Check these papers

1) Tribol Lett (2010) 38:301–311.

2) Materials Letters, 62, 2008, 3530–3532

@Khushdeep Goyal and @Sujoy Sarkar:

I want to disperse CNT as reinforcement in UHMWPE by using wet planetary ball mill (in ethanol). any chance to have a fine dispersion?

hi Moein,

you can produce a mixture by wet planetary ball mill and you cannot disperse CNT in UHMWPE as reinforcement. you must use melt mixing process such as twin screw compounding, internal mixer, and etc.

If you want to manufacture a composite with a low percentage of broken CNT, I think you should not use ball mill. 

Please, explain what you mean writing "... a fine dispersion...". Unfortunately your criteria for the procedure are not clear enough...

Dear Moein, 

Ball milling alone can not result in fine dispersion of CNTs in matrices. It is mainly because of the reason, that harsh milling conditions in form of milling energy provided to charged CNTs damage their graphitic structures. I have been working in CNTs reinforced metals and used sonication assisted ball milling to get improved dispersion with minimum damages to CNTs. here is the reference:

https://www.researchgate.net/publication/281397498_Effect_of_dispersion_method_on_the_deterioration_interfacial_interactions_and_re-agglomeration_of_carbon_nanotubes_in_titanium_metal_matrix_composites

Best wishes,

Khurram

Article Effect of dispersion method on the deterioration, interfacia...