36 results about "Aminocapronsäure" patented technology

The invention relates to modified nylon 6 resin, and a preparation method and an application thereof. The modified nylon 6 resin provided by the invention is prepared by addition of metal-organic framework (MOF) nanoparticles. The preparation method comprises the following steps: (1) dissolving a metal salt and an organic ligand used as MOF precursors, and a polymer monomer namely caprolactam intoa mixed solution composed of water and a polar organic solvent, and carrying out a reaction under heating at a certain temperature for a period of time so as to obtain a nanometer MOF dispersion; (2)carrying out evaporation so as to remove the polar organic solvent in the nanometer MOF dispersion obtained in the step (1), adding 6-aminocaproic acid into residues, and carrying out a polymerization reaction so as to obtain MOF nanoparticle modified nylon 6 resin masterbatches; and (3) subjecting the modified nylon 6 resin masterbatches obtained in the step (2) and nylon 6 (a market product) tomelt blending so as to obtain MOF nanoparticle modified nylon 6 resin. According to the invention, the MOF nanoparticles are used as a modifying agent in the process of polymerization, and the modifying agent can significantly improve crystallization properties of the modified nylon 6 resin provided by the invention.

This application relates to the field of polymer films, and specifically discloses an antistatic polymer film and a preparation method thereof. The raw materials of the antistatic polymer film include the following components in parts by weight: 20-40 parts of polymer materials, carbon nano 4-15 parts of tube, 1-6 parts of antistatic agent, said antistatic agent includes the following components by weight: 1,6-caprolactam 2-8 parts, 1-6 parts of sodium alkylsulfonate, 6-amino 2‑7 parts of hexanoic acid. The present application improves the antistatic performance of the antistatic polymer film and at the same time reduces the influence of the mechanical properties of the antistatic polymer film itself.

The invention provides to a high temperature resistant forming agent and a preparation method thereof, which relate to the technical field of tertiary oil recovery of an oil field. The high temperature resistant forming agent is generated through the copolymerization of 6-acrylamicarboxylic acid, sodium methallyl sulfonate and 1-acryl oxide-2-pyrrolidone. The preparation method of the high temperature resistant forming agent includes the following steps: adding the sodium methallyl sulfonate and an initiator persulfate into a flask, performing magnetic stirring, and mixing the 6-acrylamicarboxylic acid and the 1-acryl oxide-2-pyrrolidone and adding a liquid dripping pump; after the temperature rises to 30 DEG C; injecting the 6-acrylamicarboxylic acid and 1-acryl oxide-2-pyrrolidone mixture into the flask, rising the temperature to 70 DEG C, after heat preservation, and adding a quinone polymerization inhibitor and then stopping the polymerization reaction, and after the reaction is stopped for 20-60 min, cooling to room temperature, and obtaining the high temperature resistant forming agent after separation and purification. According to the invention, the oil field recovery rateis improved under the environment of hot water, steam and high temperature flue gases.

The present invention relates to the controllable degradation, filling-type complex bone implant of multivariant amino acid polymer-organic calcium / phosphorus salts, as well as to the preparative method thereof. The complex bone implant is consisted of multivariant amino acid polymers and medically acceptable organic calcium / phosphorus salts, while the content of organic calcium / phosphorus salts is 20-90% based on the total mass of composite material; the multivariant amino acid polymer is polymerized by ε-aminocaproic acid and at least two other amino acids, in which the molar content of ε-aminocaproic acid is at least 50% of the total molar quantity of amino acid polymers, while the amounts of other amino acids are at least 0.5% of the total molar quantity of amino acid polymers.

The invention discloses a method for synthesizing hexamethylenediamine using caprolactam as a raw material, comprising the following steps: 1) after mixing caprolactam, alkali and water, heating and refluxing to obtain 6-aminocaproate; 6-aminocaproic acid salt introduces amino protecting group to protect terminal amino group, then adds acid and neutralizes to generate aminocaproic acid with amino protecting group; 3) after drying the product obtained in step 2), add dehydration catalyst for amide And heating reaction in the presence of ammonia source converts carboxylic acid group into cyano group to obtain product nitrile; 4) The product nitrile obtained in step 3) is extracted and purified, catalytically hydrogenated to generate corresponding amine, and then the protective group is removed to obtain target product.