Method of applying high temperature-resistant buffer materials in glass cloth welding cloth
A cushioning material and high-temperature-resistant technology, which is applied in chemical instruments and methods, layered products, lamination devices, etc., can solve problems such as difficult to clean, a lot of time spent cleaning the welding rod after stopping the machine, and affecting the use of plates, etc., to achieve simple operation Effect
Active Publication Date: 2013-02-06
GUANGDONG SHENGYI SCI TECH
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Problems solved by technology
The black carbide is extremely difficult to clean, and will slowly be brought to the top of each roller or even into the glue tank along with the cloth opening, and as the glue adheres, black spots will appear on the adhesive sheet after gluing, which will affect the use of the board
The silica gel needs to be replaced regularly, and the welding cloth stick needs to be shut down regularly for cleaning, but it cannot be cleaned thoroughly. At the same time, it takes a lot of time to clean the welding cloth stick after shutting down, which affects production capacity
Method used
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[0026] In order to further illustrate the technical means adopted by the present invention and its effects, the following describes in detail in conjunction with preferred embodiments of the present invention and accompanying drawings.
[0027] see figure 1 and figure 2 , the invention provides a method for applying high temperature resistant buffer material in glass cloth welding cloth, comprising the following steps:
[0028] Step 1. Provide glass cloth 20, welding cloth rod 27, thermal tape 25, high temperature resistant buffer material 22 and support table 28;
[0029] The high-temperature-resistant buffer material 22 is made of polytetrafluoroethylene, and is subjected to a certain surface treatment to achieve a smooth surface, so as to ensure that the glue carbon remaining on the surface of the heat-sensitive adhesive tape 25 can be quickly removed after high temperature. The high-temperature-resistant buffer material 22 has certain buffer properties to ensure the hea...
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Abstract
The invention provides a method of applying high temperature-resistant buffer materials in glass cloth welding cloth, which comprises the following steps: step 1, providing the glass cloth, a welding cloth rod, a heat-sensitive adhesive tape, the high temperature-resistant buffer materials and a supporting table; step 2, putting a first high temperature-resistant buffer material layer on the supporting table, putting the first glass cloth to be connected with the welding cloth on the first high temperature-resistant buffer material layer, putting the heat-sensitive adhesive tape on the first glass cloth, putting the second glass cloth to be connected with the welding cloth on the heat-sensitive adhesive tape and putting a second high temperature-resistant buffer material layer on the second glass cloth; step 3, heating the welding cloth rod to the required temperature and putting the welding cloth rod on the second high temperature-resistant buffer material layer; and step 4, taking away the welding cloth rod after the first glass cloth is bonded with the second glass cloth, and cleaning residual black carbide on the first high temperature-resistant buffer material layer and the second high temperature-resistant buffer material layer after the heat-sensitive adhesive tape is heated at a high temperature.
Description
technical field [0001] The invention relates to the technical field of electronic materials, in particular to a method for applying a high-temperature-resistant buffer material to glass cloth welding cloth. Background technique [0002] The production process of the prepreg used in copper clad laminate (CCL) is made by impregnating glass cloth with glue and then baking. This process is completed by the glue machine. In order to ensure the production efficiency, the glue machine equipment is 24 hours a day Continuous production, so all raw materials need to ensure continuous supply. Since the glass cloth supplied by the glass cloth manufacturer is rolled one by one, in order to meet the continuous production of the gluing machine equipment, the glass cloth needs to be spliced online during the production process. The equipment used to connect the glass cloth is a welding cloth rod. The thermal tape is heated by the welding cloth rod to melt and bond the glass cloth. The ot...
Claims
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Login to View More IPC IPC(8): B32B37/06B32B37/12
Inventor 余德光黄灿陈虎刘文龙
Owner GUANGDONG SHENGYI SCI TECH