CN109971375B - Waterproof adhesive tape base material and gluing method - Google Patents
Waterproof adhesive tape base material and gluing method Download PDFInfo
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- CN109971375B CN109971375B CN201910301690.7A CN201910301690A CN109971375B CN 109971375 B CN109971375 B CN 109971375B CN 201910301690 A CN201910301690 A CN 201910301690A CN 109971375 B CN109971375 B CN 109971375B
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- base material
- adhesive tape
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- 239000000463 material Substances 0.000 title claims abstract description 48
- 239000002390 adhesive tape Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000004026 adhesive bonding Methods 0.000 title claims abstract description 7
- 239000000758 substrate Substances 0.000 claims abstract description 38
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 229920000642 polymer Polymers 0.000 claims abstract description 11
- 238000009832 plasma treatment Methods 0.000 claims abstract description 8
- 239000002585 base Substances 0.000 claims description 41
- 239000000203 mixture Substances 0.000 claims description 35
- 238000002156 mixing Methods 0.000 claims description 31
- 239000011248 coating agent Substances 0.000 claims description 26
- 238000000576 coating method Methods 0.000 claims description 26
- 239000000243 solution Substances 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 25
- 238000001035 drying Methods 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 19
- 239000000178 monomer Substances 0.000 claims description 17
- 239000000835 fiber Substances 0.000 claims description 12
- 238000002791 soaking Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 10
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 10
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 10
- 229920002674 hyaluronan Polymers 0.000 claims description 10
- 229960003160 hyaluronic acid Drugs 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- 229920001592 potato starch Polymers 0.000 claims description 10
- 230000010355 oscillation Effects 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 8
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 claims description 7
- HMZGPNHSPWNGEP-UHFFFAOYSA-N octadecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C(C)=C HMZGPNHSPWNGEP-UHFFFAOYSA-N 0.000 claims description 7
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 claims description 7
- 229920002972 Acrylic fiber Polymers 0.000 claims description 6
- 244000025254 Cannabis sativa Species 0.000 claims description 6
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 6
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 6
- 235000009120 camo Nutrition 0.000 claims description 6
- 235000005607 chanvre indien Nutrition 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- 239000011487 hemp Substances 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- 238000009941 weaving Methods 0.000 claims description 6
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 claims description 5
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 5
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical group [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 5
- 230000002378 acidificating effect Effects 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 5
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 5
- 239000007853 buffer solution Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000003999 initiator Substances 0.000 claims description 5
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 238000001291 vacuum drying Methods 0.000 claims description 5
- 239000003995 emulsifying agent Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 230000035699 permeability Effects 0.000 abstract description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 8
- 230000002209 hydrophobic effect Effects 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 abstract description 4
- 239000011148 porous material Substances 0.000 abstract description 4
- 239000004408 titanium dioxide Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000010936 titanium Substances 0.000 abstract description 3
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F289/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds not provided for in groups C08F251/00 - C08F287/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J151/02—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to polysaccharides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/21—Paper; Textile fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/04—Physical treatment combined with treatment with chemical compounds or elements
- D06M10/08—Organic compounds
- D06M10/10—Macromolecular compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1818—C13or longer chain (meth)acrylate, e.g. stearyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/20—Presence of organic materials
- C09J2400/26—Presence of textile or fabric
- C09J2400/263—Presence of textile or fabric in the substrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2451/00—Presence of graft polymer
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/26—Polymers or copolymers of unsaturated carboxylic acids or derivatives thereof
- D06M2101/28—Acrylonitrile; Methacrylonitrile
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Adhesive Tapes (AREA)
- Materials For Medical Uses (AREA)
Abstract
The invention relates to the technical field of medical adhesive tape production, in particular to a waterproof adhesive tape base material and a gluing method. The waterproof adhesive tape base material is of a double-layer structure and consists of a waterproof layer and a base layer, and the adhesive tape base material with good air permeability effect is obtained firstly; the tape substrate was then dipped in Ti (SO)4)2In the solution, the titanium dioxide is loaded in the adhesive tape base material, so that the antibacterial property of the base material can be improved, the subsequent air permeability can be ensured, the surface of the adhesive tape base material loaded with the titanium dioxide is subjected to plasma treatment, a large number of reaction groups are formed on the surface of the base material, then the amphiphilic polymer solution is coated on the surface of the base material, the hydrophilic end can be combined with the surface of the base material, and the hydrophobic end is arranged outside, so that the hydrophobic membrane is prepared. And the load of the nano titanium dioxide particles forms uniform part of pore diameters in the formed membrane after being heated at high temperature, and the pore diameters ensure waterproofness and have excellent air permeability.
Description
Technical Field
The invention relates to the technical field of medical adhesive tape production, in particular to a waterproof adhesive tape base material and a gluing method.
Background
After surgical operation, the medical instrument is wrapped by gauze, so that the medical instrument has good air permeability but no waterproof property; the latter mostly adopts a silica gel belt with air holes, and a layer of waterproof breathable film is attached to the outside of the silica gel belt, so the silica gel belt has the advantages of no sewing pain, waterproof performance and poor air permeability, because the non-porous area of the silica gel belt still occupies the main position and the air permeability is insufficient on the whole, and the attachment of the waterproof breathable film not only has complex working procedures, but also can block the air permeability to a certain extent, and can influence the healing of wounds after long-term use. Meanwhile, when the existing waterproof cloth has high waterproofness, the existing waterproof cloth cannot have air permeability and dirt resistance, so that the existing waterproof and air permeable medical adhesive tape still has the need of improvement.
Disclosure of Invention
In order to solve the technical problems, the invention provides a waterproof adhesive tape base material and a gluing method, so that the prepared adhesive tape has the effects of water resistance, air permeability and pollution resistance.
In order to solve the technical problems, the invention adopts the technical scheme that:
the waterproof adhesive tape base material is of a double-layer structure and consists of a waterproof layer and a base layer;
the specific preparation steps of the waterproof adhesive tape base material are as follows:
(1) mixing methacrylamide, stearyl methacrylate and propylene glycol methyl ether acetate, dissolving in isopropanol, adding an initiator, reacting at the temperature of 80 ℃ under the protection of nitrogen, stopping stirring and heating after reacting for 3-5 hours, removing the solvent from the solution obtained by the reaction through reduced pressure distillation to obtain a polymer solution, then adding water, mixing, and placing in an ultrasonic oscillator oscillation cavity for oscillation for later use;
(2) soaking the substrate in 0.3mol/L Ti (SO)4)2In the solution, adjusting the pH value to 8 with alkali liquor, soaking for 3-5 h, taking out the base material after soaking, and drying;
(3) carrying out low-temperature plasma treatment on the surface of the dried base material, wherein the treatment time is 5-15 s, and the treatment power is 150-250W, so as to obtain a pretreated base material;
(4) and (2) coating the polymerization solution prepared in the step (1) on the surface of the pretreated base material, placing the coated base material in a drying oven, placing the drying oven in a vacuum drying oven, drying at the temperature of 80 ℃, and drying to obtain the waterproof adhesive tape base material with the double-layer structure.
Further, the substrate layer is formed by blending and weaving cotton fibers, hemp fibers, acrylic fibers and polyester fibers.
Furthermore, the mol ratio of the methacrylamide, the stearyl methacrylate and the propylene glycol monomethyl ether acetate is 1:1.2: 1.
Further, the coating amount in the step (4) is 0.3-0.6 g/cm2。
The gluing step is as follows:
(1) weighing potato starch, adding the potato starch into water, stirring and mixing uniformly, heating to 70-80 ℃ for gelatinization to obtain a mixture A, dissolving hyaluronic acid in MES acidic buffer solution, continuously stirring to completely dissolve hyaluronic acid, then adding an emulsifier and ammonium persulfate to obtain a mixture B, continuously heating to 90-95 ℃, stirring and mixing, adding the mixture B and a mixed monomer in batches into the mixture A, stirring and reacting after the mixed monomer and the mixture B are dropwise added, and cooling after reacting for 1-2 hours to obtain liquid glue;
(2) and (3) coating the liquid adhesive on the surface of the substrate according to the coating amount of 0.3-0.5 g, and drying after coating to obtain the waterproof adhesive tape.
Further, the mass ratio of the mixture B to the mixed monomer to the mixture A is 1: 5 to 10.
Further, the emulsifier is sodium dodecyl sulfate; the mixed monomer is formed by mixing methyl acrylate, ethyl acrylate and itaconic acid.
Compared with the prior art, the invention has the beneficial effects that:
the base layer is formed by blending and weaving cotton fibers, hemp fibers, acrylic fibers and polyester fibers, and can be adjusted according to the needs of customers to obtain the adhesive tape base material with good air permeability effect; the tape substrate was then dipped in Ti (SO)4)2In the solution, titanium dioxide formed after hydrolysis is loaded in the adhesive tape base material, so that the antibacterial property of the base material can be improved, and the subsequent air permeability can be ensured. Then, carrying out plasma treatment on the surface of the titanium dioxide-loaded adhesive tape base material to form a large number of reactive groups such as hydroxyl groups on the surface of the base material, and then coating the prepared polymer solution on the surface of the base material, wherein the hydrophilic end can be combined with the surface of the base material and the hydrophobic end is arranged outside due to the amphiphilicity of the polymer solution. Thereby rendering the final hydrophobic waterproofing membrane. And high temperature heating due to the loading of nano titanium dioxide particlesThe pore diameter of the uniform part is formed in the formed membrane, and the pore diameter ensures waterproofness and simultaneously has excellent air permeability.
Detailed Description
Example 1
(1) Weighing methacrylamide, stearyl methacrylate and propylene glycol monomethyl ether acetate according to a molar ratio of 1:1.2:1, mixing, dissolving in isopropanol, adding an initiator, heating to 80 ℃ under the protection of nitrogen, reacting for 3 hours, stopping stirring and heating, distilling the solution obtained by the reaction under reduced pressure to remove the solvent to obtain a polymer solution, adding water, mixing, and placing in an ultrasonic oscillator oscillation cavity for oscillation for later use;
(2) the substrate layer is formed by blending and weaving cotton fiber, hemp fiber, acrylic fiber and polyester fiber, and the substrate is soaked in 0.3mol/L Ti (SO)4)2In the solution, regulating the pH value to 8 by using alkali liquor, soaking for 5 hours, taking out the base material after soaking, and drying;
(3) carrying out low-temperature plasma treatment on the surface of the dried base material, wherein the treatment time is 15s, and the treatment power is 250W, so as to obtain a pretreated base material;
(4) coating the pretreated substrate surface with the polymerization solution prepared in the step (1) in an amount of 0.6g/cm2And after coating, placing the substrate in an oven, placing the substrate in a vacuum drying oven, drying the substrate at 80 ℃, and drying to obtain the waterproof adhesive tape substrate with the double-layer structure.
(5) Weighing potato starch, adding the potato starch into water, stirring and mixing uniformly, heating to 80 ℃ for gelatinization to obtain a mixture A, dissolving hyaluronic acid in MES acidic buffer solution, continuously stirring to completely dissolve hyaluronic acid, then adding sodium dodecyl sulfate and ammonium persulfate to obtain a mixture B, continuously heating to 95 ℃, stirring and mixing, and then adding the mixture B and a mixed monomer (formed by mixing methyl acrylate, ethyl acrylate and itaconic acid) in batches into the mixture A, wherein the mass ratio of the mixture B to the mixed monomer to the mixture A is 1: 10, after the mixed monomer and the mixture B are dripped, stirring for reaction, and cooling after the reaction is carried out for 2 hours to obtain liquid glue;
(6) and (3) coating the liquid adhesive on the surface of the substrate according to the coating amount of 0.5g, and drying after coating to obtain the waterproof adhesive tape.
Example 2
(1) Weighing methacrylamide, stearyl methacrylate and propylene glycol monomethyl ether acetate according to a molar ratio of 1:1.2:1, mixing, dissolving in isopropanol, adding an initiator, heating to 80 ℃ under the protection of nitrogen, reacting for 5 hours, stopping stirring and heating, distilling the solution obtained by the reaction under reduced pressure to remove the solvent to obtain a polymer solution, adding water, mixing, and placing in an ultrasonic oscillator oscillation cavity for oscillation for later use;
(2) the substrate layer is formed by blending and weaving cotton fiber, hemp fiber, acrylic fiber and polyester fiber, and the substrate is soaked in 0.3mol/L Ti (SO)4)2In the solution, regulating the pH value to 8 by using alkali liquor, soaking for 3h, taking out the base material after soaking, and drying;
(3) carrying out low-temperature plasma treatment on the surface of the dried base material for 5s with the treatment power of 150W to obtain a pretreated base material;
(4) coating the pretreated substrate surface with the polymerization solution prepared in the step (1) in an amount of 0.3-0.6 g/cm2And after coating, placing the substrate in an oven, placing the substrate in a vacuum drying oven, drying the substrate at 80 ℃, and drying to obtain the waterproof adhesive tape substrate with the double-layer structure.
(5) Weighing potato starch, adding the potato starch into water, stirring and mixing uniformly, heating to 70 ℃ for gelatinization to obtain a mixture A, dissolving hyaluronic acid in MES acidic buffer solution, continuously stirring to completely dissolve hyaluronic acid, then adding sodium dodecyl sulfate and ammonium persulfate to obtain a mixture B, continuously heating to 90 ℃, stirring and mixing, and then adding the mixture B and a mixed monomer (formed by mixing methyl acrylate, ethyl acrylate and itaconic acid) into the mixture A in batches, wherein the mass ratio of the mixture B to the mixed monomer to the mixture A is 1: 5, after the mixed monomer and the mixture B are dripped, stirring for reaction, and cooling after the reaction for 1 hour to obtain liquid glue;
(6) and (3) coating the liquid adhesive on the surface of the substrate according to the coating amount of 0.3g, and drying after coating to obtain the waterproof adhesive tape.
Example 3
(1) Weighing methacrylamide, stearyl methacrylate and propylene glycol monomethyl ether acetate according to a molar ratio of 1:1.2:1, mixing, dissolving in isopropanol, adding an initiator, heating to 80 ℃ under the protection of nitrogen, reacting for 4 hours, stopping stirring and heating, distilling the solution obtained by the reaction under reduced pressure to remove the solvent to obtain a polymer solution, adding water, mixing, and placing in an ultrasonic oscillator oscillation cavity for oscillation for later use;
(2) the substrate layer is formed by blending and weaving cotton fiber, hemp fiber, acrylic fiber and polyester fiber, and the substrate is soaked in 0.3mol/L Ti (SO)4)2In the solution, regulating the pH value to 8 by using alkali liquor, soaking for 4 hours, taking out the base material after soaking, and drying;
(3) carrying out low-temperature plasma treatment on the surface of the dried base material for 10s at the treatment power of 200W to obtain a pretreated base material;
(4) coating the pretreated substrate surface with the polymerization solution prepared in the step (1) in an amount of 0.4g/cm2And after coating, placing the substrate in an oven, placing the substrate in a vacuum drying oven, drying the substrate at 80 ℃, and drying to obtain the waterproof adhesive tape substrate with the double-layer structure.
(5) Weighing potato starch, adding the potato starch into water, stirring and mixing uniformly, heating to 75 ℃ for gelatinization to obtain a mixture A, dissolving hyaluronic acid in MES acidic buffer solution, continuously stirring to completely dissolve hyaluronic acid, then adding sodium dodecyl sulfate and ammonium persulfate to obtain a mixture B, continuously heating to 93 ℃, stirring and mixing, and then adding the mixture B and a mixed monomer (formed by mixing methyl acrylate, ethyl acrylate and itaconic acid) in batches into the mixture A, wherein the mass ratio of the mixture B to the mixed monomer to the mixture A is 1: 7, after the mixed monomer and the mixture B are dripped, stirring for reaction, and cooling after the reaction is carried out for 1.5 hours to obtain liquid glue;
(6) and (3) coating the liquid adhesive on the surface of the substrate according to the coating amount of 0.4g, and drying after coating to obtain the waterproof adhesive tape.
Comparative example 1
Comparative example 1 differs from example 1 mainly in that: the substrate was not immersed in Ti (SO)4)2In solution, the remaining preparation steps were the same as in example 1.
Comparative example 2
Comparative example 2 differs from example 1 mainly in that: the substrate surface was not subjected to low-temperature plasma treatment, and the remaining preparation steps were the same as in example 1.
Comparative example 3
Comparative example 3 compared to example 1, the main differences are: the same procedure as in example 1 was followed except that the surface of the substrate was not coated with a layer of the polymer solution.
The above examples were tested for performance and the results are shown in Table 1
Table 1:
Claims (5)
1. a waterproof tape base material characterized in that: the waterproof adhesive tape base material is composed of a waterproof layer and a base layer double-layer structure;
the specific preparation steps of the waterproof adhesive tape base material are as follows:
(1) mixing methacrylamide, stearyl methacrylate and propylene glycol methyl ether acetate, dissolving in isopropanol, adding an initiator, reacting at the temperature of 80 ℃ under the protection of nitrogen, stopping stirring and heating after reacting for 3-5 hours, distilling the solution obtained by the reaction under reduced pressure to remove the solvent to obtain a polymer solution, then adding water, mixing, and placing in an ultrasonic oscillator oscillation cavity to oscillate to obtain an amphiphilic polymer solution for later use;
(2) soaking the substrate in 0.3mol/L Ti (SO)4)2In the solution, adjusting the pH value to 8 with alkali liquor, soaking for 3-5 h, taking out the base material after soaking, and drying;
the base material is formed by blending and weaving cotton fibers, hemp fibers, acrylic fibers and polyester fibers;
(3) carrying out low-temperature plasma treatment on the surface of the dried base material, wherein the treatment time is 5-15 s, and the treatment power is 150-250W, so as to obtain a pretreated base material;
(4) coating the amphiphilic polymer solution prepared in the step (1) on the surface of the pretreated base material, placing the coated base material in a drying oven, placing the drying oven in a vacuum drying oven, drying at 80 ℃, and drying to obtain the waterproof adhesive tape base material with a double-layer structure;
the gluing method of the waterproof tape base material comprises the following steps: weighing potato starch, adding the potato starch into water, stirring and mixing uniformly, heating to 70-80 ℃ for gelatinization to obtain a mixture A, dissolving hyaluronic acid in MES acidic buffer solution, continuously stirring to completely dissolve hyaluronic acid, then adding an emulsifier and ammonium persulfate to obtain a mixture B, continuously heating to 90-95 ℃, stirring and mixing, adding the mixture B and a mixed monomer in batches into the mixture A, stirring and reacting after the mixed monomer and the mixture B are dropwise added, and cooling after reacting for 1-2 hours to obtain liquid glue;
the liquid glue is pressed according to the ratio of 0.3-0.5 g/cm2Coating the surface of the substrate with the coating amount, and drying after coating to obtain the waterproof adhesive tape.
2. The waterproof tape substrate according to claim 1, wherein: the mol ratio of the methacrylamide, the stearyl methacrylate and the propylene glycol monomethyl ether acetate is 1:1.2: 1.
3. The waterproof tape substrate according to claim 1, wherein: the coating amount in the step (4) is 0.3-0.6 g/cm2。
4. The waterproof tape substrate according to claim 1, characterized in that: the mass ratio of the mixture B to the mixed monomer to the mixture A is 1: 5 to 10.
5. The waterproof tape substrate according to claim 1, characterized in that: the emulsifier is sodium dodecyl sulfate; the mixed monomer is formed by mixing methyl acrylate, ethyl acrylate and itaconic acid.
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Denomination of invention: A waterproof tape substrate and coating method Granted publication date: 20210525 Pledgee: Su'ao Commercial Factoring (Jiangsu) Co.,Ltd. Pledgor: JIANGSU SOUTHERN EISAI PHARMACEUTICAL Co.,Ltd. Registration number: Y2024980015563 |