Abstract
The surface properties of polypropylene and propylene and hexene-1 copolymers synthesized on the rac-Me2SiInd2ZrCl2-polymethylalumoxane isocpecific metallocene system and the Ph2C(Cp)(Flu)ZrCl2-polymethylalumoxane syndiospecific system were studied. It was found that syndiotactic polypropylene films were less hydrophobic than isotactic polypropylene films, whereas the films of propylene and hexene-1 copolymers were less hydrophobic than the films of corresponding homopolymers. The hydrophobicity of samples decreased with the hexene-1 content of the copolymer. Treatment in a dc discharge resulted in noticeable surface hydrophilization in all of the test polymer samples. There is a correlation between the surface parameters and the density of surface charge induced in the polymers by dc discharge treatment.
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