阅读说明：本技术 一种橄榄油乳胶的制备方法 (Preparation method of olive oil emulsion ) 是由 曾体鹄 戴文周 金佳 于 2019-11-22 设计创作，主要内容包括：本发明涉及一种橄榄油乳胶的制备方法。现有乳胶制品易因氧化而产生老化,影响使用寿命和使用体验。本发明通过在制备乳胶时添加用于抑制和延缓乳胶老化速度的橄榄油制品,既能通过在乳胶内弥补橄榄油分子来对乳胶起到氧化还原反应,对已被氧化的乳胶起到氧化还原作用,有效抑制和延缓乳胶老化的速度,还能在乳胶表面形成油性隔离膜,油性隔离膜覆盖乳胶表面,通过减小乳胶与空气接触的面积来延缓乳胶老化速度,进而有效防止乳胶发生硬化发黄的现象,确保乳胶在长期使用后仍具有较好的满足人们使用要求的弹性性能,进而延长乳胶产品的使用寿命。(The invention relates to a preparation method of olive oil emulsion. The existing latex product is easy to age due to oxidation, and the service life and the use experience are influenced. According to the invention, the olive oil product for inhibiting and delaying the aging speed of the latex is added during the preparation of the latex, so that not only can the oxidation-reduction reaction of the latex be realized by compensating olive oil molecules in the latex and the oxidation-reduction effect of the oxidized latex be realized, but also the aging speed of the latex can be effectively inhibited and delayed, and an oily isolating membrane can be formed on the surface of the latex and covers the surface of the latex, and the aging speed of the latex is delayed by reducing the contact area of the latex and air, so that the phenomenon of hardening and yellowing of the latex can be effectively prevented, the latex is ensured to have good elastic performance meeting the use requirements of people after long-term use, and the service life of the latex product is further prolonged.)

1. A method for preparing olive oil emulsion, which is characterized in that the emulsion is prepared by the following steps:

firstly, preparing raw materials, namely respectively preparing an olive oil dispersing agent, ammonia-removing latex and a vulcanizing agent;

secondly, a vulcanization operation, namely sequentially adding the ammonia-removed latex, the olive oil dispersing agent and the vulcanizing agent into a vulcanization device to obtain vulcanized latex, wherein the vulcanized latex comprises 100 parts by weight of the ammonia-removed latex, 0.1-5 parts by weight of the olive oil dispersing agent and 1-10 parts by weight of the vulcanizing agent;

thirdly, foaming operation, namely draining the vulcanized latex into a foaming device, adding 3-5 parts by weight of foaming agent and applying constant pressure to obtain a latex foam with uniform and constant density;

fourthly, performing casting molding operation, namely injecting the latex foaming substance into a mold cavity of a mold and baking at high temperature under the sealing and pressure maintaining conditions so that the latex foaming substance is shaped into a semi-finished latex product with a preset contour;

and step five, washing and drying, namely soaking the semi-finished latex product in water for washing and drying to obtain a finished latex product.

2. The method of claim 1, wherein the olive oil dispersion is prepared by the steps of:

firstly, 0.1 to 10 weight parts of olive oil and water are put into a dispersing device to be mixed;

then, 0.5 to 5 parts by weight of the dispersant is added to the dispersing device, and stirred by a stirring blade in the dispersing device to form the olive oil dispersant.

3. The method for preparing olive oil emulsion according to claim 1, wherein the ammonia removal emulsion is prepared by the following steps:

firstly, pouring raw material latex into an ammonia removal cavity of an ammonia removal device, and adding 0.5-5 parts by weight of emulsifier and 0.5-5 parts by weight of stabilizer to form an ammonia removal mixture;

and then, standing the ammonia removal mixture for removing ammonia for 20-80 hours to form the ammonia removal latex with the solid content of 55-65%.

4. The method for preparing olive oil emulsion according to claim 3, wherein the temperature in the ammonia removing cavity is adjustable, a temperature sensor for detecting the temperature is arranged in the ammonia removing cavity, and the ammonia removing cavity is adjusted by circulating cold and hot water with the outside so as to maintain the temperature in T1, wherein T1 is more than or equal to 20 ℃ and less than or equal to 100 ℃.

5. The method for preparing olive oil emulsion according to claim 1, characterized in that the vulcanizing agent preparation is carried out by the following steps:

firstly, 1 to 10 weight parts of sulfur, 0.5 to 3 weight parts of accelerator and a proper amount of water are uniformly mixed to form a vulcanization mixture;

thereafter, the vulcanized mixture was put into a mill for a period of 48 to 144 hours to obtain a vulcanizing agent.

6. A process for the preparation of olive oil emulsion according to claim 5, characterized in that the grinder is a ball stone grinder.

7. A process for the preparation of olive oil emulsion according to claim 1, characterized in that the vulcanization is carried out by the following steps:

firstly, sequentially adding the ammonia-removing latex, the olive oil dispersing agent and the vulcanizing agent into a vulcanizing device and uniformly stirring to form a vulcanized mixture;

and then, standing and vulcanizing the vulcanized mixture for 5-30 hours to form the vulcanized latex.

8. A process for the preparation of olive oil emulsion according to claim 1, characterized in that the foaming operation is carried out by the following steps:

firstly, injecting vulcanized latex and a foaming agent into a foaming cavity of foaming equipment and uniformly stirring;

and then injecting air into the foaming cavity and adjusting the pressure P in the foaming cavity, wherein the P is more than or equal to 0.4mpa and less than or equal to 0.5mpa, so that the vulcanized latex is prepared into a latex foam with constant foaming density at normal temperature.

9. A process for the preparation of olive oil emulsion according to claim 1, characterized in that the moulding operation is carried out by the following steps:

firstly, injecting latex foaming material into a mold cavity of a mold, sealing and maintaining the pressure for 20-60 minutes to ensure that the latex foaming material is dispersed in the mold cavity;

and then, placing the mould into an oven for high-temperature baking at the baking temperature of T2 and the baking temperature of T2 of more than or equal to 70 ℃ and less than or equal to 120 ℃ so as to shape the latex foam into a semi-finished product with a preset contour.

Technical Field

The invention relates to the field of bedding, in particular to a preparation method of latex.

Background

Latex products have been widely used in human life. The latex has the advantages of good elasticity, good antibacterial and acarid inhibiting properties, good air permeability, good moisture absorption and the like, and is widely applied to the bedding field. After a latex product is in long-term use, oxidation reaction can occur due to the contact with air, and then the latex can be subjected to aging phenomena such as hardening and yellowing, so that the elasticity is reduced, the use comfort is influenced, and the product attractiveness is influenced.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides the preparation method of the olive oil emulsion, which is characterized in that the olive oil product is added into the original latex, so that the contact between the latex and air is effectively prevented, the latex is subjected to redox reaction, the aging speed of the latex is effectively inhibited and slowed down, and the use experience is improved.

The invention is realized by the following modes: a method for preparing olive oil emulsion, the emulsion is prepared by the following steps:

firstly, preparing raw materials, namely respectively preparing an olive oil dispersing agent, ammonia-removing latex and a vulcanizing agent;

secondly, a vulcanization operation, namely sequentially adding the ammonia-removed latex, the olive oil dispersing agent and the vulcanizing agent into a vulcanization device to obtain vulcanized latex, wherein the vulcanized latex comprises 100 parts by weight of the ammonia-removed latex, 0.1-5 parts by weight of the olive oil dispersing agent and 1-10 parts by weight of the vulcanizing agent;

thirdly, foaming operation, namely draining the vulcanized latex into a foaming device, adding 3-5 parts by weight of foaming agent and applying constant pressure to obtain a latex foam with uniform and constant density;

fourthly, performing casting molding operation, namely injecting the latex foaming substance into a mold cavity of a mold and baking at high temperature under the sealing and pressure maintaining conditions so that the latex foaming substance is shaped into a semi-finished latex product with a preset contour;

and step five, washing and drying, namely soaking the semi-finished latex product in water for washing and drying to obtain a finished latex product.

Through adding the olive oil product for inhibiting and delaying the aging speed of the latex when preparing the latex, the oxidation-reduction reaction can be performed on the latex by compensating olive oil molecules in the latex, the oxidation-reduction effect is performed on the oxidized latex, the aging speed of the latex is effectively inhibited and delayed, an oily isolating membrane can be formed on the surface of the latex, the surface of the latex is covered by the oily isolating membrane, the aging speed of the latex is delayed by reducing the contact area of the latex and air, the phenomenon of hardening and yellowing of the latex is effectively prevented, the latex is ensured to have better elastic performance meeting the use requirements of people after being used for a long time, and the service life of the latex product is further prolonged. The ammonia-removing latex, the olive oil dispersing agent and the vulcanizing agent are sequentially added into the vulcanizing device, so that the ammonia-removing latex and the olive oil dispersing agent are uniformly mixed firstly, then, the vulcanizing agent is added to realize a vulcanization reaction, and the uniformity of olive oil dispersion is ensured.

Preferably, the olive oil dispersion is prepared by the following steps: firstly, 0.1 to 10 weight parts of olive oil and water are put into a dispersing device to be mixed; then, 0.5 to 5 parts by weight of the dispersant is added to the dispersing device, and stirred by a stirring blade in the dispersing device to form the olive oil dispersant. Because the olive oil is an organic substance and cannot be dispersed and dissolved in water, the olive oil is ensured to be dispersed in the liquid by adding the dispersing agent to form the olive oil dispersing agent, and further the olive oil is ensured to be uniformly dispersed in the latex, so that the olive oil is ensured to generate oxidation-reduction reaction on the latex, and the effect of blocking air is effectively improved.

Preferably, the ammonia-removing latex is prepared by the following steps: firstly, pouring raw material latex into an ammonia removal cavity of an ammonia removal device, and adding 0.5-5 parts by weight of emulsifier and 0.5-5 parts by weight of stabilizer to form an ammonia removal mixture; and then, standing the ammonia removal mixture for removing ammonia for 20-80 hours to form the ammonia removal latex with the solid content of 55-65%. In order to facilitate storage and transportation of the raw material latex, the raw material latex is added with ammonia water after being collected, and when the raw material latex is processed, the ammonia water in the raw material latex needs to be removed through an emulsifier due to the strong pungent smell of the ammonia water, so that the pungent smell of the latex is eliminated, and the raw material latex is convenient to subsequently process and use. The stability of the ammonia removal latex is improved by adding a stabilizer.

Preferably, the temperature in the ammonia removal cavity is adjustable, a temperature sensor for detecting the temperature is arranged in the ammonia removal cavity, and the ammonia removal cavity realizes temperature adjustment through cold and hot water circulation with the outside, so that the temperature is maintained in T1, and T1 is more than or equal to 20 ℃ and less than or equal to 100 ℃. The ammonia removal process is controlled by controlling the temperature of the ammonia removal cavity, so that the ammonia removal effect is effectively improved, and the ammonia removal operation time is effectively shortened. The temperature in the ammonia removal cavity is detected through the temperature sensor, and the temperature is adjusted by providing hot water and cold water which can flow through the temperature adjusting pipeline in the ammonia removal cavity.

Preferably, the vulcanizing agent preparation is carried out by the following steps: firstly, 1 to 10 weight parts of sulfur, 0.5 to 3 weight parts of accelerator and a proper amount of water are uniformly mixed to form a vulcanization mixture; thereafter, the vulcanized mixture was put into a mill for a period of 48 to 144 hours to obtain a vulcanizing agent. Sulphur was ground in water to form the vulcanising agent. The size of the sulfur particles is reduced through grinding, so that the surface area of the sulfur is effectively increased, and the reaction speed with the latex is effectively increased. The accelerant is uniformly dispersed in the vulcanizing agent, and plays a role in promoting the vulcanization of the latex.

Preferably, the grinder is a ball stone grinder. The spherical stone grinder can form a more exquisite product, increase the exposed area of sulfur by reducing the particle size of the sulfur, increase the vulcanization reaction speed by improving the dispersibility of the sulfur, and improve the processing efficiency.

Preferably, the vulcanization is effected by: firstly, sequentially adding the ammonia-removing latex, the olive oil dispersing agent and the vulcanizing agent into a vulcanizing device and uniformly stirring to form a vulcanized mixture; and then, standing and vulcanizing the vulcanized mixture for 5-30 hours to form the vulcanized latex. The ammonia-removing latex, the olive oil dispersing agent and the vulcanizing agent are sequentially added into the vulcanizing device, so that the ammonia-removing latex and the olive oil dispersing agent are uniformly mixed firstly, then, the vulcanizing agent is added to realize a vulcanization reaction, and the uniformity of olive oil dispersion is ensured. The time length of the static vulcanization is 5-30 hours, so that the vulcanization effect is ensured to meet the process requirement, the static vulcanization time is effectively shortened, and the processing efficiency is improved.

Preferably, the foaming operation is effected by: firstly, injecting vulcanized latex and a foaming agent into a foaming cavity of foaming equipment and uniformly stirring; and then injecting air into the foaming cavity and adjusting the pressure P in the foaming cavity, wherein the P is more than or equal to 0.4mpa and less than or equal to 0.5mpa, so that the vulcanized latex is prepared into a latex foam with constant foaming density at normal temperature. The vulcanized latex and the foaming agent are uniformly mixed, so that the sealing of each part of the latex foam is the same, each area of the latex foam has the same elasticity, and the consistency of products is ensured. The density of the latex foam is controlled by adjusting the pressure of the foaming cavity, so that the latex foam can obtain the density and elasticity meeting the use requirement.

Preferably, the mould forming operation is effected by: firstly, injecting latex foaming material into a mold cavity of a mold, sealing and maintaining the pressure for 20-60 minutes to ensure that the latex foaming material is dispersed in the mold cavity; and then, placing the mould into an oven for high-temperature baking at the baking temperature of T2 and the baking temperature of T2 of more than or equal to 70 ℃ and less than or equal to 120 ℃ so as to shape the latex foam into a semi-finished product with a preset contour. And (3) pouring the latex foaming substance into the die cavity so as to obtain a semi-finished latex product with a specific contour, and plugging the die cavity opening and keeping constant pressure to ensure that the latex foaming substance is uniformly distributed in the die cavity, ensure that the density of each part of the semi-finished latex product is uniform, and improve the product quality. The latex foaming material can be baked and shaped in the die cavity, so that the outline of the semi-finished latex product can meet the preset use requirement.

The invention has the following outstanding beneficial effects: through adding the olive oil product for inhibiting and delaying the aging speed of the latex when preparing the latex, the oxidation-reduction reaction can be performed on the latex by compensating olive oil molecules in the latex, the oxidation-reduction effect is performed on the oxidized latex, the aging speed of the latex is effectively inhibited and delayed, an oily isolating membrane can be formed on the surface of the latex, the surface of the latex is covered by the oily isolating membrane, the aging speed of the latex is delayed by reducing the contact area of the latex and air, the phenomenon of hardening and yellowing of the latex is effectively prevented, the latex is ensured to have better elastic performance meeting the use requirements of people after being used for a long time, and the service life of the latex product is further prolonged.

Detailed Description

The essential features of the invention will be further described below with reference to the summary of the invention and the detailed description.

A method for preparing olive oil emulsion, the emulsion is prepared by the following steps:

firstly, preparing raw materials, namely respectively preparing an olive oil dispersing agent, ammonia-removing latex and a vulcanizing agent;

a second step of carrying out vulcanization operation, namely sequentially adding the ammonia-removed latex, the olive oil dispersing agent and the vulcanizing agent into a vulcanization device to obtain vulcanized latex, wherein the vulcanized latex comprises 100 parts by weight of the ammonia-removed latex, 3 parts by weight of the olive oil dispersing agent and 7 parts by weight of the vulcanizing agent;

thirdly, foaming operation, namely draining the vulcanized latex into a foaming device, adding 4 parts by weight of foaming agent and applying constant pressure to obtain a latex foam with uniform and constant density;

fourthly, performing casting molding operation, namely injecting the latex foaming substance into a mold cavity of a mold and baking at high temperature under the sealing and pressure maintaining conditions so that the latex foaming substance is shaped into a semi-finished latex product with a preset contour;

and step five, washing and drying, namely soaking the semi-finished latex product in water for washing and drying to obtain a finished latex product.

The raw material latex is processed into various latex finished products with the same specific contour through the steps, so that the latex is convenient for people to use. The olive oil is added in the latex processing process, so that on one hand, the olive oil has strong oxidation resistance and good oxidation-reduction performance on oxides, the olive oil can perform reduction reaction on adjacent oxidized latex, and the oxidation speed of the latex is effectively inhibited and slowed down, on the other hand, the olive oil is an organic solution, an oil film uniformly covered on the surface of the olive oil can be formed, the effect of isolating the latex from outside air is achieved, the latex is prevented from generating oxidation reaction by preventing the latex from contacting with oxygen, in summary, the aging speed of the latex can be effectively inhibited and delayed by adding the olive oil in the latex, the phenomena of hardening and yellowing of the latex are avoided, and the service life of the latex is effectively prolonged.

In actual operation, the proportion among the ammonia removal latex, the olive oil dispersing agent and the vulcanizing agent can be adjusted according to actual conditions, and in the preferable scheme, 3 parts by weight of the olive oil dispersing agent and 7 parts by weight of the vulcanizing agent are added into 100 parts by weight of the ammonia removal latex, so that the latex processing efficiency is effectively improved, raw materials are effectively saved, and the processing cost is reduced.

In actual practice, the olive oil dispersion is prepared by the following steps: firstly, 1 part by weight of olive oil and water are put into a dispersing device to be mixed; thereafter, 1 part by weight of the dispersant was added to the dispersing device, and stirred by a stirring blade in the dispersing device to form an olive oil dispersant.

Specifically, the olive oil is an organic matter insoluble in water, the olive oil is decomposed into small-particle olive oil floating in water by adding a dispersant, the olive oil is uniformly dispersed in the latex, the redox reaction efficiency with adjacent latex is improved by increasing the surface area of the olive oil, and the antioxidant effect is improved. The dispersing agent, the olive oil and the water are mixed to form the olive oil dispersing agent, and the water is added to improve the flowability of olive oil particles, so that the dispersion uniformity in the latex is improved.

In actual practice, the ammonia-removing latex is prepared by the following steps: firstly, pouring raw material latex into an ammonia removal cavity of an ammonia removal device, and adding 3 parts by weight of emulsifier and 3 parts by weight of stabilizer to form an ammonia removal mixture; and then, standing the ammonia removal mixture for removing ammonia for 20-80 hours to form the ammonia removal latex with the solid content of 55-65%.

Specifically, remove ammonia operation through adding the emulsifier to latex, eliminate pungent smell through the ammonia that eliminates in the raw materials latex, and then prevent that the latex finished product from taking place the condition that influences the user health because of giving off pungent smell, promote to use and experience. Because the ammonia removal time can be influenced by factors such as temperature, pressure and the like, the ammonia removal time can be adjusted according to actual conditions, and ammonia removal latex with the solid content of 55-65% is formed, so that the subsequent processing operation is facilitated.

Specifically, the temperature in the ammonia removal cavity is adjustable, a temperature sensor for detecting the temperature is arranged in the ammonia removal cavity, and the ammonia removal cavity is subjected to cold and hot water circulation with the outside to realize temperature adjustment, so that the temperature is maintained in T1, and T1=60 ℃. Set up cold water storehouse and the hot water storehouse that is used for the temperature regulation outside removing the ammonia chamber, wear to be equipped with the water pipe in removing the ammonia intracavity, when using, the user removes ammonia intracavity real-time temperature through the temperature-sensing ware perception, and adjust the material temperature who removes the ammonia intracavity through the mode of carrying cold water or hot water to the water pipe is inside, so that material temperature maintains 60 ℃ all the time, both produce efficiency through promoting the ammonia and promote ammonia removal efficiency, still effective control ammonia exhaust speed, prevent to take place secondary reaction in removing the ammonia intracavity, influence product purity.

In actual practice, the sulfiding agent preparation is carried out by the following steps: firstly, uniformly mixing 4 parts by weight of sulfur, 2 parts by weight of accelerator and a proper amount of water to form a vulcanization mixture; thereafter, the vulcanized mixture was put into a mill for 64 hours to be ground, thereby obtaining a vulcanizing agent.

Specifically, the massive sulfur and water are mixed and sent into a spherical stone grinding machine for refining grinding, the water plays a role of an attachment machine to prevent the situation that the excessively fine sulfur powder drifts, and also plays a role of lubrication to ensure that the sulfur can be refined by the grinding machine and form turbid liquid rich in sulfur particles, and a vulcanizing agent can be uniformly mixed with the ammonia removal latex. The accelerator is beneficial to mixing of sulfur and water, and can improve the vulcanization efficiency and effect in the later vulcanization process.

In practice, the vulcanization operation is carried out by the following steps: firstly, sequentially adding the ammonia-removing latex, the olive oil dispersing agent and the vulcanizing agent into a vulcanizing device and uniformly stirring to form a vulcanized mixture; thereafter, the vulcanized mixture was subjected to standing vulcanization for 12 hours to thereby form a vulcanized latex.

Specifically, be equipped with the vulcanization chamber of taking the agitator in the vulcanizer, when production, add ammonia removal latex and olive oil to the vulcanization intracavity earlier, utilize the agitator misce bene, add the vulcanizer to the vulcanization intracavity again, utilize the agitator misce bene, effectively ensure olive oil and ammonia removal latex misce bene before adding the vulcanizer, ensure that olive oil is evenly densely covered in latex inside and surface, promote the oxidation resistance of latex.

In actual practice, the foaming operation is achieved by the following steps: firstly, injecting vulcanized latex and a foaming agent into a foaming cavity of foaming equipment and uniformly stirring; then, air was injected into the foaming chamber and the pressure P in the foaming chamber was adjusted, P =0.45mpa, so that the vulcanized latex was prepared into a latex foam having a constant foaming density at normal temperature.

Specifically, the vulcanized latex and the foaming agent can be uniformly mixed to form a criminal latex foam under the action of pressure, and the density of the latex foam and the elasticity of a latex product are adjusted by adjusting the pressure in the foaming cavity, so that the physical properties of the latex product meet the preset use requirements.

In practice, the mould-forming operation is carried out by: firstly, injecting latex foam into a mold cavity of a mold, sealing and maintaining the pressure for 40 minutes to ensure that the latex foam is dispersed in the mold cavity; and then, placing the mould into an oven for high-temperature baking, wherein the baking temperature is T2, and T2=95 ℃, so that the latex foam is shaped into a semi-finished latex product with a preset contour.

Specifically, the latex foam is poured into the die cavity and kept at a constant pressure for 40 minutes, so that the latex foam in each area of the die cavity has balanced density, the density of a latex product is uniform, the condition of large bubbles or cavities in the latex product is prevented, and the product quality is improved. Seal pressurize operation back at the completion, the latex foamer of die cavity toasts the operation for the latex foamer realizes the design through toasting, ensures that the latex product can resume preset the profile after removing external force, promotes to use and experiences. In addition, the baking operation can dry the moisture in the foaming latex, thereby improving the bulkiness and the flexibility of the semi-finished latex product and reducing the weight of the latex.

In practice, the parts by weight of the present invention are calculated by dividing by 100 the weight of the processed ammonia-removed latex, so that the formula weight of all materials in the method has a uniform standard. When the dosage of the raw material latex, the emulsifier and the stabilizer is calculated, the dosage is calculated in a mode of presetting the ammonia-removing latex to be processed, and the formula of each additive in the subsequent process is ensured to meet the process treatment requirement. The proportion in each process is only used for explaining the proportion scheme in the process, and is not required to be completely applied to the subsequent process, and the total amount of each intermediate product and each raw material can be increased or decreased according to the requirement of the subsequent process after the intermediate products and the raw materials are mixed according to the proportion.

It is understood that the olive oil dispersion may also be 0.1 parts by weight, 0.5 parts by weight, 4 parts by weight, 5 parts by weight, etc., and should be regarded as specific examples of the present invention as long as the requirement of 0.1-5 parts by weight is met.

It is understood that the vulcanizing agent may be 1 part by weight, 5 parts by weight, 10 parts by weight, etc., and should be regarded as specific examples of the present invention as long as the requirement of 1 to 10 parts by weight is met.

It is understood that the olive oil may be 0.1 parts by weight, 5 parts by weight, 10 parts by weight, etc., and should be regarded as specific examples of the present invention as long as the requirement of 0.1 to 10 parts by weight is met.

It is understood that the dispersant may also be 0.5 parts by weight, 2 parts by weight, 5 parts by weight, etc., and should be considered as specific examples of the present invention as long as the requirement of 0.5 to 5 parts by weight is met.

It is understood that the emulsifier can also be 0.5 parts by weight, 2.5 parts by weight, 5 parts by weight, etc., and should be regarded as specific examples of the present invention as long as the requirement of 0.5 to 5 parts by weight is met.

It is understood that the stabilizer may be 0.5 parts by weight, 2.5 parts by weight, 5 parts by weight, etc., and should be regarded as specific examples of the present invention as long as the requirement of 0.5 to 5 parts by weight is met.

It is understood that the temperature T1 in the ammonia removing cavity can also be 20 ℃, 50 ℃, 100 ℃ and the like, and the ammonia removing cavity is regarded as a specific embodiment of the invention as long as the requirement of T1 ℃ less than or equal to 20 ℃ less than or equal to 100 ℃ is met.

It is understood that sulfur may be 1 part by weight, 5 parts by weight, 10 parts by weight, etc., and should be considered as specific examples of the present invention as long as 1-10 parts by weight are satisfied.

It is understood that the accelerator may also be 0.5 parts by weight, 1.5 parts by weight, 3 parts by weight, etc., and should be regarded as specific examples of the present invention as long as the requirement of 0.5 to 3 parts by weight is met.

It is understood that the grinding time may be 48 hours, 60 hours, 80 hours, 144 hours, etc., and should be regarded as specific examples of the present invention as long as the requirement of 48 to 144 hours is met.

It is understood that the time period of vulcanization can also be 5 hours, 10 hours, 20 hours, 30 hours, etc., and should be regarded as specific examples of the present invention as long as the requirement of 5 to 30 hours is met.

It is understood that the time period for removing ammonia can also be 20 hours, 40 hours, 60 hours, 80 hours, etc., and the range of 20-80 hours and the requirement of making the solid content of the ammonia removing latex reach 55% -65% should be regarded as the specific embodiment of the present invention.

It is understood that the pressure P in the foaming chamber can also be 0.4mpa, 0.44 mpa, 0.46 mpa, 0.5mpa, etc., and the requirement of 0.4 mpa-P-0.5 mpa is met and should be regarded as an embodiment of the present invention.

It is understood that the blowing agent may be 3 parts by weight, 3.5 parts by weight, 4.5 parts by weight, 5 parts by weight, etc., and should be considered as specific examples of the present invention as long as the requirement of 3 to 5 parts by weight is met.

It is understood that the sealing pressure may be maintained for 20 minutes, 30 minutes, 50 minutes, 60 minutes, etc., and should be considered as specific examples of the present invention as long as the requirement of 20-60 minutes is met.

It is understood that the baking temperature T2 can also be 70 deg.C, 90 deg.C, 105 deg.C, 120 deg.C, etc., and should be regarded as specific embodiments of the present invention as long as the requirement of 70 deg.C-T2 deg.C-120 deg.C is met.

It is understood that the foaming agents are potassium oleate and potassium ricinoleate, and may be replaced according to actual conditions, and they are considered to be specific embodiments of the present invention.