RECYCLING OF FIBRE PRODUCTS
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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资源简介：
In a method of recycling printed paper， the collector chemical composition used to aid ink removal after pulping of the paper advantageously comprises an aqueous emulsion of a polysiloxane and a delivery aid for the polysiloxane， the delivery aid comprising one of more compounds selected from an alkali metal salt of a fatty acid moiety， and a nitrogenous salt of a fatty acid moiety， and a water-swellable polymer. The collector chemical composition is effective at low concentration， gives good brightness gain， low level of fibre loss， and effluent water low in siliceous material. In a method of recycling printed paper， the collector chemical composition used to aid ink removal after pulping of the paper advantageously comprises an aqueous emulsion of a polysiloxane and a delivery aid for the polysiloxane， the delivery aid comprising one of more compounds selected from an alkali metal salt of a fatty acid moiety， and a nitrogenous salt of a fatty acid moiety， and a water-swellable polymer. The collector chemical composition is effective at low concentration， gives good brightness gain， low level of fibre loss， and effluent water low in siliceous material.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
