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A kind of infrared barrier masterbatch, infrared barrier polyester film and preparation method thereof

An infrared blocking and masterbatch technology, applied in the field of infrared blocking polyester film and its preparation, infrared blocking masterbatch, can solve problems such as poor compatibility and uneven dispersion, achieve high production efficiency, simple operation, and improve infrared blocking The effect of efficiency

Active Publication Date: 2022-05-24
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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  • A kind of infrared barrier masterbatch, infrared barrier polyester film and preparation method thereof
  • A kind of infrared barrier masterbatch, infrared barrier polyester film and preparation method thereof
  • A kind of infrared barrier masterbatch, infrared barrier polyester film and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0056] Preparation of infrared blocking masterbatch:

[0057] (1) 0.68kg of γ-aminopropyltrimethoxysilane and 0.12kg of γ-methacryloyloxypropyltrimethoxysilane were added to the mixed solution of 7.7kg of ethanol and 1.5kg of water, stirred and mixed with sodium hydroxide or acetic acid Adjust the pH of the mixture to 6. 36kg vanadium dioxide (2% tungsten doping mass ratio, average particle size 160nm), 55kg tungsten trioxide (average particle size 90nm) and 8.9kg glass fiber (12 microns in diameter, 120 microns in length) were added to the high-speed In the mixer (5000 rpm), spray 1.25kg of mist-like alcohol-water mixture containing the surface treatment agent, mix at a high speed for 35min at 60°C, then heat up to 115°C and mix at a high speed for 100min, and discharge to obtain Functional additives.

[0058] (2) Mix 32kg of functional additives and 68kg of polyester evenly, extrude pelletized chips, and extrude pelletized chips at 275°C ± 5°C in a co-rotating parallel twi...

Embodiment 2

[0062] Preparation of infrared blocking masterbatch:

[0063] (1) 0.64kg of γ-aminopropyltrimethoxysilane and 0.16kg of γ-methacryloyloxypropyltrimethoxysilane were added to a mixed solution of 7.7kg of ethanol and 1.5kg of water, stirred and mixed with sodium hydroxide or acetic acid Adjust the pH of the mixture to 6. 36kg vanadium dioxide (2% tungsten doping mass ratio, average particle size 160nm), 55kg tungsten trioxide (average particle size 90nm) and 8.9kg glass fiber (12 microns in diameter, 120 microns in length) were added to the high-speed In the mixer (5000 rpm), spray 1.25kg of mist-like alcohol-water mixture containing the surface treatment agent, mix at a high speed for 35min at 60°C, then heat up to 115°C and mix at a high speed for 100min, and discharge to obtain Functional additives.

[0064] Step (2) and the preparation of the infrared blocking polyester film are the same as those in Example 1 under the same conditions and processes, to obtain an infrared b...

Embodiment 3

[0066] Preparation of infrared blocking masterbatch:

[0067] (1) 0.72kg of γ-aminopropyltrimethoxysilane and 0.08kg of γ-methacryloyloxypropyltrimethoxysilane were added to a mixed solution of 7.7kg of ethanol and 1.5kg of water, stirred and mixed with sodium hydroxide or acetic acid Adjust the pH of the mixture to 6. 36kg vanadium dioxide (2% tungsten doping mass ratio, average particle size 160nm), 55kg tungsten trioxide (average particle size 90nm) and 8.9kg glass fiber (12 microns in diameter, 120 microns in length) were added to the high-speed In the mixer (5000 rpm), spray 1.25kg of mist-like alcohol-water mixture containing the surface treatment agent, mix at a high speed for 35min at 60°C, then heat up to 115°C and mix at a high speed for 100min, and discharge to obtain Functional additives.

[0068] Step (2) and the preparation of the infrared blocking polyester film are the same as those in Example 1 under the same conditions and processes, to obtain an infrared b...

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Abstract

The invention relates to the technical field of polymer materials, and discloses an infrared blocking masterbatch, an infrared blocking polyester film and a preparation method thereof. The infrared blocking masterbatch is calculated according to the total mass percentage of 100%, and includes raw material components: 60-70% Polyester and 30-40% functional additive; the functional additive includes the following raw material components: vanadium dioxide 25-55%, tungsten trioxide 35-64%, glass fiber 7-10%, surface treatment agent 0.1-0.5% ; The masterbatch is obtained by melt blending, and then cast into a film with polyester to obtain an infrared blocking polyester film, and the visible light transmittance and The optical-grade infrared-blocking polyester film has high infrared blocking rate, high tensile strength and good dimensional stability, and 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 master batch, 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 friction coefficient and good dimensional stability. It is mainly used in high-end liquid crystal display and lighting equipment. , absorption film, reflective film, antistatic protective film, optical film substrate in flexible electronic display equipment and other fields. At present, optical grade polyester film is basically used as the base material of thermal insulation layer in automobile glass window film. Window films applied to automotive glass in different regions (front, side, and rear) have different requirements and regulations on the transmittance of visible light. , In the structural design ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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