245 results about "Zinc phthalocyanine" patented technology

A liquid crystal display device which includes a backlight device provided with an LED, and a color filter having colored layers of plural colors including a green layer, wherein the green layer of the color filter contains brominated zinc phthalocyanine green pigment and a dielectric loss tangent of the green layer at a driving frequency of a liquid crystal display device is confined to not more than 0.02.

The invention discloses preparation and application of a ZIF-8@zinc phthalocyanine composite. According to a preparation method for the ZIF-8@zinc phthalocyanine composite, the composite is synthesized by using a one-pot method at room temperature with Zn(NO3)2.(H2O)6 as a metal source, 2-methylimidazole as a ligand, CTAB as a surfactant and zinc phthalocyanine as a photosensitizer. The prepared ZIF-8@zinc phthalocyanine composite has the advantages of uniform particle distribution, good crystallization degree and good photodynamic activity. The preparation method has the advantages of simple operation, high yield, good product stability and the like, has wide application prospect and broadens the application scope of ZIF materials.

The invention relates to application of a photosensitizer for treating acne. The photosensitizer is amino acid zinc phthalocyanine or a derivative thereof or organic or inorganic salt thereof which is used as the photosensitizer in photodynamic therapy for treating acne. The photosensitizer is of targeting and targeting aggressivity to target germs. Photons with special energy excite target molecules of the photosensitizer, the target molecules of the photosensitizer can transfer energy to oxygen molecules, and high energy oxygen molecules kill adjacent target germs: propionibacterium acnes, escherichia coli and staphylococcus aureus to treat acne. The photosensitizer provided by the invention used to treat acne is good in effect, free from antibiotics and hormone and tolerance, less in side effect, safe and nontoxic and economic and practical; can efficiently and quickly kill propionibacterium acnes, escherichia coli and staphylococcus aureus which induce acne to treat acne and restore skins without damaging normal cells; and is small in use level of effect medicines, and strong in effect of killing acne pathogenic bacteria.

The invention discloses application of a zinc phthalocyanine complex as ink in micro-contact printing. The 2-propyl alcohol solution of 8(Octanohydroxamic)-zinc phthalocyanine serves as micro-contact printing ink; the pattern of a Polydimethylsiloxane (PDMS) seal is transferred to the surface of carboxylation polyethylene terephthalate, polyethylene naphthalate or polyimide substrate; and a delicate metal pattern is obtained on the substrate with a chemical plating method. The application of the zinc phthalocyanine complex as the ink in the micro-contact printing has the beneficial effect that the common phenomena of pattern inflation and pattern torsion in the micro-contact printing can be reduced by the phthalocyanine metal complex ink, and the phthalocyanine metal complex ink has a lowpreparation cost and great potential in the industrial application and is stable.

The coloring photosensitive composition of the invention has superior immobility for a formed coloring pattern even for high pigment density, great developing tolerance, suppresses pattern notch of development, and is useful for formation of the coloring pattern of a color filter. Furthermore, the invention also obtains a color filter with high color purity, high contrast, and good color performance, and a liquid crystal display with high brightness and clear image. The coloring photosensitive composition comprises (A) halogenated zinc phthalocyanine pigment, (B) a yellow pigment, (C) a polymer compound, (D) adhesive resin and (E) photopolymerization initiator, wherein the polymer compound comprises a (C-1) polymer compound with two polymer groups in one molecule and a (C-2) polymer compound with five or six polymer group in one molecule, and the content of the (C-1) polymer compound with two polymer groups in one molecule accounts for 15-40% of that of total quantity of the polymer compound by mass.

There are provide a pigment dispersion containing (A) a halogenated zinc phthalocyanine pigment, and (B) a copolymer of at least (b-1) a monomer having at least one group selected from an amino group and a nitrogen-containing heterocyclic group, (b-2) a monomer having a carboxyl group, and (b-3) a macromonomer having a weight-average molecular weight from 1,000 to 50,000, a colored curable composition containing the pigment dispersion, a color filter using the colored curable composition and a method for preparing the same.

The invention discloses amino phenoxy substituted phthalocyanine as well as a preparation method and application thereof. The amino phenoxy substituted phthalocyanine disclosed by the invention has the following characteristics that an amino has a PET (Polyethylene Terephthalate) effect and has relatively weak fluorescence emission in water, so that photothermal conversion of phthalocyanine is facilitated; particularly, (3-(N,N-dimethylamino)-phenoxy)tetra-substituted zinc phthalocyanine and (3-(N,N-dimethylamino)-phenoxy)tetra-substituted hollow phthalocyanine have a good photothermal effectand an in-vitro anti-tumor effect, so that the amino phenoxy substituted phthalocyanine is a novel organic photothermal material.

The invention discloses a copolymer containing a zinc-phthalocyanine group on a side chain and a preparation method thereof. The preparation method of the copolymer combines RAFT (reversible addition-fragmentation chain transfer) and a phthalocyanin annulation method for the first time to prepare the copolymer containing a zinc-phthalocyanine group on a side chain, and comprises the following steps of: on the presence of an initiator and a chain transfer agent, performing RAFT polymerization on a monomer methacrylic acid-6-(3,4-dicyanophenoxy)caprolactone to obtain a polymer PMADCE (polymethyl acrylic acid-6-(3,4-dicyanophenoxy)caprolactone) containing a phthalonitrile functional group on a side chain; and using the phthalonitrile functional group on the side chain of the PMADCE as a reaction point to perform phthalocyanin annulation with 4-(octyloxy)phthalonitrile in the presence of a heat-sensitive catalyst and zinc acetate so as to obtain a polymer PMADCE-ZnPc containing the zinc-phthalocyanine group on the side chain. The preparation method is few in step, simple, feasible, convenient in purification process, mild in reaction condition, controllable in process and high in conversion rate; and the PMADCE-ZnPc prepared by the method has good solubility and phthalocyanin functionality, can be used as a photoelectric material, and has good application prospects in solar cells, sensors and information storage.

2-monocarboxyl substituted zinc phthalocyanine-oligopoly lysine coupler, its production and use are disclosed. The process is carried out by taking zinc acetate, phthalic anhydride and metaben anhydride triformate as initial raw materials, solid-phase synthesizing, chromatograph column separating to obtain pure 2-monocarboxy substituted zinc phthalocyanine, coupling it with oligopoly lysine to obtain the final product. It's multi-functional, non-toxic and has excellent broad-spectrum performance. It can be used to treat periodontal diseases.

The invention provides an optical energy antibacterial nano fiber composite material and application of the material to air purification products. Particularly, the optical energy antibacterial nano fiber composite material comprises (1) an antibacterial layer which contains an efficient organic amino zinc phthalocyanine photocatalyst stimulated by laser, and (2) a filtering layer composed of nano fibers, wherein the two layers are fused by adopting a special hot fusion process to form the composite material. The antibacterial layer contains the organic amino zinc phthalocyanine photocatalyst stimulated by the laser, and high-energy-state oxygen is generated to kill microorganisms, pathogenic bacteria and drug resisting bacteria; and a net-shaped structure formed by the nano fibers of the filtering layer can be used for effectively filtering PM2.5 fine particles with the sizes being more than 0.3 micron. An air filtering element prepared from the composite material can be applied to the air purification products including mask filtering sheets, air purifiers, air conditioners and the like and is used for efficiently purifying air; the bacteria can be effectively killed and secondary pollution is avoided; and filtered dust accumulated in a use process is convenient to clean and the filtering element can be repeatedly utilized, so that the environmental friendliness and resource conservation are facilitated.

The invention provides a preparation method of high-activity zinc phthalocyanine-monoclonal antibody tumor-targeted photosensitive immunoconjugate and a technical method for anti-tumor application of the immunoconjugate. Monocarboxyl zinc phthalocyanine with a single structure is reacted with lysine hydrazine pentamer to form a water-soluble monocarboxyl zinc phthalocyanine hydrazine derivative with high reaction activity; meanwhile, the monoclonal antibody with anti-tumor activity is selected; under a neutral condition, glycosyl non-related to activity of the antibody is mildly oxidized into an aldehyde group with sodium periodate; and at 4 DEG C, excess monocarboxyl zinc phthalocyanine hydrazine derivative is extremely easy for reacting with the aldehyde group and the reaction product is further reduced into stable photosensitive immunoconjugate to obtain the high-purity photosensitive immunoconjugate. The preparation method has the characteristics of low temperature, neutral conditions and no use of any organic solvent. In-vitro anti-tumor experiments prove that the conjugate has extremely high selectivity and anti-tumor activity as well as application value.

A colored curable composition for a solid-state image pickup device, including a polyhalogenated zinc phthalocyanine pigment, a photopolymerization initiator, a polymerizable compound, and an epoxy compound.

A color filter including a transparent substrate, and colored layer having at least a red pixel, green pixel, and blue pixel, and formed on the transparent substrate, wherein the green pixel contains a zinc phthalocyanine halide-based pigment, and has a perpendicular optical retardation Rth(G) satisfying formula Rth(G)>0, Rth(G) representing a product of a thickness of the green pixel and a value obtained by subtracting a refractive index in the thickness wise-direction of the green pixel from an average refractive index in the plane of the green pixel.

The invention relates to a zinc phthalocyanine derivative and a preparation method thereof. The chemical formula of the derivative is C56H52N12O8Zn. In the method, a pyrimidine oxy group with a long alcoxyl chain is introduced at the periphery of a large ring of zinc phthalocyanine, so that the amphipathy and the biocompatibility of the zinc phthalocyanine are improved, and the photodynamic activity is improved. The zinc phthalocyanine derivative is difficult to gather, so the improvement on the cellular uptake rate is facilitated, and the photodynamic activity is improved; the derivative has a single compound structure, an isomer does not exist, and the product can be purified easily; and the synthetic method is simpler, higher in yield and low in cost, and is favorable for industrialized production, few side reactions are performed, and raw materials are readily available.

The invention provides a colored photosensitive composition which, under the solution state, with excellent ageing stability and wide development latitude, causes no odor and allows formation of colored cured films with good solvent resistance, and also provides a color filter with good color characteristics of high color purity and high contrast ratio, a color filter manufacture method, and a liquid crystal display deice having such a color filter. The colored photosensitive composition comprises a halogenated zinc phthalocyanine pigment (A), a polymeric monomer (B) having an acid group, an adhesive resin (C), a photoplymerization initiator (D), a chain transfer agent (E) selected from secondary or tertiary aliphatic thiol compounds, and a solvent (F).

The invention provides a colored curable resin composition which comprises a colorant, a resin, a polymerization compound, a polymerization initiator and a solvent. The colorant is that of a compound represented in formula (1) and a zinc phthalocyanine compound. The colorant can form a color filter with high clarity.

The invention discloses a 1-3 substituted aryloxide dendritic phthalocyanine complexes as well as a preparation method and use thereof, which includes the steps of: firstly synthesizing tree-shaped 1-3 alcohol molecules with 1-3 substituted cyano as end-group by Frechet synthesizing method. Then, synthesizing corresponding phthalocyanine precursor containing tree-shaped molecule using '1-3' substituted cyano as end-group from reaction of 4-nitro phthalonitrile with '1-3' substituted alcohol respectively. Subsequently, synthesizing corresponding aryloxide dendritic phthalocyanine using '1-3' substituted cyano-containing end-group from '1-3' substituted tree-shaped molecule phthalocyanine precursor ring using cyano as end-group. As well as hydrolyzing aryloxide dendritic phthalocyanine containing cyano end-group into '1-3' aryloxide phthalocyanine using carboxy group as end-group. The invention also discloses application of 1-3 substituted aryloxide dendritic phthalocyanine complexes in photosensitive agent for photodynamic therapy, and the phthalocyanine has the advantages that the phthalocyanine is not liable to form into aggregates under high concentration, the quantum productivity of singlet oxygen is high, and the light-sensitive activity of the photosensitive agent is high.

The invention discloses a bi-zinc-phthalocyanine coordination compound and a preparation method and an application thereof. A molecular structural formula of the bi-zinc-phthalocyanine coordination compound is as described in a specification (I). The preparation method of the bi-zinc-phthalocyanine coordination compound comprises steps of preparing a reaction solution and enabling the reaction solution to be reacted. The above bi-zinc-phthalocyanine coordination compound has no photosensitive activity when being stimulated by red light. A disulfide chemical bond of the bi-zinc-phthalocyanine coordination compound is restored by GSH (Glutathione) in a certain concentration and accordingly a zinc phthalocyanine coordination compound monomer is obtained, the photosensitive capability of the zinc phthalocyanine coordination is restored, a tumor tissue is high in GSH level, and the optical activity of the bi-zinc-phthalocyanine coordination compound is high in targeting of tumor. According to the preparation method of the bi-zinc-phthalocyanine coordination compound, only the reactant beta- single carboxyl replaced zinc phthalocyanine and 2, 2'-disulfanediyldiethanol are reacted, the reaction technology is simple and the target product yield and purity are high. The bi-zinc-phthalocyanine coordination compound can be widely applied to photodynamic drugs or photosensitive drugs.

The invention discloses a visible light photocatalysis and adsorption material for removing harmful chemical substances leaked in water. Polypropylene floating absorption materials are used as substrates for the visible light photocatalysis and adsorption material, and tetra-isopropoxy zinc phthalocyanine-graphene molecules are supported on the polypropylene floating absorption materials by diatomaceous earth media. A method for preparing the tetra-isopropoxy zinc phthalocyanine-graphene molecules includes steps of mixing tetra-isopropoxy zinc phthalocyanine and graphene oxide with each other in dichloromethane solution to obtain mixtures and heating and stirring the mixtures; drying the mixtures and removing solvents to obtain the tetra-isopropoxy zinc phthalocyanine-graphene molecules. The visible light photocatalysis and adsorption material has the advantages that the visible light photocatalysis and adsorption material is specially provided for removing the harmful chemical substances leaked in the water of rivers, lakes and adjacent sea for special water environments of the rivers, the lakes and oceans; the visible light photocatalysis and adsorption material does not contain harmful metal elements, natural light sources can be efficiently utilized, and secondary pollution can be abated; existing adsorption materials are innovated, and the visible light photocatalysis and adsorption material has a huge development value and a broad application prospect.

The invention relates to an in-situ preparation method of a zinc phthalocyanine/carbon nanotube composite catalyst based on a solvothermal method. The in-situ preparation method comprises the steps of pretreating a carbon nanotube: adding concentrated nitric acid to the carbon nanotube, flowing back, heating, mixing, cooling, washing with water to be neutral, performing suction filtration, and drying; preparing the zinc phthalocyanine/carbon nanotube composite catalyst: adding the carbon nanotube, phthalonitrile, octan zinecnaty, 1,8-diazabicyclo [5,4,0] hendecane-7-alkene and the carbon nanotube to a beaker, adding a solvent, mixing for 30 minutes, and then pouring into a reaction still for solvothermal reaction. The in-situ preparation method has the beneficial effects that the used solvent is low in price and is easy to obtain, and no environmental pollution is generated; the preparation method of the zinc phthalocyanine/carbon nanotube is simple, the reaction time is short, the aftertreatment is easy, and industrial production is facilitated; effective degradation of pollutants malachite green is realized, and the photocatalytic activity is obviously better than that of pure zinc phthalocyanine particles.

Disclosed is a color filter substrate provided with a transparent substrate, and a plurality of color pixels including a green pixel and formed on the transparent substrate. The green pixel contains halogenated zinc phthalocyanine-based green pigment and at least one kind of yellow pigment and satisfies prescribed three conditions, and absolute value of retardation in thickness direction (Rth) of the green pixel is confined to no more than 2 nm.