Multifunctional composite material and application thereof

A composite material and multi-functional technology, applied in special decorative structures, synthetic resin layered products, decorative arts, etc., to achieve strong impact resistance and high light transmittance

Inactive Publication Date: 2013-05-22

上海艺延实业有限公司

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AI-Extracted Technical Summary

Problems solved by technology

In the existing market, there are many improved decorative materials for a single function, such as composite panels with high visible light transmittance, laminated panels with UV or infrared protection, and decorative materials with special artistic effects, etc., but they have comprehensive fun...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine

Method used

As a kind of preferred scheme, a surface of the textile fabric 21 that described middle layer 2 contains has art pattern, and the other surface is through vacuum coating functionalization treatment; Described vacuum coating functionalization treatment refers to by vacuum coating surface The treatment technology enables the surface of the textile fabric to obtain functional films such as metallic color and ceramic texture. Through the vacuum coating surface treatment on the surface of the textile fabric, the obtained composite material can not only have the decoration of artistic patterns, but also have metallic color, ceramic texture and further increase the strength, making it more suitable for the manufacture of large household appliances panels, Decorative products such as suspended ceilings, wardrobes, kitchen cabinet doors, artistic lamp covers, etc.

As a kind of preferred scheme, described intermediate layer 2 also comprises at least one deck optical film 22 (as shown in Figure 2), and the light reflection rate of described optical film is 10%~60%, and light transmittance is 5% ~45%, the total solar energy cut-off rate is 55%-78%, and the ultraviolet light cut-off rate is ≥99%. By providing at least one layer of optical film 22 on the middle layer 2, the obtained composite material can have optical properties at the same time, and play the role of isolating ultraviolet light and infrared light. External wall and other products.

As a kind of preferred scheme, described intermediate layer 2 also comprises at least one layer filament layer 23 (as shown in Figure 3), to improve the tensile strength of composite material and realize shielding electromagnetic wave radiation function, make more suitable for Manufacture large-scale building sunshade and daylighting products with long spans and no guide rails.

Place 1.0mm thick polycarbonate sheet material, EVA hot-melt adhesive film, the high-density chemical fiber jacquard color after vacuum magnetron sputtering coating process successively by laminated structure on the auxiliary working platform of vacuum heat laminator Woven cloth, EVA hot-melt adhesive film, optical film, EVA hot-melt adhesive film, polycarbonate sheet with a thickness of 1.0mm, move the above-mentioned stacked sheets to the platform of the vacuum heat laminator for thermal lamination, and cool After that, a multi-functional composite material with high strength, light weight, strong decoration and high light transmission can be obtained, which can be used to make wardrobe doors, kitchen cabinet doors, artistic lampshades and other produ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine

Abstract

The invention discloses a multifunctional composite material and an application thereof. The multifunctional composite material is in a layer-like structure formed by using a binding agent to carry out hot-press compositing, and comprises an upper outer surface layer, a lower outer surface layer and a middle layer. The multifunctional composite material is characterized in that the upper outer surface layer and the lower outer surface layer are formed by transparent polymers; the middle layer contains at least one layer of textile fabric; art patterns are arranged on at least one surface of the textile fabric; and the binding agent for hot pressing is a non-light-tight polymer. The composite material disclosed by the invention has various functions of high light transmission, art decoration, light weight and convenience, high strength, strong anti-impact capability, screening of electromagnetic radiation, high toughness, isolation of ultraviolet rays and infrared rays and the like, and can be applied to various industries, such as industries of manufacturing a sun-shading and lighting product, a panel for a household appliance, an indoor decorative material, a sports protection product, a safe protection product, a partition wall, abruption, a luggage and the like. The multifunctional composite material is widely applied, can meet various functional requirements on the material in the current society, and has the advantages of practical values, energy conversation and environmental friendliness.

Application Domain

Synthetic resin layered productsSpecial ornamental structures

Technology Topic

Hot pressLamellar structure +9

Image

Examples

Experimental program(7)

Example Embodiment

[0035] The preparation of the above composite material is to first coat the lower outer surface layer 3 with an adhesive coating or film on the upper surface, the intermediate layer 2 and the upper outer surface layer 1 with an adhesive coating or film on the lower surface in sequence. After stacking, use a vacuum thermal laminator for hot pressing and cooling.

[0036] Since the upper outer surface layer 1 and the lower outer surface layer 3 are both formed of transparent polymer, at least one surface of the textile fabric 21 contained in the intermediate layer 2 has an artistic pattern, and the hot-pressing adhesive is a light-transmitting polymer. , The obtained composite material has multiple functions such as high light transmittance, artistic decoration, lightness, and high strength, and the processing is simple and convenient, and various complicated artistic patterns can be realized without complicated coating processes. It is not only decorative The effect is obvious, and energy saving and environmental protection.

[0037] As a preferred solution, one surface of the textile fabric 21 contained in the intermediate layer 2 has an artistic pattern, and the other surface is subjected to a vacuum coating functionalization treatment; the vacuum coating functionalization treatment refers to the use of vacuum coating surface treatment technology The surface of the textile fabric obtains a functional film layer such as metallic color and ceramic texture. By performing vacuum coating surface treatment on the surface of textile fabrics, the obtained composite material can not only have the decorativeness of artistic patterns, but also have metallic color, ceramic texture and further increase the strength, making it more suitable for manufacturing large household appliances panels, Decorative products such as ceilings, wardrobes, kitchen cabinet doors, artistic lamp covers, etc.

[0038] The film material can be TiO 2 , TiC, TiCN, TiN, TiAlN, ZrN, AlN, CrN, CrC, TiCxNy, TiOxNy, Ag, Cu, Al 2 O 3 , Aluminum titanium alloy, VO 2 , Ta 2 O 5 , SiO 2 Any one or more of, ZrO, ZnS. The color and reflectivity of the film can be adjusted by selecting the composition of the film material. The vacuum coating functionalization process adopts vacuum magnetron sputtering coating process, and the parameters for vacuum magnetron sputtering coating process are as follows: there are 1-12 vacuum chambers, and the magnetron sputtering target in each vacuum chamber is 1~ 3, auxiliary enhanced ion source is 1-2; the auxiliary enhanced ion source is pure N 2 Or O 2 , Using Ar as the sputtering gas, the flow ratio of the sputtering gas to the auxiliary enhancing ion gas is 1:3; the vacuum degree in the reaction chamber is 2×10 -3 Pa, sputtering power is 1800-2600W, gas pressure is 1.0-2.0 Pa, and substrate temperature is 80-120°C.

[0039] The artistic pattern is formed by weaving or/and printing and dyeing process. The textile fabric 21 is processed by weaving, knitting or non-woven processes of non-metal fibers, and the non-metal fibers are glass fibers, basalt fibers, carbon fibers or chemical synthetic fibers. The weight of the textile fabric 21 is 5g/m 2 ~800g/m 2 , The width of the door width is 300mm~2400mm.

[0040] As a preferred solution, the intermediate layer 2 also includes at least one optical film 22 (such as figure 2 As shown), the light reflectance of the optical film is 10%-60%, the light transmittance is 5%-45%, the total solar energy blocking rate is 55%-78%, and the ultraviolet light blocking rate is ≥99%. By arranging at least one optical film 22 in the middle layer 2, the obtained composite material can have optical properties at the same time, which can cut off ultraviolet and infrared light, and is suitable for manufacturing outdoor high-transmittance light-shading products, sun rooms, and buildings. Products such as exterior walls.

[0041] As a preferred solution, the intermediate layer 2 also includes at least one layer of filaments 23 (such as image 3 Shown), in order to improve the tensile strength of composite materials and realize the function of shielding electromagnetic wave radiation, making it more suitable for manufacturing large-span, large-scale building sun-shading and lighting products without guide rails.

[0042] The diameter of the thin wire is 2 μm to 200 μm; the thin wire is a metal wire or/and a non-metal wire; the metal wire is selected from metal or metal alloy wires such as copper-plated iron wire, copper wire, and stainless steel wire; The metal wire is selected from glass fiber, basalt fiber, carbon fiber, chemical fiber, conductive fiber, etc.; the chemical fiber is selected from polyester, nylon, viscose, polypropylene, etc.; the conductive fiber is right Chemical fiber filaments are conductively modified; the filament layer is formed by filaments arranged in parallel or/and crossed at equal intervals or/and non-equal intervals.

Example Embodiment

[0043] Example 1

[0044] The composition of the composite material prepared in this embodiment is as follows:

[0045] ①The upper and lower outer surface layers are made of transparent polycarbonate (PC) board with a size of 2000mm×2200mm×3.0mm;

[0046] ②The middle layer is made of high-density three-dimensional carbon fiber cloth. One surface has small diagonal squares, and the other surface is coated by vacuum magnetron sputtering. The film material composition is titanium nitride + metallic silver + aluminum titanium alloy, and the film thickness is 100μm, reflectivity of 80%;

[0047] ③The thickness of EVA hot melt adhesive film is controlled at 25μm.

[0048] The preparation of the composite material includes the following steps:

[0049] 1. Vacuum magnetron sputtering coating on the surface of textile fabric

[0050] The high-density three-dimensional carbon fiber cloth is used as the substrate, and it is smoothly and continuously entered into the No. 1 reaction chamber of the magnetron sputtering coating machine with a single-chamber three-coating zone through a set of tension control guide rollers, and the deposition surface is placed downward to prevent granularities. Contamination of the substrate surface by impurities; vacuum the reaction chamber to 2×10 -3 Pa, using Ar as the sputtering gas and pure N2 as the auxiliary ion-enhancing gas input into the reaction chamber, the sputtering/reaction enhancing gas flow ratio is Ar:N 2 =1:3, the gas pressure is 1.0Pa, the sputtering power is 2000W, the substrate temperature is 120°C, and TiN/Ag is deposited and grown.

[0051] After the first group of TiN/Ag film is completed in the vacuum coating area, enter the second vacuum coating area, and then use Ar as the sputtering gas and pure O 2 As auxiliary ion-enhancing gas input into the reaction chamber, the flow ratio of sputtering/reaction-enhancing gas is Ar:O 2 =1:3, the gas pressure is 1.0 Pa, the sputtering power is 2600 W, and the substrate temperature is 80° C., the aluminum-titanium alloy is deposited and grown.

[0052] The film thickness is determined by the growth time, the film thickness is monitored in real time by the oscillation method, and accurately measured with an ellipsometer.

[0053] Second, perform thermal lamination

[0054] Place a 3.0mm thick polycarbonate sheet, EVA hot melt adhesive film, high-density three-dimensional carbon fiber cloth after vacuum magnetron sputtering coating treatment, and EVA hot melt on the auxiliary working platform of the vacuum thermal laminator according to the laminated structure. Adhesive film, 3.0mm thick polycarbonate sheet, move the above-mentioned laminated sheet to the vacuum thermal laminator platform for thermal lamination. After cooling, it will be highly reflective, high-strength, impact-resistant and decorative Multifunctional composite materials, which can be used to make handheld explosion-proof shields, partition boards for public safety, sports protection products, etc.

Example Embodiment

[0055] Example 2

[0056] The composition of the composite material prepared in this embodiment is as follows:

[0057] ①The upper outer surface layer adopts a transparent polycarbonate (PC) board with a size of 2000mm×2200mm×3.0mm, and the lower outer surface layer adopts a transparent polycarbonate (PC) board with a size of 2000mm×2200mm×1.5mm;

[0058] ②The middle layer is made of high-density glass fiber cloth, one surface has small diagonal squares, and the other surface is coated by vacuum magnetron sputtering. The film material is composed of titanium nitride + metallic silver + titanium carbide nitride.

[0059] ③The thickness of EVA hot melt adhesive film is controlled at 5μm.

[0060] The preparation of the composite material includes the following steps:

[0061] 1. Vacuum magnetron sputtering coating on the surface of textile fabric

[0062] Using high-density glass fiber cloth as the substrate, through a set of tension control guide rollers, it enters the single-chamber three-coating zone magnetron sputtering coating machine's No. 1 reaction chamber smoothly and continuously, with the deposition surface facing down to prevent particle formation Contamination of the substrate surface by impurities; vacuum the reaction chamber to 2×10 -3 Pa, with Ar as sputtering gas and pure N 2 As an auxiliary ion-enhancing gas input into the reaction chamber, the flow rate ratio of sputtering/reaction-enhancing gas is Ar:N 2 =1:3, the gas pressure is 1.0Pa, the sputtering power is 2000W, the substrate temperature is 120°C, and TiN/Ag is deposited and grown.

[0063] After the first group of TiN/Ag film is completed in the vacuum coating area, enter the second vacuum coating area, and then use Ar as the sputtering gas and pure O 2 As auxiliary ion-enhancing gas input into the reaction chamber, the flow ratio of sputtering/reaction-enhancing gas is Ar:O 2 =1:3, the gas pressure is 1.0 Pa, the sputtering power is 2600 W, and the substrate temperature is 80° C., for deposition and growth of titanium carbide nitride.

[0064] The film thickness is determined by the growth time, the film thickness is monitored in real time by the oscillation method, and accurately measured with an ellipsometer.

[0065] Second, perform thermal lamination

[0066] Place 1.5mm thick polycarbonate sheet, EVA hot melt adhesive film, high-density glass fiber cloth after vacuum magnetron sputtering coating treatment, and EVA hot melt on the auxiliary working platform of the vacuum thermal laminator according to the laminated structure. Adhesive film, 3.0mm thick polycarbonate sheet, move the above laminated sheet to the vacuum thermal laminator platform for thermal lamination, and after cooling, a multifunctional composite material with high strength, lightness and decoration is obtained , Can be used to make box materials and sports protection products for light trolley cases.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine

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PUM

Property	Measurement	Unit
Weight	5.0 ~ 800.0	g/m²
Diameter	2.0 ~ 200.0	µm
Thickness	25.0	µm
tensile		MPa
Particle size		Pa
strength	10

Description & Claims & Application Information

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the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine

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Classification and recommendation of technical efficacy words

Strong impact resistance
Improve light transmission

Multifunctional composite material and application thereof

A composite material and multi-functional technology, applied in special decorative structures, synthetic resin layered products, decorative arts, etc., to achieve strong impact resistance and high light transmittance

AI-Extracted Technical Summary

Problems solved by technology

Method used

Abstract

Image

Examples

Example Embodiment

Example Embodiment

Example Embodiment

PUM

Description & Claims & Application Information

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