationally mixed with binding agent in fire retardant, makes
Fire retardant is attached on non-woven fabrics as far as possible, to reach optimum resistance combustion effect, directly uses the mode soaked, on cloth body,
Forming good fire retardant nonwoven fabric, the method is by being directly dipped into mixing fire retardant in non-woven fabrics, then according to technique stream
Journey is directly produced out the flame retardant nonwoven fabric of stable performance, and technique is simple, and production efficiency is high, and does not results in the wave of fire retardant
Take, both improve speed of production, saved again human cost.
Accompanying drawing explanation
Fig. 1 is fire retardant nonwoven fabric preparation method block diagram of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme: a kind of fire retardant nonwoven fabric material, described fire-retardant without non-woven fabrics
It is prepared by the raw materials in: ammonium polyphosphate flame retardant 8-12 part, acrylic resin 5-10 part, polypropylene bulk material 70-
100 parts, vector resin 8-10 part.
Embodiment one
Specifically comprising the following steps that of method prepared by this fire retardant nonwoven fabric
S1. polymer feeds and melt extrudes: add polypropylene bulk material 70 parts, vector resin 8 parts, mixing in feed bin
Melt extruding through screw extruder after Jun Yun, wherein, the temperature of screw extruder is 200 DEG C；
S2. fibre forming and one-tenth net: melt, after filter filters and dosing pump measures, enters spinning manifold spinning,
Again after cross air blasting cools down, drafting tube being delivered on sub-wire pendulum, after carrying out sub-wire on sub-wire pendulum, uniform spreading is to becoming net
Curtain；
S3. cloth is reinforced in hot rolling: again lace curtaining is carried out high temperature hot rolling, and the temperature of hot rolling is 220 DEG C, then by the net after hot rolling
Curtain is sent to crimping machine and calender, i.e. obtains primary non-woven fabrics；
S4. fire-retardant mixed liquor is prepared: be that acrylic resin 5 parts fully stirs by ammonium polyphosphate flame retardant 8 parts and composition
Mix and uniformly become mixed liquor, prepare the blended liquid of fire retardant and binding agent；
S5. fire retardant nonwoven fabric is prepared: then above-mentioned primary non-woven fabrics is immersed in 10min in above-mentioned mixed liquor, finally will
The primary non-woven fabrics soaked is placed between two rubber rollers of roller machine and extrudes, and dries and prepares fire-retardant spun-bonded non-woven fabrics, dries
Dry temperature is 100 DEG C, and the time of drying is 0.5h.
Embodiment two
Specifically comprising the following steps that of method prepared by this fire retardant nonwoven fabric
S1. polymer feeds and melt extrudes: add polypropylene bulk material 85 parts, vector resin 9 parts, mixing in feed bin
Melt extruding through screw extruder after Jun Yun, wherein, the temperature of screw extruder is 215 DEG C；
S2. fibre forming and one-tenth net: melt, after filter filters and dosing pump measures, enters spinning manifold spinning,
Again after cross air blasting cools down, drafting tube being delivered on sub-wire pendulum, after carrying out sub-wire on sub-wire pendulum, uniform spreading is to becoming net
Curtain；
S3. cloth is reinforced in hot rolling: again lace curtaining is carried out high temperature hot rolling, and the temperature of hot rolling is 225 DEG C, then by the net after hot rolling
Curtain is sent to crimping machine and calender, i.e. obtains primary non-woven fabrics；
S4. fire-retardant mixed liquor is prepared: be that acrylic resin 9 parts fully stirs by ammonium polyphosphate flame retardant 10 parts and composition
Mix and uniformly become mixed liquor, prepare the blended liquid of fire retardant and binding agent；
S5. fire retardant nonwoven fabric is prepared: then above-mentioned primary non-woven fabrics is immersed in 15min in above-mentioned mixed liquor, finally will
The primary non-woven fabrics soaked is placed between two rubber rollers of roller machine and extrudes, and dries and prepares fire-retardant spun-bonded non-woven fabrics, dries
Dry temperature is 110 DEG C, and the time of drying is 2.75h.
Embodiment three
Specifically comprising the following steps that of method prepared by this fire retardant nonwoven fabric
S1. polymer feeds and melt extrudes: adds polypropylene bulk material 100 parts, vector resin 10 parts in feed bin, mixes
Melt extruding through screw extruder after closing uniformly, wherein, the temperature of screw extruder is 230 DEG C；
S2. fibre forming and one-tenth net: melt, after filter filters and dosing pump measures, enters spinning manifold spinning,
Again after cross air blasting cools down, drafting tube being delivered on sub-wire pendulum, after carrying out sub-wire on sub-wire pendulum, uniform spreading is to becoming net
Curtain；
S3. cloth is reinforced in hot rolling: again lace curtaining is carried out high temperature hot rolling, and the temperature of hot rolling is 230 DEG C, then by the net after hot rolling
Curtain is sent to crimping machine and calender, i.e. obtains primary non-woven fabrics；
S4. fire-retardant mixed liquor is prepared: be that acrylic resin 10 parts is carried out fully by ammonium polyphosphate flame retardant 12 parts with composition
It is stirred into mixed liquor, prepares the blended liquid of fire retardant and binding agent；
S5. fire retardant nonwoven fabric is prepared: then above-mentioned primary non-woven fabrics is immersed in 20min in above-mentioned mixed liquor, finally will
The primary non-woven fabrics soaked is placed between two rubber rollers of roller machine and extrudes, and dries and prepares fire-retardant spun-bonded non-woven fabrics, dries
Dry temperature is 120 DEG C, and the time of drying is 5h.
By the experiment of three above embodiment, show that most preferred embodiment is embodiment three.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (2)
1. a fire retardant nonwoven fabric material, it is characterised in that: described fire-retardant it is prepared by the raw materials in without non-woven fabrics: poly-
Ammonium phosphate fire retardant 8-12 part, acrylic resin 5-10 part, polypropylene bulk material 70-100 part, vector resin 8-10 part.
2. the preparation method of a fire retardant nonwoven fabric, it is characterised in that: the concrete steps of the preparation method of this fire retardant nonwoven fabric are such as
Under:
S1. polymer feeds and melt extrudes: addition polypropylene bulk material 70-100 part in feed bin, vector resin 8-10 part,
Melt extruding through screw extruder after mix homogeneously, wherein, the temperature of screw extruder is 200 DEG C-230 DEG C；
S2. fibre forming and one-tenth net: melt, after filter filters and dosing pump measures, enters spinning manifold spinning, then warp
After cross air blasting cooling, drafting tube being delivered on sub-wire pendulum, after carrying out sub-wire on sub-wire pendulum, uniform spreading is to becoming lace curtaining；
S3. cloth is reinforced in hot rolling: again lace curtaining is carried out high temperature hot rolling, and the temperature of hot rolling is 220 DEG C-230 DEG C, then by after hot rolling
Lace curtaining is sent to crimping machine and calender, i.e. obtains primary non-woven fabrics；
S4. fire-retardant mixed liquor is prepared: be that acrylic resin 8-10 part is carried out fully by ammonium polyphosphate flame retardant 8-12 part with composition
It is stirred into mixed liquor, prepares the blended liquid of fire retardant and binding agent；
S5. fire retardant nonwoven fabric is prepared: then above-mentioned primary non-woven fabrics is immersed in 10-20min in above-mentioned mixed liquor, finally will leaching
The primary non-woven fabrics steeped is placed between two rubber rollers of roller machine and extrudes, and dries and prepares fire-retardant spun-bonded non-woven fabrics, dries
Temperature be 100-120 DEG C, the time of drying is 0.5-5h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610754658.0A CN106222884A (en) | 2016-08-29 | 2016-08-29 | A kind of fire retardant nonwoven fabric material and preparation method thereof |
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| CN201610754658.0A CN106222884A (en) | 2016-08-29 | 2016-08-29 | A kind of fire retardant nonwoven fabric material and preparation method thereof |
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Cited By (11)
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| CN108973280A (en) * | 2018-04-09 | 2018-12-11 | 衢州市瑞昊无纺布有限公司 | A kind of non-woven fabrics and its production technology of waterproof and breathable |
| CN109403056A (en) * | 2018-11-07 | 2019-03-01 | 桐城市鸿江包装有限公司 | The preparation method of flame retardant type medical non-woven fabrics |
| CN109537166A (en) * | 2018-11-07 | 2019-03-29 | 桐城市鸿江包装有限公司 | The preparation method of antimicrobial form medical non-woven fabrics |
| CN109537162A (en) * | 2018-11-07 | 2019-03-29 | 桐城市鸿江包装有限公司 | It is packed for the preparation method of tough non-woven fabric |
| CN109563663A (en) * | 2016-12-27 | 2019-04-02 | 可隆工业株式会社 | The manufacturing method of non-woven fabrics for carpet foam-back |
| CN109594192A (en) * | 2017-09-30 | 2019-04-09 | 无锡市振基土工材料有限公司 | A kind of fire-retardant geotextiles and preparation method thereof |
| CN109627744A (en) * | 2018-12-08 | 2019-04-16 | 深圳市中创卓越科技有限公司 | A kind of flame retardant type material and its preparation process |
| CN109881488A (en) * | 2019-01-15 | 2019-06-14 | 安徽新利清洁用品有限公司 | A kind of high-strength anti-flaming non-woven fabrics and preparation method thereof |
| CN112127044A (en) * | 2020-09-01 | 2020-12-25 | 福建长庚新材料股份有限公司 | High-flame-retardancy needle-punched non-woven fabric and preparation method thereof |
| CN112267193A (en) * | 2020-09-11 | 2021-01-26 | 青铜峡市华龙塑料工业有限责任公司 | Thick and thin filament geotextile |
| CN112918042A (en) * | 2020-06-24 | 2021-06-08 | 刘家浩 | Washable flame-retardant non-woven fabric |
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| CN108973280A (en) * | 2018-04-09 | 2018-12-11 | 衢州市瑞昊无纺布有限公司 | A kind of non-woven fabrics and its production technology of waterproof and breathable |
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| CN109537166A (en) * | 2018-11-07 | 2019-03-29 | 桐城市鸿江包装有限公司 | The preparation method of antimicrobial form medical non-woven fabrics |
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| CN109881488A (en) * | 2019-01-15 | 2019-06-14 | 安徽新利清洁用品有限公司 | A kind of high-strength anti-flaming non-woven fabrics and preparation method thereof |
| CN112918042A (en) * | 2020-06-24 | 2021-06-08 | 刘家浩 | Washable flame-retardant non-woven fabric |
| CN112127044A (en) * | 2020-09-01 | 2020-12-25 | 福建长庚新材料股份有限公司 | High-flame-retardancy needle-punched non-woven fabric and preparation method thereof |
| CN112267193A (en) * | 2020-09-11 | 2021-01-26 | 青铜峡市华龙塑料工业有限责任公司 | Thick and thin filament geotextile |
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