2results about How to "Reduce reverse osmosis" patented technology

The utility model provides a kind of water-absorbing paper core structure of accelerating penetration speed, including contact flow guide layer, water-absorbing layer, water storage layer, bottom film, contact flow guide layer, water-absorbing layer and water storage layer are stacked in bottom film from top to bottom;Contact flow guide layer includes flow guide groove and raised contact part, flow guide groove is formed by rolling on contact flow guide layer, and flow guide groove is longitudinally and transversely distributed on contact flow guide layer, and the raised contact part is provided with slope gradient slope direction flow guide groove;Water-absorbing layer is the fiber layer with increasing density distribution from top to bottom, and water-absorbing layer is arranged with water-absorbing resin strip in interval;The utility model provides a kind of water-absorbing paper core structure of accelerating penetration speed, longitudinal and transverse interlaced flow guide groove is set on contact flow guide layer, liquid diffuses through the groove, while water-absorbing layer sets the fiber layer with increasing density distribution from top to bottom, forms osmotic pressure difference, and water-absorbing resin is set in fiber layer to accelerate penetration speed, finally bottom is provided with the water storage layer of three-dimensional embossing structure, reduces reverse osmosis.

The application relates to a medical nursing pad, belonging to the technical field of medical devices, which comprises a casting film, a lower wood pulp paper layer arranged on the casting film, a cotton core layer arranged on the lower wood pulp paper layer, an upper wood pulp paper layer arranged on the cotton core layer, and a non-woven fabric layer arranged on the upper wood pulp paper layer. The application has the effects of improving the uniformity of the absorption core layer of the medical nursing pad, improving the liquid absorption stability of the medical nursing pad, and reducing the occurrence of liquid reverse osmosis.