FIELD: chemical industry. SUBSTANCE: semicrystalline polyolefin is mixed with clarifying agent powder and heated, and resulting mixture is stirred till clarifying agent is dissolved in resin melt. Clarifying agent is sorbitol or xylitol acetal. Present invention makes it possible to get rid of bubbles in polyolefins. EFFECT: more efficient preparation method. 24 cl, 4 ex, 3 tbl
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