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POLYUREA OR POLYURETHANE CAPSULES
专利权人:
International Flavors &; Fragrances Inc.
发明人:
Yabin LEI,Li XU,Lewis Michael POPPLEWELL
申请号:
US16592033
公开号:
US20200046616A1
申请日:
2019.10.03
申请国别(地区):
US
年份:
2020
代理人:
摘要:
Polyurea capsule compositions. A subset of these compositions contain a plurality of capsules and a capsule formation aid, in which each of the capsules contains a polyurea wall and an oil core; the polyurea wall is formed of a reaction product of a polyisocyanate and a cross-linking agent in the presence of the capsule formation aid; and the oil core contains an active material. The polyisocyante, cross-linking agent, and capsule formation aids are described herein. Also disclosed are methods of preparing polyurea capsule compositions, as well as consumer products containing one of these compositions.
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