CN116926782A - 3D polyester long-fiber down-like warm-keeping cotton and preparation method thereof - Google Patents
3D polyester long-fiber down-like warm-keeping cotton and preparation method thereof Download PDFInfo
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- CN116926782A CN116926782A CN202310846715.8A CN202310846715A CN116926782A CN 116926782 A CN116926782 A CN 116926782A CN 202310846715 A CN202310846715 A CN 202310846715A CN 116926782 A CN116926782 A CN 116926782A
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- 239000000835 fiber Substances 0.000 title claims abstract description 133
- 229920000728 polyester Polymers 0.000 title claims abstract description 113
- 229920000742 Cotton Polymers 0.000 title claims abstract description 65
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000007493 shaping process Methods 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000005406 washing Methods 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 229920004933 Terylene® Polymers 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 241000272525 Anas platyrhynchos Species 0.000 description 1
- 241000272814 Anser sp. Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention provides 3D polyester long fiber down-like thermal insulation cotton and a preparation method thereof, and belongs to the technical field of thermal insulation cotton. The invention relates to 3D polyester long fiber down-like warm-keeping cotton, which comprises the following components in percentage by weight: 40-60% of regenerated polyester long fibers and 40-60% of regenerated hollow polyester long fibers. The 3D three-dimensional polyester long fiber eiderdown-like thermal insulation cotton disclosed by the invention uses the polyester long fiber as a raw material, so that the cotton is not easy to tear or generate a block shape due to displacement in the use process; the 3D polyester long-fiber eiderdown-like thermal insulation cotton disclosed by the invention has good water washing resistance, is fluffy when washed more and is comparable with down, has good thermal insulation effect and does not drill cotton; in addition, the production method of the 3D polyester long-fiber down-like warm-keeping cotton is simple and convenient, and is suitable for large-scale popularization.
Description
Technical Field
The invention belongs to the technical field of thermal insulation cotton, and particularly relates to 3D polyester long-fiber down-like thermal insulation cotton and a preparation method thereof.
Background
The down is made of natural down, and can be divided into duck down and goose down, and is widely used for a long time for manufacturing high-grade cold-proof clothes, high-grade bedding and the like. However, down is expensive, and thus an alternative down-like product is urgently needed.
The down cotton is produced by superfine fibers with different specifications through a special process, is similar to down in quality, is called down cotton, has the advantages of light weight, fine and smooth hand feeling, softness, good warm-keeping effect, and the like, has warm-keeping performance comparable to that of down with the same gram weight, and can be widely applied to filling down cotton jackets, ski jackets, cold-proof jackets, down quilts, down cotton trousers, car cushions and other products in various fields.
The existing down cotton still has the defects of water-washing intolerance, easy layering and fault and easy cotton drilling. Therefore, research on the down-like warm-keeping cotton has become a technical problem to be solved in the field. .
Disclosure of Invention
Based on the prior art, the invention aims to provide the 3D polyester long-fiber down-like thermal insulation cotton and the preparation method thereof, and the 3D polyester long-fiber down-like thermal insulation cotton manufactured by the invention has the characteristics of good water resistance, fluffiness compared with down after washing, good thermal insulation effect and no cotton penetration.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the 3D polyester long-fiber down-like thermal insulation cotton comprises the following components in percentage by weight: 40-60% of regenerated polyester long fibers and 40-60% of regenerated hollow polyester long fibers.
According to the 3D three-dimensional polyester long fiber down-like thermal insulation cotton provided by the invention, the regenerated polyester long fiber is a 3D multiplied by 64 mm silicon-free polyester long fiber, and the regenerated hollow polyester long fiber is a 3D multiplied by 64 mm silicon-free hollow polyester long fiber. The regenerated terylene long fiber and the regenerated hollow terylene long fiber are manufactured by recycling waste mineral water bottles.
The invention also provides a preparation method of the 3D polyester long-fiber down-like warm-keeping cotton, which comprises the following steps:
step one, mixing regenerated polyester long fibers and regenerated hollow polyester long fibers in proportion, and then opening, wherein the opening process enables the regenerated polyester long fibers and the regenerated hollow polyester long fibers to be fully and uniformly mixed to obtain mixed fibers;
step two, performing pan head treatment on the mixed fibers, interlacing filaments into a net by a reciprocating forming machine after pan head treatment, and paving the net-shaped eiderdown-like thermal insulation cotton with required weight and thickness;
step three, feeding the net-shaped down-like warm-keeping cotton into a cylinder oven, and heating and shaping to form flocculus;
and fourthly, cutting the flocculus to obtain the finished product.
According to the manufacturing method of the 3D three-dimensional polyester long-fiber down-like thermal insulation cotton, the speed of the interlaced filament in the second step is 8-12 m/min of lapping, 7-11 m/min of bottom curtain and 23-27 m/min of inclined curtain.
According to the manufacturing method of the 3D polyester long fiber down-like thermal insulation cotton, the temperature of each layer of the cylinder oven is 125-135 ℃ when heating and shaping is carried out, the temperature of the middle net is 120-130 ℃, the temperature of the bottom net is 115-125 ℃, and the heating time is 3-5 min.
Advantageous effects
The beneficial effects of the invention are as follows:
(1) The 3D three-dimensional polyester long fiber eiderdown-like thermal insulation cotton disclosed by the invention uses the polyester long fiber as a raw material, so that the polyester long fiber is not easy to tear or generate a block shape due to displacement in the use process;
(2) According to the 3D three-dimensional polyester long-fiber down-like thermal insulation cotton, due to the special structure of the hollow polyester long fibers, a large amount of air can be kept in the long-fiber filling material, so that a lasting and efficient thermal insulation effect is achieved; meanwhile, the product has super compression recovery, and can keep high recovery rate and keep the fluffiness of the product after repeated compression;
(3) The 3D polyester long-fiber eiderdown-like thermal insulation cotton disclosed by the invention has good water washing resistance, is fluffy when washed more and is comparable with down, has good thermal insulation effect and does not drill cotton; in addition, the production method of the 3D polyester long-fiber down-like warm-keeping cotton is simple and convenient, and is suitable for large-scale popularization.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Example 1
The embodiment provides 3D three-dimensional polyester long fiber down-like thermal cotton, which is manufactured by processing 40kg of regenerated polyester long fiber and 60kg of regenerated hollow polyester long fiber; the regenerated polyester long fiber is a 3D multiplied by 64 mm silicon-free polyester long fiber, and the regenerated hollow polyester long fiber is a 3D multiplied by 64 mm silicon-free hollow polyester long fiber.
A preparation method of 3D polyester long fiber down-like warm-keeping cotton comprises the following steps:
step 1, mixing the regenerated polyester long fibers and the regenerated hollow polyester long fibers according to the weight ratio, and then opening the mixture, wherein the opening process enables the regenerated polyester long fibers and the regenerated hollow polyester long fibers to be fully and uniformly mixed to obtain mixed fibers;
step 2, performing pan head treatment on the mixed fibers, interlacing filaments into a net by a reciprocating forming machine after pan head treatment, wherein the net forming speed is 8m/min of net laying, 7m/min of bottom curtain and 23m/min of inclined curtain; paving the net-shaped down-like warm-keeping cotton with required weight and thickness;
step 3, feeding the mesh-like down thermal insulation cotton into a cylinder oven, heating and shaping, wherein the temperature of each layer of the cylinder oven is 125 ℃ of upper net, 120 ℃ of middle net and 115 ℃ of bottom net, and the heating time is as follows: 5min, forming flocculus;
and 4, cutting the flakes to obtain the finished product.
Example 2
The embodiment provides 3D three-dimensional polyester long fiber down-like thermal cotton, which is manufactured by processing 45kg of regenerated polyester long fiber and 55kg of regenerated hollow polyester long fiber; the regenerated polyester long fiber is a 3D multiplied by 64 mm silicon-free polyester long fiber, and the regenerated hollow polyester long fiber is a 3D multiplied by 64 mm silicon-free hollow polyester long fiber.
A preparation method of 3D polyester long fiber down-like warm-keeping cotton comprises the following steps:
step 1, mixing the regenerated polyester long fibers and the regenerated hollow polyester long fibers according to the weight ratio, and then opening the mixture, wherein the opening process enables the regenerated polyester long fibers and the regenerated hollow polyester long fibers to be fully and uniformly mixed to obtain mixed fibers;
step 2, performing pan head treatment on the mixed fibers, interlacing filaments into a net by a reciprocating forming machine after pan head treatment, wherein the net forming speed is 9m/min of net laying, 9m/min of bottom curtain and 24m/min of inclined curtain; paving the net-shaped down-like warm-keeping cotton with required weight and thickness;
step 3, feeding the mesh-like down thermal insulation cotton into a cylinder oven, heating and shaping, wherein the temperature of each layer of the cylinder oven is 128 ℃ for surfing the net, 123 ℃ for middling, 118 ℃ for bottom net, and heating time is as follows: 4min, forming flocculus;
and 4, cutting the flakes to obtain the finished product.
Example 3
The embodiment provides 3D three-dimensional polyester long fiber down-like thermal cotton, which is manufactured by processing 50kg of regenerated polyester long fibers and 50kg of regenerated hollow polyester long fibers; the regenerated polyester long fiber is a 3D multiplied by 64 mm silicon-free polyester long fiber, and the regenerated hollow polyester long fiber is a 3D multiplied by 64 mm silicon-free hollow polyester long fiber.
A preparation method of 3D polyester long fiber down-like warm-keeping cotton comprises the following steps:
step 1, mixing the regenerated polyester long fibers and the regenerated hollow polyester long fibers according to the weight ratio, and then opening the mixture, wherein the opening process enables the regenerated polyester long fibers and the regenerated hollow polyester long fibers to be fully and uniformly mixed to obtain mixed fibers;
step 2, performing pan head treatment on the mixed fibers, interlacing filaments into a net by a reciprocating forming machine after pan head treatment, wherein the net forming speed is 10m/min of net laying, 9m/min of bottom curtain and 25m/min of inclined curtain; paving the net-shaped down-like warm-keeping cotton with required weight and thickness;
step 3, feeding the mesh-like down thermal insulation cotton into a cylinder oven, heating and shaping, wherein the temperature of each layer of the cylinder oven is 130 ℃ of the upper net, 125 ℃ of the middle net and 120 ℃ of the bottom net, and the heating time is as follows: 4min, forming flocculus;
and 4, cutting the flakes to obtain the finished product.
Example 4
The embodiment provides 3D three-dimensional polyester long fiber down-like warm-keeping cotton, which is manufactured by processing 55kg of regenerated polyester long fiber and 45kg of regenerated hollow polyester long fiber; the regenerated polyester long fiber is a 3D multiplied by 64 mm silicon-free polyester long fiber, and the regenerated hollow polyester long fiber is a 3D multiplied by 64 mm silicon-free hollow polyester long fiber.
A preparation method of 3D polyester long fiber down-like warm-keeping cotton comprises the following steps:
step 1, mixing the regenerated polyester long fibers and the regenerated hollow polyester long fibers according to the weight ratio, and then opening the mixture, wherein the opening process enables the regenerated polyester long fibers and the regenerated hollow polyester long fibers to be fully and uniformly mixed to obtain mixed fibers;
step 2, performing pan head treatment on the mixed fibers, interlacing filaments into a net by a reciprocating forming machine after pan head treatment, wherein the net forming speed is 10m/min for net laying, 10m/min for bottom curtain and 26m/min for inclined curtain; paving the net-shaped down-like warm-keeping cotton with required weight and thickness;
step 3, feeding the mesh-like down thermal insulation cotton into a cylinder oven, heating and shaping, wherein the temperature of each layer of the cylinder oven is 132 ℃ for surfing, 128 ℃ for middling and 122 ℃ for bottom screen, and the heating time is as follows: 4min, forming flocculus;
and 4, cutting the flakes to obtain the finished product.
Example 5
The embodiment provides 3D three-dimensional polyester long fiber down-like thermal cotton, which is manufactured by processing 60kg of regenerated polyester long fiber and 40kg of regenerated hollow polyester long fiber; the regenerated polyester long fiber is a 3D multiplied by 64 mm silicon-free polyester long fiber, and the regenerated hollow polyester long fiber is a 3D multiplied by 64 mm silicon-free hollow polyester long fiber.
A preparation method of 3D polyester long fiber down-like warm-keeping cotton comprises the following steps:
step 1, mixing the regenerated polyester long fibers and the regenerated hollow polyester long fibers according to the weight ratio, and then opening the mixture, wherein the opening process enables the regenerated polyester long fibers and the regenerated hollow polyester long fibers to be fully and uniformly mixed to obtain mixed fibers;
step 2, performing pan head treatment on the mixed fibers, interlacing filaments into a net by a reciprocating forming machine after pan head treatment, wherein the net forming speed is 12m/min of net laying, 11m/min of bottom curtain and 27m/min of inclined curtain; paving the net-shaped down-like warm-keeping cotton with required weight and thickness;
step 3, feeding the mesh-like down thermal insulation cotton into a cylinder oven, heating and shaping, wherein the temperature of each layer of the cylinder oven is 135 ℃ for surfing the net, 130 ℃ for middling the net, 125 ℃ for heating time: 3min, forming flocculus;
and 4, cutting the flakes to obtain the finished product.
Comparative example: the difference from example 3 is that: the down-like thermal cotton was opened by mixing 50kg of 0.8DX38mm polyester fiber, 30kg of 1.2DX38mm hollow polyester fiber, and 20kg of 4DX51mm low-melting-point fiber (4080 fiber).
The down-like thermal insulation cotton prepared in the examples 1-5 and the comparative example is tested to detect the water washing resistance, thermal insulation property and no cotton penetration, wherein the water washing resistance indexes including water temperature, dimensional change (longitudinal) and dimensional change (transverse) are tested according to the experimental method of dimensional change of AATCC135-2015 textiles after home washing; the heat-insulating performance indexes, including the gram weight and the CLO value, are tested according to an ASTMD1518-2014 textile material heat transfer performance test method; elasticity indicators, including average elongation, deformation, recovery, were all tested according to ASTM D3107-2007; the test results are shown in the following table:
table 1 test results
From the table, the 3D polyester long fiber eiderdown warm-keeping prepared by the invention has good water-washing resistance and elasticity, and the warm-keeping property can be compared with that of eiderdown cotton.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1.3D three-dimensional polyester long fiber eiderdown imitation thermal insulation cotton is characterized by comprising the following components in percentage by weight: 40-60% of regenerated polyester long fibers and 40-60% of regenerated hollow polyester long fibers.
2. The 3D stereoscopic polyester long fiber eiderdown-like thermal insulation cotton according to claim 1, wherein the regenerated polyester long fiber is a 3d×64 mm silicon-free polyester long fiber, and the regenerated hollow polyester long fiber is a 3d×64 mm silicon-free hollow polyester long fiber.
3. The method for preparing the 3D polyester long fiber down-like thermal insulation cotton as claimed in claim 1, which is characterized by comprising the following steps:
step one, mixing regenerated polyester long fibers and regenerated hollow polyester long fibers in proportion, and then opening, wherein the opening process enables the regenerated polyester long fibers and the regenerated hollow polyester long fibers to be fully and uniformly mixed to obtain mixed fibers;
step two, performing pan head treatment on the mixed fibers, interlacing filaments into a net by a reciprocating forming machine after pan head treatment, and paving the net-shaped eiderdown-like thermal insulation cotton with required weight and thickness;
step three, feeding the net-shaped down-like warm-keeping cotton into a cylinder oven, and heating and shaping to form flocculus;
and fourthly, cutting the flocculus to obtain the finished product.
4. The method for manufacturing the 3D stereoscopic polyester long-fiber down-like thermal insulation cotton according to claim 3, wherein the speed of interlacing the filaments in the second step is 8-12 m/min of lapping, 7-11 m/min of bottom curtain and 23-27 m/min of inclined curtain.
5. The method for manufacturing the 3D stereoscopic polyester long-fiber down-like thermal insulation cotton according to claim 3, wherein the temperature of each layer of a cylinder oven is 125-135 ℃ when heating and shaping in the third step, 120-130 ℃ of a middle net, 115-125 ℃ of a bottom net and heating time is 3-5 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310846715.8A CN116926782A (en) | 2023-07-11 | 2023-07-11 | 3D polyester long-fiber down-like warm-keeping cotton and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310846715.8A CN116926782A (en) | 2023-07-11 | 2023-07-11 | 3D polyester long-fiber down-like warm-keeping cotton and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN116926782A true CN116926782A (en) | 2023-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310846715.8A Pending CN116926782A (en) | 2023-07-11 | 2023-07-11 | 3D polyester long-fiber down-like warm-keeping cotton and preparation method thereof |
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| Country | Link |
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| CN (1) | CN116926782A (en) |
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2023
- 2023-07-11 CN CN202310846715.8A patent/CN116926782A/en active Pending
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