HETEROGENEOUS DISTRIBUTION OF CARBON-BLACK IN POLYMER BLENDS EFFECT ON CRYSTALLIZATION AND TEMPERATURE-DEPENDENCE OF ELECTRICAL-CONDUCTIVITY

被引:9
作者
ASAI, S [1 ]
HAYAKAWA, Y [1 ]
SUZUKI, K [1 ]
SUMITA, M [1 ]
机构
[1] TOKYO INST TECHNOL,FAC ENGN,MEGURO KU,TOKYO 152,JAPAN
关键词
POLYMER CARBON-COMPOSITES; POLYMER BLENDS; DISPERSION OF FILLERS; DISTRIBUTION; DSC; CRYSTALLIZATION; ELECTRICAL CONDUCTIVITY;
D O I
10.1295/koron.48.635
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Heterogeneous distribution of carbon black (CB) was observed in the polymer blends of high density polyethylene (HDPE)/polypropylene(PP). From the observation with an electron microscope it was found that the majority of CB particles distribute in the HDPE phase. The DSC cooling curves for HDPE/PP blends and CB-filled HDPE/PP blends shewed that for the blends having a volume fraction of HDPE under 40%, two crystalline peaks of HDPE and PP were observed, and the positions of the two peaks were changed on addition the CB particles. This change confirmed that the CB particles predominantly distribute in the HDPE phase. Also, temperature dependence of electrical conductivity was measured, and the effect of heterogeneous distribution of CB particles in the property was observed.
引用
收藏
页码:635 / 640
页数:6
相关论文
共 11 条
[1]   FACTORS AFFECTING ELECTRICAL-CONDUCTIVITY OF CARBON BLACK-LOADED RUBBER .2. EFFECT OF CONCENTRATION AND TYPE OF CARBON-BLACK ON ELECTRICAL-CONDUCTIVITY OF SBR [J].
ABDELBARY, EM ;
AMIN, M ;
HASSAN, HH .
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 1979, 17 (07) :2163-2172
[2]  
BARTCZAC Z, 1987, POLYMER, V28, P1622
[3]   SPHERULITE NUCLEATION IN BLENDS OF ISOTACTIC POLYPROPYLENE WITH HIGH-DENSITY POLYETHYLENE [J].
BARTCZAK, Z ;
GALESKI, A ;
PRACELLA, M .
POLYMER, 1986, 27 (04) :537-543
[4]  
Callan J. E., 1971, RUBBER CHEM TECHNOL, V44, P814, DOI DOI 10.5254/1.3544796
[5]  
Hess W.M., 1967, RUBBER CHEM TECHNOL, V40, P371, DOI [10.5254/1.3539053, DOI 10.5254/1.3539053]
[6]   ELECTRICAL-CONDUCTIVITY OF CARBON POLYMER COMPOSITES AS A FUNCTION OF CARBON CONTENT [J].
MIYASAKA, K ;
WATANABE, K ;
JOJIMA, E ;
AIDA, H ;
SUMITA, M ;
ISHIKAWA, K .
JOURNAL OF MATERIALS SCIENCE, 1982, 17 (06) :1610-1616
[7]   POLYETHYLENE CARBON BLACK SWITCHING MATERIALS [J].
NARKIS, M ;
RAM, A ;
FLASHNER, F .
JOURNAL OF APPLIED POLYMER SCIENCE, 1978, 22 (04) :1163-1165
[8]   NEW RESISTOR HAVING AN ANOMALOUSLY LARGE POSITIVE TEMPERATURE COEFFICIENT [J].
OHE, K ;
NAITO, Y .
JAPANESE JOURNAL OF APPLIED PHYSICS, 1971, 10 (01) :99-&
[9]   DISPERSION OF FILLERS AND THE ELECTRICAL-CONDUCTIVITY OF POLYMER BLENDS FILLED WITH CARBON-BLACK [J].
SUMITA, M ;
SAKATA, K ;
ASAI, S ;
MIYASAKA, K ;
NAKAGAWA, H .
POLYMER BULLETIN, 1991, 25 (02) :265-271
[10]   EFFECT OF MELT VISCOSITY AND SURFACE-TENSION OF POLYMERS ON THE PERCOLATION-THRESHOLD OF CONDUCTIVE-PARTICLE-FILLED POLYMERIC COMPOSITES [J].
SUMITA, M ;
ABE, H ;
KAYAKI, H ;
MIYASAKA, K .
JOURNAL OF MACROMOLECULAR SCIENCE-PHYSICS, 1986, B25 (1-2) :171-184