13results about How to "Improve migration resistance" patented technology

The invention relates to a novel migration-resistant PVC sealing material and application thereof. The PVC sealing material is prepared from, by weight, 40-50 parts of PVC resin, 20-40 parts of a plasticizer, 10-25 parts of filler, 1-5 parts of a stabilizer and 2-10 parts of a microsphere modifier. The sealing material not only has excellent migration resistance and low temperature resistance, butalso has excellent mechanical properties and good resilience, and ensures good sealing of refrigeration equipment such as refrigerators and the like; and meanwhile, the price is relatively low, costcontrol is facilitated, and the sealing strip is very suitable for being widely popularized as a refrigeration equipment sealing strip.

The invention provides a wear-resistant anti-aging waterproof tarpaulin and a preparation method thereof, and belongs to the technical field of tarpaulin. The wear-resistant anti-aging waterproof tarpaulin comprises a base cloth layer and a PVC (polyvinyl chloride) coating coated on the base cloth layer, wherein the PVC coating is prepared from the following raw materials: 70 to 90 parts of PVC paste resin, 5 to 15 parts of a composite plasticizer, 10 to 30 parts of TiO2-HNTs powder, 3 to 5 parts of chlorinated paraffin, 8 to 12 parts of an additive and 80 to 100 parts of a solvent. The titanium dioxide and the halloysite nanotubes are compounded, the titanium dioxide is loaded on the halloysite nanotubes, agglomeration of the titanium dioxide is prevented, and the mechanical property and wear resistance of the tarpaulin can be effectively enhanced by adding the halloysite nanotubes.

The present application relates to the technical field of dyes, and in particular to a magenta dye, a preparation method thereof and a roll material. The magenta dye comprises a polyether segment formed by a methoxy-containing aniline polyoxyethylene ether raw material and a keto acid segment formed by a keto acid raw material, and the polyether segment and the keto acid segment are fused into a ring. The magenta dye is a liquid, and can be uniformly mixed with a resin and can react with the resin, so that the roll material formed has good resistance to migration in a solvent.

The invention discloses sec-ethyl phosphate as well as a preparation method and application thereof, and belongs to the technical field of synthesis of flame retardants. Tri (2-ethoxyl) isocyanurate, phosphorus oxychloride and an alcohol compound are used as raw materials, the cyan phosphate is prepared through three-step reaction of preparing phosphoryl chloride diester, refining the phosphoryl chloride diester and synthesizing the cyan phosphate, the molecular structure contains a phosphate group and a triazine ring conjugated structure, and a carbon source, a gas source and an acid source are integrated. The thermal decomposition temperature of the sec phosphate is greater than or equal to 320 DEG C, the UL94V-0 level flame retardant standard can be reached by adding 12%-15% of sec phosphate into a high polymer material, and the sec phosphate has the characteristics of high flame retardant efficiency, good compatibility, strong migration resistance, excellent thermal stability, environmental protection and low toxicity; the synthetic preparation method is stable in process, easy in condition control and high in product purity, can be widely applied to flame-retardant modification of high polymer materials such as polyvinyl chloride, polyurethane and epoxy resin, and has important industrial application value.

The invention discloses a high-elasticity PVC film and a preparation method thereof, and relates to the technical field of PVC films. The invention relates to a high-elasticity PVC (polyvinyl chloride) film, which comprises PVC resin powder, a calcium-zinc stabilizer, a bio-based branched plasticizer, POE (polyolefin elastomer) coated calcium carbonate, CPE (chlorinated polyethylene) and other processing aids, the epoxidized soybean oil-based polyol is specifically prepared from epoxidized soybean oil and methanol through a ring-opening reaction. Through the technical scheme of the invention, the PVC film which not only has excellent flexibility and high elasticity, but also has good mechanical strength and tear resistance can be prepared.

The present invention addresses the problem of providing a photosensitive composition which is capable of forming a film having excellent migration resistance and which has excellent resolution. The photosensitive composition according to the present invention contains a polyimide precursor, a polymerizable compound that is a compound different from the polyimide precursor, and a compound represented by formula (1), the polymerizable compound including a compound having two or more polymerizable groups, and the polyimide precursor having an acid value of 75 mgKOH / g or less.

This invention discloses a modified rubber antioxidant, its preparation method, and its application. The modified rubber antioxidant of this invention is obtained by reacting a phenolic compound with a p-aminodiphenylamine antioxidant in the presence of a solvent and a rhodium catalyst, through stirring and heating. The preparation conditions of the modified rubber antioxidant of this invention are mild, the preparation process is simple, and the prepared rubber antioxidant exhibits good migration resistance and higher anti-aging efficiency.

Provided is a conductive paste having good plating adhesion and capable of forming an external electrode having excellent migration resistance, and a ceramic electronic component having high reliability and excellent migration resistance formed using the conductive paste. The conductive paste contains at least a conductive metal powder and a curable resin. The conductive metal powder contains only Ag, Cu, and Ni. In the conductive metal powder, the mass proportion of Ag is 3.0 wt% or more and 5.0 wt% or less, the mass proportion of Cu is {(1 - mass proportion of Ag / 100) x 70} wt% or more and {(1 - mass proportion of Ag / 100) x 90} wt% or less, and the mass proportion of Ni is {(1 - mass proportion of Ag / 100) x 10} wt% or more and {(1 - mass proportion of Ag / 100) x 30} wt% or less. Further, the ceramic electronic component is formed with an external electrode using the conductive paste.

The present invention relates to a plasticizer, a method for preparing the same, a vinyl chloride resin composition, and a vinyl chloride resin molded article. The plasticizer according to the present invention includes a vinyl chloride-based polymer plasticizer including a vinyl chloride-based unit and a unit represented by formula (A): in formula (A), R1 is each independently hydrogen, a C1-20 alkyl group, or a C6-20 aryl group, R2 is hydrogen, a C1-8 alkyl group, or a C6-12 aryl group, Q is an organic group having a valence of n + 1, L is a group represented by formula (B), n is an integer of 1-5, and n is an integer of 1-5. In the formula (B), R3 is independently hydrogen or C1-12 alkyl, R4 is independently hydrogen or-C (= O) R5, R5 is C1-12 alkyl, p is an integer from 1 to 20, and q is an integer from 10 to 120.

The preparation method of the intercalated hydrotalcite / phosphate esterification modified castor oil composite fatliquoring agent disclosed by the application is implemented according to the following steps: step 1, preparing Phy-LDH; and step 2, preparing the intercalated hydrotalcite / phosphate esterification modified castor oil composite fatliquoring agent. The application also discloses the intercalated hydrotalcite / phosphate esterification modified castor oil composite fatliquoring agent and application. The application uses sodium phytate intercalated hydrotalcite to expand the interlayer spacing, weaken the interlayer electrostatic effect, reduce the tendency of the sheet layer aggregation, and improve the dispersion stability of the LDH in the castor oil. Meanwhile, the castor oil is modified by phosphate esterification, and a phosphorus-containing group is introduced into the molecule, so that the phosphate esterification modified castor oil and the sodium phytate intercalated hydrotalcite can be uniformly combined to form a stable composite system. The intercalated hydrotalcite / phosphate esterification modified castor oil composite fatliquoring agent also has the functions of softening and flame retardance.

This invention provides an encapsulating film with light conversion effect and its preparation method, belonging to the field of photovoltaic technology. An encapsulating film with light conversion effect is characterized by comprising the following components by weight: 80-97 parts of matrix resin, 0-2 parts of main crosslinking agent, 0-1 part of co-crosslinking agent, 0-1.5 parts of coupling agent, 0-0.5 parts of light stabilizer, 0-1 part of low-acid additive, 0-2 parts of anti-PID additive, and 0.05-2 parts of light conversion agent. This invention utilizes nano-inorganic oxide light conversion agents, such as nano-silica, nano-zinc oxide, and their derivatives, added to the photovoltaic encapsulating film. These nano-inorganic oxide light conversion agents have stable inorganic crystalline structures that do not deteriorate or fail during long-term use. Modifying and coating these nano-inorganic oxide light conversion agents improves dispersion and enhances the peel force between the agent and the solar cell. Furthermore, their excellent light conversion and migration resistance, through changes in crystal structure, can convert ultraviolet light into different wavelengths of color, thus protecting the solar cell and further enhancing the aesthetic appearance of the module.

The application provides a kind of phthalocyanine dye containing polymerizable group and a synthesis method and application thereof.The application relates to the field of functional organic dyes, and provides a kind of phthalocyanine dye containing polymerizable group and a synthesis method and application thereof, which introduces halogen atoms, long alkyl chains and polymerizable active groups into phthalocyanine as a parent structure.The active groups introduced can be crosslinked with resins or monomers in a color photoresist component, so that the stability of a thin film can be improved, and the transmittance loss can be reduced.The application overcomes the problem that the light resistance, heat resistance and migration resistance of dye molecules in the prior art are still much poorer than those of pigments.A kind of phthalocyanine dye containing polymerizable group has the structure shown in the following general formula I.

The invention provides a compound containing phosphaphenanthrene bonded benzocyclobutene as well as a preparation method and application of the compound. The compound containing phosphaphenanthrene bonded benzocyclobutene at least comprises a DOPO (9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide) group and a BCB (benzocyclobutene) group. The compound containing phosphaphenanthrene bonded benzocyclobutene is prepared by reacting DOPO (9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide) and / or a DOPO derivative with a benzocyclobutene derivative. The compound containing phosphaphenanthrene bonded benzocyclobutene is applied to a PCB (Printed Circuit Board), has excellent thermal stability, and can be used as a reactive flame retardant to carry out Diels-Alder reaction with unsaturated resin, so that the compound has excellent flame retardant property; and a key raw material is provided for development of a high-performance flame-retardant structural member material urgently needed in the high-end manufacturing field.