Composite thermal insulation component and preparation method thereof
A component and heat storage technology, applied in chemical instruments and methods, synthetic resin layered products, coatings, etc., can solve the problems of difficult control of precision, difficult to meet the needs of high-efficiency heat insulation, and difficult to meet the needs of heat insulation and heat preservation. , to achieve the effect of not easy to fall off, reducing the loss of internal heat, and good adsorption.
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[0082] In the second aspect, the present invention provides a method for preparing a composite heat insulating member, which is used for preparing the composite heat insulating member provided in the first aspect of the present invention. The process method provided by the invention is simple, has strong operability, and the heat storage material is not easy to leak. Specifically, the preparation method provided by the invention comprises the following steps:
[0083] (1) Apply adhesive on the inner side of the outer skin, paste the silica gel film on the inner side of the outer skin, then apply adhesive on the silica gel film, apply fumed silica on the silica gel film, and cure to obtain a skin;
[0084] (2) Apply an adhesive on the silica gel film coated with fumed silica, press the heat storage material onto the skin, solidify and form it, and obtain a heat storage layer;
[0085] (3) Apply an adhesive on the surface of the heat storage layer, and spread the high-emissivit...
Embodiment 1
[0092] The composite thermal insulation member provided in embodiment 1 comprises in turn:
[0093] Skin: the skin includes an outer skin and a silicone film layer pasted on the inside of the outer skin; wherein, the silicone film layer is coated with fumed silicon dioxide on the side away from the outer skin;
[0094] heat storage layer;
[0095] high emissivity layer; and
[0096] Insulation layer.
[0097] Such as figure 1 Shown, preparation method comprises the steps:
[0098] S1. Skin preparation
[0099] S11. Preparation of organosilica gel membrane
[0100] Add silicone adhesive and silicone adhesive curing agent into the container, the mass ratio of the two is 100:3, and mix well. Evenly fill the mixed material into a mold with a thickness not greater than 0.5mm, perform vacuum treatment to drive out the air bubbles, then fill and smooth, vacuumize, repeat filling with mixed material-vacuumize 3 times, and cure at room temperature for 50 hours Release the mold t...
Embodiment 2 to Embodiment 18
[0116] The preparation methods of Example 2 and Example 18 are basically the same as Example 1, and the differences are shown in Table 1 to Table 3.
[0117] The technological conditions when each embodiment of table 1 prepares heat storage layer
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[0120] The processing conditions when each embodiment of table 2 prepares high emissivity layer
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[0123] The processing conditions when each embodiment of table 3 prepares the heat-insulating layer
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Abstract
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