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ABSORPTION FOAMS PREPARED FROM WATER-IN-OIL EMULSION WITH A HIGH RATIO OF WATER AMOUNT TO OIL, SUITABLE AS A SORBENT FOR SANITARY TOWELS
ABSORPTION FOAMS PREPARED FROM WATER-IN-OIL EMULSION WITH A HIGH RATIO OF WATER AMOUNT TO OIL, SUITABLE AS A SORBENT FOR SANITARY TOWELS
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机译:由油包水型乳化液制备的吸收泡沫,比油中的水含量高,适合作为卫生纸的吸收剂
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摘要
Foams capable of absorbing blood and blood-based fluids, especially menses. These absorbent foams have high capillary absorption pressures required of absorbents used in catamenial products, yet have sufficient openness to allow free movement of the insoluble components in blood-based fluids such as menses. These absorbent foams are made by polymerizing high internal phase emulsions (HIPEs) where the volume to weight ratio of the water phase to the oil phase is in the range of from about 20:1 to about 125:1. These foams are particularly useful as absorbent members for catamenial pads.
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