作者: Alan J. C O Minnesota Mining And Sipinen
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摘要: Pressure-sensitive adhesive tapes which have improved toughness for use as diaper closure are provided. The a backing of substantially untensilized, tough, ductile film that is blend crystalline isotactic polypropylene and compatible flexible polymer, i.e. polymer having flexural modulus lower than said to increase the film, coating pressure-sensitive on one side film.