摘要 |
<p>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.</p> |
申请人 |
UNITED STATES GYPSUM COMPANY;YU, QIANG;HINSHAW, STEWART;STREETER, MICHAEL, M.;SONG, W., DAVID;BOLIND, MICHAEL;PRICE, ROBERT |
发明人 |
YU, QIANG;HINSHAW, STEWART;STREETER, MICHAEL, M.;SONG, W., DAVID;BOLIND, MICHAEL;PRICE, ROBERT |