A surface covering product having static dissipative electrical properties comprises a consolidated agglomeration of individual chips of polymeric material and wherein at least a portion of said individual chips contain an antistatic agent. A second portion of individual chips contain no antistatic agent or a reduced amount of antistatic agent.
申请公布号
US4944998(A)
申请公布日期
1990.07.31
申请号
US19890301595
申请日期
1989.01.26
申请人
ARMSTRONG WORLD INDUSTRIES, INC.
发明人
KO, KENNETH K.;MILLER, JR., JESSE D.;SHELLY, WAYNE R.;VON STETTEN, SUSAN M.