PT80309A - Process for the preparation of polymeric compositions containing polyolefins and of films and sheets for agricultural purposes
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Process for the preparation of polymeric compositions containing polyolefins and of films and sheets for agricultural purposes
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A polymer compsn. comprises at least 80 wt.% polyolefin and 0.5-15 wt.% boric acid, anhydrous borax or aluminium borate. Pref. the polyolefin is polyethylene or an ethylene copolymer with an alpha-olefin or vinyl acetate and forms 90-97 wt.% of the compsn. The boron cpd. is present at 3-8 wt.% and the compsn. also contains an antioxidant, UV stabiliser, humidifier, antistatic agent and lubricant.
PT8030985A1985-04-181985-04-18
PROCESS FOR THE PREPARATION OF POLYMERIC COMPOSITIONS CONTAINING POLYOLEFINS AND FILMS AND PLATES FOR AGRICULTURAL PURPOSES
PT80309B
(en)