CN114411431B - Material belt taking PVC foam as base material, preparation method thereof and sport protection adhesive tape - Google Patents

Material belt taking PVC foam as base material, preparation method thereof and sport protection adhesive tape Download PDF

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Publication number
CN114411431B
CN114411431B CN202210042784.9A CN202210042784A CN114411431B CN 114411431 B CN114411431 B CN 114411431B CN 202210042784 A CN202210042784 A CN 202210042784A CN 114411431 B CN114411431 B CN 114411431B
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Prior art keywords
parts
pvc foam
base material
plasticizer
foaming
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CN114411431A (en
Inventor
王晓阳
王涵
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Guangdong Lidaxin Material Technology Co ltd
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Dongguan Lidaxin Leather Co ltd
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • D06N3/142—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes mixture of polyurethanes with other resins in the same layer
    • D06N3/144—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes mixture of polyurethanes with other resins in the same layer with polyurethane and polymerisation products, e.g. acrylics, PVC
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
    • D06N3/0047—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers obtained by incorporating air, i.e. froth
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
    • D06N3/0095—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by inversion technique; by transfer processes
    • D06N3/0097—Release surface, e.g. separation sheets; Silicone papers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • D06N3/145—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes two or more layers of polyurethanes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/10—Properties of the materials having mechanical properties
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/12—Permeability or impermeability properties
    • D06N2209/121—Permeability to gases, adsorption
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/14—Properties of the materials having chemical properties
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2213/00—Others characteristics
    • D06N2213/03—Fibrous web coated on one side with at least two layers of the same polymer type, e.g. two coatings of polyolefin

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention provides a material belt taking PVC foam as a base material, a preparation method thereof and a sport protection adhesive tape; the preparation method of the material belt taking PVC foam as a base material comprises the steps of respectively adding a proper amount of a first plasticizer, a proper amount of a calcium-zinc liquid stabilizer and a proper amount of an AC foaming agent on the basis of resin powder, a second plasticizer, a third plasticizer, a barium-zinc stabilizer, a viscosity reducer and a Basff antioxidant, mixing, stirring and standing to obtain a paste A and a paste B; coating a paste A, a paste B and a paste A on the high-temperature-resistant release paper layer by layer, and sequentially foaming and baking at high temperature after coating to obtain a bottom layer, a middle layer and a surface layer of a material belt taking PVC foam as a base material; after cooling shaping and deodorizing treatment, the high-temperature resistant release paper is peeled off to obtain the material belt taking PVC foam as a base material. Through this application, effectively promote PVC bubble cotton tape's skin feel, gas permeability, waterproof nature, easy tearing nature, and extensibility scheduling effect.

Description

Material belt taking PVC foam as base material, preparation method thereof and sport protection adhesive tape
Technical Field
The invention belongs to the technical field of sports protection adhesive tapes, and particularly relates to a material tape taking PVC foam as a base material and a preparation method thereof, and a sports protection adhesive tape adopting the material tape taking the PVC foam as the base material.
Background
In fitness and sports activities, products such as straps, waterproof tapes, intramuscular patches, application and the like are often used to protect the ankle, elbow, knee, shoulder, wrist and the like from injury or to reduce injury during exercise. Traditional bandage, waterproof sticky tape, intramuscular subsides, apply ointment or the like and use electron crosslinked polyethylene bubble cotton (IXPE), non-woven fabrics or knitted cloth etc. to make as the substrate, and the motion protection product of such structure generally exists that skin feel is poor, the gas permeability is poor, waterproof, be difficult for tearing, do not have drawbacks such as extensibility, has reduced user's experience impression.
In order to solve the defects of poor air permeability, difficult tearing and the like of the product, the prior art develops a PVC foam adhesive tape product; wherein, the PVC foam is used as a base material, and one or two sides of the base material are coated with acrylic acid adhesive. Because the PVC foam material has a fine cell structure, the PVC foam material has stronger air permeability and easy tearing performance, and the defects of poor air permeability, difficult tearing and the like of products such as binding bands, waterproof adhesive tapes, intramuscular patches, application and the like can be effectively overcome. However, the PVC foam adhesive tape in the prior art still has the technical problems of poor skin feel, poor water resistance, poor extensibility and the like.
Therefore, how to modify the existing PVC foam material so that the prepared novel PVC foam adhesive tape has better skin feel, air permeability, water resistance, easy tearing property and extensibility is a research subject to be solved urgently.
Disclosure of Invention
In order to solve the technical problems, the invention provides a material belt taking PVC foam as a base material, a preparation method thereof and a sport protection adhesive tape, and by improving the preparation method of the material belt taking PVC foam as the base material, a composite structure of a soft skin-adhering bottom layer, an excellent ventilation middle layer and a high waterproof surface layer which are sequentially layered is formed, so that the effects of skin feeling, ventilation, waterproof property, easy tearing, extensibility and the like of the sport protection adhesive tape adopting the material belt taking PVC foam as the base material are improved.
In a first aspect, the invention provides a method for preparing a material belt by using PVC foam as a base material, comprising the following steps:
adding 70 parts of PVC resin powder, 30 parts of PU resin powder, 50 parts of first plasticizer, 30 parts of second plasticizer, 1-3 parts of calcium zinc liquid stabilizer and 0.5-1.5 parts of barium zinc stabilizer into a stirring barrel with the rotating speed of 120rpm, uniformly stirring for 20-30 min, and standing for 5-8 h; adding 20 parts of a third plasticizer, 1.5-3 parts of a viscosity reducer and 1-2 parts of a Pasteur antioxidant, and uniformly stirring at a rotating speed of 120rpm for 20-30 min to obtain a paste A;
adding 70 parts of PVC resin powder, 30 parts of PU resin powder, 80 parts of a second plasticizer, 2-3 parts of a barium-zinc stabilizer and 4-6 parts of an AC foaming agent into a stirring barrel with the rotating speed of 120rpm, uniformly stirring for 30-40 min, and standing for 8-12 h; adding 20 parts of a third plasticizer, 1.5-3 parts of a Pasteur antioxidant and 1-2 parts of a Pasteur antioxidant, and uniformly stirring for 20-30 min at a rotating speed of 120rpm to obtain a paste B;
uniformly coating the paste A on high-temperature-resistant release paper, and placing the release paper in a foaming production line with the foaming temperature of 150-200 ℃ for foaming for 1-2 min to form a bottom layer of a material belt taking PVC foam as a base material;
uniformly coating the paste B on the bottom layer, and placing the paste B in a foaming production line with the foaming temperature of 150-200 ℃ for foaming for 2-4 min to form a middle layer of a material belt taking PVC foam as a base material;
uniformly coating the paste A on the middle layer, and placing the paste A in a foaming production line with the foaming temperature of 150-200 ℃ for foaming for 1-2 min to form a surface layer of a material belt taking PVC foam as a base material;
and (3) placing the high-temperature-resistant release paper and the bottom layer, the middle layer and the surface layer which are arranged on the release paper in a cooling system for cooling shaping and deodorizing treatment, peeling the high-temperature-resistant release paper to obtain the material belt taking PVC foam as a base material, and winding for standby.
Compared with the prior art, the invention has the beneficial effects that: on the basis of PVC resin powder, a second plasticizer and a barium zinc stabilizer material, respectively adding a proper amount of a first plasticizer, a calcium zinc liquid stabilizer and a proper amount of an AC foaming agent, mixing, stirring and standing to obtain a paste A and a paste B; coating a paste A, a paste B and a paste A on the high-temperature-resistant release paper layer by layer, and sequentially obtaining a bottom layer, a middle layer and a surface layer of a material belt taking PVC foam as a base material through foaming treatment after coating; placing the high-temperature-resistant release paper and the bottom layer, the middle layer and the surface layer which are arranged on the release paper in a cooling system for cooling shaping and deodorizing treatment, and stripping the high-temperature-resistant release paper to obtain a material belt taking PVC foam as a base material; the material belt prepared by the preparation method and taking the PVC foam as the base material has a layered three-layer structure, wherein the bottom layer preparation material has good softness performance after foaming treatment so as to ensure good skin feel, the middle layer preparation material has a fine pore structure inside after foaming treatment so as to ensure strong air permeability, and the surface layer preparation material has no fine pore structure inside after foaming treatment so as to ensure good waterproof performance.
Preferably, the specific steps of the deodorizing treatment include:
and (3) placing the cooled and shaped high-temperature-resistant release paper and the bottom layer, the middle layer and the surface layer which are arranged on the release paper in an oven with the baking temperature of 100-140 ℃ for deodorizing, wherein the baking time is 1-2 min.
Preferably, the thickness ranges of the bottom layer, the middle layer and the surface layer of the material belt taking the PVC foam as the base material are all 0.1 mm-1.0 mm.
Preferably, the first plasticizer is diisononyl phthalate, the second plasticizer is acetyl tributyl citrate, and the third plasticizer is dioctyl adipate.
In a second aspect, the invention provides a material belt prepared by the preparation method and taking PVC foam as a base material, which comprises a bottom layer, a middle layer and a surface layer which are sequentially laminated from bottom to top; the bottom layer, the middle layer and the surface layer are all formed through foaming preparation, and the preparation materials of the bottom layer and the surface layer are the same.
Preferably, the preparation materials of the bottom layer and the surface layer comprise the following components:
70 parts of PVC resin powder, 30 parts of PU resin powder, 50 parts of first plasticizer, 30 parts of second plasticizer, 1-3 parts of calcium-zinc liquid stabilizer, 0.5-1.5 parts of barium-zinc stabilizer, 20 parts of third plasticizer, 1.5-3 parts of viscosity reducer and 1-2 parts of Basoff antioxidant.
Preferably, the preparation material of the middle layer comprises the following components:
70 parts of PVC resin powder, 30 parts of PU resin powder, 80 parts of a second plasticizer, 2-3 parts of a barium-zinc stabilizer, 4-6 parts of an AC foaming agent, 20 parts of a third plasticizer, 1.5-3 parts of a Pasteur antioxidant and 1-2 parts of a Pasteur antioxidant.
Compared with the prior art, the invention has the beneficial effects that: the material belt prepared by the preparation method of the first aspect and taking PVC foam as a base material has a layered three-layer structure, wherein the bottom layer has good skin feel, the middle layer has strong air permeability, and the surface layer has good waterproof performance, so that the material belt prepared by taking PVC foam as the base material has good skin feel, air permeability and waterproof performance, and the material belt prepared by foaming PVC foam material improves the easy tearing performance and the extensibility of the material belt prepared by taking PVC foam as the base material.
In a third aspect, the invention provides a sport protection adhesive tape using the material tape using PVC foam as a base material, which comprises the material tape using PVC foam as a base material and a release film bonded with the material tape using PVC foam as a base material.
Preferably, the preparation process of the sport protection tape comprises the following steps:
stripping the rolled material belt taking PVC foam as a base material to enable the material belt to be in a sheet shape, putting the material belt into an oven with a baking temperature of 30-80 ℃ for releasing tension, baking for 3-6 min, and then rolling for later use;
uniformly coating an adhesive on the release film, placing the release film in an oven with a baking temperature of 30-40 ℃ to dry the release film to form a bonding layer, and winding the release film for standby after the baking time is 1-2 min;
and carrying out mould pressing and automatic stripping treatment on the material belt taking the PVC foam as the base material and the release film after the tension is released, so that the adhesive layer formed on the release film is shifted to the material belt taking the PVC foam as the base material, thereby obtaining the motion protection adhesive tape, and winding, standing for standby.
Preferably, the release film is a single silicon release PET film.
Compared with the prior art, the invention has the beneficial effects that: the sport protection adhesive tape made of the material tape taking the PVC foam as the base material in the second aspect effectively improves the technical effects of skin feel, air permeability, waterproofness, easy tearing property, extensibility and the like, effectively solves the technical problems of poor skin feel, poor waterproofness, poor extensibility and the like of the PVC foam adhesive tape in the prior art, can completely replace the traditional products such as the binding tape, the waterproof adhesive tape, intramuscular adhesion, application and the like, and improves the use experience feel of users.
Detailed Description
These and other aspects of embodiments of the invention will be apparent from and elucidated with reference to the description below. In this description, particular implementations of embodiments of the invention are specifically disclosed as some ways of implementing the principles of embodiments of the invention, but it should be understood that the scope of embodiments of the invention is not limited in this respect. On the contrary, the embodiments of the invention include all alternatives, modifications and equivalents as may be included within the spirit and scope of the appended claims.
The sport protection adhesive tape provided by the embodiment of the invention comprises a material tape taking PVC foam as a base material and a release film bonded with the material tape taking PVC foam as the base material.
Further, the preparation process of the sport protection tape comprises steps S101 to S103:
s101, stripping the coiled material belt taking PVC foam as a base material to enable the material belt to be in a sheet shape, putting the material belt into an oven with a baking temperature of 30-80 ℃ for releasing tension, baking for 3-6 min, and then rolling for later use;
s102, uniformly coating an adhesive on the release film, and placing the release film in an oven with a baking temperature of 30-40 ℃ to dry the release film to form a bonding layer, wherein the baking time is 1-2 min, and then rolling the release film for later use;
s103, carrying out mould pressing and automatic stripping treatment on the material belt taking the PVC foam as the base material and the release film after the tension is released, so that the adhesive layer formed on the release film is transferred to the material belt taking the PVC foam as the base material, so as to obtain the motion protection adhesive tape, and winding, standing vertically for standby.
Further, the material belt taking the PVC foam as the base material comprises a bottom layer, a middle layer and a surface layer which are sequentially laminated from bottom to top; wherein the bottom layer, the middle layer and the surface layer are all formed by foaming preparation, and the preparation materials of the bottom layer and the surface layer are the same;
wherein, the preparation materials of the bottom layer and the surface layer comprise the following components:
70 parts of PVC resin powder, 30 parts of PU resin powder, 50 parts of first plasticizer, 30 parts of second plasticizer, 1 to 3 parts of calcium zinc liquid stabilizer, 0.5 to 1.5 parts of barium zinc stabilizer, 20 parts of third plasticizer, 1.5 to 3 parts of viscosity reducer and 1 to 2 parts of Basoff antioxidant;
the preparation material of the middle layer comprises the following components:
70 parts of PVC resin powder, 30 parts of PU resin powder, 80 parts of a second plasticizer, 2-3 parts of a barium-zinc stabilizer, 4-6 parts of an AC foaming agent, 20 parts of a third plasticizer, 1.5-3 parts of a Pasteur antioxidant and 1-2 parts of a Pasteur antioxidant.
Preferably, the first plasticizer is diisononyl phthalate and the second plasticizer is acetyl tributyl citrate.
In summary, on the basis of PVC resin powder, PU resin powder, a second plasticizer, a third plasticizer, a barium-zinc stabilizer, a viscosity reducer and a Basoff antioxidant, a proper amount of a first plasticizer, a calcium-zinc liquid stabilizer and a proper amount of an AC foaming agent are respectively matched, mixed, stirred and stood to obtain a paste A and a paste B; coating a paste A, a paste B and a paste A on the high-temperature-resistant release paper layer by layer, and sequentially obtaining a bottom layer, a middle layer and a surface layer of a material belt taking PVC foam as a base material through foaming treatment after coating; placing the high-temperature-resistant release paper and the bottom layer, the middle layer and the surface layer which are arranged on the release paper in a cooling system for cooling shaping and deodorizing treatment, and stripping the high-temperature-resistant release paper to obtain a material belt taking PVC foam as a base material; the material belt prepared by the preparation method and taking the PVC foam as the base material has a layered three-layer structure, wherein the bottom release paper is superfine frosted (beautiful velvet) or plain paper, the foam can form a feeling similar to the smooth feeling of skin after being peeled off, and the prepared material has good softness performance after foaming treatment so as to ensure good skin feeling; the middle layer preparation material is provided with a micro-pore structure inside after foaming treatment so as to have strong air permeability; the surface layer preparation material has no micro-pore structure after foaming treatment, so that the surface layer preparation material has good waterproof performance. And the PVC foam material is foamed, so that the easy tearing performance and the extensibility of the material belt taking the PVC foam as a base material are improved.
Further, the preparation method of the material belt taking PVC foam as a base material comprises the following steps of S001-S006:
s001, adding 70 parts of PVC resin powder, 30 parts of PU resin powder, 50 parts of first plasticizer, 30 parts of second plasticizer, 1 to 3 parts of calcium zinc liquid stabilizer and 0.5 to 1.5 parts of barium zinc stabilizer into a stirring barrel with the rotating speed of 120rpm, uniformly stirring for 20 to 30 minutes, and standing for 5 to 8 hours; adding 20 parts of a third plasticizer, 1.5-3 parts of a viscosity reducer and 1-2 parts of a Pasteur antioxidant, and uniformly stirring at a rotating speed of 120rpm for 20-30 min to obtain a paste A;
s002, adding 70 parts of PVC resin powder, 30 parts of PU resin powder, 80 parts of a second plasticizer, 2-3 parts of a barium-zinc stabilizer and 4-6 parts of an AC foaming agent into a stirring barrel with the rotation speed of 120rpm, uniformly stirring for 30-40 min, standing for 8-12 h, adding 20 parts of a third plasticizer, 1.5-3 parts of a Pasteur antioxidant and 1-2 parts of a Pasteur antioxidant, and uniformly stirring for 20-30 min at the rotation speed of 120rpm to obtain a paste B;
s003, uniformly coating the paste A on high-temperature-resistant release paper, and placing the release paper in a foaming production line with the foaming temperature of 150-200 ℃ for foaming for 1-2 min to form a bottom layer of a material belt taking PVC foam as a base material;
s004, uniformly coating the paste B on the bottom layer, and placing the paste B in a foaming production line with the foaming temperature of 150-200 ℃ for foaming for 2-4 min to form a middle layer of a material belt taking PVC foam as a base material;
s005, uniformly coating the paste A on the middle layer, and placing the paste A in a foaming production line with the foaming temperature of 150-200 ℃ for foaming for 1-2 min to form a surface layer of a material belt taking PVC foam as a base material;
s006, placing the high-temperature-resistant release paper and the bottom layer, the middle layer and the surface layer which are arranged on the release paper in a cooling system for cooling shaping and deodorizing treatment, stripping the high-temperature-resistant release paper to obtain the material belt taking PVC foam as a base material, and winding for standby.
The specific steps of the deodorizing treatment comprise:
and (3) placing the cooled and shaped high-temperature-resistant release paper and the bottom layer, the middle layer and the surface layer which are arranged on the release paper in an oven with the baking temperature of 100-140 ℃ for deodorizing, wherein the baking time is 1-2 min.
Example 1
Preparation of a material belt with PVC foam as a base material:
it is to be noted that the foaming treatment equipment used in the step is a crawler-type continuous foaming production line, the polar and speed can be changed, the equipment structure adopts three sections of separated foaming structure forms, the lengths are respectively 20m, 40m and 20m, and the foaming temperature of each section is controlled at 180-200 ℃; and, an operation space of the automatic coating apparatus is left between the foaming structures at each end. The baking treatment equipment is a first crawler-type baking oven with the length of 20m, the pole-changing speed can be regulated, the length is 20m, and the baking temperature is controlled at 130-140 ℃. Specifically, the preparation of the material belt taking PVC foam as a base material comprises the following steps:
step 1, weighing 70kg of PVC resin powder, 30kg of PU resin powder, 50kg of first plasticizer, 30kg of second plasticizer, 1kg of calcium-zinc liquid stabilizer and 0.5kg of barium-zinc stabilizer, sequentially adding into a stirring barrel, starting the stirring barrel, stirring at 120rpm for 20min until the stirring speed is uniform, and standing for 5h; then adding 20kg of a third plasticizer, 1.5kg of a viscosity reducer and 1kg of a Basoff antioxidant, and uniformly stirring at a rotation speed of 120rpm for 20min to obtain a paste A1; in this embodiment, the first plasticizer is diisononyl phthalate, the second plasticizer is acetyl tributyl citrate, and the third plasticizer is dioctyl adipate.
Step 2, weighing 70kg of PVC resin powder, 30kg of PU resin powder, 80kg of a second plasticizer, 2kg of a barium-zinc stabilizer and 4kg of an AC foaming agent, sequentially adding into a stirring barrel, starting the stirring barrel, controlling the rotating speed at 120rpm for stirring for 30min until the stirring is uniform, and standing for 8h; then, 20kg of a third plasticizer, 1.5kg of a viscosity reducer and 1kg of a Basoff antioxidant were added, and the mixture was stirred uniformly at 120rpm for 20 minutes to obtain a paste B1.
Step 3, starting a crawler-type continuous foaming production line, and controlling the transmission speed of the crawler-type continuous foaming production line to be 20m/min; placing the high-temperature release paper at a feeding port of a first section foaming structure of a crawler-type continuous foaming production line, automatically and uniformly coating paste A1 on the high-temperature release paper by a coating machine, then entering the first section foaming structure for foaming, and penetrating out of the first section foaming structure after the foaming time of 1min, thereby forming a bottom layer of a material belt taking PVC foam as a base material on the high-temperature release paper, wherein the thickness is 0.1mm; preferably, the high temperature release paper is ultra-fine sanded (fine velvet) paper.
And 4, before entering the second section of foaming structure, automatically and uniformly coating the paste B1 on the bottom layer through a coating machine, entering the second section of foaming structure for foaming, and penetrating out the second section of foaming structure after 2 minutes of foaming time, thereby forming a middle layer of a material belt taking PVC foam as a base material on the high-temperature release paper, wherein the thickness is 0.1mm.
And 5, before entering the third section of foaming structure, automatically and uniformly coating the paste A1 on the bottom layer through a coating machine, entering the third section of foaming structure for foaming, and penetrating out the third section of foaming structure after the foaming time of 1min, thereby forming a surface layer of a material belt taking PVC foam as a base material on the high-temperature release paper, wherein the thickness is 0.1mm.
And 6, placing the high-temperature-resistant release paper and the bottom layer, the middle layer and the surface layer which are arranged on the release paper in a roller of a cooling system for cooling and shaping.
Step 7, starting a first crawler-type oven, and controlling the transmission speed at 20m/min; and (3) placing the cooled and shaped high-temperature-resistant release paper and the bottom layer, the middle layer and the surface layer which are arranged on the release paper in a first crawler-type oven for deodorizing, penetrating out of the first crawler-type oven after baking for 1min, stripping the high-temperature-resistant release paper, obtaining a material belt taking PVC foam as a base material, and winding for standby.
Preparation of sports protective tape:
the tension release treatment equipment used in the step is a second crawler-type oven, adopts a drum-type assembly line structure, can change poles and regulate speed, has the length of 60m respectively, and is controlled at 70-80 ℃; and the drying treatment equipment is a third crawler-type oven, the pole-changing speed-adjusting can be realized, the length is respectively 10m, and the baking temperature is controlled at 40 ℃. Specifically, the preparation of the sport protection tape comprises the following steps:
step 1, starting a second crawler-type oven, and controlling the transmission speed at 20m/min; and stripping the rolled material belt taking the PVC foam as a base material to enable the material belt to be sheet-shaped, placing the material belt in a second crawler-type oven for tension release, and penetrating out of the second crawler-type oven after baking for 3min, and winding for standby.
Step 2, starting a third crawler-type oven, and controlling the transmission speed to be 10m/min; and placing a release film at the feeding port of the third crawler-type oven, uniformly coating an adhesive on the release film through a coating machine, placing the release film in the third crawler-type oven for drying to form an adhesive layer, and taking out of the third crawler-type oven after the baking time is 1min, and winding for later use. Preferably, the release film is a single silicon release PET film.
And 3, carrying out mould pressing and automatic stripping treatment on the material belt taking the PVC foam as the base material and the rubberized release film after tension release through a compounding machine, so that the adhesive layer formed on the release film is transferred to the material belt taking the PVC foam as the base material, so as to obtain the motion protection adhesive tape, and winding, standing for standby.
In the specific use process, the rolled width is cut according to the required width by a cutting machine.
Example 2
Preparation of a material belt with PVC foam as a base material:
it is to be noted that the foaming treatment equipment used in the step is a crawler-type continuous foaming production line, the polar and speed can be changed, the equipment structure adopts three sections of separated foaming structure forms, the lengths are respectively 20m, 40m and 20m, and the foaming temperature of each section is controlled at 160-180 ℃; and, an operation space of the automatic coating apparatus is left between the foaming structures at each end. The baking treatment equipment is a first crawler-type baking oven with the length of 20m, the pole-changing speed can be regulated, the length is 20m, and the baking temperature is controlled at 120-130 ℃. Specifically, the preparation of the material belt taking PVC foam as a base material comprises the following steps:
step 1, weighing 70kg of PVC resin powder, 30kg of PU resin powder, 50kg of first plasticizer, 30kg of second plasticizer, 2kg of calcium-zinc liquid stabilizer and 1kg of barium-zinc stabilizer, sequentially adding into a stirring barrel, starting the stirring barrel, stirring at 120rpm for 25min until the rotation speed is uniform, and standing for 6.5h; then adding 20kg of a third plasticizer, 2.25kg of a viscosity reducer and 1.5kg of a Basoff antioxidant, and uniformly stirring for 25min at a rotating speed of 120rpm to obtain a paste A2; in this embodiment, the first plasticizer is diisononyl phthalate, the second plasticizer is acetyl tributyl citrate, and the third plasticizer is dioctyl adipate.
Step 2, weighing 70kg of PVC resin powder, 30kg of PU resin powder, 80kg of a second plasticizer, 2.5kg of a barium-zinc stabilizer and 5kg of an AC foaming agent, sequentially adding into a stirring barrel, starting the stirring barrel, controlling the rotating speed at 120rpm, stirring for 25min until the stirring is uniform, and standing for 10h; then, 20kg of a third plasticizer, 2.25kg of a viscosity reducer and 1.5kg of a basf antioxidant were added, and the mixture was stirred uniformly at 120rpm for 25 minutes to obtain a paste B2.
Step 3, starting a crawler-type continuous foaming production line, and controlling the transmission speed of the crawler-type continuous foaming production line to be 13.3m/min; placing the high-temperature release paper at a feeding port of a first section foaming structure of a crawler-type continuous foaming production line, automatically and uniformly coating paste A2 on the high-temperature release paper through a coating machine, then entering the first section foaming structure for foaming, and penetrating out of the first section foaming structure after the foaming time of 1.5min, thereby forming a bottom layer of a material belt taking PVC foam as a base material on the high-temperature release paper, wherein the thickness is 0.5mm; preferably, the high temperature release paper is plain paper.
And 4, before entering the second section of foaming structure, automatically and uniformly coating the paste B2 on the bottom layer through a coating machine, entering the second section of foaming structure for foaming, and penetrating out of the second section of foaming structure after the foaming time of 3min, so that a middle layer of a material belt taking PVC foam as a base material is formed on the high-temperature release paper, wherein the thickness is 0.5mm.
And 5, before entering the third section of foaming structure, automatically and uniformly coating the paste A2 on the bottom layer through a coating machine, entering the third section of foaming structure for foaming, and penetrating out the third section of foaming structure after the foaming time of 1.5min, thereby forming a surface layer of a material belt taking PVC foam as a base material on the high-temperature release paper, wherein the thickness is 0.5mm.
And 6, placing the high-temperature-resistant release paper and the bottom layer, the middle layer and the surface layer which are arranged on the release paper in a roller of a cooling system for cooling and shaping.
Step 7, starting a first crawler-type oven, and controlling the transmission speed to be 13.3m/min; and (3) placing the cooled and shaped high-temperature-resistant release paper and the bottom layer, the middle layer and the surface layer which are arranged on the release paper in a first crawler-type oven for deodorizing, penetrating out of the first crawler-type oven after baking for 1.5min, stripping the high-temperature-resistant release paper, obtaining a material belt taking PVC foam as a base material, and winding for standby.
Preparation of sports protective tape:
the tension release treatment equipment used in the step is a second crawler-type oven, adopts a drum-type assembly line structure, can change poles and regulate speed, has the length of 60m respectively, and is controlled at 50-70 ℃; and the drying treatment equipment is a third crawler-type oven, the pole-changing speed-adjusting can be realized, the length is respectively 10m, and the baking temperature is controlled at 35 ℃. Specifically, the preparation of the sport protection tape comprises the following steps:
step 1, starting a second crawler-type oven, wherein the transmission speed is controlled to be 13.3m/min; and stripping the rolled material belt taking the PVC foam as a base material to enable the material belt to be sheet-shaped, placing the material belt in a second crawler-type oven for tension release, and taking out of the second crawler-type oven after baking for 4.5min, and winding for later use.
Step 2, starting a third crawler-type oven, and controlling the transmission speed to be 7.5m/min; and placing a release film at the feeding port of the third crawler-type oven, uniformly coating an adhesive on the release film through a coating machine, placing the release film in the third crawler-type oven for drying to form an adhesive layer, and taking out of the third crawler-type oven after the baking time is 1.5min, and winding for later use. Preferably, the release film is a single silicon release PET film.
And 3, carrying out mould pressing and automatic stripping treatment on the material belt taking the PVC foam as the base material and the rubberized release film after tension release through a compounding machine, so that the adhesive layer formed on the release film is transferred to the material belt taking the PVC foam as the base material, so as to obtain the motion protection adhesive tape, and winding, standing for standby.
In the specific use process, the rolled width is cut according to the required width by a cutting machine.
Example 3
Preparation of a material belt with PVC foam as a base material:
it is to be noted that the foaming treatment equipment used in the step is a crawler-type continuous foaming production line, the polar and speed can be changed, the equipment structure adopts three sections of separated foaming structure forms, the lengths are respectively 20m, 40m and 20m, and the foaming temperature of each section is controlled at 150-160 ℃; and, an operation space of the automatic coating apparatus is left between the foaming structures at each end. The baking treatment equipment is a first crawler-type baking oven with the length of 20m, the pole-changing speed can be regulated, the length is 20m, and the baking temperature is controlled at 100-120 ℃. Specifically, the preparation of the material belt taking PVC foam as a base material comprises the following steps:
step 1, weighing 70kg of PVC resin powder, 30kg of PU resin powder, 50kg of first plasticizer, 30kg of second plasticizer, 3kg of calcium-zinc liquid stabilizer and 1.5kg of barium-zinc stabilizer, sequentially adding into a stirring barrel, starting the stirring barrel, stirring at 120rpm for 30min until the stirring speed is uniform, and standing for 8h; adding 20kg of a third plasticizer, 3kg of a viscosity reducer and 2kg of a Basoff antioxidant, and uniformly stirring at a rotation speed of 120rpm for 30min to obtain a paste A3; in this embodiment, the first plasticizer is diisononyl phthalate, the second plasticizer is acetyl tributyl citrate, and the third plasticizer is dioctyl adipate.
Step 2, weighing 100kg of PVC resin powder, 80kg of a second plasticizer, 3kg of a barium-zinc stabilizer and 6kg of an AC foaming agent, sequentially adding into a stirring barrel, starting the stirring barrel, controlling the rotating speed at 120rpm, stirring for 40min until the stirring speed is uniform, and standing for 12h; then, 20kg of a third plasticizer, 3kg of a viscosity reducer and 2kg of a Pasteur antioxidant were added, and the mixture was stirred uniformly at 120rpm for 30 minutes to obtain a paste B3.
Step 3, starting a crawler-type continuous foaming production line, and controlling the transmission speed of the crawler-type continuous foaming production line to be 10m/min; placing high-temperature release paper at a feeding port of a first section foaming structure of a crawler-type continuous foaming production line, automatically and uniformly coating paste A3 on the high-temperature release paper through a coating machine, then entering the first section foaming structure for foaming, and penetrating out of the first section foaming structure after 2 minutes of foaming time, thereby forming a bottom layer of a material belt taking PVC foam as a base material on the high-temperature release paper, wherein the thickness is 1.0mm; preferably, the high temperature release paper is ultra-fine sanded (fine velvet) paper.
And 4, before entering the second section of foaming structure, automatically and uniformly coating the paste B3 on the bottom layer through a coating machine, entering the second section of foaming structure for foaming, and penetrating out the second section of foaming structure after 2 minutes of foaming time, thereby forming a middle layer of a material belt taking PVC foam as a base material on the high-temperature release paper, wherein the thickness is 1.0mm.
And 5, before entering the third section of foaming structure, automatically and uniformly coating the paste A3 on the bottom layer through a coating machine, entering the third section of foaming structure for foaming, and penetrating out the third section of foaming structure after the foaming time of 4min, thereby forming a surface layer of a material belt taking PVC foam as a base material on the high-temperature release paper, wherein the thickness is 1.0mm.
And 6, placing the high-temperature-resistant release paper and the bottom layer, the middle layer and the surface layer which are arranged on the release paper in a roller of a cooling system for cooling and shaping.
Step 7, starting a first crawler-type oven, and controlling the transmission speed to be 10m/min; and (3) placing the cooled and shaped high-temperature-resistant release paper and the bottom layer, the middle layer and the surface layer which are arranged on the release paper in a first crawler-type oven for deodorizing, penetrating out of the first crawler-type oven after baking for 2min, stripping the high-temperature-resistant release paper, obtaining a material belt taking PVC foam as a base material, and winding for standby.
Preparation of sports protective tape:
the tension release treatment equipment used in the step is a second crawler-type oven, adopts a drum-type assembly line structure, can change poles and regulate speed, has the length of 60m respectively, and is controlled at 30-40 ℃; and the drying treatment equipment is a third crawler-type oven, the pole-changing speed-adjusting can be realized, the length is respectively 10m, and the baking temperature is controlled at 30 ℃. Specifically, the preparation of the sport protection tape comprises the following steps:
step 1, starting a second crawler-type oven, and controlling the transmission speed to be 10m/min; and stripping the rolled material belt taking the PVC foam as a base material to enable the material belt to be sheet-shaped, placing the material belt in a second crawler-type oven for tension release, and taking out of the second crawler-type oven after baking for 6min, and winding for later use.
Step 2, starting a third crawler-type oven, and controlling the transmission speed to be 5m/min; and placing a release film at the feeding port of the third crawler-type oven, uniformly coating an adhesive on the release film through a coating machine, placing the release film in the third crawler-type oven for drying to form an adhesive layer, and taking out of the third crawler-type oven after baking for 2min, and winding for later use. Preferably, the release film is a single silicon release PET film.
And 3, carrying out mould pressing and automatic stripping treatment on the material belt taking the PVC foam as the base material and the rubberized release film after tension release through a compounding machine, so that the adhesive layer formed on the release film is transferred to the material belt taking the PVC foam as the base material, so as to obtain the motion protection adhesive tape, and winding, standing for standby.
In the specific use process, the rolled width is cut according to the required width by a cutting machine.
The quality of the sports protective tape prepared in the three embodiments is detected respectively, and the quality is mainly detected from four performances of stretching rate, closed porosity, foaming multiplying power and adhesive peeling strength.
The method for detecting the stretching ratio comprises the following steps: cutting the prepared motion protection adhesive tape into strips with the width of 2cm, cutting out fragments with the lengths of 5cm, 10cm and 20cm respectively, stretching each fragment to the maximum length, calculating the ratio of the stretched fragment length to the initial length, and counting the average value of the calculated ratios of the fragments to obtain the motion protection adhesive tape. The closed pore rate can be calculated by observing the surface layer structure of the motion protection adhesive tape through a magnifying glass so as to reflect the waterproof performance. The adhesive peel strength can be obtained by peeling off the release film by the motion protection adhesive tape, and then adhering the release film to a flat steel plate for peeling test. The foaming ratio is the weight per cubic meter of the prepared sports protective tape so as to reflect the air permeability.
The results of the performance tests for the athletic protective tape in the above three examples are shown in table 1.
TABLE 1 detection results of athletic protective tape
Figure BDA0003470947120000141
From the detection results in table 1, it can be seen that:
1. the stretching rate of the sports protective adhesive tape of the three embodiments of the invention is more than 220%, and the stretching rate of the conventional PVC adhesive tape is not more than 150%, so that the inspection standard is met, and the sports protective adhesive tape in the embodiments of the invention has good stretching performance.
2. The closed hole rate of the sport protection adhesive tape of the three embodiments is more than 70%, the inspection standard is met, and the sport protection adhesive tape in the embodiments has good surface waterproof performance.
3. The foaming multiplying power of the sport protection adhesive tape of the three embodiments is 300% -350%, the inspection standard is met, and the sport protection adhesive tape in the embodiments has good air permeability and good tearing performance.
4. The adhesive peel strength of the sport protection tape of the three embodiments of the invention is more than 2.5N, which meets the inspection standard.
In order to detect the stability of the sport protection tape in the embodiment of the invention, the sport protection tape in the three embodiments is taken to be suitable for high-temperature test and low-temperature test respectively. Wherein, the high temperature test is to put the sport protection adhesive tape through a 60 ℃ oven for 90 days, and then measure the precipitation rate of the plasticizer and the stretching rate; the low temperature test is to measure the plasticizer precipitation rate and the stretching rate of the medical PVC elastic film after the medical PVC elastic film is placed at the low temperature of minus 10 ℃ for 90 days. As a comparative experiment, several conventional PVC tapes were selected for high temperature test and low temperature test, respectively, and the test results of each experiment are shown in table 2.
TABLE 2 stability test results of the athletic protective tape
Figure BDA0003470947120000151
From the detection results in table 2, it can be seen that:
the stretching ratio of the sport protection adhesive tape in the three embodiments of the invention is kept above 220% under the high temperature or low temperature condition, the stretching ratio is basically unchanged, and the stability is good. And the motion protective adhesive tape is free of plasticizer precipitation under the high-temperature or low-temperature condition, so that the hand feeling of the motion protective adhesive tape is not obviously hardened, and the medical PVC elastic film has the characteristics of soft and comfortable hand feeling and strong simulated human skin touch feeling.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (9)

1. The preparation method of the material belt taking the PVC foam as the base material is characterized by comprising the following steps of:
adding 70 parts of PVC resin powder, 30 parts of PU resin powder, 50 parts of first plasticizer, 30 parts of second plasticizer, 1-3 parts of calcium zinc liquid stabilizer and 0.5-1.5 parts of barium zinc stabilizer into a stirring barrel with the rotating speed of 120rpm, uniformly stirring for 20-30 min, and standing for 5-8 h; adding 20 parts of a third plasticizer, 1.5-3 parts of a viscosity reducer and 1-2 parts of a Pasteur antioxidant, and uniformly stirring at a rotating speed of 120rpm for 20-30 min to obtain a paste A;
adding 70 parts of PVC resin powder, 30 parts of PU resin powder, 80 parts of a second plasticizer, 2-3 parts of a barium-zinc stabilizer and 4-6 parts of an AC foaming agent into a stirring barrel with the rotating speed of 120rpm, uniformly stirring for 30-40 min, and standing for 8-12 h; adding 20 parts of a third plasticizer, 1.5-3 parts of a viscosity reducer and 1-2 parts of a Pasteur antioxidant, and uniformly stirring at a rotating speed of 120rpm for 20-30 min to obtain a paste B; specifically, the first plasticizer is diisononyl phthalate, the second plasticizer is acetyl tributyl citrate, and the third plasticizer is dioctyl adipate;
uniformly coating the paste A on high-temperature-resistant release paper, and placing the release paper in a foaming production line with the foaming temperature of 150-200 ℃ for foaming for 1-2 min to form a bottom layer of a material belt taking PVC foam as a base material;
uniformly coating the paste B on the bottom layer, and placing the paste B in a foaming production line with the foaming temperature of 150-200 ℃ for foaming for 2-4 min to form a middle layer of a material belt taking PVC foam as a base material;
uniformly coating the paste A on the middle layer, and placing the paste A in a foaming production line with the foaming temperature of 150-200 ℃ for foaming for 1-2 min to form a surface layer of a material belt taking PVC foam as a base material;
and (3) placing the high-temperature-resistant release paper and the bottom layer, the middle layer and the surface layer which are arranged on the release paper in a cooling system for cooling shaping and deodorizing treatment, peeling the high-temperature-resistant release paper to obtain the material belt taking PVC foam as a base material, and winding for standby.
2. The method for preparing the material belt based on the PVC foam according to claim 1, wherein the specific steps of the deodorizing treatment comprise:
and (3) placing the cooled and shaped high-temperature-resistant release paper and the bottom layer, the middle layer and the surface layer which are arranged on the release paper in an oven with the baking temperature of 100-140 ℃ for deodorizing, wherein the baking time is 1-2 min.
3. The method for preparing the material belt taking the PVC foam as the base material according to claim 1, wherein the thickness ranges of the bottom layer, the middle layer and the surface layer of the material belt taking the PVC foam as the base material are all 0.1 mm-1.0 mm.
4. The material belt taking PVC foam as a base material is characterized by being prepared by the preparation method of any one of claims 1-3, wherein the material belt taking PVC foam as the base material comprises a bottom layer, a middle layer and a surface layer which are sequentially laminated from bottom to top; the bottom layer, the middle layer and the surface layer are all formed through foaming preparation, and the preparation materials of the bottom layer and the surface layer are the same.
5. The material strip based on PVC foam according to claim 4, wherein the preparation materials of the bottom layer and the surface layer comprise the following components:
70 parts of PVC resin powder, 30 parts of PU resin powder, 50 parts of first plasticizer, 30 parts of second plasticizer, 1-3 parts of calcium-zinc liquid stabilizer, 0.5-1.5 parts of barium-zinc stabilizer, 20 parts of third plasticizer, 1.5-3 parts of viscosity reducer and 1-2 parts of Basoff antioxidant.
6. The material strip based on PVC foam according to claim 4, wherein the preparation material of the middle layer comprises the following components:
70 parts of PVC resin powder, 30 parts of PU resin powder, 80 parts of a second plasticizer, 2-3 parts of a barium-zinc stabilizer, 4-6 parts of an AC foaming agent, 20 parts of a third plasticizer, 1.5-3 parts of a viscosity reducer and 1-2 parts of a Basf antioxidant.
7. A sport protection tape comprising the PVC foam-based material tape according to any one of claims 4 to 6 and a release film bonded to the PVC foam-based material tape.
8. The athletic protective tape of claim 7, wherein the athletic protective tape is prepared by a process comprising the steps of:
stripping the rolled material belt taking PVC foam as a base material to enable the material belt to be in a sheet shape, putting the material belt into an oven with a baking temperature of 30-80 ℃ for releasing tension, baking for 3-6 min, and then rolling for later use;
uniformly coating an adhesive on the release film, placing the release film in an oven with a baking temperature of 30-40 ℃ to dry the release film to form a bonding layer, and winding the release film for standby after the baking time is 1-2 min;
and carrying out mould pressing and automatic stripping treatment on the material belt taking the PVC foam as the base material and the release film after the tension is released, so that the adhesive layer formed on the release film is shifted to the material belt taking the PVC foam as the base material, thereby obtaining the motion protection adhesive tape, and winding, standing for standby.
9. The athletic protective tape of claim 7 or 8, wherein the release film is a single silicon release PET film.
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CN102532754A (en) * 2011-12-27 2012-07-04 华东理工大学 Crosslinking type polyvinyl chloride/thermoplastic polyurethane light foaming material and preparation method thereof
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