73results about How to "Fix incompatibilities" patented technology

The invention relates to acidic dyeable polyester and a method for preparing acidic dyeable polyester chip and fiber. The method comprises the steps of performing transesterification or esterification to p-phenyl dimethyl formate or p-phenyl dicarboxylic acid and glycol, adding polyamide such as nylon 6 and / or nylon 66 during polyester polymerization so as to prepare polyester chip, drying the polyester chip and using a conventional spinning machine to spin so as to prepare the polyester fiber used for the dyeing of acid dye. The polyester fiber thoroughly solves the problem that polyester and polyamide are not compatible, ensures uniform dyeing of acid dye, and enables spinning workstage to proceed smoothly. In addition, as the preparation of the polymer adopts a process similar to polyester polymerization for polymerization on a common polyester polymerization device, the method is simple to operate, easy to perform industrial production and low in cost.

The invention relates to a polyaniline / silver conductive nanocomposite material and a preparation method thereof, which belong to the technical field of composite materials. In the method, aniline is polymerized to form polyaniline and silver ions are reduced in situ at the same time by adopting an opposite phase microemulsion polymerization method without the addition of an oxidizer or a reducer and by effectively utilizing UV irradiation technology; and silver particles are uniformly dispersed in the polyaniline to form a nano-core-shell structure of which silver particles are coated by the polyaniline. By using the method, the problem of system incompatibility in a process of compounding a metal with the polyaniline in situ is solved, and the problem of agglomeration when nano-silver particles and the polyaniline are polymerized is solved, so that the generated nano-silver particles are dispersed in the polyaniline uniformly to form the nano-core-shell structure. Therefore, the conductivity, the thermodynamic stability and the processability of the polyaniline are improved effectively.

The invention relates to the field of material processing, in particular to a polyester polyethylene alloy plastic pipe and a preparation method thereof. The polyester polyethylene alloy plastic pipe is mainly prepared from the raw materials including PET (polyethylene terephthalate), PE (polyethylene), compatilizer and antioxygen, wherein the compatilizer is maleic anhydride grafted PE or maleic anhydride grafted POE (polyoxyethylene), and the antioxygen is antioxygen 1010 or antioxygen 1076. The problem that PET and PE are incompatible is well solved; the prepared polyester polyethylene alloy plastic pipe has higher mechanical property, and can meet the requirements in the fields of engineering embedded pipes, threading pipes and the like; moreover, the PET does not need to be dried in the preparation process, so that a great deal of manpower and material resources are saved. The preparation method is simple and practicable, and the prepared polyester polyethylene alloy plastic pipe has higher mechanical property; moreover, the polyester polyethylene alloy plastic pipe is used and continuously extruded, so that a fused mixture is prepared into the pipe, the material performance reduction can be decreased, and the energy of secondary heating can also be reduced.

The invention discloses a rubber material for a rubber shoe sole and a preparation method thereof. The rubber material is prepared from the following raw materials in parts by weight: 45 to 65 parts of nitrile rubber, 35 to 45 parts of organosilicone rubber, 5 to 10 parts of rubber and plastic alloy, 4 to 8 parts of modified vinyl resin, 3 to 6 parts of modified rare earth oxide, 1 to 4 parts of vulcanizing agent, 3 to 7 parts of tetrasulphide dipentyl methylene thiuram, 2 to 6 parts of diisopropyl peroxide, 4 to 8 parts of maleic anhydride-grafted polyethylene, 2 to 4 parts of zinc methacrylate, 5 to 10 parts of dibutyl phthalate, 3 to 6 parts of pentaerythritol stearate, 10 to 20 parts of modified nanometer wear-resistant filler, 3 to 7 parts of zinc ricinoleate, 2 to 5 parts of activator, 1 to 3 parts of softener, 0.5 to 1.5 parts of rubber accelerant, and 0.4 to 0.8 part of anti-aging agent. The rubber material for the rubber shoe sole has the advantages that the elasticity is high, the abrasion-resistant property is high, the tensile property and compressive property are realized without damage, the corrosion-resistant property is realized, and the weather-resistant property is good.

The invention relates to a method for finishing flame-retardant modified natural cellulose fabric with protein. The selected flame retardant is dissolved in deionized water to make a flame retardant finishing solution, and the fabric is treated by two dipping and two rolling methods, and then the protein is dissolved in deionized water to prepare an emulsion with a certain viscosity, and The fabric after the flame-retardant treatment in the previous step is coated, and then placed in an oven for drying. The char-forming property of the fabric after flame-retardant treatment becomes better, and the limiting oxygen index and vertical burning effect are obviously improved. In the GB / T5455‑1997 Textile Combustion Performance Test Vertical Method, it has reached level B1. The invention adopts two dipping, two rolling and coating processes to treat the fabric, and has the advantages of simple process, less equipment investment, and little influence on the mechanical properties of the fabric itself.

The invention relates to an anti-clay polycarboxylate water reducer capable of being compounded with a naphthalene water reducer and a preparation method thereof. The anti-clay polycarboxylate water reducer is prepared from the following raw materials: a comonomer, a chain transfer agent, an initiator and deionized water. The preparation method comprises the following steps: adding the deionized water into a four-mouth flask and heating to 60-80 DEG C; filling the comonomer, the chain transfer agent and the deionized water in a beaker to prepare a solution A; filling the initiator and the deionized water in another beaker to prepare a solution B; respectively, simultaneously and uniformly dropping the solutions A and B into the four-mouth flask by a constant flow pump, and after reaction, cooling and adjusting the pH value to 6.5-7.0 to obtain the anti-clay polycarboxylate water reducer. The polycarboxylate water reducer provided by the invention can be compounded with the naphthalene water reducer in use, so that the problem that the prior art, the polycarboxylate water reducer and the naphthalene water reducer are incompatible is solved. The anti-clay polycarboxylate water reducer is good in anti-clay performance and can be used for remarkably improving the working performance of high silt content aggregate prepared concrete, and the fresh concrete is good in peaceability, less in gradual loss, high in strength and suitable for industrial production.

The application discloses a connector processing method for Small RNA next-generation sequencing and library building and application of the connector processing method. According to the application, the connector processing method comprises the following steps: A, adding SE library 3' connector and 5' connector to two ends of a Small RNA segment; B, conducting reverse transcription on the Small RNA segment that the connectors are linked, so as to obtain cDNA; C, adding 'A' to the 3' end of the cDNA segment obtained from Small RNA segment; and D, connecting a PEI 'Y'-shaped connector on the cDNA segment obtained in the step C. According to the connector processing method of the application, by adding the PEI connector on the basis of the SE connector, the built Small RNA library can make use of a PEI sequencing reagent during sequencing, so as to solve the problem on the compatibility of the SE library and the PEI library sequencing reagent and to facilitate Small RNA sequencing; therefore, the connector processing method can offer convenience for cancer diagnosis and subsequent targeted therapy based on the Small RNA sequencing.

The invention relates to an antifouling atactic polypropylene and modified superhigh-molecular-weight polyethylene composite pipe. The pipe is prepared by adopting a co-extrusion integrated forming process for processing an inner layer, a middle layer and an outer layer in a molten state, wherein the inner layer of the composite pipe is a modified superhigh-molecular-weight polyethylene layer, themiddle layer is a compound hot melt adhesive layer, and the outer layer is an atactic copolymerization polypropylene (PPR) layer. In the invention, modified superhigh-molecular-weight polyethylene, ahot melt adhesive and copolymerized polypropylene are compounded in the molten state, and compounding of the hot melt adhesive guarantees a dense structure and complete integration between two material composite layers. The antifouling PPR and the modified superhigh-molecular-weight polyethylene composite pipe of the present invention has good processing performance, good low-temperature resistance, fouling resistance and low manufacturing cost, and is a novel pipe for transferring hot and cold water, and is applicable to waterway systems of high-end home furnishings.

The invention discloses a green construction evaluation method. The method comprises the steps of firstly refining a goal of green construction into levels; building level models of a green construction scheme; comparing importance degrees of the level models; establishing a comparison matrix and calculating a weight coefficient; performing single-factor fuzzy evaluation; establishing a fuzzy relation matrix; by utilizing composite calculation, obtaining a fuzzy comprehensive evaluation model; and finally performing comprehensive scoring. According to the method, the level of the goal is refined for characteristics of multilevel incompatibility, fuzzy uncertainty and the like in construction green degree evaluation, the incompatibility problem and the processing fuzzy uncertainty problem are solved by matter element analysis, and a green construction process is evaluated in combination with a fuzzy mathematic theory.

The invention provides an antistatic organic silicon pressure-sensitive adhesive containing an electron transport material and a preparation method of the antistatic organic silicon pressure-sensitive adhesive. The antistatic organosilicone pressure-sensitive adhesive is prepared from the following raw materials in parts by mass: 80-100 parts of diluted addition organosilicone resin, 10-20 parts of ionic liquid-carbon nanotube conductive gel, 4-10 parts of a compound containing alkylene oxide, 4-10 parts of an acrylate compound and 1-5 parts of a platinum catalyst. The carbon nano tube and ionic liquid mixed gel is used as an antistatic agent, the problem of incompatibility between the carbon nano tube and the pressure-sensitive adhesive is solved, the gel premixing method is applied, the dispersion effect is good, the gel can be stored for a long time, and the agglomeration phenomenon is avoided; and the antistatic effect can be achieved only by adding a small amount of the antistatic agent, and the curing property, the mechanical property and the optical property of a formed film are not influenced.

The invention belongs to the field of plastic preparation, and provides a thermoplastic aluminum alloy used for plastics and a preparation method. The preparation method comprises the following steps:adding aluminum alloy powder into a soluble polyimide solution, carrying out filtration drying and laser radiation treatment, and then adding thermoplastic resin polyamide into a double screw for blending so as to prepare thermoplastic aluminum alloy; and through laser treatment of the polyimide coated aluminum alloy powder, aluminum alloy powder and polyimide are fused and mixed together, the polyimide can be embedded into the aluminum alloy after cooling, and the polyimide is self-crosslinked through a laser action. A firm polymer coating layer is formed on the surface of the aluminum alloy, and through hydrogen-bond interaction of the polyimide and polyurethane resin, the polyurethane resin firmly coats the surface of the aluminum alloy powder, so that the problem that the aluminum alloy powder is incompatible with plastics is solved, and the filling amount of the aluminum alloy inside the plastics is improved.

The invention provides implant prosthesis and a manufacturing method thereof. The implant prosthesis provided by the invention is compounded with a biological ceramic material on the surface of an inert implant material; the biological ceramic material can show good affinity with biological tissues such as cells, and therefore, the implant prosthesis has high biocompatibility, and a problem that the existing inert implant material is not compatible with the human body is solved. Meanwhile, the biological ceramic material of the implant prosthesis is compounded to the inert implant material, so that an internal structure of the inert implant material is not damaged, and therefore, decline in physical and chemical performances of the inert implant material are not caused. Experiment results indicate that the implant prosthesis prepared by the method disclosed by the invention is good in biocompatibility, free of sensitization and obvious cell toxicity.