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US5198271A Method for producing polyolefin foam sheet 失效
生产聚烯烃泡沫片的方法

Method for producing polyolefin foam sheet
摘要:
A method for producing a polyolefin foam sheet which includes heating a foamable base sheet comprising a polyolefin resin, a foaming agent, and a resin varnish. The resin of the varnish is selected from the group consisting of rosin, cumarone-indene resin, phenolic resin, alkyd resin, and shellac resin.
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