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High toughness and high temperature resistant uv peelable adhesive and its preparation method and use

A technology with high temperature resistance and high toughness, applied in the direction of adhesives, non-polymer adhesive additives, polyether adhesives, etc., can solve the problems of poor toughness of the adhesive layer, and achieve easy peeling, convenient operation, and simple preparation methods Effect

Active Publication Date: 2022-03-04
上海捷固智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the use of inorganic fillers, there will be a problem of poor toughness of the adhesive layer

Method used

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  • High toughness and high temperature resistant uv peelable adhesive and its preparation method and use
  • High toughness and high temperature resistant uv peelable adhesive and its preparation method and use
  • High toughness and high temperature resistant uv peelable adhesive and its preparation method and use

Examples

Experimental program
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Effect test

preparation example Construction

[0027] The preparation of UV-curable peelable blue glue composition comprises the following steps:

[0028] The UV-curable blue glue composition of the present invention can be prepared by putting each raw material of the adhesive composition into the mixing tank sequentially according to the proportioning requirements, and stirring according to a certain speed and time. The preparation process is carried out under normal temperature and pressure, and needs to be protected from light.

Embodiment 1

[0030] 1. Put 20g of aliphatic polyurethane acrylate oligomer DR-U315, 10g of hydroxyethyl acrylate, 40g of polyethylene glycol di(meth)acrylate (molecular weight 512) and 5g of sodium lauryl sulfate into the mixing tank Stirring in , the stirring speed was set at 1000rpm / min, and stirred for 20 minutes;

[0031] 2. Add 3g of 1-hydroxycyclohexyl phenyl ketone and 1g of 2,4,6-(trimethylbenzoyl) diphenylphosphine oxide, and 0.1g of 2,6-dibutyl-4- After methyl phenol is weighed, drop into stirring tank successively and stir, stirring speed is set as 1000rpm / min, and stirring time is 30 minutes;

[0032] 3. Filter and package the mixture in the mixing tank to obtain UV peelable adhesive with high toughness and high temperature resistance; the product performance test data are shown in Table 3.

Embodiment 2

[0034] 1. Put 25g aromatic polyurethane acrylate oligomer CN9782, 30g isocylacrylate, 20g amino-modified polyethylene glycol acrylate, 20g ethoxylated bisphenol A (meth)acrylate and 8g alkyl polyether After weighing, put it into the mixing tank and stir, the stirring speed was set at 900rpm / min, and stirred for 20 minutes;

[0035] 2. After weighing 4g of 1-hydroxycyclohexyl phenyl ketone, 1g of 2,4,6-(trimethylbenzoyl) diphenylphosphine oxide and 0.1g of tris(hexadecanyl alcohol) ester, Put it into the mixing tank and stir, the stirring speed is set to 1200rpm / min, and the stirring time is 40 minutes;

[0036] 3. Weigh 0.5g of blue pigment VP3491, 0.5g of dispersant BYK2008, and 0.2g of leveling agent, put them into the mixing tank, set the stirring speed at 1200rpm / min, and stir for 35 minutes;

[0037] 4. Filter and package the mixture in the mixing tank to obtain UV peelable adhesive with high toughness and high temperature resistance; the product performance test data ar...

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Abstract

The invention relates to a UV peelable adhesive with high toughness and high temperature resistance and its preparation method and application, which mainly solves the problem in the prior art that the UV peelable adhesive film becomes hard and difficult to peel under high temperature conditions. The raw material composition of the present invention is calculated by weight percentage, and includes the following components: 10-40% of polyurethane acrylate oligomer, 0-5% of multifunctional acrylate monomer, and 10-10% of monofunctional acrylate monomer I with molecular weight less than 500 30%, 18-51% of acrylate monomer II with a molecular weight greater than 500, 0.5-5% of photoinitiator, 0.5-10% of surfactant, and 0-6% of auxiliary agent; the invention also proposes the above-mentioned high toughness and high temperature resistant A method for preparing UV peelable adhesive. The UV peelable adhesive prepared by the method has the advantages of high temperature resistance, peelability, good toughness, good reliability and 100% solid content. It can be used to provide temporary protection in high temperature operation or chemical corrosion operation.

Description

technical field [0001] The invention relates to a UV peelable adhesive with high toughness and high temperature resistance, a preparation method and application thereof. Background technique [0002] With the development of society, many industries need temporary protection of materials under the limitation of technology. In the case that a certain process may damage the material, use UV glue to stick it, remove it after sufficient protection, and then proceed to the next process. Due to different process operations, there are also various requirements for temporary protective colloids, such as high temperature resistance, corrosion resistance of various chemicals, CNC fine cutting resistance, and no falling off during high temperature and vibration generated by cutting. . Traditional UV peelable adhesives are formulated by selecting a resin with low adhesion to the substrate and combining some conventional monomers, such as isobornyl methacrylate or some monomers that do ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J175/14C09J171/02C09J171/00C09J11/06
CPCC09J175/14C09J11/06C08L2205/02C08L2205/03C08L2205/025C08L2201/08C08L71/02C08K5/13C08K5/41C08L71/00C08K5/10C08K5/375
Inventor 胡元俊温万忠
Owner 上海捷固智能科技有限公司
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