公开(公告)号：US20210017082A1

公开(公告)日：2021-01-21

申请号：US16812827

申请日：2020-03-09

Applicant: UNITED STATES GYPSUM COMPANY

Inventor： Alexander J. Donovan ,  Tyler Kincaid ,  David Pelot ,  Richard B. Stevens ,  Robert H. Negri ,  Naveen Punati

IPC: C04B28/14 ,  C04B24/04 ,  C04B24/38

Abstract: A joint compound including calcium sulfate hemihydrate and/or at least one filler, wherein a total amount of the at least one filler and/or calcium sulfate hemihydrate is at least about 50 wt % of the joint compound on a dry (water-free) basis, preferably the filler comprises calcium carbonate, calcium sulfate dihydrate, or calcium sulfate anhydrite, or a mixture thereof; binder at up to about 15 wt % of the joint compound on a dry basis; polymer thickener at up to about 3 wt % of the joint compound on a dry basis; plasticizer dedusting agent at about 0.01 to about 3 wt % of the joint compound on a dry (water free) basis; and an additive up to about 10 wt % of the joint compound on a dry basis.

公开(公告)号：US12006262B2

公开(公告)日：2024-06-11

申请号：US16812827

申请日：2020-03-09

Applicant: UNITED STATES GYPSUM COMPANY

Inventor： Alexander J. Donovan ,  Tyler Kincaid ,  David Pelot ,  Richard B. Stevens ,  Robert H. Negri ,  Naveen Punati

IPC: C04B28/14 ,  C04B24/04 ,  C04B24/38 ,  C04B103/00 ,  C04B103/30 ,  C04B103/44 ,  C04B111/00

CPC classification number: C04B28/14 ,  C04B24/045 ,  C04B24/383 ,  C04B2103/0075 ,  C04B2103/30 ,  C04B2103/44 ,  C04B2111/00681

Abstract: A joint compound including calcium sulfate hemihydrate and/or at least one filler, wherein a total amount of the at least one filler and/or calcium sulfate hemihydrate is at least about 50 wt % of the joint compound on a dry (water-free) basis, preferably the filler comprises calcium carbonate, calcium sulfate dihydrate, or calcium sulfate anhydrite, or a mixture thereof; binder at up to about 15 wt % of the joint compound on a dry basis; polymer thickener at up to about 3 wt % of the joint compound on a dry basis; plasticizer dedusting agent at about 0.01 to about 3 wt % of the joint compound on a dry (water free) basis; and an additive up to about 10 wt % of the joint compound on a dry basis.