How to improve the anti aging and anti shrinkage properties of nanomaterials?

How to improve the oxidation resistance and shrinkage resistance of nanomaterials, in fact, this is still a certain degree of difficulty, generally speaking, the newly bought nanomaterials or other materials can be scalded with hot water, and may be directly sent out so that it will resist some shrinkage properties.

In order to improve the anti-aging performance and anti-search performance of nanomaterials, first of all, the position of the nanomaterials must be good, such as heat insulation or moisture insulation, so that it is possible. His shrinkage and presbyopia are a little lower.

Well, first of all, you need to add some polymer materials to improve this performance of nanomaterials.

To improve the anti-aging performance of nano, I think it must be operated in accordance with the regulations, and the effect is good.

The length of each nanometer is anti-aging, if it can output your **, it means that you are very suitable for this product.

Nano itself is an anti-aging one, but whatever? It also has the ability to age.

How to improve the anti-aging and anti-shrinkage properties of nanomaterials? It can be done with chemical materials!

How to improve the anti-aging performance of nanomaterials and good shrinkage resistance? This depends on his actual substance and their milk-resistant properties.

Molybdenum disulfide (MOS2) is a good anti-friction material with good friction properties, and is an important solid lubricant and liquid lubricant additive.

Nanoparticles have the unique small size effect, surface interface effect, quantum size effect and macroscopic quantum tunneling effect m & n unique to nanoparticles, and are used in sunscreen cosmetics due to their extremely strong ultraviolet shielding ability. As a photocatalytic material, nano titanium dioxide is a photocatalytic material with strong photooxidation ability, chemical stability and non-toxicity, which is used for air purification, deodorization, antifouling, and antibacterial. Used in metallic glitter coatings, it can improve the effect of the off-color effect with the angle.

Adding it to exterior wall emulsion paint can reduce the erosion of the coating film by ultraviolet rays, improve the color vividness, anti-aging performance and scrub resistance of the coating film, thereby improving the quality of domestic coatings.

Molybdenum disulfide (MOS2) is a good anti-friction material with good friction properties and is used as an important one.

Solid lubricants and liquid lubricant additives are widely used in machinery, aviation, automobiles, light industry and other fields. Nanometre.

MOS2 has small particles, high activity, and is easy to evenly disperse in lubricating oil, which can greatly improve lubrication performance. Root.

The aim of the work was to synthesize nano-MOS2 additives by chemical methods.

MOS2 has a layered structure arranged in (s-mo-s) and is bound by weaker covalent bonds between layers, which makes .

MoS2 is prone to slippage between layers, while on the other hand, there is a comparison between Mo and S atoms within the same layer of MoS2.

The strong chemical bonding gives the MOS2 layer high mechanical strength and chemical stability. MOS2 is a unique lamellar knot.

The composition and physicochemical properties determined by the structure make MOS2 a lubricating material with excellent performance. But the surface is not.

The modified MOS2 oil has poor dispersibility and is difficult to disperse in organic media, which greatly limits the use of MOS2 as a lubricating material.

applications. Surface modification can solve the problem of poor dispersion of MOS2 oil. Oleic acid acts as a less toxic surface.

Modifiers have been successfully used in oxides, but their use as surface modifiers in sulfides has not been reported in the literature. This study.

In order to solve the shortcomings of the prior art, oleic acid and stearic acid are selected as surface modifiers to explore a simple operation

A new method for preparing oil-dispersed molybdenum disulfide with low toxicity, good oil dispersibility and easy industrialization of surface modifiers.

2. Technical indicators.

1) Successful synthesis of oil-dispersed nano-MOS2 materials.

XRD results showed the formation of MOS2 species, and TEM studies showed the formation of MOS2 particles around 20 nm.

IR spectroscopy and XPS studies showed that lipophilic groups were formed on the surface of nano-MOS2. Proven by the oil dispersion performance test, the.

The MOS2 prepared by the method can be dispersed in commonly used organic solvents such as carbon tetrachloride, cyclohexane, petroleum ether, liquid paraffin, etc.

2) It has good lubrication and repair performance.

The coefficient of friction is slightly lower than that of commodity 2H-MOS2, and its value is: 0 025-0 028. The coefficient of friction increases with load.

No significant changes.

By balancing the vulcanization system and the effective vulcanization system, using heat-resistant aging adhesives, and using amine antioxidants, the aging of rubber can be improved@!

It is not that the harder the rubber, the easier it is to age.

Different types of polymers can be used for hardening. For example: 1. High pressure polyethylene and high styrene with low melt flow index can be used for hardening of natural rubber, styrene-butadiene rubber and other rubber grades. 2. Grade B phenolic resin and polyvinyl chloride are more suitable for the hardening of nitrile rubber.

Aging is also divided into various types of aging, including fatigue aging, ozone aging, thermal aging, etc. An anti-aging system that needs to be used for different situations.

The perfect application of nanotechnology in coating products mainly includes dozens of varieties such as interior walls, exterior walls, antibacterial latex paints, primers, etc. The performance of the product has been greatly improved: nano's unique double percolusability, non-sticky water, non-sticky oil, and resistant to washing and brushing up to tens of thousands of times; Super adhesion and elasticity, no hollowing, no peeling, no cracking; The ultraviolet shielding function of nanomaterials greatly improves the aging resistance, does not fade for a long time, and has a service life of more than ten years; Unique photocatalytic effect, self-cleaning function, can prevent mildew and sterilization, and purify the air.

Depending on the coating application:

1. Exterior wall coatings.

If users need to improve the anti-aging, scrubbing and anti-staining properties of the coating, it is recommended to use it alone or in combination with medium and high-grade coatings. The former dosage is 1-5%, the latter dosage is nano titanium oxide, nano silicon is, for medium and low-grade coatings, the nano material dosage is 1-2%, mainly with nano silicon oxide, no or less nano titanium oxide. Generally speaking, the amount of nanomaterials should be as high as possible within the cost allowable range, and in the case of strict control of the cost, it is recommended that customers determine the optimal amount of nanomaterials through experiments to make it cost-effective.

2. Interior wall coatings.

If the user has higher requirements for indoor air quality, nano titanium oxide or rice anion powder can be used to purify the air, and nano antibacterial materials or nano zinc oxide can be used to improve antibacterial and anti-mildew performance. Users can improve the leveling, anti-fouling performance and thickening performance of the coating by combining nano titanium oxide and nano silicon oxide, the recommended dosage (1-3%), single use, composite can be used, the use of negative ions and anatase nano titanium oxide can improve the ability of the coating to purify the air.

3. Special coatings.

Antistatic coatings, used in places with high antistatic requirements such as computer rooms;

Wear-resistant coatings, the use of nano zirconia, nano cobalt oxide, etc., can significantly improve the hardness and wear resistance of the coating;

Corrosion-resistant coatings, nano silicon oxide, nano titanium oxide, nano zinc oxide alone or in combination can improve the corrosion resistance of coatings, especially the ability to resist seawater corrosion;

Fire retardant coating, if there is a requirement for the fire performance of the coating, it is recommended to use nano magnesium oxide, and the addition amounts are respectively.

3. Several nanomaterials commonly used in coatings.

Nanomaterials are recommended to add the amount of action.

Nano-scale titanium oxide enhances anti-ultraviolet rays, photocatalytic catalysts, antibacterial materials, and air cleaning.

Nano-scale silicon oxide thickens, improves suspension, and corrosion resistance.

Nanoscale zinc oxide enhances the strength and compactness, adhesion and finish of coatings.

Nano antibacterial material is antibacterial and mildew-proof.

Nano-scale alumina enhances wear and water resistance.

Nanoscale magnesium oxide fire performance.

4. Suggested dispersion methods for nanomaterials in coatings.

In the state of low-speed stirring, first pour a certain amount of nanomaterials into deionized water according to the required amount, and add appropriate dispersants, stirring while feeding, after all the materials are added, emulsify or disperse at high speed for half an hour, and then mix with the coating system, stirring at medium speed for a period of time. Customers can also follow their own dispersion process.

To enhance the anti-aging performance of polyethylene film, you need to add metallocene PE to enhance the performance of PE film. In short, it is beneficial for you to find more people in the industry to communicate, and you can also find some people who do metallocene PE and ask, how much proportion to add.

In fact, there is an easier way to add anti-aging masterbatch. According to your requirements, such as half a year, one year, or three years, different anti-aging masterbatches can be designed. The addition ratio will not be too much.

Convenient. If you still have doubts, remember to find me, and I won't advertise. Thank you!

Properties of nanomaterials.

Due to the extremely small grain size and large surface area of nanomaterials, the fraction of atoms arranged disorderly on the surface of the grain is much larger.

The percentage of atoms on the surface of crystalline materials leads to many peculiarities of nanomaterials that are not found in traditional solids.

Fundamental properties such as volume effects, surface effects, quantum size effects, macroscopic quantum tunneling effects, and dielectric confinement effects.

so that nanomaterials have microwave absorption properties, high surface activity, strong oxidation, superparamagnetism and absorption.

The spectral manifestation of obvious blue shift or red shift phenomenon, etc. In addition to the above-mentioned basic properties, nanomaterials also have special optics.

Properties, catalytic properties, photocatalytic properties, photoelectrochemical properties, chemical reaction properties, chemical reaction kinetic properties.

and special physical and mechanical properties.

What are the amazing nanomaterials.