CN112140678A - Composite yoga mat and preparation method thereof - Google Patents

Composite yoga mat and preparation method thereof Download PDF

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Publication number
CN112140678A
CN112140678A CN202011058908.XA CN202011058908A CN112140678A CN 112140678 A CN112140678 A CN 112140678A CN 202011058908 A CN202011058908 A CN 202011058908A CN 112140678 A CN112140678 A CN 112140678A
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CN
China
Prior art keywords
layer
pvc
parts
yoga mat
foaming
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Pending
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CN202011058908.XA
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Chinese (zh)
Inventor
严振坚
夏冠明
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Guangdong Yuanhua New Material Co ltd
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Guangdong Yuanhua New Material Co ltd
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Priority to CN202011058908.XA priority Critical patent/CN112140678A/en
Publication of CN112140678A publication Critical patent/CN112140678A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
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Abstract

The invention discloses a composite yoga mat and a preparation method thereof, wherein the yoga mat comprises a base layer, a printing layer and an antibacterial wear-resistant layer, the base layer comprises a PVC foaming layer and base cloth arranged in the PVC foaming layer, the printing layer comprises a PVC laminating film and a printing ink layer printed on the PVC laminating film, and the antibacterial wear-resistant layer is a modified antibacterial TPU film; the preparation method comprises the steps of preparing the modified antibacterial TPU film, preparing the printing layer, preparing the substrate layer and compounding. According to the composite yoga mat and the preparation method thereof, the base layer, the printing layer and the antibacterial wear-resistant layer are arranged, so that the color and the pattern are rich, the moisture absorption and antibacterial effects are excellent, the wear-resistant and anti-slip performance is good, the cost is low, and the composite yoga mat is suitable for mass consumption.

Description

Composite yoga mat and preparation method thereof
Technical Field
The invention relates to the technical field of yoga mats, in particular to a composite yoga mat and a preparation method thereof.
Background
Yoga motion is a fashion motion of current society, and yoga mat is the equipment indispensable in the yoga motion, mainly plays the guard action, and travelling comfort and security when improving to do yoga, and current yoga mat is the TPE foaming usually, materials such as PVC foaming, EVA foaming, rubber foaming, CBR foaming, all has certain elasticity and wearability, can provide the protection for the yoga motion person. Wherein, yoga mat that PVC expanded material made is liked by the consumer because of its low price, but, PVC expanded material has following defect: (1) in order to improve the flexibility of PVC, a large amount of plasticizer is usually added into the material, and the plasticizer can be separated out in the use process, and can permeate into the skin after contacting the skin, so that certain harm is caused; (2) the existing yoga mat generally has the phenomenon of single pattern and color, mostly is a single-color product, lacks pattern or texture, has poor ornamental effect, and has general friction resistance of PVC, and after the existing yoga mat is used for a period of time, the color fastness is reduced, and the appearance effect is poor; (3) the yoga mat made of the PVC material does not have the mildew-proof and antibacterial effects, has poor perspiration effect, and is easy to generate mildew after sweat absorption.
In the prior art, the yoga mat is also prepared by adopting the thermoplastic polyurethane elastomer material TPU with good wear resistance, toughness, transparency and elasticity, but the TPU is high in cost and high in price and cannot meet the requirement of general consumers on the price, so that the application of the TPU in the yoga mat market is limited. Therefore, the yoga mat which is low in price, excellent in performance, rich in patterns and has an antibacterial effect is urgently needed.
It is seen that improvements and enhancements to the prior art are needed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a composite yoga mat and a preparation method thereof, and aims to overcome the defects of single surface pattern and texture, poor ornamental effect, poor wear resistance and no antibacterial property of the PVC yoga mat in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a compound yoga mat, wherein, yoga mat includes stratum basale, printing layer and antibiotic wearing layer, the stratum basale includes the PVC foaming layer and sets up the base cloth in the PVC foaming layer, the printing layer includes PVC film and the printing ink layer of printing on PVC film, antibiotic wearing layer is the antibiotic TPU membrane of modification.
In the composite yoga mat, the PVC foaming layer comprises the following components in parts by weight: 80-120 parts of PVC paste powder, 60-100 parts of DOTP, 2-4 parts of potassium-zinc stabilizer, 40-80 parts of active calcium carbonate and 4-8 parts of composite foaming slurry.
In the compound yoga mat, the compound foaming slurry comprises an azodicarbonamide foaming agent, DOTP, sodium bicarbonate and active zinc oxide.
In the composite yoga mat, the weight ratio of the azodicarbonamide foaming agent to the DOTP to the sodium bicarbonate to the active zinc oxide is 25:25:4: 2.
In the composite yoga mat, the modified antibacterial TPU film comprises the following components in parts by weight: 80-120 parts of TPU resin, 0.5-1.5 parts of zinc stearate, 5-10 parts of nano metal particles, 3-5 parts of auxiliary agent and 10-15 parts of filler.
In the composite yoga mat, the nano metal particles comprise nano silver particles or nano zinc particles.
In the composite yoga mat, the auxiliary agent comprises a dispersing agent, a compatilizer and a plasticizer.
In compound yoga mat, the bottom of stratum basale still is equipped with the skid resistant course, the skid resistant course is obtained after the hydrophilic anti-skidding thick liquids of coating in stratum basale bottom surface solidify.
In compound yoga mat, the thickness of stratum basale is 3 ~ 8mm, the printing layer thickness is 0.05 ~ 0.1mm, antibiotic wearing layer thickness is 0.02 ~ 0.05 mm.
A method of making a composite yoga mat, the method comprising the steps of:
s1, preparing a modified antibacterial TPU film: taking all components in the modified antibacterial TPU film, uniformly mixing, and carrying out tape casting by using tape casting equipment to prepare a modified antibacterial TPU film;
s2, preparing a printing layer: mixing the components in the PVC film, calendering to form a film, and printing a pattern on the surface of the PVC film by a printer to obtain a printing layer;
s3, preparing a basal layer: taking the components in the PVC foaming layer, stirring and mixing to obtain PVC mixed slurry, then coating the PVC mixed slurry on the base cloth, and foaming to obtain the PVC foaming layer;
s4, compounding: and (3) adhering the printing layer obtained in the step S2 to the surface of the PVC foaming layer obtained in the step S3, adhering the modified antibacterial TPU film obtained in the step S1 to the surface of the printing layer through polyurethane glue, and performing hot pressing to obtain the textured composite yoga mat.
Has the advantages that:
the invention provides a composite yoga mat and a preparation method thereof, wherein a base layer, a printing layer and an antibacterial wear-resistant layer are arranged, the base layer is a PVC foaming layer and is a main body structure of the yoga mat, the cost of the yoga mat can be reduced, the printing layer adopts a calendered and molded PVC calendering film as a carrier, and has abundant colors and patterns by printing the patterns, so that the ornamental effect of the yoga mat is improved, and the antibacterial wear-resistant layer is a TPU film with excellent wear resistance, scratch resistance, moisture absorption and antibacterial property, is good in transparency, can fully display the patterns of the printing layer, and can protect the patterns of the printing layer from fading. The yoga mat provided by the invention has the advantages of rich colors and patterns, excellent moisture absorption and antibacterial effects, low cost and suitability for mass consumption, and in the wear resistance test, the friction times are up to over 800 turns, the surface color fastness reaches 4-5 grade, and the yoga mat can pass the EN71-3 test.
Drawings
Fig. 1 is a schematic structural view of the composite yoga mat provided in the present invention.
Detailed Description
The invention provides a composite yoga mat and a preparation method thereof, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail by the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a composite yoga mat which is of a rectangular structure and comprises a base layer 1, a printing layer 2 and an antibacterial wear-resistant layer 3, wherein the base layer 1 comprises a PVC foaming layer and base cloth arranged in the PVC foaming layer, the printing layer 2 comprises a PVC laminating film and printing patterns printed on the PVC laminating film, and the antibacterial wear-resistant layer 3 is a modified antibacterial TPU film. The thickness of stratum basale is 3 ~ 8mm, the thickness of printing layer is 0.05 ~ 0.1mm, the thickness of antibiotic wearing layer is 0.02 ~ 0.05mm, the printing layer passes through the hot pressing mode and laminates on stratum basale surface, antibiotic wearing layer passes through glue adhesion in printing layer surface, forms stratum basale, printing layer and antibiotic wearing layer three-layer sandwich structure.
Specifically, the base layer 1 comprises a PVC foaming layer and base cloth arranged in the PVC foaming layer, the base cloth is artificial fiber cloth with grid textures, after PVC foaming slurry is coated on the base cloth in a scraping mode, the base layer with the surface provided with special anti-skidding textures can be formed through foaming, the anti-skidding textures are directly related to the grid textures of the base cloth, and the base cloth with different grid textures can be selected according to actual needs in the specific implementation process to obtain the surface textures with special structures. This application regards as stratum basale 1 with the PVC foaming layer that contains the base cloth, and thickness is 3 ~ 8mm, for yoga mat's major structure, because the low price on PVC foaming layer, elasticity is good, consequently can reduce yoga mat's cost.
Specifically, the PVC foaming layer comprises the following components in parts by weight: 80-120 parts of PVC paste powder, 60-100 parts of DOTP, 2-4 parts of potassium-zinc stabilizer, 40-80 parts of active calcium carbonate and 4-8 parts of composite foaming slurry. The PVC paste powder is prepared by adopting an emulsion method, has the polymerization degree of 1000-1300, has fine granularity and is suitable for a foaming process. DOTP is a plasticizer, and can improve the flexibility and plasticity of PVC. The potassium zinc stabilizer can prevent PVC from being heated and decomposed in the preparation process, and improve the thermal stability of PVC. The composite foaming slurry has a foaming function, can promote PVC to foam in the preparation process, and obtains a PVC foaming layer with elasticity and impact resistance. The components in the PVC foaming layer are mixed and foamed to obtain the base layer with excellent elasticity.
Specifically, in the PVC foam layer, the composite foam slurry includes azodicarbonamide foaming agent, DOTP, sodium bicarbonate, and active zinc oxide. When the azodicarbonamide foaming agent is singly used as the foaming agent, the foaming reaction temperature is higher, so that the stability of PVC is poorer, and the dosage of the stabilizer needs to be increased. This application can reduce AC foaming temperature through adding DOTP, sodium bicarbonate and active zinc oxide in the azodicarbonamide foamer, and the sodium bicarbonate of addition can increase the gassing volume, improves the cell aperture, makes the foaming finer, improves PVC's shock resistance, and then improves yoga mat's elasticity and wearability. In addition, the active zinc oxide also has an antibacterial effect, and can improve the mildew-proof and antibacterial properties of the basal layer.
Preferably, in the composite foaming paddle, when the weight ratio of the azodicarbonamide foaming agent to the DOTP to the sodium bicarbonate to the active zinc oxide is 25:25:4:2, the composite foaming paddle has the characteristics of low foaming temperature, good foaming effect and fine and compact pore diameter, and the obtained substrate layer has excellent elasticity and impact resistance.
Specifically, printing layer 2 includes PVC film and the printing ink layer of printing on PVC film, PVC film includes according to parts by weight: 80-120 parts of PVC resin powder, 50-80 parts of DOTP plasticizer, 2-4 parts of potassium-zinc stabilizer, 5-10 parts of nano calcium carbonate and 10 parts of S100 porous PVC. The PVC resin powder is SG-3 type PVC resin powder and is suitable for calendaring and forming; the S100 porous PVC is PVC with a K value of 100, has a porous structure, can adsorb a plasticizer, reduces the precipitation of the plasticizer, and improves the adhesive force of printing ink on a PVC film. The PVC film is prepared by adopting a calendaring process, the film is thin, printing ink is convenient to print, and the SG-3 type PVC resin has strong binding force with the printing ink, so that the adhesiveness of the printing ink can be improved.
Specifically, in the composite yoga mat, the modified antibacterial TPU film comprises 80-120 parts by weight of TPU resin, 0.5-1.5 parts by weight of zinc stearate, 5-10 parts by weight of nano metal particles, 3-5 parts by weight of an auxiliary agent and 10-15 parts by weight of a filler. The TPU resin is 70A type TPU resin and has the characteristics of good elasticity, high transparency and good wear resistance. The zinc stearate has lubricating and demolding effects. The nano metal particles are nano metal ions with an antibacterial effect, specifically comprise nano silver particles and nano zinc particles, and are preferably nano zinc particles. The auxiliary agent comprises a dispersing agent, a compatilizer and a plasticizer in a weight ratio of 1:1:1, wherein the dispersing agent is polyacrylamide, the compatilizer is polyethylene grafted maleic anhydride, and the plasticizer is DOTP. The filler comprises activated calcium carbonate. The modified antibacterial TPU film is prepared by adopting a tape casting process, has excellent elasticity and skid resistance, and can protect an ink layer on a printing layer and increase the pattern durability of the printing layer; and the modified antibacterial TPU film has good hygroscopicity, can absorb and disperse sweat dropped on the surface, improves the anti-skid property, has the mildew-proof antibacterial effect, can kill bacteria, and avoids the yoga mat from mildewing.
Preferably, in the compound yoga mat, the bottom of stratum basale still is equipped with the skid resistant course, the skid resistant course is through the bottom surface coating hydrophilicity anti-skidding thick liquids at the stratum basale, obtains after the solidification drying. The water-based anti-slip slurry comprises one of water-based acrylate emulsion or water-based polyurethane emulsion. The non-slip layer can improve yoga mat's skid resistance, especially in there is the place of water.
The invention also discloses a preparation method of the composite yoga mat, which comprises the following steps:
s1, preparing a modified antibacterial TPU film: taking the TPU resin, zinc stearate, nano metal particles, an auxiliary agent and a filler in the modified antibacterial TPU film according to a ratio, uniformly mixing the TPU resin and the nano metal particles, reacting at 180-200 ℃ for 2-4 h, drying after the reaction is finished, adding the mixture into a screw extruder after the drying is finished, simultaneously adding the zinc stearate, the auxiliary agent and the filler, uniformly mixing through the screw extruder, drying, and carrying out tape casting through a flow casting device after the water content is reduced to 0.02% to obtain the modified antibacterial TPU film;
s2, preparing a printing layer: get each composition in the PVC film that delays according to the ratio, the high-speed stirring mixes, through banburying, extrude, mixing technology, the film of repressing calendering, the rolling after the cooling obtains the PVC film that delays, passes through the PVC film that delays and prints the pattern with the PVC film that delays, printing ink for the printing is high temperature resistant printing ink, and adhesive force in the PVC film that delays is good, through printing, obtains the printing layer that has various decorative pattern effects.
S3, preparing a basal layer: and taking the components in the composite foaming slurry according to the proportion, and uniformly stirring to obtain the composite foaming slurry. And then taking the components in the PVC foaming layer, and mixing the PVC paste powder and the active calcium carbonate for 1min by a high-speed mixer to obtain a mixture. Adding DOTP and a potassium-zinc stabilizer into a pulp bucket, slowly adding the composite foaming pulp while stirring, uniformly mixing, continuously stirring, slowly adding the mixture, stirring at a high speed for 30min after adding, and then stirring at a low speed for 2h to obtain the PVC mixed pulp. Uniformly coating and scraping the PVC mixed slurry on the base cloth, wherein the coating and scraping amount is 500-2000 g/m2And after the coating and scraping are finished, the coating and scraping enter a foaming furnace for foaming, wherein the foaming temperature is as follows: the temperature of the first zone is 160-200 ℃, the temperature of the second zone is 190-205 ℃, the temperature of the third zone is 200-210 ℃, the temperature of the fourth zone is 160-200 ℃, the moving speed is 8-26 m/min, and the base layer is obtained after foaming.
S4, compounding: and (3) bonding the printing layer obtained in the step (S2) to the surface of the PVC foaming layer obtained in the step (S3), then bonding the modified antibacterial TPU film obtained in the step (S1) to the surface of the printing layer through polyurethane glue, and performing hot pressing to obtain the composite yoga mat with textures and patterns.
In some embodiments, the bottom of the base layer is further provided with an anti-slip layer, the preparation method of the composite yoga mat further comprises the preparation of the anti-slip layer, and the preparation method specifically comprises the steps of coating water-scraping anti-slip slurry on the bottom of the base layer, and drying at 120 ℃ to obtain the composite yoga mat with the anti-slip layer.
Example 1
The utility model provides a compound yoga mat, yoga mat includes stratum basale 1, printing layer 2 and antibiotic wearing layer 3 to and set up the skid resistant course in the stratum basale bottom. The thickness of the basal layer is 5mm, the thickness of the printing layer is 0.08mm, and the thickness of the antibacterial wear-resistant layer is 0.04 mm. The base layer comprises a PVC foaming layer and base cloth arranged in the PVC foaming layer, and the PVC foaming layer comprises the following components in parts by weight: 100 parts of PVC paste powder, 90 parts of DOTP, 3 parts of potassium-zinc stabilizer, 60 parts of active calcium carbonate and 6 parts of composite foaming slurry. The composite foaming slurry comprises an azodicarbonamide foaming agent, DOTP, sodium bicarbonate and active zinc oxide in a weight ratio of 25:25:4: 2.
The printing layer comprises a PVC (polyvinyl chloride) film and a printing pattern printed on the PVC film, and the PVC film comprises the following components in parts by weight: 100 parts of PVC resin powder, 60 parts of DOTP plasticizer, 3 parts of potassium-zinc stabilizer, 7 parts of nano calcium carbonate and 10 parts of S100 porous PVC.
The antibacterial wear-resistant layer is a modified antibacterial TPU film, and the modified antibacterial TPU film comprises the following components in parts by weight: 100 parts of TPU resin, 1 part of zinc stearate, 8 parts of nano zinc particles, 4 parts of auxiliary agent and 12 parts of filler.
The preparation method of the composite yoga mat comprises the following steps:
s1, preparing a modified antibacterial TPU film: the preparation method comprises the steps of taking TPU resin, zinc stearate, nano metal particles, an auxiliary agent and a filler according to a ratio, uniformly mixing the TPU resin and the nano metal particles, reacting for 2.5 hours at 190 ℃, drying after the reaction is finished, then adding into a screw extruder, simultaneously adding the zinc stearate, the auxiliary agent and the filler, uniformly mixing through the screw extruder, drying, and obtaining the modified antibacterial TPU film after the water content is reduced to 0.02%, and then carrying out tape casting through a flow casting device.
S2, preparing a printing layer: taking the components in the PVC film according to the proportion, stirring and mixing at a high speed, then carrying out processes such as banburying, extrusion, mixing and the like, then carrying out calendering to form a film, cooling and then rolling to obtain the PVC film, and printing the PVC film with patterns by a printer to obtain the printing layer with various pattern effects.
S3, preparing a basal layer: and taking the components in the composite foaming slurry according to the proportion, and uniformly stirring to obtain the composite foaming slurry. Taking the components in the PVC foaming layer according to the proportionFirstly, mixing PVC paste powder and active calcium carbonate for 1min by a high-speed mixer to obtain a mixture. Adding DOTP and potassium and zinc into a slurry barrel for stabilization, then slowly adding the composite foaming slurry while stirring, uniformly mixing, slowly adding the mixture while stirring, after the addition is finished, firstly stirring at a high speed for 30min, and then stirring at a low speed for 2h to obtain PVC mixed slurry; uniformly coating the PVC mixed slurry on a base cloth, wherein the coating amount is 1500g/m2And after the coating and scraping are finished, the coating and scraping enter a foaming furnace for foaming, wherein the foaming temperature is as follows: the temperature of the first zone is 180 ℃, the temperature of the second zone is 200 ℃, the temperature of the third zone is 200 ℃, the temperature of the fourth zone is 180 ℃, the moving speed is 15m/min, and the substrate layer is obtained after foaming is finished.
S4, compounding: and step S2, the printing layer obtained in the step S2 is attached to the surface of the base layer obtained in the step S3, the modified antibacterial TPU film obtained in the step S1 is attached to the surface of the printing layer through polyurethane glue, and then the modified antibacterial TPU film is hot-pressed to obtain the composite yoga mat with the texture.
S5, preparing an anti-skid layer: and (3) coating water-scraping anti-slip slurry on the bottom of the base layer, and drying at 120 ℃ to obtain the composite yoga mat with the anti-slip layer.
Example 2
The utility model provides a compound yoga mat, yoga mat includes stratum basale 1, printing layer 2 and antibiotic wearing layer 3 to and set up in the skid resistant course of stratum basale bottom, the thickness of stratum basale is 3mm, and the printing layer thickness is 0.1mm, and antibiotic wearing layer thickness is 0.05 mm.
The base layer comprises a PVC foaming layer and base cloth arranged in the PVC foaming layer, and the PVC foaming layer comprises the following components in parts by weight: 80 parts of PVC paste powder, 60 parts of DOTP, 2 parts of potassium-zinc stabilizer, 80 parts of activated calcium carbonate and 8 parts of composite foaming slurry. The composite foaming slurry comprises an azodicarbonamide foaming agent, DOTP, sodium bicarbonate and active zinc oxide in a weight ratio of 25:25:4: 2.
The printing layer comprises a PVC (polyvinyl chloride) film and a printing pattern printed on the PVC film, wherein the PVC film comprises 80 parts by weight of PVC resin powder, 50 parts by weight of DOTP plasticizer, 2 parts by weight of potassium zinc stabilizer, 5 parts by weight of nano calcium carbonate and 10 parts by weight of S100 porous PVC.
The antibacterial wear-resistant layer is a modified antibacterial TPU film, and the modified antibacterial TPU film comprises the following components in parts by weight: 80 parts of TPU resin, 0.5 part of zinc stearate, 5 parts of nano silver particles, 3 parts of auxiliary agent and 10 parts of filler.
The preparation method of the composite yoga mat is the same as that in the embodiment 1, the specific steps are shown in the embodiment 1, and the differences are as follows:
(1) in the step S1, the reaction temperature of the TPU resin and the nano metal particles is 180 ℃, and the reaction time is 4 hours;
(2) in step S3, the scraping amount of the PVC mixed slurry is 800g/m2；
(3) In step S3, the foaming temperature is: the temperature of the first zone was 160 deg.C, the temperature of the second zone was 190 deg.C, the temperature of the third zone was 200 deg.C, the temperature of the fourth zone was 160 deg.C, and the moving speed was 8 m/min.
Example 3
The utility model provides a compound yoga mat, yoga mat includes stratum basale 1, printing layer 2 and antibiotic wearing layer 3 to and set up the skid resistant course in the stratum basale bottom. The thickness of the substrate layer is 8mm, the thickness of the printing layer is 0.05mm, and the thickness of the antibacterial wear-resistant layer is 0.02 mm.
The base layer comprises a PVC foaming layer and base cloth arranged in the PVC foaming layer, and the PVC foaming layer comprises the following components in parts by weight: 120 parts of PVC paste powder, 100 parts of DOTP, 4 parts of potassium-zinc stabilizer, 40 parts of active calcium carbonate and 4 parts of composite foaming slurry. The composite foaming slurry comprises an azodicarbonamide foaming agent, DOTP, sodium bicarbonate and active zinc oxide in a weight ratio of 25:25:4: 2.
The printing layer comprises a PVC (polyvinyl chloride) film and a printing pattern printed on the PVC film, wherein the PVC film comprises 120 parts by weight of PVC resin powder, 80 parts by weight of DOTP plasticizer, 4 parts by weight of potassium zinc stabilizer, 10 parts by weight of nano calcium carbonate and 10 parts by weight of S100 porous PVC.
The antibacterial wear-resistant layer is a modified antibacterial TPU film, and the modified antibacterial TPU film comprises the following components in parts by weight: 120 parts of TPU resin, 1.5 parts of zinc stearate, 10 parts of nano zinc particles, 5 parts of auxiliary agent and 15 parts of filler.
The preparation method of the composite yoga mat is the same as that in the embodiment 1, the specific steps are shown in the embodiment 1, and the differences are as follows:
(1) in the step S1, the reaction temperature of the TPU resin and the nano metal particles is 200 ℃, and the reaction time is 2 hours;
(2) in step S3, the scraping amount of the PVC mixed slurry is 2000g/m2；
(3) In step S3, the foaming temperature is: the temperature in the first zone was 200 deg.c, the temperature in the second zone was 205 deg.c,
the temperature in the third zone was 210 ℃ and the temperature in the fourth zone was 200 ℃ and the moving speed was 26 m/min.
Example 4
The utility model provides a compound yoga mat, yoga mat includes stratum basale 1, printing layer 2 and antibiotic wearing layer 3, the thickness of stratum basale is 5mm, and the printing layer thickness is 0.08mm, and antibiotic wearing layer thickness is 0.03 mm.
The base layer comprises a PVC foaming layer and base cloth arranged in the PVC foaming layer, and the PVC foaming layer comprises the following components in parts by weight: 90 parts of PVC paste powder, 70 parts of DOTP, 3 parts of potassium-zinc stabilizer, 50 parts of active calcium carbonate and 5 parts of composite foaming slurry. The composite foaming slurry comprises an azodicarbonamide foaming agent, DOTP, sodium bicarbonate and active zinc oxide in a weight ratio of 25:25:4: 2.
The printing layer comprises a PVC (polyvinyl chloride) film and a printing pattern printed on the PVC film, wherein the PVC film comprises 90 parts by weight of PVC resin powder, 60 parts by weight of DOTP plasticizer, 3 parts by weight of potassium zinc stabilizer, 6 parts by weight of nano calcium carbonate and 10 parts by weight of S100 porous PVC.
The antibacterial wear-resistant layer is a modified antibacterial TPU film, and the modified antibacterial TPU film comprises the following components in parts by weight: 90 parts of TPU resin, 1.2 parts of zinc stearate, 6 parts of nano silver particles, 4 parts of an auxiliary agent and 11 parts of a filler.
The preparation method of the composite yoga mat is the same as that in the embodiment 1, the specific steps are shown in the embodiment 1, and the differences are as follows:
(1) in the step S1, the reaction temperature of the TPU resin and the nano metal particles is 185 ℃, and the reaction time is 3.5 h;
(2) in step S3, the scraping amount of the PVC mixed slurry is 1400g/m2；
(3) In step S3, the foaming temperature is: the temperature in the first zone was 170 deg.c, the temperature in the second zone was 195 deg.c,
the temperature of the third zone is 205 ℃, the temperature of the fourth zone is 185 ℃, and the moving speed is 20 m/min;
(4) there is no step S4 of preparing the anti-slip layer.
Example 5
The utility model provides a compound yoga mat, yoga mat includes stratum basale 1, printing layer 2 and antibiotic wearing layer 3 to and set up in the skid resistant course of stratum basale bottom, the thickness of stratum basale is 7mm, and the printing layer thickness is 0.09mm, and antibiotic wearing layer thickness is 0.04 mm.
The base layer comprises a PVC foaming layer and base cloth arranged in the PVC foaming layer, and the PVC foaming layer comprises the following components in parts by weight: 110 parts of PVC paste powder, 90 parts of DOTP, 4 parts of potassium-zinc stabilizer, 70 parts of activated calcium carbonate and 6 parts of composite foaming slurry. The composite foaming slurry comprises an azodicarbonamide foaming agent, DOTP, sodium bicarbonate and active zinc oxide in a weight ratio of 25:25:4: 2.
The printing layer comprises a PVC (polyvinyl chloride) film and a printing pattern printed on the PVC film, wherein the PVC film comprises 110 parts by weight of PVC resin powder, 70 parts by weight of DOTP plasticizer, 4 parts by weight of potassium zinc stabilizer, 9 parts by weight of nano calcium carbonate and 10 parts by weight of S100 porous PVC.
The antibacterial wear-resistant layer is a modified antibacterial TPU film, and the modified antibacterial TPU film comprises the following components in parts by weight: 110 parts of TPU resin, 0.8 part of zinc stearate, 9 parts of nano zinc particles, 4 parts of auxiliary agent and 14 parts of filler.
The preparation method of the composite yoga mat is the same as that in the embodiment 1, the specific steps are shown in the embodiment 1, and the differences are as follows:
(1) in the step S1, the reaction temperature of the TPU resin and the nano metal particles is 195 ℃, and the reaction time is 3.5 h;
(2) in step S3, the coating amount of the PVC mixed slurry is 1800g/m2；
(3) In step S3, the foaming temperature is: the temperature in the first zone was 170 deg.C, the temperature in the second zone was 200 deg.C, the temperature in the third zone was 205 deg.C, the temperature in the fourth zone was 180 deg.C, and the moving speed was 18 m/min.
The composite yoga mats obtained in examples 1-5 were tested for abrasion resistance, surface color fastness and EN71-3, and all samples were rubbed in a taber abrasion tester for over 800 revolutions, the surfaces were still free of abrasion, the surface color fastness was grade 4-5, and all passed the test of EN 71-3.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.

Claims (10)

1. The utility model provides a compound yoga mat, a serial communication port, yoga mat includes stratum basale, printing layer and antibiotic wearing layer, the stratum basale includes the PVC foaming layer and sets up the base cloth in the PVC foaming layer, the printing layer includes PVC film and the printing ink layer of printing on PVC film, antibiotic wearing layer is the antibiotic TPU membrane of modification.
2. The composite yoga mat of claim 1, wherein said PVC foam layer comprises, in parts by weight: 80-120 parts of PVC paste powder, 60-100 parts of DOTP, 2-4 parts of potassium-zinc stabilizer, 40-80 parts of active calcium carbonate and 4-8 parts of composite foaming slurry.
3. The composite yoga mat of claim 2, wherein said composite foam slurry comprises azodicarbonamide foaming agent, DOTP, sodium bicarbonate, activated zinc oxide.
4. The composite yoga mat of claim 3, wherein the weight ratio of the azodicarbonamide foaming agent, DOTP, sodium bicarbonate and active zinc oxide in the composite foaming slurry is 25:25:4: 2.
5. The composite yoga mat of claim 1, wherein said modified antimicrobial TPU film comprises, in parts by weight: 80-120 parts of TPU resin, 0.5-1.5 parts of zinc stearate, 5-10 parts of nano metal particles, 3-5 parts of auxiliary agent and 10-15 parts of filler.
6. The composite yoga mat of claim 5, wherein said nano-metal particles comprise nano-silver particles or nano-zinc particles.
7. The composite yoga mat of claim 5, wherein said auxiliary agents comprise dispersants, compatibilizers, plasticizers.
8. The composite yoga mat of claim 1, wherein the bottom of the base layer is further provided with an anti-slip layer, and the anti-slip layer is obtained by curing hydrophilic anti-slip slurry coated on the bottom surface of the base layer.
9. The composite yoga mat of claim 1, wherein the substrate layer has a thickness of 3-8 mm, the printing layer has a thickness of 0.05-0.1 mm, and the antibacterial wear layer has a thickness of 0.02-0.05 mm.
10. The method of making a composite yoga mat according to any of claims 1-9, wherein the method comprises the steps of:
s1, preparing a modified antibacterial TPU film: the components in the modified antibacterial TPU film are taken and mixed evenly,
carrying out tape casting by using tape casting equipment to prepare a modified antibacterial TPU film;
s2, preparing a printing layer: mixing the components in the PVC film, calendering to form a film, and printing a pattern on the surface of the PVC film by a printer to obtain a printing layer;
s3, preparing a basal layer: taking the components in the PVC foaming layer, stirring and mixing to obtain PVC mixed slurry, then coating the PVC mixed slurry on the base cloth, and foaming to obtain the PVC foaming layer;
s4, compounding: and (3) adhering the printing layer obtained in the step S2 to the surface of the PVC foaming layer obtained in the step S3, adhering the modified antibacterial TPU film obtained in the step S1 to the surface of the printing layer through polyurethane glue, and performing hot pressing to obtain the textured composite yoga mat.
CN202011058908.XA 2020-09-30 2020-09-30 Composite yoga mat and preparation method thereof Pending CN112140678A (en)

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Publication number Priority date Publication date Assignee Title
CN114196136A (en) * 2021-12-27 2022-03-18 广东远华新材料股份有限公司 PVC yoga mat and preparation method thereof
CN114261050A (en) * 2021-12-13 2022-04-01 浙江汇锋智造科技有限公司 Foaming decorative film material and processing device thereof
CN115195248A (en) * 2021-04-08 2022-10-18 江西伟群塑胶有限公司 High-strength anti-tearing yoga ground mat and production process thereof

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CN108189509A (en) * 2017-12-25 2018-06-22 帝高力装饰材料（江苏）有限公司 A kind of TPU floors and preparation method thereof
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CN108189509A (en) * 2017-12-25 2018-06-22 帝高力装饰材料（江苏）有限公司 A kind of TPU floors and preparation method thereof
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Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN115195248A (en) * 2021-04-08 2022-10-18 江西伟群塑胶有限公司 High-strength anti-tearing yoga ground mat and production process thereof
CN114261050A (en) * 2021-12-13 2022-04-01 浙江汇锋智造科技有限公司 Foaming decorative film material and processing device thereof
CN114261050B (en) * 2021-12-13 2023-10-20 浙江汇锋智造科技有限公司 Foaming decorative film material and processing device thereof
CN114196136A (en) * 2021-12-27 2022-03-18 广东远华新材料股份有限公司 PVC yoga mat and preparation method thereof

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Application publication date: 20201229