100 results about "Polyamide epoxy" patented technology

An object of the present invention is to provide ultra-low permeation hoses which have at the interior thereof a refrigerant barrier layer that consists in large part of a metal layer and is capable of conforming to hose deformation, which have an excellent resistance to refrigerant permeation (i.e., barrier properties to refrigerants), particularly an excellent CO2 permeation resistance and an excellent heat resistance when CO2 is used as the refrigerant. The object can be accomplished by an ultra-low permeation hose having at least a refrigerant barrier layer and a rubber layer and / or a resin layer; wherein the refrigerant barrier layer is a laminated film comprising a resin layer and, on the outside thereof, a metal layer, which the resin layer and the metal layer are bonded together by a polyamide-epoxy reactive adhesive.

The invention provides corrosion-resistant high-temperature insulation paint which comprises a component A and a component B, wherein the component A comprises the following raw materials in parts by mass: 50-70 parts of epoxy modified organic silicon resin, 10-30 parts of corrosion-resistant filler, 1-10 parts of talcum powder, 0.1-2 parts of silane coupling agent, 0.01-0.3 part of nonionic dispersant, 0.01-0.3 part of anti-settling agent and the balance of assistant; and the component B comprises the following raw material in parts by mass: 10-20 parts of curing agent, and the curing agent is a polyamide epoxy curing agent. The corrosion-resistant high-temperature insulation paint provided by the invention has favorable comprehensive performance, good insulativity and favorable corrosion resistance.

The invention belongs to the field of coating preparation and especially relates to a railway transit aqueous epoxy double-component coating and a preparation method thereof. The coating includes a component A and a component B, wherein the component A comprises 3-6 parts of a coalescing agent 2,2,4-Trimethyl-1,3-pentanediol monoisobutyrate, 0.5-1 part of an aqueous epoxy dispersing agent, 0.5-1 part of a chelating-type aqueous coupling agent, 15-20 parts of iron oxide red, 15-20 parts of talcum powder, 4-6 parts of high-molecular-modified zinc phosphate, 3-4 parts of modified aluminium triphosphate, 20-25 parts of high-molecular epoxy resin, 2 parts of an emulsifier containing epoxy groups, 0.1-0.5 parts of an aqueous wetting agent, 0.1-0.5 parts of an aqueous defoaming agent, 1 part of an anti-settling agent, 1 part of an anti-flash-rust agent, 0.3 parts of an aqueous anti-sag agent and 20-30 parts of deionized water; and the component B comprises 80 parts of an aqueous polyamide epoxy curing agent and 20 parts of deionized water.

The present invention relates to a waterproof and antirust packaging paperboard and a manufacturing method thereof. Said method comprises coating one side of a waterproof paperboard with a layer of surface water-resistance agent, wherein said waterproof paperboard is made of a paper board containing a composite water-resistance agent prepared by mixing alkyl ketene dimmer and polyamide epoxy resin with a proportion of 4-6:1 by weight. The beneficial effects in accordance with the present invention are as follows: 1, the waterproof paperboard manufactured by a multi-layer recombination not only exhibit better intensity, tenacity and impact resistance, but also has excellent waterproof and damp proof insulation performances, and further exhibits better antirust performance after being coated with a vapor phase inhibitor, then said paperboard has excellent packaging performances which is stable, and the packaging requests and outdoor storage requests can be satisfied by packaging steel (coil) sheet materials with the waterproof paperboard in accordance with the present invention; 2, the manufacturing cost is low ans the source of the raw material is extensive; 3, said waterproof paperboard can be recovered and recycled easily, and is naturally degradable, and then is environment-friendly.

A titanium-nickel nanometer alloy powder contains A and B components; A components consist of epoxy-resin, titanium-nickel nanometer alloy powder, antirust pigment, filler corrosion stabilizer and anti-sagging accessory; B components consist of composite curing agent with cashew nut shell modified phenolic amine curing agent and polyamide epoxy curing agent; the proportion of A and B is 10:1. It has excellent adhesion and physical performance and better oil, water, acid-alkali and salt fog resistances and mating ability. It can be used as universal base coat and used for various substrate materials such as steel, aluminum and stainless steel etc.

The invention relates to the technical field of curing agents, in particular to a polyamide epoxy resin curing agent. The polyamide epoxy resin curing agent is prepared from, by weight, 40-45 parts of dimer acid, 20-30 parts of binary acid, 1-10 parts of momomer acid, 6.5-10 parts of quadrol, 5-10 parts of long-chain polyether amine, 10-15 parts of diethylenetriamine, 10-15 parts of triethylene tetramine, 5-10 parts of tetraethylenepentamine, 1-10 parts of 1,4-cyclohexanediamine and 5-10 parts of aromatic diamine. Compared with the prior art, the polyamide epoxy resin curing agent is prepared through the steps that acid and amine are subjected to a polymerization reaction to prepare amide and regarded as a reaction system, and 1,4-cyclohexanediamine is added into the reaction system, and the polyamide epoxy resin curing agent modified by 1,4-cyclohexanediamine has the excellent low-temperature resistance, and is quite good in obtained flexibility and toughness, moderate in hardness and high in curing speed.