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Mechanical properties of low density polyethylene-isotactic polypropylene blends—I. Effect of mixing time

✍ Scribed by G. Rizzo; G. Spadaro

Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
278 KB
Volume
24
Category
Article
ISSN
0014-3057

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✦ Synopsis

A~tract--The effects of mixing time on properties of blends of low density polyethylene with isotactic polypropylene have been studied by tensile tests, viscosity measurements and calorimetric analysis. The results indicate that the mixing time is a critical parameter in determining blend properties and that its "optimum value" can be related to other processing parameters,

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Torque values and mechanical properties are reported for blends of low density with linear low density polyethylene (PE). The torque values show that incompatible mixtures in the molten state are formed when the torques of the pure polymers are almost equal. Semicompatible behaviour is shown in the