公开(公告)号：AU2014321458A1

公开(公告)日：2016-04-07

申请号：AU2014321458

申请日：2014-09-16

Applicant: GCP APPLIED TECHNOLOGIES INC

Inventor： JARDINE LESLIE A ,  CHEUNG JOSEPHINE H

IPC: C04B14/00

Abstract: The present invention provides cement grinding additive compositions and methods which allow a PVC-safe, powerful, and robust defoaming agent to be uniformly dispersed throughout a broad concentration range while retaining storage stability even in cases wherein the defoaming agent is highly diluted. Exemplary cement grinding additive compositions comprise at least one amine cement grinding additive; an air detrainer selected from the group consisting of (i) ethoxylated, propoxylated fatty alcohol or alkylphenol, (ii) polyalkoxylated polyalkylene polyamine, or (iii) a mixture thereof.

公开(公告)号：CA2924495A1

公开(公告)日：2015-03-26

申请号：CA2924495

申请日：2014-09-16

Applicant: GCP APPLIED TECHNOLOGIES INC

Inventor： JARDINE LESLIE A ,  CHEUNG JOSEPHINE H

IPC: C04B14/00

Abstract: The present invention provides cement grinding additive compositions and methods which allow a PVC-safe, powerful, and robust defoaming agent to be uniformly dispersed throughout a broad concentration range while retaining storage stability even in cases wherein the defoaming agent is highly diluted. Exemplary cement grinding additive compositions comprise at least one amine cement grinding additive; an air detrainer selected from the group consisting of (i) ethoxylated, propoxylated fatty alcohol or alkylphenol, (ii) polyalkoxylated polyalkylene polyamine, or (iii) a mixture thereof.