CN110791191A - Modification method of easy-to-grasp anti-slip swimming ring - Google Patents
Modification method of easy-to-grasp anti-slip swimming ring Download PDFInfo
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- CN110791191A CN110791191A CN201911090932.9A CN201911090932A CN110791191A CN 110791191 A CN110791191 A CN 110791191A CN 201911090932 A CN201911090932 A CN 201911090932A CN 110791191 A CN110791191 A CN 110791191A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2503/00—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a modification method of an easily-gripped anti-slip swimming ring, which comprises the steps of mixing graphene oxide and modified molybdenum disulfide, adding deionized water, sealing, ultrasonically stirring, adding ammonia water to adjust the pH value to be neutral, adding waterborne polyurethane, and uniformly mixing to obtain pretreated waterborne polyurethane; adding modified nano calcium carbonate and modified silicon dioxide into the pretreated waterborne polyurethane, heating and magnetically stirring, adding plasticizer glycerol, continuously stirring, standing and degassing to obtain an anti-skid wear-resistant coating; and (3) uniformly coating the obtained anti-skid wear-resistant coating on the surface of the swim ring by using a coating rod, naturally drying, and carrying out rewetting treatment in a constant temperature and humidity box to obtain the anti-skid wear-resistant swim ring.
Description
Technical Field
The invention belongs to the field of swim rings, and particularly relates to a modification method of an easily-gripped anti-slip swim ring.
Background
Swim rings are similar to life buoys and are used in water. When air is blown, the swim ring has buoyancy, the inside of the swim ring is completely air, the swim ring is sleeved on the waist of a user, then the user jumps down, and the swim ring can be used for assisting swimming learning. The swim ring is suitable for the vast children and the young generation, has the characteristics of safety, sanitation, novelty and the like, and is the best product for the body building and the game of the baby. The novel jump toy is lovely in shape, novel in style, bright in jump color, convenient to carry, not greasy in all plays, and is a latest partner of babies.
The swimming ring has the advantages of low price, good pattern, being deeply popular with children and young men and women in time, convenient carrying of air inflation, air blowing when in use and taking out in the swimming pool, and air release and collection when not in use. But has some disadvantages simultaneously, such as light weight, difficult accurate throwing, poor pressure resistance, easy breakage and air leakage, wet and slippery plastic surface when meeting water, difficult grasping and the like.
According to the preparation method, the aqueous polyurethane is pretreated by adopting the graphene oxide and the modified molybdenum disulfide, and the pretreated aqueous polyurethane is prepared by adopting a solution blending method, so that the pretreated aqueous polyurethane has good wear resistance; then adding modified nano calcium carbonate and modified silicon dioxide into the obtained pretreated waterborne polyurethane to prepare the anti-skid wear-resistant coating; and finally, uniformly coating the anti-skid wear-resistant coating on the surface of the swim ring by a coating method, naturally drying, and carrying out rewetting treatment in a constant temperature and humidity box to obtain the anti-skid wear-resistant swim ring.
Disclosure of Invention
The invention aims to provide a method for modifying an easily-gripped antiskid swim ring, aiming at solving the existing problems.
The invention is realized by the following technical scheme:
a modification method of an easily-gripped anti-slip swimming ring comprises the following steps of:
(1) the pretreatment process of the waterborne polyurethane comprises the following steps:
the graphene oxide contains various oxygen-containing functional groups, the graphene oxide is uniformly dispersed in the waterborne polyurethane, and the oxygen-containing groups on the surface of the graphene oxide and the functional groups of the waterborne polyurethane interact with each other to uniformly disperse the graphene oxide in a waterborne polyurethane matrix to form a continuous network structure; modifying molybdenum disulfide by using a cationic surfactant cetyl trimethyl ammonium bromide, wherein the cetyl trimethyl ammonium bromide plays an extremely important role in the formation process of molybdenum disulfide nano sheets, stacking between molybdenum disulfide layers is strongly inhibited, and the molybdenum disulfide modified by the cetyl trimethyl ammonium bromide is mixed with waterborne polyurethane; mixing 0.5-1 part of graphene oxide and 1-2 parts of modified molybdenum disulfide, adding 20-40 parts of deionized water, sealing, ultrasonically stirring at 50-55 ℃ for 1-2h, adding ammonia water to adjust the pH value to be neutral, adding 60-90 parts of waterborne polyurethane, and uniformly mixing to obtain pretreated waterborne polyurethane; the pretreated waterborne polyurethane is prepared by a solution blending method, and the pretreated waterborne polyurethane has good wear resistance;
(2) preparing the anti-skid wear-resistant coating:
sodium stearate and a silane coupling agent KH570 are used as modifiers to respectively modify nano calcium carbonate and silicon dioxide particles; sodium stearate is successfully grafted to the surface of nano carbonic acid in a chemical bonding mode, and a symmetric absorption peak of a modifier KH570 appears on the surface of nano silicon dioxide, which shows that KH570 is successfully grafted to nano silicon dioxide particles; adding 4-7 parts of modified nano calcium carbonate and 1-2 parts of modified silicon dioxide into the pretreated waterborne polyurethane obtained in the step (1), heating at 80-85 ℃, magnetically stirring for 10-20min, adding 2-3 parts of plasticizer glycerol, continuously stirring for 50-60min, standing and degassing to obtain an anti-skid wear-resistant coating; nano calcium carbonate and nano silicon dioxide are used as anti-skid granules, water-based polyurethane is used as anti-skid resin, glycerol is used as a plasticizer, and the anti-skid wear-resistant coating is prepared by adopting a melt blending method;
(3) the anti-skid and wear-resistant modification of the swim ring:
preparing the anti-skid wear-resistant swim ring by a coating method, uniformly coating the anti-skid wear-resistant coating obtained in the step (2) on the surface of the swim ring by using a coating rod, naturally drying, and carrying out rewetting treatment in a constant temperature and humidity box to obtain the anti-skid wear-resistant swim ring; the modified swim ring has larger static friction coefficient, higher anti-skidding performance, less coating abrasion loss and higher wear resistance;
further, the preparation of the modified molybdenum disulfide in the step (1): adding deionized water into 5-10 parts of hexadecyl trimethyl ammonium bromide at a ratio of 1:100, stirring uniformly, adding into 5-10 parts of molybdenum disulfide colloidal suspension after stirring at 60-65 ℃, centrifuging, washing with hot water until no Br is generated-Vacuum drying at 80-85 deg.C to obtain modified molybdenum disulfide;
the concentration of the molybdenum disulfide colloidal suspension is 10-20%.
Further, in the step (2), the surface modification of the nano calcium carbonate: adding deionized water into 5-10 parts of nano calcium carbonate at a ratio of 1:10, stirring, heating at 60-65 ℃, adding 0.1-0.3 part of modifier sodium stearate, carrying out ultrasonic oscillation for sufficient reaction for 2-4h, washing for 3-5 times by using absolute ethyl alcohol, centrifuging, drying in an oven at 60-65 ℃, and grinding to obtain the modified nano calcium carbonate.
Further, surface modification of the nano silicon dioxide in the step (2): adding absolute ethanol into 5-10 parts of nano silicon dioxide at a ratio of 1:8, stirring to obtain a solution A, mixing 1-2 parts of a modifier silane coupling agent KH570 with 20-40 parts of absolute ethanol, adjusting the pH value to 3-4 by using glacial acetic acid, stirring and mixing with the solution A, heating at 80-85 ℃ for full reaction for 3-5h, performing suction filtration, drying in an oven at 60-65 ℃, and grinding to obtain the modified silicon dioxide.
Further, the temperature of the constant temperature and humidity chamber in the step (3) is 20-25 ℃, and the relative humidity is 40-60%.
Compared with the prior art, the invention has the following advantages:
(1) the graphene oxide contains various oxygen-containing functional groups, the pretreated waterborne polyurethane is prepared by a solution blending method, the graphene oxide is uniformly dispersed in the waterborne polyurethane, and the oxygen-containing groups on the surface of the graphene oxide and the functional groups of the waterborne polyurethane interact to ensure that the graphene oxide is uniformly dispersed in a waterborne polyurethane matrix to form a continuous network structure; modifying molybdenum disulfide by using a cationic surfactant cetyl trimethyl ammonium bromide, wherein the cetyl trimethyl ammonium bromide plays an extremely important role in the formation process of molybdenum disulfide nano sheets, stacking between molybdenum disulfide layers is strongly inhibited, and the molybdenum disulfide modified by the cetyl trimethyl ammonium bromide is mixed with waterborne polyurethane; the pretreated waterborne polyurethane has good wear resistance.
(2) Sodium stearate and a silane coupling agent KH570 are used as modifiers to respectively modify nano calcium carbonate and silicon dioxide particles; sodium stearate is successfully grafted to the surface of nano carbonic acid in a chemical bonding mode, and a symmetric absorption peak of a modifier KH570 appears on the surface of nano silicon dioxide, which shows that KH570 is successfully grafted to nano silicon dioxide particles;
the preparation method comprises the following steps of preparing an anti-slip wear-resistant coating by using nano calcium carbonate and nano silicon dioxide as anti-slip granules, using water-based polyurethane as anti-slip resin and using glycerol as a plasticizer through a melt blending method, and preparing an anti-slip wear-resistant swim ring through a coating method; the modified swim ring has the advantages of large static friction coefficient, higher anti-skid performance, less coating abrasion loss and higher wear resistance.
Detailed Description
Example 1
The method for modifying the easily-gripped anti-slip swimming ring is characterized by comprising the following steps of:
(1) the pretreatment process of the waterborne polyurethane comprises the following steps:
preparing modified molybdenum disulfide: adding deionized water to 5 parts of hexadecyl trimethyl ammonium bromide in a ratio of 1:100, stirring uniformly, adding the mixture into 5 parts of molybdenum disulfide colloidal suspension after stirring at 60 ℃, centrifuging, washing with hot water until no Br is generated-Vacuum drying at 80 deg.c to obtain modified molybdenum disulfide;
the concentration of the molybdenum disulfide colloidal suspension is 10 percent;
mixing 0.5 part of graphene oxide and 1 part of modified molybdenum disulfide, adding 20 parts of deionized water, sealing, ultrasonically stirring for 2 hours at 50 ℃, adding ammonia water to adjust the pH value to be neutral, adding 60 parts of waterborne polyurethane, and uniformly mixing to obtain pretreated waterborne polyurethane;
(2) preparing the anti-skid wear-resistant coating:
surface modification of nano calcium carbonate: adding deionized water into 5 parts of nano calcium carbonate at a ratio of 1:10, stirring, heating at 60 ℃, adding 0.1 part of modifying agent sodium stearate, carrying out ultrasonic oscillation for sufficient reaction for 4 hours, washing for 3 times by using absolute ethyl alcohol, centrifuging, drying in a 60 ℃ oven, and grinding to obtain modified nano calcium carbonate;
surface modification of nano silicon dioxide: adding absolute ethyl alcohol into 5 parts of nano silicon dioxide at a ratio of 1:8, and stirring
Obtaining a solution A, mixing 1 part of a modifier silane coupling agent KH570 with 20 parts of absolute ethyl alcohol, adjusting the pH value to 3 by using glacial acetic acid, stirring and mixing with the solution A, heating at 80 ℃ for full reaction for 5 hours, performing suction filtration, drying in a 60 ℃ oven, and grinding to obtain modified silicon dioxide;
adding 4 parts of modified nano calcium carbonate and 1 part of modified silicon dioxide into the pretreated waterborne polyurethane obtained in the step (1), heating at 80 ℃, magnetically stirring for 20min, adding 3 parts of plasticizer glycerol, continuously stirring for 60min, standing and degassing to obtain an anti-skid wear-resistant coating;
(3) the anti-skid and wear-resistant modification of the swim ring:
uniformly coating the anti-skid wear-resistant coating obtained in the step (2) on the surface of the swim ring by using a coating rod, naturally drying, and carrying out rewetting treatment in a constant temperature and humidity box to obtain the anti-skid wear-resistant swim ring;
the temperature of the constant temperature and humidity box is 20 ℃, and the relative humidity is 40%.
Example 2
The method for modifying the easily-gripped anti-slip swimming ring is characterized by comprising the following steps of:
(1) the pretreatment process of the waterborne polyurethane comprises the following steps:
preparing modified molybdenum disulfide: adding deionized water to 10 parts of hexadecyl trimethyl ammonium bromide in a ratio of 1:100, stirring uniformly, adding the mixture into 10 parts of molybdenum disulfide colloidal suspension after stirring at 65 ℃, centrifuging, washing with hot water until no Br is generated-Vacuum drying at 85 deg.C to obtain modified molybdenum disulfide;
the concentration of the molybdenum disulfide colloidal suspension is 20 percent;
mixing 1 part of graphene oxide and 2 parts of modified molybdenum disulfide, adding 40 parts of deionized water, sealing, ultrasonically stirring for 1h at 55 ℃, adding ammonia water to adjust the pH value to be neutral, adding 90 parts of waterborne polyurethane, and uniformly mixing to obtain pretreated waterborne polyurethane;
(2) preparing the anti-skid wear-resistant coating:
surface modification of nano calcium carbonate: adding deionized water into 10 parts of nano calcium carbonate at a ratio of 1:10, stirring, heating at 65 ℃, adding 0.3 part of modifying agent sodium stearate, carrying out ultrasonic oscillation for sufficient reaction for 2 hours, washing with absolute ethyl alcohol for 5 times, centrifuging, drying in a 65 ℃ oven, and grinding to obtain modified nano calcium carbonate;
surface modification of nano silicon dioxide: adding absolute ethyl alcohol into 10 parts of nano silicon dioxide at a ratio of 1:8, stirring to obtain a solution A, mixing 2 parts of a modifier silane coupling agent KH570 with 40 parts of absolute ethyl alcohol, adjusting the pH value to 4 by using glacial acetic acid, stirring and mixing with the solution A, heating at 85 ℃ to fully react for 3 hours, performing suction filtration, drying in a 65 ℃ oven, and grinding to obtain modified silicon dioxide;
adding 7 parts of modified nano calcium carbonate and 2 parts of modified silicon dioxide into the pretreated waterborne polyurethane obtained in the step (1), heating at 85 ℃, magnetically stirring for 10min, adding 3 parts of plasticizer glycerol, continuously stirring for 60min, standing and degassing to obtain an anti-skid wear-resistant coating;
(3) the anti-skid and wear-resistant modification of the swim ring:
uniformly coating the anti-skid wear-resistant coating obtained in the step (2) on the surface of the swim ring by using a coating rod, naturally drying, and carrying out rewetting treatment in a constant temperature and humidity box to obtain the anti-skid wear-resistant swim ring;
the temperature of the constant temperature and humidity box is 25 ℃, and the relative humidity is 60%.
The modified swim ring prepared by the method disclosed by the embodiment of the invention has excellent anti-skidding and wear-resisting properties and is easy to grasp; the modified static friction coefficient reaches 0.835, the static friction coefficient is larger, and the anti-skid property is higher; the modified swim ring has the advantages of less coating abrasion loss and higher wear resistance.
Claims (5)
1. The method for modifying the easily-gripped anti-slip swimming ring is characterized by comprising the following steps of:
the pretreatment process of the waterborne polyurethane comprises the following steps:
mixing 0.5-1 part of graphene oxide and 1-2 parts of modified molybdenum disulfide, adding 20-40 parts of deionized water, sealing, ultrasonically stirring at 50-55 ℃ for 1-2h, adding ammonia water to adjust the pH value to be neutral, adding 60-90 parts of waterborne polyurethane, and uniformly mixing to obtain pretreated waterborne polyurethane;
preparing the anti-skid wear-resistant coating:
adding 4-7 parts of modified nano calcium carbonate and 1-2 parts of modified silicon dioxide into the pretreated waterborne polyurethane obtained in the step (1), heating at 80-85 ℃, magnetically stirring for 10-20min, adding 2-3 parts of plasticizer glycerol, continuously stirring for 50-60min, standing and degassing to obtain an anti-skid wear-resistant coating;
the anti-skid and wear-resistant modification of the swim ring:
and (3) uniformly coating the anti-skid wear-resistant coating obtained in the step (2) on the surface of the swim ring by using a coating rod, naturally drying, and carrying out rewetting treatment in a constant temperature and humidity box to obtain the anti-skid wear-resistant swim ring.
2. The method for modifying the easy-to-grasp antiskid swimming ring according to claim 1, wherein the preparation of the modified molybdenum disulfide in the step (1):
adding deionized water into 5-10 parts of hexadecyl trimethyl ammonium bromide at a ratio of 1:100, stirring uniformly, adding into 5-10 parts of molybdenum disulfide colloidal suspension after stirring at 60-65 ℃, centrifuging, washing with hot water until no Br is generated-Vacuum drying at 80-85 deg.C to obtain modified molybdenum disulfide;
the concentration of the molybdenum disulfide colloidal suspension is 10-20%.
3. The method for modifying the easily-gripped antiskid swimming ring according to claim 1, wherein the surface modification of the nano calcium carbonate in the step (2):
adding deionized water into 5-10 parts of nano calcium carbonate at a ratio of 1:10, stirring, heating at 60-65 ℃, adding 0.1-0.3 part of modifier sodium stearate, carrying out ultrasonic oscillation for sufficient reaction for 2-4h, washing for 3-5 times by using absolute ethyl alcohol, centrifuging, drying in an oven at 60-65 ℃, and grinding to obtain the modified nano calcium carbonate.
4. The method for modifying the easy-to-grasp antiskid swimming ring according to claim 1, wherein the surface modification of the nano silica in the step (2):
adding absolute ethanol into 5-10 parts of nano silicon dioxide at a ratio of 1:8, stirring to obtain a solution A, mixing 1-2 parts of a modifier silane coupling agent KH570 with 20-40 parts of absolute ethanol, adjusting the pH value to 3-4 by using glacial acetic acid, stirring and mixing with the solution A, heating at 80-85 ℃ for full reaction for 3-5h, performing suction filtration, drying in an oven at 60-65 ℃, and grinding to obtain the modified silicon dioxide.
5. The method for modifying an easily-gripped antiskid swimming ring according to claim 1, wherein the temperature of the constant temperature and humidity chamber in step (3) is 20-25 ℃ and the relative humidity is 40-60%.
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| CN201911090932.9A CN110791191A (en) | 2019-11-09 | 2019-11-09 | Modification method of easy-to-grasp anti-slip swimming ring |
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| CN201911090932.9A CN110791191A (en) | 2019-11-09 | 2019-11-09 | Modification method of easy-to-grasp anti-slip swimming ring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112724651A (en) * | 2020-12-14 | 2021-04-30 | 东莞市吉鑫高分子科技有限公司 | Thermoplastic polyurethane elastomer with anti-slip function and preparation method thereof |
| CN113637369A (en) * | 2021-09-16 | 2021-11-12 | 长沙民德消防工程涂料有限公司 | High-hardness water-based nano glass heat-insulating coating and application thereof |
-
2019
- 2019-11-09 CN CN201911090932.9A patent/CN110791191A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112724651A (en) * | 2020-12-14 | 2021-04-30 | 东莞市吉鑫高分子科技有限公司 | Thermoplastic polyurethane elastomer with anti-slip function and preparation method thereof |
| CN112724651B (en) * | 2020-12-14 | 2023-01-03 | 东莞市吉鑫高分子科技有限公司 | Thermoplastic polyurethane elastomer with anti-slip function and preparation method thereof |
| CN113637369A (en) * | 2021-09-16 | 2021-11-12 | 长沙民德消防工程涂料有限公司 | High-hardness water-based nano glass heat-insulating coating and application thereof |
| CN113637369B (en) * | 2021-09-16 | 2022-11-08 | 长沙民德消防工程涂料有限公司 | High-hardness water-based nano glass heat-insulating coating and application thereof |
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