Method for realizing sealing composite technology of reflective film raised structure
A composite technology and a reflective film technology, which are applied in the field of sealing and protective composite technology to realize the raised structure of reflective film, can solve the problems of forming dark lines and the inability to form retroreflection at the edge of cell spacing.
Inactive Publication Date: 2012-12-26
鲁毅
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Problems solved by technology
The existing protruding structure sealing technology is to use cell interval sealing, that is, the protruding structure on the reflective film is divided into partitions with a protective film. This composite sealing method relies on the adhesion of the cell interval edge to the entire protruding structure. The protruding structure layer and the protective layer are bonded and recombined. This composite technology causes the product to have the following defects: (1) The edge of the cell interval cannot form retroreflection and dark lines when illuminated.
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[0010] Compare figure 1 , its "dark grid and texture" are obvious, refer to figure 2 No "dark grid, texture", recombine image 3 , the present invention relates to a kind of method that realizes the composite technique of encapsulation and protection of the protruding structure of the reflective film, said method comprises the step of preparing materials for the reflective encapsulation base material with pyramid, sphere, cylinder, conical protruding structure as the upper support, Wherein, the body of any of the above-mentioned raised structures is selected as the upper support, and one side of the body is selected as the reflective surface layer, and an adhesive is used to contact one or more raised structures on the reflective surface layer of the body. Permanent bonding to form a sealing layer of the reflective surface layer of the body, the adhesive thickness of the sealing layer is 0.001mm-0.05mm, and it is kept statically at a temperature of 10°C-100°C for 1min-60min,...
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The invention relates to a method for realizing a sealing composite technology of a reflective film raised structure, comprising the material preparation step of a reflective sealing base material which can select raised structures such as pyramids, balls, columns, tapers and polyhedrons as upper supports, wherein selecting the body of any one raised structure as the upper support; selecting one surface of the body as a reflecting surface layer; and bonding one or more than one raised structure of the reflecting surface layer of the body in a contact mode so as to form a sealing layer of the reflecting surface layer of the body. The bonding thickness of the sealing layer is from 0.001 mm to 0.05 mm; the sealing layer is retained in a static state for 1 minute to 6 minutes at the temperature of 10 DEG C to 100 DEG C; then, the sealing layer which is compounded at 0.1MPa to 1MPa is rolled and compounded under the condition that the environment temperature is from 5 DEG C to 40 DEG C; and finally, the sealing layer is retained in the static state for 1 minute to 20 minutes to be solidified at the temperature range of 10 DEG C to 100 DEG C.
Description
technical field [0001] The invention relates to a composite technology for a retroreflective film and a protective layer, in particular to a method for realizing the composite technology of sealing and protecting a convex structure of the reflective film. Background technique [0002] Due to its directional reflection characteristics, the retroreflective film can reflect most of the light irradiated on the film towards the light source. Therefore, it is widely used in the field of traffic police signs, traffic police road cones, and police advertising printing materials. The retroreflective film is generally composed of a reflective convex structure functional layer and a protective layer. The raised structure on the reflective film is in contact with air to form total internal reflection, so that retroreflection can be realized. If the entire raised structure is in contact with the protective layer or water, retroreflection cannot be formed. Therefore, the raised structure...
Claims
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IPC IPC(8): B32B37/12B32B7/12E01F9/015G09F13/16E01F9/619
Inventor 鲁毅
Owner 鲁毅