| 摘要 |
<p>Shaped articles are made by forming the shaped article from a sheet of a composition of rubber containing 5-30% fibres, and curing without placing the articles under restraint. Examples are given of the use of medium and high acrylonitrile butadiene-acrylonitrile rubbers, mixtures thereof with neoprene and neoprene alone. The usual compounding, e.g. clays, carbon black &c., and vulcanizing ingredients may be present. Cellulosic fibres are preferred. The preferred shaped articles are gaskets.</p> |
