CN112323505A - Bidirectional prestressed stretch film structure material and manufacturing method thereof - Google Patents
Bidirectional prestressed stretch film structure material and manufacturing method thereof Download PDFInfo
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- CN112323505A CN112323505A CN202011200077.5A CN202011200077A CN112323505A CN 112323505 A CN112323505 A CN 112323505A CN 202011200077 A CN202011200077 A CN 202011200077A CN 112323505 A CN112323505 A CN 112323505A
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- base cloth
- coating
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- fan
- treatment
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 title claims abstract description 21
- 229920006302 stretch film Polymers 0.000 title claims abstract description 17
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 59
- 238000000576 coating method Methods 0.000 claims abstract description 59
- 238000004381 surface treatment Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000009941 weaving Methods 0.000 claims abstract description 8
- 239000004744 fabric Substances 0.000 claims description 67
- 239000007788 liquid Substances 0.000 claims description 27
- 238000003756 stirring Methods 0.000 claims description 27
- 238000001035 drying Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000003431 cross linking reagent Substances 0.000 claims description 6
- 230000037452 priming Effects 0.000 claims description 6
- 238000007654 immersion Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 10
- 239000012535 impurity Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0006—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using woven fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C3/00—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a method for manufacturing a bidirectional prestressed stretch film structure material, which comprises the following steps: A. warping; B. weaving; C. unreeling; D. primary stretching; E. bottom coating on the back side; F. secondary stretching; G. primary flattening and cooling; H. coating the front surface with a base coat; I. stretching for three times; J. coating the reverse side; K. stretching for four times; l, coating the front surface; m, five times of stretching; n, secondary flattening and cooling; and O, surface treatment.
Description
Technical Field
The invention relates to the technical field of film material production, in particular to a bidirectional prestressed stretch film structure material and a manufacturing method thereof.
Background
The stretch film is a film with special properties, has large extensibility and enough strength, and has good stretching elasticity and elastic tension. The stretched film in the prior art has poor quality, is easy to crack in the using process and has poor product quality. Therefore, it is necessary to design a biaxially oriented prestressed stretch film structure material and a manufacturing method thereof.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a manufacturing method of a bidirectional prestressed stretch film structure material.
The invention provides a method for manufacturing a bidirectional prestressed stretch film structure material, which is characterized by comprising the following steps of:
A. warping: purchasing the existing yarns in the market, warping the yarns through a warping machine, and giving each yarn a pretension force;
B. weaving: weaving the warped yarns by a loom to form base cloth;
C. unreeling: paying out the coiled base cloth under the condition of certain tension;
D. primary stretching: stretching the base cloth;
E. reverse side priming: coating a base coat crosslinking agent on one surface of the base cloth, wherein the coating thickness is 0.05-0.10 mm;
F. and (3) secondary stretching: stretching the base cloth subjected to reverse-side primary coating;
G. primary flattening and cooling: the base cloth after the biaxial tension is integrally flattened and cooled to room temperature;
H. front surface priming: coating a bottom coating cross-linking agent on the other surface of the base fabric, wherein the coating thickness is 0.03-0.06 mm;
I. stretching for three times: stretching the base cloth subjected to front-surface primary coating;
J. coating the back surface: carrying out surface coating on the surface of the base cloth subjected to reverse-surface primary coating to form a reverse-surface film, wherein the coating thickness is 0.15-0.25 mm;
K. and (3) stretching for four times: stretching the base cloth coated on the reverse side;
l, front surface coating: performing surface coating on the surface of the base cloth subjected to the front surface primary coating to form a front surface film, wherein the coating thickness is 0.12-0.18 mm;
m, five times of stretching: stretching the base cloth coated with the front surface;
n, secondary flattening and cooling: the stretched base cloth is integrally flattened and cooled to room temperature;
o, surface treatment: the substrate is subjected to immersion surface treatment by a surface treatment device, and the treatment speed is 5-10M/min.
Surface treatment device includes the box, inside feed liquid storehouse and the stoving storehouse of being provided with of box, be provided with the treatment fluid in the feed liquid storehouse, feed liquid storehouse top is provided with the treatment fluid entry, treatment fluid entry bottom welded fastening has the filter screen, the inside a plurality of registration rollers that are used for fixing a position base cloth that are provided with of box, the base cloth import and export has been seted up to the box lateral wall, the box is connected with complementary unit and stoving mechanism.
The auxiliary mechanism is including setting up the servo motor in the box inside, the coaxial gear shaft that is fixed with of servo motor output shaft, the coaxial welded fastening of gear shaft has the driving gear, the driving gear meshing has two driven gear, two the equal coaxial welded fastening of driven gear has the pivot, the coaxial welded fastening of pivot has the stirring roller, stirring roller symmetry welded fastening has the stirring board.
Drying mechanism includes that coaxial welding fixes the first band pulley on the gear shaft, be provided with the rubber tape on the first band pulley, the rubber tape cooperation has the second band pulley, second band pulley coaxial weld is fixed with the fan pivot, fan pivot welded fastening has fan blade, the inside fan bracket that is provided with of box, the fan pivot rotates in fan bracket, be fixed with two heating pipes in the stoving storehouse.
The structure of box is square, the treatment fluid entry is the round platform, filter screen mesh number is 100, feed liquid storehouse inner wall is provided with the anticorrosion coating.
Stirring cylinder and stirring board all adopt stainless steel material to make, the base cloth sets up between two stirring cylinder, servo motor is rated power 0.75kW, model Y80M 1-2's motor.
The heating pipe is arranged between the fan and the base cloth, and the type of the heating pipe is LO-PO.
The stirring roller is driven to rotate through the servo motor, the stirring plate is driven to rotate, the treatment liquid can be stirred, the treatment effect of the base cloth is ensured, the use effect of the device can be enhanced, and the production efficiency is improved.
Through set up the filter screen at the treatment fluid entry, can filter impurity, avoid impurity to enter into the processing that the feed liquid storehouse influences the base cloth, improved the efficiency and the quality that the base cloth was handled, improved workman's work efficiency, satisfy the needs of production.
Air in the drying bin is heated through the two heating pipes, then the base cloth is dried through the fan, one process is saved, the base cloth is affected to the minimum degree after treatment, and the treatment quality is guaranteed.
The biaxially oriented prestressed stretch film structural material is characterized by being manufactured by the manufacturing method of the biaxially oriented stretch film structural material.
Compared with the prior art, the invention has the advantages that: the invention comprises the following steps of warping, weaving, unreeling, primary stretching, back-side primary coating, secondary stretching, primary flattening cooling, front-side primary coating, tertiary stretching, back-side surface coating, four-time stretching and front-side surface coating: the manufacturing method comprises the steps of five times of stretching, secondary flattening cooling, surface treatment and the like, so that the bidirectional prestressed stretch film structure material can be manufactured, and meanwhile, the manufacturing method is matched with a specially designed surface treatment device for use, so that the stretch film structure material can be ensured to obtain required use performance, the breakage is not easy to occur, and the product quality is good.
Drawings
FIG. 1 is a schematic view of the steps of the present manufacturing method.
Fig. 2 is a schematic structural view of the surface treatment apparatus.
FIG. 3 is a sectional view taken along the line A-A of the surface treating apparatus.
FIG. 4 is a sectional view taken along the line B-B of the surface treating apparatus.
In the figure: the device comprises a box body 1, a base cloth 2, a treatment liquid inlet 3, a filter screen 4, a positioning roller 5, a feed liquid cabin 6, a treatment liquid 7, a stirring roller 8, a stirring plate 9, a rotating shaft 10, a heating pipe 11, fan blades 12, a fan rotating shaft 13, a drying cabin 14, a servo motor 15, a gear shaft 16, a first belt wheel 17, a rubber belt 18, a driving gear 19, a driven gear 20, a second belt wheel 21 and a fan bracket 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, the method for manufacturing the biaxially oriented film structural material comprises the following steps:
A. warping: purchasing the existing yarns in the market, warping the yarns through a warping machine, and giving each yarn a pretension force;
B. weaving: weaving the warped yarns by a loom to form base cloth;
C. unreeling: paying out the coiled base cloth under the condition of certain tension;
D. primary stretching: stretching the base cloth;
E. reverse side priming: coating a base coat crosslinking agent on one surface of the base cloth, wherein the coating thickness is 0.05-0.10 mm; in the present embodiment;
F. and (3) secondary stretching: stretching the base cloth subjected to reverse-side primary coating;
G. primary flattening and cooling: the base cloth after the biaxial tension is integrally flattened and cooled to room temperature;
H. front surface priming: coating a bottom coating cross-linking agent on the other surface of the base fabric, wherein the coating thickness is 0.03-0.06 mm; in this example, the coating thickness was 0.04 mm;
I. stretching for three times: stretching the base cloth subjected to front-surface primary coating;
J. coating the back surface: carrying out surface coating on the surface of the base cloth subjected to reverse-surface primary coating to form a reverse-surface film, wherein the coating thickness is 0.15-0.25 mm; in this example, the coating thickness was 0.18 mm;
K. and (3) stretching for four times: stretching the base cloth coated on the reverse side;
l, front surface coating: performing surface coating on the surface of the base cloth subjected to the front surface primary coating to form a front surface film, wherein the coating thickness is 0.12-0.18 mm; in this example, the coating thickness was 0.14 mm;
m, five times of stretching: stretching the base cloth coated with the front surface;
n, secondary flattening and cooling: the stretched base cloth is integrally flattened and cooled to room temperature;
o, surface treatment: the substrate is subjected to an immersion surface treatment by a surface treatment device at a treatment rate of 5-10M/min, in this example, 6M/min.
Referring to fig. 2-4, the surface treatment device comprises a box body 1 and base cloth 2, a feed liquid bin 6 and a drying bin 14 are arranged inside the box body 1, treatment liquid 7 is arranged in the feed liquid bin 6, a treatment liquid inlet 3 is arranged at the top of the feed liquid bin 6, a filter screen 4 is welded and fixed at the bottom of the treatment liquid inlet 3, a plurality of positioning rollers 5 used for positioning the base cloth 2 are arranged inside the box body 1, the side wall of the box body 1 is provided with an inlet and an outlet of the base cloth 2, and the box body 1 is connected with an auxiliary mechanism and a drying mechanism. The filter screen 4 is arranged at the treatment liquid inlet 3, so that impurities can be filtered, the impurities are prevented from entering the material liquid bin 6 to influence the treatment of the base cloth 2, the treatment efficiency and quality of the base cloth 2 are improved, the working efficiency of workers is improved, and the production requirement is met; in this example, the treatment solution was a commercially available product.
The auxiliary mechanism is including setting up servo motor 15 in box 1 inside, and the coaxial gear shaft 16 that is fixed with of 15 output shafts of servo motor, and the coaxial welded fastening of gear shaft 16 has driving gear 19, and driving gear 19 meshes has two driven gear 20, and two driven gear 20 equal coaxial welded fastening have pivot 10, and pivot 10 coaxial welded fastening has stirring cylinder 8, and stirring cylinder 8 symmetry welded fastening has stirring board 9. Drive stirring cylinder 8 through servo motor 15 and rotate, drive stirring board 9 and rotate, can stir treatment fluid 7, ensure the treatment effect of base cloth 2, can strengthen the result of use of device, improve production efficiency.
Drying mechanism includes coaxial welded fastening's first band pulley 17 on gear shaft 16, is provided with rubber belt 18 on the first band pulley 17, and rubber belt 18 cooperates there is second band pulley 21, and second band pulley 21 coaxial welded fastening has fan shaft 13, and fan shaft 13 welded fastening has fan blade 12, and box 1 is inside to be provided with fan bracket 22, and fan shaft 13 rotates in fan bracket 22, is fixed with two heating pipes 11 in the storehouse of drying 14. Air in the drying bin 14 is heated through the two heating pipes 11, then the base cloth 2 is dried through the fan, one process is saved, the base cloth 2 after treatment can be affected to the minimum degree, and the treatment quality is guaranteed.
The structure of box 1 is square, and treatment fluid entry 3 is the round platform, and filter screen 4 mesh number is 100, and feed liquor storehouse 6 inner wall is provided with the anticorrosion coating, and stirring barrel 8 and stirring board 9 all adopt stainless steel to make, and base cloth 2 sets up between two stirring barrel 8, and servo motor 15 is rated power 0.75kW, model Y80M 1-2's motor, and heating pipe 11 is between fan and base cloth 2, and heating pipe 11 model is LO-PO.
The working principle is as follows: firstly, clear up feed liquor storehouse 6, prevent that remaining treatment fluid from influencing base cloth 2 before, then twine base cloth 2 on a plurality of registration roller 5, link to each other with the production line, pour into treatment fluid 7 through treatment fluid entry 3, at this moment, accomplished the preparation work of device.
At this moment, the production line starts to run, the servo motor 15 and the heating pipe 11 are started, the servo motor 15 rotates to drive the gear shaft 16 to rotate, the driving gear 19 is driven to rotate, the two driven gears 20 are driven to rotate through meshing, the rotating shaft 10 is driven to rotate, the stirring roller 8 also rotates along with the gear shaft, the stirring plate 9 is driven to rotate, the treatment liquid 7 is made to move, and the treatment is more sufficient. After the base cloth 2 passes through the material liquid bin 6 and enters the drying bin 14, the gear shaft 16 drives the first belt pulley 17 to rotate, the rubber belt 18 moves along with the first belt pulley, so that the second belt pulley 21 is driven to rotate, the fan rotating shaft 13 is driven to rotate, the fan blades 12 are driven to rotate, the heating pipe 11 heats air in the drying bin 14, and hot air is blown to the base cloth 2 through the fan to be dried.
The bidirectional prestressed stretch film structure material is manufactured by the manufacturing method of the bidirectional prestressed stretch film structure material.
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 (7)
1. A manufacturing method of a bidirectional prestressed stretch film structure material is characterized by comprising the following steps:
A. warping: purchasing the existing yarns in the market, warping the yarns through a warping machine, and giving each yarn a pretension force;
B. weaving: weaving the warped yarns by a loom to form base cloth;
C. unreeling: paying out the coiled base cloth under the condition of certain tension;
D. primary stretching: stretching the base cloth;
E. reverse side priming: coating a base coat crosslinking agent on one surface of the base cloth, wherein the coating thickness is 0.05-0.10 mm;
F. and (3) secondary stretching: stretching the base cloth subjected to reverse-side primary coating;
G. primary flattening and cooling: the base cloth after the biaxial tension is integrally flattened and cooled to room temperature;
H. front surface priming: coating a bottom coating cross-linking agent on the other surface of the base fabric, wherein the coating thickness is 0.03-0.06 mm;
I. stretching for three times: stretching the base cloth subjected to front-surface primary coating;
J. coating the back surface: carrying out surface coating on the surface of the base cloth subjected to reverse-surface primary coating to form a reverse-surface film, wherein the coating thickness is 0.15-0.25 mm;
K. and (3) stretching for four times: stretching the base cloth coated on the reverse side;
l, front surface coating: performing surface coating on the surface of the base cloth subjected to the front surface primary coating to form a front surface film, wherein the coating thickness is 0.12-0.18 mm;
m, five times of stretching: stretching the base cloth coated with the front surface;
n, secondary flattening and cooling: the stretched base cloth is integrally flattened and cooled to room temperature;
o, surface treatment: the substrate is subjected to immersion surface treatment by a surface treatment device, and the treatment speed is 5-10M/min.
2. The manufacturing method of the biaxially oriented prestressed stretch film structural material according to claim 1, wherein the surface treatment device comprises a box body, a feed liquid bin and a drying bin are arranged inside the box body, treatment liquid is arranged in the feed liquid bin, a treatment liquid inlet is arranged at the top of the feed liquid bin, a filter screen is welded and fixed at the bottom of the treatment liquid inlet, a plurality of positioning rollers for positioning base cloth are arranged inside the box body, an inlet and an outlet of the base cloth are formed in the side wall of the box body, and the box body is connected with an auxiliary mechanism and a drying mechanism. .
3. The method according to claim 2, wherein the auxiliary mechanism comprises a servo motor disposed inside the housing, a gear shaft is coaxially fixed to an output shaft of the servo motor, a driving gear is coaxially welded and fixed to the gear shaft, the driving gear is engaged with two driven gears, a rotating shaft is coaxially welded and fixed to each of the two driven gears, a stirring drum is coaxially welded and fixed to each of the rotating shafts, and stirring plates are symmetrically welded and fixed to each of the stirring drums.
4. The method as claimed in claim 2, wherein the drying mechanism includes a first pulley coaxially welded to the gear shaft, the first pulley is provided with a rubber belt, the rubber belt is engaged with a second pulley, the second pulley is coaxially welded to a fan shaft, the fan shaft is welded to a fan blade, a fan bracket is provided inside the case, the fan shaft rotates in the fan bracket, and the drying chamber is fixed with two heating pipes.
5. The method for manufacturing the biaxially oriented prestressed stretch film structural material according to claim 1, wherein the box body has a square structure, the treatment liquid inlet is a circular truncated cone, the number of the filter meshes is 100, and the inner wall of the feed liquid bin is provided with an anti-corrosion coating.
6. The method of claim 3, wherein the stirring rollers and the stirring plate are made of stainless steel, the base cloth is disposed between the two stirring rollers, and the servo motor is a motor with a rated power of 0.75kW and a model Y80M 1-2.
7. The method of claim 1, wherein the heater tube is located between the fan and the base fabric, and wherein the heater tube is LO-PO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011200077.5A CN112323505A (en) | 2020-10-30 | 2020-10-30 | Bidirectional prestressed stretch film structure material and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011200077.5A CN112323505A (en) | 2020-10-30 | 2020-10-30 | Bidirectional prestressed stretch film structure material and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN112323505A true CN112323505A (en) | 2021-02-05 |
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| CN202011200077.5A Pending CN112323505A (en) | 2020-10-30 | 2020-10-30 | Bidirectional prestressed stretch film structure material and manufacturing method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102465402A (en) * | 2010-11-10 | 2012-05-23 | 北京紫光元恒科技有限公司 | Method for preparing polyester filament yarn base cloth |
| CN106988126A (en) * | 2017-04-05 | 2017-07-28 | 浙江宏泰新材料有限公司 | A kind of two dimension prestressing stretching membrane structure material and its manufacture method |
| WO2017185533A1 (en) * | 2016-04-25 | 2017-11-02 | 中国科学院化学研究所 | Biaxially oriented polymer film, preparation method therefor, and application thereof |
| CN210368261U (en) * | 2019-05-28 | 2020-04-21 | 湖州诚鑫纺织印染有限公司 | Low-temperature dyeing and finishing device for polyester silk-like fabric |
| CN210737108U (en) * | 2019-10-08 | 2020-06-12 | 上海技悠纺织品有限公司 | High-efficient printing and dyeing device of fabrics |
-
2020
- 2020-10-30 CN CN202011200077.5A patent/CN112323505A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102465402A (en) * | 2010-11-10 | 2012-05-23 | 北京紫光元恒科技有限公司 | Method for preparing polyester filament yarn base cloth |
| WO2017185533A1 (en) * | 2016-04-25 | 2017-11-02 | 中国科学院化学研究所 | Biaxially oriented polymer film, preparation method therefor, and application thereof |
| CN106988126A (en) * | 2017-04-05 | 2017-07-28 | 浙江宏泰新材料有限公司 | A kind of two dimension prestressing stretching membrane structure material and its manufacture method |
| CN210368261U (en) * | 2019-05-28 | 2020-04-21 | 湖州诚鑫纺织印染有限公司 | Low-temperature dyeing and finishing device for polyester silk-like fabric |
| CN210737108U (en) * | 2019-10-08 | 2020-06-12 | 上海技悠纺织品有限公司 | High-efficient printing and dyeing device of fabrics |
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Application publication date: 20210205 |
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