13 results about "Piperazine salt" patented technology

The invention provides a water-soluble composite flame-retardant aerogel, a preparation method thereof, a thermal insulation material and a water-soluble composite flame-retardant aerogel, the water-soluble composite flame-retardant aerogel is characterized in that the raw materials comprise hydrophilic isocyanate, konjac glucomannan, a water-soluble flame retardant and water, and the water-soluble flame retardant comprises piperazine amino trimethylene phosphonate. The aerogel has the advantages of excellent flame retardant property, excellent thermal stability, excellent compression strength and low size shrinkage rate.

The present invention provides a flame retardant composition which has an excellent flame retardancy and water resistance, a flame-retardant resin composition, a molded article, and a molded product thereof. The present invention provides a flame retardant composition characterized by containing the following component (A), component (B) and component (C). In the flame retardant composition, the component (A) is one or more melamine salts selected from the group consisting of melamine orthophosphate, melamine pyrophosphate and melamine polyphosphate; the component (B) is one or more piperazine salts selected from the group consisting of piperazine orthophosphate, piperazine pyrophosphate and piperazine polyphosphate; and the component (C) is an epoxy compound having a molecular weight or a number average molecular weight of from 300 to 10,000.

The invention discloses a fatigue-resistant composite material based on perfluororubber and a preparation method of the fatigue-resistant composite material, and relates to the technical field of rubber materials, an iron modified cysteine compound is prepared, and iron ions with flame-retardant elements and catalytic action are introduced into a flame-retardant system. The iron ions have catalytic performance, so that the carbonization reaction of the fatigue-resistant composite material of the perfluororubber in the combustion process can be promoted, and the flame retardance is improved. Phytic acid and piperazine are subjected to a salt forming reaction, phytic acid modified piperazine salt is prepared, the phytic acid modified piperazine salt and the iron modified cysteine compound are compounded, and the composite flame retardant is obtained. The composite flame retardant is loaded on aminated polyhedral oligomeric silsesquioxane, the specific surface area of the aminated polyhedral oligomeric silsesquioxane is large, a stable silicon dioxide carbon layer can be formed at high temperature, oxygen and heat are effectively isolated, and therefore combustion is prevented. The flame retardant is compounded with the composite flame retardant, and the flame retardance of the fatigue-resistant composite material is further enhanced through the synergistic effect of the two.

The invention belongs to the technical field of preparation of antitumor drugs, and particularly relates to an activatable BODIPY photosensitizer and a preparation method and biological application thereof, and a water-soluble photosensitive probe BDP-1 is obtained by modifying a BODIPY structure with a GSH response unit and piperazine salt. The BDP-1 can be activated by GSH (glutathione) overexpressed by tumor cells, and has good biocompatibility and tumor targeting property. By modifying different functional groups, the imaging effect is better, the water solubility is better, the phototoxicity is stronger, and an excellent PDT effect on a tumor-bearing Balb / c mouse model is shown. This is due to the specific enrichment of BDP-1 on tumor sites, and the concentration of the photosensitizer in tumor tissues is improved, so that the photodynamic therapy efficiency is improved.

The present application relates to pyrophosphate piperazine salt flame retardant technical field, the present application discloses a kind of high-temperature yellowing-resistant pyrophosphate piperazine salt complex and preparation method thereof, comprising the following steps:1) pyrophosphate piperazine salt is carried out constant-temperature heat treatment, cooling to room temperature for standby;2) auxiliary one and auxiliary two are blended into composite agent according to 1:3~3:1 ratio;3) composite agent is diluted and blended with the pyrophosphate piperazine salt treated after step 1) according to 1:5~1:9, dry after standby, obtain premix agent;4) premix agent is added to the pyrophosphate piperazine salt treated after step 1) according to 0.5%~5% addition amount, blend, dry after 60~150 DEG C, obtain high-temperature yellowing-resistant low-temperature method pyrophosphate piperazine salt complex;The present application is low-temperature method pyrophosphate piperazine salt as object, through heat treatment and auxiliary addition, solve the yellowing problem of pyrophosphate piperazine salt itself, improve its application performance in plastics.

A resin composition according to the present disclosure comprises a thermoplastic resin (A) and a phosphorus-based flame retardant (B). The phosphorus-based flame retardant (B) has a D50 of 11 μm or greater and a D90 of 20 μm or greater. The phosphorus-based flame retardant (B) includes a component (a), which is a specific melamine salt, and a component (b), which is a specific piperazine salt.

Provided herein are sodium salts, piperazine salts, and hydrochlorides or co-crystals of {2-[3-cyclohexyl-3-(trans-4-propoxy-cyclohexyl)-ureido]-thiazol-5-ylsulfanyl}-acetic acid ("Compound 1").

The invention belongs to the technical field of photovoltaic power generation, and provides a perovskite solar cell and a preparation method thereof. The cell comprises a substrate layer, a hole transport layer, a perovskite light absorption layer, a modification layer, an electron transport layer, an interface regulation and control layer and an electrode layer which are sequentially arranged from bottom to top, and the material of the modification layer is chlorophenyl piperazine salt. The preparation method mainly comprises the following steps: spin-coating a chlorphenyl piperazine salt solution on the perovskite light absorption layer, and annealing to obtain the modification layer. According to the chlorphenyl piperazine salt disclosed by the invention, the grain size of the perovskite thin film can be increased, the grain boundary is reduced, and the uniformity and compactness of the perovskite thin film are improved; and meanwhile, ion migration can be inhibited, interface and bulk phase defects can be reduced, interface energy level arrangement of the perovskite light absorption layer / electron transport layer can be optimized, defect auxiliary recombination and non-radiative recombination loss can be reduced, the service life of a film carrier can be prolonged, and the efficiency of a perovskite solar cell device can be further improved.

The invention discloses a preparation method of a degradable super-hydrophobic polysaccharide polymer packaging film with low-temperature toughness and antibacterial and anti-icing functions. The packaging film provided by the invention comprises a polysaccharide cationic derivative and nanoparticles, the polysaccharide cation derivative is selected from polysaccharide derivatives containing morpholine salt cations and / or piperazine salt cations. The packaging film disclosed by the invention has excellent super-hydrophobic, antibacterial and anti-icing properties. The packaging film has good mechanical strength and environmental protection performance, can be widely applied to the fields of cold-chain transportation, food preservation, medicine packaging and the like, and provides an innovative solution for functional packaging materials.

The flame-retardant composition of the present invention includes one or more melamine salt components (A) selected from the group consisting of melamine orthophosphate, melamine pyrophosphate, and melamine polyphosphate; one or more piperazine salt components (B) selected from the group consisting of piperazine orthophosphate, piperazine pyrophosphate, and piperazine polyphosphate; and one or more dialkyl phosphinate compounds components (C) represented by General Formula (1), in which a content of the component (C) is 0.2 parts by mass or more and 39 parts by mass or less based on 100 parts by mass of a total content of the component (A), the component (B), and the component (C).

The application discloses arylpiperazine salt compounds, a synthesis method thereof and application thereof in antidepressants, and belongs to the field of medicinal chemistry. The arylpiperazine salt compounds containing bioactivity are obtained through a plurality of continuous reactions such as N-alkylation, protection of a group, condensation and deprotection, etc. of arylpiperazine as raw material. Researches show that the compounds exhibit high receptor binding of 5-HT 2A R and GABA A Rs. The target points are confirmed through molecular docking, micro-thermal mobility instrument, surface plasmon resonance, inositol-phosphoric acid (IP1) accumulation and cell membrane patch clamp, etc.; and the anti-inflammatory activity of the compounds is evaluated by enzyme-linked immunosorbent assay, so as to provide a potential active structure skeleton for development of antidepressants.

The invention relates to a perovskite photovoltaic cell, a preparation method thereof and a photovoltaic module. The perovskite photovoltaic cell comprises a first electrode layer, a first charge transport layer, a 3D perovskite layer, a 2D perovskite layer, a passivation layer, a second charge transport layer and a second electrode layer which are sequentially stacked from bottom to top, and the passivation layer comprises an azinepiperidine salt compound. The perovskite photovoltaic cell provided by the invention has a 3D perovskite layer / 2D perovskite layer / piperazine salt compound passivation layer structure, and the structure can inhibit non-radiative recombination, reduce defects and improve the efficiency and stability of a component.

A flame-retardant composition includes one or more melamine salt components (A) selected from the group consisting of melamine orthophosphate, melamine pyrophosphate, and melamine polyphosphate; one or more piperazine salt components (B) selected from the group consisting of piperazine orthophosphate, piperazine pyrophosphate, and piperazine polyphosphate; and one or more dialkyl phosphinate compounds components (C) represented by General Formula (1), in which a content of the component (C) is 0.2 parts by mass or more and 39 parts by mass or less based on 100 parts by mass of a total content of the component (A), the component (B), and the component (C).