Recycled PCB flour reinforced linear low-density polyethylene composites enhanced by water cross-linking reaction

2009 ◽  
Vol 4 (2) ◽  
pp. 169-177
Author(s):  
Chen-Feng Kuan ◽  
Hsu-Chiang Kuan ◽  
Chen-Chi M. Ma ◽  
Chia-Hsun Chen ◽  
Kun-Chang Lin ◽  
...  
2017 ◽  
Vol 25 (6) ◽  
pp. 447-452
Author(s):  
James K. Carson ◽  
Mohamed Alsowailem

The thermal diffusivities of copper/linear-low-density polyethylene (Cu/LLDPE) composites were measured relative to the thermal diffusivity of pure LLDPE. The relative thermal diffusivities were similar to those obtained for copper/high-density polyethylene composites, but were noticeably different from estimated values derived from thermal conductivity, density and specific heat capacity data for Cu/LLDPE from the literature. The thermal diffusivity of the composite material initially decreased below that of the pure polymer with the addition of a small amount of copper, before increasing above it as more was added. There would appear to be marginal or no benefit from adding less than about 15 to 20% metal by volume to a polymer, since the relative increase in thermal diffusivity only becomes significant for greater volumes.


2007 ◽  
Vol 61 (13) ◽  
pp. 2744-2748 ◽  
Author(s):  
Chen-Feng Kuan ◽  
Hsu-Chiang Kuan ◽  
Chen-Chi M. Ma ◽  
Chia-Hsun Chen ◽  
Han-Lang Wu

2013 ◽  
Vol 658 ◽  
pp. 56-60
Author(s):  
Li Qiu Zou ◽  
Guang Feng Wu

In this paper, the linear low density polyethylene (LLDPE) was melted and cross-linked by dicumyl peroxide (DCP) used to prepare cross-linked polyethylene (XPE). The gel content was determined by extraction method. The effect of content of cross-linker, cross- linked time, cross-linked temperature and other factors on the gel content were studied. It was found that the extraction time should be 18h for XPE. The gel content increased with the increasing of cross-linked time. When the cross-linked time was 10-15min, DCP was almost complete decomposition. The gel content was basically stable when the cross-linked temperature was 170-175 oC. The maximum of gel fraction was about 90%.


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