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Novel explosion-proof membrane and preparation method thereof

An explosion-proof film, a new type of technology, applied in the direction of adhesive type, film/sheet release liner, film/sheet adhesive, etc., can solve the problem of low aging resistance of the adhesive layer, unsatisfactory light transmission performance, The hardened layer is not resistant to scratches, etc., to achieve simple structure, significant heat insulation effect, and improved heat dissipation and reflection effects

Active Publication Date: 2021-04-02
DONGGUAN DINGLI FILM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The anti-aging performance of the adhesive layer of this utility model is relatively low, the hardened layer is not scratch-resistant, and the light transmission performance is not ideal

Method used

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  • Novel explosion-proof membrane and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1: see figure 1 , the embodiment of the present invention provides a new type of explosion-proof film, which includes a scratch-proof layer 1, a light-shielding and heat-dissipating layer 2, an adhesion layer 3, a substrate layer 4, a high-transparency anti-aging adhesive layer 5, and a release layer 6. The scraping layer 1, the light-shielding heat dissipation layer 2, the adhesion layer 3, the substrate layer 4, the highly transparent anti-aging adhesive layer 5 and the release layer 6 are stacked sequentially from top to bottom.

[0028] Wherein the substrate layer 4 is preferably a highly transparent PET film, BOPP film or TPU film with a thickness of 25-50um; the tensile strength is 260-310Mpa, the elongation at break is 160-210%, and the heat shrinkage rate: 0.09- 0.11%, crystallinity: 80-87%, light transmittance: 91-93%. The substrate layer 4 is made of high-transmittance PET film, BOPP film or TPU film with a light transmittance of 91-93%, reaching t...

Embodiment 2

[0036] Embodiment 2: A new type of explosion-proof membrane and its preparation method provided in this embodiment are basically consistent with Embodiment 1, the difference is that:

[0037] The components of the light-shielding and heat-dissipating layer 2 are as follows in parts by weight: 10 parts of nano-magnesia; 5 parts of nano-silver particles; 220 parts of graphene ultra-thin sheet. (1) Take the graphene ultra-thin sheet and place it on the unwinding reel, pass through the oven through the driving roller, and set the temperature from the entrance to the exit of the four ovens at 180°C, 258°C, 298°C, and 250°C, and set the driving speed at 55m / min; the length of each oven is 8m; (2) Through the high hydraulic nozzle, the nano-magnesia and nano-silver particles are evenly sprayed on the surface of the graphene ultra-thin sheet, and the thickness of the sprayed on the surface of the graphene ultra-thin sheet is 1.1 um, the high-hydraulic nozzles are set on the top and b...

Embodiment 3

[0039] Embodiment 3: A new type of explosion-proof membrane and its preparation method provided in this embodiment are basically the same as in Embodiment 1, the differences are:

[0040] The components of the light-shielding and heat-dissipating layer 2 are as follows: 20 parts of nano-magnesium oxide; 15 parts of nano-silver particles; 180 parts of graphene ultra-thin sheet.

[0041] The composition of the highly transparent anti-aging adhesive layer 5 is as follows: 350 parts of adhesive main material; 880 parts of solvent; 80 parts of anti-aging agent; 100 parts of dispersant; 25 parts of hardener.

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Abstract

The invention discloses a novel explosion-proof membrane and a preparation method thereof. The novel explosion-proof membrane comprises a scratch-proof layer, a light-shielding heat dissipation layer,an adhesion layer, a base material layer, a high-transmittance anti-ageing adhesive layer and a release layer; and the scratch-proof layer, the light-shielding heat dissipation layer, the adhesion layer, the base material layer, the high-transmittance anti-ageing adhesive layer and the release layer are sequentially overlaid according to a sequence from top to bottom. The base material layer of the novel explosion-proof membrane is high in crystallinity and high in repairability, reaches high scratch resistance, is low in heat shrinkage and cannot be shrunk and wrinkled due to heating in theusing process; the light-shielding heat dissipation layer can effectively promote heat dissipation and reflection effects, is superior in reflection performance, efficiently reflects and blocks infrared rays in solar rays, is obvious in heat insulation effect and higher in hardness and effectively protects the base material layer; and the high-transmittance anti-ageing adhesive layer can effectively prevent transmittance damage of ultraviolet rays, ensures health of human bodies and meanwhile, and has heat insulation and dissipation functions, so that active viscidity of the adhesive layer isprolonged, performance and the service life of the product are greatly improved and ensured, and the novel explosion-proof membrane is good in comprehensive performance and beneficial to wide popularization.

Description

technical field [0001] The invention relates to the technical field of explosion-proof membranes, in particular to a novel explosion-proof membrane and a preparation method thereof. Background technique [0002] The explosion-proof film is a layer of composite film installed on the smart electronic display screen or the front windshield of the car. This composite film has extremely high requirements on heat insulation performance, UV resistance and scratch resistance. With the rapid development of the mechanical and electronic industries such as automobiles and mobile phones, related industries are also booming. Whether it is the mobile phone screen or the glass of the car, the explosion-proof film inside the screen needs to be pasted on the inner surface of the glass cover to achieve the protection effect. . In the 21st century, with the advancement of automobiles and other high-end electronic products, consumers have higher and higher requirements for explosion-proof memb...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J7/29C09J7/40C09J175/14C09J133/10C09J163/10
CPCC09J133/10C09J163/10C09J175/14C09J7/29C09J7/40C09J2301/122C09J2301/16C09J2301/30
Inventor 邓浩鹏
Owner DONGGUAN DINGLI FILM TECH