阅读说明：本技术 一种太阳能背板修补胶及其制备方法 (Solar backboard repairing adhesive and preparation method thereof ) 是由 张国良 吴秀琴 于 2019-08-29 设计创作，主要内容包括：本发明公开了一种太阳能背板修补胶,由下列质量百分比计的原料组合而成：亚克力树脂20～25%、环氧树脂15～20%、丁苯橡胶15～18%、聚氨酯20～25%、二氯甲烷5～10%、季铵盐表面活性剂1～5%、偶联剂0.2～0.5%、抗氧化剂0.01～0.05%、抗紫外线吸收剂0.05～0.2%、色浆2～4%、固化剂为1～2%、附着力促进剂0.2～1.0%、磷酸酯0.05～0.1%、消泡剂0.005～0.01%、偶联剂0.01～0.02%、其余为稀释剂。本发明制得的太阳能背板修补胶固化快,粘结牢固,可快速对太阳能电池背板膜进行修补,操作简便,修补效果较持久。(The invention discloses a solar backboard repairing adhesive which is prepared by combining the following raw materials in percentage by mass: 20-25% of acrylic resin, 15-20% of epoxy resin, 15-18% of styrene butadiene rubber, 20-25% of polyurethane, 5-10% of dichloromethane, 1-5% of quaternary ammonium salt surfactant, 0.2-0.5% of coupling agent, 0.01-0.05% of antioxidant, 0.05-0.2% of ultraviolet-resistant absorbent, 2-4% of color paste, 1-2% of curing agent, 0.2-1.0% of adhesion promoter, 0.05-0.1% of phosphate, 0.005-0.01% of defoaming agent, 0.01-0.02% of coupling agent and the balance of diluent. The solar backboard repairing glue prepared by the invention is fast in curing and firm in bonding, can be used for quickly repairing a solar battery backboard film, is simple and convenient to operate, and has a relatively durable repairing effect.)

1. The solar backboard repairing adhesive is characterized by being prepared from the following raw materials in percentage by mass: 20-25% of acrylic resin, 15-20% of epoxy resin, 15-18% of styrene butadiene rubber, 20-25% of polyurethane, 5-10% of dichloromethane, 1-5% of quaternary ammonium salt surfactant, 0.2-0.5% of coupling agent, 0.01-0.05% of antioxidant, 0.05-0.2% of ultraviolet-resistant absorbent, 2-4% of color paste, 1-2% of curing agent, 0.2-1.0% of adhesion promoter, 0.05-0.1% of phosphate, 0.005-0.01% of defoaming agent, 0.01-0.02% of coupling agent and the balance of diluent.

2. the solar backboard repairing adhesive according to claim 1, wherein the adhesive comprises 20% of acrylic resin, 15% of epoxy resin, 15% of styrene-butadiene rubber, 20% of polyurethane, 5% of dichloromethane, 1% of quaternary ammonium salt surfactant, 0.2% of coupling agent, 0.01% of antioxidant, 0.05% of ultraviolet-resistant absorbent, 2% of color paste, 1% of curing agent, 0.2% of adhesion promoter, 0.05% of phosphate ester, 0.005% of defoaming agent, 0.01% of coupling agent and the balance of diluent.

3. The solar backboard repairing adhesive according to claim 1, wherein the adhesive comprises 25% of acrylic resin, 20% of epoxy resin, 18% of styrene-butadiene rubber, 25% of polyurethane, 10% of dichloromethane, 5% of quaternary ammonium salt surfactant, 0.5% of coupling agent, 0.05% of antioxidant, 0.2% of ultraviolet-resistant absorbent, 4% of color paste, 2% of curing agent, 1.0% of adhesion promoter, 0.1% of phosphate ester, 0.01% of defoaming agent, 0.02% of coupling agent and the balance of diluent.

4. The solar backboard repair glue according to claim 1, wherein the adhesive comprises 22% of acrylic resin, 17% of epoxy resin, 16% of styrene-butadiene rubber, 22% of polyurethane, 7% of dichloromethane, 2% of quaternary ammonium salt surfactant, 0.3% of coupling agent, 0.03% of antioxidant, 0.08% of ultraviolet-resistant absorbent, 2.5% of color paste, 1.3% of curing agent, 0.4% of adhesion promoter, 0.07% of phosphate ester, 0.008% of defoaming agent, 0.013% of coupling agent and the balance of diluent.

5. The solar backboard repair glue according to claim 1, wherein the adhesive comprises 24% of acrylic resin, 19% of epoxy resin, 17% of styrene-butadiene rubber, 24% of polyurethane, 9% of dichloromethane, 4% of quaternary ammonium salt surfactant, 0.4% of coupling agent, 0.04% of antioxidant, 0.12% of ultraviolet-resistant absorbent, 3.5% of color paste, 1.7% of curing agent, 0.8% of adhesion promoter, 0.09% of phosphate ester, 0.009% of defoaming agent, 0.015% of coupling agent and the balance of diluent.

6. The solar backboard repairing glue according to claim 1, wherein 2% of epoxy accelerator is added into the epoxy resin.

7. the solar back panel repair adhesive of claim 1, wherein the diluent is a No. 600 epoxy diluent.

8. the preparation method of the solar backboard repair glue according to any one of claims 1 to 7, characterized by comprising the following steps:

S1, adding acrylic resin, epoxy resin, styrene butadiene rubber, polyurethane and dichloromethane into the container, and stirring by a stirring device until the raw materials in the container are fully mixed;

s2, adding the diluent into the container in the S1, and stirring by a stirring device until the diluent is fully fused with the mixed raw materials in the S1;

s3, adding a quaternary ammonium salt surfactant, a coupling agent, an antioxidant, an anti-ultraviolet absorbent, color paste, a curing agent, an adhesion promoter, phosphate ester, a defoaming agent and a coupling agent into the container in the S2, and stirring by a stirring device until the raw materials in the container are fully mixed.

Technical Field

the invention relates to the technical field of glue, in particular to solar backboard repairing glue and a preparation method thereof.

background

The solar cell is formed by laminating low-iron-sensitivity glass, a silicon wafer, EVA (ethylene vinyl acetate) glue and a back film. Because the solar cell is directly exposed in the air and is easily corroded by water vapor, acid gas, high and low temperature, ultraviolet rays and the like, and the photoelectric conversion performance of the solar cell is attenuated, the protection effect of the solar back plate film is very important, the back plate film and the back plate are compounded by glue, however, the weather resistance of the glue for compounding the existing solar cell back plate film is limited, the glue cannot be maintained for many years, and needs to be repaired, and the repairing glue in the prior art has the main problems that: long curing time, low bonding strength, serious aging, short service cycle and the like.

Disclosure of Invention

the invention aims to provide a solar backboard repairing adhesive and a preparation method thereof, and aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the solar backboard repairing adhesive is prepared from the following raw materials in percentage by mass: 20-25% of acrylic resin, 15-20% of epoxy resin, 15-18% of styrene butadiene rubber, 20-25% of polyurethane, 5-10% of dichloromethane, 1-5% of quaternary ammonium salt surfactant, 0.2-0.5% of coupling agent, 0.01-0.05% of antioxidant, 0.05-0.2% of ultraviolet-resistant absorbent, 2-4% of color paste, 1-2% of curing agent, 0.2-1.0% of adhesion promoter, 0.05-0.1% of phosphate, 0.005-0.01% of defoaming agent, 0.01-0.02% of coupling agent and the balance of diluent.

As a further scheme of the invention: the solar backboard repairing adhesive is prepared from the following raw materials in percentage by mass: 20% of acrylic resin, 15% of epoxy resin, 15% of styrene-butadiene rubber, 20% of polyurethane, 5% of dichloromethane, 1% of quaternary ammonium salt surfactant, 0.2% of coupling agent, 0.01% of antioxidant, 0.05% of ultraviolet-resistant absorbent, 2% of color paste, 1% of curing agent, 0.2% of adhesion promoter, 0.05% of phosphate, 0.005% of defoaming agent, 0.01% of coupling agent and the balance of diluent.

As a further scheme of the invention: the solar backboard repairing adhesive is prepared from the following raw materials in percentage by mass: 25% of acrylic resin, 20% of epoxy resin, 18% of styrene-butadiene rubber, 25% of polyurethane, 10% of dichloromethane, 5% of quaternary ammonium salt surfactant, 0.5% of coupling agent, 0.05% of antioxidant, 0.2% of ultraviolet-resistant absorbent, 4% of color paste, 2% of curing agent, 1.0% of adhesion promoter, 0.1% of phosphate, 0.01% of defoaming agent, 0.02% of coupling agent and the balance of diluent.

As a further scheme of the invention: the solar backboard repairing adhesive is prepared from the following raw materials in percentage by mass: acrylic resin 22%, epoxy resin 17%, styrene-butadiene rubber 16%, polyurethane 22%, dichloromethane 7%, quaternary ammonium salt surfactant 2%, coupling agent 0.3%, antioxidant 0.03%, ultraviolet-resistant absorbent 0.08%, color paste 2.5%, curing agent 1.3%, adhesion promoter 0.4%, phosphate 0.07%, defoaming agent 0.008%, coupling agent 0.013%, and the balance of diluent.

As a further scheme of the invention: the solar backboard repairing adhesive is prepared from the following raw materials in percentage by mass: 24% of acrylic resin, 19% of epoxy resin, 17% of styrene-butadiene rubber, 24% of polyurethane, 9% of dichloromethane, 4% of quaternary ammonium salt surfactant, 0.4% of coupling agent, 0.04% of antioxidant, 0.12% of ultraviolet-resistant absorbent, 3.5% of color paste, 1.7% of curing agent, 0.8% of adhesion promoter, 0.09% of phosphate, 0.009% of defoaming agent, 0.015% of coupling agent and the balance of diluent.

As a further scheme of the invention: 2% of epoxy accelerator is added into the epoxy resin.

As a further scheme of the invention: the diluent is No. 600 epoxy diluent.

The preparation method of the solar backboard repairing adhesive is characterized by comprising the following steps:

s1, adding acrylic resin, epoxy resin, styrene butadiene rubber, polyurethane and dichloromethane into the container, and stirring by a stirring device until the raw materials in the container are fully mixed;

S2, adding the diluent into the container in the S1, and stirring by a stirring device until the diluent is fully fused with the mixed raw materials in the S1;

S3, adding a quaternary ammonium salt surfactant, a coupling agent, an antioxidant, an anti-ultraviolet absorbent, color paste, a curing agent, an adhesion promoter, phosphate ester, a defoaming agent and a coupling agent into the container in the S2, and stirring by a stirring device until the raw materials in the container are fully mixed.

Compared with the prior art, the invention has the beneficial effects that: the solar cell back panel repairing glue effectively overcomes the defects that the weather resistance of the glue for compounding the solar cell back panel film is limited and the maintenance life is short.

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.