Polyhedral oligomeric silsesquioxane and preparation method thereof
AssigneeLG Chem, Ltd.
InventorsJi Young Choi, Dai Seung Choi, Young Jee Song
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Abstract
Provided are a polyhedral oligomeric silsesquioxane and a preparation method thereof, more particularly, a polyhedral oligomeric silsesquioxane itself which has a low refractive property and enables formation of a coating layer with excellent chemical and mechanical properties, and provides excellent adhesive strength for the surfaces of various substrates, and a preparation method thereof.
Claims14
A polyhedral oligomeric silsesquioxane represented by the following Chemical Formula 1:
- (R1SiO1.5)x(R2SiO1.5)y(R3SiO1.5)z [Chemical Formula 1]
- wherein R1 and R2 are each independently a hydrocarbyl group having 1 to 10 carbon atoms, in which at least one hydrogen atom is substituted with a halogen atom, and R1 has a substitution ratio of the halogen atom in the hydrocarbyl group of less than 50%, and R2 has a substitution ratio of the halogen atom in the hydrocarbyl group of 50% or more,
- R3 is an unsaturated functional group;
- x and y are each independently an integer of 1 to 12, and z is an integer of 2 to 12.
A method of preparing a polyhedral oligomeric silsesquioxane, the method comprising the step of reacting a reaction mixture including a first silane compound represented by the following Chemical Formula 1x, a second silane compound represented by the following Chemical Formula 1y, and a third silane compound represented by the following Chemical Formula 1z:
- R1SiX13 [Chemical Formula 1x]
- R2SiX23 [Chemical Formula 1y]
- R3—SiX33 [Chemical Formula 1z]
- wherein R1 and R2 are each independently a hydrocarbyl group having 1 to 10 carbon atoms, in which at least one hydrogen atom is substituted with a halogen atom, and R1 has a substitution ratio of the halogen atom in the hydrocarbyl group of less than 50%, and R2 has a substitution ratio of the halogen atom in the hydrocarbyl group of 50% or more,
- R3 is an unsaturated functional group;
- X1 to X3 are the same as or different from each other, and each independently a halogen atom or an alkoxy group having 1 to 5 carbon atoms.
Dependencies are inferred from the claim text.