EFFECT OF VIRGIN AND DEGRADED POLYPROPYLENE BLENDS ON PROPERTIES OF WOOD FLOUR -POLYPROPYLENE COMPOSITES

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KAZEMI NAJAFI S.; MOSTAFAZADEH MARZENAKI M.; CHAHARMAHALI M.

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Journal: Journal of Forest and Wood Products Year:2010 | Volume:63 | Issue:1 Page(s): 47-59

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Title

EFFECT OF VIRGIN AND DEGRADED POLYPROPYLENE BLENDS ON PROPERTIES OF WOOD FLOUR -POLYPROPYLENE COMPOSITES

Author(s)

KAZEMI NAJAFI S. | MOSTAFAZADEH MARZENAKI M. | CHAHARMAHALI M. | Issue Writer Certificate

Keywords

THERMO-MECHANICAL DEGRADATIONQ3

POLYPROPYLENEQ3

WOOD PLASTIC COMPOSITESQ3

PHYSICAL AND MECHANICAL PROPERTIESQ2

EXTRUSIONQ3

Abstract

In this research, influence of THERMO-MECHANICAL DEGRADATION of POLYPROPYLENE (PP) on PHYSICAL AND MECHANICAL PROPERTIES of wood- PP composites made from virgin and degraded PP blends was studied. For this purpose, a virgin PP was thermo-mechanically degraded by twice EXTRUSION under controlled conditions with a twin-screw extruder. Virgin PP and degraded PP in each stage were mixed and the blends and beech sawdust (-40/+60 mesh) were compounded (at 60% weight sawdust loading) in a counter-rotating twin-screw extruder in presence and absence of compatibilizer to produce the sawdust-PP composites. The results showed that replacing 50% of virgin PP by degraded PP, impact strength of wood-PP composites decreases but water absorption, thickness swelling, flexural modulus and hardness increase. Compatibilizer improved the mentioned properties.

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APA: Copy

KAZEMI NAJAFI, S., MOSTAFAZADEH MARZENAKI, M., & CHAHARMAHALI, M.. (2010). EFFECT OF VIRGIN AND DEGRADED POLYPROPYLENE BLENDS ON PROPERTIES OF WOOD FLOUR -POLYPROPYLENE COMPOSITES. JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES), 63(1), 47-59. SID. https://sid.ir/paper/163044/en

Vancouver: Copy

KAZEMI NAJAFI S., MOSTAFAZADEH MARZENAKI M., CHAHARMAHALI M.. EFFECT OF VIRGIN AND DEGRADED POLYPROPYLENE BLENDS ON PROPERTIES OF WOOD FLOUR -POLYPROPYLENE COMPOSITES. JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES)[Internet]. 2010;63(1):47-59. Available from: https://sid.ir/paper/163044/en

IEEE: Copy

S. KAZEMI NAJAFI, M. MOSTAFAZADEH MARZENAKI, and M. CHAHARMAHALI, “EFFECT OF VIRGIN AND DEGRADED POLYPROPYLENE BLENDS ON PROPERTIES OF WOOD FLOUR -POLYPROPYLENE COMPOSITES,” JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES), vol. 63, no. 1, pp. 47–59, 2010, [Online]. Available: https://sid.ir/paper/163044/en

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