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CN111394006A - Preparation method of infrared-blocking EVA (ethylene-vinyl acetate copolymer) film - Google Patents

Preparation method of infrared-blocking EVA (ethylene-vinyl acetate copolymer) film Download PDF

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Publication number
CN111394006A
CN111394006A CN202010226754.4A CN202010226754A CN111394006A CN 111394006 A CN111394006 A CN 111394006A CN 202010226754 A CN202010226754 A CN 202010226754A CN 111394006 A CN111394006 A CN 111394006A
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eva
coupling agent
preparation
antioxidant
infrared
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Inventor
孙仕兵
顾孔胜
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Shenzhen Gaoren Electronic New Material Co ltd
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Shenzhen Gaoren Electronic New Material Co ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/30Adhesives in the form of films or foils characterised by the adhesive composition
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/04Non-macromolecular additives inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/06Non-macromolecular additives organic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J123/00Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/04Homopolymers or copolymers of ethene
    • C09J123/08Copolymers of ethene
    • C09J123/0846Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C09J123/0853Vinylacetate
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/10Adhesives in the form of films or foils without carriers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2231Oxides; Hydroxides of metals of tin
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a preparation method of an infrared-blocking EVA film, which is characterized by comprising EVA, nano ATO dispersion liquid, a dispersing agent, a coupling agent and an antioxidant, wherein the EVA, the nano ATO dispersion liquid, the dispersing agent, the coupling agent and the antioxidant are selected according to the mass ratio of EVA85 percent, 1 percent of nano ATO dispersion liquid, 5 percent of dispersing agent, 4 percent of coupling agent and 5 percent of antioxidant, then the EVA, the nano ATO dispersion liquid, the dispersing agent, the coupling agent and the antioxidant are stirred to be uniformly mixed, a product after mixing is extruded by a single-screw extruder and is subjected to tape casting to form a film, and the required EVA film is obtained after cooling and setting, and the beneficial effects are that: the nano ATO component is added into the formula component of the EVA film, so that the prepared EVA film has a good infrared ray blocking function, the visible light transmittance and the near infrared ray blocking rate of the glass manufactured by using the EVA film are high, the solar heat radiation can be effectively blocked, and the energy-saving effect is good.

Description

Preparation method of infrared-blocking EVA (ethylene-vinyl acetate copolymer) film
Technical Field
The invention discloses a preparation method of an infrared ray blocking EVA (ethylene vinyl acetate) film, belonging to the technical field of EVA films.
Background
The laminated glass is a composite glass formed by bonding two pieces of glass together by utilizing an intermediate film, along with the wide application of the laminated glass, the requirement of a film as an intermediate film material is more and more large, the required functions are diversified, the PVB and EVA films are mainly applied at present, and the EVA films are films prepared by using EVA (ethylene-vinyl acetate copolymer) as a main material;
with the development of multifunction of laminated glass, in order to improve the performances of heat preservation, heat insulation and the like of a building and not influence the effects of lighting, ventilation and the like of the building, the glass is required to block near infrared light as much as possible and have higher visible light transmittance, the existing EVA film is prone to simple adhesion function or emphasizes on visual effects such as color, appearance and the like, but has insufficient infrared ray blocking performance and transparency and cannot meet the requirements of the existing functions, so the invention provides the preparation method of the infrared ray blocking EVA film.
Disclosure of Invention
The invention aims to solve the technical problems that the existing EVA film is prone to simple adhesion function or focuses on color, appearance and other visual effects, but has insufficient infrared ray blocking performance and transparency and cannot meet the existing functional requirements, and provides a preparation method of the infrared ray blocking EVA film.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of an infrared blocking EVA film comprises the following steps of EVA, nano ATO dispersion liquid, dispersing agent, coupling agent and antioxidant, wherein the mass ratio of the EVA to the nano ATO dispersion liquid to the dispersing agent to the coupling agent to the antioxidant is 80% -90%, 1% -3%, 5% -10%, 3% -5% and 4% -5%, and the preparation steps are as follows:
(1) the following raw materials are prepared according to the weight proportion: EVA 85%, nano ATO dispersion liquid 1%, dispersing agent 5%, coupling agent 4% and antioxidant 5%;
(2) stirring EVA, nano ATO dispersion liquid, a dispersing agent, a silane coupling agent and an antioxidant until the components are uniformly mixed;
(3) and extruding the product by a single-screw extruder, carrying out tape casting to form a film, and cooling and shaping to obtain the required EVA film.
Preferably, the VA content of the EVA is 28-33%, and the melt index of the EVA is less than or equal to 5.0g/10 min.
Preferably, the dispersing agent is EVA wax.
Preferably, the coupling agent is selected from one or more of a silane coupling agent, an aluminate coupling agent and a polymer coupling agent.
Preferably, the antioxidant is pentaerythritol tetrakis (β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate).
Preferably, the coupling agent is N-phenyl-gamma-aminopropyltrimethoxysilane.
Preferably, the EVA has a vinyl acetate content of 32%.
Compared with the prior art, the invention has the following beneficial effects:
in the invention, EVA, nano ATO dispersion liquid, dispersing agent, coupling agent and antioxidant are selected according to the mass ratio of EVA 85%, nano ATO dispersion liquid 1%, dispersing agent 5%, coupling agent 4% and antioxidant 5%, then the EVA, nano ATO dispersion liquid, dispersing agent, coupling agent and antioxidant are stirred to be uniformly mixed, the mixed product is extruded by a single-screw extruder and cast into a film, the required EVA film is obtained after cooling and shaping, the design is that nano ATO component is added into the formula component of the EVA film, therefore, the prepared EVA film has a good infrared ray blocking function, and the glass manufactured by the EVA film has high visible light transmittance and near infrared ray blocking rate, can effectively block solar heat radiation, and has a good energy-saving effect.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: a preparation method of an infrared blocking EVA film comprises the following steps of EVA, nano ATO dispersion liquid, dispersing agent, coupling agent and antioxidant, wherein the mass ratio of the EVA to the nano ATO dispersion liquid to the dispersing agent to the coupling agent to the antioxidant is 80% -90%, 1% -3%, 5% -10%, 3% -5% and 4% -5%, and the preparation steps are as follows:
(1) the following raw materials are prepared according to the weight proportion: EVA 85%, nano ATO dispersion liquid 1%, dispersing agent 5%, coupling agent 4% and antioxidant 5%;
Figure BDA0002427928670000031
(2) stirring EVA, nano ATO dispersion liquid, a dispersing agent, a silane coupling agent and an antioxidant until the components are uniformly mixed;
(3) and extruding the product by a single-screw extruder, carrying out tape casting to form a film, and cooling and shaping to obtain the required EVA film.
Wherein the VA content of the EVA is 28-33%, and the melt index of the EVA is less than or equal to 5.0g/10 min.
Wherein, the dispersant is EVA wax.
Wherein the coupling agent is selected from one or a mixture of silane coupling agent, aluminate coupling agent and macromolecule coupling agent.
Wherein the antioxidant is pentaerythritol tetrakis (β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate).
Wherein the coupling agent is N-phenyl-gamma-aminopropyltrimethoxysilane.
Wherein the EVA contains 32% of vinyl acetate.
Example 2: a preparation method of an infrared blocking EVA film comprises the following steps of EVA, nano ATO dispersion liquid, dispersing agent, coupling agent and antioxidant, wherein the mass ratio of the EVA to the nano ATO dispersion liquid to the dispersing agent to the coupling agent to the antioxidant is 80% -90%, 1% -3%, 5% -10%, 3% -5% and 4% -5%, and the preparation steps are as follows:
(1) the following raw materials are prepared according to the weight proportion: EVA 86%, nano ATO dispersion liquid 2%, dispersing agent 5%, coupling agent 3%, and antioxidant 4%;
Figure BDA0002427928670000041
(2) stirring EVA, nano ATO dispersion liquid, a dispersing agent, a silane coupling agent and an antioxidant until the components are uniformly mixed;
(3) and extruding the product by a single-screw extruder, carrying out tape casting to form a film, and cooling and shaping to obtain the required EVA film.
Wherein the VA content of the EVA is 28-33%, and the melt index of the EVA is less than or equal to 5.0g/10 min.
Wherein, the dispersant is EVA wax.
Wherein the coupling agent is selected from one or a mixture of silane coupling agent, aluminate coupling agent and macromolecule coupling agent.
Wherein the antioxidant is pentaerythritol tetrakis (β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate).
Wherein the coupling agent is N-phenyl-gamma-aminopropyltrimethoxysilane.
Wherein the EVA contains 32% of vinyl acetate.
Example 3: a preparation method of an infrared blocking EVA film comprises the following steps of EVA, nano ATO dispersion liquid, dispersing agent, coupling agent and antioxidant, wherein the mass ratio of the EVA to the nano ATO dispersion liquid to the dispersing agent to the coupling agent to the antioxidant is 80% -90%, 1% -3%, 5% -10%, 3% -5% and 4% -5%, and the preparation steps are as follows:
(1) the following raw materials are prepared according to the weight proportion: 84.5% of EVA, 3.5% of nano ATO dispersion liquid, 5% of dispersing agent, 3% of coupling agent and 4% of antioxidant;
Figure BDA0002427928670000051
(2) stirring EVA, nano ATO dispersion liquid, a dispersing agent, a silane coupling agent and an antioxidant until the components are uniformly mixed;
(3) and extruding the product by a single-screw extruder, carrying out tape casting to form a film, and cooling and shaping to obtain the required EVA film.
Wherein the VA content of the EVA is 28-33%, and the melt index of the EVA is less than or equal to 5.0g/10 min.
Wherein, the dispersant is EVA wax.
Wherein the coupling agent is selected from one or a mixture of silane coupling agent, aluminate coupling agent and macromolecule coupling agent.
Wherein the antioxidant is pentaerythritol tetrakis (β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate).
Wherein the coupling agent is N-phenyl-gamma-aminopropyltrimethoxysilane.
Wherein the EVA contains 32% of vinyl acetate.
Specifically, the EVA, the nano ATO dispersion liquid, the dispersing agent, the coupling agent and the antioxidant are selected according to 80% -90%, 1% -3%, 5% -10%, 3% -5% and 4% -5%, then the EVA, the nano ATO dispersion liquid, the dispersing agent, the silane coupling agent and the antioxidant are stirred to be uniformly mixed, a mixed product is extruded and cast into a film by a single-screw extruder, and the required EVA film is obtained after cooling and shaping.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The preparation method of the infrared blocking EVA film is characterized by comprising 80-90%, 1-3%, 5-10%, 3-5% and 4-5% of EVA, nano ATO dispersion liquid, dispersing agent, coupling agent and antioxidant in parts by mass, and comprises the following preparation steps:
(1) the following raw materials are prepared according to the weight proportion: EVA 85%, nano ATO dispersion liquid 1%, dispersing agent 5%, coupling agent 4% and antioxidant 5%;
(2) stirring EVA, nano ATO dispersion liquid, a dispersing agent, a silane coupling agent and an antioxidant until the components are uniformly mixed;
(3) and extruding the product by a single-screw extruder, carrying out tape casting to form a film, and cooling and shaping to obtain the required EVA film.
2. The preparation method of the infrared-blocking EVA film according to claim 1, wherein the preparation method comprises the following steps: the VA content of the EVA is 28-33%, and the melt index of the EVA is less than or equal to 5.0g/10 min.
3. The preparation method of the infrared-blocking EVA film according to claim 1, wherein the preparation method comprises the following steps: the dispersing agent is EVA wax.
4. The preparation method of the infrared-blocking EVA film according to claim 1, wherein the preparation method comprises the following steps: the coupling agent is selected from one or a mixture of a silane coupling agent, an aluminate coupling agent and a polymer coupling agent.
5. The method for preparing the infrared blocking EVA film of claim 1, wherein the antioxidant is pentaerythritol tetrakis (β - (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate).
6. The preparation method of the infrared-blocking EVA film according to claim 1, wherein the preparation method comprises the following steps: the coupling agent is N-phenyl-gamma-aminopropyltrimethoxysilane.
7. The preparation method of the infrared-blocking EVA film according to claim 1, wherein the preparation method comprises the following steps: the content of vinyl acetate in the EVA is 32%.
CN202010226754.4A 2020-03-27 2020-03-27 Preparation method of infrared-blocking EVA (ethylene-vinyl acetate copolymer) film Pending CN111394006A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113698891A (en) * 2021-09-17 2021-11-26 江苏皇冠新材料科技有限公司 Recyclable protective film and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104059548A (en) * 2014-06-12 2014-09-24 浙江德斯泰塑胶有限公司 Infrared barrier PVB (Poly Vinyl Butyral) film and preparation method thereof
US20180170021A1 (en) * 2015-06-30 2018-06-21 Sumitomo Metal Mining Co., Ltd. Heat-ray shielding film, heat-ray shielding laminated transparent substrate, automobile, building, dispersoid, mixed composition, method for manufacturing dispersoid, dispersion liquid, and method for manufacturing dispersion liquid
CN109762490A (en) * 2019-02-13 2019-05-17 长春工业大学 A kind of heat-insulated PVB film and preparation method thereof
CN109796884A (en) * 2019-01-25 2019-05-24 南京金永发塑胶加工制品有限公司 A kind of high light transmission heat insulation type laminated glass-use EVA intermediate coat and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104059548A (en) * 2014-06-12 2014-09-24 浙江德斯泰塑胶有限公司 Infrared barrier PVB (Poly Vinyl Butyral) film and preparation method thereof
US20180170021A1 (en) * 2015-06-30 2018-06-21 Sumitomo Metal Mining Co., Ltd. Heat-ray shielding film, heat-ray shielding laminated transparent substrate, automobile, building, dispersoid, mixed composition, method for manufacturing dispersoid, dispersion liquid, and method for manufacturing dispersion liquid
CN109796884A (en) * 2019-01-25 2019-05-24 南京金永发塑胶加工制品有限公司 A kind of high light transmission heat insulation type laminated glass-use EVA intermediate coat and preparation method thereof
CN109762490A (en) * 2019-02-13 2019-05-17 长春工业大学 A kind of heat-insulated PVB film and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113698891A (en) * 2021-09-17 2021-11-26 江苏皇冠新材料科技有限公司 Recyclable protective film and preparation method thereof

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