CN114318683A - Preparation process of spunbonded non-woven fabric - Google Patents
Preparation process of spunbonded non-woven fabric Download PDFInfo
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- CN114318683A CN114318683A CN202210017965.6A CN202210017965A CN114318683A CN 114318683 A CN114318683 A CN 114318683A CN 202210017965 A CN202210017965 A CN 202210017965A CN 114318683 A CN114318683 A CN 114318683A
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000004743 Polypropylene Substances 0.000 claims abstract description 14
- -1 polypropylene Polymers 0.000 claims abstract description 14
- 229920001155 polypropylene Polymers 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 12
- 238000009987 spinning Methods 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 238000005098 hot rolling Methods 0.000 claims abstract description 5
- 239000004744 fabric Substances 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 238000004806 packaging method and process Methods 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 20
- 239000004595 color masterbatch Substances 0.000 claims description 16
- 239000000155 melt Substances 0.000 claims description 15
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 10
- 239000000806 elastomer Substances 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 238000010409 ironing Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a preparation process of spun-bonded non-woven fabric, which is characterized by comprising the following steps: the method comprises the following process steps: s1: preparing raw materials; s2: mixing and stirring; s3: feeding materials are melted; s4: filtering and metering; s5: carrying out spinning and forming; s6: hot rolling and reinforcing; s7: and winding, cloth reversing, slitting, packaging and warehousing. The invention has the beneficial effects that: according to the invention, the low-cost environment-friendly regenerated polypropylene 230 powder is added into the formula, the consumption of high-cost pure polypropylene particles is reduced, and the cost saved by the method is used for making up the cost caused by adding high-cost environment-friendly toner, so that the cost of the environment-friendly non-woven fabric is equivalent to or even lower than that of a common non-woven fabric, and the environment-friendly non-woven fabric is environment-friendly, low-carbon and can be degraded, recycled and reused.
Description
Technical Field
The invention belongs to the technical field of spun-bonded non-woven fabric preparation, and particularly relates to a preparation process of a spun-bonded non-woven fabric.
Background
The spun-bonded non-woven fabric is a non-woven fabric which is formed by directly forming a net by using a high polymer slicing machine, then carrying out hot rolling reinforcement and carrying out after-treatment. The novel fiber product with soft, breathable and planar structure has the advantages of low non-woven fabric yield, high loss, hardware cost, high electricity charge and high manufacturing cost, and is obtained by the conventional preparation process.
Disclosure of Invention
In view of the problems raised by the above background art, the present invention is directed to: aiming at providing a preparation process of spun-bonded non-woven fabric.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a preparation process of spun-bonded non-woven fabric is characterized by comprising the following steps: the method comprises the following process steps:
s1: preparing raw materials: 25-35 parts of polypropylene 230 powder, 60-70 parts of calcium carbonate filler, 8-10 parts of elastomer and 1-4 parts of color master batch;
s2: mixing and stirring: putting the raw materials prepared in the step S1 into a vertical high-speed stirrer, uniformly stirring the raw materials such as the polypropylene 230 powder, the calcium carbonate filling material, the elastomer, the color master batch and the like to ensure that the raw materials are well dispersed and consistent, and the raw materials can reach a semi-gel state, and the temperature of the raw materials is between 90 and 110 ℃;
s3: feeding and melting: feeding the raw material uniformly stirred in the S2 into a screw extruder for high-temperature melt extrusion, feeding the raw material into a large screw through a feeding hopper, and carrying out the following procedures through high-temperature melt in a region of 1-6 of the large screw and screw rotation transmission, wherein the hopper air pressure is set to be 4 kg/cm DEG; temperature setting of large screw temperature zone (+ -10 ℃): first 200 deg.C, second 210 deg.C, third 215 deg.C, fourth 215 deg.C, fifth 215 deg.C, and sixth 210 deg.C; temperature setting of small screw temperature zone (+ -5 ℃): the first zone is 165 ℃, the second zone is 205 ℃, the third zone is 210 ℃, the fourth zone is 210 ℃ and the fifth zone is 215 ℃, and finally the melt is obtained;
s4: and (3) filtering and metering: filtering the melt in S3 through a filter, setting the pressure before filtering to 15mpa and the pressure after filtering to 5mpa, removing impurities in the melt, then feeding the melt into a metering pump body, setting the frequency of a metering pump to 23HZ and the rotating speed of a metering pump to 662RPM5, realizing that a quantitative melt state enters a filter box body, setting the temperature of the box body to 215 +/-15 ℃, setting the pressure of the box body to 15mpa and setting the air pressure of the box body to 8 kg/cm2And the vacuum material suction air pressure is set to be 4 kg/cm2And finally entering a spinning assembly;
s5: spinning and forming: the spinning method comprises the following steps of (1) spraying 0.45MM thick filaments through a spinneret plate, forming continuous filaments by drawing with the frequency of a suction fan host machine of 28HZ rotating speed 823RPM and the frequency of a side blowing machine host machine of 32HZ rotating speed 940RPM, and quickly distributing formed tows on a net forming host machine, wherein the frequency of the net forming host machine is 22HZ, the main speed is offset by 100%, and the air pressure of a net curtain is set to be 0.6mpa, so that a fiber net is formed;
s6: hot rolling and reinforcing: the fiber web is changed into the non-woven fabric by setting the frequency of a rolling mill to be 26HZ, the rolling speed to be 56.5M/min, the temperature of an upper roller to be 145 +/-15 ℃, the temperature of a lower roller to be 145 +/-15 ℃ and the temperature of an ironing roller to be 117 +/-15 ℃;
s7: winding, cloth reversing, slitting, packaging and warehousing: and collecting and warehousing the non-woven fabrics by setting the winding main frequency of the winding machine to be 21HZ main speed offset 112%.
Further limiting, 30 parts of polypropylene 230 powder, 60 parts of calcium carbonate filler, 10 parts of elastomer and 1 part of color master batch are prepared according to the parts by weight of the raw materials in the S1.
Further defined, the color masterbatch is a white color masterbatch.
The invention has the beneficial effects that: according to the invention, the low-cost environment-friendly regenerated polypropylene 230 powder is added into the formula, the consumption of high-cost pure polypropylene particles is reduced, and the cost saved by the method is used for making up the cost caused by adding high-cost environment-friendly toner, so that the cost of the environment-friendly non-woven fabric is equivalent to or even lower than that of a common non-woven fabric, and the environment-friendly non-woven fabric is environment-friendly, low-carbon and can be degraded, recycled and reused.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following embodiments are provided to further illustrate the present invention.
The invention discloses a preparation process of spun-bonded non-woven fabric, which is characterized by comprising the following steps: the method comprises the following process steps:
s1: preparing raw materials: 25-35 parts of polypropylene 230 powder, 60-70 parts of calcium carbonate filler, 8-10 parts of elastomer and 1-4 parts of color master batch;
s2: mixing and stirring: putting the raw materials prepared in the step S1 into a vertical high-speed stirrer, uniformly stirring the raw materials such as the polypropylene 230 powder, the calcium carbonate filling material, the elastomer, the color master batch and the like to ensure that the raw materials are well dispersed and consistent, and the raw materials can reach a semi-gel state, and the temperature of the raw materials is between 90 and 110 ℃;
s3: feeding and melting: feeding the raw material uniformly stirred in the S2 into a screw extruder for high-temperature melt extrusion, feeding the raw material into a large screw through a feeding hopper, and carrying out the following procedures through high-temperature melt in a region of 1-6 of the large screw and screw rotation transmission, wherein the hopper air pressure is set to be 4 kg/cm DEG; temperature setting of large screw temperature zone (+ -10 ℃): first 200 deg.C, second 210 deg.C, third 215 deg.C, fourth 215 deg.C, fifth 215 deg.C, and sixth 210 deg.C; temperature setting of small screw temperature zone (+ -5 ℃): the first zone is 165 ℃, the second zone is 205 ℃, the third zone is 210 ℃, the fourth zone is 210 ℃ and the fifth zone is 215 ℃, and finally the melt is obtained;
s4: and (3) filtering and metering: filtering the melt in S3 through a filter, setting the pressure before filtering to 15mpa and the pressure after filtering to 5mpa, removing impurities in the melt, then feeding the melt into a metering pump body, setting the frequency of a metering pump to 23HZ and the rotating speed of a metering pump to 662RPM5, realizing that a quantitative melt state enters a filter box body, setting the temperature of the box body to 215 +/-15 ℃, setting the pressure of the box body to 15mpa and setting the air pressure of the box body to 8 kg/cm2And the vacuum material suction air pressure is set to be 4 kg/cm2And finally entering a spinning assembly;
s5: spinning and forming: the spinning method comprises the following steps of (1) spraying 0.45MM thick filaments through a spinneret plate, forming continuous filaments by drawing with the frequency of a suction fan host machine of 28HZ rotating speed 823RPM and the frequency of a side blowing machine host machine of 32HZ rotating speed 940RPM, and quickly distributing formed tows on a net forming host machine, wherein the frequency of the net forming host machine is 22HZ, the main speed is offset by 100%, and the air pressure of a net curtain is set to be 0.6mpa, so that a fiber net is formed;
s6: hot rolling and reinforcing: the fiber web is changed into the non-woven fabric by setting the frequency of a rolling mill to be 26HZ, the rolling speed to be 56.5M/min, the temperature of an upper roller to be 145 +/-15 ℃, the temperature of a lower roller to be 145 +/-15 ℃ and the temperature of an ironing roller to be 117 +/-15 ℃;
s7: winding, cloth reversing, slitting, packaging and warehousing: and collecting and warehousing the non-woven fabrics by setting the winding main frequency of the winding machine to be 21HZ main speed offset 112%.
Preferably, 30 parts of polypropylene 230 powder, 60 parts of calcium carbonate filler, 10 parts of elastomer and 1 part of color master batch are prepared according to the parts by weight of the raw materials in the S1.
Preferably, the color masterbatch is a white color masterbatch.
In the embodiment, 30 parts of polypropylene powder, 60 parts of calcium carbonate filler, 10 parts of elastomer and 1 part of color master batch are placed in a vertical high-speed stirrer, the mixture is uniformly stirred to be well dispersed and consistent, and can reach a semi-gelled state, then the mixture is fed into a screw extruder to be subjected to high-temperature melt extrusion, the extruded melt is filtered by a filter to remove impurities in the melt, then the melt enters a metering pump body to be quantified, the quantified melt enters a box body to be heated and pressurized, then the melt is fed into a spinning assembly, 0.45MM thick filaments are sprayed out by a spinneret plate, the filaments are laid into a net after being stretched to form continuous filaments, the net is subjected to self-bonding, thermal bonding, chemical bonding or mechanical reinforcement to change the net into a non-woven fabric, and finally the non-woven fabric is cut, packaged and warehoused to complete the preparation.
The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (3)
1. A preparation process of spun-bonded non-woven fabric is characterized by comprising the following steps: the method comprises the following process steps:
s1: preparing raw materials: 25-35 parts of polypropylene 230 powder, 60-70 parts of calcium carbonate filler, 8-10 parts of elastomer and 1-4 parts of color master batch;
s2: mixing and stirring: putting the raw materials prepared in the step S1 into a vertical high-speed stirrer, uniformly stirring the raw materials such as the polypropylene 230 powder, the calcium carbonate filling material, the elastomer, the color master batch and the like to ensure that the raw materials are well dispersed and consistent, and the raw materials can reach a semi-gel state, and the temperature of the raw materials is between 90 and 110 ℃;
s3: feeding and melting: feeding the raw material uniformly stirred in the S2 into a screw extruder for high-temperature melt extrusion, feeding the raw material into a large screw through a feeding hopper, and carrying out the following procedures through high-temperature melt in a region of 1-6 of the large screw and screw rotation transmission, wherein the hopper air pressure is set to be 4 kg/cm DEG; temperature setting of large screw temperature zone (+ -10 ℃): first 200 deg.C, second 210 deg.C, third 215 deg.C, fourth 215 deg.C, fifth 215 deg.C, and sixth 210 deg.C; temperature setting of small screw temperature zone (+ -5 ℃): the first zone is 165 ℃, the second zone is 205 ℃, the third zone is 210 ℃, the fourth zone is 210 ℃ and the fifth zone is 215 ℃, and finally the melt is obtained;
s4: and (3) filtering and metering: filtering the melt in S3 through a filter, setting the pressure before filtering to 15mpa and the pressure after filtering to 5mpa, removing impurities in the melt, then feeding the melt into a metering pump body, setting the frequency of a metering pump to 23HZ and the rotating speed of a metering pump to 662RPM5, realizing that a quantitative melt state enters a filter box body, setting the temperature of the box body to 215 +/-15 ℃, setting the pressure of the box body to 15mpa and setting the air pressure of the box body to 8 kg/cm2And the vacuum material suction air pressure is set to be 4 kg/cm2And finally entering a spinning assembly;
s5: spinning and forming: the spinning method comprises the following steps of (1) spraying 0.45MM thick filaments through a spinneret plate, forming continuous filaments by drawing with the frequency of a suction fan host machine of 28HZ rotating speed 823RPM and the frequency of a side blowing machine host machine of 32HZ rotating speed 940RPM, and quickly distributing formed tows on a net forming host machine, wherein the frequency of the net forming host machine is 22HZ, the main speed is offset by 100%, and the air pressure of a net curtain is set to be 0.6mpa, so that a fiber net is formed;
s6: hot rolling and reinforcing: the fiber web is changed into the non-woven fabric by setting the frequency of a rolling mill to be 26HZ, the rolling speed to be 56.5M/min, the temperature of an upper roller to be 145 +/-15 ℃, the temperature of a lower roller to be 145 +/-15 ℃ and the temperature of an ironing roller to be 117 +/-15 ℃;
s7: winding, cloth reversing, slitting, packaging and warehousing: and collecting and warehousing the non-woven fabrics by setting the winding main frequency of the winding machine to be 21HZ main speed offset 112%.
2. A process for the preparation of a spunbonded nonwoven fabric according to claim 1, characterized in that: the raw materials in the S1 comprise, by weight, 30 parts of polypropylene 230 powder, 60 parts of calcium carbonate filler, 10 parts of elastomer and 1 part of color master batch.
3. A process for the preparation of a spunbonded nonwoven fabric according to claim 2, characterized in that: the color master batch is white color master batch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210017965.6A CN114318683A (en) | 2022-01-07 | 2022-01-07 | Preparation process of spunbonded non-woven fabric |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210017965.6A CN114318683A (en) | 2022-01-07 | 2022-01-07 | Preparation process of spunbonded non-woven fabric |
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| CN114318683A true CN114318683A (en) | 2022-04-12 |
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| CN202210017965.6A Pending CN114318683A (en) | 2022-01-07 | 2022-01-07 | Preparation process of spunbonded non-woven fabric |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114905777A (en) * | 2022-05-14 | 2022-08-16 | 刘强 | Manufacturing process and system of non-woven fabric |
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| US20080026660A1 (en) * | 2003-12-08 | 2008-01-31 | Masanori Ogawa | Elastic Nonwoven Fabric |
| CN103132241A (en) * | 2013-03-08 | 2013-06-05 | 晋江市兴泰无纺制品有限公司 | Super-soft SS (spunbond and spunbond) nonwoven fabric and production process thereof |
| CN106147009A (en) * | 2015-04-01 | 2016-11-23 | 合肥杰事杰新材料股份有限公司 | A kind of filler parent granule prepared by regenerating polypropylene and preparation method thereof |
| CN106192213A (en) * | 2016-08-15 | 2016-12-07 | 东莞市悠悠美居家居制造有限公司 | A kind of flexible nonwoven cloth and preparation method thereof |
| CN108166160A (en) * | 2017-12-25 | 2018-06-15 | 崇义县威骏高分子功能材料科技有限公司 | A kind of preparation process of agriculture and garden ecological, environmental protective polypropylene non-woven fabric |
| CN108532130A (en) * | 2018-04-24 | 2018-09-14 | 浙江金三发非织造布有限公司 | A kind of extremely soft non-woven fabrics and its production technology |
| CN109208180A (en) * | 2018-10-25 | 2019-01-15 | 河北华睿无纺布有限公司 | One kind is along soft non-woven fabrics and preparation method thereof |
-
2022
- 2022-01-07 CN CN202210017965.6A patent/CN114318683A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080026660A1 (en) * | 2003-12-08 | 2008-01-31 | Masanori Ogawa | Elastic Nonwoven Fabric |
| CN103132241A (en) * | 2013-03-08 | 2013-06-05 | 晋江市兴泰无纺制品有限公司 | Super-soft SS (spunbond and spunbond) nonwoven fabric and production process thereof |
| CN106147009A (en) * | 2015-04-01 | 2016-11-23 | 合肥杰事杰新材料股份有限公司 | A kind of filler parent granule prepared by regenerating polypropylene and preparation method thereof |
| CN106192213A (en) * | 2016-08-15 | 2016-12-07 | 东莞市悠悠美居家居制造有限公司 | A kind of flexible nonwoven cloth and preparation method thereof |
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| CN109208180A (en) * | 2018-10-25 | 2019-01-15 | 河北华睿无纺布有限公司 | One kind is along soft non-woven fabrics and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114905777A (en) * | 2022-05-14 | 2022-08-16 | 刘强 | Manufacturing process and system of non-woven fabric |
| CN114905777B (en) * | 2022-05-14 | 2023-12-29 | 南通神马新材料科技有限公司 | Manufacturing process and system of non-woven fabric |
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