| 摘要 |
PCT No. PCT/GB93/01562 Sec. 371 Date Mar. 9, 1995 Sec. 102(e) Date Mar. 9, 1995 PCT Filed Jul. 23, 1993 PCT Pub. No. WO94/02551 PCT Pub. Date Feb. 3, 1994The invention provides a metal powder pigment. In one aspect it comprises polished atomized pigment particles of aluminum or an aluminum alloy which are facetted and have a median particle size of from 1 to 300 mu m and an aspect ratio of from 5/1 to 1.1/1. The polished atomized metal powder particles have an increased reflectivity with respect to unpolished atomized metal powder particles of at least 10%. The pigment of the invention can be used to provide novel visual effects in single and multilayer coating systems. |
