CN114958219B - Preparation method of waterproof medical adhesive tape - Google Patents
Preparation method of waterproof medical adhesive tape Download PDFInfo
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- CN114958219B CN114958219B CN202210526564.3A CN202210526564A CN114958219B CN 114958219 B CN114958219 B CN 114958219B CN 202210526564 A CN202210526564 A CN 202210526564A CN 114958219 B CN114958219 B CN 114958219B
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- coiled material
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- 239000002390 adhesive tape Substances 0.000 title claims abstract description 143
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 151
- 238000000576 coating method Methods 0.000 claims abstract description 79
- 239000011248 coating agent Substances 0.000 claims abstract description 69
- 238000001035 drying Methods 0.000 claims abstract description 59
- 239000004744 fabric Substances 0.000 claims abstract description 58
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 46
- 239000000853 adhesive Substances 0.000 claims abstract description 37
- 230000001070 adhesive effect Effects 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000013329 compounding Methods 0.000 claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 5
- 150000001875 compounds Chemical class 0.000 claims abstract description 3
- 238000010345 tape casting Methods 0.000 claims description 15
- 239000004831 Hot glue Substances 0.000 claims description 12
- 238000003618 dip coating Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 229920000306 polymethylpentene Polymers 0.000 claims description 2
- 239000011116 polymethylpentene Substances 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 238000007761 roller coating Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 5
- 229920000742 Cotton Polymers 0.000 description 47
- 238000004804 winding Methods 0.000 description 28
- 238000004519 manufacturing process Methods 0.000 description 20
- 238000004078 waterproofing Methods 0.000 description 16
- 238000007599 discharging Methods 0.000 description 14
- 238000004806 packaging method and process Methods 0.000 description 13
- 239000003522 acrylic cement Substances 0.000 description 12
- 239000002131 composite material Substances 0.000 description 12
- 230000000149 penetrating effect Effects 0.000 description 12
- 239000002904 solvent Substances 0.000 description 12
- 238000012360 testing method Methods 0.000 description 10
- 229910052739 hydrogen Inorganic materials 0.000 description 9
- 239000001257 hydrogen Substances 0.000 description 9
- 229920002545 silicone oil Polymers 0.000 description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 8
- QZHDEAJFRJCDMF-UHFFFAOYSA-N perfluorohexanesulfonic acid Chemical compound OS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F QZHDEAJFRJCDMF-UHFFFAOYSA-N 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- 239000004745 nonwoven fabric Substances 0.000 description 6
- 239000005871 repellent Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000002940 repellent Effects 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006081 fluorescent whitening agent Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
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Classifications
-
- 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
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/304—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being heat-activatable, i.e. not tacky at temperatures inferior to 30°C
-
- 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
- C09J2433/00—Presence of (meth)acrylic polymer
-
- 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
- C09J2467/00—Presence of polyester
-
- 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
- C09J2483/00—Presence of polysiloxane
- C09J2483/001—Presence of polysiloxane in the barrier layer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention discloses a preparation method of a waterproof medical adhesive tape, which comprises the following steps of 1, gluing an adhesive on a release surface of a release material; step 2, compounding one surface of the release material coated with the adhesive in the step 1 with a cloth-based material which is not waterproof through rolling of a compounding roller, and rolling the compound roller into a medical adhesive tape coiled material; step 3, unreeling the medical adhesive tape coiled material obtained in the step 2, coating a waterproof agent on the non-waterproof cloth-based material, drying through a drying tunnel, and reeling to prepare a waterproof medical adhesive tape coiled material; and 4, slitting the waterproof medical adhesive tape coiled material prepared in the step 3 to prepare the waterproof medical adhesive tape. The invention adopts the steps that firstly, the adhesive is coated on the release surface of the waterproof release material, then the release surface is compounded with the non-waterproof cloth-based material to form the medical adhesive tape coiled material, then the waterproof agent is coated on the coiled material, and finally the waterproof medical adhesive tape is manufactured, and the obtained waterproof medical adhesive tape has high waterproof grade, the process is easy to control, and the product is not easy to deglue.
Description
Technical Field
The invention relates to a preparation method of a waterproof medical adhesive tape.
Background
Medical adhesive tapes are used for fixing dressings, catheters and the like, and along with the change of life style, patients need to bath and wash hands when using the medical adhesive tapes, sometimes the medical adhesive tapes are carelessly rained in rainy days, so that the medical adhesive tapes are required to have waterproof performance. Waterproof medical tapes are generally classified into waterproof cloth type and film type tapes. Compared with film waterproof adhesive tapes, cloth adhesive tapes are widely used in medical adhesive tapes because of high air permeability, but the preparation process of the waterproof adhesive tapes generally comprises the steps of firstly performing waterproof treatment on cloth and then gluing, wherein the production process generally requires the waterproof grade of the cloth to be controlled within a certain range, generally within a range of 2-3 levels, if the waterproof grade is lower, the waterproof effect is not ideal, the waterproof grade is too high, the gluing process is difficult to perform, the adhesive tapes are easy to deglue and cannot be used, the production process requirement of the waterproof adhesive tapes in the prior art on waterproof fabrics is also high, the process control is complex, waste is easy to cause, and the efficiency is not high.
Disclosure of Invention
The invention aims to provide a preparation method of a waterproof medical adhesive tape, which solves the technical defect of low waterproof grade of the waterproof medical adhesive tape in the prior art.
In order to solve the problems, the invention adopts the following technical scheme: a preparation method of a waterproof medical adhesive tape, which comprises the following steps,
Step 1, gluing an adhesive on a release surface of a release material;
Step2, compounding one surface of the release material coated with the adhesive in the step1 with a cloth-based material which is not waterproof through rolling of a compounding roller, and rolling the compound roller into a medical adhesive tape coiled material;
Step 3, unreeling the medical adhesive tape coiled material obtained in the step 2, coating a waterproof agent on the non-waterproof cloth-based material, drying through a drying tunnel, and reeling to prepare a waterproof medical adhesive tape coiled material;
And 4, slitting the waterproof medical adhesive tape coiled material prepared in the step 3 to prepare the waterproof medical adhesive tape.
The invention adopts the steps that firstly, the adhesive is coated on the release surface of the waterproof release material, then the release surface is compounded with the non-waterproof cloth-based material and the medical adhesive tape coiled material is obtained, then the waterproof agent is coated on the coiled material, and finally the waterproof medical adhesive tape is prepared, the waterproof medical adhesive tape has high waterproof grade, the production efficiency is high, the process is easy to control, and the medical adhesive tape product prepared by the invention is difficult to deglue through testing.
As a further improvement of the invention, the adhesive is a medical hot melt adhesive, the medical hot melt adhesive is heated to 50-200 ℃ to melt in the step 1 when the adhesive is coated, the melted medical hot melt adhesive is coated on the surface of the release material, and the step 2 is directly carried out after the hot melt adhesive is coated on the release material.
As a further improvement of the invention, the adhesive is a medical liquid adhesive, after the medical liquid adhesive is coated on the release material in the step 1, the release material coated with the liquid adhesive is firstly dried through a drying tunnel at 70-170 ℃, and then the step 2 is carried out.
As a further improvement of the present invention, the release material is a release paper or a release film.
As a further development of the invention, the non-water-repellent cloth-based material is a woven cloth or a nonwoven cloth.
As a further improvement of the present invention, the water repellent is one of silicone water repellent, fluorine-based water repellent, chromium complex or polymethylpentene resin.
As a further improvement of the invention, the waterproof agent adopts silicone waterproof agent, the waterproof agent is coated on the cloth-based material which is not waterproof at 20-200 ℃, the coating amount of the waterproof agent is 0.1-10g/m < 2 >, and the coating speed is 3-50m/min.
As a further improvement of the invention, the waterproof agent is coated by one of roller coating, knife coating, spray coating or dip coating.
The invention has the following beneficial effects: the obtained product has excellent waterproof performance. The waterproof medical adhesive tape prepared by the method has the waterproof grade of more than 4, and has better waterproof performance compared with the product on the current market which is basically generally 2-3 grade.
The product prepared by the method is not degummed, the waterproof medical adhesive tape prepared by the method has no degummed phenomenon no matter tested on a steel plate or applied on a human body, and the product in the current market has degummed phenomenon if the waterproof grade of cloth is slightly higher, so that the use of the product is seriously influenced.
The waterproof adhesive tape prepared by the method has the advantages of high production efficiency, easy control of the process, high production speed, wide process parameter range and high production efficiency due to small influence on the processing of subsequent procedures.
Detailed Description
The preparation method of the waterproof medical adhesive tape is further described below. The hydrogen-containing silicone oils of examples 1 to 7 of the present invention were all produced by using the hydrogen-containing silicone oil sold by Shenzhen Kokuchang Silicone rubber Co., ltd.
Example 1
The preparation method of the waterproof medical adhesive tape comprises the following steps:
Step1, coating a solvent type acrylic adhesive on a release surface of a PET release film, wherein the coating mode is knife coating, the coating amount is 50g/m < 2 >, and then drying through a drying channel at 110 ℃.
And 2, compositing the adhesive dried in the step 1 on the release film with 160 g/m2 of waterproof cotton cloth through a composite roller, and winding to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing the waterproof cotton cloth adhesive tape coiled material on a discharging roller, unreeling and threading the coiled material, passing through a material pool in which a waterproof agent is placed, finally installing the coiled material on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The waterproofing agent in this example was hydrogen-containing silicone oil, the coating method was dip coating, the coating amount was 8g/m2 (i.e., 8g of waterproofing agent was coated on each square meter of non-waterproof cotton tape roll), the coating surface was the non-waterproof cotton side, the drying tunnel temperature was 100 ℃, and the production speed was 25m/min.
And 4, placing the medical adhesive tape coiled material subjected to the waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls according to the requirement, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared in the embodiment is 5.
Example 2
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
Step1, coating a solvent type acrylic adhesive on a release surface of a PET release film, wherein the coating mode is knife coating, the coating amount is 50g/m < 2 >, and then drying through a drying channel at 110 ℃.
And 2, compositing the adhesive dried in the step 1 on the release film with 160 g/m2 of waterproof cotton cloth through a composite roller, and winding to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing the waterproof cotton cloth adhesive tape coiled material on a discharging roller, unreeling the coiled material, passing through a spraying channel for placing a waterproof agent, finally installing the coiled material on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The waterproofing agent in this example was hydrogen-containing silicone oil, the coating was spray-coated at a coating weight of 6g/m2, the coated surface was a non-waterproof cotton side, the drying tunnel temperature was 100deg.C, and the production rate was 25m/min.
And 4, placing the medical adhesive tape coiled material subjected to the waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls according to the requirement, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared in the embodiment is 5.
Example 3
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
step 1, coating a solvent type acrylic adhesive on a release surface of a PET release film, wherein the coating mode is knife coating, the coating amount is 50g/m < 2 >, and then passing through a drying tunnel Hong Gan at 110 ℃.
And 2, compositing the adhesive dried in the step 1 on the release film with 160 g/m2 of waterproof cotton cloth through a composite roller, and winding to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing the waterproof cotton cloth adhesive tape coiled material on a discharging roller, penetrating the coiled material, passing through a material pool in which a waterproof agent is placed, finally installing the coiled material on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The waterproof agent is hydrogen-containing silicone oil, the coating mode is knife coating, the coating amount is 8g/m < 2 >, the coating surface is the non-waterproof cotton cloth side, the drying tunnel temperature is 100 ℃, and the production speed is 25m/min.
And 4, placing the medical adhesive tape coiled material subjected to the waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls according to the requirement, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared in the embodiment is 5.
Example 4
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
Step 1, coating a solvent type acrylic adhesive on a release surface of a PET release film, wherein the adhesive coating mode is knife coating, the adhesive amount is 50g/m < 2 >, and then drying through a drying channel at 110 ℃.
And 2, compositing the adhesive dried in the step 1 on the release film with 160 g/m2 of waterproof cotton cloth through a composite roller, and winding to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing the waterproof cotton cloth adhesive tape coiled material on a discharging roller, penetrating the coiled material, passing through a roller coated with a waterproof agent, finally installing the coiled material on a winding roller through a drying tunnel, and starting equipment to perform waterproof treatment. The waterproofing agent in this example was hydrogen-containing silicone oil, the coating method was roll coating, the coating amount was 8g/m2, the coated surface was non-waterproof cotton side, the drying tunnel temperature was 100deg.C, and the production speed was 25m/min.
And 4, placing the medical adhesive tape coiled material subjected to the waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls according to the requirement, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared in the embodiment is 5.
Example 5
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
Step1, coating a solvent type acrylic adhesive on a release surface of a PET release film, wherein the coating mode is knife coating, the coating amount is 50g/m < 2 >, and then drying through a drying channel at 110 ℃.
And 2, compounding the adhesive dried in the step 1 on the release film with waterproof 50g/m2 spunlaced non-woven fabric through a compounding roller, and winding to prepare the waterproof non-woven fabric adhesive tape coiled material.
And 3, placing the non-waterproof non-woven adhesive tape coiled material on a discharging roller, penetrating the coiled material, passing through a material pool in which a waterproof agent is placed, finally installing the coiled material on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The waterproofing agent in this example was hydrogen-containing silicone oil, the coating method was dip coating, the coating amount was 8g/m2, the coated surface was the non-water-repellent nonwoven fabric side, the drying tunnel temperature was 100℃and the production speed was 25m/min.
And 4, placing the medical adhesive tape coiled material subjected to the waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls according to the requirement, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared in the embodiment is 5.
Example 6
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
Step 1, coating a hot melt adhesive on a release surface of a PET release film, wherein the coating mode is screw extrusion, the coating amount is 50g/m < 2 >, and the coating temperature (namely the temperature for melting the hot melt adhesive) is 140 ℃.
And 2, compositing the adhesive coated on the release film in the step 1 with 160g/m2 cotton cloth which is not waterproof through a composite roller, and winding to prepare the waterproof adhesive tape coiled material.
And 3, placing the waterproof cotton cloth adhesive tape coiled material on a discharging roller, penetrating the coiled material, passing through a material pool in which a waterproof agent is placed, finally installing the coiled material on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The waterproofing agent in this example was hydrogen-containing silicone oil, the coating method was dip coating, the coating amount was 8g/m2, the coated surface was the non-waterproof cotton side, the drying tunnel temperature was 100℃and the production speed was 25m/min.
And 4, placing the medical adhesive tape coiled material subjected to the waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls according to the requirement, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared in the embodiment is 5.
Example 7
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
Step 1, coating a solvent type acrylic adhesive on a release surface of release paper, wherein the coating mode is knife coating, the coating amount is 50g/m < 2 >, and then drying through a drying channel at 110 ℃.
And 2, compositing the adhesive dried on the release film with waterproof 160g/m2 cotton cloth through a composite roller, and winding to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing the waterproof cotton cloth adhesive tape coiled material on a discharging roller, penetrating the coiled material, passing through a material pool in which a waterproof agent is placed, finally installing the coiled material on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The waterproofing agent in this example was hydrogen-containing silicone oil, the coating method was dip coating, the coating amount was 8g/m2, the coated surface was the non-waterproof cotton side, the drying tunnel temperature was 100℃and the production speed was 25m/min.
And 4, placing the medical adhesive tape coiled material subjected to the waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls according to the requirement, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared in the embodiment is 5.
Example 8
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
Step1, coating a solvent type acrylic adhesive on a release surface of a PET release film, wherein the coating mode is knife coating, the coating amount is 50g/m < 2 >, and then drying through a drying channel at 110 ℃.
And 2, compositing the adhesive dried on the release film with waterproof 160g/m2 cotton cloth through a composite roller, and winding to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing the waterproof cotton cloth adhesive tape coiled material on a discharging roller, penetrating the coiled material, passing through a material pool in which a waterproof agent is placed, finally installing the coiled material on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The waterproofing agent in this example was perfluorohexane sulfonic acid, the coating method was dip-coating, the coating amount was 8g/m2, the coated surface was the non-waterproof cotton side, the drying tunnel temperature was 100℃and the production speed was 25m/min.
And 4, placing the medical adhesive tape coiled material subjected to the waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls according to the requirement, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared in the embodiment is 5.
Example 9
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
Step 1, coating a solvent type acrylic adhesive on a release surface of a PET release film, wherein the coating mode is knife coating, the coating amount is 50g/m < 2 >, and then drying through a drying tunnel at 110 ℃.
And 2, compositing the adhesive dried in the step 1 on the release film with 160g/m2 of waterproof cotton cloth through a composite roller, and winding to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing the waterproof cotton cloth adhesive tape coiled material on a discharging roller, penetrating the coiled material, spraying a waterproof agent, finally installing the coiled material on a winding roller through a drying tunnel, and starting equipment to perform waterproof treatment. The waterproofing agent in this example was perfluorohexane sulfonic acid, the coating was spray-coated at a coating weight of 6g/m2, the coated surface was a non-waterproof cotton side, the drying tunnel temperature was 100deg.C, and the production speed was 25m/min.
And 4, placing the medical adhesive tape coiled material subjected to the waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls according to the requirement, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared in the embodiment is 5.
Example 10
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
Step1, coating a solvent type acrylic adhesive on a release surface of a PET release film, wherein the coating mode is knife coating, the coating amount is 50g/m < 2 >, and then drying through a drying channel at 110 ℃.
And 2, compositing the adhesive dried in the step 1 on the release film with 160g/m2 of waterproof cotton cloth through a composite roller, and winding to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing the waterproof cotton cloth adhesive tape coiled material on a discharging roller, penetrating the coiled material, passing through a material pool in which a waterproof agent is placed, finally installing the coiled material on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The waterproofing agent in this example was perfluorohexane sulfonic acid, the coating method was knife coating, the coating amount was 8g/m2, the coated surface was the non-waterproof cotton side, the drying tunnel temperature was 100deg.C, and the production speed was 25m/min.
And 4, placing the medical adhesive tape coiled material subjected to the waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls according to the requirement, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared in the embodiment is 5.
Example 11
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
step 1, coating a solvent type acrylic adhesive on a release surface of a PET release film in a doctor blade coating mode, wherein the adhesive coating amount is 50g/m < 2 >, and then drying through a drying channel at 110 ℃.
And 2, compositing the adhesive dried on the release film with waterproof 160g/m2 cotton cloth through a composite roller, and winding to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing the waterproof cotton cloth adhesive tape coiled material on a discharging roller, penetrating the coiled material, passing through a roller coated with a waterproof agent, finally installing the coiled material on a winding roller through a drying tunnel, and starting equipment to perform waterproof treatment. The waterproofing agent in this example was perfluorohexane sulfonic acid, the coating was roll-coated in an amount of 8g/m2, the coated surface was a non-waterproof cotton side, the drying tunnel temperature was 100deg.C, and the production speed was 25m/min.
And 4, placing the medical adhesive tape coiled material subjected to the waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls according to the requirement, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared in the embodiment is 5.
Example 12
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
Step1, coating a solvent type acrylic adhesive on a release surface of a PET release film, wherein the coating mode is knife coating, the coating amount is 50g/m < 2 >, and then drying through a drying channel at 110 ℃.
And 2, compounding the adhesive dried in the step 1 on the release film with waterproof 50g/m2 spunlaced non-woven fabric through a compounding roller, and winding to prepare the waterproof non-woven fabric adhesive tape coiled material.
And 3, placing the non-waterproof non-woven adhesive tape coiled material on a discharging roller, penetrating the coiled material, passing through a material pool in which a waterproof agent is placed, finally installing the coiled material on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The waterproofing agent in this example was perfluorohexane sulfonic acid, the coating method was dip-coating, the coating amount was 8g/m2, the coated surface was the non-water-repellent nonwoven fabric side, the drying tunnel temperature was 100℃and the production speed was 25m/min.
And 4, placing the medical adhesive tape coiled material subjected to the waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls according to the requirement, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared in the embodiment is 5.
Example 13
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
Step 1, coating a hot melt adhesive on a release surface of a PET release film, wherein the coating mode is screw extrusion, the coating amount is 50g/m < 2 >, and the coating temperature (namely the temperature for melting the hot melt adhesive) is 140 ℃.
And 2, compositing the adhesive coated on the release film in the step 1 with 160g/m2 cotton cloth which is not waterproof through a composite roller, and winding to prepare the waterproof adhesive tape coiled material.
And 3, placing the waterproof cotton cloth adhesive tape coiled material on a discharging roller, penetrating the coiled material, passing through a material pool in which a waterproof agent is placed, finally installing the coiled material on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The waterproofing agent in this example was perfluorohexane sulfonic acid, the coating method was dip-coating, the coating amount was 8g/m2, the coated surface was the non-waterproof cotton side, the drying tunnel temperature was 100℃and the production speed was 25m/min.
Example 4A roll of the medical tape subjected to the waterproofing treatment was placed on a slitter, slit into rolls of waterproofing medical tape as needed, packaged and used.
The waterproof grade of the waterproof medical adhesive tape product prepared in the embodiment is 5.
Example 14
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
Step 1, coating a solvent type acrylic adhesive on a release surface of release paper, wherein the coating mode is knife coating, the coating amount is 50g/m < 2 >, and then drying through a drying channel at 110 ℃.
And 2, compositing the adhesive dried in the step 1 on the release film with 160g/m2 of waterproof cotton cloth through a composite roller, and winding to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing the waterproof cotton cloth adhesive tape coiled material on a discharging roller, penetrating the coiled material, passing through a material pool in which a waterproof agent is placed, finally installing the coiled material on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The waterproofing agent in this example was perfluorohexane sulfonic acid, the coating method was dip-coating, the coating amount was 8g/m2, the coated surface was the non-waterproof cotton side, the drying tunnel temperature was 100℃and the production speed was 25m/min.
And 4, placing the medical adhesive tape coiled material subjected to the waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls according to the requirement, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared in the embodiment is 5.
The waterproof grade test method comprises the following steps:
(1) The prepared waterproof medical adhesive tape is taken as a sample by cutting 100cm-200cm, then three samples with the size of 180mm multiplied by 180mm are cut in sequence, and no folds or creases are needed at the sampling position.
(2) And (3) adjusting the state of the cut test sample for more than 4 hours under the test condition, then clamping the test sample by using a clamp, placing the test sample on a support, and enabling the test surface of the test sample to face upwards during the test.
(3) The 250 mL test water (adding a certain amount of fluorescent whitening agent) is quickly and stably poured into a funnel, spraying is continuously carried out for 25-30 s, and immediately after the spraying is stopped, a clamp holder with the sample is taken off, so that the front of the test sample is almost horizontal downwards.
(4) Then lightly tapping the holder against a solid hard object, horizontally rotating the holder for 180 degrees, lightly tapping the holder again, placing the cloth under a standard light source lamp box after tapping, and immediately grading the front wetting degree of the sample on the holder according to the water wetting phenomenon description in table 1.
Table 1 national standards for determining Water cut-in rating
Table 2 comparative waterproof grades for examples
。
Claims (7)
1. A preparation method of a waterproof medical adhesive tape is characterized by comprising the following steps: comprises the following steps of the method,
Step 1, gluing an adhesive on a release surface of a release material;
Step2, compounding one surface of the release material coated with the adhesive in the step1 with a cloth-based material which is not waterproof through rolling of a compounding roller, and rolling the compound roller into a medical adhesive tape coiled material;
Step 3, unreeling the medical adhesive tape coiled material obtained in the step 2, coating a waterproof agent on a non-waterproof cloth-based material, drying through a drying tunnel, and reeling to prepare a waterproof medical adhesive tape coiled material, wherein the waterproof agent is coated by one of roller coating, knife coating, spray coating or dip coating;
And 4, slitting the waterproof medical adhesive tape coiled material prepared in the step 3 to prepare the waterproof medical adhesive tape.
2. The method for preparing the waterproof medical adhesive tape according to claim 1, wherein: the adhesive is a medical hot melt adhesive, the medical hot melt adhesive is heated to 50-200 ℃ to be melted in the step 1 when the adhesive is coated, the melted medical hot melt adhesive is coated on the surface of the release material, and the step 2 is directly carried out after the hot melt adhesive is coated on the release material.
3. The method for preparing the waterproof medical adhesive tape according to claim 1, wherein: the adhesive is medical liquid adhesive, after the medical liquid adhesive is coated on the release material in the step 1, the release material coated with the liquid adhesive is firstly dried through a drying tunnel at 70-170 ℃, and then the step 2 is carried out.
4. A method of producing a waterproof medical tape according to claim 1 or 2 or 3, characterized in that: the release material is release paper or release film.
5. A method of producing a waterproof medical tape according to claim 1 or 2 or 3, characterized in that: the non-waterproof cloth-based material is a woven cloth or a non-woven cloth.
6. A method of producing a waterproof medical tape according to claim 1 or 2 or 3, characterized in that: the waterproof agent is one of silicone waterproof agent, fluorine waterproof agent, chromium complex or polymethylpentene resin.
7. The method for preparing the waterproof medical adhesive tape according to claim 6, wherein: the waterproof agent is silicone waterproof agent, which is coated on the non-waterproof cloth base material at 20-200deg.C, the coating amount of the waterproof agent is 0.1-10g/m 2, and the coating speed is 3-50m/min.
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| JPH01214481A (en) * | 1988-02-22 | 1989-08-28 | Nitto Denko Corp | Heat-sensitive stencil paper |
| JP2009268559A (en) * | 2008-05-01 | 2009-11-19 | Daio Paper Corp | Absorbent article |
| CN101929110A (en) * | 2010-07-27 | 2010-12-29 | 云南玉溪东魅包装材料有限公司 | Multilayer complex functional inner lining paper and production method thereof |
| JP2011208069A (en) * | 2010-03-30 | 2011-10-20 | Bando Chemical Industries Ltd | Pressure-sensitive adhesive tape |
| CN203506975U (en) * | 2013-08-08 | 2014-04-02 | 嘉兴君泰医用辅料有限公司 | Low-cost medical breathable tape |
| CN204233290U (en) * | 2014-11-14 | 2015-04-01 | 上海华舟压敏胶制品有限公司 | Refuse water type elastical cloth to breathe freely sticker |
| CN106137535A (en) * | 2015-04-17 | 2016-11-23 | 张星 | A kind of medical adhesive tape of waterproof and breathable |
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2022
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01214481A (en) * | 1988-02-22 | 1989-08-28 | Nitto Denko Corp | Heat-sensitive stencil paper |
| JP2009268559A (en) * | 2008-05-01 | 2009-11-19 | Daio Paper Corp | Absorbent article |
| JP2011208069A (en) * | 2010-03-30 | 2011-10-20 | Bando Chemical Industries Ltd | Pressure-sensitive adhesive tape |
| CN101929110A (en) * | 2010-07-27 | 2010-12-29 | 云南玉溪东魅包装材料有限公司 | Multilayer complex functional inner lining paper and production method thereof |
| CN203506975U (en) * | 2013-08-08 | 2014-04-02 | 嘉兴君泰医用辅料有限公司 | Low-cost medical breathable tape |
| CN204233290U (en) * | 2014-11-14 | 2015-04-01 | 上海华舟压敏胶制品有限公司 | Refuse water type elastical cloth to breathe freely sticker |
| CN106137535A (en) * | 2015-04-17 | 2016-11-23 | 张星 | A kind of medical adhesive tape of waterproof and breathable |
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| CN114958219A (en) | 2022-08-30 |
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