CN111019207A - Method for preparing rubber floor mat based on environment-friendly water glue and waste rubber regeneration - Google Patents
Method for preparing rubber floor mat based on environment-friendly water glue and waste rubber regeneration Download PDFInfo
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- CN111019207A CN111019207A CN201811176739.2A CN201811176739A CN111019207A CN 111019207 A CN111019207 A CN 111019207A CN 201811176739 A CN201811176739 A CN 201811176739A CN 111019207 A CN111019207 A CN 111019207A
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- rubber
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- floor mat
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L17/00—Compositions of reclaimed rubber
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a method for preparing a rubber floor mat by using waste rubber as a raw material, which effectively solves the problem of recycling the waste rubber. The waste rubber is crushed into rubber particles by a mechanical mode; and (3) blending the rubber particles and the environment-friendly water gel, and heating and pressurizing to prepare the rubber floor mat. According to the invention, the environment-friendly water gel with good bonding performance prepared based on waste plastics is blended with the rubber particles, and the plastic particles in the environment-friendly water gel are filled in gaps of the rubber particles and melt at high temperature, so that the rubber particles are firmly bonded together, and the strength of the rubber floor mat can be greatly improved. The adhesive is prepared from the waste rubber and the waste plastic as raw materials, is low in cost, and water replaces the traditional organic solvent to prepare the adhesive, so that the harm to human bodies and the environment is reduced, the adhesive has a wide market prospect, is used for manufacturing rubber floor mats, saves resources, protects the environment, and improves the economic value of the waste rubber and the waste plastic.
Description
The technical field is as follows:
the invention relates to a preparation method of an environment-friendly water gel based on waste plastics, and also relates to the recycling of waste rubber by taking the waste rubber as a raw material and carrying out physical crushing, blending with the environment-friendly water gel and heating and pressurizing molding.
Background art:
the plastic products and the rubber products are widely applied to the public life, and the improper treatment of the plastic products and the rubber products after use can cause great environmental pollution and resource waste, so that the problem that the waste of resources can be avoided and the environment can be protected from being polluted is a problem that the waste is difficult to be treated and must be treated and solved, and the difficulties and the existing problems of developing waste rubber recycling and utilizing channels and reducing garbage discharge become important. In the modern society, the treatment and recycling of waste materials has been developed into a hot emerging industry, referred to as the environmental protection industry, in which the treatment of waste plastics and waste rubber is an important task in the environmental protection industry.
The rubber of the waste tire is processed into rubber powder, and the rubber powder is directly or after being modified and recycled, so that the most promising mode for treating the waste tire and recycling rubber resources is realized, wherein the waste rubber used as a ground decoration material has certain elasticity, can improve the skid resistance, has good attractiveness and comfort, and can be widely used as a good high-molecular environment-friendly material for replacing the existing cement ground at home and abroad. Rubber as a thermosetting material cannot be directly cast into a desired product shape by heating as in a plastic product of a thermoplastic material, and is relatively difficult to handle, and studies using waste rubber as a base material and waste plastic as an adhesive have been reported, for example, in chinese patent (application No. 201410177521.4), waste rubber tires are crushed into rubber particles, the rubber particles and plastic films are alternately covered with the rubber particles and the plastic films are melted under a high temperature condition, and the rubber particles are bonded into a whole. However, in this technique, a plastic film is used as an adhesive, and the rubber particles are bonded together by melting at a high temperature, but the rubber particles are not uniformly dispersed and cannot penetrate around each rubber particle, so that the strength of the rubber mat is limited.
The invention content is as follows:
1. the invention provides a method for preparing a high-strength rubber ground mat. The rubber floor mat is composed of environment-friendly water gel and a base material, wherein the environment-friendly water gel is plastic particle emulsion, and is prepared by crushing recyclable plastic into superfine particles, mixing the superfine particles with other substances, and adding the mixture into boiling water.
The base material is rubber particles prepared by mechanically crushing waste tires, waste rubber tubes, leftover materials and other waste rubbers in the rubber production process.
2. The method comprises the following steps: (1) under the vacuum sealing condition, the recyclable plastic is heated and melted and added into the base emulsion to form the environment-friendly water gel.
The recyclable plastic is nylon, polyethylene, polypropylene, polyester or a combination thereof.
The recyclable plastic in the emulsion is nylon, particularly nylon-6.
The recyclable plastic in the emulsion is recycled plastic.
The base emulsion is composed of nylon-6 and other basic components, wherein the basic components comprise caprolactam, triallyl cyanurate, water-soluble wax, polyethylene and talcum powder.
The base emulsion prepared by the base component is prepared by heating the base component above the melting temperature of the plastic and sprinkling the plastic powder into the base component.
The preparation of the environment-friendly water gel is to mix heated plastic with substrate emulsion, add the mixture into boiling water, take the emulsion formed in an emulsifying machine as the environment-friendly water gel, and prepare the rubber floor mat by bonding rubber particles.
The preparation of the rubber ground mat is a method of mixing rubber particles with environment-friendly water glue, molding by a mold, and heating and pressurizing.
3. The method for preparing the rubber floor mat by using the waste rubber comprises the following three steps: (1) crushing the waste rubber in a crusher to obtain regenerated rubber particles; (2) placing the regenerated rubber particles and the environment-friendly water gel into a mixing roll for blending; (3) molding in a mold through a calender or an extruder under the conditions of heating and pressurizing, reducing the temperature to be below the melting point of the plastic, and forming a closely-packed and tightly-combined structure after solidification.
When the die is formed, the use temperature is 140-.
The rubber ground mat can be used for paving the ground of school plastic runways, amusement facilities, parks, gymnasiums, swimming pools, laboratories and the like.
4. The invention provides a preparation method of a rubber floor mat. The rubber ground mat comprises regenerated rubber particles and environment-friendly water gel, wherein the environment-friendly water gel is emulsion containing plastic particles, and the mass fraction of the plastic particles in the rubber ground mat is less than or equal to 10%.
The mass fraction of the plastic in the rubber ground mat is 1-5%.
The mass fraction of the environment-friendly water gel in the rubber ground mat is 5-20%, and the optimal mass fraction is 6-8%.
The regenerated rubber particles are particles obtained by crushing waste rubber.
The plastic in the environment-friendly water gel is recyclable plastic such as nylon and the like.
The environment-friendly water gel in-emulsion is a mixture of the following substances: (1) methylisothiaimidazolone or methylisothiazolinone; (2) polyethylene, polypropylene, nylon, PVC, expanded polystyrene, or acryl; (3) paraffin oil; (4) and (3) water.
The environment-friendly water gel is an emulsion formed by polyethylene, paraffin oil and water.
The environment-friendly water gel is a mixture of methylisothiamidazolidone or methylisothiazolinone, nylon, PVC, expanded polystyrene, polypropylene, acrylic, paraffin oil and water.
The preparation method of the plastic-based environment-friendly water gel comprises the following steps: (1) mixing methylisothiaimidazolone or methylisothiazolinone with paraffin oil; (2) melt-adding a plastic to the mixture; (3) and (3) adding the mixture formed in the step (2) into boiling water, forming emulsion in an emulsifier, and cooling to room temperature for a certain time to obtain the environment-friendly water gel.
In conclusion, the invention provides a preparation method of a rubber ground mat, which comprises the steps that a base material is recycled plastic particles, the environment-friendly water gel based on recyclable plastic is adopted, and the plastic particles are dispersed in the internal structure of recycled aggregate.
The specific implementation mode is as follows:
the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a process are given, but the scope of the present invention is not limited to the following embodiments.
Example 1.
Step one, 40mL of methylisothiamidazolidone and 20mL of liquid paraffin are measured and mixed.
Step two, 1kg of powdered polyethylene and 150g of talc were added to the solution of step one.
And step three, adding the solution into a vacuum sealed melting barrel, and rapidly raising the temperature in the barrel to the melting temperature of the thermoplastic plastic through microwave heating, wherein the required temperature is 160-180 ℃.
Step four, transferring the hot solution containing the polymer material to an emulsifying machine containing 40L of boiling water. Emulsifying for 4 hours by an emulsifying machine, and gradually cooling to obtain the final white environment-friendly water gel.
Example 2.
Step one, weighing 100 kg of regenerated rubber particles, adding 6 kg of the environment-friendly water gel prepared in the example 1, and mixing and stirring uniformly.
And step two, adding the mixture in the step one into a mold, and performing extrusion molding at the temperature of 140-200 ℃ and the pressure of 2-10 Mpa.
And step three, cooling to below the melting point of the plastic at room temperature, and solidifying to finally obtain the rubber floor mat.
Example 3.
Step one, weighing 100 kg of regenerated rubber particles, adding 10 kg of the environment-friendly water gel prepared in the example 1, and mixing and stirring uniformly.
And step two, adding the mixture in the step one into a mold, and performing extrusion molding at the temperature of 140-200 ℃ and the pressure of 2-10 Mpa.
And step three, cooling to below the melting point of the plastic at room temperature, and solidifying to finally obtain the rubber floor mat.
Example 4.
Step one, 40mL of methylisothiazolinone and 20mL of liquid paraffin oil are weighed and mixed.
And step two, adding 1kg of powdered nylon and 150g of talcum powder into the solution.
And step three, adding the solution into a vacuum sealed melting barrel, and rapidly raising the temperature in the barrel to the melting temperature of the thermoplastic plastics of more than 300 ℃ by microwave heating.
Step four, transferring the hot solution containing the polymer material to an emulsifying machine containing 40L of boiling water. Emulsifying for 4 hours by an emulsifying machine, and gradually cooling to obtain the final white glue emulsion.
Example 5.
Step one, weighing 100 kg of regenerated rubber particles, adding 6 kg of the environment-friendly water gel prepared in the example 4, and mixing and stirring uniformly.
And step two, adding the mixture in the step one into a mold, and performing extrusion molding at the temperature of 140-200 ℃ and the pressure of 2-10 Mpa.
And step three, cooling to below the melting point of the plastic at room temperature, and solidifying to finally obtain the rubber floor mat.
Example 6.
Step one, weighing 100 kg of regenerated rubber particles, adding 10 kg of the environment-friendly water gel prepared in the example 4, and mixing and stirring uniformly.
And step two, adding the mixture in the step one into a mold, and performing extrusion molding at the temperature of 140-200 ℃ and the pressure of 2-10 Mpa.
And step three, cooling to below the melting point of the plastic at room temperature, and solidifying to finally obtain the rubber floor mat.
Example 7.
In step one, 40mL of caprolactam and 20mL of liquid paraffin oil are measured and mixed.
Step two, 1kg of powdered polyethylene and 150g of talc were added to the solution.
And step three, adding the solution into a vacuum sealed melting barrel, and rapidly raising the temperature in the barrel to the melting temperature of the thermoplastic plastic through microwave heating, wherein the required temperature is 160-180 ℃.
Step four, transferring the hot solution containing the polymer material to an emulsifying machine containing 40L of boiling water. Emulsifying for 4 hours by an emulsifying machine, and gradually cooling to obtain the final white glue emulsion.
Example 8.
Step one, weighing 100 kg of regenerated rubber particles, adding 6 kg of the environment-friendly water gel prepared in example 7, and mixing and stirring uniformly.
And step two, adding the mixture in the step one into a mold, and performing extrusion molding at the temperature of 140-200 ℃ and the pressure of 2-10 Mpa.
And step three, cooling to below the melting point of the plastic at room temperature, and solidifying to finally obtain the rubber floor mat.
Example 9.
Step one, weighing 100 kg of regenerated rubber particles, adding 10 kg of the environment-friendly water gel prepared in the example 7, and mixing and stirring uniformly.
And step two, adding the mixture in the step one into a mold, and performing extrusion molding at the temperature of 140-200 ℃ and the pressure of 2-10 Mpa.
And step three, cooling to below the melting point of the plastic at room temperature, and solidifying to finally obtain the rubber floor mat.
Claims (10)
1. A rubber floor mat is characterized by comprising the following components: rubber particles and environment-friendly water gel.
2. A rubber floor mat as claimed in claim 1, wherein the rubber particles are particles of crushed waste rubber.
3. The rubber floor mat as claimed in claim 1, wherein the environmentally friendly glue is based on waste plastic particles mixed with a base emulsion.
4. The environmentally friendly glue of claim 3, wherein the waste plastic is recyclable nylon, polyethylene, polypropylene, polyester or a combination thereof.
5. The environmentally friendly water gel according to claims 1 and 3, wherein the base emulsion is nylon-6, caprolactam, triallyl cyanurate, a water-soluble wax, polyethylene and talc.
6. The environment-friendly water gel as claimed in claims 1 and 3, characterized in that water is used as a solvent to prepare the gel.
7. The environment-friendly water gel according to claims 1 and 5, characterized in that the chemicals used are all low-toxicity or non-toxic chemical reagents, and the synthesized environment-friendly water gel has no physiological and environment-friendly toxicity.
8. A rubber floor mat as claimed in claims 1 and 3, wherein the mass fraction of the plastic particles is 10% or less.
9. A rubber floor mat as claimed in claim 1 or 3, wherein the mass fraction of the environmentally friendly glue is 5% to 20%, preferably 6% to 8%.
10. The rubber mat of claim 1 is used for floor laying in school plastic tracks, amusement rides, parks, gyms, swimming pools, laboratories and the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811176739.2A CN111019207A (en) | 2018-10-10 | 2018-10-10 | Method for preparing rubber floor mat based on environment-friendly water glue and waste rubber regeneration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811176739.2A CN111019207A (en) | 2018-10-10 | 2018-10-10 | Method for preparing rubber floor mat based on environment-friendly water glue and waste rubber regeneration |
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| CN111019207A true CN111019207A (en) | 2020-04-17 |
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| CN201811176739.2A Pending CN111019207A (en) | 2018-10-10 | 2018-10-10 | Method for preparing rubber floor mat based on environment-friendly water glue and waste rubber regeneration |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040076820A1 (en) * | 2000-11-23 | 2004-04-22 | Hodgson Thomas Clarence | Composite products |
| CN101204839A (en) * | 2006-12-22 | 2008-06-25 | 厉留柱 | Discarded high foaming plastics regeneration pelleting process |
| CN101613500A (en) * | 2009-04-24 | 2009-12-30 | 上海惠利橡塑制品有限公司 | A kind of method of utilizing waste old to make ground cushion |
| CN110540688A (en) * | 2018-05-29 | 2019-12-06 | 北京斯科瑞新材料科技股份有限公司 | Method for preparing rubber brick by regenerating environment-friendly water glue and waste rubber |
-
2018
- 2018-10-10 CN CN201811176739.2A patent/CN111019207A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040076820A1 (en) * | 2000-11-23 | 2004-04-22 | Hodgson Thomas Clarence | Composite products |
| CN101204839A (en) * | 2006-12-22 | 2008-06-25 | 厉留柱 | Discarded high foaming plastics regeneration pelleting process |
| CN101613500A (en) * | 2009-04-24 | 2009-12-30 | 上海惠利橡塑制品有限公司 | A kind of method of utilizing waste old to make ground cushion |
| CN110540688A (en) * | 2018-05-29 | 2019-12-06 | 北京斯科瑞新材料科技股份有限公司 | Method for preparing rubber brick by regenerating environment-friendly water glue and waste rubber |
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