B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 13/16 (2006.01) B01J 13/22 (2006.01)
Patent
CA 2487444
A series of paraffin compounds, the phase change materials (PCMs), were microencapsulated in an interfacial polymerization process to form the double- shell microcapsules with relatively low shell permeability. The inner shell is formed through the reaction between polypropylene glycols and bifunctional polyisocyanates and the outer through the reaction between bifunctional polyisocyanates and polyamines added in the continuous aqueous phase. The so prepared microencapsulated paraffin compounds emulsion can be used as the medium for temperature management in many fields.
L'invention concerne une série de composés paraffine, les matériaux de changement de phase (PCM), qui sont microencapsulés dans un processus de polymérisation interfaciale afin de former des microcapsules double coque à perméabilité relativement réduite de la coque. La coque intérieure est obtenue par réaction entre des polypropylène glycols et des polyisocyanates bifonctionnels et l'autre, par réaction entre des polyisocyanates bifonctionnels et des polyamines ajoutées dans la phase aqueuse continue. L'émulsion de composés paraffine microencapsulés ainsi préparée peut s'utiliser comme substance pour réguler la température dans de nombreux domaines.
Li Yi
Newton Edward
Xing Jianwei
Yeung Kwok-Wing
Nano-Sports Technologies Ltd.
Smart & Biggar
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