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Fiber-toughened molded composite material, preparation method thereof and degradable meal box

A composite material and fiber toughening technology, applied in the coating and other directions, can solve the problems of unsatisfactory dispersion uniformity, low polymer polymer, poor performance, etc., to achieve good strength and toughness, excellent toughness, and improved bonding performance. Effect

Active Publication Date: 2021-11-09
宁波昌亚新材料科技股份有限公司
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, such materials still have the following technical problems to be solved urgently: the surface energy of fiber reinforced materials and / or inorganic fillers is high, while the surface energy of polymers is relatively low, so fiber reinforced materials and / or inorganic fillers The uniformity of dispersion in the resin material is not ideal
As a result, such materials are prone to problems of poor performance and layered segregation

Method used

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  • Fiber-toughened molded composite material, preparation method thereof and degradable meal box

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Embodiment Construction

[0032] Embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are only for explaining the present application, and should not be construed as limiting the present application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0033] The embodiment of the present application provides a method for preparing a fiber-toughened molding composite material, and the method includes the following steps S100 to S500.

[0034] S100. Prepare first resin powder, second resin powder, third resin powder, aramid fiber and glass fiber respectively.

[...

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Abstract

The invention discloses a fiber-toughened molded composite material, a preparation method thereof and a degradable meal box. The preparation method of the fiber-toughened molded composite material comprises the following steps of: S100, respectively preparing first resin powder, second resin powder, third resin powder, aramid fibers and glass fibers; S200, spraying the heated and pressurized first resin powder to the surfaces of the moving aramid fibers to obtain modified aramid fibers; S300, spraying heated and pressurized second resin powder to the surface of the moving glass fiber to obtain modified glass fiber; S400, jointly feeding the modified aramid fibers and the modified glass fibers into doubling and twisting equipment to be blended and woven so as to obtain toughened fibers; and S500, guiding toughening fibers into a mold, filling the third resin powder into the mold, and heating and pressurizing the materials in the mold to obtain the formed composite material. The molded composite material provided by the preparation method of the fiber-toughened molded composite material is higher in mechanical strength and better in stability.

Description

technical field [0001] The application belongs to the technical field of plastic profile processing, especially the technical field of molding composite materials containing reinforcing materials and fillers, and specifically relates to a fiber-toughened molding composite material, a preparation method thereof, and a degradable lunch box. Background technique [0002] In recent years, plastic products containing fiber-reinforced materials and / or inorganic fillers and polymers have been more and more widely used. For example, such plastic products can be used in many fields such as daily necessities, catering processing, medical products, and industrial packaging components. [0003] However, such materials still have the following technical problems to be solved urgently: the surface energy of fiber reinforced materials and / or inorganic fillers is high, while the surface energy of polymers is relatively low, so fiber reinforced materials and / or inorganic fillers The uniform...

Claims

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Application Information

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IPC IPC(8): B29C70/42B29B9/12B29B15/12B29B15/14C08L67/02C08L61/16C08L25/06C08L77/10C08K9/06C08K7/14
Inventor 徐建海王美兰
Owner 宁波昌亚新材料科技股份有限公司
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