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1. WO2020005402 - ENCAPSULATION SYSTEM AND METHOD

Publication Number WO/2020/005402
Publication Date 02.01.2020
International Application No. PCT/US2019/032157
International Filing Date 14.05.2019
IPC
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
J
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
13
Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
02
Making microcapsules or microballoons
06
by phase separation
12
removing solvent from the wall-forming material solution
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
J
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
13
Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
02
Making microcapsules or microballoons
20
After-treatment of capsule walls, e.g. hardening
C CHEMISTRY; METALLURGY
09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
B
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; MORDANTS; LAKES
67
Influencing the physical, e.g. the dyeing or printing, properties of dyestuffs without chemical reaction, e.g. by treating with solvents; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
02
Dyestuff preparations characterised by special physical forms, e.g. tablets, films
B01J 13/12 (2006.01)
B01J 13/20 (2006.01)
C09B 67/02 (2006.01)
CPC
B01J 13/125
B01J 13/14
B01J 13/206
C09B 67/0097
Applicants
  • IDEALCHAIN, LLC [US/US]; 1-11 Travis Avenue Binghamton, NY 13904, US
  • CENTER FOR TECHNOLOGY LICENSING AT CORNELL UNIVERSITY; 395 Pine Tree Road Suite 310 Ithaca, NY 14850, US
Inventors
  • BATTY, Timothy, R.; US
  • JOO, Yong, Lak; US
  • KORAH, Mani; US
  • ZHMAYEV, Yevgen; US
  • DIVVELA, Mounica, Jyothi; US
Agents
  • PRICE, Frederick, J.M.; US
  • MCGUUIRE, George, R.; US
  • NOCILLY, David, L.; US
  • NOTO, Joseph, M.; US
  • BETTINGER, Blaine; US
Priority Data
16/021,83528.06.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ENCAPSULATION SYSTEM AND METHOD
(FR) SYSTÈME ET PROCÉDÉ D'ENCAPSULATION
Abstract
(EN)
An encapsulation system and method including a solution having a first system with a first rate of removal, a second system with a second rate of removal, and a material soluble in the first system, but not soluble in the second system. The first rate of removal is quicker than the second rate of removal, and removal of the first system from the solution creates a concentration of the second system and the material migrates around the second system. Thus, the material creates a shell around the second system, generating a capsule with a shell of the material and a core of the second system. Such material may include a polymer, copolymer, or block copolymer, while the second system is poor solvent for the material, such as hexadecane or Oil Red O. The first system is a good solvent for the material and is readily removable from solution via evaporation during processes like electrospraying.
(FR)
La présente invention concerne un système et un procédé d'encapsulation comprenant une solution présentant un premier système ayant une première vitesse d'élimination, un second système ayant une seconde vitesse d'élimination, et un matériau soluble dans le premier système, mais non soluble dans le second système. La première vitesse d'élimination est plus rapide que la seconde vitesse d'élimination, et l'élimination du premier système de la solution crée une concentration du second système et le matériau migre autour du second système. Ainsi, le matériau crée une enveloppe autour du second système, générant une capsule avec une enveloppe du matériau et un noyau du second système. Un tel matériau peut comprendre un polymère, un copolymère ou un copolymère séquencé, tandis que le second système est un mauvais solvant pour le matériau, tel que l'hexadécane ou l'huile rouge O. Le premier système est un bon solvant pour le matériau et peut être facilement éliminé de la solution par évaporation pendant des processus tels que l'électropulvérisation.
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