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Metal-polymer composite material as well as preparation method and application thereof

A technology of polymer materials and composite materials, which is applied in the field of metal-polymer composite materials and their preparation, can solve problems such as time-consuming, high equipment investment costs, and complicated manufacturing processes, so as to improve content and uniformity, meet application requirements, The effect of improving the binding force

Pending Publication Date: 2021-03-26
SHENZHEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, Japanese patent JP2006-272743 uses a high-temperature roller press to laminate copper foil and LCP film to form a copper-clad laminate; The technology of making copper-clad laminates by covering the surface of copper foil with laminated plates; patent 201611066833.1 discloses the technology of using a five-axis high-temperature press to laminate LCP and copper foil to prepare copper-clad laminates; patent 201210431513.9 first prepared LCP / glass fiber cloth / LCP bonding unit, and then the copper foil / bonding unit / copper foil is made into a copper clad laminate by hot pressing; the process of preparing a copper clad laminate by pressing is cumbersome and time-consuming, and the polymer is usually pre-prepared by extrusion film, resulting in the thickness of the prepared polymer film is difficult to be very thin
Patent 201910014057.X discloses a technology of coating liquid crystal polymers on the surface of copper foil, and then baking and annealing to prepare copper clad laminates. This method also has problems such as complicated manufacturing process and high equipment investment cost.
Patent 201210228020.5 discloses a technology of coating metal on the surface of organic polymer film by ion beam sputtering; patent CN1550124A uses metal electroless plating or vacuum deposition to deposit copper on liquid crystal polymer substrates to prepare copper clad laminates. Realize large area preparation

Method used

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  • Metal-polymer composite material as well as preparation method and application thereof
  • Metal-polymer composite material as well as preparation method and application thereof
  • Metal-polymer composite material as well as preparation method and application thereof

Examples

Experimental program
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preparation example Construction

[0059] see figure 1 , a flow chart of a method for preparing a metal-polymer composite material provided by an embodiment of the present invention, including the following steps:

[0060]Step S101: Provide metal materials and polymer materials, prepare the polymer materials into spinning solutions, use the metal materials as spinning receiving substrates for spinning, and form polymer fiber non-woven fabrics on the surface of the metal materials .

[0061] In the embodiment of the present invention, the material of the metal material includes at least one of copper, aluminum, iron, silver, palladium, nickel, chromium, molybdenum, tungsten, zinc, manganese, cobalt, gold, tin, lead and stainless steel. Further, the material of the metal material includes at least one of copper, aluminum, iron, nickel, zinc, manganese, tin, lead and stainless steel.

[0062] In an embodiment of the present invention, the thickness of the metal material is 5 μm-100 μm. Optionally, the thickness...

Embodiment 1

[0096] A kind of preparation method of metal-polymer composite material

[0097] The liquid crystal polymer is poured into the spinning machine, and the temperature is kept at 330° C. to melt and blend to form a spinning solution.

[0098] Copper foil with a thickness of 10 μm is provided, and the surface of the copper foil is roughened and anti-oxidized, and is ready for use.

[0099]Put the treated copper foil on the conveyor belt and directly use it as the receiving substrate for spinning. The spinning solution is melt-blown into a polymer fiber non-woven fabric and attached to the surface of the copper foil to form a polymer fiber non-woven fabric. / metal composite material; spinning parameters are: melt-blown spinning temperature is 300 ° C, hot air temperature is 320 ° C, air pressure is 0.2 MPa, the vertical distance between the receiving substrate and the spinneret is 300 mm, and the injection rate is 20 μl / min, the moving speed of the copper foil conveyor belt is 1...

Embodiment 2

[0102] A kind of preparation method of metal-polymer composite material

[0103] Prepare the spinning solution according to the following mass content ratio:

[0104]

[0105]

[0106] Copper foil with a thickness of 12 μm is provided, and the surface of the copper foil is sanded, cleaned, dried, and plasma treated for later use.

[0107] Place the treated copper foil on the conveyor belt and directly use it as the receiving substrate for spinning. Electrospin the spinning solution through the solution to make a polymer fiber non-woven fabric and attach it to the surface of the copper foil to form a polymer fiber non-woven fabric. / metal composite material; the spinning parameters are: the vertical distance between the receiving substrate and the spinneret is 200mm, the voltage is 20KV, the injection rate is 5μl / min, and the moving speed of the copper foil conveyor belt is 1mm / s.

[0108] After drying the polymer fiber non-woven fabric / metal composite material, it is t...

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Abstract

The invention provides a preparation method of a metal- polymer composite material, which comprises the steps of providing a metal material and a polymer material, preparing the polymer material intoa spinning solution, and spinning by using the metal material as a spinning receiving substrate to form a polymer fiber non-woven fabric on the surface of the metal material; laminating the polymer fiber non-woven fabric and the metal material so as to enable the polymer fiber non-woven fabric to form a compact polymer material layer, and obtaining the metal-polymer composite material, wherein thelaminating temperature is higher than the thermal deformation temperature of the polymer fiber non-woven fabric. According to the preparation process, large-area preparation of the ultrathin high polymer material layer can be realized, and the high polymer material layer is a non-porous compact film and has strong binding force with the metal material; the prepared metal polymer-composite material is excellent in performance and can meet the requirements of a new technology and a new scene; and meanwhile, the process can be used for preparing multifunctional metal-polymer composite materialsso as to expand the application range of the metal-polymer composite materials.

Description

technical field [0001] The invention relates to the technical field of composite materials, in particular to a metal-polymer composite material and its preparation method and application. Background technique [0002] With the rapid development of the electronic information industry, the PCB market, electromagnetic shielding and heat conduction devices and related industries will usher in new growth points. Polymer materials have the advantages of good flexibility, good insulation, light weight, and low cost. Metal materials have the advantages of high hardness, good conductivity, and good electromagnetic shielding effect. Combining the two can prepare a variety of high-performance electronic materials, Electromagnetic shielding materials and thermally conductive materials. With the continuous advancement of new technologies in the electronic information industry, various new scenarios will put forward higher and higher requirements for the performance and production proces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/02B32B15/02B32B15/08B32B15/082B32B15/085B32B15/088B32B15/09B32B15/14B32B15/18B32B15/20B32B33/00B32B27/20B32B37/06B32B37/10H05K3/02
CPCB32B15/14B32B15/02B32B5/022B32B37/06B32B37/10B32B15/20B32B15/18B32B15/08B32B15/082B32B15/085B32B15/09B32B15/088B32B33/00B32B27/20H05K3/022B32B2262/103B32B2262/02B32B2457/08
Inventor 朱才镇朱唐雷蕾王明良余振强徐坚
Owner SHENZHEN UNIV
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