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ORGANIC-INORGANIC POLYMERIC WATER-RETAINING FERTILIZER AND PREPARATION METHOD THEREFOR
专利权人:
Qingdao Xinyaodi Agricultural Technology Joint-Stock Co., Ltd.
发明人:
ZHU, Yanfang,DU, Zhiyong,ZHU, Hongzhi
申请号:
EP20170809165
公开号:
EP3305746(A1)
申请日:
2017.06.30
申请国别(地区):
欧洲专利局
年份:
2018
代理人:
摘要:
The present invention provides an organic-inorganic polymeric water-retaining fertilizer. The organic-inorganic polymeric water-retaining fertilizer is a co-polymer made by fusion and co-polymerization of an organic water-retaining monomer and an inorganic nutrient under action of a catalyst, a biological enzyme and a modifying agent. The co-polymer is of a three-dimensional mesh-like hydrophilic group structure. In a method for preparing the organic-inorganic polymeric water-retaining fertilizer, after obtaining a neutralized pre-polymer from the organic water-retaining monomer under the action of the catalyst, an initiator and a cross-linking agent are added; the inorganic nutrient and a metasilicate are added simultaneously, a solution is formed by stirring sufficiently; the biological enzyme is added for catalysis; a co-polymer is obtained after fusion and co-polymerization; and granulation and drying are carried out. Preferably, the catalyst is an inorganic alkaline solution. Preferably, the catalyst is
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