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COMPOSITIONS ET PROCÉDÉS POUR ENCAPSULATION DOUBLE D'UN COMPOSÉ VOLATILE
专利权人:
AGROFRESH; INC.
发明人:
LAO, CHRISTINE LIHONG,ZHANG, SHILING,BECKER, CHRISTIAN,PANG, TAYLOR XIAOYI,SUN, TONG,YANG, XIUHAN GRACE
申请号:
EP13836805
公开号:
EP2895542A4
申请日:
2013.02.05
申请国别(地区):
EP
年份:
2016
代理人:
摘要:
Provided are compositions comprising a collection of coated particles, wherein the coated particles comprises an active ingredient dispersed in an resin matrix; and a coating comprising at least one hydrophobic compound. Also provided are methods for preparing compositions comprising: (a) blending an active ingredient (for example, 1-MCP complex powder) with resin at the temperature slightly over the melting point of the resin; (b) dispersing the blend into an oil medium containing hydrophobic particles by shearing and obtain an oil dispersion; and (c) consolidating the resin particles by cooling. Thus, the active ingredient (for example, 1-MCP complex powder) is imbedded in the resin matrix spheres, and the hydrophobic particles, which also serve as Pickering emulsifier to stabilize the matrix spheres, form a coating layer around the matrix spheres to provide protection against water. Thus, the sphere is composed of the “Pickering” particle and resin matrix, in which the active ingredient is imbedded.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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