Title:
永久変形に対する抗力が大きな石膏を含む製品並びに製品を製造する方法およびそれにより形成する配合物
Document Type and Number:
Japanese Patent JP4332223
Kind Code:
B2
Abstract:
The invention provides a set gypsum-containing product having increased resistance to permanent deformation and a method for preparing it comprising forming a mixture of a calcium sulfate material, water, and an appropriate amount of one or more enhancing materials chosen from condensed phosphoric acids, each of which comprises 2 or more phosphoric acid units; and salts or ions of condensed phosphates each of which comprises 2 or more phosphate units. The mixture is then maintained under conditions sufficient for the calcium sulfate material to form a set gypsum material.
Inventors:
Yu, Quian
Susek, Stephen, Doubler.
Groza, Brent, Yi.
Milinac, Raymond, The Ray.
Jyons, Frederik, Tay.
Henkels, Paul, Jei.
Susek, Stephen, Doubler.
Groza, Brent, Yi.
Milinac, Raymond, The Ray.
Jyons, Frederik, Tay.
Henkels, Paul, Jei.
Application Number:
JP51361399A
Publication Date:
September 16, 2009
Filing Date:
August 21, 1998
Export Citation:
Assignee:
United States Gypsum Company
International Classes:
C04B28/14; E04C2/04; B32B13/00; C04B22/16; C04B41/70; C04B14/10; C04B14/18; C04B16/02; C04B22/12; C04B24/16; C04B24/26; C04B24/38
Domestic Patent References:
| JP53088031A |
Foreign References:
| US5643510 |
Attorney, Agent or Firm:
Yuichi Yamada
Yasuhito Suzuki
Yasuhito Suzuki