摘要:
Disclosed are a surface-modified superabsorbent polymer and a method of preparing the same, wherein a superabsorbent polymer is surface-modified with the addition of a water-soluble salt having a multivalent cation and superhydrophobic microparticles, thereby improving attrition resistance, permeability and absorption speed without significantly deteriorating the other properties thereof.
摘要:
Provided are a heating element that includes: a transparent substance; a conductive heating line that is provided on at least one side of the transparent substance; bus bars that is electrically connected to the conductive heating line; and a power portion that is connected to the bus bars, wherein 30% or more of the entire area of the transparent substance has a conductive heating line pattern that is formed of closed figures where a distribution is continuous and a ratio (area distribution ratio) of a standard deviation in respects to an average value of areas of the closed figures is 2% or more, and a method for manufacturing the same.
摘要:
Provided is a method for manufacturing a heating element, which includes: determining a form of a pattern in which a line width is 100 micrometers or less and an opening ratio is in the range of 70% to 99%; printing a paste that includes the conductive heating material according to the determined pattern on at least one side of a transparent substrate; forming a conductive heating pattern by sintering the printed paste that includes the conductive heating material; forming bus bars on both sides of the conductive heating pattern; and providing a power portion that is connected to the bus bar, and a heating element that is manufactured by using the method.
摘要:
The present disclosure discloses a method for manufacturing an electrode for an electrochemical device comprising (S1) coating a slurry comprising a binder polymer and a conductive material on at least one surface of a current collector and drying to form an attachment enhancing layer; (S2) preparing a free-standing dry electrode film comprising a dry electrode active material and a dry binder; and (S3) stacking the free-standing dry electrode film on the attachment enhancing layer, and applying heat and pressure to allow the binder polymer to permeate into a surface layer of the free-standing dry electrode film in contact with the attachment enhancing layer to adhere the free-standing dry electrode film to the attachment enhancing layer
摘要:
The present invention relates to a heating element in which distortion of a view due to local heating around a heating line does not occur even when a heating value is high, and a method for manufacturing the same. More specifically, the heating element according to the present invention comprises a transparent substrate and conductive heating lines provided on the transparent substrate, in which a line width of the conductive heating line is 10 µm or less and a distance between the conductive heating lines is 500 µm or less.