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Studying and increasing light stability of rotomolding grade of polyethylene
Author(s) -
Feyz E.,
Sharifi Sanjani N.,
Shahraki H.,
Ranji A.,
Ala N.
Publication year - 2008
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.28691
Subject(s) - stabilizer (aeronautics) , materials science , molding (decorative) , thermal stability , polyethylene , compression molding , composite material , thermal , polymer chemistry , chemical engineering , mechanical engineering , thermodynamics , physics , engineering , mold
This article covers the state‐of‐the‐art light stabilizer for rotational molding and the influence of synergistic effects between light and thermal stabilizers, which improve physical and mechanical properties. Different formulations of polyethylene (PE) with light stabilizer, thermal stabilizer, and acid scavenger have been produced in twin‐screw extruder. To study the light stability, sheets that produced by injection‐molding machine have been put in weather‐ometer instrument for 1000 h. After and before that, physical and mechanical properties have been evaluated. © 2008 Wiley Periodicals, Inc. J Appl Polym Sci, 2008

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