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Reflective material mold with flat-top microprism array and preparation method thereof

A technology of reflective materials and microprisms, applied in optics, home appliances, optical components, etc., can solve the problems of cumbersome preparation process, and achieve the effect of easy separation of film molds, improvement of large-angle retroreflection coefficient, and maintaining integrity

Active Publication Date: 2022-01-04
福建跃发光新材料股份有限公司
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  • Application Information

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Problems solved by technology

[0009] The present application provides a reflective material mold with a flat-top microprism array and its preparation method, which solves the problem of changing different V-shaped cutters in different planing directions or alternately planing in different directions when preparing a mold in the prior art. , which in turn leads to technical problems in the cumbersome preparation process

Method used

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  • Reflective material mold with flat-top microprism array and preparation method thereof
  • Reflective material mold with flat-top microprism array and preparation method thereof
  • Reflective material mold with flat-top microprism array and preparation method thereof

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Embodiment Construction

[0042] In order to better understand the above technical solution, the above technical scheme will be described in detail below in conjunction with the specification and specific embodiments.

[0043] A method of preparing a flat-top positive angle microprism reflective material mold including the following steps:

[0044] Step (1): Calculate the planing distance, first design the flat-top microfiroscope unit, and then calculate the data of the unit flat microprism based on the steeled microfiber unit.

[0045] Please refer to figure 1 The angle of the positive angle pyramid bottom is 60 °, that is, ∠A = ∠B = ∠C = 60 °, the triangle of the positive angle pyramid bottom is the equilateral triangle, and its side length is L, high is D; The triangle of the side of the corner prism side is the equal waist lineage triangle, which is long as L · SIN45 °; the height of the pointed positive angle pyramid is h. The sidelines of the top triangle of the top of the pan l The height of the fla...

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Abstract

The invention discloses a reflective material mold with a flat-top microprism array and a preparation method thereof. The reflective material mold is formed by a unit flat-top microprism array, and the side surfaces of the unit flat-top microprisms are quadrangular. The present invention uses a V-shaped knife to plan a fine V-shaped groove in the first direction, and then enters the next planing direction to plan a fine V-shaped groove after the first direction is completely planed. The structure has the same unit planar The reflective material mold of the top microprism array; this preparation method not only reduces the number of planing times, improves the mold production efficiency, and reduces the difficulty of planing, but also produces a flat top microprism array reflective material that meets the large-angle incidence and observation conditions. Maintaining the superior characteristics of high retroreflection coefficient helps to improve the visibility of reflective signage in large viewing angle range, especially on high-speed entrance and exit ramps, interchange curve guide roads and other road sections with large visual blind spots, and improves the safe driving factor .

Description

Technical field [0001] The present invention relates to the field of reflective materials, and more particularly to a reflective material mold having a flat-top microprism array and a preparation method thereof. Background technique [0002] The prism technology in the reflective material industry includes a full prism and a large angular microprism reflective film. Among them, the full prism is a modification of the three-priced tapered angle by removing the non-reflective portion of the three corners of the tri-printed cone or the full prism leader structure. Pyramid; existing methods for preparing a full prism, is to complete the full prism unit hindle assembly or structure, from retaining the tap integrity and the consistency, and the preparation is extremely difficult to prepare the toroidal integrity and consistency. [0003] The existing cubic tape is to form a pyramid having three four-side side surfaces by constructing a mold injection molded or assembled microcrystallin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C33/38B29C33/42G02B5/122B29L11/00
CPCB29C33/3842B29C33/3835B29C33/42G02B5/122B29L2011/00
Inventor 黄志鹏梁桂德杨光朱庆金段明辉刘凯许明旗
Owner 福建跃发光新材料股份有限公司
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