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US 2019/0169464 A1Published application
Interpenetrating polymer networks
AssigneeThe Australian National University
InventorsWilliam Sai Yau Wong, Antonio Tricoli, David Russell Nisbet, Zbigniew Stachurski
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Abstract
The invention relates to a film comprising an interpenetrating network, its uses and processes for making the same. The film produced displays good durability, chemical resistance and transparency. The film is produced from an interpenetrating network formed as a colloidal suspension in an organic solvent and a particulate solid.
Claims49
A process for making a coating comprising an interpenetrating polymer network, said process comprising the steps of:
- a) applying a colloidal suspension to a surface to produce a coated surface, wherein the colloidal suspension comprises colloidal particles suspended in an organic solvent, and wherein the colloidal particles comprise an interpenetrating polymer network, and;
- b) applying a particulate solid to the coated surface, wherein substantially the entire surface of the particulate solid is hydrophobic.
A film comprising:
- a base layer comprising a polyurethane and a polyacrylate in an interpenetrating polymer network, and;
- a hydrophobic particulate solid at least partially embedded in the upper surface of the base layer, wherein the hydrophobic particulate solid comprises a surface which is substantially entirely hydrophobic.
Dependencies are inferred from the claim text.