Ethylene-vinyl alcohol copolymer (EVOH)EVOH can be regarded as a copolymer of ethylene and vinyl alcohol according to its molecular structure, which is +CH2-CH2fCH-CH2)m. In EVOH, the content of the ethylene component, OH, is usually in the range of 30% to 50% (molar fraction). Since EVOH is a copol

Heat shrink film is used for the sale and transport of a wide range of products, and its main function is to stabilise, cover and protect the product. Shrink film must have high puncture resistance, good shrinkage and certain shrinkage stress. During the shrinkage process, the film must not produce

Single-screw extruder principle: the second section is called compression section when the screw groove volume from large gradually become smaller, and the temperature to reach the degree of plasticisation of the material, here to produce compression by the conveyor section of the three, where the c

I. Solvent-free laminating processFor a long time, the domestic solvent-free adhesive production unit is small, single species, low quality, solvent-free adhesive for a long time mostly rely on imports, not only the higher price, and the need for a large number of inventory stocking, large amount of

Nanjing Sumino Participation in the 6th China International Plastics Exhibition 2024 Achieved a Great Success