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[Chemical Knowledge]：Properties and uses of combined polyethers

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Combinatorial polyether is an important raw material for chemical production, which is widely used in polyurethane foam, coatings, adhesives and other fields. This article will detail the properties and uses of the combined polyethers.

1. combination polyether properties

1. structural characteristics

combination polyether is a mixture of polyols, catalysts, foaming agents and other components. Among them, polyols are the main components, generally low molecular weight polymers, with high hydroxyl value and activity. Additives such as catalysts and foaming agents can adjust the foaming speed and foam properties of polyether.

2. physical properties

combination polyether is generally colorless or light yellow transparent liquid, with low viscosity and good fluidity. Its density is generally between 1.0-1.1g/cm³, the flash point is high, and it has a certain degree of flammability.

3. chemical properties of

combination of polyether polyol component has high activity, can react with isocyanate and other compounds, polyurethane foam and other products. At the same time, the combination of polyether also has a certain water resistance, acid and alkali resistance and other chemical stability.

2. combination of polyether use

1. Polyurethane foam

combination of polyether is one of the important raw materials of polyurethane foam, mixed with isocyanate and other compounds, can be polymerized to generate polyurethane foam with excellent performance. This kind of foam plastic has the advantages of light weight, high strength, heat preservation, sound insulation, etc., and is widely used in construction, home appliances, automobiles and other fields.

2. coating

combination of polyether can be used as a coating base resin, and pigments, solvents and other ingredients mixed, can be made into a variety of properties of the coating. This coating has excellent water resistance, corrosion resistance, weather resistance and other advantages, can be used in construction, machinery, automobiles and other fields.

3. adhesive

combination of polyether can also be used as the adhesive base resin, and curing agent, filler and other ingredients mixed, can be made into a variety of properties of the adhesive. This adhesive has the advantages of high bonding strength, good water resistance and strong weather resistance, and can be used in construction, furniture, automobiles and other fields.

In conclusion, as an important raw material for chemical production, combined polyether has a wide range of applications and excellent performance. In the future development, with the continuous progress of science and technology and the improvement of people's awareness of environmental protection, the combination polyether will be applied in more fields, bringing more convenience and safety to people's life.

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