Adhesive, preparation method and application thereof

A technology of adhesives and initiators, applied in the direction of adhesives, non-polymer adhesive additives, non-polymer organic compound adhesives, etc., can solve the problems that hinder the commercialization of ion gel adhesives, high price and toxicity, and achieve The effect of low cost, wide application and simple process

Pending Publication Date: 2021-12-24
THE CHINESE UNIV OF HONG KONG SHENZHEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Not only that, the high price and toxicity of ion gels also hinder the further commercialization of ion gel adhesives

Method used

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  • Adhesive, preparation method and application thereof
  • Adhesive, preparation method and application thereof
  • Adhesive, preparation method and application thereof

Examples

Experimental program
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preparation example Construction

[0045] The application also provides a kind of preparation method of described adhesive, comprising:

[0046] The raw materials are mixed and reacted to obtain the adhesive.

[0047] In an optional embodiment, the reaction comprises a heating reaction or an ultraviolet curing reaction;

[0048] In an optional embodiment, the temperature of the heating reaction is 60°C-80°C, and the time is 1h-24h;

[0049] In an optional embodiment, the ultraviolet curing reaction time is 5 min-60 min.

[0050] Optionally, the temperature of the heating reaction can be 60°C, 65°C, 70°C, 75°C, 80°C or any value between 60°C-80°C, and the time can be 1h, 2h, 4h, 6h, 8h, 10h, 12h, 14h, 16h, 18h, 20h, 22h, 24h or any value between 1h-24h; the UV curing reaction time can be 5min, 10min, 15min, 20min, 25min, 30min, 35min, 40min, 45min, 50min, 55min, 60min or any value between 5min-60min.

[0051] The application also provides a use of the adhesive for the production of optical products.

[0052...

Embodiment 1

[0055] The present embodiment provides a kind of adhesive and preparation method thereof, specifically as follows:

[0056] Mix 2.8g of acrylic acid, 1.2g of deep eutectic solution mixed with urea and choline chloride at a molar ratio of 2:1, and 79mg of 1-hydroxycyclohexyl phenyl ketone (PI184), and vacuum degas for 30s. After coating the precursor liquid on the substrate, it is cured by ultraviolet light. Light source power density is 50mW / cm 2 , time 10min.

[0057] figure 1 Schematic photo of the performance of the adhesive obtained in Example 1 for lifting heavy objects (the bonding area of ​​the adhesive is approximately 7 square centimeters, and the weight to be lifted weighs about 24 kg). figure 1 Show that the adhesive obtained by the present application has excellent adhesive properties.

Embodiment 2

[0059] The present embodiment provides a kind of adhesive and preparation method thereof, specifically as follows:

[0060] Mix 2.8g of acrylic acid, 1.2g of a deep eutectic solution of 1,4-butanediol and choline chloride at a molar ratio of 2:1 and 79mg of 1-hydroxycyclohexyl phenyl ketone (PI184), After vacuum degassing for 30s, the precursor liquid is coated on the substrate and cured by ultraviolet light. Light source power density is 50mW / cm 2 , time 10min.

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Abstract

The invention provides an adhesive, a preparation method and application thereof. The adhesive is prepared from the following raw materials in percentage by mass: 40-90% of an acrylic monomer, 5-50% of a hydrogen bond acceptors and 1-5% of an initiators. Wherein the acrylic monomer and the hydrogen bond acceptor form a polymerizable deep eutectic solvent. The preparation method of the adhesive comprises the following steps: mixing the raw materials, and reacting to obtain the adhesive. The adhesive is used for producing optical products. The adhesive provided by the invention can be well dissolved by water, so that the adhesive is separated from an adhered base material, and the cost and safety of raw materials are reduced while the performance is improved.

Description

technical field [0001] The application relates to the field of materials, in particular to an adhesive and its preparation method and use. Background technique [0002] Adhesives play important roles in everyday life such as medical, electronics, home construction and automotive. In the past decade, many adhesives with unique uses have been successfully developed, including underwater adhesives, water-based adhesives, low-temperature resistant adhesives, etc. However, in other special fields, such as in the process of drilling and slicing optical lenses, it is necessary to use glue to firmly adhere the processed object to the bracket during processing. After that, the workpiece needs to be disengaged from the bracket under certain external stimuli. Traditionally, methods such as immersion in organic solvents, heating, and UV irradiation are usually required to separate adhesives and adhesives, but this is not only energy-intensive and time-consuming, but also causes enviro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J4/02C09J11/06
CPCC09J4/00C09J11/06
Inventor 朱世平黄帅帅万一辰张祺
Owner THE CHINESE UNIV OF HONG KONG SHENZHEN
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