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

IPC: C04B16/08 ,  C04B11/00 ,  C04B24/14 ,  C04B24/24 ,  C04B24/32 ,  C04B38/00

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.

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

IPC: C04B16/08 ,  C04B11/00 ,  C04B16/00 ,  C04B20/00 ,  C04B24/08 ,  C04B24/36 ,  C04B28/14

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。

公开(公告)号：WO2006115496A1

公开(公告)日：2006-11-02

申请号：PCT/US2005/014503

申请日：2005-04-27

Applicant: UNITED STATES GYPSUM COMPANY ,  YU, Qiang ,  HINSHAW, Stewart ,  STREETER, Michael, M. ,  SONG, W., David ,  BOLIND, Michael ,  PRICE, Robert

Inventor： YU, Qiang ,  HINSHAW, Stewart ,  STREETER, Michael, M. ,  SONG, W., David ,  BOLIND, Michael ,  PRICE, Robert

IPC: C04B11/00

CPC classification number: C04B40/0039 ,  C04B28/14 ,  C04B2103/12 ,  C04B2111/0062 ,  C04B20/008 ,  C04B20/026 ,  C04B22/143 ,  C04B22/16 ,  C04B24/003

Abstract: A wet gypsum accelerator comprising ground product having a median particle size of from about 0.5 micron to about 2 microns and calcium sulfate dihydrate, water, and at least one additive selected from the group consisting of (i) an organic phosphonic compound, (ii) a phosphate-containing compound, or (iii) a mixture of (i) and (ii), is disclosed. Also disclosed are a method of preparing a wet gypsum accelerator, a method of hydrating calcined gypsum to form an interlocking matrix of set gypsum, a set gypsum-containing composition, and a set gypsum-containing product.

Abstract translation: 一种湿石膏促进剂，其包含中等粒度为约0.5微米至约2微米的研磨产物和二水合硫酸钙，水和至少一种选自（i）有机膦酸化合物，（ii） 含有磷酸酯的化合物，或（iii）（i）和（ii）的混合物。 还公开了制备湿法石膏促进剂的方法，将煅烧石膏水合以形成凝固石膏的互锁基质，含石膏组合物和含石膏的产品的方法。