Method for regulating and controlling transmittance of chrysotile nano-fiber films by gap filling

利用空隙充填调控纤蛇纹石纳米纤维薄膜透光度的方法

Abstract

The invention relates to a chrysotile nano-fiber film, in particular to a method for regulating and controlling transmittance of chrysotile nano-fiber films by gap filling. The method comprises the following steps: firstly, respectively soaking a plurality of chrysotile nano-fiber films in liquid solidifiable resins with different refractive indexes; after air in gaps of all the chrysotile nano-fiber films is discharged completely and the gaps are fully filled with the resin, taking out the chrysotile nano-fiber films; then removing residual resins on the surfaces of the chrysotile nano-fiber films; and finally solidifying to obtain the chrysotile nano-fiber films with different transmittances. The solidifiable resins with relatively high refractive indexes replace the air in the chrysotile nano-fiber films, namely, the resins with the different refractive indexes are used for filling the gaps among the chrysotile nano-fiber films, so that the Rayleigh scattering effect of an interface to visible light is reduced inordinately, and the purpose of improving, regulating and controlling the transmittance of the chrysotile nano-fiber films is achieved.
本发明涉及纤蛇纹石纳米纤维薄膜,具体说是利用空隙充填调控纤蛇纹石纳米纤维薄膜透光度的方法,其首先将数块纤蛇纹石纳米纤维薄膜分别浸渍于不同折射率的液态可固化树脂中,待每一块所述纤蛇纹石纳米纤维薄膜空隙中的空气全部排出,且空隙被上述树脂全部填充后,取出各块纤蛇纹石纳米纤维薄膜,然后将其表面多余的树脂除去,最后进行固化,得到透光度不同的纤蛇纹石纳米纤维薄膜。本发明采用折射率较高的可固化树脂对纤蛇纹石纳米纤维薄膜空隙中的空气进行取代,也就是用不同折射率的树脂来填充纤蛇纹石纳米纤维薄膜的纳米纤维之间的空隙,从而不同程度地降低界面对可见光的瑞利散射作用,达到提高并调控纤蛇纹石纳米纤维薄膜透光度的目的。

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