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Masks and face shields can be used to reduce the inhalation of harmful substances, improve the ventilation of the working environment, and take appropriate breaks to avoid staying in the harmful environment for a long time.
Epoxy resin has no toxicity, it is a practical non-toxic product, the curing agent is generally somewhat toxic, and the curing agent of modified amines can only be low toxicity, and it is impossible to be completely non-toxic. Other kinds of curing agents are somewhat toxic, but the degree varies, but basically they are all low toxicity.
Epoxy resin is an organic compound that contains two or more epoxy groups in the molecule, and their relative molecular mass is not high except for a few individuals. The molecular structure of epoxy resin is characterized by the presence of active epoxy groups in the molecular chain, which can be located at the end, middle or in a cyclic structure of the molecular chain. Because the molecular structure contains active epoxy groups, they can be cross-linked with various types of curing agents to form insoluble polymers with a three-way network structure.
All polymer compounds containing epoxy groups in their molecular structure are collectively referred to as epoxy resins. The cured epoxy resin has good physical and chemical properties, it has excellent adhesion strength to the surface of metal and non-metallic materials, good dielectric properties, small variable shrinkage, good dimensional stability of products, high hardness, good flexibility, and stability to alkali and most solvents, so it is widely used in national defense, national economic departments, for pouring, impregnation, laminating materials, adhesives, coatings and other purposes.
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Plagiarism, plagiarism, hehe, the landlord has something to contact me, I am a household, and I don't approve of others plagiarizing and pasting my answers!
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1.Epoxy floor paint is a petrochemical product, which is more or less toxic.
2.Epoxy floor paint solvents are harmful to human health, such as xylene, Tianna water, and the VOC content of these substances is high, which is one of the main culprits of haze weather.
3.The curing agent of epoxy floor paint that is not well handled and unqualified is toxic and harmful to the human body.
4.The pigment of epoxy floor paint that is not well handled and unqualified is a heavy metal element and is harmful to the human body.
Harmful causes: resin we are most familiar with resin spectacle lens, its benefits are relatively light, high wear resistance, resin is non-toxic, so resin spectacle lenses are not any toxicity, but epoxy resin does have a certain degree of harm, this is because epoxy resin is added to some toxic substances, these toxic substances are generally volatile and flammable, and have certain harm to the body. It is flammable, thus causing harm to the environment and the human body. Therefore, we must be cautious when using epoxy resin products to avoid causing harm to the human body.
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Epoxy resin itself is not harmful to people's bodies, harmful to the human body is epoxy resin in the manufacturing process to add solvents or other things may bring harm to people's bodies, the domestic epoxy resin industry is through water-based modification, avoid addition and other ways, to maintain the epoxy resin "non-toxic" nature.
Commonly used additives in epoxy resins are the following categories: curing agents, modifiers, fillers, diluents, etc.
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Epoxy resin and epoxy resin adhesive itself is non-toxic, but due to the addition of solvents and other toxic substances in the preparation process, many epoxy resins are "toxic", and the domestic epoxy resin industry is maintaining the "non-toxic" nature of epoxy resin through water-based modification and avoiding additives.
Epoxy resin is a general term for a class of polymers that contain more than two epoxy groups in the molecule. It is a polycondensation product of epichlorohydrin with bisphenol A or polyols. Due to the chemical activity of the epoxy group, it can be used to open the ring with a variety of compounds containing active hydrogen, solidify and cross-link to form a network structure, so it is a thermosetting resin.
Bisphenol A epoxy resin not only has the largest output and the most complete variety, but also the new modified varieties are still increasing, and the quality is constantly improving.
The more hardener, the longer the curing time.
Just like if you eat stones, plastics, indigestible things, there must be something wrong with eating them!
I'm doing an experiment with resin composite materials, resin is toxic, glass fiber is not good for the lungs if inhaled into the respiratory tract, glass fiber is not degradable.
The most important thing to pay attention to in decoration pollution is chemical pollution, followed by physical pollution. Chemical properties include: formaldehyde, benzene, toluene, dimethylbenzene and other volatile gases, which are continuous pollution we collectively refer to as "tvoc" pollution, and dust is pollution in the decoration process; What about physicality? >>>More
Open the window for ventilation, open the window for ventilation can not remove formaldehyde by the flow speed of the air, increase the flow speed of the air through the fan, and quickly discharge the formaldehyde outdoor. Activated carbon adsorption, which can be placed in every corner of the home with living carbon. Plant greenery.