CRYSTALLIZATION BEHAVIOR AND MECHANICAL-PROPERTIES OF POLYPROPYLENE-BASED COMPOSITES

被引：34
|
作者：
AVELLA, M [1 ]
MARTUSCELLI, E [1 ]
SELLITTI, C [1 ]
GARAGNANI, E [1 ]
机构：
[1] HIMONT CTR RIC G NATTA,FERRARA,ITALY
来源：
JOURNAL OF MATERIALS SCIENCE | 1987年 / 22卷 / 09期
关键词：
CRYSTALLIZATION - Reaction Kinetics - GLASS FIBER - MATERIALS TESTING - Tensile Tests - PLASTICS; REINFORCED - Mechanical Properties - THERMOPLASTICS - Crystallization;
D O I：
10.1007/BF01161181
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of glass fibers on the primary nucleation process, isothermal radial growth rate of spherulites and overall kinetic rate constant of isotactic polypropylene (iPP) has been examined. The polypropylene was also modified by means of acrylic acid (iPP*) in order to improve the adhesion between the matrix and the fibers, and the relative properties were compared with those concerning the composites having as matrix plain iPP. Moreover the mechanical properties of injection-moulded composites containing iPP and iPP* have been studied. These properties improved on increasing the fiber content. It was found that for the same glass-fiber content better values of the elongation at break and creep are observed in the case of reinforced polypropylenes having as matrix acrylic acid modified polypropylene.
引用
收藏
页码：3185 / 3193
页数：9
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