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A packaging material with high adhesion to magnesium and aluminum alloys and its preparation method

A packaging material and high adhesion technology, which is applied in the field of electronic product packaging, can solve problems such as product quality degradation, metal substrate corrosion, and impact on packaging strength, and achieve the effect of reducing corrosion and good corrosion resistance

Active Publication Date: 2021-08-13
常州汉索电子材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, conventional packaging materials are generally acidic, which will corrode the metal substrate and affect the packaging strength, which will lead to a serious decline in product quality.

Method used

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  • A packaging material with high adhesion to magnesium and aluminum alloys and its preparation method
  • A packaging material with high adhesion to magnesium and aluminum alloys and its preparation method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The invention provides a packaging material with high adhesion to magnesium and aluminum alloys. The packaging material is composed of a main agent A and a curing agent B. The main agent A is composed of an acrylic monomer, a toughening agent, and a phosphate ester functional unit. Body, accelerator, stabilizer, corrosion inhibitor and silane coupling agent; the curing agent B is composed of initiator, toughener and thickener.

[0027] In parts by weight, in the main agent A: 50 parts of the acrylic monomer, 20 parts of the toughening agent, 10 parts of the phosphate ester functional monomer, 5 parts of the accelerator, the stabilizer 3 parts, 1.5 parts of the corrosion inhibitor, 2 parts of the silane coupling agent; in the curing agent B: 30 parts of the initiator, 50 parts of the toughening agent, and 3 parts of the thickener.

[0028] The acrylic monomer is composed of methyl methacrylate and ethyl methacrylate, the toughening agent is styrene-butadiene rubber, and ...

Embodiment 2

[0034] The invention provides a packaging material with high adhesion to magnesium and aluminum alloys. The packaging material is composed of a main agent A and a curing agent B. The main agent A is composed of an acrylic monomer, a toughening agent, and a phosphate ester functional unit. Body, accelerator, stabilizer, corrosion inhibitor and silane coupling agent; the curing agent B is composed of initiator, toughener and thickener.

[0035] In parts by weight, in the main agent A: 40 parts of the acrylic acid monomer, 25 parts of the toughening agent, 12 parts of the phosphate ester functional monomer, 4 parts of the accelerator, and 4 parts of the stabilizer 2 parts, 3 parts of the corrosion inhibitor, 1 part of the silane coupling agent; in the curing agent B: 40 parts of the initiator, 70 parts of the toughening agent, and 2 parts of the thickener.

[0036]The acrylic monomer is composed of methyl acrylate, ethyl acrylate and methacrylate laurate, the toughening agent is ...

Embodiment 3

[0042] The invention provides a packaging material with high adhesion to magnesium and aluminum alloys. The packaging material is composed of a main agent A and a curing agent B. The main agent A is composed of an acrylic monomer, a toughening agent, and a phosphate ester functional unit. Body, accelerator, stabilizer, corrosion inhibitor and silane coupling agent; the curing agent B is composed of initiator, toughening agent and thickener.

[0043] In parts by weight, in the main agent A: 60 parts of the acrylic acid monomer, 15 parts of the toughening agent, 15 parts of the phosphate ester functional monomer, 8 parts of the accelerator, and 8 parts of the stabilizer 3 parts, 2 parts of the corrosion inhibitor, 3 parts of the silane coupling agent; in the curing agent B: 25 parts of the initiator, 45 parts of the toughening agent, and 5 parts of the thickener.

[0044] The acrylic acid monomer is 2-hydroxyethyl methacrylate, the toughening agent is ABS engineering resin, and ...

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Abstract

The invention provides a packaging material with high adhesion to magnesium and aluminum alloys and a preparation method thereof. The packaging material is composed of a main agent A and a curing agent B, in parts by weight: the main agent A consists of 35- 80 parts of acrylic monomer, 10-30 parts of toughening agent, 5-15 parts of phosphate functional monomer, 1-10 parts of accelerator, 1-5 parts of stabilizer, 0.1-3 parts of corrosion inhibitor and 0.1-3 parts Silane coupling agent composition; The curing agent B consists of 5-50 parts of initiator, 30-80 parts of toughening agent and 0.5-5 parts of thickener. The encapsulation material provided by the present invention, because phosphate ester functional monomer and corrosion inhibitor are added in main agent A, phosphate ester functional monomer can increase the adhesive force of structural adhesive to magnesium aluminum alloy, and corrosion inhibitor can reduce structural adhesive to magnesium alloy. The corrosion of aluminum alloys improves the encapsulation and corrosion inhibition effects of magnesium and aluminum alloys through the joint action of phosphate ester functional monomers and corrosion inhibitors.

Description

technical field [0001] The invention relates to the technical field of packaging of electronic products, in particular to a packaging material with high adhesion to magnesium and aluminum alloys and a preparation method thereof. Background technique [0002] With the comprehensive application of new-generation information technologies such as the Internet of Things, big data, cloud computing, 4G / 5G and artificial intelligence, innovative consumer electronics products emerge in an endless stream. Electronic consumer products such as notebooks, tablet computers and smart phones are in our It has been widely popularized in life. Electronic products in the era of intelligence are becoming more and more lightweight and miniaturized, because there are more and more applications of portable electronic products, and smart phones are a typical example. More portable and miniaturized electronic products are emerging, such as wearable electronic products and various miniature products...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F220/14C08F220/18C08F230/02C08F220/20
CPCC08F220/14C08F220/20C08F230/02
Inventor 付红平施贤为金芬张吴一
Owner 常州汉索电子材料科技有限公司
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