Abstract:

In order to fabricate bamboo particles reinforced PVC composite (BPPC) and optimize hot pressing molding technique，effects of molding temperature and time on the properties of BPPC were studied. BPPC were fabricated with selected parameters of hot pressing time in 5-11 min and molding temperature in 165-190 ℃，and the properties of BPPC were tested. Results showed that physical and mechanical properties of BPPC were modified with the enhancing of molding time and a proper molding time was 8 min. In the rang of 165-190 ℃，physical and mechanical properties of BPPC increased with the increasing of temperature first and then showed a decreasing trend. The best molding temperature of BPPC was 180 ℃. Testing of DSC indicated that molding time has a notably impact on the compatibility of bamboo particle and PVC and a good compatibility was get at 180 ℃. SEM analyses of BPPC prepared with optimized technique demonstrated uniform dispersion of bamboo particles in PVC matrix and a good compatibility between them.

Key words: bamboo plastic composites, hot pressing molding, physical and mechanical properties, DSC, SEM