公开(公告)号：US4944959A

公开(公告)日：1990-07-31

申请号：US399441

申请日：1989-08-28

Applicant: Hisanori Yagi ,  Kousuke Hamada ,  Isamu Nakano ,  Yoshihiro Nishimura ,  Hajime Matsubayashi ,  Hisashi Tani

Inventor： Hisanori Yagi ,  Kousuke Hamada ,  Isamu Nakano ,  Yoshihiro Nishimura ,  Hajime Matsubayashi ,  Hisashi Tani

IPC: G03G5/02

CPC classification number: G03G5/0202

Abstract: Disclosed is an electrostatic recording medium comprising an electroconductive support and as formed thereon a dielectric layer containing an insulating resin and a pigment, said dielectric layer carrying a surface static charge of a polarity opposite to that of a charge to be applied for image formation.

Abstract translation: 公开了一种静电记录介质，其包括导电载体，并且在其上形成有包含绝缘树脂和颜料的电介质层，所述介电层承载极性与用于图像形成的电荷极性相反的表面静电荷。

公开(公告)号：US5514435A

公开(公告)日：1996-05-07

申请号：US207160

申请日：1994-03-08

Applicant: Hideaki Suzuki ,  Kousuke Hamada

Inventor： Hideaki Suzuki ,  Kousuke Hamada

IPC: C09J7/04 ,  B32B7/12

CPC classification number: C09J7/048 ,  Y10T428/1462 ,  Y10T428/24876 ,  Y10T428/25 ,  Y10T428/254 ,  Y10T428/2839 ,  Y10T428/2843 ,  Y10T428/2848 ,  Y10T428/2852 ,  Y10T428/31895 ,  Y10T428/31928 ,  Y10T428/31935

Abstract: Disclosed is an adhesive sheet comprising a base sheet, an undercoat layer formed on the base sheet, a release agent layer formed on the undercoat layer, an adhesive layer formed on the release agent layer and a face stock disposed on the adhesive layer, wherein the undercoat layer comprises (a) a copolymer obtained by emulsion-copolymerizing at least one hydroxyl group-containing (meth)acrylic ester with at least one of other monomers copolymerizable therewith and (b) a pigment.

Abstract translation: 公开了一种粘合片，其包括基片，形成在基片上的底涂层，形成在底涂层上的剥离剂层，形成在剥离剂层上的粘合剂层和设置在粘合剂层上的面材， 底涂层包含（a）通过将至少一种含羟基的（甲基）丙烯酸酯与可与其共聚的其它单体中的至少一种和（b）颜料进行乳液共聚而获得的共聚物。

公开(公告)号：US4931359A

公开(公告)日：1990-06-05

申请号：US219385

申请日：1988-07-15

Applicant: Hisanori Yagi ,  Kousuke Hamada ,  Isamu Nakano ,  Yoshihiro Nishimura

Inventor： Hisanori Yagi ,  Kousuke Hamada ,  Isamu Nakano ,  Yoshihiro Nishimura

IPC: G03G5/02

CPC classification number: G03G5/0217 ,  Y10T428/252 ,  Y10T428/259 ,  Y10T428/265 ,  Y10T428/31895 ,  Y10T428/31899 ,  Y10T428/31902

Abstract: Disclosed is an electrostatic recording medium comprising an electroconductive support and a dielectric layer formed on the electroconductive support and containing an insulating resin and a pigment, characterized in that the pigment comprises kaolin having a quartz content of not more than 2% by weight and that the dielectric layer has, on the surface thereof, projections based on the pigment and having an equivalent diameter of 5-15 um as spacers.