发明申请
US20130157551A1 POLISHING CLOTH AND METHOD FOR PRODUCING SAME 审中-公开
抛光布及其生产方法

POLISHING CLOTH AND METHOD FOR PRODUCING SAME
摘要:
A high performance polishing cloth having a densified surface state with ultrafine fiber bundles uniformly dispersed therein and having excellent smoothness is provided. The polishing cloth comprises a nonwoven fabric formed by entangling the ultrafine fiber bundles formed by bundling ultrafine fibers with an average single fiber diameter of 0.05 to 2.0 μm and a polymeric elastic material, wherein the average size of the surface fiber-napped portions constituted by the aforementioned ultrafine fiber bundles of the aforementioned nonwoven fabric in the width direction of the ultrafine fiber bundles is 50 to 180 μM.
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