Anti-bacterial and anti-fingerprint coating composition, film comprising the same, method of coating the same and article coated with the same
AssigneeSamsung Electronics Co., Ltd.
InventorsByung Ha PARK, Soo Jin PARK, Jun Sung CHUNG, In Oh HWANG
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Abstract
Disclosed is an anti-bacterial and anti-fingerprint coating composition for forming a multi-functional coating layer having both anti-bacterial functions and anti-fingerprint functions on surfaces of touchscreens provided in portable terminals such as cellular phones, of panels or the like, provided in display devices such as liquid crystal displays (LCDs) or plasma display panels (PDPs), by a dry deposition method.
Claims21
A coating composition comprising a quaternary ammonium silane compound comprising:
- an Ra group represented by a formula of —[R2(OCH2CH2)mOR1],
- wherein R1 comprises at least one selected from the group consisting of hydrogen and a C1-C3 alkyl group, R2 comprises at least one selected from the group consisting of a C5-C20 alkylene group, a C5-C20 alkenylene group, a C5-C20 alkynylene group, a C5-C20 arylene group, a C6-C20 aryl-alkylene group, a C5-C20 cyclic alkylene group and a C5-C20 alkylene group containing a heteroatom, and m is an integer of 1 to 12;
- and
- a silane group represented by a formula of —[SiXpYq],
- wherein X comprises at least one selected from the group consisting of a C1-C3 alkyl group, Y comprises at least one selected from the group consisting of a halogen atom, a methoxy group and an ethoxy group, p is 0, 1 or 2, and p+q is 3.
A coating composition comprising:
- a silane compound represented by a formula of R1′O—(CH2CH2O)m′—R2′—SiX′p′Y′q′,
- wherein R1′ comprises at least one selected from the group consisting of hydrogen and a C1-C3 alkyl group, R2′ comprises at least one selected from the group consisting of a C5-C20 alkylene group, a C5-C20 alkenylene group, a C5-C20 alkynylene group, a C5-C20 arylene group, a C6-C20 aryl-alkylene group, a C5-C20 cyclic alkylene group and a C5-C20 alkylene group containing a heteroatom, X′ comprises at least one selected from the group consisting of a C1-C3 alkyl group, Y′ comprises at least one selected from the group consisting of a halogen atom, a C1-C8 alkoxy group and a hydroxyl group, m′ is an integer of 1 to 12, p′ is 0, 1 or 2, and p′+q′ is 3;
- and
- an anti-bacterial metal complex.
A quaternary ammonium silane compound comprising:
- an Ra group represented by a formula of —[R2(OCH2CH2)mOR1],
- wherein R1 comprises at least one selected from the group consisting of hydrogen and a C1-C3 alkyl group, R2 comprises at least one selected from the group consisting of a C5-C20 alkylene group, a C5-C20 alkenylene group, a C5-C20 alkynylene group, a C5-C20 arylene group, a C6-C20 aryl-alkylene group, a C5-C20 cyclic alkylene group, and a C5-C20 alkylene group containing a heteroatom, and m is an integer of 1 to 12;
- and
- a silane group represented by a formula of —[SiXpYq],
- wherein X comprises at least one selected from the group consisting of a C1-C3 alkyl group, Y comprises at least one selected from the group consisting of a halogen atom, a C1-C3 alkoxy group and a hydroxyl group, p is 0, 1 or 2, and p+q is 3.
A coating composition for a substrate, comprising:
- a quaternary ammonium silane that imparts anti-finger printing properties and anti-bacteria properties to the coated substrate.
Dependencies are inferred from the claim text.