10 results about "Nylon 12" patented technology

The application discloses a kind of injection molding magnetic ferrite composite material and preparation method thereof, by following weight percentage component composition: modified ferrite magnetic powder 82%-90%, composite binder 7%-15%, coupling agent 0.3%-0.8%, lubricant 0.5%-1.2%, antioxidant 0.2%-0.5%, reinforcing agent 0.3%-1.0%;The composite binder is mixed by nylon 6, nylon 12 and polyphenylene sulfide according to weight ratio 2:1:0.5-1, the injection molding magnetic ferrite composite material and preparation method thereof, make composite material have good injection molding fluidity, can be prepared shape complex, size tiny magnetic component device, forming precision is high, without subsequent processing, further improve production efficiency, reduce production cost.

The utility model provides a kind of underwater liquid oxygen gas explosion fracturer, including fracturer, liquid injection pipe, exhaust pipe, electric ignition device and biomass fuel core body, fracturer is equipped with biomass fuel core body, the material of fracturer is high molecule, high density polyethylene and nylon 12 thermoplastic material, fracturer is equipped with two and above pipe cap, fracturer has waterproof seal, electric ignition device is equipped with electric ignition head and electric ignition lead, fracturer structure uses two pipe caps, wherein pipe cap and liquid injection hole correspond with fracturer, operability is extremely strong, the fracturer of welding seal assembly completion is safe and reliable, it is a kind of simple and easy to use, reliable and efficient, economic and applicable underwater liquid oxygen gas explosion fracturer.

The application discloses a nylon 12 modified material resistant to high and low temperature impact and a preparation method and application thereof. The modified material comprises the following components in parts by weight: 48-85 parts of nylon 12, 10-30 parts of in-situ grafted temperature-resistant impact master batch, 5-20 parts of transparent nylon and 0-2 parts of processing aid; wherein the in-situ grafted temperature-resistant impact master batch comprises the following components in parts by weight: 50-88 parts of nylon 12, 10-40 parts of non-polar elastomer, 0.4-4 parts of grafted monomer, 0.1-0.4 parts of initiator and 0-2 parts of processing aid. The application can significantly improve the stability and durability of the nylon 12 modified material under high and low temperature impact cycles, and as a metal insulation layer coating material, the application can not have problems such as cracking in the process of more than 600 high and low temperature impact cycles.

The application provides a high gas barrier nylon 12, a preparation method thereof and an article containing the high gas barrier nylon 12. The high gas barrier nylon 12 comprises a block copolymer of nylon 12 segments and nylon 101 segments, wherein the mass ratio of the total mass of decanediamine and isophthalic acid to the mass of dodecanolactam used in the preparation process is 1:1-3. The long-chain barrier nylon is prepared by introducing the nylon 101 segments containing benzene rings into the main chain of the nylon 12. Compared with a random copolymer of the nylon 12 and the nylon 101, the molecular chain of the long-chain barrier nylon can still maintain higher regularity, and the crystallinity is higher; therefore, the long-chain barrier nylon is easier to be processed and molded while having better barrier performance.

This invention relates to the field of chemical fiber technology, specifically to a high-amino nylon 66 fiber and its preparation process, comprising: S1 synthesizing a high-amino polymer; S2, under nitrogen protection, adding a catalyst and caprolactam or lauryl lactam to perform in-situ ring-opening polymerization on the surface of the high-amino polymer powder to generate a nylon 6 or nylon 12 coating layer; S3, melting and blending the coated high-amino polymer powder with PA66 chips in a certain proportion using a twin-screw extruder to obtain a high-amino functional masterbatch; and S4, preparing the high-amino nylon 66 fiber. The core of this invention lies in designing and synthesizing a high-amino polymer with a structure highly similar to PA66 but with an extremely high terminal amino content. Through an innovative "microencapsulation-masterbatch" technology, the dispersibility and thermal stability issues in the PA66 matrix are solved. Finally, through precise metering and blending spinning, a highly reactive nylon 66 fiber with controllable amino content is prepared.

The application belongs to the technical field of composite materials, and particularly relates to a material for preventing blockage of a washing device and a preparation method thereof. The composite material comprises the following components in parts by weight: nylon 12T 80-100 parts, inorganic fiber filler 20-30 parts, toughening agent 5-10 parts, diatomite micro powder 10-15 parts, sarin resin 3-6 parts, graphene 1-3 parts, antioxidant 0.5-2 parts, lubricant 0.5-2 parts, coupling agent 0.5-2 parts. Diatomite provides a rigid skeleton in the micron scale, and graphene constructs a reinforcing network in the nanometer scale, forming a multi-level reinforcing structure. The high specific surface area of graphene can bridge the diatomite micro powder, improving the interface stress transmission. The sarin resin, as a flexible phase, can absorb energy when deformed under stress. The above fillers are combined with each other, effectively realizing the balance between the rigidity and toughness of the nylon 12T composite material.

The application discloses a high-impact anti-aging fiber reinforced nylon 12 composite material and a preparation method thereof. The fiber reinforced nylon 12 composite material is prepared from the following raw materials in parts by weight: nylon 12 resin, a dynamic vulcanization type in-situ grafting toughening agent master batch, glass fiber and a processing aid. The dynamic vulcanization type in-situ grafting toughening agent master batch is used in the form of a master batch, so that the low-temperature toughness of the fiber reinforced nylon 12 composite material and the performance decline rate of the fiber reinforced nylon 12 composite material in a high-temperature hydrolysis aging environment can be improved without affecting the strength and modulus and other properties.

The application discloses a high-metal-adhesion nylon 12 modified material and a preparation method and application thereof. The modified material comprises the following components in parts by weight: 55-90 parts of nylon 12, 10-40 parts of in-situ grafting adhesion master batch and 0-2 parts of processing aid; wherein the in-situ grafting adhesion master batch comprises the following components in parts by weight: 50-85 parts of nylon 12, 10-40 parts of adhesive resin, 0.4-4 parts of grafting monomer, 0.1-0.4 parts of initiator and 0-2 parts of processing aid. The nylon 12 modified material can effectively improve the adhesion between nylon 12 and metal materials without metal surface treatment or adhesion layer, and can maintain good adhesion force retention rate after extreme hot and humid aging.

The present application relates to the field of nylon, especially to a preparation method of fluorescent nylon 12.The preparation method of the fluorescent nylon 12 comprises the following steps: mixing a fluorescent precursor and nylon 12, and then carrying out reaction after melting to obtain the fluorescent nylon 12.The present application innovatively combines the preparation process of carbon dots with the processing technology of nylon 12, and the fluorescent nylon 12 is obtained by carrying out reaction after melting.

The application discloses a kind of high-performance injection molding ferrite granules, using strontium ferrite magnetic powder as core magnetic component, with the composite binder of nylon 6, nylon 12 and polyphenylene sulfide, and single alkoxy titanate coupling agent and composite lubricant, realize the synergistic promotion of magnetic performance, processing fluidity, mechanical property and heat resistance;The magnetic energy product of the obtained granules can reach 2.1-2.4 MGOe, compared with the existing domestic industrialization level, has significantly improved, tensile strength is greater than or equal to 18MPa, impact strength is greater than or equal to 2.5kJ / m², continuous working temperature can reach more than 180℃, solve the technical pain points of the contradiction between magnetic performance and processing performance of existing products, insufficient heat resistance.