Novel ice-controlling molecules and their applications

Details Novel ice-controlling molecules and their applications Novel ice-controlling molecules and their applications

C - Chemistry, Metallurgy

09

K

C09K 3/18 (2006.01) A01G 13/00 (2006.01) A01N 1/02 (2006.01) A23G 9/52 (2006.01) A23L 3/36 (2006.01) A23L 3/37 (2006.01) C07H 21/00 (2006.01) C07K 2/00 (2006.01) C08B 37/00 (2006.01)

Patent

CA 2217069

A dispersal pattern of hydrogen bonding sites on an ice surface is used as a template in a process for the design, selection and manufacture of synthetic ice interface dopants. Ice interface dopants are molecules which when bound to a surface of an ice crystal inhibit the incorporation of additional water molecules into the crystal. The ice interface dopants thus inhibit ice crystal growth, recrystallization, and sublimation, Ice interface dopants can also inhibit heterogenous nucleating agents, and thus postpone or prevent ice nucleation. Exemplary dopant structures are provided that achieve near-perfect ice-bonding efficiency while being thoroughly adaptable to a wide variety of specialized ice-bonding application. Orbital steering provides for steering lone pair orbitals of ice-bonding atoms in the interface dopant to result in an optimal angular alignment with the complementary binding sites on ice.

L'invention concerne une configuration de dispersion des sites de liaison hydrogène sur une surface de glace qui est utilisée comme modèle pour la conception, la sélection et la fabrication d'interfaces dopants de la glace synthétique. Ces dopants d'interface sont des molécules qui, liées à la surface d'un cristal de glace inhibent l'incorporation de nouvelles molécules d'eau dans le cristal. Ils inhibent donc la croissance des cristaux de glace, la recristalisation et la sublimation. Ils peuvent aussi inhiber les agents de nucléation hétérogènes, et donc retarder voire empêcher la nucléation de la glace. Certaines structures dopantes permettent de réaliser des liaisons au sein de la glace presque parfaites, tout en étant parfaitement adaptables à toute une gamme d'applications spécialisées de liaison de la glace. L'orientation orbitale permet d'orienter les orbitales de paires isolées d'atomes de liaison de la glace dans le dopant d'interface et d'obtenir ainsi un alignement angulaire optimal avec les sites de liaisons complémentaires sur la glace.

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