CN111592677A - Novel wear-resistant EVA sheet - Google Patents
Novel wear-resistant EVA sheet Download PDFInfo
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- CN111592677A CN111592677A CN201910125327.4A CN201910125327A CN111592677A CN 111592677 A CN111592677 A CN 111592677A CN 201910125327 A CN201910125327 A CN 201910125327A CN 111592677 A CN111592677 A CN 111592677A
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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
- C08J2323/08—Copolymers of ethene
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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
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
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Abstract
The invention discloses a novel wear-resistant EVA sheet, which comprises an Ethylene Vinyl Acetate (EVA) copolymer layer and a polyurethane layer, and also provides a preparation method of the corresponding novel wear-resistant EVA sheet. Firstly, a raw material flow taking EVA as main body resin is extended into a sheet, then polyurethane slurry is coated on the surface of the EVA layer, and the wear-resistant polyurethane layer is obtained after drying and curing. The EVA sheet produced by the invention has excellent comprehensive performances such as good wear resistance, environmental protection, no toxicity, comfortable hand feeling and the like.
Description
Technical Field
The invention relates to the technical field of composite materials, in particular to a novel wear-resistant EVA sheet.
Background
The EVA material is ethylene-vinyl acetate copolymer, and the content of Vinyl Acetate (VA) is 5-40%. Compared with polyethylene, EVA has low crystallinity, high flexibility, high impact resistance, high intermiscibility of stuffing and high heat sealing performance owing to the introduction of vinyl acetate monomer into the molecular chain.
The EVA sheet is one of the most widely used materials at home and abroad at present, is closely related to the basic industry of national economy, and along with the improvement of the quality of the living standard of people, the market scale growth rate of the EVA is also increased year by year. The EVA sheet mainly has the following advantages: the plasticity is strong, and the product can be processed into products with different colors, hardness, specification and size and other performances according to the requirements of customers; the appearance is good, the weight is light, the appearance is beautiful, the color is various, the thickness is uniform, and the surface is flat; good compatibility, capability of compounding, gluing, sealing and high elasticity; the safety is strong, and the flame retardant, the antistatic, the conductive, the shock absorption, the buffering, the sealing and the like are realized; high environmental protection degree, no toxicity, no odor, no pollution, no public nuisance, degradability and recyclability.
The EVA sheet has wide application range, and is suitable for photovoltaic module packaging adhesive films, shoe materials, handbags, adhesive products, electronic accessories, lamp decorations, artificial flower factories, computer mice, floor mat materials, toy gifts, sports equipment and the like. The method specifically comprises the following steps: EVA taekwondo mat, sports mat, EVA suede ground mat, luggage back mat, kneeling mat, EVA household goods, EVA craft promotion gift, stationery goods, travel goods, children toy, EVA packaging product, lining material of sports shoes, sports insole, outdoor sole, surfboard, sports protector, automotive interior, shoe material laminating and other wide fields.
The wide use of EVA sheets has been increasing, and the requirements for various properties of EVA sheets are also increasing, but because of the influence of the properties of EVA itself, the abrasion resistance of EVA sheets is relatively low, so how to improve the abrasion resistance of EVA sheets becomes a hot point of research. Such as the addition of anti-wear agents, etc. have been reported. However, no reports are found on coating a wear-resistant polyurethane coating on the surface of the EVA sheet, and the polyurethane has the advantages of high strength, large elongation, good rebound resilience, wear resistance, oil resistance, aging resistance, low temperature resistance and the like, so that how to improve the wear resistance of the EVA sheet by using the polyurethane has important significance.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a novel wear-resistant EVA sheet, which comprises an EVA layer and at least one polyurethane layer.
Preferably, the EVA layer contains more than 50 wt% of ethylene-vinyl acetate copolymer, and the other component comprises one or more of cross-linking agent, antioxidant, colorant, flame retardant, foaming agent, bridging agent, mold release agent, flame retardant, filler and other modifiers.
Preferably, the VA content of the ethylene-vinyl acetate copolymer in the EVA layer is 16-40%, and the purpose of increasing the adhesive force between the EVA layer and the polyurethane layer is to select a higher VA content.
Preferably, the thickness of the EVA layer is 0.05-15.0 mm.
Preferably, the thickness of the EVA layer is 0.1-3.0 mm.
Preferably, the polyurethane layer main body resin is water-based polyurethane or solvent-free polyurethane.
Preferably, the novel wear-resistant EVA sheet consists of an EVA layer and a single-layer polyurethane layer;
preferably, the novel wear-resistant EVA sheet comprises an EVA layer and at least two polyurethane layers.
Preferably, the thickness of the polyurethane layer is 0.005-0.3 mm.
Preferably, the thickness of the polyurethane layer is 0.015-0.2 mm.
The invention provides a preparation method of a novel wear-resistant EVA sheet, which comprises the following steps: the EVA sheet with better wear resistance can be prepared by extending the raw material flow taking EVA as main resin into a sheet, then coating polyurethane slurry on the surface, drying and curing.
Preferably, the method specifically comprises the following steps:
preparing related raw materials of an EVA layer;
fully mixing the raw materials, adding the mixture into an extruder, and extruding and casting the mixture into a required sheet;
and coating or treating polyurethane slurry on the surface of the EVA sheet, drying and curing to obtain the novel wear-resistant EVA sheet with better wear resistance.
The EVA sheet produced by the method has excellent comprehensive performances such as good wear resistance, environmental protection, no toxicity, comfortable hand feeling and the like.
Drawings
Fig. 1 is a schematic structural diagram of the novel wear-resistant EVA sheet of the present invention.
Reference numerals
1 Ethylene Vinyl Acetate (EVA) layer
2 polyurethane layer
Detailed Description
In order to more clearly describe the technical contents of the present invention, the following further description is given in conjunction with specific embodiments.
Example 1
In this embodiment, the solvent-free polyurethane slurry includes the following raw materials in percentage by weight: :
solvent-free polyurethane prepolymer: 65.9 wt.%
Curing agent: 34.0 wt.%
Catalyst: 0.1 wt%
Wherein the isocyanate ester content of the polyurethane prepolymer is 8.7 percent, and the hydroxyl value of the curing agent is 200 mgKOH/g;
the preparation method of the novel wear-resistant EVA sheet comprises the following steps:
1) preparing related raw materials of an EVA layer, wherein the VA content of the EVA raw material is 16%, the mark of the EVA raw material is Taiwan polymer chemical Co., Ltd UE630, and the EVA content is 60 wt%;
2) fully mixing the raw materials, adding the mixture into an extruder, extruding and casting the mixture into a required sheet, wherein the thickness of the sheet is 0.1 mm;
3) coating or treating polyurethane slurry on the surface of EVA, drying, curing to obtain a polyurethane layer with thickness of 0.3mm, and making into wear-resistant EVA sheet.
Example 2
In this embodiment, the polyurethane slurry includes the following raw materials in percentage by weight:
wherein the aqueous polyurethane dispersion liquid 1 is FW-6600W produced by Dazhong chemistry in Anqing, and is aliphatic polyurethane; the curing agent is isocyanate type;
the preparation method of the novel wear-resistant EVA sheet comprises the following steps:
1) preparing related raw materials of an EVA layer, wherein the VA content of the EVA raw material is 25%, the mark of the EVA raw material is Taiwan polymer chemical Co., Ltd UE630, and the EVA content is 80 wt%;
2) fully mixing the raw materials, adding the mixture into an extruder, extruding and casting the mixture into a required sheet, wherein the thickness of the sheet is 15.0 mm;
3) and coating or treating polyurethane slurry on the surface of the EVA layer, drying and curing to obtain the wear-resistant EVA sheet, wherein the thickness of the polyurethane layer is 0.3 mm.
Example 3
In this embodiment, the polyurethane slurry includes the following raw materials in percentage by weight:
wherein the aqueous polyurethane dispersion liquid 2 is FW-250 produced by the university students and is aromatic polyurethane;
the preparation method of the novel wear-resistant EVA sheet comprises the following steps:
1) preparing related raw materials of an EVA layer, wherein the VA content of the EVA raw material is 25%, the mark of the EVA raw material is Taiwan polymer chemical Co., Ltd UE630, and the EVA content is 98 wt%;
2) fully mixing the raw materials, adding the mixture into an extruder, extruding and casting the mixture into a required sheet, wherein the thickness of the sheet is 3.0 mm;
3) and coating or treating polyurethane slurry on the surface of the EVA layer, drying and curing to obtain the wear-resistant EVA sheet, wherein the thickness of the polyurethane layer is 0.2 mm.
Example 4
In this embodiment, the polyurethane slurry includes the following raw materials in percentage by weight:
wherein the aqueous polyurethane dispersion liquid 1 is FW-6600W produced by medium and large chemistry and is aliphatic polyurethane;
the preparation method of the novel wear-resistant EVA sheet comprises the following steps:
1) preparing related raw materials of an EVA layer, wherein the VA content of the raw material EVA is 40%, the DuPont EVA 40W is the brand, and the EVA content is 50 wt%;
2) fully mixing the raw materials, adding the mixture into an extruder, extruding and casting the mixture into a required sheet, wherein the thickness of the sheet is 3.0 mm;
3) and coating or treating polyurethane slurry on the surface of the EVA layer, drying and curing to obtain the wear-resistant EVA sheet, wherein the thickness of the polyurethane layer is 0.005 mm.
Example 5
In this embodiment, the polyurethane slurry includes the following raw materials in percentage by weight:
wherein the aqueous polyurethane dispersion liquid 3 is PUD-990A produced by Shanghai Siwa chemistry, and is aliphatic polyurethane; the curing agent is isocyanate type;
the preparation method of the novel wear-resistant EVA sheet comprises the following steps:
1) preparing related raw materials of an EVA layer, wherein the VA content of the raw material EVA is 40%, the trademark is DuPont EVA 40W, and the EVA content is 70 wt%;
2) fully mixing the raw materials, adding the mixture into an extruder, extruding and casting the mixture into a required sheet, wherein the thickness of the sheet is 0.1 mm;
3) and coating or treating polyurethane slurry on the surface of the EVA layer, drying and curing to obtain the polyurethane layer with the thickness of 0.15mm, and thus obtaining the wear-resistant EVA sheet.
Example 6
In this embodiment, the polyurethane slurry includes the following raw materials in percentage by weight:
wherein the aqueous polyurethane dispersion liquid 4 is PUD-882 produced by Shanghai Siwa chemistry, and is aliphatic polyurethane; the curing agent is isocyanate type;
the preparation method of the novel wear-resistant EVA sheet comprises the following steps:
1) preparing related raw materials of an EVA layer, wherein the VA content of the raw material EVA is 40%, the trademark is DuPont EVA 40W, and the EVA content is 90 wt%;
2) fully mixing the raw materials, adding the mixture into an extruder, extruding and casting the mixture into a required sheet, wherein the thickness of the sheet is 0.05 mm;
3) and coating or treating polyurethane slurry on the surface of the EVA layer, drying and curing to obtain the wear-resistant EVA sheet, wherein the thickness of the polyurethane layer is 0.2 mm.
Example 7
In this embodiment, the material coated on the surface of the EVA layer includes:
the first layer of polyurethane slurry comprises the following raw materials in percentage by weight:
solvent-free polyurethane prepolymer: 67.9 wt.%
Curing agent: 32.0 wt.%
Catalyst: 0.1 wt%
Wherein the isocyanate ester content of the solvent-free polyurethane prepolymer is 11.2 percent, and the hydroxyl value of the curing agent is 160 mgKOH/g;
the second layer of polyurethane slurry comprises the following raw materials in percentage by weight:
solvent-free polyurethane prepolymer: 65.9 wt.%
Curing agent: 34.0 wt.%
Catalyst: 0.1 wt%
Wherein the isocyanate ester content of the polyurethane prepolymer is 8.7 percent, and the hydroxyl value of the curing agent is 200 mgKOH/g;
the preparation method of the novel wear-resistant EVA sheet comprises the following steps:
1) preparing related raw materials of an EVA layer, wherein the VA content of the EVA raw material is 16%, the mark of the EVA raw material is Taiwan polymer chemical Co., Ltd UE630, and the EVA content is 60 wt%;
2) fully mixing the raw materials, adding the mixture into an extruder, extruding and casting the mixture into a required sheet, wherein the thickness of the sheet is 0.1 mm;
3) printing a water-based surface treatment agent on the surface of EVA, drying and curing, then coating solvent-free polyurethane slurry by using special pouring equipment, and preserving heat and curing; the thickness of the first layer of polyurethane is 0.01mm, the thickness of the second layer of polyurethane is 0.29mm, and the wear-resistant EVA sheet can be prepared.
Example 8
In this embodiment, the material coated on the surface of the EVA layer includes:
the first layer of polyurethane slurry comprises the following raw materials in percentage by weight:
solvent-free polyurethane prepolymer: 67.9 wt.%
Curing agent: 32.0 wt.%
Catalyst: 0.1 wt%
Wherein the isocyanate ester content of the solvent-free polyurethane prepolymer is 11.2 percent, and the hydroxyl value of the curing agent is 160 mgKOH/g;
the second layer of polyurethane slurry comprises the following raw materials in percentage by weight:
solvent-free polyurethane prepolymer: 65.9 wt.%
Curing agent: 34.0 wt.%
Catalyst: 0.1 wt%
Wherein the isocyanate ester content of the polyurethane prepolymer is 8.7 percent, and the hydroxyl value of the curing agent is 200 mgKOH/g;
the third layer of polyurethane slurry comprises the following raw materials in percentage by weight:
wherein the aqueous polyurethane dispersion liquid 2 is FW-250 produced by the university students and is aromatic polyurethane;
the preparation method of the novel wear-resistant EVA sheet comprises the following steps:
1) preparing related raw materials of an EVA layer, wherein the VA content of the raw material EVA is 40%, the trademark is DuPont EVA 40W, and the EVA content is 70 wt%;
2) fully mixing the raw materials, adding the mixture into an extruder, extruding and casting the mixture into a required sheet, wherein the thickness of the sheet is 0.1 mm;
3) and sequentially coating or treating three layers of polyurethane slurry on the surface of the EVA layer, drying and curing to obtain the wear-resistant EVA sheet, wherein the thickness of the first polyurethane layer is 0.01mm, the thickness of the second polyurethane layer is 0.1mm, and the thickness of the third polyurethane layer is 0.04 mm.
Example 9
In this embodiment, the material coated on the surface of the EVA layer includes:
the first layer is waterborne polyurethane, and the slurry comprises the following raw materials in percentage by weight:
the aqueous polyurethane dispersion liquid 3 is FD-11 of Dachongzhonghua chemical, and the solid content is 45 percent; the curing agent is water emulsion type isocyanate curing agent;
the second layer of polyurethane slurry comprises the following raw materials in percentage by weight:
wherein the aqueous polyurethane dispersion liquid 2 is FW-250 produced by the university students and is aromatic polyurethane;
the preparation method of the novel wear-resistant EVA sheet comprises the following steps:
1) preparing related raw materials of an EVA layer, wherein the VA content of the EVA raw material is 25%, the mark of the EVA raw material is Taiwan polymer chemical Co., Ltd UE630, and the EVA content is 98 wt%;
2) fully mixing the raw materials, adding the mixture into an extruder, extruding and casting the mixture into a required sheet, wherein the thickness of the sheet is 3.0 mm;
3) coating or treating two layers of polyurethane slurry on the surface of the EVA layer in sequence, drying and curing to obtain the wear-resistant EVA sheet, wherein the thickness of the first polyurethane layer is 0.01mm, and the thickness of the second polyurethane layer is 0.19 mm.
Example 10
In this embodiment, the material coated on the surface of the EVA layer is:
the first layer is waterborne polyurethane, and the slurry comprises the following raw materials in percentage by weight:
the aqueous polyurethane dispersion liquid 3 is FD-11 of Dachongzhonghua chemical, and the solid content is 45 percent; the curing agent is water emulsion type isocyanate curing agent;
the second layer of polyurethane slurry comprises the following raw materials in percentage by weight:
solvent-free polyurethane prepolymer: 65.9 wt.%
Curing agent: 34.0 wt.%
Catalyst: 0.1 wt%
Wherein the isocyanate ester content of the polyurethane prepolymer is 8.7 percent, and the hydroxyl value of the curing agent is 200 mgKOH/g;
the third layer of polyurethane slurry comprises the following raw materials in percentage by weight:
wherein the aqueous polyurethane dispersion liquid 2 is FW-250 produced by the university students and is aromatic polyurethane;
the preparation method of the novel wear-resistant EVA sheet comprises the following steps:
1) preparing related raw materials of an EVA layer, wherein the VA content of the raw material EVA is 40%, the trademark is DuPont EVA 40W, and the EVA content is 70 wt%;
2) fully mixing the raw materials, adding the mixture into an extruder, extruding and casting the mixture into a required sheet, wherein the thickness of the sheet is 0.1 mm;
3) and sequentially coating or treating three layers of polyurethane slurry on the surface of the EVA layer, drying and curing to obtain the wear-resistant EVA sheet, wherein the thickness of the first polyurethane layer is 0.01mm, the thickness of the second polyurethane layer is 0.1mm, and the thickness of the third polyurethane layer is 0.04 mm.
Comparative example 1
In this comparative example, the EVA sheet was not coated with a polyurethane layer, and the formulation of other raw materials and the preparation method were the same as those in example 1.
Comparative example 2
In this comparative example, the EVA sheet was not coated with a polyurethane layer, and the formulation and preparation method of other raw materials were the same as those in example 2.
Comparative example 3
In this comparative example, the EVA sheet was not coated with a polyurethane layer, and the formulation and preparation method of other raw materials were the same as those in example 3.
Comparative example 4
In this comparative example, the EVA sheet was not coated with a polyurethane layer, and the formulation and preparation method of other raw materials were the same as those in example 4.
Comparative example 5
In this comparative example, the EVA sheet was not coated with a polyurethane layer, and the formulation of other raw materials and the preparation method were the same as those in example 5.
Comparative example 6
In this comparative example, the EVA sheet was not coated with a polyurethane layer, and the formulation and preparation method of other raw materials were the same as those in example 6.
The properties of the synthetic leathers obtained in examples 1 to 10 and comparative examples 1 to 6 were measured, and the abrasion resistance was measured according to ASTM D1242-1995, and the results are shown in Table I.
TABLE-Performance data sheet of EVA sheets
As can be seen from the data in the table I, the novel wear-resistant EVA sheet provided by the invention comprises the EVA layer and the wear-resistant polyurethane layer, and the EVA sheet produced by the invention has excellent comprehensive properties such as good wear resistance, environmental protection, no toxicity, comfortable hand feeling and the like. Particularly, the polyurethane layer is two or more than two EVA sheets, and the grafting treatment layer is additionally arranged between the EVA layer and the surface polyurethane layer, so that the adhesive force between the EVA and the polyurethane can be better improved, and the wear resistance of the EVA sheets is better.
In this specification, the invention has been described with reference to specific embodiments thereof. It will, however, be evident that various modifications and changes may be made thereto without departing from the broader spirit and scope of the invention. The description is thus to be regarded as illustrative instead of limiting.
Claims (10)
1. The novel wear-resistant EVA sheet is characterized by comprising an EVA layer and at least one polyurethane layer.
2. The novel wear-resistant EVA sheet according to claim 1, wherein the EVA layer contains more than 50 wt% of ethylene-vinyl acetate copolymer and comprises one or more of a combination of modifiers such as a crosslinking agent, an antioxidant, a colorant, a flame retardant, a foaming agent, a bridging agent, a mold release agent, a flame retardant, and a filler.
3. The novel wear-resistant EVA sheet according to claim 1, wherein the VA content of the ethylene-vinyl acetate copolymer in the EVA layer is 16-40%.
4. The novel wear-resistant EVA sheet according to claim 1, wherein the EVA layer has a thickness of 0.05-15.0 mm.
5. The novel wear-resistant EVA sheet according to claim 1, wherein the polyurethane layer main body resin is water-based polyurethane or solvent-free polyurethane.
6. The novel abrasion resistant EVA sheet of claim 1, which is composed of an EVA layer and a single polyurethane layer.
7. The novel abrasion resistant EVA sheet of claim 1, wherein the novel abrasion resistant EVA sheet comprises an EVA layer and at least two polyurethane layers.
8. The novel wear-resistant EVA sheet according to claim 1, wherein the thickness of the wear-resistant polyurethane layer is 0.005-0.3 mm.
9. A method for preparing the novel abrasion-resistant EVA sheet according to any of claims 1 to 8, characterized in that it comprises: the EVA sheet with better wear resistance can be prepared by extending the raw material flow taking EVA as main resin into a sheet, then coating polyurethane slurry on the surface, drying and curing.
10. The method for preparing the novel wear-resistant EVA sheet according to claim 9, wherein the method comprises the following steps:
preparing related raw materials of an EVA layer;
fully mixing the raw materials, adding the mixture into an extruder, and extruding and casting the mixture into a required sheet;
coating/processing polyurethane slurry on the surface of the EVA layer for one time or multiple times, drying and curing to obtain the EVA sheet with better wear resistance.
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| CN201910125327.4A CN111592677A (en) | 2019-02-20 | 2019-02-20 | Novel wear-resistant EVA sheet |
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| CN201910125327.4A CN111592677A (en) | 2019-02-20 | 2019-02-20 | Novel wear-resistant EVA sheet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113462053A (en) * | 2021-06-22 | 2021-10-01 | 上海海优威新材料股份有限公司 | Flexible polymeric wear resistant sheet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4399192A (en) * | 1980-01-07 | 1983-08-16 | Panelographic Corporation | Radiation cured abrasion resistant coatings of pentaerythritol acrylates and cellulose esters on polymeric substrates |
| CN104149455A (en) * | 2014-08-26 | 2014-11-19 | 宁波拓普集团股份有限公司 | Vehicle-used slowly-springback polyurethane foam composite material |
| US20160047130A1 (en) * | 2014-08-18 | 2016-02-18 | Congoleum Corporation | Resilient articles and methods of manufacturing thereof |
| CN206154834U (en) * | 2016-08-15 | 2017-05-10 | 东莞市悠悠美居家居制造有限公司 | Vinyl acetate resin sheet |
-
2019
- 2019-02-20 CN CN201910125327.4A patent/CN111592677A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4399192A (en) * | 1980-01-07 | 1983-08-16 | Panelographic Corporation | Radiation cured abrasion resistant coatings of pentaerythritol acrylates and cellulose esters on polymeric substrates |
| US20160047130A1 (en) * | 2014-08-18 | 2016-02-18 | Congoleum Corporation | Resilient articles and methods of manufacturing thereof |
| CN104149455A (en) * | 2014-08-26 | 2014-11-19 | 宁波拓普集团股份有限公司 | Vehicle-used slowly-springback polyurethane foam composite material |
| CN206154834U (en) * | 2016-08-15 | 2017-05-10 | 东莞市悠悠美居家居制造有限公司 | Vinyl acetate resin sheet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113462053A (en) * | 2021-06-22 | 2021-10-01 | 上海海优威新材料股份有限公司 | Flexible polymeric wear resistant sheet |
| CN113462053B (en) * | 2021-06-22 | 2024-05-07 | 上海海优威新材料股份有限公司 | Flexible polymer wear resistant sheet |
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