发明名称 |
Leichte Zuschlastoffe |
摘要 |
<p>The present invention relates to a lightweight aggregate in the form of pellets or granules and, in particular to a lightweight aggregate in the form of pellets or granules for use in the building industry. The present invention provides a method for forming a lightweight aggregate comprising mixing together from 80 % to 99 % by weight of pulverised fuel ash, from 1 % to 20 % by weight of cement and an amount of polystyrene beads having a particle size of less than 2.5 millimetres, such that the volume of polystyrene beads is from 15 % to 80 % of the total volume of the final mixture to form a pelletisable mix, forming the mix into pellets having a diameter of less than 15 millimetres and curing the pellets in a moist atmosphere at a temperature below the vapourising temperature of any solvent within the polystyrene beads.</p> |
申请公布号 |
DE69119606(D1) |
申请公布日期 |
1996.06.20 |
申请号 |
DE1991619606 |
申请日期 |
1991.12.05 |
申请人 |
NATIONAL POWER PLC, LONDON, GB |
发明人 |
WALKER, BRYAN JAMES, MOWBURY PARK, BEDFORD MK41 8BD, GB |
分类号 |
C04B16/10;C04B18/02;C04B28/08;C04B38/08;(IPC1-7):C04B18/02 |
主分类号 |
C04B16/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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