公开(公告)号：US20190070585A1

公开(公告)日：2019-03-07

申请号：US16084468

申请日：2017-03-13

Applicant: SAINT-GOBAIN PLACO

Inventor： Yann DION ,  Katarzyna CHUDA ,  Caroline DEMATHIEU-ROELTGEN ,  Marion CHENAL

IPC: B01J20/20 ,  B01J20/28 ,  C04B28/14

CPC classification number: B01J20/20 ,  B01J20/28004 ,  B01J20/28026 ,  B01J20/28042 ,  B01J20/28057 ,  C04B28/145 ,  C04B2111/0062 ,  C04B24/38 ,  C04B38/10 ,  C04B2103/10 ,  C04B2103/30 ,  C04B24/16 ,  C04B24/2647 ,  C04B24/383 ,  C04B14/022 ,  C04B2103/50

Abstract: A process for the manufacture of a plasterboard including activated carbon, includes: preparing a main mixed batch including a foaming agent and devoid of activated carbon; preparing a secondary mixed batch including powdered activated carbon; providing a first facing sheet; pouring the secondary mixed batch over the first facing sheet, the secondary mixed batch forming a first plaster layer; pouring the main mixed batch over the first plaster layer, the main mixed batch forming a second plaster layer; providing a second facing sheet on the first and second plaster layers; and forming the plasterboard; wherein the secondary mixed batch has a greater density than the main mixed batch.

公开(公告)号：US20200207664A1

公开(公告)日：2020-07-02

申请号：US16811572

申请日：2020-03-06

Applicant: SAINT-GOBAIN PLACO

Inventor： Yann DION ,  Katarzyna CHUDA ,  Caroline DEMATHIEU-ROELTGEN ,  Marion CHENAL

IPC: C04B28/14 ,  C04B20/00 ,  C04B14/02

Abstract: A plasterboard includes a first layer of plaster and a second layer of plaster, wherein the first layer includes activated carbon; the second layer includes a scavenging agent, wherein a content of scavenging agent in the first layer, expressed as percentage by weight of dry matter, is less than a content of scavenging agent in the second layer, and wherein the second layer is free of activated carbon.

公开(公告)号：US20190077711A1

公开(公告)日：2019-03-14

申请号：US16084434

申请日：2017-03-13

Applicant: SAINT-GOBAIN PLACO

Inventor： Yann DION ,  Katarzyna CHUDA ,  Caroline DEMATHIEU-ROELTGEN ,  Marion CHENAL

IPC: C04B28/14 ,  C04B14/02 ,  C04B20/00

Abstract: A plasterboard includes a first layer of plaster and a second layer of plaster, wherein the first layer includes activated carbon; the second layer includes a scavenging agent, wherein a content of scavenging agent in the first layer, expressed as percentage by weight of dry matter, is less than a content of scavenging agent in the second layer, and wherein the second layer is free of activated carbon.