公开(公告)号：US5114790A

公开(公告)日：1992-05-19

申请号：US269939

申请日：1988-11-10

Applicant: Daniel P. Corbett

Inventor： Daniel P. Corbett

IPC: C08G65/14 ,  C08K3/04 ,  C08L23/16 ,  C08L71/00 ,  C08L71/02 ,  G06F3/02 ,  H01B1/24 ,  H01H11/00 ,  H01H13/702 ,  H01H13/785

CPC classification number: H01H13/785 ,  C08G65/14 ,  C08K3/04 ,  C08L23/16 ,  C08L71/02 ,  H01B1/24 ,  H01H13/702 ,  C08L2312/00 ,  H01H2201/032 ,  H01H2209/002 ,  Y10T428/30 ,  Y10T428/31917 ,  Y10T428/31931

Abstract: A conductive resilient pad for keyboards, such as computer keyboards, is disclosed. The pad is composed of EPDM blended with a copolymer of propylene oxide and allyl glycidyl ether and Ketjen Black. Each of the polymers is present in the amount of about 25 to about 75 parts and the Ketjen Black is present in an amount of about 1 to about 30 parts.

Abstract translation: 公开了一种用于键盘的导电弹性垫，例如计算机键盘。 该垫由与环氧丙烷和烯丙基缩水甘油醚的共聚物和Ketjen Black共混的EPDM组成。 每种聚合物以约25至约75份的量存在，而且Ketjen Black的存在量为约1至约30份。