CN109594343B - High-air-permeability non-woven fabric and production process for producing same - Google Patents
High-air-permeability non-woven fabric and production process for producing same Download PDFInfo
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- CN109594343B CN109594343B CN201710918049.9A CN201710918049A CN109594343B CN 109594343 B CN109594343 B CN 109594343B CN 201710918049 A CN201710918049 A CN 201710918049A CN 109594343 B CN109594343 B CN 109594343B
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- woven fabric
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- 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
- D06M17/00—Producing multi-layer textile fabrics
- D06M17/04—Producing multi-layer textile fabrics by applying synthetic resins as adhesives
- D06M17/06—Polymers of vinyl compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Inorganic Chemistry (AREA)
- Laminated Bodies (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a high-permeability non-woven fabric and a production process for producing the same, aiming at solving the problem of poor permeability of the non-woven fabric, and the key point of the technical scheme is the high-permeability non-woven fabric which is characterized in that: comprises an upper non-woven fabric, a bonding layer and a lower non-woven fabric from top to bottom, wherein the bonding layer comprises a bonding agent, and the bonding agent comprises PE and CaCO3And the weight proportion of the PE is 50-90 percent, CaCO310-50% of adhesive, and 10-100 meshes of adhesive. According to the high-permeability non-woven fabric and the production process for producing the non-woven fabric, the produced non-woven fabric has the advantage of high permeability.
Description
Technical Field
The invention relates to the field of non-woven fabric production and processing, in particular to a high-air-permeability non-woven fabric and a production process for producing the non-woven fabric.
Background
In the field of nonwoven fabric production, the existing composite process method of two-layer and three-layer nonwoven fabric structures of roll materials and sheet materials comprises a mode of bonding two layers of nonwoven fabrics through bonding materials.
For example, chinese patent publication No. CN103640308A discloses a process for manufacturing a nonwoven fabric composite material for automotive interiors, which comprises scattering polyethylene powder particles onto a lower layer of nonwoven fabric, feeding the lower layer of nonwoven fabric with the polyethylene powder particles attached thereto into an oven to melt the polyethylene powder particles, and then attaching a surface layer of nonwoven fabric to the surface of the lower layer of nonwoven fabric with the melted polyethylene powder particles attached thereto to bond the two layers of nonwoven fabric.
When the polyethylene powder is used for dusting, pure polyethylene powder particles are adopted, the mesh number of dusting can be manually regulated, but after the polyethylene powder particles are melted, a layer of film is easily formed, and after the surface non-woven fabric is attached to the lower-layer non-woven fabric, gaps among the polyethylene powder particles are relatively small, and the air permeability of the non-woven fabric is relatively poor.
Therefore, a new solution is needed to solve this problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the non-woven fabric with high air permeability and the production process for producing the non-woven fabric, and the produced non-woven fabric has the advantage of high air permeability.
The technical purpose of the invention is realized by the following technical scheme: the high-permeability non-woven fabric comprises an upper non-woven fabric layer, a bonding layer and a lower non-woven fabric layer from top to bottom, wherein the bonding layer comprises a bonding layerA mixture of PE and CaCO3And the weight proportion of the PE is 50-90 percent, CaCO310-50% of adhesive, and 10-100 meshes of adhesive.
By adopting the technical scheme, CaCO is doped into PE powder3And sprayed between the upper non-woven fabric layer and the lower non-woven fabric layer in 10-100 mesh and made of PE and CaCO3The constituent powder being heated, the PE melting and CaCO3Will not melt, at this time, the melted PE will be adsorbed on the solid CaCO3Up and to CaCO3Gathering to increase the gaps between adjacent PE to increase the air permeability of the non-woven fabric, and adding CaCO compared with pure PE as adhesive3The powder adhesive is cheaper, and the cost is saved.
The invention is further configured to: the gaps between the binder particles were 150-.
By adopting the technical scheme, the gaps of the adhesive particles are controlled to be 150-1700 microns, and larger gaps can be formed after the adhesive is melted, so that the air permeability of the non-woven fabric is enhanced.
The invention is further configured to: the upper non-woven fabric layer is a non-woven fabric layer with raised surface, and the lower non-woven fabric layer is a needle-punched non-woven fabric.
Through adopting above-mentioned technical scheme, sufficient gas permeability can be guaranteed to the lower floor adopts the acupuncture non-woven fabrics to play certain design effect to the cloth, the non-woven fabrics layer that the epidermis was napped is adopted on the upper strata, increases surperficial comfort level, makes the sense of touch better.
The invention also provides a production process for producing the high-permeability non-woven fabric, and the produced non-woven fabric has high permeability.
In order to achieve the technical purpose, the invention provides the following technical scheme: a production process for producing the high-permeability non-woven fabric comprises the following steps:
s1, conveying the lower non-woven fabric forward at a speed of 2-10 m/min and passing through a dusting device;
s2, uniformly scattering adhesive powder on the lower-layer non-woven fabric by a powder scattering device, and conveying the non-woven fabric forwards to pass through an oven;
s3, keeping the temperature of the oven at 100-400 ℃, melting the adhesive powder, attaching the upper-layer non-woven fabric to the surface of the lower-layer non-woven fabric sent out from the cloth outlet of the oven, and bonding;
and S4, cooling the bonded non-woven fabric to ensure that the two layers of non-woven fabrics are bonded more firmly.
Through adopting above-mentioned technical scheme, when lower floor's non-woven fabrics at the uniform velocity forward conveying, the dusting device carries out the dusting to lower floor's non-woven fabrics, and when the oven, the adhesive powder is heated and melts, and with upper non-woven fabrics laminating on its upper surface when lower floor's non-woven fabrics send out the oven to through the adhesive that melts with two-layer bonding, later cooling makes it more firm.
The invention is further configured to: the production process of the adhesive in step S2 is as follows:
a. mixing transparent PE particles and CaCO3Stirring and uniformly mixing the powder;
b. heating the mixture to melt;
c. making the melted mixture into milky white particles by granulation equipment;
d. the milky white particles were ground to a powder.
By adopting the technical scheme, the adhesive consists of PE particles and CaCO3Powder composition, first PE particles and CaCO3Mixing the powders, stirring, heating, granulating, and grinding to obtain PE granule and CaCO granule3The powder is fully fused, and the uniformity after powder scattering is improved.
The invention is further configured to: the powder to be sprinkled on the lower layer nonwoven fabric in step S2 is 10-100 mesh.
By adopting the technical scheme, the powder is scattered on the surface of the lower non-woven fabric by 10-100 meshes, so that the air permeability can be ensured.
The invention is further configured to: the cooling mode in the step S4 is a mode of cooling the press roll and cooling the fan.
Through adopting above-mentioned technical scheme, the non-woven fabrics after will bonding is convoluteed on the cooling compression roller and forward conveying, adopts cooling fan to carry out cooling to the non-woven fabrics surface air-blast refrigerated mode simultaneously, and the cooling effect is better.
The invention is further configured to: the diameter of the milky white particles in step c is 2-5 mm.
By adopting the technical scheme, the diameter of the milky white particles pressed by the granulating equipment is 2-5mm, and the milky white particles are convenient to grind when powder is ground.
In conclusion, the invention has the following beneficial effects:
first, CaCO is doped into PE powder3And sprayed between the upper non-woven fabric layer and the lower non-woven fabric layer in 10-100 mesh and made of PE and CaCO3The constituent powder being heated, the PE melting and CaCO3Will not melt, at this time, the melted PE will be adsorbed on the solid CaCO3Up and to CaCO3Gathering to increase the gaps between adjacent PE to increase the air permeability of the non-woven fabric, and adding CaCO compared with pure PE as adhesive3The powder adhesive is cheaper, so that the cost is saved;
secondly, the adhesive consists of PE particles and CaCO3Powder composition, first PE particles and CaCO3Mixing the powders, stirring, heating, granulating, and grinding to obtain PE granule and CaCO granule3The powder is fully fused, and the uniformity after powder scattering is improved.
Detailed Description
The present invention will be described in detail with reference to examples.
The first embodiment is as follows: the high-permeability non-woven fabric sequentially comprises an upper non-woven fabric layer, a bonding layer and a lower non-woven fabric layer from top to bottom, wherein the upper non-woven fabric layer is made of common gray cloth after surface raising, the lower non-woven fabric layer is common gray cloth, the bonding layer is formed by melting a bonding agent, and the bonding agent is formed by PE and CaCO3The weight proportion of PE is 50-90%, CaCO3The weight ratio is 10 to 50 percentThe mesh number of the adhesive is 10-100 meshes, and the gap between the adhesives after composite molding is 150-1700 microns, so that the gap can be ensured to be large enough, thereby improving the air permeability of the composite non-woven fabric.
Example two: a production process for producing the high-permeability non-woven fabric in the first embodiment comprises the following specific production flows:
s1, conveying the lower-layer non-woven fabric forwards at a speed of 2-10 m/min and passing through a powder scattering device, wherein the powder scattering device is a common powder scattering machine in the industry, and the lower-layer non-woven fabric is driven by a roller to convey forwards through the powder scattering machine; s2, uniformly scattering adhesive powder on the non-woven fabric on the lower layer by a powder scattering device, and conveying the non-woven fabric forwards to pass through an oven, wherein the powder scattering mesh number is 10-100 meshes; s3, keeping the temperature of the oven at 100-400 ℃, melting the adhesive powder, attaching the upper-layer non-woven fabric to the surface of the lower-layer non-woven fabric sent out from the cloth outlet of the oven, and bonding; and S4, cooling the bonded non-woven fabric to enable the two non-woven fabrics to be bonded more firmly, wherein the cooling mode can be a mode of cooling and combining a pressure roller and a fan.
The production flow of the adhesive in the step S2 is as follows: a. stirring and uniformly mixing the transparent PE particles and CaCO3 powder; b. heating the mixture to melt; c. making the melted mixture into milk white granules by granulating equipment, wherein the pure PE is transparent granules, and CaCO is3The powder is white solid, and when the powder and the solid are melted, the powder is made into milky white granules by a granulator and other equipment, and the diameter of the granules is 2-5 mm; d. the milky white particles were ground to a powder and the powder was 10-100.
In addition, compared with the method using pure PE particles as the adhesive, the adhesive added with CaCO3 powder is cheaper, and the cost is saved.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (3)
1. A production process of a high-permeability non-woven fabric is characterized by comprising the following steps: the production process comprises the following steps:
s1, conveying the lower non-woven fabric forward at a speed of 2-10 m/min and passing through a dusting device;
s2, uniformly scattering adhesive powder on the lower non-woven fabric by a powder scattering device, and conveying the non-woven fabric forwards to pass through an oven, wherein in the production process of the adhesive,
a. mixing transparent PE particles and CaCO3Stirring and uniformly mixing the powder;
b. heating the mixture to melt;
c. making the melted mixture into milky white particles by granulation equipment;
d. grinding the opalescent particles into a powder;
s3, keeping the temperature of the oven at 100-400 ℃, melting the adhesive powder, attaching the upper-layer non-woven fabric to the surface of the lower-layer non-woven fabric sent out from the cloth outlet of the oven, and bonding;
s4, cooling the bonded non-woven fabric, wherein the cooling mode is a cooling press roll and fan cooling matched mode, so that the two layers of non-woven fabrics are bonded more firmly.
2. The process for producing a highly breathable nonwoven fabric according to claim 1, wherein: the powder to be sprinkled on the lower layer nonwoven fabric in step S2 is 10-100 mesh.
3. The process for producing a highly breathable nonwoven fabric according to claim 1, wherein: the diameter of the milky white particles in step c is 2-5 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710918049.9A CN109594343B (en) | 2017-09-30 | 2017-09-30 | High-air-permeability non-woven fabric and production process for producing same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710918049.9A CN109594343B (en) | 2017-09-30 | 2017-09-30 | High-air-permeability non-woven fabric and production process for producing same |
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| Publication Number | Publication Date |
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| CN109594343A CN109594343A (en) | 2019-04-09 |
| CN109594343B true CN109594343B (en) | 2021-10-08 |
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| CN201710918049.9A Active CN109594343B (en) | 2017-09-30 | 2017-09-30 | High-air-permeability non-woven fabric and production process for producing same |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038129A (en) * | 1988-05-31 | 1989-12-20 | 基也辅综合技术研究所 | Apparatus for forming films by evaporation in vacuum |
| CN102094338A (en) * | 2009-12-15 | 2011-06-15 | 董纹吉 | Multi-layer non-woven fabric and preparation method thereof |
| CN103571013A (en) * | 2013-10-15 | 2014-02-12 | 昆山威胜干燥剂研发中心有限公司 | Water resistible and breathable plastic film with drying function as well as preparation method and application thereof |
| CN104260379A (en) * | 2014-07-31 | 2015-01-07 | 佛山市联塑万嘉新卫材有限公司 | Method for preparing composite film compounded by non-woven fabric and breathable film |
| CN204367492U (en) * | 2014-09-27 | 2015-06-03 | 合肥普尔德医疗用品有限公司 | The operating coat that stretch-proof non-woven fabrics and stretch-proof non-woven fabrics are made |
| CN105128501A (en) * | 2015-10-28 | 2015-12-09 | 昆山九子莲汽车隔音材料有限公司 | Powder scattering technology for automobile carpet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101527146B1 (en) * | 2014-08-29 | 2015-06-16 | 유피씨(주) | Virus Barrier Laminated Film, Manufacturing Method Thereof and Virus Protection Clothing Thereof |
-
2017
- 2017-09-30 CN CN201710918049.9A patent/CN109594343B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038129A (en) * | 1988-05-31 | 1989-12-20 | 基也辅综合技术研究所 | Apparatus for forming films by evaporation in vacuum |
| CN102094338A (en) * | 2009-12-15 | 2011-06-15 | 董纹吉 | Multi-layer non-woven fabric and preparation method thereof |
| CN103571013A (en) * | 2013-10-15 | 2014-02-12 | 昆山威胜干燥剂研发中心有限公司 | Water resistible and breathable plastic film with drying function as well as preparation method and application thereof |
| CN104260379A (en) * | 2014-07-31 | 2015-01-07 | 佛山市联塑万嘉新卫材有限公司 | Method for preparing composite film compounded by non-woven fabric and breathable film |
| CN204367492U (en) * | 2014-09-27 | 2015-06-03 | 合肥普尔德医疗用品有限公司 | The operating coat that stretch-proof non-woven fabrics and stretch-proof non-woven fabrics are made |
| CN105128501A (en) * | 2015-10-28 | 2015-12-09 | 昆山九子莲汽车隔音材料有限公司 | Powder scattering technology for automobile carpet |
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