HYDROPHILIC MODIFIED POWDERED HIGH AND / OR ULTRA HIGH MOLECULAR POLYETHYLENE

摘要

Hydrophilically-modified high and/or ultra high mol.wt. polyethylene (HMW-PE and/or UHMW-PE), is coated with 0.1-10 (pref. 0.5-5, esp. pref. 0.7-2) wt% of a mixt. (I) contg. (A) 1-99.9 (pref. 5-90, esp. pref. 10-50) wt% water-soluble additive(s) and (B) 0.1-99 (pref. 10-95, esp. pref. 50-90) wt% water-insol. additive(s). Also claimed is (i) the prodn. of (pref. powdered) HMW-PE and/or UHMW-PE with the above amt. of mixt. (I) as above, esp. contg. 10-25 wt% (A) and 75-90 wt% (B); and (ii) moulded parts made from the modified polymer, esp. porous mouldings.