N- (2-hydroxy) - 3-hydroxytrimethoxybenzophenone, this substance has a wide range of uses and is involved in many fields. In the field of light stabilizers, its role is significant. Today, many materials are prone to aging and fading in the light environment. N- (2-hydroxy) - 3-hydroxytrimethoxybenzophenone can effectively absorb ultraviolet rays, convert light energy into heat energy and dissipate it, thereby greatly slowing down the degradation and aging process of materials caused by light. Such as plastic products, whether it is daily plastic appliances, or plastic pipes in the construction field, plastic doors and windows, etc., after adding this material as a light stabilizer, its light resistance can be greatly improved and the service life can be extended. In the paint industry, it is also a key additive. Coatings are applied to the surface of objects and are affected by factors such as light and climate for a long time. Adding this substance can enhance the weather resistance of coatings, making them less susceptible to yellowing and powdering due to light. Whether it is a decorative coating for building exterior walls or a protective coating for metal surfaces, it can be used to improve quality and durability, maintaining the brightness of paint colors and the integrity of coatings. Furthermore, in the field of cosmetics, it also plays an important role. Long-term exposure to sunlight can damage the skin by ultraviolet rays, causing problems such as sunburn and sun aging. N - (2-hydroxy) - 3-hydroxytrimethoxybenzophenone can be added to cosmetics as a sunscreen ingredient to build a protective barrier for the skin, absorb ultraviolet rays, reduce the damage of ultraviolet rays to the skin, and play a role in sun protection and skin protection.

N- (2-amino) -3-aminotriethoxysilane, this substance has multiple chemical properties. Its molecules contain amino groups and ethoxy groups. The amino groups are basic and can react with acids to form salts, like interacting with hydrochloric acid to form corresponding ammonium salts; in organic synthesis, it is used as a nucleophilic reagent and nucleophilic substitution with halogenated hydrocarbons to form C-N bonds to build complex organic structures. Ethoxy groups are active in nature and are easily hydrolyzed in contact with water. They generate silanol and release ethanol. Hydrolysis produces silanol groups that can be condensed with each other to form siloxy bonds (Si-O-Si), thereby realizing self-polymerization or surface reaction with active groups, which is used for surface modification of materials and enhancing adhesion between materials. For example, in the preparation of composite materials, improve the compatibility of inorganic fillers with organic substrates and improve the comprehensive properties of materials. It is also an important silicone coupling agent. With its special structure, one end of the amino group reacts with organic materials (such as polymers and resins), and the other end of the ethoxy hydrolytic condensation is connected with inorganic materials (such as glass and metal oxides). It bridges between inorganic and organic materials and is widely used in coatings, adhesives, sealants and other fields to improve product performance and quality. For example, in coatings, it enhances the adhesion and weather resistance of the coating to the substrate; in adhesives, it improves the bonding strength and durability.

N- (2-Amino) -3-Aminotriethoxysilane requires many precautions during storage and transportation. This compound is reactive and sensitive to humidity. When storing, place it in a dry and cool place and seal it tightly to prevent contact with water vapor in the air. If exposed to humid environments, it will react with water, causing activity to decrease or even deteriorate, affecting subsequent use performance. During transportation, it is also necessary to ensure that the packaging is tight and protected from external water vapor. At the same time, due to the amino group, the substance may be corrosive and irritating. Therefore, the storage and transportation places should be well ventilated to avoid personnel inhaling volatile gaseous substances and causing damage to the respiratory tract. When operating, staff should take appropriate protective measures, such as wearing protective gloves, goggles and gas masks, to prevent skin and eyes from coming into contact with it. If you accidentally come into contact, you should immediately rinse with a lot of water and seek medical treatment according to the specific situation. In addition, N- (2-amino) -3-aminotriethoxysilane or chemical reactions with certain substances, storage and transportation should be avoided with strong oxidants, strong acids, strong bases, etc. Co-storage and transportation should be avoided to prevent dangerous reactions that endanger the safety of personnel and the integrity of goods. Only by strictly following relevant regulations and precautions can we ensure the safety and stability of the substance during storage and transportation.

To prepare N- (2-hydroxybenzyl) - 3-hydroxybenzyltriethoxysilane, the method is as follows: First take an appropriate amount of 2-hydroxybenzaldehyde and triethoxysilane and place them in a clean reactor. The kettle must be purged with nitrogen in advance to remove air to avoid impurities interfering with the reaction. The ratio of the two should be carefully prepared according to stoichiometry and experimental experience to ensure that the reaction is sufficient and efficient. Then, add an appropriate amount of catalyst. This catalyst needs to have good catalytic activity for the reaction of the two, and good selectivity to guide the formation of the target product. The amount of catalyst should not be too much or too little. Too much will lead to side reactions, and too little will slow down the reaction rate. Heat up to a suitable temperature, which needs to be explored through many experiments. If the temperature is too high, the product may decompose or cause side reactions to intensify; if the temperature is too low, the reaction will be difficult to start or proceed slowly. Keep the temperature stable. At the same time, use a magnetic stirrer or a mechanical stirring device to fully mix the reactants in the kettle, so that the probability of collision between molecules increases, and the reaction process is accelerated. During the reaction process, closely monitor the reaction process. Thin-layer chromatography (TLC) or other suitable analytical methods can be used to regularly sample and detect to clarify the consumption of reactants and the formation of products. When the reaction reaches the desired level, that is, the reactants are almost exhausted and the amount of product generated is stabilized, the heating is stopped and the reaction system is slowly cooled to room temperature. Next, the reaction mixture is post-treated. The product is often extracted with an organic solvent to separate it from the reaction system. The solvent used for extraction needs to have good solubility of the product and is easy to separate from other components in the reaction system. After extraction, the organic phases are combined, and a small amount of moisture is removed with an appropriate amount of desiccant to make the organic phase pure and dry. Finally, the organic phase is further purified by means of reduced pressure distillation or column chromatography. Vacuum distillation can separate the target product according to the difference of boiling point between the product and the impurity; column chromatography uses the difference of the distribution coefficient between the product and the impurity between the stationary phase and the mobile phase to achieve separation and purification. Through this series of steps, pure N- (2-hydroxybenzyl) -3-hydroxybenzyltriethoxysilane can be obtained.

N- (2-amino) -3-aminotriethoxysilane, the reaction characteristics of this compound with other substances are particularly critical, and it is related to many fields of chemical and material synthesis. This silane compound exhibits unique reactivity because it is rich in amino and ethoxysilyl groups in the molecule. Amino groups are nucleophilic and can react with many electrophilic reagents, such as alcaldes and ketones. In case of alcaldes, Schiff bases can be formed by nucleophilic addition. This reaction is often used in organic synthesis to construct nitrogen-containing heterocycles or to prepare organic intermediates with special structures. Its ethoxysilyl group can be hydrolyzed under specific conditions to form a silanol group, and then condensed with hydroxyl-containing substances, such as hydroxyl groups on the surface of glass and metal oxides, to form a strong chemical bond. Therefore, N- (2-amino) -3-aminotriethoxysilane is often used as a coupling agent to build a bridge between inorganic materials and organic materials to enhance the interfacial bonding force between the two. For example, in glass fiber reinforced plastics, it can closely connect the glass fiber to the resin matrix and improve the mechanical properties of the material. At the same time, because the amino group is basic and can react with acidic substances, it may also play a role in some acid-base neutralization or catalytic reaction systems. In addition, the compound can also participate in the polymerization reaction. By reacting with active groups such as amino groups and double bonds, the silane structure is introduced into the main chain or side chain of the polymer, giving the polymer special properties, such as water resistance and weather resistance improvement. These reaction characteristics make N - (2-amino) - 3 - amino triethoxysilane have wide application and research value in materials science, organic synthesis and other fields.