Abstract:
Disclosed is a polymer comprising a repeating unit represented by Chemical Formula 1, or a polymer comprising a repeating unit represented by Chemical Formula 2: wherein R1, R2, x and y are as defined herein.
Abstract:
A method of imparting hydrophilicity to a surface of a material, which comprises providing a base material comprising a surface; applying and chemically fixing a siloxane oligomer represented by Chemical Formula 1 to the surface of the base material to form a siloxane-modified surface; and applying a phosphonic acid compound represented by Chemical Formula 2 to the siloxane-modified surface and carrying out a reaction therebetween to form an organosiloxane coating: wherein in Chemical Formula 1, R1, R2, and R3 are the same or different, and are each independently hydrogen or a C1 to C3 alkyl group, A is a single bond or a C1 to C5 alkylene group, and n ranges from 2 to 30; GN[CH2PO3H2]2 Chemical Formula 2 wherein in Chemical Formula 2, G is —CH2PO3H2, a group represented by Chemical Formula 3, or a group represented by Chemical Formula 4 as defined herein.
Abstract translation:赋予材料表面亲水性的方法,其包括提供包含表面的基材; 将由化学式1表示的硅氧烷低聚物施加和化学固定到基材的表面以形成硅氧烷改性的表面; 并将由化学式2表示的膦酸化合物施加到硅氧烷改性表面上并进行反应以形成有机硅氧烷涂层:其中在化学式1中,R 1,R 2和R 3相同或不同,各自相同或不同 独立地为氢或C1〜C3烷基,A为单键或C1〜C5亚烷基,n为2〜30; GN [CH 2 PO 3 H 2] 2化学式2其中在化学式2中,G是-CH 2 PO 3 H 2,由化学式3表示的基团,或由本文定义的化学式4表示的基团。
Abstract:
An article having a hydrophilic surface of a material, including a base material having a surface; and a siloxane oligomer represented by Chemical Formula 1 chemically affixed to the surface of the base material wherein the organosiloxane coating comprises a reaction product of a siloxane oligomer represented by Chemical Formula 1 or a polysiloxane derived therefrom, with a phosphonic acid compound represented by Chemical Formula 2: herein in Chemical Formula 1, R1, R2, and R3 are the same or different, and are each independently hydrogen or a C1 to C3 alkyl group, A is a single bond or a C1 to C5 alkylene group, and n ranges from 2 to 3; GN[CH2PO3H2]2 Chemical Formula 2 wherein in Chemical Formula 2, G is —CH2PO3H2, a group represented by Chemical Formula 3, or a group represented by Chemical Formula 4 as described herein.
Abstract:
A poly(amide-imide) block copolymer that includes: a first segment including a structural unit represented by Chemical Formula 1C, and a second segment including a structural unit represented by Chemical Formula 2: In Chemical Formula 1C and Chemical Formula 2, R5 to R13, and n3 to n8 are the same as in the specification.
Abstract:
A retardation film including: a first optical anisotropic layer including a polymer material; and a second optical anisotropic layer including a liquid crystal material, in which the first optical anisotropic layer has refractive indices which satisfy the following inequation: nz1≧nx1>ny1, the second optical anisotropic layer has refractive indices which satisfy the following inequation: nx2>ny2≧nz2, a fast axis of the first optical anisotropic layer and a slow axis of the second optical anisotropic layer form a predetermined angle such that refractive indices of the retardation film satisfy the following inequation: 0
Abstract:
A method of imparting hydrophilicity to a surface of a material, which includes providing a base material having a surface; applying and chemically fixing a siloxane oligomer represented by Chemical Formula 1 to the surface of the base material to form a siloxane-modified surface; and applying a glycidol compound represented by Chemical Formula 2 to the siloxane-modified surface; and carrying out a reaction therebetween to form an organosiloxane coating having a N,N-bis(hydroxyalkyl)aminoalkyl group: wherein R1, R2, and R3 are the same or different and are each independently hydrogen or a C1 to C3 alkyl group, A is a single bond or a C1 to C5 alkylene group, and n ranges from 2 to 30; wherein each R is the same or different, and is as defined herein, and L is a substituted or unsubstituted C1 to C3 alkylene group.