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    • 5. 发明申请
    • MICROCAPSULE PARTICLES
    • 微生物颗粒
    • WO2014105440A1
    • 2014-07-03
    • PCT/US2013/074633
    • 2013-12-12
    • APPVION, INC.SCHWANTES, Todd, Arlin
    • SCHWANTES, Todd, Arlin
    • B01J13/14B01J13/18
    • B01J13/14A01N25/28A23L27/72B01J13/185C09B67/0097C11D3/505C11D17/0039F28D20/023Y02E60/145Y10T428/2989
    • The present invention teaches microcapsule particles comprising an oil soluble or dispersible core material; and a wall material at least partially surrounding the core material, the microcapsule wall material consisting of the reaction product of a first composition in the presence of a second composition; the first composition comprising a water phase: the water phase comprising a water soluble or dispersible initiator having at least one -COOH or amine functional group and a nonionic emulsifier, the emulsifier comprising a water soluble or dispersible material at a pH from 4 to 12, the water soluble or dispersible initiator is selected from initiators having a C-N=N-C type structure and of formulas I, II or III (set forth in the specification) having amine or carboxyl functionality. The second composition comprises an oil phase. The oil phase comprises: i) one or more multi functional acrylate or methacrylate monomers or oligomers and substantially free of amine acrylate or amine methacrylate monomer or oligomer, and an initiator dispersible in the oil phase; ii) from 0 to 10% by weight of the oil phase, of a monofunctional acrylate or methacrylate monomer or oligomer; iii) an intended core material; and iv) a diluent selected from esters of glycerol and fatty acids wherein at least one of the fatty acids is C 12 or greater; wherein the ratio of the water phase initiator to multifunctional acrylate or methacrylate is from 0.1 :99.9 to 20:80 by weight; wherein the ratio of the diluent to the core material is from 0.1 :99.9 to 90:10 on a weight basis; and whereby the reaction product of the first composition and second composition results in the formation of a population of microcapsules.
    • 本发明教导了包含油溶性或可分散核心材料的微胶囊颗粒; 以及至少部分地围绕所述芯材料的壁材料,所述微胶囊壁材料由第二组合物存在下的第一组合物的反应产物组成; 所述第一组合物包含水相:所述水相包含具有至少一个-COOH或胺官能团的水溶性或可分散的引发剂和非离子乳化剂,所述乳化剂包含pH为4至12的水溶性或可分散材料, 水溶性或分散性引发剂选自具有CN = NC型结构和具有胺或羧基官能度的式I,II或III(在说明书中阐述)的引发剂。 第二组合物包含油相。 油相包括:i)一种或多种多官能丙烯酸酯或甲基丙烯酸酯单体或低聚物,基本上不含胺丙烯酸酯或胺甲基丙烯酸酯单体或低聚物,和可​​分散在油相中的引发剂; ii)0至10重量%的油相,单官能丙烯酸酯或甲基丙烯酸酯单体或低聚物; iii)预期的核心材料; 和iv)选自甘油和脂肪酸的酯的稀释剂,其中至少一种脂肪酸为C12或更大; 其中水相引发剂与多官能丙烯酸酯或甲基丙烯酸酯的重量比为0.1:99.9至20:80; 其中所述稀释剂与所述芯材料的重量比为0.1:99.9至90:10; 并且由此第一组合物和第二组合物的反应产物导致形成一组微胶囊。