polymerization reaction is the process of converting low-molecular-weight monomers into high-molecular-weight polymers. The polymers have important properties such as plasticity...
May 27, 2022
Polyurethane adhesives refer to adhesives containing urethane groups (-NHCOO-) or isocyanate groups (-NCO) in the molecular chain. Polyurethane adhesives are divided into two ca...
Polyurethane rubber is a series of elastomer materials containing more urethane groups on the polymer main chain, which is actually polyurethane rubber.
May 26, 2022
Organobismuth catalyst (DY-20) is an environmentally friendly polyurethane catalyst used in the catalytic synthesis of polyurethane resins, adhesives, coatings, elastomers and o...
Oil-burning boiler refers to boilers that use fuel oil for fuel, including boilers with diesel oil, waste oil and other oil. The overall layout of the oil-fired boiler is simila...
May 25, 2022
The electrostatic precipitator is a necessary supporting equipment for thermal power plants. Its function is to remove the particulate soot from the flue gas emitted by coal-fir...
Explosive mixture refers to a homogeneous mixture of combustible gas or vapor and combustion-supporting gas that can cause an explosion process.
May 24, 2022
Acrylonitrile is an organic compound with a chemical formula of C3H3N. It is a colorless liquid with a pungent odor and is flammable. Its vapor and air can form an explosive mix...
The Zeeman effect refers to the phenomenon of splitting and polarization of spectral lines emitted by atoms in an external magnetic field; the first observation and theoretical ...
May 23, 2022
The magnetic field extrapolation method is a method of calculating the magnetic field in space. This method starts from the observed magnetic field of the boundary interface and...
mordant Dye is a substance used for dyeing fabrics through a certain vehicle to achieve the purpose of dyeing.
May 20, 2022
Sodium Acetate Physical Properties Colorless and odorless crystals, can be weathered in the air, flammable. Soluble in water and ether, slightly soluble in ethanol.