摘要:
A crystalline polymer microporous membrane containing a crystalline polymer microporous film containing a crystalline polymer, and having an asymmetric pore structure; a surfactant covering at least part of an exposed surface of the crystalline polymer microporous film; and a first crosslinking agent, wherein the surfactant is crosslinked with assistance of the first crosslinking agent.
摘要:
To provide a crystalline polymer microporous membrane, which contains a crystalline polymer microporous film containing a crystalline polymer; and a fluorosurfactant covering at least part of the exposed surface of the crystalline polymer microporous film, wherein the crystalline polymer microporous membrane has a plurality of pores, where the average pore diameter of a first surface of the crystalline polymer microporous membrane is larger than that of a second surface thereof, and the average pore diameter of the crystalline polymer microporous membrane continuously changes from the first surface thereof to the second surface thereof.
摘要:
A crystalline polymer microporous membrane, which contains: a microporous film formed of a crystalline polymer, which has a plurality of pores; and a hydrophilic polymer containing a hydroxyl group, which covers exposed surfaces of the microporous film, wherein the plurality of pores have a larger average pore diameter at a first surface of the film than the average pore diameter at a second surface of the film, and the average pore diameter of the pores continuously changes from the first surface to the second surface.
摘要:
A method for producing a crystalline polymer microporous membrane, which contains: placing a first crystalline polymer in a metal mold, and compressing the first crystalline polymer to form a first preforming body; placing a second crystalline polymer in a metal mold, and compressing the second crystalline polymer to form a second preforming body; extruding the first and second preforming bodies to form first and second extrusion bodies, respectively; rolling the first and second extrusion bodies to form first and second crystalline polymer films, respectively; heating a surface of the first crystalline polymer film or second crystalline polymer film, or both to perform asymmetric heating to give temperature gradient in a thickness direction thereof; drawing each of the first crystalline polymer film and the second crystalline polymer film; laminating the drawn first and second crystalline polymer films to form a laminate; and heating the laminate to perform heat setting.
摘要:
A crystalline polymer microporous membrane, which contains: a laminate of two or more layers including a layer containing a first crystalline polymer and a layer containing a second crystalline polymer, the laminate having a plurality of pores each piercing through the laminate in a thickness direction thereof, wherein the first crystalline polymer has higher crystallinity than crystallinity of the second crystalline polymer, and the layer containing the first crystalline polymer has the maximum thickness thicker than the maximum thickness of the layer containing the second crystalline polymer, and wherein at least one layer in the laminate has a plurality of pores whose average diameter continuously or discontinuously changes along with a thickness direction of the laminate at least at part thereof.
摘要:
A crystalline polymer microporous membrane containing a crystalline polymer microporous film containing a crystalline polymer, and having an asymmetric pore structure; fluorine alcohol covering at least part of an exposed surface of the crystalline polymer microporous film; and a crosslinking agent, wherein the fluorine alcohol is crosslinked with assistance of the crosslinking agent.
摘要:
A crystalline polymer microporous membrane, which contains: a microporous film formed of a crystalline polymer, which has a plurality of pores; and a hydrophilic polymer containing a hydroxyl group, which covers exposed surfaces of the microporous film, wherein the plurality of pores have a larger average pore diameter at a first surface of the film than the average pore diameter at a second surface of the film, and the average pore diameter of the pores continuously changes from the first surface to the second surface.
摘要:
An organic electroluminescence device including at least a light-emitting layer between a pair of electrodes and a hole transport layer between the light-emitting layer and an anode of the pair of electrodes, wherein the device further includes a mixture layer of an electron transporting material and a hole transporting material, the mixture layer being disposed between the light-emitting layer and the hole transport layer and in direct contact with the light-emitting layer. An organic electroluminescence device having high light emitting efficiency and high driving durability is provided.
摘要:
An organic electroluminescence device including at least a light-emitting layer between a pair of electrodes and a hole transport layer between the light-emitting layer and an anode of the pair of electrodes, wherein the device further includes a mixture layer of an electron transporting material and a hole transporting material, the mixture layer being disposed between the light-emitting layer and the hole transport layer and in direct contact with the light-emitting layer. An organic electroluminescence device having high light emitting efficiency and high driving durability is provided.
摘要:
A transfer material having at least one organic, thin-film layer on a temporary substrate support, wherein (a) at least one component constituting the organic, thin-film layer has a flow-starting temperature of 40° C. or higher and a transfer temperature or lower or a glass transition temperature Tg of 40° C. to 250° C., or wherein (b) at least one component constituting the organic, thin-film layer has a temperature of 40° C. to 240° C., at which its viscosity becomes 1×104 Pa·s.