阅读说明：本技术 一种无粘结剂的pupvc复合瑜伽垫及其制备方法 (Adhesive-free PUPVC composite yoga mat and preparation method thereof ) 是由 邬伟东 于 2020-12-09 设计创作，主要内容包括：本发明公开了一种无粘结剂的PUPVC复合瑜伽垫及其制备方法,包括PU基层和PVC层,PVC层单面复合连接PU基层,PVC层以重量份计,其原料组成包括：PVC95-110份、环保增塑剂80-95份、填充剂45-60份、稳定剂2-4份、发泡剂3-7份、色粉0.5-1份和软化剂5-10份。将PVC、稳定剂和环保增塑剂依次加入容器中,再向所述容器中依次加入填充剂、发泡剂和色粉,混合后搅拌均匀,得到PVC浆料；将PVC浆料涂覆在PU基层上,得到PU/PVC复合层状材料；将PU/PVC复合层状材料置于发泡炉内进行发泡后压纹,得到发泡后的PU/PVC复合层状材料；将发泡后的PU/PVC复合层状材料降至室温,再进行去边、剪裁和打磨,得到无粘结剂的PU/PVC复合瑜伽垫增强了瑜伽垫的耐磨、耐刮及防滑性能,安全环保,性能优异,有利于进一步推广应用。(The invention discloses a PUPVC composite yoga mat without an adhesive and a preparation method thereof, wherein the PUPVC composite yoga mat comprises a PU base layer and a PVC layer, wherein the single surface of the PVC layer is compositely connected with the PU base layer, and the PVC layer comprises the following raw materials in parts by weight: 95-110 parts of PVC, 80-95 parts of environment-friendly plasticizer, 45-60 parts of filler, 2-4 parts of stabilizer, 3-7 parts of foaming agent, 0.5-1 part of toner and 5-10 parts of softener. Sequentially adding PVC, a stabilizer and an environment-friendly plasticizer into a container, sequentially adding a filler, a foaming agent and toner into the container, mixing and uniformly stirring to obtain PVC slurry; coating the PVC slurry on a PU base layer to obtain a PU/PVC composite layered material; placing the PU/PVC composite laminated material in a foaming furnace for foaming and then embossing to obtain a foamed PU/PVC composite laminated material; the foamed PU/PVC composite layered material is cooled to room temperature, and then edge removing, cutting and polishing are carried out to obtain the PU/PVC composite yoga mat without the adhesive, so that the wear resistance, scratch resistance and skid resistance of the yoga mat are enhanced, the PU/PVC composite layered material is safe and environment-friendly, has excellent performance, and is beneficial to further popularization and application.)

1. The utility model provides a compound yoga mat of PUPVC of no adhesive, includes PU basic unit (1) and PVC layer (2), its characterized in that, PVC layer (2) single face complex connection PU basic unit (1), PVC layer (2) with parts by weight, its raw materials composition includes: 95-110 parts of PVC, 80-95 parts of environment-friendly plasticizer, 45-60 parts of filler, 2-4 parts of stabilizer, 3-7 parts of foaming agent, 0.5-1 part of toner and 5-10 parts of softener.

2. The adhesive-free PUPVC composite yoga mat of claim 1, wherein: the PVC layer (2) comprises the following raw materials in parts by weight: 100 parts of PVC, 85 parts of environment-friendly plasticizer, 55 parts of filler, 3 parts of stabilizer, 4 parts of foaming agent, 0.7 part of toner and 7 parts of softener.

3. The adhesive-free PUPVC composite yoga mat of claim 1, wherein: the PVC layer (2) comprises the following raw materials in parts by weight: 105 parts of PVC, 90 parts of environment-friendly plasticizer, 50 parts of filler, 4 parts of stabilizer, 6 parts of foaming agent, 1 part of toner and 9 parts of softener.

4. The adhesive-free PUPVC composite yoga mat of claim 1, wherein: the environment-friendly plasticizer is one of dibutyl phthalate, dibutyl terephthalate or diethyl phthalate, the filler is light calcium carbonate, the stabilizer is one of a potassium zinc stabilizer or a calcium zinc stabilizer, the foaming agent is azodicarbonamide, and the softener is liquid nitrile rubber.

5. The adhesive-free PUPVC composite yoga mat of claim 1, wherein: PU basic unit (1) includes base cloth layer and PU layer, the PU layer is counted with parts by weight, and its raw materials composition includes: 100 parts of PU, 15 parts of deionized water, 4 parts of a thickening agent and 2 parts of a defoaming agent, wherein the thickening agent is bentonite, and the defoaming agent is silicone oil.

6. The adhesive-free PUPVC composite yoga mat of claim 1, wherein: the thickness of the PU base layer (1) is 0.2-0.5mm, and the thickness of the PVC layer is 4-8 mm.

7. A preparation method of a PUPVC composite yoga mat without an adhesive is characterized by comprising the following steps:

s1, adding the PU, the deionized water, the thickening agent and the defoaming agent into a container in proportion, stirring for 30-40S, and uniformly stirring to obtain PU slurry;

s2, uniformly coating the PU slurry on the base cloth, and drying to obtain a PU base layer;

s3, sequentially adding PVC, a stabilizer and an environment-friendly plasticizer into a container, stirring for 20-50S, sequentially adding a filler, a foaming agent and toner into the container, mixing, and uniformly stirring to obtain PVC slurry;

s4, coating the PVC slurry on the PU base layer to obtain a PU/PVC composite laminated material;

s5, placing the PU/PVC composite laminated material in a foaming furnace, foaming, and embossing to obtain a foamed PU/PVC composite laminated material;

and S6, cooling the foamed PU/PVC composite laminated material to room temperature by using an air cooler, and then removing edges, cutting and polishing to obtain the PU/PVC composite yoga mat without the adhesive.

8. The method of claim 7, wherein the PUPVC composite yoga mat is prepared by: in the step S2, the base cloth is an artificial leather base cloth, the drying operation is to bake the base cloth for 90-150S at 150-160 ℃, and in the step S4, the PVC slurry coated on the base cloth in the PU base layer permeates into the base cloth, so that the PU layer and the PVC layer are compounded into a whole.

9. The method of claim 7, wherein the PUPVC composite yoga mat is prepared by: in step S5, the foaming furnace includes 4 foaming sections with a length of 6m, and the foaming temperatures of the 4 foaming sections are sequentially 180-.

10. The method of claim 7, wherein the PUPVC composite yoga mat is prepared by: in the step S6, the polishing operation is to polish the PU base layer and the cut edge for 1-2 times by passing the semi-finished product of the PU/PVC composite yoga mat through a buffing machine.

Technical Field

The invention relates to the technical field of yoga mat preparation, in particular to a PUPVC composite yoga mat without a binder and a preparation method thereof.

Background

Modern people have fast pace of life and high stress, which leads to poor physical condition. Yoga is an ability to improve the aspects of the physiology, the psychology, the emotion and the spirit of people, is a movement mode which achieves harmony and unification of the body, the soul and the spirit, is loved by more and more people, and is a necessary product for practicing yoga, so that how to manufacture the yoga mat with excellent performance becomes a hotspot concerned by people.

The existing yoga mat is usually made of materials such as PVC, PE and EVA, although the yoga mat made of the materials has good elasticity, the yoga mat is poor in wear resistance, scratch resistance and skid resistance, and is easy to damage in the long-term use process and the user is easy to hurt due to the sliding of the yoga mat. In addition, some additives which are toxic and harmful to human bodies are usually added in the production process of the existing yoga mat, the yoga mat is directly contacted with the body of a user, the yoga mat prepared from the safe and environment-friendly materials can meet the needs of the user, and therefore, the PUPVC composite yoga mat without the adhesive and the preparation method thereof are provided for solving the problems.

Disclosure of Invention

The invention aims to provide a PUPVC composite yoga mat without an adhesive and a preparation method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a compound yoga mat of PU PVC of no adhesive, includes PU basic unit and PVC layer, PVC layer single face complex connection PU basic unit, the PVC layer is counted with the part by weight, and its raw materials constitution includes: 95-110 parts of PVC, 80-95 parts of environment-friendly plasticizer, 45-60 parts of filler, 2-4 parts of stabilizer, 3-7 parts of foaming agent, 0.5-1 part of toner and 5-10 parts of softener.

In a preferred embodiment, the PVC layer comprises the following raw materials in parts by weight: 100 parts of PVC, 85 parts of environment-friendly plasticizer, 55 parts of filler, 3 parts of stabilizer, 4 parts of foaming agent, 0.7 part of toner and 7 parts of softener.

In a preferred embodiment, the PVC layer comprises the following raw materials in parts by weight: 105 parts of PVC, 90 parts of environment-friendly plasticizer, 50 parts of filler, 4 parts of stabilizer, 6 parts of foaming agent, 1 part of toner and 9 parts of softener.

In a preferred embodiment, the environment-friendly plasticizer is one of dibutyl phthalate, dibutyl terephthalate or diethyl phthalate, the filler is light calcium carbonate, the stabilizer is one of potassium zinc stabilizer or calcium zinc stabilizer, the foaming agent is azodicarbonamide, and the softener is liquid nitrile rubber.

In a preferred embodiment, the PU base layer includes a base fabric layer and a PU layer, and the PU layer includes the following raw materials in parts by weight: 100 parts of PU, 15 parts of deionized water, 4 parts of a thickening agent and 2 parts of a defoaming agent, wherein the thickening agent is bentonite, and the defoaming agent is silicone oil.

In a preferred embodiment, the thickness of the PU substrate is 0.2-0.5mm, and the thickness of the PVC layer is 4-8 mm.

A preparation method of a PUPVC composite yoga mat without an adhesive comprises the following steps:

s1, adding the PU, the deionized water, the thickening agent and the defoaming agent into a container in proportion, stirring for 30-40S, and uniformly stirring to obtain PU slurry;

s2, uniformly coating the PU slurry on the base cloth, and drying to obtain a PU base layer;

s3, sequentially adding PVC, a stabilizer and an environment-friendly plasticizer into a container, stirring for 20-50S, sequentially adding a filler, a foaming agent and toner into the container, mixing, and uniformly stirring to obtain PVC slurry;

s4, coating the PVC slurry on the PU base layer to obtain a PU/PVC composite laminated material;

s5, placing the PU/PVC composite laminated material in a foaming furnace, foaming, and embossing to obtain a foamed PU/PVC composite laminated material;

and S6, cooling the foamed PU/PVC composite laminated material to room temperature by using an air cooler, and then removing edges, cutting and polishing to obtain the PU/PVC composite yoga mat without the adhesive.

In a preferred embodiment, in step S2, the base fabric is an artificial leather base fabric, the drying operation is to bake at 150 to 160 ℃ for 90 to 150 seconds, and in step S4, the PVC slurry coated on the base fabric in the PU base layer permeates into the base fabric, so that the PU layer and the PVC layer are compounded into a whole.

Preferably, in step S5, the foaming furnace includes 4 foaming sections each having a length of 6m, and the foaming temperatures of the 4 foaming sections are sequentially 180-.

In a preferred embodiment, in step S6, the polishing operation is to polish the PU base layer and the cut edge for 1-2 times by passing the semi-finished product of the PU/PVC composite yoga mat through a skin-polishing machine.

Compared with the prior art, the invention has the beneficial effects that:

1. the prepared adhesive-free PUPVC composite yoga mat has the advantages that the tensile strength, the tear strength and the elongation at break are all in accordance with the national standard and are superior to those of commercially available yoga mats, the abrasive resistance is good, the skid resistance and the abrasive resistance are superior to those of commercially available yoga mats, and the adhesive-free PUPVC composite yoga mat is safe and environment-friendly and is beneficial to further popularization and application;

2. each item detection index all is superior to national standard, and the raw materials that the PVC layer used are low-toxicity harmless, and the two does not use any binder at the composite process, and safety ring protects, under the prerequisite of guaranteeing yoga mat use comfort, has improved yoga mat's wear-resisting, resistant scraping and non-slip properties by a wide margin. Meanwhile, the preparation process is simple, the cost is low, and the method is favorable for further developing the international market.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

In the figure: 1. a PU base layer; 2. a PVC layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a compound yoga mat of PUPVC of no adhesive, includes PU basic unit 1 and PVC layer 2, 2 single face complex connection PU basic unit 1 on PVC layer, PVC layer 2 with parts by weight, its raw materials constitution includes: 100 parts of PVC, 85 parts of environment-friendly plasticizer, 55 parts of filler, 3 parts of stabilizer, 4 parts of foaming agent, 0.7 part of toner and 7 parts of softener.

The environment-friendly plasticizer is dibutyl terephthalate, the filler is light calcium carbonate, the stabilizer is a potassium-zinc stabilizer, the foaming agent is azodicarbonamide, and the softening agent is liquid nitrile rubber.

PU basic unit 1 includes base cloth layer and PU layer, and the PU layer is counted by weight, and its raw materials composition includes: 100 parts of PU, 15 parts of deionized water, 4 parts of a thickening agent and 2 parts of a defoaming agent, wherein the thickening agent is bentonite, and the defoaming agent is silicone oil.

The thickness of the PU base layer 1 is 0.2-0.5mm, and the thickness of the PVC layer is 4-8 mm.

A preparation method of a PUPVC composite yoga mat without an adhesive comprises the following steps:

s1, adding the PU, the deionized water, the thickening agent and the defoaming agent into a container in proportion, stirring for 30-40S, and uniformly stirring to obtain PU slurry;

s2, uniformly coating the PU slurry on a base fabric, and baking for 90-150S at 150-160 ℃ to obtain a PU base layer;

s3, sequentially adding PVC, a stabilizer and an environment-friendly plasticizer into a container, stirring for 20-50S, sequentially adding a filler, a foaming agent and toner into the container, mixing, and uniformly stirring to obtain PVC slurry;

s4, coating the PVC slurry on the PU base layer to obtain a PU/PVC composite laminated material;

s5, placing the PU/PVC composite laminated material in a foaming furnace, foaming, and embossing to obtain a foamed PU/PVC composite laminated material;

and S6, cooling the foamed PU/PVC composite layered material to room temperature by using an air cooler, removing edges, cutting, and polishing the PU base layer and the cut edges for 1-2 times by using a skin grinding machine to obtain the PU/PVC composite yoga mat without the adhesive.

In step S2, the base fabric is an artificial leather base fabric, and in step S4, the PVC slurry coated on the base fabric in the PU base layer permeates into the base fabric, so that the PU layer and the PVC layer are compounded into a whole.

In step S5, the foaming furnace includes 4 foaming sections with a length of 6m, and the foaming temperatures of the 4 foaming sections are sequentially 180-.

Example 2

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a compound yoga mat of PUPVC of no adhesive, includes PU basic unit 1 and PVC layer 2, 2 single face complex connection PU basic unit 1 on PVC layer, PVC layer 2 with parts by weight, its raw materials constitution includes: 105 parts of PVC, 90 parts of environment-friendly plasticizer, 50 parts of filler, 4 parts of stabilizer, 6 parts of foaming agent, 1 part of toner and 9 parts of softener.

The environment-friendly plasticizer is dibutyl phthalate, the filler is light calcium carbonate, the stabilizer is a calcium-zinc stabilizer, the foaming agent is azodicarbonamide, and the softening agent is liquid nitrile rubber.

PU basic unit 1 includes base cloth layer and PU layer, and the PU layer is counted by weight, and its raw materials composition includes: 100 parts of PU, 15 parts of deionized water, 4 parts of a thickening agent and 2 parts of a defoaming agent, wherein the thickening agent is bentonite, and the defoaming agent is silicone oil.

The thickness of the PU base layer 1 is 0.2-0.5mm, and the thickness of the PVC layer is 4-8 mm.

A preparation method of a PUPVC composite yoga mat without an adhesive comprises the following steps:

s1, adding the PU, the deionized water, the thickening agent and the defoaming agent into a container in proportion, stirring for 30-40S, and uniformly stirring to obtain PU slurry;

s2, uniformly coating the PU slurry on a base fabric, and baking for 90-150S at 150-160 ℃ to obtain a PU base layer;

s3, sequentially adding PVC, a stabilizer and an environment-friendly plasticizer into a container, stirring for 20-50S, sequentially adding a filler, a foaming agent and toner into the container, mixing, and uniformly stirring to obtain PVC slurry;

s4, coating the PVC slurry on the PU base layer to obtain a PU/PVC composite laminated material;

s5, placing the PU/PVC composite laminated material in a foaming furnace, foaming, and embossing to obtain a foamed PU/PVC composite laminated material;

and S6, cooling the foamed PU/PVC composite layered material to room temperature by using an air cooler, removing edges, cutting, and polishing the PU base layer and the cut edges for 1-2 times by using a skin grinding machine to obtain the PU/PVC composite yoga mat without the adhesive.

In step S2, the base fabric is an artificial leather base fabric, and in step S4, the PVC slurry coated on the base fabric in the PU base layer permeates into the base fabric, so that the PU layer and the PVC layer are compounded into a whole.

In step S5, the foaming furnace includes 4 foaming sections with a length of 6m, and the foaming temperatures of the 4 foaming sections are sequentially 180-.

For further showing the performance that this scheme made the yoga mat, carry out tensile property to it and detect with wear resistance, the result is as follows:

TABLE-tensile Property test results

TABLE 2 wear resistance test

In conclusion, the adhesive-free PUPVC composite yoga mat prepared by the invention has the advantages that the tensile strength, the tearing strength and the breaking elongation rate are all in accordance with the national standard and are superior to those of the commercially available yoga mat, the wear resistance is good, meanwhile, the static friction coefficient reaches 0.6, the skid resistance is good, the skid resistance and the wear resistance are superior to those of the commercially available yoga mat, the adhesive-free PUPVC composite yoga mat is safe and environment-friendly, further popularization and application are facilitated, various detection indexes are superior to the national standard, the raw materials used in the PVC layer are low in toxicity and harmless, and the adhesive-free PUPVC composite yoga mat and the commercially available yoga mat are safe and environment-friendly without using any adhesive, so that the wear resistance, the scratch resistance and the skid resistance of the yoga mat are greatly improved on. Meanwhile, the preparation process is simple, the cost is low, and the method is favorable for further developing the international market.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.