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Ultraviolet curing adhesive with light conversion function and preparation method thereof

A technology of ultraviolet light and curing glue, which is applied in the direction of non-macromolecular organic compound adhesives, adhesives, adhesive additives, etc., can solve the problems of many resin components, many operation steps, and complicated processes in the light conversion film, and achieve mechanical Good performance and light conversion performance, good light conversion performance, and high light transmittance

Active Publication Date: 2020-03-24
湖南金紫宇新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the light conversion film prepared in this way has many components and complex structure, and many operation steps lead to complicated process, increased cost and easy to cause environmental pollution.

Method used

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  • Ultraviolet curing adhesive with light conversion function and preparation method thereof
  • Ultraviolet curing adhesive with light conversion function and preparation method thereof
  • Ultraviolet curing adhesive with light conversion function and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A method for preparing a light-converting thin film, comprising the following steps:

[0040](1) Weigh 6.95 g of trimethylolpropane (monomer A) and 13.9 g of trimethylolpropane triacrylate (monomer B) into a 100 ml container, and then add 0.125 g of 2 μm light conversion agent CaMoO 4 : Eu 3+ , disperse intermittently on a high-speed disperser for 60 s to crush and disperse the light transfer agent evenly to obtain a suspension;

[0041] (2) Add 0.125 g photoinitiator TPO, 3.75 g diluent isobornyl acrylate, 0.05 g defoamer JY-821 and 0.10 g antioxidant 1726 to the above suspension in sequence, and use magnetic stirring under light-shielding conditions Stirring on the mixer for 20 min, the UV curable adhesive A with light conversion function was obtained.

[0042] (3) Spray the UV-curable adhesive A sample on the PVC sheet with a sprayer to form a light-transfer coating about 100 μm thick;

[0043] (4) Expose the light-converting coating prepared in step (3) to an u...

Embodiment 2

[0046] A method for preparing a light-converting thin film, comprising the following steps:

[0047] (1) Weigh 6.95g of pentaerythritol tetrakis(3-mercaptopropionate) (monomer A) and 13.9g of 1,3,5-tri-2-propenyl-1,3,5-triazine-2, 4, 6(1H, 3H, 5H)-triketone (monomer B), put it into a 100ml container, and then add 0.125g of Y with an average particle size of about 2μm 2 o 3 : 0.1Eu 2+ The light-changing agent is intermittently dispersed on a high-speed disperser for 60 s, so that the light-changing agent is crushed and dispersed evenly to obtain a suspension;

[0048] (2) Add 0.125 g photoinitiator TPO, 3.75 g diluent butyl acrylate, 0.05 g defoamer JY-821 and 0.10 g antioxidant 1726 to the above suspension in sequence, and use a magnetic stirrer under shading conditions Stir for 20 min to obtain UV-curable adhesive B with light conversion function.

[0049] (3) Spray the UV-curable adhesive B sample on the PP sheet with a sprayer to form a light-transfer coating about 100 ...

Embodiment 3

[0055] A method for preparing a light-converting thin film, comprising the following steps:

[0056] (1) Weigh 4.17 g of pentaerythritol tetrakis (3-mercaptopropionate) ester (monomer A) and 16.68 g of allyl vinyl ester (monomer B) respectively, put them into a 100ml container, and then add 0.125g of average particle size About 2μm CaS: 0.01Eu 2+ , 0.01Cu + The light-changing agent is intermittently dispersed on a high-speed disperser for 60 s, so that the light-changing agent is crushed and dispersed evenly to obtain a suspension;

[0057] (2) Add 0.125 g photoinitiator 184, 3.75 g diluent isooctyl acrylate, 0.05 g defoamer JY-821 and 0.10 g antioxidant 1010 to the above suspension in sequence, and use magnetic stirring under light-shielding conditions Stirring on the mixer for 20 min, the UV curable adhesive C with light conversion function was obtained.

[0058] (3) Coat the sample of UV-curable adhesive C on the PE film using a coating machine to form a light-converting...

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Abstract

The invention belongs to the technical field of adhesives and light conversion materials, and particularly relates to an ultraviolet curing adhesive with a light conversion function and a preparationmethod thereof. The adhesive is a blended solution containing a monomer A, a monomer B, a light conversion agent, a photoinitiator, a diluent, a defoaming agent and an antioxidant, wherein the monomerA is a sulfydryl-containing carboxylic ester compound or trimethylolpropane, and the monomer B is an allyl or triacrylate compound. After the ultraviolet light curing adhesive is cured, a light conversion film is formed; a light conversion agent has good compatibility with matrix resin, can be uniformly dispersed in resin liquid, and has the characteristics of good mechanical properties and lightconversion performance, high light transmittance, strong adhesion with plastic or glass, good water resistance and the like, and the ultraviolet curing adhesive is simple in preparation process, easyin realization of reaction conditions and easy in large-scale production, can well convert ultraviolet light into red light beneficial to plant growth, and can be applied to the field of agriculturalplanting.

Description

technical field [0001] The invention belongs to the technical field of adhesives and light conversion materials, and in particular relates to an ultraviolet light curing adhesive with light conversion function and a preparation method thereof. Background technique [0002] In agricultural production, in addition to using chemical fertilizers to promote plant growth, physical factors such as sunlight in nature can also affect plant growth. Not all wavelengths of light in sunlight are beneficial to the development of plants. Only under the light of a specific wavelength that is most suitable for plant growth can plants grow rapidly and improve their quality. Photoecological studies have shown that blue-violet light at 400-480 nm and red-orange light at 630-680 nm are beneficial to plant photosynthesis, while ultraviolet light below 400 nm is harmful to crops. Therefore, the plastic light-converting film that converts ultraviolet light that cannot be used by plant stems and le...

Claims

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Application Information

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IPC IPC(8): C09J4/00C09J4/02C09J11/04
CPCC09J4/00C09J11/04
Inventor 董先明吕展衡许冰罗颖张淑婷黄栩生张超群
Owner 湖南金紫宇新材料科技有限公司
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