CN113337024A - Formula modification and production process of moisture-proof anti-slip floor mat - Google Patents

Formula modification and production process of moisture-proof anti-slip floor mat Download PDF

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Publication number
CN113337024A
CN113337024A CN202110660829.4A CN202110660829A CN113337024A CN 113337024 A CN113337024 A CN 113337024A CN 202110660829 A CN202110660829 A CN 202110660829A CN 113337024 A CN113337024 A CN 113337024A
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agent
parts
moisture
resin
floor mat
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高福林
方海霞
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Qingdao Deerjie New Material Co ltd
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Qingdao Deerjie New Material Co ltd
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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
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/06—Polystyrene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
    • C08L71/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
    • C08L71/12—Polyphenylene oxides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/04—Antistatic
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • 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
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Floor Finish (AREA)

Abstract

The invention discloses a formula modification and production process of a moisture-proof anti-slip floor mat, wherein the formula of the anti-slip floor mat is formed by mixing a component A, a component B and a component C, the component A comprises thermoplastic resin and recycled resin, the component B comprises a flame retardant, an antistatic agent, a filling agent and a modified toughening agent, the component C comprises a wear-resisting agent and a coloring agent, and the weight ratio is as follows: 60-80 parts of thermoplastic resin, 5-15 parts of recycled resin, 10-25 parts of flame retardant, 5-18 parts of antistatic agent, 2-6 parts of filler, 10-25 parts of modified toughening agent, 5-10 parts of wear-resisting agent and 0-5 parts of coloring agent. The formula modification and production process of the moisture-proof anti-slip floor mat provided by the invention mainly aims at reducing the operation time of floor mat preparation, improving the modification accuracy of floor mat preparation, simplifying the preparation process, reducing resource waste, reducing the cost and improving the practicability.

Description

Formula modification and production process of moisture-proof anti-slip floor mat
Technical Field
The invention relates to the field of formula modification of a ground mat, in particular to formula modification and a production process of a moisture-proof anti-slip ground mat.
Background
The ground mat is usually placed at the entrance for strike off the mud dust and the water stain of sole, reach the purpose that keeps indoor ground clean and tidy with this, also be used as playing skid-proof effect in spaces such as bathroom, its molding is changeable, also be common home decoration article simultaneously, the ground mat raw materials that use in the existing market still exist not enoughly in the use, raw materials modification effect is poor, the preparation technology is complicated, the preparation time is long, and traditional ground mat raw materials are heavier, there is the wasting of resources, be in moist environment easily cause the corruption for a long time, easily receive external influence to cause the removal, moisture-proof and anti-skidding effect is poor, for this reason, we propose a moisture-proof anti-skidding ground mat prescription modification and production technology.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a formula modification and production process of a moisture-proof anti-slip floor mat.
In order to achieve the purpose, the invention adopts the following technical scheme:
the formula of the moisture-proof anti-slip floor mat is formed by mixing a component A, a component B and a component C, wherein the component A comprises thermoplastic resin and recycled resin, the component B comprises a flame retardant, an antistatic agent, a filling agent and a modified toughening agent, and the component C comprises a wear-resistant agent and a coloring agent in the following weight ratio: 60-80 parts of thermoplastic resin, 5-15 parts of recycled resin, 10-25 parts of flame retardant, 5-18 parts of antistatic agent, 2-6 parts of filler, 10-25 parts of modified toughening agent, 5-10 parts of wear-resisting agent and 0-5 parts of coloring agent.
Preferably, the thermoplastic resin is a mixture prepared by mixing one or more of polyethylene, polypropylene, polyvinyl chloride, polystyrene, polymethyl methacrylate, polyester, polyoxymethylene, polyamide and polyphenylene oxide in any ratio.
Preferably, the recycled resin is a mixture of waste plastic products which are recycled and subjected to purification treatment.
Preferably, the flame retardant is a mixture prepared by mixing one or more of inorganic phosphorus, organic halide, organic phosphide, organic silicon and nitride in any ratio.
Preferably, the antistatic agent is a mixture prepared by mixing one or more of carbon nanotubes and copper powder in any ratio.
Preferably, the filler is a mixture prepared by mixing one or more of coal ash powder, talcum powder, calcium carbonate powder, an expanding agent microsphere, paraffin and polyethylene wax according to any ratio.
Preferably, the modified toughening agent is a mixture prepared by mixing one or more of high impact resin and high impact rubber in any ratio.
Preferably, the anti-wear agent is a mixture prepared by mixing one or more of graphite, molybdenum disulfide and silicon dioxide according to any ratio.
Preferably, the colorant is a Gardner color number containing 50% toluene solution, and the acid value of the colorant is less than or equal to 15 mgKOH/g.
A production process for modifying a moisture-proof anti-slip floor mat formula comprises the following steps:
s1, drying: the plastic resin and the recycled resin are proportioned and weighed according to the weight parts, and then the weighed raw materials are placed into an oven for drying, the drying temperature of the oven is 110-;
s2, hot mixing: putting the dried ingredients into a kneader, crushing and mixing the plastic resin and the recycled resin by the kneader, controlling the temperature of the kneader at 200-300 ℃, and kneading for 50-80min to fully fuse the plastic resin and the recycled resin to prepare a base material;
s3, modification: putting a flame retardant, an antistatic agent, a filler and a modified toughening agent into a kneader for preparing a base material, then starting the kneader again, crushing and mixing the flame retardant, the antistatic agent, the filler and the modified toughening agent with the base material through the kneader, controlling the temperature of the kneader at 200-300 ℃, kneading for 50-80min, fully fusing the plastic resin and the recovered resin, adding a wear-resistant agent and a colorant, continuously crushing and mixing, controlling the temperature of the kneader at 200-300 ℃, and kneading for 50-80min to prepare a modified base material;
s4, extrusion: and (3) putting the prepared modified base material into a double-screw extruder, and performing extrusion granulation through a double screw to finish the production of the formula modification of the moisture-proof anti-slip ground mat, wherein the extrusion temperature is controlled at 190 ℃ in the temperature range of 150-.
Compared with the prior art, the invention has the beneficial effects that: the moisture-proof anti-slip floor mat formula modification and production process provided by the invention mainly comprises the steps of modifying the floor mat raw material, reducing the operation time of floor mat preparation, facilitating the test of the modification result of the floor mat raw material, increasing the modification accuracy of the floor mat preparation, reducing useless work, avoiding waste, and having simple preparation process and low raw material cost.
In conclusion, the formula modification and production process of the floor mat reduces the operation time of floor mat preparation, improves the modification accuracy of floor mat preparation, has simple preparation process, reduces resource waste, reduces cost and improves practicability.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The formula of the moisture-proof anti-slip floor mat is formed by mixing a component A, a component B and a component C, wherein the component A comprises thermoplastic resin and recycled resin, the component B comprises a flame retardant, an antistatic agent, a filling agent and a modified toughening agent, and the component C comprises a wear-resistant agent and a coloring agent in the following weight ratio: 60 parts of thermoplastic resin, 5 parts of recycled resin, 10 parts of flame retardant, 5 parts of antistatic agent, 2 parts of filler, 10 parts of modified toughening agent, 5 parts of wear-resisting agent and 2 parts of colorant.
The thermoplastic resin is a mixture prepared by mixing polyethylene, polypropylene and polyphenyl ether according to any ratio, the recovered resin is a mixture of recovered and purified waste plastic products, the flame retardant is a mixture prepared by mixing inorganic phosphorus, organic phosphide and nitride according to any ratio, the antistatic agent is a carbon nano tube, the filler is a mixture prepared by mixing talcum powder, expanding agent microspheres and polyethylene wax according to any ratio, the modifying and toughening agent is high-impact-resistant resin, the wear-resisting agent is a mixture prepared by mixing graphite and silicon dioxide according to any ratio, the coloring agent is a Gardner color number containing 50% toluene solution, and the acid value of the coloring agent is less than or equal to 15 mgKOH/g.
A production process for modifying a moisture-proof anti-slip floor mat formula comprises the following steps:
s1, drying: weighing the plastic resin and the recovered resin according to the weight parts, and then placing the weighed raw materials into an oven for drying, wherein the drying temperature of the oven is 130 ℃, the drying time is 15H, the thickness of the dried material is less than or equal to 30mm, and the water content of the plastic resin and the recovered resin is less than or equal to 0.03%, so as to obtain a dried ingredient;
s2, hot mixing: putting the dried ingredients into a kneader, crushing and mixing the plastic resin and the recycled resin by the kneader, controlling the temperature of the kneader at 300 ℃ and kneading for 50min to fully fuse the plastic resin and the recycled resin to prepare a base material;
s3, modification: putting a flame retardant, an antistatic agent, a filler and a modified toughening agent into a kneader for preparing a base material, then starting the kneader again, crushing and mixing the flame retardant, the antistatic agent, the filler and the modified toughening agent with the base material through the kneader, controlling the temperature of the kneader at 300 ℃ and the kneading time at 50min to fully fuse plastic resin and recovered resin, then adding a wear-resistant agent and a colorant, continuing crushing and mixing, controlling the temperature of the kneader at 300 ℃ and the kneading time at 50min to prepare a modified base material;
s4, extrusion: and (3) putting the prepared modified base material into a double-screw extruder, and extruding and granulating by using double screws to finish the production of the moisture-proof anti-slip ground mat formula modification, wherein the extrusion temperature is controlled at 150 ℃, and the granulation process rotating speed is set at 320 RPM.
Example 2
The formula of the moisture-proof anti-slip floor mat is formed by mixing a component A, a component B and a component C, wherein the component A comprises thermoplastic resin and recycled resin, the component B comprises a flame retardant, an antistatic agent, a filling agent and a modified toughening agent, and the component C comprises a wear-resistant agent and a coloring agent in the following weight ratio: 80 parts of thermoplastic resin, 15 parts of recycled resin, 25 parts of flame retardant, 18 parts of antistatic agent, 6 parts of filler, 25 parts of modified toughening agent, 10 parts of wear-resisting agent and 5 parts of colorant.
In a specific embodiment, the thermoplastic resin is a mixture prepared by mixing polyethylene, polypropylene, polyvinyl chloride, polystyrene and polyphenyl ether according to any ratio, the recovered resin is a mixture of recovered and purified waste plastic products, the flame retardant is a mixture prepared by mixing inorganic phosphorus, organic halide, organic phosphide, organic silicon and nitride according to any ratio, the antistatic agent is a mixture prepared by mixing carbon nanotubes and copper powder according to any ratio, the filler is a mixture prepared by mixing coal ash powder, talcum powder, calcium carbonate powder, expansion agent microspheres, paraffin and polyethylene wax according to any ratio, the modifying and toughening agent is a mixture prepared by mixing high impact resistant resin and high impact resistant rubber according to any ratio, the wear resistant agent is a mixture prepared by mixing graphite, molybdenum disulfide and silicon dioxide according to any ratio, the colorant is a sodium color number containing 50% toluene solution, and the acid value of the colorant is less than or equal to 15 mgKOH/g.
A production process for modifying a moisture-proof anti-slip floor mat formula comprises the following steps:
s1, drying: weighing the plastic resin and the recovered resin according to the weight parts, and then placing the weighed raw materials into an oven for drying, wherein the drying temperature of the oven is 110 ℃, the drying time is 21H, the thickness of the dried material is less than or equal to 30mm, and the water content of the plastic resin and the recovered resin is less than or equal to 0.03%, so as to obtain a dried ingredient;
s2, hot mixing: putting the dried ingredients into a kneader, crushing and mixing the plastic resin and the recycled resin by the kneader, controlling the temperature of the kneader at 200 ℃ and kneading for 80min to fully fuse the plastic resin and the recycled resin to prepare a base material;
s3, modification: putting a flame retardant, an antistatic agent, a filler and a modified toughening agent into a kneader for preparing a base material, then starting the kneader again, crushing and mixing the flame retardant, the antistatic agent, the filler and the modified toughening agent with the base material through the kneader, controlling the temperature of the kneader at 200 ℃ and the kneading time at 80min to fully fuse the plastic resin and the recovered resin, then adding a wear-resistant agent and a colorant, continuously crushing and mixing, controlling the temperature of the kneader at 200 ℃ and the kneading time at 80min to prepare a modified base material;
s4, extrusion: and (3) putting the prepared modified base material into a double-screw extruder, and extruding and granulating by using double screws to finish the production of the moisture-proof anti-slip ground mat formula modification, wherein the extrusion temperature is controlled at 190 ℃, and the granulation process rotating speed is set at 280 RPM.
It can be known from the above embodiments that, compared with the prior art, the beneficial effects of the present invention are: the moisture-proof anti-slip floor mat formula modification and production process provided by the invention mainly comprises the steps of modifying the floor mat raw material, reducing the operation time of floor mat preparation, facilitating the test of the modification result of the floor mat raw material, increasing the modification accuracy of the floor mat preparation, reducing useless work, avoiding waste, and having simple preparation process and low raw material cost.
In conclusion, the formula modification and production process of the floor mat reduces the operation time of floor mat preparation, improves the modification accuracy of floor mat preparation, has simple preparation process, reduces resource waste, reduces cost and improves practicability.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The formula of the moisture-proof anti-skidding ground mat is characterized by being formed by mixing a component A, a component B and a component C, wherein the component A comprises thermoplastic resin and recycled resin, the component B comprises a flame retardant, an antistatic agent, a filling agent and a modified toughening agent, and the component C comprises a wear-resisting agent and a coloring agent in the following weight ratio: 60-80 parts of thermoplastic resin, 5-15 parts of recycled resin, 10-25 parts of flame retardant, 5-18 parts of antistatic agent, 2-6 parts of filler, 10-25 parts of modified toughening agent, 5-10 parts of wear-resisting agent and 0-5 parts of coloring agent.
2. The moisture-resistant anti-slip floor mat formulation as claimed in claim 1, wherein the thermoplastic resin is a mixture of one or more of polyethylene, polypropylene, polyvinyl chloride, polystyrene, polymethyl methacrylate, polyester, polyoxymethylene, polyamide and polyphenylene oxide mixed in any ratio.
3. The formulation of a moisture-resistant anti-slip mat as claimed in claim 1, wherein said recycled resin is a mixture of recycled and decontaminated waste plastic products.
4. The formulation of claim 1, wherein the fire retardant is a mixture of one or more of inorganic phosphorus, organic halide, organic phosphide, organic silicon and nitride mixed in any ratio.
5. The formulation of claim 1, wherein the antistatic agent is a mixture of one or more of carbon nanotubes and copper powder mixed at any ratio.
6. The moisture-proof anti-slip floor mat formula according to claim 1, wherein the filler is a mixture prepared by mixing one or more of fly ash powder, talcum powder, calcium carbonate powder, an expanding agent microsphere, paraffin and polyethylene wax according to any ratio.
7. The moisture-proof anti-slip floor mat formula as claimed in claim 1, wherein the modifying and toughening agent is a mixture prepared by mixing one or more of high impact resin and high impact rubber in any ratio.
8. The moisture-proof and anti-slip floor mat formulation according to claim 1, wherein the anti-wear agent is a mixture of one or more of graphite, molybdenum disulfide and silica in any ratio.
9. The moisture-resistant and anti-slip floor mat formulation as claimed in claim 1, wherein the colorant is a Gardner color number containing 50% toluene solution, and the acid value of the colorant is less than or equal to 15 mgKOH/g.
10. A process for modifying the formulation of a moisture-resistant anti-slip floor mat as claimed in claim 1, which comprises the steps of:
s1, drying: the plastic resin and the recycled resin are proportioned and weighed according to the weight parts, and then the weighed raw materials are placed into an oven for drying, the drying temperature of the oven is 110-;
s2, hot mixing: putting the dried ingredients into a kneader, crushing and mixing the plastic resin and the recycled resin by the kneader, controlling the temperature of the kneader at 200-300 ℃, and kneading for 50-80min to fully fuse the plastic resin and the recycled resin to prepare a base material;
s3, modification: putting a flame retardant, an antistatic agent, a filler and a modified toughening agent into a kneader for preparing a base material, then starting the kneader again, crushing and mixing the flame retardant, the antistatic agent, the filler and the modified toughening agent with the base material through the kneader, controlling the temperature of the kneader at 200-300 ℃, kneading for 50-80min, fully fusing the plastic resin and the recovered resin, adding a wear-resistant agent and a colorant, continuously crushing and mixing, controlling the temperature of the kneader at 200-300 ℃, and kneading for 50-80min to prepare a modified base material;
s4, extrusion: and (3) putting the prepared modified base material into a double-screw extruder, and performing extrusion granulation through a double screw to finish the production of the formula modification of the moisture-proof anti-slip ground mat, wherein the extrusion temperature is controlled at 190 ℃ in the temperature range of 150-.
CN202110660829.4A 2021-06-15 2021-06-15 Formula modification and production process of moisture-proof anti-slip floor mat Withdrawn CN113337024A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114193885A (en) * 2022-01-04 2022-03-18 新乐华宝医疗器械有限公司 Anti-skid water-absorbing floor mat and preparation method thereof
CN115011023A (en) * 2022-07-21 2022-09-06 青岛锐俊智能科技有限公司 Formula modification and production process of moisture-proof anti-slip floor mat
TWI820593B (en) * 2022-01-27 2023-11-01 李沛蓁 Moisture-absorbing and non-slip pad and method for manufacturing the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114193885A (en) * 2022-01-04 2022-03-18 新乐华宝医疗器械有限公司 Anti-skid water-absorbing floor mat and preparation method thereof
CN114193885B (en) * 2022-01-04 2023-09-08 新乐华宝医疗器械有限公司 Anti-skid water-absorbing floor mat and preparation method thereof
TWI820593B (en) * 2022-01-27 2023-11-01 李沛蓁 Moisture-absorbing and non-slip pad and method for manufacturing the same
CN115011023A (en) * 2022-07-21 2022-09-06 青岛锐俊智能科技有限公司 Formula modification and production process of moisture-proof anti-slip floor mat

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Application publication date: 20210903