The present invention relates to a method for the preparation of a solid formulation of a slow-release crop protection product, which comprises carrying out a melt extrusion of a composition comprising 0.1 to 80% by weight of at least one fungicidal active ingredient, 0 to 80% by weight of at least one herbicidal, acaricidal, insecticidal or growth-regulatory active ingredient, 3 to 80% by weight of a thermoplastic, water-insoluble polymer from the group of the polylactides, 0 to 80% by weight of at least one thermoplastic water-insoluble polymer, 10 to 80% by weight of at least one mineral filler and 0 to 20% by weight of inorganic or organic additives, and subsequently shaping the extrudate, and to the solid formulations preparable by this method.
本发明涉及一种制备缓释作物保护产品固体制剂的方法,该方法包括对一种组合物进行熔融挤压,该组合物包括0.1-80%(重量百分比)的至少一种杀真菌活性成分,0-80%(重量百分比)的至少一种除草、杀螨、杀虫或生长调节活性成分,3-80%(重量百分比)的聚
乳酸类热塑性
水不溶性聚合物、0-80%(重量百分比)的至少一种热塑性
水不溶性聚合物、10-80%(重量百分比)的至少一种矿物填料和 0-20%(重量百分比)的无机或有机添加剂,然后对挤出物进行定型,并制成可通过该方法制备的固体制剂。