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Encyclopedia of Coupling Agents
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Encyclopedia of Coupling Agents
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Encyclopedia of Water Absorbents
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2020-10
27
Instructions for the use of silane coupling agents and principles for their application in the chemical industry
When silane coupling agents are used as thickening agents, they mainly form chemical and hydrogen bonds with polymers; Wetting and surface energy effects; Titanium ester coupling agents improve polymer crystallinity, acid-base reactions, and the formation of interpenetrating polymer networks. The th
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2020-10
27
The influence of silane coupling agent on the durability of glass and aluminum bonding
The influence of silane coupling agent on the durability of glass and aluminum bonding1. Introduction: Silane coupling agents have an organic-inorganic hybrid structure and are used to improve the adhesion between adhesives and surfaces. The earliest developed silane coupling agent was used to impro
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2020-10
27
Three major applications of silane coupling agents
The three major applications of silane coupling agents:1. Surface treatment:It can improve the bonding performance between glass fiber and resin, enhance the strength, electrical, water resistance, weather resistance and other properties of glass fiber reinforced composite materials. Even in wet con
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2020-10
27
Usage and principles of silane coupling agent
1、 General principles for selecting silane coupling agentsIt is known that the hydrolysis rate of silane coupling agents is determined by the silicon group Si-X, while the reactivity with organic polymers is determined by the carbon functional group C-Y. Therefore, it is crucial to choose the appro
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2020-10
27
Silane coupling agent is the most widely used and widely used coupling agent in various fields
Silane coupling agent is a coupling agent with a wide range of applications and high usage. In its molecule, there are two different chemical groups that can bind with both inorganic and organic materials. Usually, it is difficult to combine organic and inorganic materials, and the special structure
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2020-10
27
The mechanism of action of silane coupling agent
The significant effect of silane coupling agents in improving the performance of composite materials has long been confirmed, and there are many theories to explain their mechanism of action. The most successful is the chemical bond theory proposed by Arkles, which involves the synthesis of silanol
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2020-10
27
What are the specific usage methods commonly used for silane coupling agents
1. Surface pretreatmentPrepare a dilute solution of 0.5-1% concentration of silane coupling agent, and apply a thin layer on the clean surface to be adhered. After drying, the adhesive can be applied. The solvents used are mostly water, alcohol (methanol for methoxysilane and ethanol for ethoxysilan
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2020-10
27
Two commonly used methods of using silane coupling agents
Surface pretreatment methodPrepare a dilute solution of 0.5-1% concentration of silane coupling agent, and apply a thin layer on the clean surface to be adhered. After drying, the adhesive can be applied. The solvents used are mostly water, alcohol, or a mixture of water and alcohol, and it is
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