您的位置: 首页 > 农业专利 > 详情页

DESHERBAGE DES JOINTS DE BLOC DE BETON ET AUTRE TYPE DE PAVE
专利权人:
SØNDERBERG, FREDERIKSEN JENS;BECK, POUL KONRAD;HVORSLEV, STEFFEN BIRK
发明人:
申请号:
EP04762849.0
公开号:
EP1675464B1
申请日:
2004.09.17
申请国别(地区):
EP
年份:
2014
代理人:
摘要:
The present weed reducing material reduces the necessary weed control work by making joint filling sand a hostile substrate for plant and fungus growth by using an environmentally acceptable slow release mineral additive. The additive, having similar grain size distribution, mechanical and rheological properties, forms an integral part of the joint filling sand. The specific gravity of the additive is lower than quartz sand imparting a tendency for the additive to migrate towards the top part of the joint. The additive leads to pore waters rich in sodium and at high pH, both qualities being maintained over long periods. The mixture of additive and sand is handled and applied using conventional laying techniques and equipment, observing usual precautions for mortar or cement mixes with sand. In the environment, reaction with CO2 in the air or in the soil porosity inactivates the causticity, yielding harmless carbonate salts.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

意 见 箱

匿名:登录

个人用户登录

找回密码

第三方账号登录

忘记密码

个人用户注册

必须为有效邮箱
6~16位数字与字母组合
6~16位数字与字母组合
请输入正确的手机号码

信息补充