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 |