| 摘要 |
1511034 Synthetic paper SUMITOMO CHEMICAL CO Ltd 30 July 1975 [3 Aug 1974] 31872/75 Heading D2B [Also in Division B5] In example 8 discontinuous polyethylene fibres are blended in a 50:50 wt. ratio with natural pulp and formed into a web. Heat treating this produces a sheet of high whiteness, a wet treating length of 2km. and a dry breaking length of 3.6km.
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