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Novel single-component adhesive and preparation method thereof

A single-component, adhesive technology, applied in the direction of adhesives, non-polymer adhesive additives, adhesive types, etc., can solve the problems of high temperature resistance, poor thermal shock resistance, etc., achieve high shear strength, economical High efficiency and guaranteed stability

Pending Publication Date: 2022-07-22
镇江利德尔复合材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There are many varieties of one-component adhesives currently on the market, but they are generally poor in high temperature resistance, oil resistance, and thermal shock resistance. The high temperature resistance and oil resistance of the adhesive when it is bonded to the surface of the polymer material requires further optimization and improvement of the formulation and preparation process of the adhesive in the prior art

Method used

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  • Novel single-component adhesive and preparation method thereof

Examples

Experimental program
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Effect test

preparation example Construction

[0044] In this application, the ground black pulp can be made and purchased; there is no special restriction on the purchase of the manufacturer, and the preparation method can refer to the following steps:

[0045] Mix carbon black and 128 base resin in a weight ratio of 1:1.8 and grind to get it.

[0046] The carbon black is commercially available, and the 128 matrix resin is purchased from Jiangsu Yangnong Chemical Co., Ltd.

[0047] In some preferred embodiments, the filler is selected from one or more compounds of calcium carbonate, mica powder, talc, and barium carbonate.

[0048] In some preferred embodiments, the filler is selected from calcium carbonate and mica powder.

[0049] In some preferred embodiments, the weight ratio of calcium carbonate and mica powder is 26:(2-3).

[0050] During the experiment, the applicant found that although the latent curing agent selected to add improved the stability of the adhesive, the applicant found that the addition of the lat...

Embodiment 1

[0071] A new type of one-component adhesive, the preparation raw materials are calculated in parts by weight, including: 20 parts of epoxy resin, 25 parts of modified epoxy resin, 0.1 part of fumed silica, 1 part of black paste, 0.001 part of defoamer, 0.05 part of joint agent, 5 parts of curing agent and 25 parts of filler.

[0072] The epoxy resin is bisphenol A type epoxy resin, model E51, purchased from Guangxi Zhechuang Chemical Co., Ltd.;

[0073] Described modified epoxy resin is polyurethane modified epoxy resin, model EPU-303, purchased from Hehe High-tech Materials (Shanghai) Co., Ltd.;

[0074] Described fumed silica is hydrophobic silica, purchased from Weifang Hengshuo Nanomaterials Co., Ltd.;

[0075] The black slurry is prepared in an experiment, and the preparation method is as follows: mixing carbon black and 128 matrix resin at a weight ratio of 1:1.8, grinding, and obtaining.

[0076] Described 128 matrix resin was purchased from Jiangsu Yangnong Chemical ...

Embodiment 2

[0086] A new type of one-component adhesive, the preparation raw materials are calculated in parts by weight, including: 35 parts of epoxy resin, 40 parts of modified epoxy resin, 1 part of fumed silica, 5 parts of black paste, 0.005 part of defoamer, 0.5 part of joint agent, 20 parts of curing agent and 50 parts of filler.

[0087] The epoxy resin is bisphenol A type epoxy resin, model E51, purchased from Guangxi Zhechuang Chemical Co., Ltd.;

[0088] Described modified epoxy resin is polyurethane modified epoxy resin, model EPU-303, purchased from Hehe High-tech Materials (Shanghai) Co., Ltd.;

[0089] Described fumed silica is hydrophobic silica, purchased from Weifang Hengshuo Nanomaterials Co., Ltd.;

[0090] The black slurry is prepared in an experiment, and the preparation method is as follows: mixing carbon black and 128 matrix resin at a weight ratio of 1:1.8, grinding, and obtaining.

[0091] Described 128 matrix resin was purchased from Jiangsu Yangnong Chemical C...

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Abstract

The invention belongs to the technical field of adhesives, and particularly relates to a novel single-component adhesive and a preparation method thereof. The preparation raw materials of the novel single-component adhesive at least comprise epoxy resin and / or modified epoxy resin, and further comprises 0.1-1.5 parts of fumed silica. The novel single-component adhesive and the preparation method thereof provided by the invention have high temperature resistance and impact resistance; the novel single-component adhesive provided by the invention solves the problem of'wet inside and dry outside 'in the sizing process, ensures the coating stability of the novel single-component adhesive on the surfaces of materials such as metal and the like, and can ensure that the shear strength is not changed after the novel single-component adhesive is placed at 150 DEG C for 1 month.

Description

technical field [0001] The invention belongs to the technical field of adhesives, and more particularly relates to a novel one-component adhesive and a preparation method thereof. Background technique [0002] Adhesive refers to a material with good adhesive properties that can form a film between the surfaces of two objects and firmly bond them together. It is formulated with ingredients such as agents. Most Chinese adhesive companies were established in the 1980s and 1990s and started late. However, at this stage, Chinese companies have great potential for development in the adhesive industry. For example, there are many development opportunities for adhesives in the fields of automobiles, packaging, new energy, and construction. [0003] At present, there are many varieties of one-component adhesives on the market, but they are generally poor in high temperature resistance, oil resistance, and thermal shock resistance. The high temperature resistance and oil resistance...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J163/00C09J11/04
CPCC09J163/00C09J11/04C08K2003/265C08L2205/025C08L2201/08C08L63/00C08K3/36C08K3/26C08K3/34
Inventor 谢富平陆璐侃王雨亭
Owner 镇江利德尔复合材料有限公司
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