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Infrared barrier master batch, infrared barrier polyester film and preparation method of infrared barrier polyester film

An infrared blocking and polyester film technology, applied in the field of infrared blocking polyester film and its preparation, and infrared blocking masterbatch, can solve the problems of poor compatibility and uneven dispersion, reduce the phase transition temperature, and enhance the interface bonding force. , the effect of improving the tensile strength

Active Publication Date: 2021-04-16
ZHEJIANG QIANGMENG IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Aiming at the problems of poor compatibility and uneven dispersion between inorganic ceramic ions and polyester material body, the present invention provides an infrared barrier masterbatch, which utilizes the joint action of vanadium dioxide, tungsten trioxide, surface treatment agent and glass fiber , can prepare optical-grade infrared-blocking polyester film with high visible light transmittance and infrared blocking rate, high tensile strength, and good dimensional stability, which can be used in automotive window films and other fields

Method used

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  • Infrared barrier master batch, infrared barrier polyester film and preparation method of infrared barrier polyester film
  • Infrared barrier master batch, infrared barrier polyester film and preparation method of infrared barrier polyester film
  • Infrared barrier master batch, infrared barrier polyester film and preparation method of infrared barrier polyester film

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Preparation of infrared blocking masterbatch:

[0057] (1) Add 0.68kg γ-aminopropyltrimethoxysilane and 0.12kg γ-methacryloxypropyltrimethoxysilane to the mixture of 7.7kg ethanol and 1.5kg water, stir and mix with sodium hydroxide or acetic acid Adjust the pH of the mixture to 6. Add 36kg of vanadium dioxide (doped mass ratio is 2% tungsten, average particle diameter of 160 nanometers), 55kg of tungsten trioxide (average particle diameter of 90 nanometers) and 8.9kg of glass fiber (diameter of 12 microns, length of 120 microns) into the high-speed In the mixer (5000 rev / min), spray 1.25 kg of mist alcohol-water mixture containing surface treatment agent, mix at 60°C for 35 minutes at high speed, then heat up to 115°C and mix at high speed for 100 minutes, and discharge to obtain functional additives.

[0058] (2) Mix 32kg of functional additives and 68kg of polyester evenly, extrude, pelletize, and slice in a co-rotating parallel twin-screw extruder at 275°C±5°C to o...

Embodiment 2

[0062] Preparation of infrared blocking masterbatch:

[0063] (1) Add 0.64kg γ-aminopropyltrimethoxysilane and 0.16kg γ-methacryloxypropyltrimethoxysilane to the mixture of 7.7kg ethanol and 1.5kg water, stir and wash with sodium hydroxide or acetic acid Adjust the pH of the mixture to 6. Add 36kg of vanadium dioxide (doped mass ratio is 2% tungsten, average particle diameter of 160 nanometers), 55kg of tungsten trioxide (average particle diameter of 90 nanometers) and 8.9kg of glass fiber (diameter of 12 microns, length of 120 microns) into the high-speed In the mixer (5000 rev / min), spray 1.25 kg of mist alcohol-water mixture containing surface treatment agent, mix at 60°C for 35 minutes at high speed, then heat up to 115°C and mix at high speed for 100 minutes, and discharge to obtain functional additives.

[0064] Step (2) and the preparation of the infrared-blocking polyester film were the same as in Example 1, and the infrared-blocking polyester film (thickness: 16 mic...

Embodiment 3

[0066] Preparation of infrared blocking masterbatch:

[0067] (1) Add 0.72kg γ-aminopropyltrimethoxysilane and 0.08kg γ-methacryloxypropyltrimethoxysilane to the mixture of 7.7kg ethanol and 1.5kg water, stir and wash with sodium hydroxide or acetic acid Adjust the pH of the mixture to 6. Add 36kg of vanadium dioxide (doped mass ratio is 2% tungsten, average particle diameter of 160 nanometers), 55kg of tungsten trioxide (average particle diameter of 90 nanometers) and 8.9kg of glass fiber (diameter of 12 microns, length of 120 microns) into the high-speed In the mixer (5000 rev / min), spray 1.25 kg of mist alcohol-water mixture containing surface treatment agent, mix at 60°C for 35 minutes at high speed, then heat up to 115°C and mix at high speed for 100 minutes, and discharge to obtain functional additives.

[0068] Step (2) and the preparation of the infrared-blocking polyester film were the same as in Example 1, and the infrared-blocking polyester film (thickness: 16 mic...

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Abstract

The invention relates to the technical field of high polymer materials, and discloses an infrared barrier master batch, an infrared barrier polyester film and a preparation method thereof.The infrared barrier master batch is prepared from, by mass on the basis of 100%, 60-70% of polyester and 30-40% of functional additive; wherein the functional additive is prepared from the following raw material components: 25 to 55 percent of vanadium dioxide, 35 to 64 percent of tungsten trioxide, 7 to 10 percent of glass fiber and 0.1 to 0.5 percent of surface treating agent; according to the preparation method, master batches are obtained through melt blending, then the master batches and polyester are subjected to tape casting to form a film, the infrared blocking polyester film is prepared, and the optical-grade infrared blocking polyester film with high visible light transmittance, high infrared blocking rate, high tensile strength and good size stability is obtained through the synergistic effect of vanadium dioxide, tungsten trioxide, glass fibers and a surface treating agent. The preparation method is simple to operate, easy to control, high in production efficiency and suitable for industrial production.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to an infrared blocking masterbatch, an infrared blocking polyester film and a preparation method thereof. Background technique [0002] Optical grade polyester film has excellent physical properties such as high light transmittance, low haze, high surface finish, low coefficient of friction and good dimensional stability, and is mainly used for diffusion films and brightness enhancement films in high-end liquid crystal displays and lighting equipment , absorbing film, reflective film, antistatic protective film, optical film substrate in flexible electronic display equipment, etc. At present, optical-grade polyester film is basically used as the base material of heat-insulating layer in automotive glass window film. Window films applied to automobile glass in different areas (front shield, side shield, rear shield) have different requirements and regulations on the trans...

Claims

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Application Information

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IPC IPC(8): C08L67/00C08K9/06C08K7/14C08K3/22C08J3/22C08J5/18
Inventor 胡培隆颜孙赛欧阳南平周箭
Owner ZHEJIANG QIANGMENG IND
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