| 发明名称 |
LIGHTWEIGHT JOINT COMPOUND HAVING IMPROVED PAINTABILITY |
| 摘要 |
LIGHTWEIGHT JOINT COMPOUND HAVING IMPROVED PAINTABILITY Expanded perlite coated with a composition to render the perlite impervious to water, and a joint compound incorporating the same. The perlite is ground prior to expansion to provide subsequently expanded perlite having a mean particle size from about from about 50 to about 70 microns, the joint compound formed from the perlite having greater uniformity in paint gloss appearance between the painted surface of the joint compound and the painted surface of the gypsum wallboard on which the joint compound is applied.
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| 申请公布号 |
CA1326310(C) |
申请公布日期 |
1994.01.18 |
| 申请号 |
CA19870528061 |
申请日期 |
1987.01.23 |
| 申请人 |
UNITED STATES GYPSUM COMPANY |
发明人 |
STRUSS, ARTHUR W.;WILLIAMS, TERRANCE L.;EBY, LAWRENCE T. |
| 分类号 |
C04B28/26;C04B;C04B11/02;C04B14/00;C04B14/04;C04B14/06;C04B14/10;C04B14/18;C04B14/20;C04B14/28;C04B14/36;C04B20/10;C04B24/00;C04B24/38;C04B26/00;C04B26/04;C04B28/14;C04B28/18;C08K3/00;C08K5/54;C09D5/34;C09K3/10;(IPC1-7):C04B11/02 |
主分类号 |
C04B28/26 |
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