Transcription of A Guide to Polyolefin Film Extrusion - LyondellBasell
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Guide to Polyolefin Film ExtrusionAbout UsLyondellBasell is one of the world s largest plastics, chemical and refining companies. We are the largest producer of polypropylene and polypropylene compounds; a leading producer of propylene oxide, polyethylene , ethylene and propylene; a global leader in polyolefins technology; and a producer of refined products, including products and technologies are used to make items that improve the quality of life for people around the world including packaging, electronics, automotive components, home furnishings, construction materials and of ContentsiiAbout Us iTable of Contents iiIntroduction 1 Polyolefins are Thermoplastics Derived from Petrochemicals 2 Molecular Structure and Composition Affect Properties and Processability 3 Density 4 Molecular Weight 5 Melt Viscosity 5 Molecular Weight Distribution 5 Comonomers 5 Modifiers, Additives and Tie Layers 6 LyondellBasell Work
true for tensile strength and environmental stress cracking resistance (cracking brought on when film is subjected to stresses in the presence of liquids such as solvents, oils, detergents, etc.). Melt Viscosity Melt viscosity generally is expressed for polyethylene resins by their melt indices (tested under standard conditions of
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