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Universalium. 2010.
Low-density polyethylene — LDPE has SPI resin ID code 4 Low density polyethylene (LDPE) is a thermoplastic made from petroleum. It was the first grade of polyethylene, produced in 1933 by Imperial Chemical Industries (ICI) using a high pressure process via free radical… … Wikipedia
low density polyethylene — mažo tankio polietilenas statusas T sritis chemija apibrėžtis Dideliame slėgyje radikalinės polimerizacijos būdu gaminamas polietilenas, kurio tankis 910–930 kg/m³. atitikmenys: angl. LDPE; low density polyethylene rus. полиэтилен низкой… … Chemijos terminų aiškinamasis žodynas
low-density polyethylene — Chem. highly branched polyethylene with low crystallinity and melting point, and a density of 0.91 to 0.94, prepared at very high pressures, and used mainly for sheeting, films, and packaging materials. Abbr.: LDPE Also called branched… … Useful english dictionary
low-density polyethylene — (LDPE) a relatively soft, flexible polyethylene, used mainly for plastic film and sheet … Dictionary of automotive terms
Linear low-density polyethylene — (LLDPE) is a substantially linear polymer (polyethylene), with significant numbers of short branches, commonly made by copolymerization of ethylene with longer chain olefins. Linear low density polyethylene differs structurally from conventional… … Wikipedia
High-density polyethylene — HDPE has SPI resin ID code 2 High density polyethylene (HDPE) or polyethylene high density (PEHD) is a polyethylene thermoplastic made from petroleum. It takes 1.75 kilograms of petroleum (in terms of energy and raw materials) to make one… … Wikipedia
Medium-density polyethylene — MDPE Density 0.926 0.940 g/cm3 Young modulus/ E modulus/ Tensile modulus 172–379 MPa Tensile strength(σt) 12.4–19.3 MPa Elongation @ break 100–150% … Wikipedia
high-density polyethylene — Chem. polyethylene consisting mainly of linear, or unbranched, chains with high crystallinity and melting point, and density of 0.96 or more, produced at low pressure and used chiefly for containers and articles made by injection molding. Abbr.:… … Universalium
high-density polyethylene — Chem. polyethylene consisting mainly of linear, or unbranched, chains with high crystallinity and melting point, and density of 0.96 or more, produced at low pressure and used chiefly for containers and articles made by injection molding. Abbr.:… … Useful english dictionary
Polyethylene — or polythene (IUPAC name poly(ethene)) is a thermoplastic commodity heavily used in consumer products (notably the plastic shopping bag). Over 60 million tons of the material are produced worldwide every year. Description Polyethylene is a… … Wikipedia
