CN113605101A - Preparation method of imitated acetate fiber polyester fabric for medical easily-torn adhesive tape - Google Patents
Preparation method of imitated acetate fiber polyester fabric for medical easily-torn adhesive tape Download PDFInfo
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- CN113605101A CN113605101A CN202110927318.4A CN202110927318A CN113605101A CN 113605101 A CN113605101 A CN 113605101A CN 202110927318 A CN202110927318 A CN 202110927318A CN 113605101 A CN113605101 A CN 113605101A
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- 239000004744 fabric Substances 0.000 title claims abstract description 74
- 229920000728 polyester Polymers 0.000 title claims abstract description 64
- 229920006221 acetate fiber Polymers 0.000 title claims abstract description 29
- 239000002390 adhesive tape Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 238000009941 weaving Methods 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 22
- 238000001035 drying Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 12
- 125000002091 cationic group Chemical group 0.000 claims abstract description 8
- 238000004804 winding Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- 125000000542 sulfonic acid group Chemical group 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 230000001954 sterilising effect Effects 0.000 claims description 14
- 238000004026 adhesive bonding Methods 0.000 claims description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 9
- 238000004659 sterilization and disinfection Methods 0.000 claims description 8
- 150000001768 cations Chemical class 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 6
- 239000003599 detergent Substances 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 3
- 239000004831 Hot glue Substances 0.000 claims description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- 239000000047 product Substances 0.000 claims 6
- 239000012467 final product Substances 0.000 claims 1
- 238000002203 pretreatment Methods 0.000 claims 1
- 239000001913 cellulose Substances 0.000 abstract description 3
- 229920002678 cellulose Polymers 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 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
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
- D03D13/008—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft characterised by weave density or surface weight
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/30—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the fibres or filaments
- D03D15/37—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the fibres or filaments with specific cross-section or surface shape
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
- D06H7/04—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials longitudinally
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- 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
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- 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
- D06N3/0015—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 fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0036—Polyester fibres
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- 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
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- 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
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2509/00—Medical; Hygiene
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Woven Fabrics (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a preparation method of an acetate-like polyester fabric for a medical easily-torn adhesive tape, which comprises the following steps of; preparing raw materials, namely selecting specially customized special-shaped polyester as a warp and weft yarn raw material of the acetate-like polyester fabric, slicing, drying, carrying out melt extrusion, cooling, solidifying, oiling, winding and forming; the cationic flat polyester yarn is characterized in that sulfonic acid groups are introduced in the preparation process of common polyester, so that the polyester yarn is low in strength and crystallinity and easy to dye, and has lower strength and higher glossiness compared with the common polyester yarn due to the special flat structure. Has the advantages that: the fabric not only achieves the hand feeling and the appearance similar to those of acetate fiber, but also has the strength and the air permeability similar to those of the acetate fiber; the invention designs a weaving process corresponding to the cellulose acetate-like polyester fabric, the strength of the cotton-like fabric after customizing raw materials, weaving and embrittling treatment is greatly reduced compared with that of the common polyester, and the polyester-like fabric is more suitable for being used as a raw material of a medical adhesive tape.
Description
Technical Field
The invention relates to a preparation method of an acetate-like polyester fabric for a medical easily-torn adhesive tape.
Background
The imitated acetate fiber polyester fabric is made by selecting a specially prepared polyester raw material, weaving process different from that of acetate fiber, and embrittling treatment in the printing and dyeing process, wherein the embrittled imitated acetate fiber fabric has warp and weft tearing strength of 6-10N/dtex, so that the polyester fabric has softness, appearance and style similar to those of the acetate fiber fabric, compared with the weaving process of the acetate fiber fabric, the process flow is greatly reduced, the purposes of saving energy consumption and reducing production cost and raw material cost are achieved, and the imitated acetate fiber polyester fabric is beneficial to subsequent processing. The polyester cloth imitating the acetate fiber replaces the traditional acetate fiber cloth as the raw material of the medical adhesive tape, so that the hand feeling and the strength similar to those of the medical adhesive tape of the acetate fiber cloth can be obtained, the product cost of the medical adhesive tape is greatly reduced, and the requirements of the public are met.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a preparation method of an acetate-like polyester fabric for a medical easily-torn adhesive tape, so as to overcome the technical problems in the prior art.
Therefore, the invention adopts the following specific technical scheme:
a preparation method of an imitated acetate fiber polyester fabric for a medical easily-torn adhesive tape comprises the following steps;
s1, preparing raw materials, namely selecting specially customized special-shaped polyester as the warp and weft yarn raw materials of the acetate fiber-like polyester fabric, slicing, drying, carrying out melt extrusion, cooling, solidifying, oiling, winding and forming;
s2, cationic flat polyester yarns are adopted, sulfonic acid groups are introduced in the preparation process of common polyester yarns, so that the polyester yarns are low in strength and crystallinity and easy to dye, and the special flat structure enables the polyester yarns to have lower strength and higher glossiness than the common polyester yarns;
s3, the raw materials are used for facilitating a subsequent embrittlement process, the hand feeling similar to that of acetate fibers is kept, warp yarns adopt 100D/48F DTY flat cation network yarns, the gram weight is 94g/m, and weft yarns adopt 100D/48F DTY flat cation network yarns, the gram weight is 64.3 g/m;
s4, warping, beaming and slashing, using a warping slashing combination machine, winding at a speed of 180 m/min, wherein the length of a loom beam is 7500 m, the number of parallel shafts is 6, and after beaming, the loom can be woven on a machine through the parallel shafts;
s5, weaving on a machine: wherein the weaving weft insertion mode is air jet and water jet weft insertion, the speed of a weaving machine is 600r/min, the width of a finished product is 188cm, the warp and weft density is 42 multiplied by 30 pieces/cm, and the square gram weight is 85g/m2, so that a finished product gray fabric is obtained;
s6, pretreatment of embrittlement: cleaning the finished gray fabric before embrittlement, adding 15-25g/L alkali liquor, 3g/L detergent and 0.2g/L builder according to the water amount, heating to 100 ℃, preserving heat for 60min, draining after pretreatment and heat preservation, and rinsing with 60 ℃ water for three times to obtain rinsed gray fabric;
s7, embrittlement: putting the rinsed grey cloth into a jar, adding 30g/L acid liquor and 15g/L sodium sulfate according to the water amount, heating to 125 ℃, keeping the temperature for 30 minutes, discharging liquid after embrittlement, and rinsing with 60 ℃ water for three times;
s8, shaping and drying: in the shaping and drying process, drying and shaping are carried out at the temperature of 180 ℃, the vehicle speed of 35m/min and the overfeed amount of 5%, and the dried cloth is packaged and delivered out of a factory after quality inspection to obtain cotton-like cloth;
s9, slitting and gluing: cutting the embrittled cotton-like cloth, cutting a finished cotton-like cloth with the breadth of 180cm into the width of 88cm by using an automatic cutting machine, putting the cut cloth into a glue spreader for direct gluing, wherein white EVA hot melt adhesive is selected for glue solution, and the temperature of the gluing device is kept: the temperature of the oven is 135 ℃, the temperature of the pump is 130 ℃, the temperature of the rubber tube is 120 ℃, and the temperature of the coating head is 120 ℃;
s10, cutting and sterilizing: and cutting the glued cotton-like polyester cloth again according to the width of the adhesive tape, putting the cotton-like polyester cloth into an automatic cutting machine according to a preset requirement, cutting the cotton-like polyester cloth into finished products with the sizes of 1.25m multiplied by 5m and 2.5m multiplied by 4.5m, putting the finished products into a sterilization chamber, sterilizing the finished products for 30min by using ethylene oxide as a sterilization mode, and inspecting and packaging the sterilized finished products of the medical easy-to-tear adhesive tape to obtain the medical cotton-like easy-to-tear adhesive tape.
Preferably, the warp and weft yarns in the step S1 are made of flat cationic polyester filaments, and have a specification of 100D/48F, a warp yarn gram weight of 94g/m, and a weft yarn gram weight of 64.3 g/m.
Preferably, the weaving warp and weft density in the step S2 is 42 multiplied by 30, the finished product width is 188cm, and the square gram weight is 85g/m 2.
Preferably, the alkali solution used in the pretreatment in step S4 is sodium hydroxide.
Preferably, the detergent used in the pretreatment in step S4 is sodium dodecylbenzenesulfonate.
Preferably, the builder used for the pretreatment in step S4 is polyvinylpyrrolidone.
Preferably, the acid solution for embrittlement in step S5 is acetic acid.
Preferably, the gluing temperature in the step S7 is 135 ℃.
The invention has the beneficial effects that: through the steps of raw material selection, warp drafting, weaving on a machine, pretreatment of embrittlement, sizing and drying, slitting and gluing, slitting and sterilization and the like, the fabric not only achieves the hand feeling and the appearance similar to acetate fiber, but also has the strength and the air permeability similar to the acetate fiber; the invention designs a weaving process corresponding to the cellulose acetate-like polyester fabric, the strength of the cotton-like fabric after customizing raw materials, weaving and embrittling treatment is greatly reduced compared with that of the common polyester, and the cotton-like fabric is more suitable for being used as a raw material of a medical adhesive tape; compared with the preparation process of acetate fiber and silk, the acetate fiber-imitated cationic flat polyester filament has the advantages that the processing process is short, the subsequent weaving is easy, the processing difficulty and cost are greatly reduced, the effects of energy conservation and emission reduction are achieved, and the defects that the conventional medical easily-torn adhesive tape made of silk and acetate fiber is high in cost, complex in processing flow, high in energy consumption and the like are overcome.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic flow chart of a method for preparing an imitated acetate fiber polyester fabric for a medical easily-torn adhesive tape according to an embodiment of the invention;
fig. 2 is a second flow chart of a method for preparing an acetate-like polyester fabric for a medical tearable adhesive tape according to an embodiment of the present invention.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
According to the embodiment of the invention, a preparation method of an acetate-imitated polyester fabric for a medical easily-torn adhesive tape is provided.
The first embodiment;
as shown in fig. 1-2, the method for preparing an imitated acetate fiber polyester fabric for a medical easy-to-tear tape according to an embodiment of the invention comprises the following steps;
s1, preparing raw materials, namely selecting specially customized special-shaped polyester as the warp and weft yarn raw materials of the acetate-like polyester fabric, slicing, drying, carrying out melt extrusion, cooling, solidifying, oiling, winding and forming;
step S2, adopting cation flat polyester yarn, namely introducing sulfonic acid groups in the preparation process of common polyester, so that the polyester yarn has low strength and crystallinity and is easy to dye, and the special flat structure ensures that the polyester yarn has lower strength and higher glossiness than the common polyester yarn;
step S3, the raw materials are used to facilitate the subsequent embrittlement process, and simultaneously the hand feeling similar to that of acetate fiber is kept, wherein the warp adopts 100D/48F DTY flat cation network yarn, the gram weight is 94g/m, and the weft adopts 100D/48F DTY flat cation network yarn, the gram weight is 64.3 g/m;
step S4, warping, beaming and slashing, using a warping slashing combination machine, winding at a speed of 180 m/min, a beam length of 7500 m, and a beaming number of 6, and then weaving on a loom through a beam after beaming;
step S5, weaving on a machine: wherein the weaving weft insertion mode is air jet and water jet weft insertion, the speed of a weaving machine is 600r/min, the width of a finished product is 188cm, the warp and weft density is 42 multiplied by 30 pieces/cm, and the square gram weight is 85g/m2, so that a finished product gray fabric is obtained;
step S6, pretreatment for embrittlement: cleaning the finished gray fabric before embrittlement, adding 15-25g/L alkali liquor, 3g/L detergent and 0.2g/L builder according to the water amount, heating to 100 ℃, preserving heat for 60min, draining after pretreatment and heat preservation, and rinsing with 60 ℃ water for three times to obtain rinsed gray fabric;
step S7, embrittlement: putting the rinsed grey cloth into a jar, adding 30g/L acid liquor and 15g/L sodium sulfate according to the water amount, heating to 125 ℃, keeping the temperature for 30 minutes, discharging liquid after embrittlement, and rinsing with 60 ℃ water for three times;
step S8, shaping and drying: in the shaping and drying process, drying and shaping are carried out at the temperature of 180 ℃, the vehicle speed of 35m/min and the overfeed amount of 5%, and the dried cloth is packaged and delivered out of a factory after quality inspection to obtain cotton-like cloth;
step S9, slitting and gluing: cutting the embrittled cotton-like cloth, cutting a finished cotton-like cloth with the breadth of 180cm into the width of 88cm by using an automatic cutting machine, putting the cut cloth into a glue spreader for direct gluing, wherein white EVA hot melt adhesive is selected for glue solution, and the temperature of the gluing device is kept: the temperature of the oven is 135 ℃, the temperature of the pump is 130 ℃, the temperature of the rubber tube is 120 ℃, and the temperature of the coating head is 120 ℃;
step S10, slitting and sterilizing: and cutting the glued cotton-like polyester cloth again according to the width of the adhesive tape, putting the cotton-like polyester cloth into an automatic cutting machine according to a preset requirement, cutting the cotton-like polyester cloth into finished products with the sizes of 1.25m multiplied by 5m and 2.5m multiplied by 4.5m, putting the finished products into a sterilization chamber, sterilizing the finished products for 30min by using ethylene oxide as a sterilization mode, and inspecting and packaging the sterilized finished products of the medical easy-to-tear adhesive tape to obtain the medical cotton-like easy-to-tear adhesive tape.
The warp and weft yarn raw materials in the step S1 are flat cationic polyester filaments, the specification is 100D/48F, the gram weight of the warp yarn is 94g/m, and the gram weight of the weft yarn is 64.3 g/m.
The weaving warp and weft density in the step S2 is 42 multiplied by 30, the finished product width is 188cm, and the square gram weight is 85g/m 2.
The alkali liquor used in the pretreatment in the step S4 is sodium hydroxide.
The detergent used in the pretreatment in step S4 is sodium dodecylbenzenesulfonate.
The builder used for the pretreatment in step S4 is polyvinylpyrrolidone.
The acid solution for embrittlement in step S5 is acetic acid.
The gluing temperature in the step S7 is 135 ℃.
The warp and weft tearing strength of the easy-to-tear cloth after printing and dyeing treatment is controlled to be between 4 and 8N.
In conclusion, by means of the technical scheme, the fabric not only achieves the hand feeling and the appearance similar to acetate fibers, but also has the strength and the air permeability similar to the acetate fibers through the steps of raw material selection, warp drafting, weaving on a machine, pretreatment for embrittlement, sizing, drying, slitting and gluing, slitting and sterilization and the like; the invention designs a weaving process corresponding to the cellulose acetate-like polyester fabric, the strength of the cotton-like fabric after customizing raw materials, weaving and embrittling treatment is greatly reduced compared with that of the common polyester, and the cotton-like fabric is more suitable for being used as a raw material of a medical adhesive tape; compared with the preparation process of acetate fiber and silk, the acetate fiber-imitated cationic flat polyester filament has the advantages that the processing process is short, the subsequent weaving is easy, the processing difficulty and cost are greatly reduced, the effects of energy conservation and emission reduction are achieved, and the defects that the conventional medical easily-torn adhesive tape made of silk and acetate fiber is high in cost, complex in processing flow, high in energy consumption and the like are overcome.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A preparation method of an imitated acetate fiber polyester fabric for a medical easily-torn adhesive tape is characterized by comprising the following steps;
s1, preparing raw materials, namely selecting specially customized special-shaped polyester as the warp and weft yarn raw materials of the acetate fiber-like polyester fabric, slicing, drying, carrying out melt extrusion, cooling, solidifying, oiling, winding and forming;
s2, cationic flat polyester yarns are adopted, sulfonic acid groups are introduced in the preparation process of common polyester yarns, so that the polyester yarns are low in strength and crystallinity and easy to dye, and the special flat structure enables the polyester yarns to have lower strength and higher glossiness than the common polyester yarns;
s3, the raw materials are used for facilitating a subsequent embrittlement process, the hand feeling similar to that of acetate fibers is kept, warp yarns adopt 100D/48F DTY flat cation network yarns, the gram weight is 94g/m, and weft yarns adopt 100D/48F DTY flat cation network yarns, the gram weight is 64.3 g/m;
s4, warping, beaming and slashing, using a warping slashing combination machine, winding at a speed of 180 m/min, wherein the length of a loom beam is 7500 m, the number of parallel shafts is 6, and after beaming, the loom can be woven on a machine through the parallel shafts;
s5, weaving on a machine: wherein the weaving weft insertion mode is air jet and water jet weft insertion, the speed of a weaving machine is 600r/min, the width of a finished product is 188cm, the warp and weft density is 42 multiplied by 30 pieces/cm, and the square gram weight is 85g/m2, so that a finished product gray fabric is obtained;
s6, pretreatment of embrittlement: cleaning the finished gray fabric before embrittlement, adding 15-25g/L alkali liquor, 3g/L detergent and 0.2g/L builder according to the water amount, heating to 100 ℃, preserving heat for 60min, draining after pretreatment and heat preservation, and rinsing with 60 ℃ water for three times to obtain rinsed gray fabric;
s7, embrittlement: putting the rinsed grey cloth into a jar, adding 30g/L acid liquor and 15g/L sodium sulfate according to the water amount, heating to 125 ℃, keeping the temperature for 30 minutes, discharging liquid after embrittlement, and rinsing with 60 ℃ water for three times;
s8, shaping and drying: in the shaping and drying process, drying and shaping are carried out at the temperature of 180 ℃, the vehicle speed of 35m/min and the overfeed amount of 5%, and the dried cloth is packaged and delivered out of a factory after quality inspection to obtain cotton-like cloth;
s9, slitting and gluing: cutting the embrittled cotton-like cloth, cutting a finished cotton-like cloth with the breadth of 180cm into the width of 88cm by using an automatic cutting machine, putting the cut cloth into a glue spreader for direct gluing, wherein white EVA hot melt adhesive is selected for glue solution, and the temperature of the gluing device is kept: the temperature of the oven is 135 ℃, the temperature of the pump is 130 ℃, the temperature of the rubber tube is 120 ℃, and the temperature of the coating head is 120 ℃;
s10, cutting and sterilizing: and cutting the glued cotton-like polyester cloth again according to the width of the adhesive tape, putting the cotton-like polyester cloth into an automatic cutting machine according to a preset requirement, cutting the cotton-like polyester cloth into finished products with the sizes of 1.25m multiplied by 5m and 2.5m multiplied by 4.5m, putting the finished products into a sterilization chamber, sterilizing the finished products for 30min by using ethylene oxide as a sterilization mode, and inspecting and packaging the sterilized finished products of the medical easy-to-tear adhesive tape to obtain the medical cotton-like easy-to-tear adhesive tape.
2. The method of claim 1, wherein the warp and weft yarns in step S1 are made of flat cationic polyester filaments with a specification of 100D/48F, a warp yarn grammage of 94g/m, and a weft yarn grammage of 64.3 g/m.
3. The method of claim 1, wherein the weaving warp and weft density of the step S2 is 42 × 30, the final product width is 188cm, and the square gram weight is 85g/m 2.
4. The method for preparing imitated acetate fiber polyester fabric for medical easily torn adhesive tape, wherein the alkali solution used in the pre-treatment of step S4 is NaOH.
5. The method of claim 1, wherein the detergent used in the pretreatment of step S4 is sodium dodecylbenzenesulfonate.
6. The method of claim 1, wherein the builder used in the pretreatment of step S4 is polyvinylpyrrolidone.
7. The method of claim 1, wherein the embrittling acid solution of step S5 is acetic acid.
8. The method of claim 1, wherein the coating temperature in the step S7 is 135 ℃.
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