CN114150437A - PET dry method skeleton composite melt-blown purification non-woven fabric and preparation process thereof - Google Patents
PET dry method skeleton composite melt-blown purification non-woven fabric and preparation process thereof Download PDFInfo
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- CN114150437A CN114150437A CN202111505321.3A CN202111505321A CN114150437A CN 114150437 A CN114150437 A CN 114150437A CN 202111505321 A CN202111505321 A CN 202111505321A CN 114150437 A CN114150437 A CN 114150437A
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- dry
- blown
- melt
- skeleton
- woven fabric
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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
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
- D04H1/5418—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
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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
- D04H1/555—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 by ultrasonic heating
-
- 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
- D04H1/559—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 the fibres being within layered webs
Abstract
The invention discloses a PET dry method skeleton composite melt-blown purification non-woven fabric and a preparation process thereof, wherein the PET dry method skeleton composite melt-blown purification non-woven fabric comprises a dry method skeleton and a melt-blown non-woven fabric layer; the raw materials of the dry-method framework consist of polyester resin, melt-blown pp and flame-retardant fibers; wherein the percentage of the polyester fiber in the raw material of the dry-method skeleton is 50-90%, the percentage of the melt-blown pp in the raw material of the dry-method skeleton is 10-50%, and the percentage of the flame-retardant fiber in the raw material of the dry-method skeleton is 1-5%; the melt-blown non-woven fabric layer is arranged on the surface of the dry-method skeleton. The invention has good flame retardant property, high filtration property and low resistance.
Description
Technical Field
The invention belongs to the field of purified non-woven fabrics, and particularly relates to a PET dry-method framework composite melt-blown purified non-woven fabric and a preparation process thereof.
Background
The manufacturing process of the existing purification non-woven fabric needs to be applied with more glue, so that the odor is poor, and the heat-resistant and flame-retardant performance of the product is reduced.
Disclosure of Invention
The invention provides a PET dry-method framework composite melt-blown purified non-woven fabric and a preparation process thereof for solving the technical problems.
The solution adopted by the invention for realizing the technical effect is as follows:
the PET dry method skeleton composite melt-blown purified non-woven fabric comprises a dry method skeleton and a melt-blown non-woven fabric layer; the raw materials of the dry-method framework consist of polyester resin, melt-blown pp and flame-retardant fibers; wherein the percentage of the polyester fiber in the raw material of the dry-method skeleton is 50-90%, the percentage of the melt-blown pp in the raw material of the dry-method skeleton is 10-50%, and the percentage of the flame-retardant fiber in the raw material of the dry-method skeleton is 1-5%; the melt-blown non-woven fabric layer is arranged on the surface of the dry-method skeleton.
Preferably, the percentage of the polyester fiber in the raw material of the dry-process skeleton is 90%, the percentage of the melt-blown pp in the raw material of the dry-process skeleton is 5%, and the percentage of the flame-retardant fiber in the raw material of the dry-process skeleton is 5%.
Preferably, the flame retardant fibers are aramid fibers.
The preparation process of the PET dry-method skeleton composite melt-blown purified non-woven fabric comprises the following steps:
the method comprises the following steps: coarsely opening polyester resin, melt-blown pp and aramid fiber at a ratio of 90:5: 5;
step two: sending the coarse fibers obtained in the step two into a carding machine for combing;
step three: putting the fine fibers obtained in the step two into a lapping machine for lapping to prepare fiber cloth;
step four: conveying the fiber cloth obtained in the third step to a hot roller for heating and melting to form a dry skeleton;
step five: and attaching the melt-blown non-woven fabric to the surface of the dry skeleton obtained in the fourth step by ultrasonic waves.
Preferably, the combing opening coefficient of the carding machine in the second step is 0.45.
Preferably, the lapping machine in the third step carries out lapping treatment on the fine fibers at the speed of 45 m/min.
Preferably, the heating roller in the fourth step is heated to 180 ℃ to heat and melt the fiber cloth.
The invention has the beneficial effects that: by utilizing the characteristics of the PET material, the material is easy to shape, and the material can resist acid, alkali and corrosion; by adding the flame-retardant fibers, the material has flame-retardant property; by adding the high-efficiency melt-blown pp, the filtering performance can reach fine filtering; the melt-blown non-woven fabric is attached to the dry-process framework in a non-extrusion mode, so that the application of glue is reduced, gaps among materials are not pressed, and high efficiency and low resistance of product filtration are realized.
Drawings
Fig. 1 is a schematic cross-sectional view of a cable according to an embodiment of the present invention.
And (3) identification and explanation: 1-dry skeleton, 2-melt blown nonwoven.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When one element is referred to as being "fixedly attached" to another element, it can be fixedly attached by welding, bolting, gluing, or the like.
Referring to fig. 1, in the preferred embodiment of the present invention, a PET dry skeleton composite melt-blown purified nonwoven fabric is disclosed, which includes a dry skeleton 1 and a melt-blown nonwoven fabric layer 2; the raw materials of the dry-method framework 1 consist of polyester resin, melt-blown pp and flame-retardant fibers; wherein the percentage of the polyester fiber in the raw material of the dry-method framework 1 is 50-90%, the percentage of the melt-blown pp in the raw material of the dry-method framework 1 is 10-50%, and the percentage of the flame-retardant fiber in the raw material of the dry-method framework 1 is 1-5%; the melt-blown non-woven fabric layer 2 is arranged on the surface of the dry-method skeleton 1.
Specifically, the percentage of the polyester fiber in the raw material of the dry-process skeleton 1 is 90%, the percentage of the melt-blown pp in the raw material of the dry-process skeleton 1 is 5%, and the percentage of the flame-retardant fiber in the raw material of the dry-process skeleton 1 is 5%.
Specifically, the flame-retardant fiber is aramid fiber.
The preparation process of the PET dry-method skeleton composite melt-blown purified non-woven fabric comprises the following steps:
the method comprises the following steps: coarsely opening polyester resin, melt-blown pp and aramid fiber at a ratio of 90:5: 5;
step two: sending the coarse fibers obtained in the step two into a carding machine for combing;
step three: putting the fine fibers obtained in the step two into a lapping machine for lapping to prepare fiber cloth;
step four: conveying the fiber cloth obtained in the third step to a hot roller for heating and melting to form a dry-process framework 1;
step five: and attaching the melt-blown nonwoven fabric 2 to the surface of the dry skeleton obtained in the fourth step by ultrasonic waves.
Specifically, the combing opening coefficient of the carding machine in the second step is 0.45.
Specifically, the lapping machine in the third step carries out lapping treatment on the fine fibers at the speed of 45 m/min.
Specifically, the hot roller in the fourth step is heated to 180 ℃ to heat and melt the fiber cloth.
As can be seen from the above description, the invention has good flame retardant property, high filtration performance and low resistance.
While the preferred embodiments of the present invention have been illustrated in detail in the accompanying drawings, it should be understood that the scope of the invention includes, but is not limited to, the embodiments described above; while the invention has been described with reference to specific embodiments, it will be appreciated by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (7)
- The PET dry method skeleton composite melt-blown purification non-woven fabric is characterized in that: comprises a dry-method framework and a melt-blown non-woven fabric layer; the raw materials of the dry-method framework consist of polyester resin, melt-blown pp and flame-retardant fibers; wherein the percentage of the polyester fiber in the raw material of the dry-method skeleton is 50-90%, the percentage of the melt-blown pp in the raw material of the dry-method skeleton is 10-50%, and the percentage of the flame-retardant fiber in the raw material of the dry-method skeleton is 1-5%; the melt-blown non-woven fabric layer is arranged on the surface of the dry-method skeleton.
- 2. The PET dry skeleton composite melt-blown purification nonwoven fabric according to claim 1, characterized in that: the percentage of the polyester fiber in the raw material of the dry-method skeleton is 90%, the percentage of the melt-blown pp in the raw material of the dry-method skeleton is 5%, and the percentage of the flame-retardant fiber in the raw material of the dry-method skeleton is 5%.
- 3. The PET dry skeleton composite melt-blown purification nonwoven fabric according to claim 1, characterized in that: the flame-retardant fiber is aramid fiber.
- 4. The process of preparing the PET dry skeleton composite melt-blown purified nonwoven fabric according to claim 1, comprising the steps of:the method comprises the following steps: coarsely opening polyester resin, melt-blown pp and aramid fiber at a ratio of 90:5: 5;step two: sending the coarse fibers obtained in the step two into a carding machine for combing;step three: putting the fine fibers obtained in the step two into a lapping machine for lapping to prepare fiber cloth;step four: conveying the fiber cloth obtained in the third step to a hot roller for heating and melting to form a dry skeleton;step five: and attaching the melt-blown non-woven fabric to the surface of the dry skeleton obtained in the fourth step by ultrasonic waves.
- 5. The process of preparing the PET dry skeleton composite melt-blown purified non-woven fabric according to claim 4, wherein the process comprises the following steps: and the combing opening coefficient of the carding machine in the second step is 0.45.
- 6. The process of preparing the PET dry skeleton composite melt-blown purified non-woven fabric according to claim 4, wherein the process comprises the following steps: and the lapping machine in the third step carries out lapping treatment on the fine fibers at the speed of 45 m/min.
- 7. The process of preparing the PET dry skeleton composite melt-blown purified non-woven fabric according to claim 4, wherein the process comprises the following steps: and in the fourth step, the fiber cloth is heated to 180 ℃ by a hot roller to be subjected to heating and melting treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111505321.3A CN114150437A (en) | 2021-12-10 | 2021-12-10 | PET dry method skeleton composite melt-blown purification non-woven fabric and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111505321.3A CN114150437A (en) | 2021-12-10 | 2021-12-10 | PET dry method skeleton composite melt-blown purification non-woven fabric and preparation process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114150437A true CN114150437A (en) | 2022-03-08 |
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|---|---|---|---|
| CN202111505321.3A Pending CN114150437A (en) | 2021-12-10 | 2021-12-10 | PET dry method skeleton composite melt-blown purification non-woven fabric and preparation process thereof |
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Citations (13)
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| JP2009028617A (en) * | 2007-07-26 | 2009-02-12 | Kureha Ltd | Filter nonwoven fabric |
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| CN104790123A (en) * | 2015-04-28 | 2015-07-22 | 山东省永信非织造材料有限公司 | Spunlaced nonwovens and machining method for composite fiber curtain filtration |
| CN105771427A (en) * | 2016-04-16 | 2016-07-20 | 青岛锦美盛无纺布有限公司 | Electret non-woven filter material for air filtering |
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| CN207056133U (en) * | 2017-08-09 | 2018-03-02 | 大连瑞光非织造布集团有限公司 | Gradient filtration complex nonwoven cloth material |
| CN110947239A (en) * | 2019-10-30 | 2020-04-03 | 东莞市利韬过滤材料有限公司 | Melt-spun non-woven fabric filter material and preparation method thereof |
| WO2021207604A1 (en) * | 2020-04-09 | 2021-10-14 | Pfnonwovens Llc | Nonwoven material for filtration and method of making the same |
-
2021
- 2021-12-10 CN CN202111505321.3A patent/CN114150437A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009028617A (en) * | 2007-07-26 | 2009-02-12 | Kureha Ltd | Filter nonwoven fabric |
| CN101307528A (en) * | 2008-02-29 | 2008-11-19 | 东莞市莲盈棉制品有限公司 | Fire retardant cotton nonwoven fabrics and manufacture method thereof |
| CN202610514U (en) * | 2012-05-18 | 2012-12-19 | 山东泰鹏无纺有限公司 | Needle-punched non-woven cloth with progressive increase type filter fineness |
| CN103657254A (en) * | 2012-09-03 | 2014-03-26 | 东丽纤维研究所（中国）有限公司 | Filter material and production method and application thereof |
| CN103015039A (en) * | 2012-12-04 | 2013-04-03 | 江苏六鑫洁净新材料有限公司 | Two-component melt-blown automatic mixing system |
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| CN207056133U (en) * | 2017-08-09 | 2018-03-02 | 大连瑞光非织造布集团有限公司 | Gradient filtration complex nonwoven cloth material |
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| WO2021207604A1 (en) * | 2020-04-09 | 2021-10-14 | Pfnonwovens Llc | Nonwoven material for filtration and method of making the same |
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Application publication date: 20220308 |
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