申请人:Spray-Tek, Inc.
公开号:US10188593B2
公开(公告)日:2019-01-29
Disclosed are: (a) controlled release matrix particles containing 10-70 wt. % of a hydrophobic active ingredient, 21-72 wt. % of a polysaccharide, 3.80-12 wt. % of a crosslinking agent, 1.00-6 wt. % of a catalyst and 0.10-5 wt. % of a silica flow aid; (b) controlled release core/shell particles containing 10-70 wt. % of a hydrophobic active ingredient, 1.0-3.2 wt. % of an epoxidized oil, 21-64 wt. % of a polysaccharide, 7.6-23% of an amine-functionality containing material, and 0.10-5 wt. % of a silica flow aid; and (c) hybrid particles wherein the core/shell particles are contained in a matrix. Also disclosed are methods for making the particles and compositions containing the particles.
公开了(a) 控释基质颗粒,含有 10-70 wt.%的疏水活性成分、1.0-3.2 重量%的环氧化油、21-64 重量%的多糖、7.6-23 重量%的含胺功能材料和 0.10-5 重量%的二氧化硅助流剂;以及 (c) 混合颗粒,其中核/壳颗粒包含在基质中。还公开了制造颗粒和含有颗粒的组合物的方法。