In 1884, he patented a photographic medium that replaced fragile glass plates with a photo-emulsion coated on paper rolls.
1884年，他获得专利的摄影上的方法是：用涂上照相乳剂的卷筒纸取代了易碎的玻璃板。
The paper substrate is coated on both sides with water-impermeable resin which carries an light sensitive emulsion on one side.
纸蕊的两面涂上防水树脂，再于其中一面涂上感光乳剂而成。
DP2000is a copolymer emulsion for surface sizing which produced by polymerization used to size many different types of paper, including offset paper, writing paper and coated board.
通过分子设计采用分段聚合方法制备聚合物表面施胶剂DP2000。
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