Method for combining metal and plastic
A plastic and metal technology, applied in the direction of coating, etc., can solve the problems of inappropriateness, inconvenience, lack of high toughness, wear resistance, acid resistance, alkali resistance, etc., to achieve effective treatment and improve practicability
Inactive Publication Date: 2012-07-18
CHENMING MOLD IND CORP
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Problems solved by technology
Since specific ester plastics and specific chemicals trigger a displacement reaction and stick together, this method of changing the intramolecular bonds of plastics through chemical reactions can effectively combine plastics and metals directly, but because only specific ester plastics can be used ester plastic materials, and most of their mechanical properties are brittle and hard, lacking the characteristics of high toughness, wear resistance, acid resistance, and alkali resistance, especially when the ester plastic material is characterized by a thin structure after injection, it is easy to be affected. broken by external force
[0003] This shows that above-mentioned existing metal and the method for combining plastics obviously still have inconvenience and defect in method and use, and urgently need to be further improved
In order to solve the above-mentioned problems, the relevant manufacturers have tried their best to find a solution, but no suitable design has been developed for a long time, and the general method has no suitable method to solve the above-mentioned problems. This is obviously related. The problem that the industry is eager to solve
Method used
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[0045] In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementation, methods, steps, Features and their functions are described in detail below.
[0046] The aforementioned and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of preferred embodiments with reference to the drawings. Through the description of the specific implementation mode, when the technical means and functions adopted by the present invention to achieve the predetermined purpose can be obtained a deeper and more specific understanding, but the accompanying drawings are only for reference and description, and are not used to explain the present invention be restricted. For convenience of description, in the following embodiments, the same elements are denoted by the same numbers.
[0047] see Figure 1 to Figure 3 As show...
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The invention relates to a method for combining metal and plastic, which comprises the following steps of: injecting engineering plastic such as carbonated resin (PC) into a mould; then implanting a metal body in the mould, and fixing the metal body; and finally, injecting an ester plastic material such as polyphenylene sulfide (PPS) into the mould, and combing the polyphenylene sulfide (PPS) with the engineering plastic and the metal body. Therefore, the method adopts the engineering plastic having high toughness, wear resistance and acid-alkali corrosion resistance to improve the durability of traditional nano injection molding plastic structures.
Description
technical field [0001] The invention relates to a method for combining metal and plastic, in particular to a method for combining engineering plastic and metal bodies by using ester plastic materials. Background technique [0002] Currently, there are two known methods of bonding plastics to metals. One is to use quick-drying glue or light-curing resin glue, which is directly fixed with a clamp and then dried to complete the bonding of the plastic structure to the metal substrate. In addition to its complicated and multi-step processing procedures, the chemical stability of the glue and the impact resistance of the joint surface are not good. Another way is called Nano Molding Technology (NMT, Nano Molding Technology), which combines metal and plastic. After the metal substrate is acid-etched to create nano-holes, it is soaked in a specific chemical agent to fill the nano-holes with the chemical agent. , and then direct injection molding of specific ester plastic materials,...
Claims
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IPC IPC(8): B29C45/14B29C45/17B29C33/18B29K55/02B29K27/18B29K23/00B29K77/00B29K69/00B29K67/00B29K71/00B29K705/02B29K705/00
Inventor 李静远何益君
Owner CHENMING MOLD IND CORP