CN115139555A - Preparation method of waste spinning regenerated packaging composite material - Google Patents
Preparation method of waste spinning regenerated packaging composite material Download PDFInfo
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- CN115139555A CN115139555A CN202210784459.XA CN202210784459A CN115139555A CN 115139555 A CN115139555 A CN 115139555A CN 202210784459 A CN202210784459 A CN 202210784459A CN 115139555 A CN115139555 A CN 115139555A
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- 239000002699 waste material Substances 0.000 title claims abstract description 159
- 239000002131 composite material Substances 0.000 title claims abstract description 79
- 238000009987 spinning Methods 0.000 title claims abstract description 58
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 49
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000000835 fiber Substances 0.000 claims abstract description 159
- 239000004753 textile Substances 0.000 claims abstract description 42
- -1 polypropylene Polymers 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 33
- 239000004743 Polypropylene Substances 0.000 claims abstract description 22
- 239000012792 core layer Substances 0.000 claims abstract description 22
- 229920001155 polypropylene Polymers 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 22
- 238000007731 hot pressing Methods 0.000 claims abstract description 17
- 229920002799 BoPET Polymers 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 239000011091 composite packaging material Substances 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000004064 recycling Methods 0.000 claims abstract description 7
- 238000009960 carding Methods 0.000 claims description 21
- 239000004744 fabric Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 20
- 239000000126 substance Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 7
- 239000002657 fibrous material Substances 0.000 claims description 7
- 230000004927 fusion Effects 0.000 claims description 7
- 235000015110 jellies Nutrition 0.000 claims description 7
- 239000008274 jelly Substances 0.000 claims description 7
- 239000010410 layer Substances 0.000 claims description 7
- 230000035515 penetration Effects 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 238000009958 sewing Methods 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 description 10
- 238000007789 sealing Methods 0.000 description 10
- 239000002202 Polyethylene glycol Substances 0.000 description 9
- 229920001223 polyethylene glycol Polymers 0.000 description 9
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 9
- 239000005022 packaging material Substances 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
Abstract
The invention discloses a preparation method of a waste spinning regenerated packaging composite material, which comprises the following steps: s1, opening waste textiles into waste spinning short fibers; s2, mixing the waste spun short fibers with low-melting-point fibers to form a composite fiber cluster; s3, using the horizontally laid polypropylene non-woven material as a core layer to carry out horizontal lapping; s4, needling the lapped mixed fiber group through a needling machine; s5, heating and welding the web-formed material in a baking box; s6, conveying the welded waste spinning felt to a hot press for hot pressing; s7, covering the PET film on the surface of the waste spinning composite board to form a complete waste spinning composite packaging material, wherein the prepared waste spinning regenerated packaging composite material is soft in outer surface and stiff in inner core, so that the problem of recycling of a large amount of waste textiles is solved, and original plastic and paper packaging can be replaced on a large scale in a repeated recycling mode, so that the aims of environmental protection, energy conservation and emission reduction are achieved.
Description
The application is a divisional application with the application date of 09 and 25 in 2018, the application number of 201811113525.0 and the invention name of 'a preparation method of waste spinning regeneration packaging composite material'.
Technical Field
The invention relates to the technical field of packaging materials, in particular to a preparation method of a waste spinning regenerated packaging composite material.
Background
As a large country of textile and consumption, 2600 ten thousand tons of waste textiles are produced in China every year, along with the rapid development of the Internet and the logistics industry, the annual usage amount of express packaging in China is over 400 hundred million pieces, on one hand, the waste textiles become a serious pollution source in garbage classification, on the other hand, the express industry also uses a large amount of paper and plastic materials to produce packaging products, the current main treatment mode of waste fiber products is incineration, burying or finishing reutilization, and toxic gas and fine particles generated by incineration can cause secondary pollution; the burying mode not only occupies rare land resources, but also has the possibility of polluting underground water, which can cause harm to the environment, and the treatment of the waste fiber products based on the finishing and recycling is divided into chemical treatment and physical treatment; the physical treatment and recycling mode mainly comprises the steps of dispersing waste fiber products into loose fibers by means of physical machinery, and then preparing the fiber products by using a textile process, wherein the physical treatment mode has the problem of no chemical solvent residue compared with a chemical treatment mode, but the product has low strength and low product grade. The existing packaging material has huge material consumption, if the waste textile can be made into the packaging material, great resources can be saved, and the market does not have a method for making the waste textile into the packaging material. Therefore, we propose a method for preparing a waste textile recycled packaging composite material to solve the above problems.
Disclosure of Invention
The invention aims to solve the defect that the market has no method for manufacturing a packaging material from a waste textile material in the prior art, and provides a preparation method of a waste textile regenerated packaging composite material.
A preparation method of a waste spinning regenerated packaging composite material comprises the following steps:
s1, opening waste textiles to form disordered waste spinning short fibers;
s2, uniformly mixing the waste spun short fibers and the low-melting-point fibers in proportion, wherein the mixing ratio of the waste spun short fibers to the low-melting-point fibers is 1:0.08-1, forming a composite fiber mass;
s3, using the horizontally laid polypropylene non-woven material as a core layer, and carrying out horizontal lapping on the mixed fiber mass by using an air lapping machine or a carding machine;
s4, needling the lapped mixed fiber mass through a needle machine to form a web in the horizontal direction, and enabling the low-melting-point fibers and the polypropylene core layer fiber layer to form intersection, penetration and contact in the vertical direction;
s5, heating the web-formed material in a baking box at the temperature of 150-180 ℃, and fusing the low-melting-point fiber, the waste textile fiber and the core layer polypropylene fiber after baking;
s6, conveying the welded waste spinning felt to a hot press for hot pressing, and forming a waste spinning composite board through hot pressing;
s7, covering the surface of the waste spinning composite board with a PET film, and pasting the waste spinning composite board with a film pasting machine by using an ultrasonic film pasting machine to finally form a complete waste spinning composite packaging material;
the opening process is to cut the waste textiles into 20cm multiplied by 20cm cloth blocks, and the cloth blocks are softly opened and evacuated by using a cylinder pre-carding machine full of steel needles to form waste spun staple;
the low-melting-point fibers are low-melting-point polypropylene fibers or low-melting-point polyethylene fibers, the waste spun short fibers and the low-melting-point fibers are sent into a carding machine to be carded into a web, the web is obtained through cross lapping, and the web is reinforced through needling by a needling machine to obtain a composite fiber group;
the hot pressing temperature is 150-180 ℃, and the thickness of the waste spinning composite board is 1-3 mm;
the PET film is a film material which is prepared by using polyethylene terephthalate as a raw material, manufacturing the polyethylene terephthalate into a thick sheet by using an extrusion method and performing biaxial tension.
Preferably, the use method of the waste textile regenerated packaging composite material is as follows: s1, cutting a waste spinning regenerated composite material according to a required size; s2, welding and sewing are carried out by adopting an ultrasonic welding machine, and under the condition that chemical fiber materials in the waste spinning composite material are penetrated by ultrasonic waves, the internal macromolecular components are quickly heated and melted to generate jelly, and a fusion bonding effect is generated under pressure; s3, fusing the zipper base cloth with the waste textile recycled material to realize the welding of the zipper; s4, a hole is formed in one corner of the packaging bag to enable the packaging bag to be overlapped with the zipper puller hole, and a seal or a locking device penetrates through the zipper puller hole and the packaging bag hole to achieve locking or seal
The invention has the beneficial effects that:
1. according to the invention, the prepared waste spinning regenerated packaging composite material has the effects of soft outer surface and stiff inner core, so that the problem of the regeneration and use direction of a large amount of waste textiles is solved, and the original plastic and paper packaging can be replaced on a large scale in a repeated recycling manner, thereby achieving the purposes of environmental protection, energy conservation and emission reduction.
2. According to the invention, the elastic non-woven material with the fluffy structure is prepared by taking the waste textiles as the raw materials, the method is simple, the cost is low, the waste fibers are recycled, the production cost is saved, and the production resources can be recycled.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
The first embodiment is as follows: a preparation method of a waste spinning regenerated packaging composite material comprises the following steps:
s1, opening waste textiles (the opening process is to cut the waste textiles into cloth blocks of 20cm multiplied by 20cm, and the cloth blocks are softly opened and dispersed by using a cylinder pre-carding machine fully covered with steel needles to form waste spun staple fibers) to form disordered waste spun staple fibers;
s2, uniformly mixing the waste spun short fibers and low-melting-point fibers (the low-melting-point fibers are low-melting-point polypropylene fibers or low-melting-point polyethylene fibers) in proportion, sending the waste spun short fibers and the low-melting-point fibers into a carding machine to be carded into a web, cross-lapping to obtain a fiber web, and reinforcing the fiber web by needling with a needling machine to obtain a composite fiber group, wherein the mixing ratio of the waste spun short fibers to the low-melting-point fibers is 1:0.1, forming a composite fiber mass;
s3, using the horizontally laid polypropylene non-woven material as a core layer, and carrying out horizontal lapping on the mixed fiber mass by using an air lapping machine or a carding machine;
s4, needling the mixed fiber mass after being laid into a net in the horizontal direction through a needle machine, and enabling the low-melting-point fibers and the polypropylene core layer fiber layer to form intersection, penetration and contact in the vertical direction;
s5, heating the web-formed material in a baking box at 160 ℃, and fusing the low-melting-point fiber, the waste textile fiber and the core layer polypropylene fiber after baking;
s6, conveying the welded waste spinning felt to a hot press for hot pressing at 160 ℃, and forming a waste spinning composite board through hot pressing, wherein the thickness of the waste spinning composite board is 2mm;
s7, covering a PET film (the PET film is made of polyethylene glycol terephthalate serving as a raw material, the polyethylene glycol terephthalate is made into a thick sheet by an extrusion method, and the thick sheet is made into a film material by two-way stretching), and laminating the waste spun composite board by an ultrasonic laminating machine to finally form a complete waste spun composite packaging material (the use method of the waste spun regenerated packaging composite material is that S1, the waste spun regenerated composite material is cut according to a required size, S2, an ultrasonic welding machine is used for welding and sewing, under the condition that chemical fiber materials in the waste spun composite material are penetrated by ultrasonic waves, internal macromolecular components are rapidly heated and melted to generate jelly, a fusion bonding effect is generated under pressure, S3, zipper base cloth and the waste spun regenerated material are fused to realize the welding of a zipper, S4, an opening is formed at one corner of a packaging bag to coincide with an opening of the zipper, and a sealing or label locking device penetrates through a zipper head hole and the packaging bag opening to realize locking or sealing of the packaging bag).
Example two: a preparation method of a waste spinning regenerated packaging composite material comprises the following steps:
s1, opening waste textiles (the opening process is to cut the waste textiles into cloth blocks of 20cm multiplied by 20cm, and the cloth blocks are softly opened and dispersed by using a cylinder pre-carding machine full of steel needles to form waste spun short fibers) to form disordered waste spun short fibers;
s2, uniformly mixing the waste spun short fibers and low-melting-point fibers (the low-melting-point fibers are low-melting-point polypropylene fibers or low-melting-point polyethylene fibers) in proportion, sending the waste spun short fibers and the low-melting-point fibers into a carding machine to be carded into a web, cross-lapping to obtain a fiber web, and reinforcing the fiber web by needling with a needling machine to obtain a composite fiber group, wherein the mixing ratio of the waste spun short fibers to the low-melting-point fibers is 1:0.2, forming a composite fiber mass;
s3, using the horizontally laid polypropylene non-woven material as a core layer, and carrying out horizontal lapping on the mixed fiber mass by using an air lapping machine or a carding machine;
s4, needling the lapped mixed fiber mass through a needle machine to form a web in the horizontal direction, and enabling the low-melting-point fibers and the polypropylene core layer fiber layer to form intersection, penetration and contact in the vertical direction;
s5, heating the web-formed material in a baking box at 160 ℃, and fusing the low-melting-point fiber, the waste textile fiber and the core layer polypropylene fiber after baking;
s6, conveying the welded waste spinning felt to a hot press for hot pressing at 160 ℃, and forming a waste spinning composite board through hot pressing, wherein the thickness of the waste spinning composite board is 2mm;
s7, covering a PET film (the PET film is made of polyethylene glycol terephthalate serving as a raw material, the polyethylene glycol terephthalate is made into a thick sheet by an extrusion method, and the thick sheet is made into a film material by two-way stretching), and laminating the waste spun composite board by an ultrasonic laminating machine to finally form a complete waste spun composite packaging material (the use method of the waste spun regenerated packaging composite material is that S1, the waste spun regenerated composite material is cut according to a required size, S2, an ultrasonic welding machine is used for welding and sewing, under the condition that chemical fiber materials in the waste spun composite material are penetrated by ultrasonic waves, internal macromolecular components are rapidly heated and melted to generate jelly, a fusion bonding effect is generated under pressure, S3, zipper base cloth and the waste spun regenerated material are fused to realize the welding of a zipper, S4, an opening is formed at one corner of a packaging bag to coincide with an opening of the zipper, and a sealing or label locking device penetrates through a zipper head hole and the packaging bag opening to realize locking or sealing of the packaging bag).
Example three: a preparation method of a waste spinning regenerated packaging composite material comprises the following steps:
s1, opening waste textiles (the opening process is to cut the waste textiles into cloth blocks of 20cm multiplied by 20cm, and the cloth blocks are softly opened and dispersed by using a cylinder pre-carding machine full of steel needles to form waste spun short fibers) to form disordered waste spun short fibers;
s2, uniformly mixing the waste spun short fibers and low-melting-point fibers (the low-melting-point fibers are low-melting-point polypropylene fibers or low-melting-point polyethylene fibers) in proportion, sending the waste spun short fibers and the low-melting-point fibers into a carding machine to be carded into a web, cross-lapping to obtain a fiber web, and reinforcing the fiber web by needling with a needling machine to obtain a composite fiber group, wherein the mixing ratio of the waste spun short fibers to the low-melting-point fibers is 1:0.3, forming a composite fiber mass;
s3, using the horizontally laid polypropylene non-woven material as a core layer, and carrying out horizontal lapping on the mixed fiber mass by using an air lapping machine or a carding machine;
s4, needling the mixed fiber mass after being laid into a net in the horizontal direction through a needle machine, and enabling the low-melting-point fibers and the polypropylene core layer fiber layer to form intersection, penetration and contact in the vertical direction;
s5, heating the web-formed material in a baking box at 160 ℃, and fusing the low-melting-point fiber, the waste textile fiber and the core layer polypropylene fiber after baking;
s6, conveying the welded waste spinning felt to a hot press for hot pressing at 160 ℃, and forming a waste spinning composite board through hot pressing, wherein the thickness of the waste spinning composite board is 2mm;
s7, covering a PET film (the PET film is made of polyethylene glycol terephthalate serving as a raw material, the polyethylene glycol terephthalate is made into a thick sheet by an extrusion method, and the thick sheet is made into a film material by two-way stretching), and laminating the waste spun composite board by an ultrasonic laminating machine to finally form a complete waste spun composite packaging material (the use method of the waste spun regenerated packaging composite material is that S1, the waste spun regenerated composite material is cut according to a required size, S2, an ultrasonic welding machine is used for welding and sewing, under the condition that chemical fiber materials in the waste spun composite material are penetrated by ultrasonic waves, internal macromolecular components are rapidly heated and melted to generate jelly, a fusion bonding effect is generated under pressure, S3, zipper base cloth and the waste spun regenerated material are fused to realize the welding of a zipper, S4, an opening is formed at one corner of a packaging bag to coincide with an opening of the zipper, and a sealing or label locking device penetrates through a zipper head hole and the packaging bag opening to realize locking or sealing of the packaging bag).
Example four: a preparation method of a waste spinning regenerated packaging composite material comprises the following steps:
s1, opening waste textiles (the opening process is to cut the waste textiles into cloth blocks of 20cm multiplied by 20cm, and the cloth blocks are softly opened and dispersed by using a cylinder pre-carding machine full of steel needles to form waste spun short fibers) to form disordered waste spun short fibers;
s2, uniformly mixing the waste spun short fibers and low-melting-point fibers (the low-melting-point fibers are low-melting-point polypropylene fibers or low-melting-point polyethylene fibers) in proportion, sending the waste spun short fibers and the low-melting-point fibers into a carding machine to be carded into a web, cross-lapping to obtain a fiber web, and reinforcing the fiber web by needling with a needling machine to obtain a composite fiber group, wherein the mixing ratio of the waste spun short fibers to the low-melting-point fibers is 1:0.4, forming a composite fiber mass;
s3, using the horizontally laid polypropylene non-woven material as a core layer, and carrying out horizontal lapping on the mixed fiber mass by using an air lapping machine or a carding machine;
s4, needling the mixed fiber mass after being laid into a net in the horizontal direction through a needle machine, and enabling the low-melting-point fibers and the polypropylene core layer fiber layer to form intersection, penetration and contact in the vertical direction;
s5, heating the web-formed material in a baking box at 160 ℃, and fusing the low-melting-point fiber, the waste textile fiber and the core layer polypropylene fiber after baking;
s6, conveying the welded waste spinning felt to a hot press for hot pressing at 160 ℃, and forming a waste spinning composite board through hot pressing, wherein the thickness of the waste spinning composite board is 2mm;
s7, covering a PET film (the PET film is made of polyethylene glycol terephthalate serving as a raw material, the polyethylene glycol terephthalate is made into a thick sheet by an extrusion method, and the thick sheet is made into a film material by two-way stretching), and laminating the waste spun composite board by an ultrasonic laminating machine to finally form a complete waste spun composite packaging material (the use method of the waste spun regenerated packaging composite material is that S1, the waste spun regenerated composite material is cut according to a required size, S2, an ultrasonic welding machine is used for welding and sewing, under the condition that chemical fiber materials in the waste spun composite material are penetrated by ultrasonic waves, internal macromolecular components are rapidly heated and melted to generate jelly, a fusion bonding effect is generated under pressure, S3, zipper base cloth and the waste spun regenerated material are fused to realize the welding of a zipper, S4, an opening is formed at one corner of a packaging bag to coincide with an opening of the zipper, and a sealing or label locking device penetrates through a zipper head hole and the packaging bag opening to realize locking or sealing of the packaging bag).
Example five: a preparation method of a waste spinning regenerated packaging composite material comprises the following steps:
s1, opening waste textiles (the opening process is to cut the waste textiles into cloth blocks of 20cm multiplied by 20cm, and the cloth blocks are softly opened and dispersed by using a cylinder pre-carding machine full of steel needles to form waste spun short fibers) to form disordered waste spun short fibers;
s2, uniformly mixing the waste spun short fibers and low-melting-point fibers (the low-melting-point fibers are low-melting-point polypropylene fibers or low-melting-point polyethylene fibers) in proportion, sending the waste spun short fibers and the low-melting-point fibers into a carding machine to be carded into a web, and cross-lapping to obtain a fiber web, wherein the fiber web is reinforced by needling with a needling machine to obtain a composite fiber group, and the mixing ratio of the waste spun short fibers to the low-melting-point fibers is 1;
s3, using the horizontally laid polypropylene non-woven material as a core layer, and carrying out horizontal lapping on the mixed fiber mass by using an air lapping machine or a carding machine;
s4, needling the lapped mixed fiber mass through a needle machine to form a web in the horizontal direction, and enabling the low-melting-point fibers and the polypropylene core layer fiber layer to form intersection, penetration and contact in the vertical direction;
s5, heating the web-formed material in a baking box at 160 ℃, and fusing the low-melting-point fiber, the waste textile fiber and the core layer polypropylene fiber after baking;
s6, conveying the welded waste spinning felt to a hot press for hot pressing at 160 ℃, and forming a waste spinning composite board through hot pressing, wherein the thickness of the waste spinning composite board is 2mm;
s7, covering a PET film (the PET film is a film material which is prepared by using polyethylene glycol terephthalate as a raw material through an extrusion method and performing biaxial tension on the PET film) on the surface of a waste spinning composite board, and laminating the waste spinning composite board through an ultrasonic film laminating machine to finally form a complete waste spinning composite packaging material (the use method of the waste spinning composite packaging material is that S1, the waste spinning composite material is cut according to a required size, S2, an ultrasonic welding machine is used for welding and sewing, under the condition that a chemical fiber material in the waste spinning composite material is penetrated by ultrasonic waves, the internal macromolecular components are rapidly heated and melted to generate jelly, and a fusion bonding effect is generated under pressure, S3, a zipper base cloth and the waste spinning composite material are fused to realize the welding of a zipper, S4, a hole is formed in one corner of the packaging bag to be coincident with a pull head opening hole of the zipper, and a sealing or locking device is used for penetrating through a zipper head hole and the packaging bag opening hole to realize locking or sealing.
The maximum load and the strength in the warp and weft directions of the waste textile recycled packaging composite materials prepared in the first embodiment, the second embodiment, the third embodiment, the fourth embodiment and the fifth embodiment are measured, and the measurement results are as follows:
according to the measurement results, the waste textile recycled packaging composite material prepared by the invention has large maximum load and good warp and weft strength.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (2)
1. The preparation method of the waste spinning regenerated packaging composite material is characterized by comprising the following steps of:
s1, opening waste textiles to form disordered waste spinning short fibers;
s2, uniformly mixing the waste spun short fibers and the low-melting-point fibers in proportion, wherein the mixing ratio of the waste spun short fibers to the low-melting-point fibers is 1:0.08-1, forming a composite fiber mass;
s3, taking the horizontally laid polypropylene non-woven material as a core layer, and carrying out horizontal lapping on the mixed fiber group by using an air-laid lapping machine or a carding machine;
s4, needling the mixed fiber mass after being laid into a net in the horizontal direction through a needle machine, and enabling the low-melting-point fibers and the polypropylene core layer fiber layer to form intersection, penetration and contact in the vertical direction;
s5, heating the web-formed material in a baking box at the temperature of 150-180 ℃, and fusing the low-melting-point fiber, the waste textile fiber and the core layer polypropylene fiber after baking;
s6, conveying the welded waste spinning felt to a hot press for hot pressing, and forming a waste spinning composite board through hot pressing;
s7, covering the surface of the waste spinning composite board with a PET film, and pasting the waste spinning composite board with a film pasting machine by using an ultrasonic film pasting machine to finally form a complete waste spinning composite packaging material;
the opening process is to cut the waste textiles into cloth blocks of 20cm multiplied by 20cm, and the cloth blocks are softly opened and evacuated by using a cylinder pre-carding machine full of steel needles to form waste textile short fibers;
the low-melting-point fibers are low-melting-point polypropylene fibers or low-melting-point polyethylene fibers, the waste spun short fibers and the low-melting-point fibers are sent into a carding machine to be carded into a web, the web is obtained through cross lapping, and the web is reinforced through needling by a needling machine to obtain a composite fiber group;
the hot pressing temperature is 150-180 ℃, and the thickness of the waste spinning composite board is 1-3 mm;
the PET film is a film material which is prepared by using polyethylene terephthalate as a raw material, manufacturing the polyethylene terephthalate into a thick sheet by using an extrusion method and performing biaxial tension.
2. The method for preparing the waste textile recycling packaging composite material according to claim 1, wherein the method for using the waste textile recycling packaging composite material is as follows:
s1, cutting a waste spinning regenerated composite material according to a required size;
s2, welding and sewing are carried out by adopting an ultrasonic welding machine, and under the condition that chemical fiber materials in the waste spinning composite material are penetrated by ultrasonic waves, the internal macromolecular components are quickly heated and melted to generate jelly, and a fusion bonding effect is generated under pressure;
s3, fusing the zipper base cloth with the waste textile recycled material to realize the welding of the zipper;
and S4, opening a hole at one corner of the packaging bag to enable the packaging bag to be superposed with the opening of the zipper puller, and penetrating the zipper puller hole and the opening of the packaging bag by using a seal or a locking device to realize locking or seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210784459.XA CN115139555A (en) | 2018-09-25 | 2018-09-25 | Preparation method of waste spinning regenerated packaging composite material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210784459.XA CN115139555A (en) | 2018-09-25 | 2018-09-25 | Preparation method of waste spinning regenerated packaging composite material |
| CN201811113525.0A CN110936641A (en) | 2018-09-25 | 2018-09-25 | Preparation method of waste spinning regenerated packaging composite material |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811113525.0A Division CN110936641A (en) | 2018-09-25 | 2018-09-25 | Preparation method of waste spinning regenerated packaging composite material |
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| Publication Number | Publication Date |
|---|---|
| CN115139555A true CN115139555A (en) | 2022-10-04 |
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| CN202210784459.XA Pending CN115139555A (en) | 2018-09-25 | 2018-09-25 | Preparation method of waste spinning regenerated packaging composite material |
| CN201811113525.0A Pending CN110936641A (en) | 2018-09-25 | 2018-09-25 | Preparation method of waste spinning regenerated packaging composite material |
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| CN201811113525.0A Pending CN110936641A (en) | 2018-09-25 | 2018-09-25 | Preparation method of waste spinning regenerated packaging composite material |
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| CN112080851A (en) * | 2020-08-31 | 2020-12-15 | 经纺环境科技(北京)有限公司 | Heat-insulating felt and manufacturing method and production equipment thereof |
| CN112080850A (en) * | 2020-08-31 | 2020-12-15 | 经纺环境科技(北京)有限公司 | Fire-proof plate and its making method and production equipment |
| CN112030545A (en) * | 2020-08-31 | 2020-12-04 | 经纺环境科技(北京)有限公司 | Heat-insulating felt and manufacturing method and production equipment thereof |
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