Polyester-polyether solid article comprising pheromone
AssigneeThe Procter & Gamble Company
InventorsSusana FERNANDEZ PRIETO, Johan SMETS, Isabelle GUIMET, Peter DE NIES, Domenico PIRONE, Jose Blas MARTINEZ HERNANDEZ, Gaurav SAINI, Robert Joseph MCCHAIN, Esperanza CORTES TRIVINO, Inmaculada MARTINEZ GARCIA
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Abstract
Provided herein is a solid article for sustained release of one or more pheromones, comprising at least 5 wt % of one or more pheromones embedded in a gel matrix, wherein said gel matrix is formed from a chemically cross-linked polyester-polyether copolymeric material.
Claims20
A solid article for sustained release of one or more pheromones, comprising at least 5 wt % of one or more pheromones embedded in a gel matrix,
- wherein said gel matrix is formed from a chemically cross-linked polyester-polyether copolymeric material.
A method of making a solid article, comprising the steps:
- (i) reacting a starting material with an acid anhydride to form an intermediate compound, where the starting material comprises at least 2 functional groups selected from the group consisting of hydroxyl, alkene, conjugated diene, alkyne and combinations thereof;
- (ii) mixing the intermediate compound with a polyepoxide comprising at least two epoxide rings;
- (iii) adding one or more pheromones and mixing until homogeneous;
- and
- (iv) allowing the mixture to rest for at least 4 hours.
Dependencies are inferred from the claim text.