摘要:
A coating device and a coating method are provided. The coating device comprises a coating station for coating a coating liquid on a band-shaped substrate running continuously, and a coat-adjusting station disposed downstream of the coating station for adjusting the coating liquid on the substrate so that the coating liquid layer is coated on the substrate at a predetermined thickness. The coating station and the coat-adjusting station comprise first and second bars for respectively coating and measuring the liquid agent. The coating liquid can be coated on evenly and in a stable manner even if the coating operation is performed with the substrate running at a high speed.
摘要:
A bar coating apparatus includes a coating bar for contacting an object to be coated, which object is conveyed in a constant direction, so as to apply a coating solution to and remove excess coating solution from the object to be coated, a weir member for forming a bead of the coating solution between the object to be coated and the coating bar, the weir member being disposed upstream of the coating bar in a direction in which the object to be coated is conveyed, a pressing member for pressing the object to be coated from a side thereof opposite from the coating bar, the pressing member being disposed near the coating bar; and a moving device for moving the pressing member in a thickness direction of the object to be coated.
摘要:
A coating method of forming a plurality of layers on a belt-like support continuously traveling, comprising: a step of applying a first coating liquid onto a front surface of the support to form a lower layer on the support; a drying step of removing a solvent in the lower layer until an amount of the residual solvent reaches not more than 100 mg/m2; a step of applying a second coating liquid onto the lower layer after drying to form an upper layer; and a drying step of removing moisture of the upper layer; wherein the drying step of removing moisture of the upper layer comprises: a first drying step of removing moisture in the upper layer until a moisture content of the upper layer reaches not more than 10% of moisture at the time of application within a range in which a following conditional expression (1) is satisfied: (1) temperature (Tw) of the support≦average softening temperature (T0) of the lower layer+10° C.; and a second drying step of raising the temperature (Tw) of the support to remove remaining moisture of the upper layer.
摘要:
A coating method of forming a plurality of layers on a belt-like support continuously traveling, comprising: a step of applying a first coating liquid onto a front surface of the support to form a lower layer on the support; a drying step of removing a solvent in the lower layer until an amount of the residual solvent reaches not more than 100 mg/m2; a step of applying a second coating liquid onto the lower layer after drying to form an upper layer; and a drying step of removing moisture of the upper layer; wherein the drying step of removing moisture of the upper layer comprises: a first drying step of removing moisture in the upper layer until a moisture content of the upper layer reaches not more than 10% of moisture at the time of application within a range in which a following conditional expression (1) is satisfied: (1) temperature (Tw) of the support≦average softening temperature (T0) of the lower layer+10° C.; and a second drying step of raising the temperature (Tw) of the support to remove remaining moisture of the upper layer.