UV curing pressure-sensitive adhesive and preparation method thereof

A curing pressure and light curing agent technology, applied in the field of pressure-sensitive adhesives, can solve problems such as easy peeling off, weak bonding, and reduced adhesive force, and achieve low production costs, high production efficiency, and moderate glue viscosity. Effect

Inactive Publication Date: 2019-12-20
KUNSHAN BYE MACROMOLECULE MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Pressure-sensitive adhesive products are widely used in tapes, protective films, labels and other industries. Traditional pressure-sensitive adhesive products are heat-cured products. After processing or packaging, they are completely cured by UV irradiation, which greatly reduces the adhesive force and is easy to peel off. Relatively weak

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The invention provides the following technical solutions: a UV-curable pressure-sensitive adhesive made of the following raw materials in parts by weight: 40 parts of butyl acrylate, 20 parts of hydroxyethyl acrylate, 3 parts of acrylic acid, 1,6-hexyl 10 parts of diol diacrylate, 1 part of 4-acryloylmorpholine, 8 parts of isocyanoethyl methacrylate, and 0.6% of the initiator accounting for the total mass fraction of the above components, 0.8% of the photoinitiator, 0.05% Molecular weight modifier, 10% diluent and 0.03% photocuring agent.

[0021] The preparation method of above-mentioned a kind of UV curing pressure-sensitive adhesive, comprises the following steps:

[0022] S1, butyl acrylate, hydroxyethyl acrylate, acrylic acid, 1,6-hexanediol diacrylate, 4-acryloylmorpholine, and isocyanoethyl methacrylate are added to the reaction kettle, stirred evenly, and heating;

[0023] S2. While stirring, add the initiator and 60% molecular weight regulator, slowly add dro...

Embodiment 2

[0033] The invention provides the following technical solutions: a UV-curable pressure-sensitive adhesive made of the following raw materials in parts by weight: 45 parts of butyl acrylate, 30 parts of hydroxyethyl acrylate, 4 parts of acrylic acid, 1,6-hexyl 15 parts of diol diacrylate, 3 parts of 4-acryloylmorpholine, 12 parts of isocyanoethyl methacrylate and 0.9% of the total mass fraction of the above components accounted for the initiator, 0.9% of the photoinitiator, 0.06% Molecular weight modifier, 13% diluent and 0.05% photocuring agent.

[0034] The preparation method of above-mentioned a kind of UV curing pressure-sensitive adhesive, comprises the following steps:

[0035] S1, butyl acrylate, hydroxyethyl acrylate, acrylic acid, 1,6-hexanediol diacrylate, 4-acryloylmorpholine, and isocyanoethyl methacrylate are added to the reaction kettle, stirred evenly, and heating;

[0036] S2. While stirring, add the initiator and 70% molecular weight regulator, and slowly add...

Embodiment 3

[0046] The invention provides the following technical solutions: a UV-curable pressure-sensitive adhesive made of the following raw materials in parts by weight: 60 parts of butyl acrylate, 45 parts of hydroxyethyl acrylate, 4 parts of acrylic acid, 1,6-hexyl 25 parts of diol diacrylate, 3 parts of 4-acryloylmorpholine, 16 parts of isocyanoethyl methacrylate and the initiator accounting for 0.9% of the total mass fraction of the above components, 1.2% of photoinitiator, 0.06% Molecular weight modifier, 17% diluent and 0.07% photocuring agent.

[0047] The preparation method of above-mentioned a kind of UV curing pressure-sensitive adhesive, comprises the following steps:

[0048] S1, butyl acrylate, hydroxyethyl acrylate, acrylic acid, 1,6-hexanediol diacrylate, 4-acryloylmorpholine, and isocyanoethyl methacrylate are added to the reaction kettle, stirred evenly, and heating;

[0049] S2. While stirring, add initiator and 80% molecular weight regulator, slowly drop into the ...

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PUM

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Abstract

The invention belongs to the technical field of pressure-sensitive adhesives, and particularly relates to a UV curing pressure-sensitive adhesive and a preparation method thereof. The UV curing pressure-sensitive adhesive is prepared from the following raw materials in parts by weight: 40-70 parts of butyl acrylate, 20-60 parts of hydroxyethyl acrylate, 3-5 parts of crylic acid, 10-30 parts of 1,6-hexanediol diacrylate, 1-5 parts of 4-acryloylmorpholine, 8-20 parts of isocyanatoethyl methacrylate, an initiator accounting for 0.6%-1.2% of the total quality score of the components and a photoinitiator accounting for 0.8%-1.5% of the total quality score of the components; and azodiisobutyronitrile or tert-amyl peroxyvalerate is used as the initiator, the relative molecular mass of a triggeredand polymerized acrylate polymer is less, molecular weight distribution is wide, and viscosity of a glue solution is moderate. Prepared pressure-sensitive tape can meet the requirements of environmental protection, energy saving and high efficiency in the production of tape in the field of electronic industry, meanwhile, high adhesion requirements are achieved, the preparation method is simple inprocess, operation and control are convenient, the quality is stable, the production efficiency is high, the production cost is low, and large-scale industrial production can be achieved.

Description

technical field [0001] The invention belongs to the technical field of pressure-sensitive adhesives, and in particular relates to a UV-cured pressure-sensitive adhesive and a preparation method thereof. Background technique [0002] In recent years, in response to rising labor costs, the demand for automated production and improved labor productivity has been increasing. At the same time, the voice of environmental protection and energy saving has also rapidly increased. Among them, UV light curing technology has low VOC emissions, fast curing speed, energy saving, coating Good cloth performance, no waste, suitable for high-speed automatic production lines and many other advantages, so it is widely used in industrial fields such as coatings, printing, inks, dental materials, self-adhesive tapes and other products in different fields. In the field of adhesives, pressure-sensitive adhesive products are widely used Used in various industries such as packaging, electrical applia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J133/08C09J135/02C08F265/06C08F222/20C08F220/18C08F220/20C08F220/06C08F222/14C08F220/58C08F220/36C08F2/38C08F2/48C08F4/04C08F4/34
CPCC08F2/38C08F2/48C08F4/04C08F4/34C08F220/18C08F265/06C09J133/24C08L35/02
Inventor 喻四海刘宇施法宽张世友刘佳周开奕赵娇娇
Owner KUNSHAN BYE MACROMOLECULE MATERIAL CO LTD
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