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JenniferHouse

He is an encyclopedia author specializing in the field of chemical engineering. He has in-depth research and understanding of various plastic materials, especially for polyethylene, a common and important polymer compound, which is familiar with its properties, characteristics and application range - from basic knowledge to advanced application skills can benefit people!

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Q linear low density polyethylene chemical resistance

AndrewChapman Release Time: May 29, 2024, 8:17 AM

Linear Low Density Polyethylene (LLDPE) is renowned for its strong chemical resistance, making it suitable for applications involving a wide array of chemicals. LLDPE can withstand exposure to many acids, alkalis, and solvents without degrading, which is attributable to its unique polymer structure. This resistance is crucial for products like containers, tanks, and liners where chemical compatibility is essential. However, it is vital to note that the level of resistance can vary depending on the type of chemical, concentration, and temperature of exposure. Consequently, for specific applications, consulting a chemical resistance chart is recommended to ensure compatibility. Despite its broad chemical resistance, LLDPE may not be suitable for certain aggressive chemicals, such as concentrated oxidizing acids.

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Q when was low density polyethylene discovered

IanOwen Release Time: May 29, 2024, 6:47 AM

Low-Density Polyethylene (LDPE) was discovered in 1933 by two English chemists, Reginald Gibson and Eric Fawcett, while working at the Imperial Chemical Industries (ICI) research laboratory. The discovery was somewhat accidental; they were applying high pressure to a mixture of ethylene gas and benzaldehyde, aiming to produce a different compound, when they noticed the formation of a waxy material, which was later identified as LDPE. This breakthrough led to the development of commercial processes to produce LDPE, which became widely used for its flexibility, toughness, and chemical resistance. LDPE revolutionized the packaging industry, among other applications, providing a versatile and inexpensive material for films, containers, and other products.

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