发明名称 |
FERTILISANT GRANULAIRE ENROBE CAPABLE DE CONTROLER L'EFFET DE LA TEMPERATURE SUR LES VITESSES DE DISSOLUTION |
摘要 |
Fertilizers coated with coating layer having a controlled moisture permeability and a controlled temperature dependency of moisture permeability are presented by the production method which comprises ejecting hot drying air to the spout of granular fertilizer and spraying a hot solution of polyolefin type resin, ethylene-vinyl acetate copolymer or vinylidene type resin upon said fertilizer granules and drying said fertilizer granules upon being sprayed with solution having the property capable of forming a solution while it is hot but turning into jelly-like gel when it is cooled but as a most characteristic feature of this method uniformly dispersed fine powder is incorporated in said drying air or in said solution so as to have a coated layer of said resin containing uniformly distributed fine powder. |
申请公布号 |
BE869577(A1) |
申请公布日期 |
1978.12.01 |
申请号 |
BE19780189748 |
申请日期 |
1978.08.07 |
申请人 |
CHISSOASAHI FERTILIZER CO. LTD |
发明人 |
|
分类号 |
C05C1/02;B01J2/30;C05G3/00;(IPC1-7):C05G/ |
主分类号 |
C05C1/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|