The effectiveness of two anti-blocking agents, diatomaceous earth and treated talc, were evaluated with and without a slip agent for films made from low density polyethylene (LDPE) and EVA copolymer resins. Both anti-block agents provided similarly good COF and blocking properties with little change of clarity and gloss. The treated talc gave generally tougher films and slightly better heat seal strengths than obtained with the diatomaceous earth.
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Radosta et al. (1991) studied this question.
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