16 results about "Phenyltriazine" patented technology

The application discloses an alkali ion type covalent organic framework material and a preparation method and application thereof, wherein 2,4,6-tris(4-formylphenyl)-1,3,5-triazine, 1,4-diisocyanobenzene and 2-aminopyridine are used as building units, a covalent organic framework containing pyrimidine is obtained through a condensation reaction, and then a quaternary ammonium reaction and an ion exchange reaction are sequentially performed to obtain the alkali ion type covalent organic framework.The alkali ion type covalent organic framework material prepared by the application has rich alkali sites, developed pore structures and good chemical stability, exhibits good catalytic performance as a catalyst for one-pot preparation of dimethyl carbonate from CO2, an epoxide compound and methanol, and also shows good cycle stability.

The invention belongs to the technical field of chemical analysis, and particularly relates to a sample pretreatment technology and an analysis method of a triazine herbicide. The ionic type conjugated microporous polymer is formed by polymerization of 2, 4, 6-tri (4-ethynyl phenyl)-1, 3, 5-triazine (TEPT) and 1, 3-bis (4-bromophenyl)-1H-imidazole-3-onium bromide, and the ionic type conjugated microporous polymer is formed by polymerization of 1, 3-bis (4-bromophenyl)-1H-imidazole-3-onium bromide. The ionic type conjugated microporous polymer is prepared by cross coupling of 2, 4, 6-tri (4-ethynyl phenyl)-1, 3, 5-triazine (TEPT) and 1, 3-bis (4-bromophenyl)-1H-imidazole-3-onium bromide, and the ionic type conjugated microporous polymer is prepared by cross coupling of 2, 4, 6-tri (4-ethynyl phenyl)-1, 3, 5-triazine (TEPT) and 1, 3-bis (4-bromophenyl)-1H- The ionic conjugated microporous polymer is used for preparing a solid phase extraction (SPE) small column, an SPE-LC-MS / MS is established after the extraction condition is optimized, and the SPE-LC-MS / MS is used for selective enrichment and accurate detection of trace triazine herbicides in environmental water bodies (such as underground water and waste water) and food samples.

The application discloses a kind of preparation methods of flame-retardant aging-resistant high-transparency polyurethane, the polyurethane is first with 2-amino-1,3-propanediol, 2-chloro-4,6-diphenyl-1,3,5-triazine, diphenyl phosphorochloridate and triphenylchlorosilane composite preparation DADT, then DADT is mixed with polyether polyol, isocyanate to obtain;The preparation method of the application is simple, the process is easy to control, the obtained polyurethane material limit oxygen index reaches 29.6%, meets commercial flame-retardant standard and reaches UL-94 V-0 flame-retardant grade;Material has excellent aging resistance, heat-oxygen tensile strength retention rate is 88.5%, heat-oxygen breaking elongation retention rate is 77.4%, and ultraviolet breaking elongation retention rate is 71.4%, can be applied to automobile ultraviolet protection diaphragm, flame-retardant filled foam, fire guide sign protection film and the like scene.

The application provides a high-efficiency thermally activated delayed fluorescence host material and a preparation method and application thereof, belongs to the technical field of organic photoelectric materials, and is obtained by combining 5,7-dihydro-7,7-dimethylindeno[2,1-b]carbazole and 2-(3-bromophenyl)-4,6-diphenyl-1,3,5-triazine, has the advantages of simple synthesis method, easily obtained raw materials, stable material structure, easy storage, and the like. The synthesized thermally activated delayed fluorescence host material is applied to an OLED device, the bromine atom attached to the triazine fragment enhances single-triplet state exciton conversion, improves high-efficiency energy transmission to a guest light-emitting material, and thus improves device efficiency. Compared with a traditional host material CBP, the application has obvious advantages, and thus has a wide application prospect and is optimistic, and is expected to be widely applied in the fields of flat panel display and solid-state lighting.

Embodiments of the present disclosure provide a glass fiber reinforced polyamide material and a method for preparing thereof. The glass fiber reinforced polyamide material includes components in the following parts by weight: 48-99.8 parts of a polyamide resin, 0-50 parts of a glass fiber, 0.05-2 parts of a thermal stability additive, and 0.1-2 parts of other additives. The thermal stability additive is hydroxyphenyltriazine compounds.

The invention provides photoresist stripping liquid as well as a preparation method and application thereof, and belongs to the technical field of semiconductor manufacturing processes. The photoresist stripping liquid comprises the following raw materials in parts by weight: 20-75 parts of an alkyl ketone organic solvent, 5-30 parts of a sulfoxide organic solvent, 5-20 parts of an alcohol amine organic solvent and 0.1-5 parts of a functional additive, the functional additive is a 2, 4, 6-tri (4-phenyl)-1, 3, 5-triazine derivative and methyl 4-isopentenyloxycinnamate, and the functional additive is a 2, 4, 6-tri (4-phenyl)-1, 3, 5-triazine derivative and methyl 4-isopentenyloxycinnamate. According to the invention, the planar conjugation of the phenyl triazine derivative and the multi-claw anchoring effect of a functional group are utilized, and the long-chain hydrophobic effect of the methyl 4-isopentenyloxycinnamate is combined, so that the photoresist stripping liquid has targeted photoresist removal and multi-layer corrosion resistance in chip cleaning, and the problems that the surface photoresist is difficult to clean and the yield is low in chip production are solved.

The invention discloses a preparation method of flame-retardant anti-aging high-transparency polyurethane, which comprises the following steps: firstly, compounding 2-amino-1, 3-propylene glycol, 2-chloro-4, 6-diphenyl-1, 3, 5-triazine, diphenyl hypophosphorous chloride and triphenylchlorosilane to prepare DADT (diphenyldisiloxane), and then mixing the DADT with polyether polyol and isocyanate to prepare the flame-retardant anti-aging high-transparency polyurethane. The preparation method is simple, the process is easy to control, the limit oxygen index of the obtained polyurethane material reaches 29.6%, the commercial flame retardant standard is met, and the UL-94 V-0 flame retardant grade is reached; the material has excellent aging resistance, the thermo-oxidative tensile strength retention rate is 88.5%, the thermo-oxidative elongation at break retention rate is 77.4%, the anti-ultraviolet elongation at break retention rate is 71.4%, and the material can be applied to scenes such as automobile anti-ultraviolet diaphragms, flame-retardant filling foam and fire-fighting guide sign protective films.

The application relates to the technical field of super-hydrophobic coating, and discloses a preparation method and application of a water-based anti-pollution coating. 40-70 parts by weight of a silicone triazine polymer, 100 parts by weight of a water-based epoxy resin emulsion, 10-30 parts by weight of nano-silicon dioxide, 0.6-1 part by weight of an emulsifier, 32-40 parts by weight of a curing agent and the like are mixed and heat-cured to obtain the water-based anti-pollution coating. The silicone triazine polymer and the epoxy resin are subjected to ring-opening curing reaction, the heat-resistant phenylsiloxane structure and the phenyl triazine ring structure are bonded to the molecular chain of the epoxy resin, and the heat resistance of the coating is improved. The silicone triazine polymer contains a plurality of long carbon chains with strong hydrophobicity and a phenylsiloxane structure, and is combined with the nano-silicon dioxide, so that the coating has unique super-hydrophobic properties, the anti-sedimentation, anti-water and anti-pollution performances are high, and the wet heat resistance is excellent.

The present invention relates to a use of a co-stabilizer of the formula (1) as defined below to further increase the stability against degradation induced by light of a synthetic polymer which is stabilized with a hydroxyphenyl triazine, and where the hydroxyphenyl triazine is different from the co-stabilizer of the formula (1).

This invention discloses a triazine-based fluorescent probe compound YJA, its preparation method, and its applications. The chemical name is 4'-(4,6-diphenyl-1,3,5-triazine-2-yl)-[1,1'-biphenyl]-4-yldiphenylphosphine ester, and the molecular formula is C2. 39 H 28 N3O2P. This invention prepares a novel triazine ring-based fluorescent probe, YJA, which exhibits advantages such as ultra-low detection limit (0.73 nM), rapid response, excellent selectivity, good pH stability (pH 4-11), and low cytotoxicity. It has been successfully applied to exogenous ONOO in HeLa cells. ‑ Fluorescence imaging and ONOO based on test strips ‑ Simple, visual, and rapid detection. The preparation method of this fluorescent probe is simple, uses readily available raw materials, and yields a white solid product that is easy to store. It has broad application prospects and can be mass-produced and applied.

The invention discloses a covalent organic framework material based on a triazanacoronene structure as well as a preparation method and application thereof, and belongs to the technical field of organic porous materials, the covalent organic framework material is synthesized from an amino monomer and an aldehyde monomer; wherein the amino monomer is 4, 4 ', 4' '-(3, 4, 7, 8, 11, 12-hexamethoxy benzo [lmn] phenanthroline [2, 1, 10, 9-defgh] [2, 8] phenanthroline-2, 6, 10-trimethylene) triphenylamine, and the amino monomer is 4, 4', 4 ''-(3, 4, 7, 8, 11, 12-hexamethoxy benzo [lmn] phenanthroline [2, 1, 10, 9-defgh] [2, 8] phenanthroline-2, 6, 10-trimethylene) triphenylamine; the aldehyde group monomer is one or more of 2, 4, 6-tris (4-aldehyde phenyl)-1, 3, 5-triazine, 1, 3, 5-tris (p-formyl phenyl) benzene, tris (4-formyl phenyl) amine, or tris (triazole) triazine aldehyde, benzotrithiophene aldehyde, terephthalaldehyde, 2, 5-dimethoxy terephthalaldehyde, 2, 5-bis (allyloxy) terephthalaldehyde and 2, 5-bis (propargyl) terephthalaldehyde. The covalent organic framework material based on the triazanaphthalene coronene structure provided by the invention has the advantages of high crystallinity, high specific surface area, high chemical property, high thermal stability and the like.

The application discloses application of a bipyridyl group connected covalent triazine organic framework material in photocatalytic decomposition of water to simultaneously produce hydrogen and hydrogen peroxide, and belongs to the field of photocatalytic materials. The bipyridyl group connected covalent triazine organic framework material is synthesized by taking 2,4,6-tri(4-formylphenyl)-1,3,5-triazine and 5,5'-diamino-2,2'-bipyridine as reaction monomers, and then Pt is modified on the material by reduction to obtain a photocatalytic material capable of efficiently catalytically decomposing water into H2 and H2O2 under visible light. The bipyridyl group connected covalent triazine organic framework material synthesized in the application has more microporous structures, a narrower band gap width and a suitable energy band structure, and after loading the metal Pt on the material, the material can photocatalytically decompose water into H2 and H2O2 without using a sacrificial agent, so the material has great application potential.

The invention relates to a tinted sunscreen cosmetic composition, in the form of an emulsion, suitable for topical application to the skin, comprising water, the particulate sunscreen phenylene bis-diphenyltriazine, at least one emulsifier, at least one oily emollient, at least one pigment in a weight content of 1 to 5%, and a suspending agent selected from unmodified smectites in a weight content of 0.3 to 2%.

The present invention relates to a sunscreen or daily care composition, the sunscreen or daily care composition comprising: (i) dicocoyl pentaerythritol distearyl citrate; and (ii) at least one organic UV filter, the present invention relates to a composition selected from the group consisting of disodium phenyl dibenzimidazole tetrasulfonate (DPDT), hexyl diethylaminohydroxybenzoylbenzoate (DHHB), butyl methoxydibenzoylmethane (BMDBM), p-xylylenedicamphorsulfonic acid (TDSA), ethylhexyl triazinone (EHT), diethylhexyl butyramido triazinone (DBT), phenylbenzimidazole sulfonic acid (PBSA), and one or more additives selected from the group consisting of: disodium phenyl dibenzimidazole tetrasulfonate (DPDT); the present invention relates to a pharmaceutical composition, in particular, a pharmaceutical composition comprising: a silicone rubber composition comprising a silicone rubber composition, a silicone rubber composition comprising a silicone rubber composition, a silicone rubber composition comprising a silicone rubber composition, a silicone rubber composition comprising a silicone rubber composition, a silicone rubber composition comprising a silicone rubber composition, a silicone rubber composition comprising a silicone rubber composition, a silicone rubber composition comprising a silicone rubber composition, a silicone rubber composition comprising a silicone rubber composition, a silicone rubber composition comprising a silicone rubber composition, a silicone rubber composition comprising a silicone rubber composition, a silicone rubber composition comprising a silicone rubber composition, a silicone rubber composition comprising a silicone rubber composition, a silicone rubber composition comprising a silicone rubber composition, a silicone rubber composition comprising a silicone rubber composition, a silicone rubber composition comprising a silicone rubber composition, and a silicone rubber composition comprising a silicone rubber composition, a silicone rubber composition comprising a silicone rubber composition, and a silicone rubber composition comprising a silicone rubber composition, furthermore, the present invention relates to the use of dicocoyl pentaerythritol distearyl citrate for improving the sun protection factor (SPF) and water resistance of a sunscreen or daily care composition comprising at least one organic UV filter and a corresponding method of use.

The present invention provides a hard coat film that exhibits excellent initial adhesion and lightfastness between an easily adhesive layer and a hard coat layer, which are provided on a cycloolefin polymer film. [Solution] A hard coat layer containing an ultraviolet-curable resin, an ultraviolet absorber, and a dye is laminated on one side of a cycloolefin polymer film via an easy-adhesion layer. The ultraviolet absorber consists of a combination of a benzotriazole-based ultraviolet absorber and a hydroxyphenyltriazine-based ultraviolet absorber. The maximum absorption wavelength of the ultraviolet absorber is in the range of 350 nm to 380 nm, and the maximum absorption wavelength of the dye is in the range of 395 nm to 415 nm. After a lightfastness test on the hard coat film, the change in light transmittance at wavelengths of 350 nm to 380 nm is measured. The absolute value of the rate is 1.0% or less, the absolute value of the rate of change of light transmittance at 390 nm is 5.0% or less, the absolute value of the rate of change of light transmittance at 400 nm is 10.0% or less, the absolute value of the rate of change of light transmittance at 410 nm is 30.0% or less, the absolute value of the rate of change of light transmittance at 420 nm is 30.0% or less, the absolute value of the rate of change of light transmittance at 430 nm is 10.0% or less, the absolute value of the rate of change of light transmittance at 440 nm is 5.0% or less, and the absolute value of the rate of change of light transmittance at 450 nm is 5.0% or less.

The present invention relates to a stabilized polymer composition comprising an organic polymer material to be stabilized and a stabilizer composition comprising at least one UV absorber selected from the class of o-hydroxyphenyl-triazine UV absorbers; a secondary hindered amine light stabilizer (sec.-HALS); at least one antioxidant selected from the group consisting of hindered phenols, phosphites, phosphites, or any mixture thereof; a tertiary hindered amine light stabilizer (tert.-HALS); an alkoxylated alcohol; and optionally a hindered benzoic acid ester, which is more resistant to discoloration due to gas discoloration and thermal oxidation compared to polymer compositions in which the stabilizer composition does not comprise a tertiary HALS stabilizer and an alkoxylated alcohol. Further, a method for manufacturing a stabilized article is provided, the method comprising adding the stabilized polymer composition to a device or method for performing: industrial molding; industrial fiber manufacturing; an industrial tape; and extruding the sheet.