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Water-based ink, adhesive film and application thereof

A water-based ink and adhesive film technology, applied in the field of photovoltaics, can solve the problems of poor flexibility and adhesion of patterned adhesive film coatings, achieve stable and uniform overall performance, improve efficiency and service life, and offset mechanical stress or thermal stress Effect

Pending Publication Date: 2021-11-05
ZHEJIANG FORST NEW MATERIAL RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The main purpose of the present invention is to provide a kind of water-based ink, adhesive film and application thereof, to solve the problem of poor flexibility and adhesion of patterned adhesive film coating in the prior art

Method used

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  • Water-based ink, adhesive film and application thereof
  • Water-based ink, adhesive film and application thereof
  • Water-based ink, adhesive film and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] Coating layer: by weight, water-based ink formula:

[0050] Reagent number of copies resin emulsion POE Emulsion (Dow Chemical) 100 viscosifying emulsion U54 (Covestro) 35 crosslinking agent EO3-TMPTA (Sartomer) 5 auxiliary crosslinking agent tert-Butyl peroxyisopropyl carbonate 5 adhesion promoter 6654 (Guangzhou Siluoke) 5 Defoamer / Thickener / Antioxidant Byk023 / BYK410 / 1076 1 / 1 / 3 color paste self-provided 120

[0051] Among them, the weight ratio of toner, filler, dispersant, water in the color paste is 20:25:5:50; the toner is titanium dioxide R706 (U.S. DuPont), the filler is magnesium oxide; the dispersant is Tego 755w; The resin emulsion is 100 parts by weight of ethylene-octene copolymer (MFR: 5g / 10min; octene content 38wt%), adding 2 parts by weight of emulsifier emulsogen cle 070 (Klein), after melt extrusion at 150 ° C, An aqueous dispersion of 2 parts by weight of water, 0.3 parts by weight...

Embodiment 2

[0056] Coating layer: by weight, water-based ink formula:

[0057]

[0058]

[0059] Among them, the weight ratio of toner, dispersant, and water in the color paste is 70:20:10; the toner is carbon black MA111 (Mitsubishi, Japan); the dispersant is Tego 755w. The resin emulsion is 100 parts by weight of ethylene-vinyl acetate copolymer (the mass fraction of vinyl acetate is 33%), adding 2 parts by weight of emulsogen cle 070 (Klein), after 150 ℃ of melt extruding, in total The mixed product was added with an aqueous dispersion of 5 parts by weight of water, 0.5 parts by weight of KOH, and then subsequently further diluted the EVA resin emulsion with a solid content of 50 wt%.

[0060] Substrate layer: The white EVA film is irradiated and cross-linked, the pre-cross-linking degree is 55%, and the white EVA film with a thickness of 0.5mm is obtained by winding.

[0061] Film preparation:

[0062] The above-mentioned water-based ink is printed on the substrate layer by gr...

Embodiment 3

[0064] Coating layer: by weight, water-based ink formula:

[0065] Reagent number of copies resin emulsion POE Emulsion (Dow Chemical) 100 viscosifying emulsion U54 (Covestro) 10 crosslinking agent PETA (Sartoma) 0.5 auxiliary crosslinking agent tert-Butyl peroxyisopropyl carbonate 0.5 adhesion promoter 6207 (Guangzhou Siluoke) 0.5 Defoamer Byk023 0.5 color paste self-provided 25

[0066] Wherein, in the color paste, the weight ratio of toner, dispersant, water, is 49:1:50; Toner is titanium dioxide R706 (U.S. DuPont); Add 2 parts by weight of emulsogen emulsogen cle 070 (Klei En) to the octene copolymer (MFR: 5g / 10min; octene content 38wt%), after melt extrusion at 150°C, add 5 parts by weight to the blended product Water, an aqueous dispersion of 0.5 parts by weight of triethylamine, and then further dilute the POE resin emulsion with a solid content of 60 wt%.

[0067] Substrate layer: The convention...

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Abstract

The invention provides water-based ink, an adhesive film and application thereof. The water-based ink comprises the following components in parts by weight: 100 parts of resin emulsion, 1-120 parts of color paste, 0.5-5 parts of a cross-linking agent, 0.5-5 parts of an assistant cross-linking agent, 0.5-5 parts of an adhesion promoter and 0.5-5 parts of an auxiliary agent. The resin emulsion, the color paste, the cross-linking agent, the assistant cross-linking agent, the adhesion promoter and other auxiliaries are matched to form the water-based ink, and the components have a specific weight relationship. In practical application, the ink can be printed on a conventional adhesive film of an existing photovoltaic module, and the flexibility and adhesive force of the adhesive film can be effectively improved on the basis of meeting the power requirement of the photovoltaic module. Specifically, after the water-based ink is printed on a conventional adhesive film base layer, the adhesive film obtained by curing is better in overall flexibility, so that mechanical stress or thermal stress generated in the processing and using process of a photovoltaic module can be effectively offset, and the phenomenon of adhesive film coating cracking is effectively avoided.

Description

technical field [0001] The invention relates to the field of photovoltaics, in particular to a water-based ink, an adhesive film and applications thereof. Background technique [0002] For the field of photovoltaic power generation, high conversion efficiency and low manufacturing cost have always been the goals pursued. At present, due to the gap between the cells in the photovoltaic module, the light irradiated in the gap cannot be fully absorbed and utilized by the cells; moreover, the cells that can transmit light will also cause energy loss, resulting in low efficiency of the photovoltaic module on cell efficiency. [0003] The white highly reflective backplane can utilize the light in the gap, and the white adhesive film on the back layer can also partially utilize the light, and the power gain is higher than that of the white backplane. The principle of both is to reflect the light at the gap to the front glass, and reflect or even total reflect at the interface bet...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/108C09D11/03C09D11/30C08J7/04C08L23/08
CPCC09D11/108C09D11/03C09D11/30C08J7/0427C08J2323/08C08J2423/08
Inventor 梅云宵杨楚峰金大钺邓伟曹明杰
Owner ZHEJIANG FORST NEW MATERIAL RES INST CO LTD