Patent ID: 9586305
Date: 2017-03-07
CPC Classifications: B24B,B24D,C08G,C08J,G02B,H01L,Y10T

Claim:
1. A chemical mechanical polishing pad, comprising: a chemical mechanical polishing layer having a polishing surface, a base surface and an average polishing layer thickness, T wherein the chemical mechanical polishing layer is formed by combining a poly side (P) liquid component and an iso side (I) liquid component; wherein the poly side (P) liquid component comprises from 1 to 5 wt. % of an amine carbon dioxide adduct; and from 25 to 95 wt % of a (P) side polyol which is a high molecular weight polyether polyol having a number average molecular weight, M wherein the iso side (I) liquid component, comprising at least one (I) side polyfunctional isocyanate; wherein the chemical mechanical polishing layer has a porosity of ≧10 vol %; wherein the chemical mechanical polishing layer has a Shore D hardness of <40; and, wherein the polishing surface is adapted for polishing a substrate.