| 发明名称 |
PROCESS FOR THE PREPARATION OF PLASTICISERS USING CEMENT |
| 摘要 |
An organic plasticizer for cement was made by sulfonating 1 wt. % pitch and 0.7-1.5 wt. % concentrated sulfuric acid followed by condensing with 0.05-0.12 wt.% formaldehyde.
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| 申请公布号 |
KR970008741(B1) |
申请公布日期 |
1997.05.28 |
| 申请号 |
KR19940033237 |
申请日期 |
1994.12.08 |
| 申请人 |
SAMSHIN HWA SUNG INDUSTRIAL CO.,LTD |
发明人 |
LEE, TAE-KYUNG;KORBA SORB, BARRENTIN MIHAELLROBICHI |
| 分类号 |
C04B24/20;C04B24/22;C04B24/36;(IPC1-7):C04B24/20 |
主分类号 |
C04B24/20 |
| 代理机构 |
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代理人 |
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