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公开(公告)号：WO2009064602A8
公开(公告)日：2010-06-10
申请号：PCT/US2008081056
申请日：2008-10-24
Applicant: UNITED STATES GYPSUM CO , TRACY SHARON LOUISE , MCDONALD DAVID B , LIU QINGXIA
Inventor： TRACY SHARON LOUISE , MCDONALD DAVID B , LIU QINGXIA
IPC: C04B11/00
CPC classification number: B02C23/06 , B02C19/0056 , C01P2004/61 , C01P2006/22 , C04B11/00 , C04B2103/52 , C09C1/025 , Y02P40/20 , C04B24/2641
Abstract: The process of the present invention includes obtaining a feed material having an initial median particle size A solution of a polycarboxylate dispersant in water is formed, then the feed material is added to the solution to form a slurry The slurry is wet-ground to reduce the median particle size of the feed material Optionally, the total amount of polycarboxylate dispersant is divided into a plurality of doses that are added periodically over the total grinding time
Abstract translation: 本发明的方法包括获得具有初始中值粒径A的原料，形成聚羧酸酯分散剂在水中的溶液，然后将原料加入到溶液中以形成浆料。该浆液被湿磨以减少 进料的中值粒度任选地，将聚羧酸酯分散剂的总量分成多个剂量，其在总研磨时间周期性地加入
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公开(公告)号：WO2009105424A1
公开(公告)日：2009-08-27
申请号：PCT/US2009/034282
申请日：2009-02-17
Applicant: UNITED STATES GYPSUM COMPANY , LUAN, Wenqi , LIU, Qingxia
Inventor： LUAN, Wenqi , LIU, Qingxia
IPC: C01G29/00
CPC classification number: C04B11/0283 , C04B11/036 , F27B15/10 , C04B11/0281 , C04B11/032
Abstract: A method for calcining gypsum in a pressurized reactor by injecting combustion gases and air into the pressurized reactor to create a fluidized bed of gypsum, and heating the fluidized bed of gypsum in the pressurized reactor sufficiently to form a calcined hemihydrate.
Abstract translation: 一种通过将加压反应器中的燃烧气体和空气注入加压反应器中以产生石膏流化床并在加压反应器中充分加热石膏流化床以形成煅烧半水合物的方式来在加压反应器中煅烧石膏。
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公开(公告)号：WO2009064602A1
公开(公告)日：2009-05-22
申请号：PCT/US2008/081056
申请日：2008-10-24
Applicant: UNITED STATES GYPSUM COMPANY , TRACY, Sharon, Louise , MCDONALD, David, B. , LIU, Qingxia
Inventor： TRACY, Sharon, Louise , MCDONALD, David, B. , LIU, Qingxia
IPC: C04B11/00
CPC classification number: B02C23/06 , B02C19/0056 , C01P2004/61 , C01P2006/22 , C04B11/00 , C04B2103/52 , C09C1/025 , Y02P40/20 , C04B24/2641
Abstract: The process of the present invention includes obtaining a feed material having an initial median particle size A solution of a polycarboxylate dispersant in water is formed, then the feed material is added to the solution to form a slurry The slurry is wet-ground to reduce the median particle size of the feed material Optionally, the total amount of polycarboxylate dispersant is divided into a plurality of doses that are added periodically over the total grinding time
Abstract translation: 本发明的方法包括获得具有初始中值粒径A的原料，形成聚羧酸酯分散剂在水中的溶液，然后将原料加入到溶液中以形成浆料。该浆液被湿磨以减少 进料的中值粒度任选地，将聚羧酸酯分散剂的总量分成多个剂量，其在总研磨时间周期性地加入
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Patent Agency Ranking
公开(公告)号：WO2009015156A3
公开(公告)日：2009-01-29
申请号：PCT/US2008/070787
申请日：2008-07-22
Applicant: UNITED STATES GYPSUM COMPANY , SHAKE, Michael P. , LIU, Qingxia , IMMORDINO, Salvatore C. , ENGBRECHT, Dick C. , ROELFS, Donald L. , NELSON, Christopher R. , ROHRBAUGH, Wayne J. , FEDORIS, Joseph J.
Inventor： SHAKE, Michael P. , LIU, Qingxia , IMMORDINO, Salvatore C. , ENGBRECHT, Dick C. , ROELFS, Donald L. , NELSON, Christopher R. , ROHRBAUGH, Wayne J. , FEDORIS, Joseph J.
Abstract: A mat-faced gypsum board and method of making thereof is provided having a particulate matter applied on an inner surface of the facer mat and extending partially into the mat from the inner surface thereof. The particulate matter, which is preferably a hydratable powder such as calcium sulfate hemihydrate, minimizes and, preferably, prevents bleed through of a gypsum slurry during formation of the gypsum board.
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25.发明申请GYPSUM PRODUCTS UTILIZING A TWO-REPEATING UNIT DISPERSANT AND A METHOD FOR MAKING THEM 审中-公开使用两个重复单元分配器的GYPSUM产品及其制造方法
公开(公告)号：WO2006138289A2
公开(公告)日：2006-12-28
申请号：PCT/US2006022956
申请日：2006-06-13
Applicant: UNITED STATES GYPSUM CO , LIU QINGXIA , SHAKE MICHAEL P , BLACKBURN DAVID R , WILSON JOHN W , RANDALL BRIAN , LETTKEMAN DENNIS M
Inventor： LIU QINGXIA , SHAKE MICHAEL P , BLACKBURN DAVID R , WILSON JOHN W , RANDALL BRIAN , LETTKEMAN DENNIS M
CPC classification number: C04B28/14 , C04B24/165 , C04B24/2647 , C04B28/145 , C04B2103/408 , C04B2111/0062 , Y10T442/665 , C04B38/00 , C04B2103/0099 , C04B24/2658 , C04B7/02 , C04B14/04 , C04B22/064 , C04B22/10 , C04B24/10 , C04B24/38 , C04B24/42 , C04B2103/12 , C04B2103/22 , C04B2103/48 , C04B2103/65 , C04B2103/67 , C04B7/323 , C04B22/143 , C04B38/10
Abstract: A gypsum slurry includes water, a hydraulic component including stucco and a polycarboxylate dispersant. The dispersant has two repeating units wherein the first repeating unit is an olefinic unsaturated mono-carboxylic acid repeating unit or an ester or salt, and the second repeating unit is a vinyl or allyl group bound to a polyether by an ether linkage. The slurry can be made into a gypsum panel.
Abstract translation: 石膏浆料包括水，包含灰泥的水硬成分和聚羧酸酯分散剂。 分散剂具有两个重复单元，其中第一重复单元是烯属不饱和单羧酸重复单元或酯或盐，第二重复单元是通过醚键与聚醚结合的乙烯基或烯丙基。 浆料可以制成石膏板。
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公开(公告)号：WO2006138280A3
公开(公告)日：2006-12-28
申请号：PCT/US2006/022942
申请日：2006-06-13
Applicant: UNITED STATES GYPSUM COMPANY , LIU, Qingxia , SHAKE, Michael, P. , BLACKBURN, David, R. , HINSHAW, Stewart
Inventor： LIU, Qingxia , SHAKE, Michael, P. , BLACKBURN, David, R. , HINSHAW, Stewart
Abstract: Effective use of dispersants in wallboard containing foam results from a method where stucco is mixed with a first dispersant and a first quantity of water to form a gypsum slurry. A soap is blended with a second dispersant and a second quantity of water to make a foam. Subsequently, the foam is combined with the slurry. Choice of different first and second dispersants and their relative amounts allows control of the size distribution of the foam bubbles in the slurry and the resulting voids in the gypsum core. Use of the same dispersant in both the mixer and the foam water provides a boost in efficacy of the dispersant.
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公开(公告)号：WO2006138280A2
公开(公告)日：2006-12-28
申请号：PCT/US2006022942
申请日：2006-06-13
Applicant: UNITED STATES GYPSUM CO , LIU QINGXIA , SHAKE MICHAEL P , BLACKBURN DAVID R , HINSHAW STEWART
Inventor： LIU QINGXIA , SHAKE MICHAEL P , BLACKBURN DAVID R , HINSHAW STEWART
CPC classification number: C04B38/106 , C04B28/14 , C04B28/145 , C04B38/10 , C04B2111/0062 , C04B7/02 , C04B14/06 , C04B22/064 , C04B22/10 , C04B22/16 , C04B2103/408 , C04B24/226 , C04B24/2647 , C04B40/0028
Abstract: Effective use of dispersants in wallboard containing foam results from a method where stucco is mixed with a first dispersant and a first quantity of water to form a gypsum slurry. A soap is blended with a second dispersant and a second quantity of water to make a foam. Subsequently, the foam is combined with the slurry. Choice of different first and second dispersants and their relative amounts allows control of the size distribution of the foam bubbles in the slurry and the resulting voids in the gypsum core. Use of the same dispersant in both the mixer and the foam water provides a boost in efficacy of the dispersant.
Abstract translation: 分散剂在含泡沫的墙板中的有效使用是将灰泥与第一分散剂和第一量的水混合以形成石膏浆料的方法得出的。 将肥皂与第二分散剂和第二量的水混合以制备泡沫。 随后，将泡沫与浆料混合。 选择不同的第一和第二分散剂及其相对量允许控制浆料中的泡沫气泡的尺寸分布和所产生的石膏芯中的空隙。 在混合器和泡沫水中使用相同的分散剂提供了分散剂功效的提高。
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公开(公告)号：WO2004087604A3
公开(公告)日：2004-10-14
申请号：PCT/US2004/008927
申请日：2004-03-24
Applicant: UNITED STATES GYPSUM COMPANY , LIU, Qingxia , NATESAIYER, Kumar , YU, Qiang
Inventor： LIU, Qingxia , NATESAIYER, Kumar , YU, Qiang
IPC: C04B28/14
Abstract: A ready-mixed composition, which sets when mixed with an activator for the reaction of calcined gypsum with water to form set gypsum, is disclosed. The composition comprises water and calcined gypsum in a weight ratio of water to calcined gypsum of from about 0.15 to about 0.5, as well as a set preventer comprising a polyacrylic acid and/or a salt thereof. The composition has a viscosity of from about 5,000 centipoise to about 48,000 centipoise. Also disclosed is a kit that comprises separately packaged components. One of the components is a composition comprising calcined gypsum and a polyacrylic acid and/or a salt thereof, and, optionally, water. Another component of the kit comprises an activator which, when mixed with the composition, permits the composition to set.
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