CN112143073A - Stress luminous carpet and preparation method thereof - Google Patents
Stress luminous carpet and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/142—Compounds containing oxygen but no halogen atom
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G27/00—Floor fabrics; Fastenings therefor
- A47G27/02—Carpets; Stair runners; Bedside rugs; Foot mats
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G27/00—Floor fabrics; Fastenings therefor
- A47G27/02—Carpets; Stair runners; Bedside rugs; Foot mats
- A47G27/0243—Features of decorative rugs or carpets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/141—Hydrocarbons
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/12—Organic compounds only containing carbon, hydrogen and oxygen atoms, e.g. ketone or alcohol
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/18—Binary blends of expanding agents
- C08J2203/182—Binary blends of expanding agents of physical blowing agents, e.g. acetone and butane
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2471/02—Polyalkylene oxides
Abstract
The invention relates to a stress luminous carpet and a preparation method thereof. The preparation method of the stress luminous carpet comprises the following steps: the stress luminescent carpet is prepared by adding a stress luminescent material in the preparation process of the elastic plastic, wherein the raw materials for preparing the elastic plastic comprise a high-molecular matrix and an antistatic agent, and the antistatic agent comprises polyoxyethylene. The stress luminous carpet is designed based on the stress luminous principle, the stress luminous material has the unique property that the stress luminous material can automatically emit light without an external power supply under the action of external stress, polyethylene oxide is used as a bridge, and the stress luminous material and elastic plastic with high elasticity and wear resistance are uniformly combined in the preparation process of the elastic plastic.
Description
Technical Field
The invention relates to the field of stress luminescence, in particular to a stress luminescence carpet and a preparation method thereof.
Background
There is currently some research in the direction of lighted carpets and products have been made that are only electroluminescent LED-based carpet products, such as: the intelligent luminous carpet based on the LED electroluminescence is provided in 2014 by the famous Philips company in the global illumination industry, because human eye senses have the characteristic of observing the floor, the carpet ingeniously fuses the LED illumination technology into textile fabrics, and the automatic control of an intelligent chip is combined, so that the carpet can emit light along with the stepping of people, intelligently guide the direction of a path and indicate various marks.
Although a lot of designers and companies participate in research and development of the luminous carpet, the current products are based on the LED electroluminescence principle, the biggest defect is that the problem of energy consumption is not effectively solved, the strong requirements of people for environmental protection are not met, and the safety problem brought by the luminous carpet needing an external power supply is worried by people. In addition, the long afterglow luminescent material can be used as a light storage material, and the fabric of the long afterglow luminescent material is commercialized, but the long afterglow luminescent material needs to absorb the ambient light and cannot excite luminescence by pressure.
Disclosure of Invention
Based on this, there is a need for a stress luminescence carpet and a method for preparing the same, which can reduce energy consumption and improve safety.
A preparation method of a stress luminous carpet comprises the following steps: the stress luminescent carpet is prepared by adding a stress luminescent material in the preparation process of the elastic plastic, wherein the raw materials for preparing the elastic plastic comprise a high-molecular matrix and an antistatic agent, and the antistatic agent comprises polyethylene oxide.
In one embodiment, the elastic plastic is EPE pearl cotton, the polymer matrix comprises polyethylene, and the raw materials for preparing the elastic plastic further comprise a foaming agent.
In one embodiment, the step of adding the stress luminescent material during the preparation process of the elastic plastic comprises the following steps:
heating and melting the polymer matrix, and then mixing the polymer matrix with the stress luminescent material and the foaming agent for foaming;
and extruding and drawing the foamed material for shaping, and then adding the antistatic agent to form an antistatic film on the surface of the shaped material.
In one embodiment, the step of adding the stress luminescent material during the preparation process of the elastic plastic comprises the following steps:
mixing the antistatic agent and the stress luminescent material in water to prepare a mixed solution;
heating and melting the polymer matrix, and then mixing the polymer matrix with the foaming agent for foaming;
and extruding and drawing the foamed material for shaping, and then adding the mixed solution to form an antistatic film containing the stress luminescent material on the surface of the shaped material.
In one embodiment, the raw materials for preparing the elastic plastic further comprise an internal lubricant and an anti-shrinking agent, and in the step of heating and melting the polymer matrix, the internal lubricant and the anti-shrinking agent are further added for heating and melting.
In one embodiment, the internal lubricant comprises low molecular weight polypropylene and polyethylene wax.
In one embodiment, the raw materials for preparing the EPE pearl cotton comprise, by mass, 70-90 parts of polyethylene, 5-10 parts of an antistatic agent, 1-5 parts of a foaming agent, 2-6 parts of an internal lubricant and 2-8 parts of an anti-shrinkage agent.
In one embodiment, the blowing agent comprises diethyl ether and butane.
In one embodiment, the mass ratio of the stress luminescent material to the raw materials for preparing the elastic plastic is (0.1-200): 100.
In one embodiment, the mass ratio of the stress luminescent material to the raw materials for preparing the elastic plastic is (0.4-50): 100.
In one embodiment, the stressor phosphor is selected from ZrO2:Ti、ZnS:Mn、ZnS:Cu、ZnS:Ag、SrAl2O4:Eu、SrMgAl6O11:Eu、SrBaMgSi2O7:Eu、Sr2MgSi2O7:Eu、Ca2MgSi2O7:Eu、Ca2MgSi2O7:Dy、CaYAl3O7:Eu、ZnGa2O4:Mn、MgGa2O4:Mn、Ca2Al2SiO7At least one of Ce, CaZnOS: Mn, CaZnOS: Tb, CaZnOS: Pr, CaZnOS: Sm, CaZnOS: Ho, CaZnOS: Dy, CaZnOS: Er, CaZnOS: Eu, CaZnOS-ZnS: Bi, CaZnOS-ZnS: Ag, CaZnOS-ZnS: Cu, CaZnOS-ZnS: Mn, CaZnOS-ZnS: Tb, CaZnOS-ZnS: Pr, CaZnOS-ZnS: Sm, CaZnOS-ZnS: Ho, CaZnOS-ZnS: Dy, CaZnOS-ZnS: Er and CaZnOS-ZnS: Eu.
In one embodiment, the stress luminescent material is ZnS: Mn, ZnS: Cu, SrAl2O4Eu, CaZnOS-ZnS: r and R are Mn, Cu or Bi.
A stress luminous carpet comprises elastic plastic and a stress luminous material doped in the elastic plastic, wherein raw materials for preparing the elastic plastic comprise a high polymer matrix and an antistatic agent, and the antistatic agent comprises polyethylene oxide.
In one embodiment, the stress luminescence carpet is prepared by the preparation method of the stress luminescence carpet.
The stress luminous carpet is designed based on the stress luminous principle, the stress luminous material, the antistatic agent and the polymer matrix are used as raw materials, the antistatic agent comprises polyoxyethylene, the polyoxyethylene can be used as an adhesive of the stress luminous material and can also be used as the antistatic agent in the preparation process of the pearl wool, and therefore the stress luminous material can be used in the preparation of elastic plastics to obtain the stress luminous carpet. And the stress luminous material has the unique property of self-lighting without an external power supply under the action of external stress such as treading by a human body, and is doped in the preparation process of the elastic plastic, compared with the traditional luminous carpet based on the LED principle, the stress self-luminous carpet does not need an external energy source, has zero energy consumption, and is safe and environment-friendly.
Detailed Description
In order that the invention may be more fully understood, reference will now be made to the following description taken in conjunction with the accompanying drawings. The detailed description sets forth the preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The invention aims to provide a self-luminous treading carpet based on a stress luminescence principle and a preparation method thereof. The stress luminescent carpet can be obtained by utilizing the unique property that the stress luminescent material can automatically emit light without an external power supply under the action of external stress, and the stress luminescent material is uniformly combined with elastic plastic with high elasticity and wear resistance in the preparation process of the elastic plastic, and the operation of extrusion, traction, rolling and the like in the original preparation process of the elastic plastic is combined. Compared with the traditional luminous carpet based on the LED principle, the self-luminous carpet based on the stress luminous principle does not need external energy sources and zero energy consumption, all used materials in the preparation process are nontoxic, harmless, environment-friendly and healthy, the structure is simple, the carpet is wear-resistant and collision-resistant, the application range is extremely wide, and the carpet has huge application prospects in floor channels of indoor environments and outdoor runway roads.
Specifically, the method for preparing the stress luminescence carpet of the embodiment comprises the following steps: the stress luminescent carpet is prepared by adding a stress luminescent material in the preparation process of the elastic plastic, wherein the raw materials for preparing the elastic plastic comprise a high-molecular matrix and an antistatic agent, and the antistatic agent comprises polyoxyethylene.
In one embodiment, the elastic plastic is EPE pearl cotton. The polymer matrix comprises polyethylene, and the raw materials for preparing the elastic plastic also comprise a foaming agent. At this time, the preparation method of the stress luminescence carpet comprises the following steps: the stress luminescent carpet is prepared by adding a stress luminescent material in the preparation process of EPE pearl cotton, wherein the raw materials for preparing the EPE pearl cotton comprise polyethylene, an antistatic agent and a foaming agent, and the antistatic agent comprises polyethylene oxide. It is understood that in other embodiments, the elastic plastic is not limited to EPE pearl wool, but may be a commonly used elastic plastic.
Specifically, in one embodiment, the step of adding the stress luminescent material in the preparation process of the EPE pearl wool comprises the following steps:
mixing polyoxyethylene and a stress luminescent material in water to prepare a mixed solution;
heating and melting polyethylene, and then adding a foaming agent for foaming;
and extruding and drawing the foamed material for shaping, and then adding the mixed solution to form an antistatic film containing the stress luminescent material on the surface of the shaped material.
Wherein, the steps of mixing polyoxyethylene and the stress luminescent material in water to prepare the mixed solution are as follows: firstly, dissolving polyoxyethylene in water, then adding the stress luminescent material, and stirring until the materials are fully mixed. The concentration of polyoxyethylene in the mixed solution is 0.5mol/L to 1.0 mol/L. It is to be understood that in other embodiments, the concentration of polyethylene oxide is not limited to the above-described value, and may be adjusted according to the light emission luminance.
Polyethylene oxide (PEO) can be used not only as a binder of a stress luminescent material but also as an antistatic agent of EPE (EPE). Therefore, in this embodiment, polyethylene oxide (PEO) is used as a bridge, and the prepared stress luminescent material is mixed with PEO and then filled into EPE pearl cotton to form composite cotton of stress luminescent powder.
In particular, the polyethylene is a low density polyethylene. The low density polyethylene has a density of 0.91g/cm3～0.93g/cm3. By melting polyethylene by heatingBefore the step, the polyethylene is subjected to winnowing treatment.
Further, the raw materials for preparing the EPE pearl wool also comprise an internal lubricant and an anti-shrinking agent, and the internal lubricant and the anti-shrinking agent are added for heating and melting in the step of heating and melting the polyethylene. Specifically, the internal lubricant includes low molecular weight polypropylene and polyethylene wax. Further, the internal lubricant is a mixture of low molecular weight polypropylene and polyethylene wax. In one embodiment, the mass ratio of the low molecular weight polypropylene to the polyethylene wax is 1: 1. It is understood that the mass ratio of the low molecular weight polypropylene to the polyethylene wax in the foaming agent is not limited to 1:1, and other proportions commonly used in the art can be adopted, and will not be described herein again. The low molecular weight polypropylene is a crystalline waxy or soft waxy solid having a density of 0.89, and is obtained by cracking the high molecular weight polypropylene by a thermal cracking method. In one embodiment, the low molecular weight polypropylene has a molecular weight of 3000 to 4000.
In one embodiment, the anti-shrinkage agent is monoglyceride.
In one embodiment, the step of heating and melting the polyethylene specifically comprises: the raw materials are sequentially added according to the sequence of polyethylene, internal lubricant and anti-shrinking agent, and then heated, stirred and melted. In one embodiment, under the condition of the rotation speed of 100r/min, clockwise stirring and anticlockwise stirring are alternately carried out, each time is 1min, and the longest stirring time is not more than 10 min. It is understood that the above parameters such as the rotation speed and the stirring time are not limited to the above values, and may be adjusted according to the amount of the raw materials, and are common knowledge in the art, and will not be described herein again.
Blowing agents include diethyl ether and butane. Further, the blowing agent is a mixture of diethyl ether and butane. In one embodiment, the mass ratio of diethyl ether to butane is 2: 1. It is understood that the mass ratio of the ether to the butane in the blowing agent is not limited to 2:1, and other ratios commonly used in the art may be used, and will not be described herein again.
The foaming step by adding the foaming agent comprises the following specific steps: the materials after the polyethylene, the internal lubricant and the anti-shrinkage agent are stirred and mixed are mixed and stirred uniformly with the foaming agent in a foaming machine. The processing time of the foaming machine is not more than 45 min. It is understood that the parameters such as time and the like in the above-mentioned foaming process can be adjusted according to the amount of the raw materials and the like, and are common knowledge in the art and will not be described herein again.
In other embodiments, the step of adding the stress luminescent material in the preparation process of the EPE pearl wool comprises the following steps:
heating and melting polyethylene, adding a stress luminescent material, and adding a foaming agent for foaming;
and extruding the foamed material, drawing for shaping, adding an antistatic agent to form an antistatic film on the surface of the shaped material, and finally rolling to prepare the stress luminous carpet.
In particular, the polyethylene is a low density polyethylene. Before the step of heating and melting the polyethylene, the polyethylene is subjected to air separation treatment.
Further, the raw materials for preparing the EPE pearl wool also comprise an internal lubricant and an anti-shrinking agent, and the internal lubricant and the anti-shrinking agent are added for heating and melting in the step of heating and melting the polyethylene. Specifically, the internal lubricant includes low molecular weight polypropylene and polyethylene wax. Further, the internal lubricant is a mixture of low molecular weight polypropylene and polyethylene wax. In one embodiment, the mass ratio of the low molecular weight polypropylene to the polyethylene wax is 1: 1. It is understood that the mass ratio of the low molecular weight polypropylene to the polyethylene wax in the foaming agent is not limited to 1:1, and other proportions commonly used in the art can be adopted, and will not be described herein again. The low molecular weight polypropylene is a crystalline waxy or soft waxy solid having a density of 0.89, and is obtained by cracking the high molecular weight polypropylene by a thermal cracking method. In one embodiment, the low molecular weight polypropylene has a molecular weight of 3000 to 4000.
In one embodiment, the anti-shrinkage agent is monoglyceride.
In one embodiment, the step of heating and melting the polyethylene specifically comprises: the raw materials are sequentially added according to the sequence of polyethylene, internal lubricant and anti-shrinking agent, and then heated, stirred and melted. In one embodiment, under the condition of the rotation speed of 100r/min, clockwise stirring and anticlockwise stirring are alternately carried out, each time is 1min, and the longest stirring time is not more than 10 min. It is understood that the above parameters such as the rotation speed and the stirring time are not limited to the above values, and may be adjusted according to the amount of the raw materials, and are common knowledge in the art, and will not be described herein again.
Blowing agents include diethyl ether and butane. Further, the blowing agent is a mixture of diethyl ether and butane. In one embodiment, the mass ratio of diethyl ether to butane is 2: 1. It is understood that the mass ratio of the ether to the butane in the blowing agent is not limited to 2:1, and other ratios commonly used in the art may be used, and will not be described herein again.
The foaming step by adding the foaming agent comprises the following specific steps: the materials after the polyethylene, the internal lubricant and the anti-shrinkage agent are stirred and mixed are mixed and stirred uniformly with the foaming agent in a foaming machine. The processing time of the foaming machine is not more than 45 min. It is understood that the parameters such as time and the like in the above-mentioned foaming process can be adjusted according to the amount of the raw materials and the like, and are common knowledge in the art and will not be described herein again.
Specifically, the raw materials for preparing the EPE pearl cotton comprise, by mass, 70-90 parts of polyethylene, 5-10 parts of an antistatic agent, 1-5 parts of a foaming agent, 2-6 parts of an internal lubricant and 2-8 parts of an anti-shrinkage agent. In one embodiment, the raw materials for preparing the EPE pearl cotton comprise 80 parts of polyethylene, 8 parts of antistatic agent, 3 parts of foaming agent, 4 parts of internal lubricant and 5 parts of anti-shrinkage agent.
Further, the mass ratio of the polyethylene, the antistatic agent, the foaming agent, the internal lubricant and the anti-shrinkage agent is (70-90): 5-10): 1-5): 2-6): 2-8. For example, the mass ratio of polyethylene, antistatic agent, foaming agent, internal lubricant and antishrinking agent is 80:8:3:4:5, 82:5:3:5:5, 85:2:3:5:5, etc. Further, the mass ratio of the polyethylene, the antistatic agent, the foaming agent, the internal lubricant and the anti-shrinkage agent is 80:8:3:4: 5. It is understood that the mass ratio of the polyethylene, the antistatic agent, the foaming agent, the internal lubricant and the antishrinking agent is not limited to the above-mentioned ratio, and may be a ratio commonly used in raw materials for preparing EPE pearl wool in the art, and will not be described herein again.
Specifically, the steps of extruding, drawing, shaping, rolling and the like in the preparation process of the EPE pearl wool can be steps commonly used in the field, and are not described herein again. In addition, other common auxiliary agents such as nucleating agents (such as talcum powder) and flame retardants can also be added in the preparation process of the EPE pearl wool.
Specifically, the mass ratio of the stress luminescent material to the raw materials for preparing the elastic plastic is (0.1-200): 100. In one embodiment, the mass ratio of the stress luminescent material to the raw material for preparing the elastic plastic is 0.1:100, 0.4:100, 0.5:100, 1:100, 10:100, 20:100, 50:100, 100:100, 150:100 or 200: 100. The mass ratio of the stress luminescent material to the raw materials for preparing the elastic plastic can be adjusted according to the actual requirement on brightness and the cost requirement, for example, the quality of the stress luminescent material is increased, the brightness is increased, and the cost is also increased. Furthermore, the mass ratio of the stress luminescent material to the raw materials for preparing the elastic plastic is (0.4-50): 100. Furthermore, the mass ratio of the stress luminescent material to the raw materials for preparing the elastic plastic is 1: 250. Experiments prove that under the condition of the mixture ratio, the prepared stress luminous carpet has good luminous brightness and proper cost.
The stress luminescent material is an inorganic stress luminescent material. In particular, the stress luminescent material is selected from ZrO2:Ti、ZnS:Mn、ZnS:Cu、ZnS:Cl、ZnS:Ag、ZnS:Te、SrAl2O4:Eu、SrAl2O4:Dy、SrMgAl6O11:Eu、SrBaMgSi2O7:Eu、Sr2MgSi2O7:Eu、Ca2MgSi2O7:Eu、Ca2MgSi2O7:Dy、CaYAl3O7:Eu、ZnGa2O4:Mn、MgGa2O4:Mn、Ca2Al2SiO7At least one of Ce, CaZnOS: Mn, CaZnOS: Tb, CaZnOS: Pr, CaZnOS: Sm, CaZnOS: Ho, CaZnOS: Dy, CaZnOS: Er, CaZnOS: Eu, CaZnOS-ZnS: Bi, CaZnOS-ZnS: Ag, CaZnOS-ZnS: Cu, CaZnOS-ZnS: Mn, CaZnOS-ZnS: Tb, CaZnOS-ZnS: Pr, CaZnOS-ZnS: Sm, CaZnOS-ZnS: Ho, CaZnOS-ZnS: Dy, CaZnOS-ZnS: Er and CaZnOS-ZnS: Eu. Doping ions in stress luminescent material for adjusting luminescent color of stress luminescent material. The doping ions can be selected according to the luminous color of the stress luminescence carpet to be prepared.
Further, the stress luminescent material is ZnS: Mn, ZnS: Cu, SrAl2O4Eu, CaZnOS-ZnS: r and R are Mn, Cu or Bi. The brightness of the stress luminescent material is better.
Specifically, the preparation method of the stress luminescent material adopts a high-temperature solid-phase sintering mode commonly used in the field. For example, zinc sulfide, calcium carbonate, etc. and a compound containing a dopant ion are sintered at 600 to 1400 ℃ for 4 to 8 hours. In one embodiment, when the stressor is ZnS: Mn, the preparation process is as follows: ZnS and MnCO3After being respectively and uniformly ground, the raw materials are mixed and then calcined for 4 hours at the temperature of 1100 ℃ under the protection of argon (the purity is 99.99%). And naturally cooling the sintered product in a furnace to room temperature to obtain ZnS: Mn. The above list only shows one specific example of the preparation of the stress luminescent material, but is not limited thereto.
In one embodiment, the raw materials for making the stress luminescent carpet include a stress luminescent material, polyethylene, an antistatic agent, a foaming agent, an internal lubricant, and an anti-shrinkage agent. Wherein the stress luminescent material has a luminance higher than 200cd/m2The ZnS-CaZnOS composite material is characterized in that polyethylene is low molecular weight polyethylene, an antistatic agent is polyethylene oxide, a foaming agent is a mixture of diethyl ether and butane, an internal lubricant is a mixture of low molecular weight polypropylene and polyethylene wax, and an anti-shrinkage agent is monoglyceride. The mass ratio of the total mass of the antistatic agent, the polyethylene, the foaming agent, the anti-shrinkage agent and the internal lubricant to the stress luminescent material is 250:1, and the mass ratio of the polyethylene, the antistatic agent, the foaming agent, the internal lubricant and the anti-shrinkage agent is 80:8:3:4: 5.
The conventional luminous carpet mainly includes: roads paved based on passive luminescence of the fluorescent stone, LED electroluminescent screen carpets, solar toughened glass display roads, various types of long afterglow fluorescent powder luminescent roads and the like. Wherein, the road that the passive luminescent material of based on fluorite laid relies on daytime to absorb solar energy, releases night again, and luminous unable control forms light pollution, and duration is limited, and luminous intensity reduces gradually, receives the principle restriction simultaneously, can't lay indoor and less dark environment, still has to lay the inconvenient problem of installation in addition. The LED electroluminescent screen carpet needs electric energy supply, and the LED-based light-emitting ground has the disadvantages of complex structure, high cost, electric energy loss and safety risk, is limited by principles, is not suitable for outdoor laying, is easy to damage and has high maintenance cost. The solar toughened glass shows that the road cost is higher, needs to use with the cooperation of LED lamp, and energy utilization is rateed lowly, can't lay by a large scale. In various types of long afterglow phosphor luminescent roads, the long afterglow phosphor has low light conversion efficiency, insufficient luminescent brightness and higher large area laying cost. Therefore, the traditional luminous carpet has the problems of uncontrollable light emission, limited laying, energy consumption and high cost.
The preparation method of the stress luminous carpet at least has the following advantages:
(1) the stress luminous carpet is designed based on the stress luminous principle, the stress luminous material, the antistatic agent, the polyethylene and the foaming agent are used as raw materials, the antistatic agent, the polyethylene and the foaming agent are used as main raw materials for preparing the EPE pearl cotton, and the polyoxyethylene can be used as an adhesive of the stress luminous material and can also be used as the antistatic agent in the preparation process of the pearl cotton, so that the stress luminous material can be used for preparing the EPE pearl cotton to obtain the stress luminous carpet. The stress luminescent material has the unique property of self-luminescence without an external power supply under the action of external stress, and is uniformly combined with the environment-friendly EPE pearl cotton material with high elasticity and wear resistance in the preparation process of the pearl cotton, and the preparation process is simple by combining the operations of stretching, extruding, winding and the like in the original pearl cotton preparation process. Compared with the traditional luminous carpet based on the LED principle, the self-luminous carpet based on the stress luminous principle can emit light when being trodden by a human body, and the light also disappears when the acting force disappears, so that the carpet does not need to be externally connected with energy consumption and is safe and environment-friendly.
(2) All the materials used in the preparation process of the stress luminous carpet are nontoxic, harmless, environment-friendly and healthy, the obtained stress luminous carpet is simple in structure, wear-resistant and collision-resistant, and extremely wide in application range, and the stress luminous carpet has great application prospects in floor channels of indoor environments and outdoor runway roads.
(3) According to the preparation method of the stress luminescence carpet, the stress luminescence material is applied to the preparation process of the EPE pearl cotton, and the cost of the EPE pearl cotton is low, so that the prepared stress luminescence carpet is low in cost and can be paved in a large area.
The invention also provides a stress luminescent carpet of an embodiment, which comprises elastic plastic and a stress luminescent material doped in the elastic plastic, wherein the raw material for preparing the elastic plastic comprises a high molecular matrix and an antistatic agent, and the antistatic agent comprises polyethylene oxide. Specifically, the stress luminescence carpet is prepared by the preparation method of the stress luminescence carpet of the above embodiment. The stress luminescent powder is added into the preparation process of the elastic plastic and is obtained by combining the operations of extrusion, traction, rolling and the like in the original preparation process of the elastic plastic. The detailed preparation process and the raw materials used in the preparation process are the same as those described in the above embodiment, and are not repeated herein.
The stress luminous carpet at least has the following advantages:
(1) the stress luminous carpet is designed based on the stress luminous principle, the stress luminous material has the unique property that the stress luminous material can automatically emit light without an external power supply under the action of external stress, polyethylene oxide is used as a bridge, and the stress luminous carpet and the environment-friendly EPE pearl cotton material with high elasticity and wear resistance are uniformly combined in the preparation process of pearl cotton.
(2) The raw materials for preparing the stress luminous carpet are nontoxic, harmless, environment-friendly and healthy, and have no safety problem.
(3) The stress luminous carpet combines the stress luminous material with the EPE pearl cotton, so that the stress luminous carpet has the advantages of simple structure, wear resistance, collision resistance and the like of the EPE pearl cotton, has extremely wide application range, and has huge application prospect in floor passages of indoor environments and outdoor runway roads.
The following are specific examples:
example 1
The raw material ratio of the stress luminous carpet of the embodiment is specifically as follows:
the raw materials for preparing the stress luminous carpet comprise, by mass: 0.4 part of Mn, 8 parts of polyethylene oxide, 80 parts of low-density polyethylene, 2 parts of diethyl ether, 1 part of butane, 2 parts of low-molecular-weight polypropylene, 2 parts of polyethylene wax and 5 parts of monoglyceride.
The preparation process of the stress luminescent carpet of the embodiment is as follows:
(1) firstly, dissolving polyoxyethylene by cold water to prepare 0.5mol/L aqueous solution, then adding ZnS: Mn, and stirring to fully mix to obtain the mixed solution of ZnS: Mn and polyoxyethylene.
(2) The method comprises the steps of carrying out air separation treatment on low-density polyethylene particles, sequentially adding the low-density polyethylene, an internal lubricant (low-molecular-weight polypropylene and polyethylene wax) and an anti-shrinking agent (monoglyceride) into an automatic particle feeding machine, a feeding machine and an anti-shrinking agent system in a pearl cotton production system for heating and melting, adjusting the rotating speed to be 100r/min, alternately carrying out clockwise stirring and anticlockwise stirring for 1min each time, wherein the longest stirring time is not more than 10min, so that the low-density polyethylene, the internal lubricant and the anti-shrinking agent are fully and uniformly mixed.
(3) And (3) adding a foaming agent into the material processed from the uniformly mixed material in the step (2), starting an automatic foaming machine, and continuously processing, mixing and stirring uniformly. The processing time of the foaming machine is not more than 45 min.
(4) And (3) extruding the uniformly mixed materials in the step (3), drawing and shaping by using a drawing machine after extrusion, adding the mixed liquid obtained in the step (1) to form an antistatic film on the surface of the shaped materials, and finally rolling. After the temperature is reduced stably, the plate is cut into a rectangular treading stress luminous carpet with the length of 100cm multiplied by 50cm multiplied by 1cm by a metal cutting knife.
Example 2
The raw material ratio of the stress luminescence carpet of the embodiment 2 is as follows:
the raw materials for preparing the stress luminous carpet comprise, by mass: 1 part of Cu, 8 parts of polyethylene oxide, 80 parts of low-density polyethylene, 2 parts of diethyl ether, 1 part of butane, 2 parts of low-molecular-weight polypropylene, 2 parts of polyethylene wax and 5 parts of monoglyceride.
The preparation process of the stress luminescence carpet of example 2 and the preparation process of the stress luminescence carpet of example 1 are as follows:
(1) the method comprises the steps of carrying out winnowing treatment on low-density polyethylene particles, sequentially adding the low-density polyethylene, an internal lubricant (low-molecular-weight polypropylene and polyethylene wax) and an anti-shrinking agent (monoglyceride) into an automatic particle feeding machine, a feeding machine and an anti-shrinking agent system in a pearl cotton production system, heating and melting, adding a stress luminescent material, adjusting the rotating speed to be 100r/min, alternately carrying out clockwise stirring and anticlockwise stirring for 1min each time, wherein the longest stirring time is not more than 10min, and fully and uniformly mixing the low-density polyethylene, the internal lubricant, the anti-shrinking agent and the stress luminescent powder.
(3) And (3) adding a foaming agent into the material processed from the uniformly mixed material in the step (2), starting an automatic foaming machine, and continuously processing, mixing and stirring uniformly. The processing time of the foaming machine is not more than 45 min.
(4) And (4) extruding the uniformly mixed materials in the step (3), drawing and shaping by using a drawing machine after extrusion, adding an antistatic agent to form an antistatic film on the surface of the shaped materials, and finally rolling. After the temperature is reduced stably, the plate is cut into a rectangular treading stress luminous carpet with the length of 100cm multiplied by 50cm multiplied by 1cm by a metal cutting knife.
Example 3
The raw material ratio of the stress luminescence carpet of the embodiment 3 is as follows:
the raw materials for preparing the stress luminous carpet comprise, by mass: 200 parts of Mn, 8 parts of polyethylene oxide, 80 parts of low-density polyethylene, 2 parts of diethyl ether, 1 part of butane, 2 parts of low-molecular-weight polypropylene, 2 parts of polyethylene wax and 5 parts of monoglyceride.
The process for preparing the stress luminescence carpet of example 3 is the same as that of example 1, and thus, the detailed description thereof is omitted.
Example 4
The raw material ratio of the stress luminescence carpet of the embodiment 4 is as follows:
the raw materials for preparing the stress luminous carpet comprise, by mass: 200 parts of Mn, 8 parts of polyethylene oxide, 80 parts of low-density polyethylene, 2 parts of diethyl ether, 1 part of butane, 2 parts of low-molecular-weight polypropylene, 2 parts of polyethylene wax and 5 parts of monoglyceride.
The preparation process of the stress luminescence carpet of example 4 is the same as that of the stress luminescence carpet of example 2, and the detailed description thereof is omitted.
The following are test sections:
the stress luminescence carpets prepared in examples 1 to 4 were subjected to the test of luminescence brightness and luminescence intensity. The test shows that the luminous brightness and luminous intensity are in direct proportion to the filling amount of the stress luminescent material and are in linear enhancement relation with the pressure. Specifically, the stress luminescence carpet of example 3 was tested to have a luminescence brightness of 100cd/m under a pressure of 1000N2Therefore, the auxiliary lighting requirement can be met.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (14)
1. A preparation method of a stress luminous carpet is characterized by comprising the following steps: the stress luminescent carpet is prepared by adding a stress luminescent material in the preparation process of the elastic plastic, wherein the raw materials for preparing the elastic plastic comprise a high-molecular matrix and an antistatic agent, and the antistatic agent comprises polyethylene oxide.
2. The method for preparing a stress luminescence carpet of claim 1, wherein the elastic plastic is EPE pearl cotton, the polymer matrix comprises polyethylene, and the raw materials for preparing the elastic plastic further comprise a foaming agent.
3. The method of claim 2, wherein the step of adding the luminescent material during the process of preparing the elastic plastic comprises:
heating and melting the polymer matrix, and then mixing the polymer matrix with the stress luminescent material and the foaming agent for foaming;
and extruding and drawing the foamed material for shaping, and then adding the antistatic agent to form an antistatic film on the surface of the shaped material.
4. The method of claim 2, wherein the step of adding the luminescent material during the process of preparing the elastic plastic comprises:
mixing the antistatic agent and the stress luminescent material in water to prepare a mixed solution;
heating and melting the polymer matrix, and then mixing the polymer matrix with the foaming agent for foaming;
and extruding and drawing the foamed material for shaping, and then adding the mixed solution to form an antistatic film containing the stress luminescent material on the surface of the shaped material.
5. The method for preparing a stress luminescence carpet according to any one of claims 2 to 4, wherein the raw materials for preparing the elastic plastic further comprise an internal lubricant and an anti-shrinkage agent, and in the step of heating and melting the polymer matrix, the internal lubricant and the anti-shrinkage agent are further added for heating and melting.
6. The method of claim 5, wherein the internal lubricant comprises low molecular weight polypropylene and polyethylene wax.
7. The method for preparing a stress luminescence carpet of claim 5, wherein the raw materials for preparing the EPE pearl cotton comprise, by mass, 70-90 parts of polyethylene, 5-10 parts of an antistatic agent, 1-5 parts of a foaming agent, 2-6 parts of an internal lubricant and 2-8 parts of an anti-shrinkage agent.
8. The method of any one of claims 2-4 and 6-7, wherein the foaming agent comprises ethyl ether and butane.
9. The method for preparing a stress luminescence carpet according to any one of claims 1 to 4 and 6 to 7, wherein the mass ratio of the stress luminescence material to the raw material for preparing the elastic plastic is (0.1-200): 100.
10. The method for preparing the stress luminescence carpet of claim 9, wherein the mass ratio of the stress luminescence material to the raw material for preparing the elastic plastic is (0.4-50): 100.
11. The method of any one of claims 1-4, 6-7 and 10, wherein the stress luminescence material is selected from ZrO2:Ti、ZnS:Mn、ZnS:Cu、ZnS:Ag、SrAl2O4:Eu、SrMgAl6O11:Eu、SrBaMgSi2O7:Eu、Sr2MgSi2O7:Eu、Ca2MgSi2O7:Eu、Ca2MgSi2O7:Dy、CaYAl3O7:Eu、ZnGa2O4:Mn、MgGa2O4:Mn、Ca2Al2SiO7At least one of Ce, CaZnOS: Mn, CaZnOS: Tb, CaZnOS: Pr, CaZnOS: Sm, CaZnOS: Ho, CaZnOS: Dy, CaZnOS: Er, CaZnOS: Eu, CaZnOS-ZnS: Bi, CaZnOS-ZnS: Ag, CaZnOS-ZnS: Cu, CaZnOS-ZnS: Mn, CaZnOS-ZnS: Tb, CaZnOS-ZnS: Pr, CaZnOS-ZnS: Sm, CaZnOS-ZnS: Ho, CaZnOS-ZnS: Dy, CaZnOS-ZnS: Er and CaZnOS-ZnS: Eu.
12. The method of claim 11, wherein the luminescent material is ZnS: Mn, ZnS: Cu, SrAl2O4Eu, CaZnOS-ZnS, R is Mn, Cu or Bi.
13. The stress luminescent carpet is characterized by comprising elastic plastic and a stress luminescent material doped in the elastic plastic, wherein raw materials for preparing the elastic plastic comprise a high polymer matrix and an antistatic agent, and the antistatic agent comprises polyethylene oxide.
14. The stress luminescence carpet of claim 13, wherein the stress luminescence carpet is prepared by the method for preparing the stress luminescence carpet of any one of claims 1 to 12.
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