Glass film and preparation method thereof

A glass film and modification technology, which is applied in the production of film/sheet adhesives, adhesives, bulk chemicals, etc., can solve problems affecting GPS satellite navigation system signal reception, signal interference, poor performance, etc. The effect of size controllable, prolonging the service life and improving the bonding fastness

Inactive Publication Date: 2020-02-11
宁波泰意德过滤技术有限公司
9 Cites 2 Cited by

AI-Extracted Technical Summary

Problems solved by technology

In addition, the existing glass film contains a metal layer, which is prone to signal interference to the GPS satellite navigation system in the car or indoors, thereby affecting the signal reception of the GPS satellite navigation system, radio communication and mobile phones.
[0004] Therefore, how to dev...
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Abstract

The invention discloses a glass film, which comprises the following raw materials by weight: 100 parts of a modified PET resin, 1-15 parts of modified master batch, 0.2-1.2 parts of a coupling agent and 1.5-3.5 parts of an additive, wherein the modified master batch is benzimidazoledione compound and modified PET resin coated inorganic oxide solid particles. According to the invention, the glass film has good comprehensive properties of heat insulation, ultraviolet resistance, interference resistance, oxidation resistance, easy maintenance and the like. The invention further discloses a preparation method of the glass film, wherein the comprehensive performance of the glass film is improved, the overall performance of the glass film is uniform, the service life of the glass film is prolonged, and the large-scale application and popularization is well facilitated.

Application Domain

Technology Topic

Examples

  • Experimental program(5)
  • Comparison scheme(5)
  • Effect test(1)

Example Embodiment

[0031] Example 1
[0032] A glass film, the glass film is composed of the following parts by weight of raw materials: 100 parts of modified PET resin, 7 parts of modified masterbatch, 0.8 parts of coupling agent and 2.5 parts of additives; the modified masterbatch is Benzimidazole dione compound and modified PET resin coat inorganic oxide solid particles.
[0033] The modified PET resin is a polyhydroxy cage silsesquioxane modified PET resin.
[0034] The cage silsesquioxane modified PET resin is prepared by adding polyhydroxy cage silsesquioxane to the raw materials of terephthalic acid and ethylene glycol for polycondensation reaction. The added amount of siloxane accounts for 5.5% by mass of the raw material.
[0035] The benzimidazole dione compound is 5-hydroxy-1,2,6-trimethyl-1H-benzimidazole-4,7-dione.
[0036] The inorganic oxide solid particles are titanium dioxide.
[0037] The particle size of the modified masterbatch is 300 nm.
[0038] The coupling agent is composed of silane coupling agent KH-540 and silane coupling agent JH-V171 with a mass ratio of 1:1.
[0039] The additive is composed of polyethylene glycol, sodium silicate, aerogel carbon black and lauryl triethylene glycol ether sulfate sodium salt with a mass ratio of 10:3:0.5:8.
[0040] Correspondingly, a preparation method of the above-mentioned glass film, the preparation method includes the following steps:
[0041] S1: Disperse the benzimidazole dione compound and the modified PET resin in an ethanol aqueous solution, and stir uniformly to form a coating solution for use; the benzimidazole dione compound, the modified PET resin and the ethanol The mass ratio of the aqueous solution is 5:1:100; the concentration of the aqueous ethanol solution is 90% by weight;
[0042] S2: Put the inorganic oxide solid particles in a fluidized state in the fluidized bed reactor, close the inlet and outlet valves of the fluidized bed reactor, and pass in the supercritical carbon dioxide fluid with the coating liquid prepared in step S1, In the supercritical state, stir and mix for 1 min, reduce the outlet pressure, make the benzimidazole dione compound and the modified PET resin coat the surface of the inorganic oxide solid particles, after filtering, washing and drying, the modified masterbatch is obtained ; The critical temperature of the supercritical carbon dioxide fluid is 36 ℃, the critical pressure is 75atm;
[0043] S3: Weigh 7 parts of modified masterbatch prepared in step S2, 0.8 parts of coupling agent, 2.5 parts of additives, and 100 parts of modified PET resin. After stirring and mixing uniformly, a casting liquid is formed, and the casting liquid is injected into the mold In the process, place it in a drying oven at 40° C. to dry for 6 hours, take out, cool, and uncover the film to obtain the glass film.

Example Embodiment

[0044] Example 2
[0045] A glass film, the glass film is composed of the following parts by weight of raw materials: 100 parts of modified PET resin, 4 parts of modified masterbatch, 0.5 parts of coupling agent and 2 parts of additives; the modified masterbatch is Benzimidazole dione compound and modified PET resin coat inorganic oxide solid particles.
[0046] The modified PET resin is a polyhydroxy cage silsesquioxane modified PET resin.
[0047] The cage silsesquioxane-modified PET resin is prepared by adding polyhydroxy cage silsesquioxane to the raw materials of terephthalic acid and ethylene glycol for polycondensation reaction. The amount of siloxane added accounts for 3% by mass of the raw material.
[0048] The benzimidazole dione compound is 2-(hydroxymethyl)-1H-benzimidazole-4,7-dione.
[0049] The inorganic oxide solid particles are silica.
[0050] The particle size of the modified masterbatch is 100 nm.
[0051] The coupling agent is composed of silane coupling agent KH-570 and silane coupling agent JH-M902 with a mass ratio of 1:1.
[0052] The additive is composed of polyethylene glycol, sodium silicate, aerogel carbon black and sodium lauryl triethylene glycol ether sulfate with a mass ratio of 12:5:1.8:14.
[0053] Correspondingly, a preparation method of the above-mentioned glass film, the preparation method includes the following steps:
[0054] S1: Disperse the benzimidazole dione compound and the modified PET resin in an ethanol aqueous solution, and stir uniformly to form a coating solution for use; the benzimidazole dione compound, the modified PET resin and the ethanol The mass ratio of the aqueous solution is 12:5:100; the concentration of the aqueous solution of ethanol is 90% by weight;
[0055] S2: Put the inorganic oxide solid particles in a fluidized state in the fluidized bed reactor, close the inlet and outlet valves of the fluidized bed reactor, and pass in the supercritical carbon dioxide fluid with the coating liquid prepared in step S1, In the supercritical state, stir and mix for 3 minutes, reduce the outlet pressure, so that the benzimidazole dione compound and modified PET resin are coated on the surface of the inorganic oxide solid particles. After filtering, washing and drying, the modified masterbatch is obtained ; The critical temperature of the supercritical carbon dioxide fluid is 36°C, and the critical pressure is 80atm;
[0056] S3: Weigh 4 parts of the modified masterbatch prepared in step S2, 0.5 parts of coupling agent, 2 parts of additives and 100 parts of modified PET resin after stirring and mixing uniformly, forming a casting liquid, and injecting the casting liquid into the mold In the process, placed in a drying oven at 50°C for 8 hours, taken out, cooled, and uncovered to obtain the glass film.

Example Embodiment

[0057] Example 3
[0058] A glass film, the glass film is composed of the following parts by weight of raw materials: 100 parts of modified PET resin, 12 parts of modified masterbatch, 1.0 part of coupling agent and 3 parts of additives; the modified masterbatch is Benzimidazole dione compound and modified PET resin coat inorganic oxide solid particles.
[0059] The modified PET resin is a polyhydroxy cage silsesquioxane modified PET resin.
[0060] The cage silsesquioxane-modified PET resin is prepared by adding polyhydroxy cage silsesquioxane to the raw materials of terephthalic acid and ethylene glycol for polycondensation reaction. The added amount of siloxane accounts for 8% by mass of the raw material.
[0061] The mass ratio of the benzimidazole dione compound is 1:1 5-hydroxy-1,2,6-trimethyl-1H-benzimidazole-4,7-dione and 2-(hydroxymethyl) -1H-benzimidazole-4,7-dione.
[0062] The inorganic oxide solid particles are composed of titanium dioxide and silicon dioxide with a mass ratio of 0.8:1.
[0063] The particle size of the modified masterbatch is 400 nm.
[0064] The coupling agent is composed of silane coupling agent KH-540 and silane coupling agent JH-M902 with a mass ratio of 1:1.
[0065] The additive is composed of polyethylene glycol, sodium silicate, aerogel carbon black and sodium lauryl triethylene glycol ether sulfate with a mass ratio of 15:8:3.5:27.
[0066] Correspondingly, a preparation method of the above-mentioned glass film, the preparation method includes the following steps:
[0067] S1: Disperse the benzimidazole dione compound and the modified PET resin in an ethanol aqueous solution, and stir uniformly to form a coating solution for use; the benzimidazole dione compound, the modified PET resin and the ethanol The mass ratio of the aqueous solution is 25:8:100; the concentration of the aqueous ethanol solution is 90% by weight;
[0068] S2: Put the inorganic oxide solid particles in a fluidized state in the fluidized bed reactor, close the inlet and outlet valves of the fluidized bed reactor, and pass in the supercritical carbon dioxide fluid with the coating liquid prepared in step S1, In the supercritical state, stir and mix for 6 minutes, reduce the outlet pressure, so that the benzimidazole dione compound and modified PET resin are coated on the surface of the inorganic oxide solid particles. After filtering, washing and drying, the modified masterbatch is obtained ; The critical temperature of the supercritical carbon dioxide fluid is 40 ℃, the critical pressure is 75atm;
[0069] S3: Weigh 12 parts of the modified masterbatch prepared in step S2, 1 part of coupling agent, 3 parts of additives, and 100 parts of modified PET resin. After stirring and mixing uniformly, a casting liquid is formed, and the casting liquid is injected into the mold In the drying oven at 60° C., drying for 12 hours, taking out, cooling, and uncovering the film to obtain the glass film.
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PUM

PropertyMeasurementUnit
Size300.0nm
Size100.0nm
Size400.0nm
tensileMPa
Particle sizePa
strength10

Description & Claims & Application Information

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the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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