What is the specific working principle of organic esters as molding resin hardeners?
The mechanism is deep and delicate. The operation of this machine depends primarily on the source of power, whether it is water power, fire power, or other power, to start the operation.
When the power arrives, the various parts in the machine cooperate with each other. There are axles, which transmit power and turn endlessly, so that the force can be distributed everywhere. There is also a material department, which arranges the wood material contained in a specific way. Or cut it uneven, or grind its brown surface, so that the shape of the wood is gradually regular.
The key point is to inject a strengthening agent. This agent is specially made and contains various delicate ingredients. When the wood reaches a specific place, the agent is sprayed or impregnated in a precise amount to make the agent close to the wood. After the agent encounters the wood, it interacts with the fibers of the wood. Its molecules penetrate between the wood fibers, fill the gaps, and make the fibers stick to each other, as if they are integrated.
And the speed and force of mechanical operation can be adjusted. Depending on the material of the wood and the degree of firmness to be achieved, the operator can adjust it well. When the speed agent interacts with the wood for a long time, the stronger the effect is; if the speed is fast, the amount can be increased according to the needs. If the force is moderate, the wood will not be damaged, and the agent will be evenly distributed.
In this way, after a mechanical operation, the formed wood can be strengthened. The wood is dense and strong, and can be used in various ways, either as a beam or a column to support a large building; or as an appliance, which is durable. This is the general operation principle of mechanically making a curing agent for forming wood.
Organic esters are used as molding resin hardeners, which types of molding resins are usually suitable?
Where there are mechanical hardening of finished wood, there are many kinds of finished wood used. The common ones are pine, cypress, and cedar.
Pine, the ground is hard in the middle, straight, and the raw area is low. With the help of mechanical hardening, it can increase its degree of solidification, making it more wear-resistant and anti-corrosion. Such as the pine in the north, this principle can be used to build beams, and it can also be used to make exquisite wood. Its color is natural and sensitive.
Cypress, since ancient times, has a fragrant taste and natural anti-corrosion ability. With the help of mechanical hardening, its characteristics can be enhanced. Like cypress, its high-quality materials, hardening and processing, can be used for carving fine quality products, or as high-quality construction materials.
Fir, rapid growth, rich material sources. Its materials are low-quality and easy to process. Mechanical hardening, which can improve the quality, is widely used in furniture fabrication and house construction. Such as Fir in the south, it not only maintains its convenience, but also increases its support, which is beneficial for people's livelihood construction.
In addition, there are hardwoods such as elm and flock. Elm is rough and rough, and the ground is rough. Mechanical hardening, which can better retain its original appearance and improve the anti-shaping ability, is often used to create heavy and healthy furniture, such as tables, chairs, furniture, etc., which is both beautiful and beautiful. Wood, the material is uniform, and the color is elegant. Hardened wood, its surface is smooth and the wear resistance is good, and it is used for industrial products, or high-quality furniture parts, to show the beauty of fine.
In addition, different finished wood has its own characteristics, which is mechanical hardening, can avoid shortages, and is more effective in multiple operations, which meets the needs of people for the diversification of wood materials.
What are the effects of using organic esters as hardeners on the properties of the final product?
If the organic resin is used for forming lipid hardening, the performance of the product will be affected by multiple effects.
The first one is the degree of hardening. This hardening method can make the lipid form an intersection, so that the molecular arrangement is more dense. For example, in the case of large device components, this hardening method can be used to improve the degree of component strength, which can withstand greater external force without being easily molded or molded. However, if the amount of hardening is inappropriate, the degree of hardening of the lipid will greatly increase the brittleness of the material, and the degree of hardening will increase once, making it vulnerable to cracking.
Secondary hardening. Under normal circumstances, hardening can reduce the degree of lipid resistance to a certain extent. Due to the interaction, the activity of molecular segments is limited. For example, steam-making components require certain durability to ensure safety. If the durability is low due to hardening, the components may crack under a small external force, reducing the use of life.
Furthermore, the curing speed is affected. Different durability and dosage are hardened, and the curing speed difference is large. The hardening process is forced to combine during the production period, and the hardening process with fast curing speed can improve the production efficiency. However, if the curing speed is fast, it may cause the operation to be short, so that it has been cured before the grease is fully flowed and evenly divided, and the amount of product is affected, resulting in uneven product output and defects such as foam.
In addition, the chemical resistance is also affected. There is a resistance formed by the curing reaction of hardened grease, and the tolerance of the chemical medium is different. If the product is exposed to a corrosive environment, it is necessary to obtain a hardening product that can improve the chemical resistance, so that the lipid product is easily invaded by chemical substances, and the performance deteriorates gradually.
Organic esters are used as hardeners for molding resins. What are the precautions during storage and use?
"All saws are made of pig iron mud, otherwise they are brittle and easy to fold." Today's saw blades are mostly made of steel, which is tough and not easy to break. In the storage and use of saw blades, you need to pay attention to various things, as detailed below:
When storing, the first environment is dry. If it is in a humid place, the saw blade is prone to rust and rot, resulting in loss of sharpness and short lifespan. "Kaogong Ji" says: "There are six levels of gold, six points of gold and tin are one, which is called the unity of the bell tripod; five points of gold and tin are one, which is called the unity of the axe and catty." Metal objects are easily eroded by water vapor. Therefore, it is advisable to place the saw blade in a dry and ventilated place, or place a desiccant in a storage place to keep it dry.
Avoid collisions. The sharp edge of the saw blade is sharp, and collisions can easily cause defects in the cutting edge, which affects the cutting effect. When handling and placing, when handling with care, do not make them collide with each other, nor do they collide with hard objects.
As for the use, first check the condition of the saw blade. Check for cracks, deformation, and whether the edge is sharp. If there is a problem, repair or replace it in time to avoid affecting the work and prevent accidents. As the "Construction French" said, if you want to do a good job, you must first sharpen the tool.
When cutting, use even and moderate force. If the force is too strong, the saw blade will break easily; if the force is too light, the cutting efficiency will be low. The force should be adjusted according to the texture and thickness of the material. At the same time, keep the saw blade perpendicular to the cutting surface, so that the cutting line is carried out to ensure that the incision is flat.
During cutting, cool the saw blade in a timely manner. Cutting generates heat. Excessive temperature will make the saw blade anneal and soft, reducing hardness and wear resistance. Air cooling or water cooling can be used, such as spraying the saw blade with water to help it dissipate heat.
Clean the saw blade after each use. Remove sawdust and debris to prevent residual erosion of the saw blade. You can brush it with a brush, wipe it with a cloth, and then store it properly. In this way, the saw blade can be durable for a long time, which is a good help for work.
What are the advantages of organic esters over other molding resin hardeners?
The advantages of organophosphine are as follows:
First, in terms of promoting the lignification process, organophosphine has a unique effect. It can delicately regulate the balance of tree growth hormones, especially significantly enhancing the activity of lignin synthesis-related enzymes. For example, in many experiments, the activity of key lignin synthesis enzymes such as phenylalanine ammonia lyase and cinnamon alcohol dehydrogenase was greatly increased in trees treated with organophosphine, and the lignin synthesis was significantly increased, which rapidly thickened the tree cell wall and accelerated the lignification degree. Compared with traditional lignifying agents, it can increase the lignification degree of trees by nearly 20% in the same time, enabling trees to resist external environmental damage faster, and has obvious advantages in the cultivation of fast-growing tree species.
Second, organic phosphine has good safety. Some traditional lignifying agents contain heavy metals or toxic components, which may remain in the soil and trees after application, posing a potential threat to the ecological environment and biological health. The chemical properties of organic phosphine are stable, non-toxic and harmless, easy to degrade in the soil, and will not accumulate long-term residues. After repeated testing, the forest land where organic phosphine is applied has not been adversely affected by the soil microbial community structure, and no relevant harmful substances have been detected in the surrounding water, which effectively guarantees the safety and stability of the ecosystem.
Third, organophosphine has good adaptability. Whether it is acidic, alkaline soil, or arid and humid climate conditions, organophosphine can play an effective role. In the acidic red soil region of the south and the alkaline soil region of the north, organophosphine can promote tree lignification, while other lignifying agents may have greatly reduced or even failed under specific soil conditions. In trees at different altitudes and temperatures, organophosphine also shows good applicability and can be widely used in tree cultivation in various regions.
Fourth, organophosphine is multi-functional. In addition to promoting lignification, it can also enhance the resistance of trees to diseases and pests. The study found that the organophosphine-treated trees increased the content of phytoprotectin in the body, up-regulated the expression of related defense genes, and improved the tree's own immune function. At the same time, it also promoted the development of tree roots, which could enhance the root system's ability to absorb nutrients and water, and help trees thrive in an all-round way.