CN114958219A - Preparation method of waterproof medical adhesive tape - Google Patents
Preparation method of waterproof medical adhesive tape Download PDFInfo
- Publication number
- CN114958219A CN114958219A CN202210526564.3A CN202210526564A CN114958219A CN 114958219 A CN114958219 A CN 114958219A CN 202210526564 A CN202210526564 A CN 202210526564A CN 114958219 A CN114958219 A CN 114958219A
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- CN
- China
- Prior art keywords
- waterproof
- adhesive tape
- medical
- coating
- medical adhesive
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002390 adhesive tape Substances 0.000 title claims abstract description 161
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 123
- 238000000576 coating method Methods 0.000 claims abstract description 103
- 239000011248 coating agent Substances 0.000 claims abstract description 102
- 239000004744 fabric Substances 0.000 claims abstract description 71
- 238000001035 drying Methods 0.000 claims abstract description 60
- 239000000853 adhesive Substances 0.000 claims abstract description 37
- 230000001070 adhesive effect Effects 0.000 claims abstract description 37
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 36
- 238000013329 compounding Methods 0.000 claims abstract description 35
- 238000005096 rolling process Methods 0.000 claims abstract description 23
- 238000005520 cutting process Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000005871 repellent Substances 0.000 claims description 14
- 239000004831 Hot glue Substances 0.000 claims description 13
- 230000002940 repellent Effects 0.000 claims description 12
- 238000003618 dip coating Methods 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 8
- 239000007788 liquid Substances 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
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 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
- 238000010345 tape casting Methods 0.000 claims description 2
- 238000004078 waterproofing Methods 0.000 claims 3
- 229920000742 Cotton Polymers 0.000 description 47
- 238000004519 manufacturing process Methods 0.000 description 19
- 238000004804 winding Methods 0.000 description 14
- 238000004806 packaging method and process Methods 0.000 description 13
- 230000000149 penetrating effect Effects 0.000 description 13
- 239000003522 acrylic cement Substances 0.000 description 12
- 239000002904 solvent Substances 0.000 description 12
- 229910052739 hydrogen Inorganic materials 0.000 description 9
- 239000001257 hydrogen Substances 0.000 description 9
- 229920002545 silicone oil Polymers 0.000 description 9
- 239000004745 nonwoven fabric Substances 0.000 description 8
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 7
- QZHDEAJFRJCDMF-UHFFFAOYSA-N perfluorohexanesulfonic acid Chemical group 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
- 238000007599 discharging Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 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
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006081 fluorescent whitening agent Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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, coating an adhesive on a release surface of a release material; step 2, compounding the surface of the release material coated with the adhesive in the step 1 and a waterproof cloth base material through rolling of a compounding roller, and rolling to form 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 the medical adhesive tape coiled material through a drying channel, and then rolling the medical adhesive tape coiled material to prepare the waterproof medical adhesive tape coiled material; and 4, cutting the waterproof medical adhesive tape coiled material prepared in the step 3 into waterproof medical adhesive tapes. The invention adopts the steps of firstly coating the adhesive on the release surface of the waterproof release material, then combining the adhesive with the non-waterproof cloth base material and obtaining the medical adhesive tape coiled material, then coating the waterproof agent on the coiled material and finally preparing the waterproof medical adhesive tape.
Description
Technical Field
The invention relates to a preparation method of a waterproof medical adhesive tape.
Background
The medical adhesive tape is a product for fixing dressings, catheters and the like, and along with the change of life style, a patient needs to take a bath and wash hands when using the medical adhesive tape, and sometimes rains carelessly in rainy days, so that the medical adhesive tape is required to have waterproof performance. The waterproof medical adhesive tape is generally classified into waterproof cloth type and film type. Compared with a film waterproof adhesive tape, a cloth adhesive tape is widely used in a medical adhesive tape because of high air permeability, but the preparation process of the waterproof cloth adhesive tape generally comprises the steps of firstly carrying out waterproof treatment on cloth and then carrying out gluing, the production process generally requires that the waterproof grade of the cloth is controlled within a certain range, generally within the range of 2-3, if the waterproof grade is lower, the waterproof effect is unsatisfactory, the waterproof grade is too high, the gluing process is difficult to carry out, the adhesive tape is easy to degum and cannot be used, the waterproof cloth adhesive tape in the prior art also has high requirements on the production process of the waterproof cloth, the process is complex to control, 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 technical scheme adopted by the invention is as follows: a preparation method of a waterproof medical adhesive tape comprises the following steps,
step 1, coating an adhesive on a release surface of a release material;
step 2, compounding the surface of the release material coated with the adhesive in the step 1 and a waterproof cloth base material through rolling of a compounding roller, and rolling to form 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 the medical adhesive tape coiled material through a drying channel, and then rolling the medical adhesive tape coiled material to prepare the waterproof medical adhesive tape coiled material;
and 4, cutting the waterproof medical adhesive tape coiled material prepared in the step 3 into waterproof medical adhesive tapes.
The invention adopts the steps of firstly coating the adhesive on the release surface of the waterproof release material, then compounding the adhesive with the non-waterproof cloth base material to obtain the medical adhesive tape coiled material, then coating the waterproof agent on the coiled material, and finally preparing the waterproof medical adhesive tape.
As a further improvement of the invention, the adhesive is a medical hot melt adhesive, step 1 is that the medical hot melt adhesive is heated to 50-200 ℃ to be melted when the adhesive is coated, then the melted medical hot melt adhesive is coated on the surface of a 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 medical liquid adhesive, after the release material is coated with the medical liquid adhesive in the step 1, the release material coated with the liquid adhesive is dried through a drying tunnel at 70-170 ℃, and then the step 2 is carried out.
As a further improvement of the invention, the release material is release paper or release film.
As a further improvement of the invention, the cloth-based material which is not waterproof is woven cloth or non-woven cloth.
As a further improvement of the present invention, the water repellent is one of a silicone water repellent, a fluorine-based water repellent, a chromium complex or a polymethylpentene resin.
As a further improvement of the invention, the water repellent is silicone, which is coated on a cloth base material which is not water-repellent at 20-200 ℃, the coating amount of the water repellent is 0.1-10g/m2, and the coating speed is 3-50 m/min.
As a further improvement of the invention, the water repellent is applied by one of roll coating, knife coating, spray coating or dip coating.
The invention has the beneficial effects that: 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 products on the current market which are basically 2-3 grades.
The product prepared by the method of the invention does not degum, the waterproof medical adhesive tape prepared by the method has no degum phenomenon no matter the waterproof medical adhesive tape is tested on a steel plate or is pasted on a human body, and if the waterproof grade of cloth is slightly higher, the product on the market at present can have the degum phenomenon, thus seriously influencing the use of the product.
The production efficiency is high, the process is easy to control, and the waterproof adhesive tape prepared by the method has small influence on the processing of subsequent procedures, so the production speed is high, the process parameter range is large, and the production efficiency is high.
Detailed Description
The preparation method of the waterproof medical adhesive tape of the invention is further explained below. The hydrogen-containing silicone oil in the embodiments 1 to 7 of the invention adopts imported 484 hydrogen-containing silicone oil sold by Shenzhen Chunchang silicone rubber Limited company.
Example 1
The preparation method of the waterproof medical adhesive tape comprises the following steps:
step 1, coating the solvent type acrylic adhesive on a release surface of a PET release film in a blade coating mode, wherein the coating amount is 50g/m2, and then drying through a drying tunnel at 110 ℃.
And 2, compounding the adhesive dried on the release film in the step 1 with waterproof 160g/m2 cotton cloth through a compounding roller, and rolling to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing a non-waterproof cotton cloth adhesive tape roll on an unwinding roller, unwinding the roll, penetrating the roll, passing through a material pool for placing a waterproof agent, passing through a drying channel, finally installing the roll on a winding roller, and starting equipment to perform waterproof treatment. The type of the waterproof agent in the embodiment is hydrogen-containing silicone oil, the coating mode is dip coating, the coating weight is 8g/m2 (namely 8g of the waterproof agent is coated on each square meter of the waterproof cotton cloth adhesive tape coiled material), the coating surface is the waterproof cotton cloth side, the drying tunnel temperature is 100 ℃, and the production speed is 25 m/min.
And 4, placing the medical adhesive tape coiled material subjected to waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls of waterproof medical adhesive tape according to the needs, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared by the embodiment is 5.
Example 2
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
step 1, coating the solvent type acrylic adhesive on a release surface of a PET release film in a blade coating mode, wherein the coating amount is 50g/m2, and then drying through a drying tunnel at 110 ℃.
And 2, compounding the adhesive dried on the release film in the step 1 with waterproof 160g/m2 cotton cloth through a compounding roller, and rolling to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing a non-waterproof cotton cloth adhesive tape roll on a material placing roller, unreeling the roll, passing through a spraying channel for placing a waterproof agent, finally installing the roll on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The type of the waterproof agent in the embodiment is hydrogen-containing silicone oil, the coating mode is spraying, the coating weight is 6g/m2, the coating surface is a non-waterproof cotton cloth side, the drying tunnel temperature is 100 ℃, and the production speed is 25 m/min.
And 4, placing the medical adhesive tape coiled material subjected to waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls of waterproof medical adhesive tape according to the needs, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared by the embodiment is 5 grade.
Example 3
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
step 1, coating the solvent type acrylic adhesive on a release surface of a PET release film in a blade coating mode, wherein the coating amount is 50g/m2, and then, carrying out flood drying through a drying tunnel at 110 ℃.
And 2, compounding the adhesive dried on the release film in the step 1 with waterproof 160g/m2 cotton cloth through a compounding roller, and rolling to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing the non-waterproof cotton cloth adhesive tape roll on a material placing roller, penetrating the roll through a material tank for placing a waterproof agent, finally installing the roll 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 blade coating, the coating weight is 8g/m2, the coating surface is a non-waterproof cotton cloth side, the drying tunnel temperature is 100 ℃, and the production speed is 25 m/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 of waterproof medical adhesive tape according to the needs, and packaging and using the waterproof medical adhesive tape.
The waterproof grade of the waterproof medical adhesive tape product prepared by 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 the solvent type acrylic adhesive on a release surface of a PET release film in a blade coating mode, wherein the adhesive amount is 50g/m2, and then drying through a drying tunnel at 110 ℃.
And 2, compounding the adhesive dried on the release film in the step 1 with waterproof 160g/m2 cotton cloth through a compounding roller, and rolling to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing the non-waterproof cotton cloth adhesive tape roll on a discharging roller, penetrating the roll, passing through a roller coated with a waterproof agent, finally installing the roll on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The type of the waterproof agent in the embodiment is hydrogen-containing silicone oil, the coating mode is roll coating, the coating weight is 8g/m2, the coating surface is a non-waterproof cotton cloth side, the drying tunnel temperature is 100 ℃, and the production speed is 25 m/min.
And 4, placing the medical adhesive tape coiled material subjected to waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls of waterproof medical adhesive tape according to the needs, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared by the embodiment is 5.
Example 5
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
step 1, coating the solvent type acrylic adhesive on a release surface of a PET release film in a blade coating mode, wherein the coating amount is 50g/m2, and then drying through a drying tunnel at 110 ℃.
And 2, compounding the adhesive dried on the release film in the step 1 with waterproof 50g/m2 spunlace non-woven fabric through a compounding roller, and rolling to prepare the waterproof non-woven fabric adhesive tape roll.
And 3, placing the non-waterproof non-woven fabric adhesive tape coiled material on a discharging roller, penetrating the coiled material through a material tank 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 type of the waterproof agent in the embodiment is hydrogen-containing silicone oil, the coating mode is dip coating, the coating weight is 8g/m2, the coating surface is a non-waterproof non-woven fabric side, the drying tunnel temperature is 100 ℃, and the production speed is 25 m/min.
And 4, placing the medical adhesive tape coiled material subjected to waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls of waterproof medical adhesive tape according to the needs, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared by the embodiment is 5 grade.
Example 6
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
step 1, coating the hot melt adhesive on a release surface of a PET release film in a screw extrusion mode, wherein the coating amount is 50g/m2, and the coating temperature (namely the temperature of melting the hot melt adhesive) is 140 ℃.
And 2, compounding the adhesive coated on the release film in the step 1 with waterproof 160g/m2 cotton cloth through a compounding roller, and rolling to prepare the waterproof adhesive tape roll.
And 3, placing the non-waterproof cotton cloth adhesive tape roll on a material placing roller, penetrating the roll through a material tank for placing a waterproof agent, finally installing the roll on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The type of the waterproof agent in the embodiment is hydrogen-containing silicone oil, the coating mode is dip coating, the coating weight is 8g/m2, the coating surface is a non-waterproof cotton cloth side, the temperature of a drying tunnel is 100 ℃, and the production speed is 25 m/min.
And 4, placing the medical adhesive tape coiled material subjected to waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls of waterproof medical adhesive tape according to the needs, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared by 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 the solvent type acrylic adhesive on a release surface of release paper in a blade coating mode, wherein the coating amount is 50g/m2, and then drying through a drying tunnel at 110 ℃.
And 2, compounding the adhesive dried on the release film with waterproof 160g/m2 cotton cloth through a compounding roller, and rolling to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing the non-waterproof cotton cloth adhesive tape roll on a material placing roller, penetrating the roll through a material tank for placing a waterproof agent, finally installing the roll on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The type of the waterproof agent in the embodiment is hydrogen-containing silicone oil, the coating mode is dip coating, the coating weight is 8g/m2, the coating surface is a non-waterproof cotton cloth side, the temperature of a drying tunnel is 100 ℃, and the production speed is 25 m/min.
And 4, placing the medical adhesive tape coiled material subjected to waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls of waterproof medical adhesive tape according to the needs, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared by the embodiment is 5.
Example 8
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
step 1, coating the solvent type acrylic adhesive on a release surface of a PET release film in a blade coating mode, wherein the coating amount is 50g/m2, and then drying through a drying tunnel at 110 ℃.
And 2, compounding the adhesive dried on the release film with waterproof 160g/m2 cotton cloth through a compounding roller, and rolling to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing the non-waterproof cotton cloth adhesive tape roll on a material placing roller, penetrating the roll through a material tank for placing a waterproof agent, finally installing the roll on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The type of the waterproof agent in the embodiment is perfluorohexanesulfonic acid, the coating mode is dip coating, the coating weight is 8g/m2, the coating surface is a non-waterproof cotton cloth side, the drying tunnel temperature is 100 ℃, and the production speed is 25 m/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 of waterproof medical adhesive tape according to the needs, and packaging and using the waterproof medical adhesive tape.
The waterproof grade of the waterproof medical adhesive tape product prepared by 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 the solvent type acrylic adhesive on a release surface of a PET release film in a blade coating mode, wherein the coating amount is 50g/m2, and then drying through a drying tunnel at 110 ℃.
And 2, compounding the adhesive dried on the release film in the step 1 with waterproof 160g/m2 cotton cloth through a compounding roller, and rolling to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing the non-waterproof cotton cloth adhesive tape roll on a material placing roller, penetrating the roll, spraying a waterproof agent, finally installing the roll on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The type of the water repellent in this example was perfluorohexanesulfonic acid, the coating method was spray coating, the coating weight was 6g/m2, the coated side was a non-water-repellent cotton side, the drying tunnel temperature was 100 ℃, and the production speed was 25 m/min.
And 4, placing the medical adhesive tape coiled material subjected to waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls of waterproof medical adhesive tape according to the needs, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared by the embodiment is 5.
Example 10
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
step 1, coating the solvent type acrylic adhesive on a release surface of a PET release film in a blade coating mode, wherein the coating amount is 50g/m2, and then drying through a drying tunnel at 110 ℃.
And 2, compounding the adhesive dried on the release film in the step 1 with waterproof 160g/m2 cotton cloth through a compounding roller, and rolling to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing the non-waterproof cotton cloth adhesive tape roll on a material placing roller, penetrating the roll through a material tank for placing a waterproof agent, finally installing the roll on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The type of the waterproof agent in the embodiment is perfluorohexane sulfonic acid, the coating mode is blade coating, the coating weight is 8g/m2, the coating surface is a non-waterproof cotton cloth side, the drying tunnel temperature is 100 ℃, and the production speed is 25 m/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 of waterproof medical adhesive tape according to the needs, and packaging and using the waterproof medical adhesive tape.
The waterproof grade of the waterproof medical adhesive tape product prepared by 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 the solvent type acrylic adhesive on a release surface of a PET release film in a blade coating mode, wherein the coating amount is 50g/m2, and then drying through a drying tunnel at 110 ℃.
And 2, compounding the adhesive dried on the release film with waterproof 160g/m2 cotton cloth through a compounding roller, and rolling to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing the non-waterproof cotton cloth adhesive tape roll on a discharging roller, penetrating the roll, passing through a roller coated with a waterproof agent, finally installing the roll on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The type of the waterproof agent in the embodiment is perfluorohexanesulfonic acid, the coating mode is roll coating, the coating weight is 8g/m2, the coating surface is a non-waterproof cotton cloth side, the drying tunnel temperature is 100 ℃, and the production speed is 25 m/min.
And 4, placing the medical adhesive tape coiled material subjected to waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls of waterproof medical adhesive tape according to the needs, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared by the embodiment is 5.
Example 12
The preparation method of the waterproof medical adhesive tape of the embodiment comprises the following steps:
step 1, coating the solvent type acrylic adhesive on a release surface of a PET release film in a blade coating mode, wherein the coating amount is 50g/m2, and then drying through a drying channel at 110 ℃.
And 2, compounding the adhesive dried on the release film in the step 1 with waterproof 50g/m2 spunlace non-woven fabric through a compounding roller, and rolling to prepare the waterproof non-woven fabric adhesive tape roll.
And 3, placing the non-waterproof non-woven fabric adhesive tape coiled material on a discharging roller, penetrating the coiled material through a material tank 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 type of the waterproof agent in the embodiment is perfluorohexanesulfonic acid, the coating mode is dip coating, the coating weight is 8g/m2, the coating surface is a non-waterproof non-woven fabric side, the drying tunnel temperature is 100 ℃, and the production speed is 25 m/min.
And 4, placing the medical adhesive tape coiled material subjected to waterproof treatment on a splitting machine, splitting the medical adhesive tape coiled material into small rolls of waterproof medical adhesive tape according to the needs, and packaging and using the medical adhesive tape coiled material.
The waterproof grade of the waterproof medical adhesive tape product prepared by 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 the hot melt adhesive on a release surface of a PET release film in a screw extrusion mode, wherein the coating amount is 50g/m2, and the coating temperature (namely the temperature of melting the hot melt adhesive) is 140 ℃.
And 2, compounding the adhesive coated on the release film in the step 1 with waterproof 160g/m2 cotton cloth through a compounding roller, and rolling to prepare the waterproof adhesive tape roll.
And 3, placing the non-waterproof cotton cloth adhesive tape roll on a material placing roller, penetrating the roll through a material tank for placing a waterproof agent, finally installing the roll on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The type of the waterproof agent in the embodiment is perfluorohexanesulfonic acid, the coating mode is dip coating, the coating weight is 8g/m2, the coating surface is a non-waterproof cotton cloth side, the drying tunnel temperature is 100 ℃, and the production speed is 25 m/min.
Example 4, the medical tape roll subjected to the water repellent treatment was placed on a slitting machine, and cut into small rolls of the water repellent medical tape as needed, and packaged and used.
The waterproof grade of the waterproof medical adhesive tape product prepared by 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 the solvent type acrylic adhesive on a release surface of release paper in a blade coating mode, wherein the coating amount is 50g/m2, and then drying through a drying tunnel at 110 ℃.
And 2, compounding the adhesive dried on the release film in the step 1 with waterproof 160g/m2 cotton cloth through a compounding roller, and rolling to prepare the waterproof cotton cloth adhesive tape coiled material.
And 3, placing the non-waterproof cotton cloth adhesive tape roll on a material placing roller, penetrating the roll through a material tank for placing a waterproof agent, finally installing the roll on a winding roller through a drying channel, and starting equipment to perform waterproof treatment. The type of the waterproof agent in the embodiment is perfluorohexane sulfonic acid, the coating mode is dip coating, the coating weight is 8g/m2, the coating surface is a non-waterproof cotton cloth side, the drying tunnel temperature is 100 ℃, and the production speed is 25 m/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 of waterproof medical adhesive tape according to the needs, and packaging and using the waterproof medical adhesive tape.
The waterproof grade of the waterproof medical adhesive tape product prepared by the embodiment is 5.
The waterproof grade test method comprises the following steps:
(1) the prepared waterproof medical adhesive tape is cut into 100-200 cm samples, and then three samples with the size of 180mm multiplied by 180mm are cut in sequence, and no folds or creases exist at the sampling position.
(2) And (3) adjusting the cut test sample to be in a state of more than 4h under the test condition, clamping the test sample by using a clamp, and placing the test sample on a support, wherein the test surface of the test sample faces upwards during the test.
(3) 250 mL of test water (added with 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 after the spraying is stopped, a clamp holder with a sample is immediately taken away, so that the front surface of the test sample is almost horizontal.
(4) And lightly knocking the clamp against a solid hard object, horizontally rotating the clamp for 180 degrees, then lightly knocking the clamp again, after knocking, placing the cloth under a standard light source lamp box, and immediately grading the front wetting degree of the sample on the clamp according to the description of the water wetting phenomenon in the table 1.
TABLE 1 national standards for water pick-up rating
TABLE 2 comparison of the water repellency ratings of the examples
Claims (8)
1. A preparation method of a waterproof medical adhesive tape is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
step 1, coating an adhesive on a release surface of a release material;
step 2, compounding the surface of the release material coated with the adhesive in the step 1 and a waterproof cloth base material through rolling of a compounding roller, and rolling to form 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 the medical adhesive tape coiled material through a drying channel, and then rolling the medical adhesive tape coiled material to prepare a waterproof medical adhesive tape coiled material;
and 4, cutting the waterproof medical adhesive tape coiled material prepared in the step 3 into waterproof medical adhesive tapes.
2. The method for preparing a waterproof medical tape according to claim 1, characterized in that: the adhesive is a medical hot melt adhesive, the medical hot melt adhesive is heated to 50-200 ℃ in the step 1 when the adhesive is coated, the medical hot melt adhesive is melted, the melted medical hot melt adhesive is coated on the surface of a 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 a waterproof medical tape according to claim 1, characterized in that: 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 dried through a drying tunnel at 70-170 ℃, and then the step 2 is carried out.
4. The method for preparing a waterproof medical adhesive tape according to claim 1, 2 or 3, characterized in that: the release material is release paper or release film.
5. The method for preparing a waterproof medical adhesive tape according to claim 1, 2 or 3, characterized in that: the cloth-based material which is not waterproof is woven cloth or non-woven cloth.
6. The method for preparing a waterproof medical adhesive tape according to claim 1, 2 or 3, characterized in that: the water repellent is one of a silicone water repellent, a fluorine-based water repellent, a chromium complex or a polymethylpentene resin.
7. The method for preparing a waterproof medical tape according to claim 6, characterized in that: the water-proofing agent is silicone water-proofing agent, and is coated on the non-water-proofing cloth base material at 20-200 deg.C, and its coating quantity is 0.1-10g/m 2 The coating speed is 3-50 m/min.
8. The method for preparing a waterproof medical tape according to claim 1, 2 or 3, characterized in that: the coating mode of the waterproof agent is one of roll coating, knife coating, spray coating or dip coating.
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| CN106137535A (en) * | 2015-04-17 | 2016-11-23 | 张星 | A kind of medical adhesive tape of waterproof and breathable |
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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 |
| 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 |
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| CN114958219B (en) | 2024-05-03 |
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