发明名称 Bag and its use to provide admixture for a hydraulic composition
摘要 A bag is used to provide an admixture for a hydraulic composition, wherein a wall of the bag includes a layer, the layer including a water-soluble polymer, and wherein an admixture is present in the wall of the bag.
申请公布号 US9579823(B2) 申请公布日期 2017.02.28
申请号 US201214349570 申请日期 2012.10.02
申请人 LAFARGE 发明人 Duveau Vincent;Thouilleux Philippe;Jacquet Alain;Villard Emmanuel;Georges Sébastien
分类号 B28C5/00;B65D33/00;C04B24/00;C04B24/26;C04B103/00 主分类号 B28C5/00
代理机构 Pillsbury Winthrop Shaw Pittman LLP 代理人 Pillsbury Winthrop Shaw Pittman LLP
主权项 1. A method comprising utilizing a bag to provide an admixture for a hydraulic composition, wherein a wall of the bag comprises a layer, said layer comprising a water-soluble polymer, the water-soluble polymer comprising a film-forming polymer which is a polyvinyl alcohol having a melting temperature from 155 to 185° C. and a melt flow rate higher than 3.0 g/10 min under 2.16 kg at 230° C. as measured according to the method described in the NFT 51-016 Standard, and wherein the admixture for the hydraulic composition is present in the wall of the bag.
地址 Paris FR