152 results about "Diglycidyl ether" patented technology

The invention relates to the technical field of ink, and discloses a preparation method of bio-based degradable water-based ink, which comprises the following steps: carrying out esterification polymerization on vanillin-based spiro acetal diglycidyl ether and diacid to obtain bio-based polyester resin, mixing and dispersing the bio-based polyester resin, petroleum-based resin, pigment, auxiliary agent and the like to obtain the bio-based degradable water-based ink. The bio-based degradable water-based ink is prepared. The bio-based resin contains a plurality of hydrophilic hydroxyl groups, has good solubility and dispersibility in the water-based ink, and generates denser hydrogen bonds and other cross-linking effects with the acrylic resin, so that the hardness of the ink is improved. Meanwhile, the polar hydroxyl groups also greatly enhance the hydrogen bond bonding and anchoring effect between the paint film and the base material, so that the adhesive force is improved. In addition, easily-hydrolyzed spiral acetal bonds, polyester structural units and other degradable chemical bonds in molecular chains of the bio-based resin provide more attack sites for water and microorganisms, the degradation rate is increased, and the degradable function is achieved.

The invention relates to the technical field of epoxy resin, in particular to self-repairing epoxy resin and a preparation method thereof. The self-repairing epoxy resin is prepared from the following raw materials in parts by mass: 80 to 120 parts of bisphenol A type epoxy resin, 20 to 40 parts of bisphenol F type epoxy resin, 5 to 15 parts of 1, 6-hexanediol diglycidyl ether, 1 to 3 parts of 3, 5-dimethylphenylboronic acid, 1 to 5 parts of furyl maleimide, 10 to 20 parts of dodecanedioic acid, 5 to 15 parts of butanetetracarboxylic acid, 1 to 3 parts of catalyst, 10 to 15 parts of nano silicon dioxide, 1 to 2 parts of boron nitride nanosheet and 1 to 2 parts of hyperbranched polyamidoamine. The curing agent is prepared from the following components in parts by weight: 20-30 parts of epoxy resin, 1-2 parts of sulfydryl-terminated polysiloxane, 20-30 parts of amine curing agent, 5-15 parts of reinforcing filler and 0.5 According to the invention, the balance among self-repairing capability, mechanical property and heat resistance is successfully realized; in the microcrack propagation process, fracture and recombination mechanisms of dynamic covalent bonds effectively prevent further propagation of cracks.

The invention provides a nylon modified material as well as a preparation method and application thereof, and relates to the technical field of nylon compositing, the nylon modified material comprises the following components: nylon 66, low-viscosity nylon 6, a toughening agent, a compatilizer and a flow crystallization accelerant; wherein the toughening agent comprises a block copolymer containing a polyethylene glycol chain segment and a polydimethylsiloxane chain segment; the compatilizer comprises a compound containing a diglycidyl ether group. According to the nylon modified material provided by the invention, under the condition that the modulus of nylon 66 is slightly reduced, the impact strength is improved, so that the nylon modified material has the characteristics of high flowability, high toughness, self-lubrication and the like, and can meet the requirements of occasions such as automobile parts and industrial production.

The invention discloses a hyperbranched polyether branching agent with an adjustable structure and a preparation method and application thereof.According to the branching agent, 3-butene-1-alcohol serves as an initiator, a hyperbranched skeleton is constructed through anion ring-opening polymerization reaction and diglycidyl ether, then esterification and end capping are conducted through anhydride, and the hyperbranched polyether branching agent with the adjustable structure is obtained. The tail end of the hyperbranched polyether contains vinyl double bonds, and the ester group structure of the hyperbranched polyether can be regulated and controlled. Different diepoxy compounds are selected to control a main chain structure, and different anhydrides are used for regulating and controlling the chemical composition of branched chains, so that accurate design of molecular weight, polarity and number of functional groups of the branching agent is realized. The branching agent has excellent dissolvability in common organic solvents, and solves the problem of poor dissolvability of the traditional polydiene branching agent. When the star-shaped branched butyl rubber is applied to the synthesis of star-shaped branched butyl rubber, the distribution and number of branched points can be accurately regulated and controlled, the weight-average molecular weight and molecular weight distribution index of the rubber are remarkably improved, and the side reaction of gel is avoided.

The invention relates to low-viscosity high-strength two-component epoxy winding resin and a preparation method and application thereof, the resin comprises a component A and a component B, and the mass ratio of the component A to the component B is 100: (80-110); the component A consists of the following raw materials in percentage by mass: 70-85% of modified epoxy resin, 14-20% of a functional reactive diluent and 1-10% of an impregnating compound; the modified epoxy resin is formed by compounding bisphenol A epoxy resin and polyether modified epoxy resin, and the functional active diluent is formed by compounding 1, 6-hexanediol diglycidyl ether and phenyl glycidyl ether; the component B is prepared from the following raw materials in percentage by mass: 85-96% of a composite anhydride curing agent, 2.5-10% of a high-efficiency accelerant and 1.5-5% of a defoaming agent; the composite anhydride curing agent is compounded by methyl tetrahydrophthalic anhydride and succinic anhydride, the efficient accelerant is compounded by imidazole and phosphine, and the defoaming agent is an organic silicon defoaming agent.

The invention provides epoxy resin for halogen-free flame-retardant self-leveling powder coating and a preparation method of the epoxy resin, and belongs to the technical field of powder coating. The flame retardant is mainly prepared from anhydrous piperazine, bisphenol A diglycidyl ether, trihydroxymethyl phosphorus oxide, triethyl phosphite, epoxy chloropropane, sodium hydroxide, N-methyl iminodiacetic acid, ethylene glycol diglycidyl ether and other main raw materials through polymerization. The prepared epoxy resin and 2-phenylimidazoline are subjected to low-temperature curing (135 DEG C / 20 min) on the premise that an additional flatting agent does not need to be used, the flexibility of a coating film is good, the impact resistance grade is high, the impact performance reaches the condition that no cracking phenomenon exists in the front and back 60cm, the leveling grade reaches the grade 7 or above, the gloss is high and reaches 95% or above, the oxygen index reaches 34% or above, and the halogen-free flame retardant performance is excellent.

The invention relates to a bi-component epoxy coating, a wire winding, a preparation method of the wire winding and an electric reactor. The bi-component epoxy coating comprises an epoxy prepolymer, an epoxy curing agent and a self-repairing microcapsule, wherein the self-repairing microcapsule contains an epoxy microcapsule and an amine microcapsule; wherein the amine microcapsule and the capsule wall of the epoxy microcapsule comprise polyurea, so that core liquid of the epoxy microcapsule and the amine microcapsule can be effectively preserved during primary thermocuring, and is not easy to flow out in advance. When the coating has cracks, bisphenol F diglycidyl ether in the amine microcapsules and aliphatic polyamine in the epoxy microcapsules can flow out and are gradually mixed, due to the high reaction activity of the aliphatic polyamine, secondary curing can be achieved without high temperature, microcracks can be repaired, further spreading of defects is prevented, and the service life of the coating is prolonged. And the long-term service capability of the self-repairing resin layer is effectively improved.

The invention discloses an aged SBS modified asphalt repair type regenerant and a preparation method thereof, and the regenerant is prepared by mixing aromatic hydrocarbon oil with 1, 4-butanediol diglycidyl ether and then mixing with rubber powder. Wherein the dosage of each component is as follows: 3-8 parts of aromatic hydrocarbon oil, 0.5-2 parts of 1, 4-butanediol diglycidyl ether and 8-10 parts of rubber powder. The repairing type regenerant can uniformly improve the high-temperature performance, ductility, recovery rate and other performance of SBS asphalt, and the problem of imbalance caused by prominent or backward individual indexes due to single components is avoided. And finally, the comprehensive performance of the regenerated asphalt is superior to that of the aged asphalt and is better than that of the common mixed regenerated asphalt, so that the comprehensive quality improvement of the performance of the aged SBS modified asphalt is realized.

The application provides a coated white surface kraft paper with a back surface not easy to drop hair and powder and a preparation method thereof, and relates to the field of coated white surface kraft paper. The preparation method of the coated white surface kraft paper with a back surface not easy to drop hair and powder comprises the following steps: preparing a coating liquid, primary sizing and secondary coating. The coating liquid is prepared from the following raw materials: heavy pulp calcium, kaolin, starch, butadiene styrene latex, polyvinyl alcohol, sodium carboxymethyl cellulose, water-based epoxy silane, ethylene glycol diglycidyl ether and amino silicone oil. The preparation method can ensure that OCC waste paper boxes are effectively recycled for the back surface of the coated white surface kraft paper, and can overcome the problems of hair and powder dropping and adhesive residue on the back surface of the coated white surface kraft paper, so as to avoid the secondary transfer of hair, powder and adhesive on the back surface of the coated white surface kraft paper to the front surface of the paper, and to ensure the printing effect and printing efficiency of the coated white surface kraft paper.

The invention discloses a medical silica gel sealing ring material and a preparation method thereof, and relates to the field of silica gel materials. When the medical silica gel sealing ring material is prepared, mica powder, phytic acid, diglycidyl ether and allyl glycidyl ether are uniformly mixed and react to obtain modified mica powder; the preparation method comprises the following steps: reacting 4-(2-aminoethyl) phenylboronic acid with 3, 3 '-dihydroxy-[1, 1'-biphenyl]-4, 4 '-diformaldehyde to obtain a graft; the preparation method comprises the following steps: reacting vinyl silicone oil, thioglycerol and methacryloylethyl sulfobetaine to obtain modified silica gel; uniformly mixing the modified silica gel, the modified mica powder and the graft, and reacting to obtain the medical silica gel sealing ring material. The medical silica gel sealing ring material prepared by the invention has excellent flame-retardant, anti-aging, antifouling and mechanical properties.

Disclosed herein are processes for producing 1,3-propanediol acrylate, 1,3- propanediol diacrylate, 1,3-propanediol monoacrylate component, 1,3-propanediol monodiacrylate component, 1,3-propanediol dimethylacrylate, and 1,3-propanediol diglycidyl ether. Also disclosed herein are compositions comprising 1,3-propanediol acrylate, 1,3-propanediol diacrylate, 1,3-propanediol monoacrylate component, 1,3- propanediol monodiacrylate component, 1,3-propanediol dimethylacrylate, and / or 1,3- propanediol diglycidyl ether.

The invention provides an in-use sewage pool body leakage repairing agent as well as a preparation method and a construction process thereof, and relates to the technical field of pool body anti-seepage transformation. The sewage pool body leakage repairing agent is prepared from the following raw materials in parts by weight: 30-40 parts of polyurethane resin, 20-30 parts of epoxy resin, 5-10 parts of an isocyanate curing agent, 1-3 parts of polyether modified silicone oil, 3-6 parts of ceramic powder, 1-3 parts of carbon fibers, 0.5-1 part of a silane coupling agent, 2-5 parts of propylene glycol diglycidyl ether, 0.3-0.5 part of an acid and alkali resistant anti-aging agent and 0.3-0.5 part of an anti-ultraviolet agent. By optimizing the component proportion of the leak repairing agent, the leak repairing agent has the characteristic of rapid solidification under a low-temperature condition, and has the effects of high strength, micro-expansion, good compactness and long-term performance; meanwhile, a temporary water storage bag, a temporary pump and a pipeline are adopted, so that the sewage treatment process is not interrupted when the leakage of the sewage pool body is repaired.

The application discloses a kind of resin for flame-retardant optical fiber reinforcing core and preparation method thereof, it is related to epoxy resin technical field.The resin for flame-retardant optical fiber reinforcing core includes the following mass parts components: 80~90 parts bisphenol A epoxy resin, 2~4 parts trimethylolpropane triglycidyl ether, 6~8 parts 4,4'-diphenyl bisphenol diglycidyl ether, 5~7 parts amino boron nitride, 15~18 parts toughening curing agent, 25~35 parts acid anhydride curing agent, 0.2~1 parts accelerator.On the basis of guaranteeing low shrinkage, the mechanical properties, flame-retardant performance of resin for flame-retardant optical fiber reinforcing core are effectively improved.

The application discloses a flame-retardant epoxy resin electrolyte prepolymer and a solid electrolyte membrane containing the same, the flame-retardant epoxy resin electrolyte prepolymer is an oligomer obtained through ring-opening addition reaction of phosphonate diol, diglycidyl ether and polyether amine; the terminal of the 1,4-butanediol oligomer contains unreacted epoxy groups and / or amine groups; the chemical formula of the 1,4-butanediol phosphonate diol is shown as formula (I): formula (I); wherein, R1 and R2 are alkyl or aryl; the flame-retardant epoxy resin electrolyte prepolymer of the application improves the flame retardance of the epoxy resin electrolyte prepolymer by introducing the phosphonate diol, improves the compatibility with lithium salt by providing lithium ion coordination sites through ether bonds P-O-C bonds and P=O, guarantees the smooth progress of subsequent curing reaction by retaining unreacted active groups (epoxy groups and / or amine groups), and finally improves the flame retardance and ionic conductivity of the epoxy resin solid electrolyte membrane formed after the epoxy resin electrolyte prepolymer and lithium salt are cured.

A temporary protective film for semiconductor sealing molding, which has a support film and an adhesive layer, and is used for temporarily protecting a face of a lead frame on the opposite side of a semiconductor element during sealing molding of forming a sealing layer that seals the semiconductor element mounted on a chip pad of the lead frame. The adhesive layer contains: a thermoplastic resin; and at least one specific compound selected from the group consisting of sorbitol polyglycidyl ether, polyethylene glycol diglycidyl ether, glycidyl ether of an aliphatic alcohol having 10 to 20 carbon atoms, glycerol polyglycidyl ether, polyalkylene glycol ester of a fatty acid having 2 to 30 carbon atoms, dipentaerythritol ester of a fatty acid having 2 to 20 carbon atoms, polyethylene glycol monoalkyl ether, and polyethylene glycol dialkyl ether.

The present disclosure relates to a composite material for application to a bone defect site to promote new bone growth at the site comprising: a combination of freeze-dried mineralized bone allograft particles; and a monophasic gel comprising cross-linked hyaluronic acid; wherein the hyaluronic acid is cross-linked by a cross-linking agent, the cross-linking agent being a diglycidyl ether. The present disclosure also relates to a method to obtain a composite material for application to a bone defect site to promote new bone growth at the site comprising mixing freeze-dried mineralized bone allograft particles with a monophasic gel comprising hyaluronic acid; and to a bone regenerative material comprising the composite material as defined herein for use in a method of treating a patient suffering from a degenerative bone condition, bone loss, bone deficiency or bone atrophy.

The invention discloses an insulating nano ceramic coating and a preparation method thereof, relates to the technical field of coatings, and belongs to the patent classification number C09D1 / 00. The preparation method comprises the following steps: firstly, carrying out hydroxylation activation and silane modification treatment on nano aluminum oxide and nano zirconium oxide, and grafting polymer chains on the surfaces of the nano aluminum oxide and the nano zirconium oxide through a polymerization reaction to obtain grafted modified nano ceramic powder so as to enhance the dispersity and compatibility of the grafted modified nano ceramic powder in a resin matrix; meanwhile, the acrylic polysiloxane resin is subjected to epoxy modification and is subjected to a cross-linking reaction with 3-aminopropyltriethoxysilane and polyethylene glycol diglycidyl ether, so that resin with a cross-linked network structure is synthesized; and finally, mixing the modified resin, the grafted modified nano ceramic powder, a mixed solvent, polyamide wax, an organic silicon defoaming agent, an acrylate film-forming agent, gamma-aminopropyltriethoxysilane hydrolysate and other auxiliaries, stirring and fusing to obtain the final insulating nano ceramic coating. The nano ceramic coating disclosed by the invention has excellent insulating property.

The invention relates to the technical field of paper, in particular to white kraft paper with ultrahigh folding resistance and a preparation method of the white kraft paper. The method comprises the steps that bleached softwood and hardwood pulp are mixed and then shunted, part of pulp is oxidized through a TEMPO / NaBr / NaClO system and subjected to high-pressure homogenization treatment to obtain nanocellulose, and then the nanocellulose is compounded with base pulp; a xylan-chitosan interface reinforcing agent I and a chitosan-dihydrocaffeic acid-polyethylene glycol diglycidyl ether interface reinforcing agent II are prepared at the same time; the composite paper pulp, a reinforcing agent, cationic starch and other auxiliaries are sequentially mixed and then formed, and squeezing, steam drying and heat aftertreatment at 120-125 DEG C are carried out. The obtained kraft paper remarkably improves the folding resistance number through the synergistic effect of a multi-scale fiber network and interface reinforcement, has high strength, high flexibility and excellent whiteness, and is suitable for a high-frequency folding packaging scene.

A bisphenol-type diglycidyl ether composition containing a bisphenol C-type diglycidyl ether represented by the following formula (1) and a compound represented by the following formula (2):wherein, in the above formula (2), substituents R1 to R4 are each independently selected from the group consisting of a hydrogen atom and an alkyl group having 1 to 5 carbon atoms; a linking group X each independently represents a divalent hydrocarbon group having 1 to 13 carbon atoms, —O—, —S—, —SO2—, —C(CF3)2—, —CO—, or a direct bond; and m represents the number of repetitions and is an integer of 0 or more.

The invention belongs to the field of functional polymers, and particularly relates to a high-toughness, repairable and recoverable epoxy vitrimer and a preparation method thereof.The epoxy vitrimer is obtained through a ring-opening polymerization reaction of dithiodiphenyl diglycidyl ether, bisphenol A diglycidyl ether and isocyanuric acid tris [2-(3-mercaptopropionyloxy) ethyl ester] at the temperature ranging from the room temperature to 100 DEG C. The epoxy vitrimer has the advantages that the epoxy vitrimer is high in toughness, can be repaired and recoverable, and can be recycled; after being completely cured, the high-toughness characteristic is shown, the tensile strength is not lower than 40 MPa, and the elongation at break is not lower than 140%. Meanwhile, the epoxy vitrimer can realize the characteristics of being repairable and recoverable at a high temperature.

The invention discloses a liquid microbial fertilizer and a preparation method thereof, and belongs to the technical field of liquid fertilizers. The bacterial fertilizer is prepared from microbial multilayer microcapsules, organic matter fermentation liquor, humic acid, trehalose, xanthan gum, nanocrystalline cellulose and water. The microbial multilayer microcapsule is designed through a multilayer structure and comprises mesoporous silica as a core layer to adsorb a compound microbial agent, an inner shell is a hydrophobic breathable pH / enzyme double-response membrane formed by reacting diglycidyl ether terminated polydimethylsiloxane with N-formyl-L-histidine and then reacting with chitosan, and an outer shell is a hydrophobic breathable pH / enzyme double-response membrane formed by chitosan. The middle layer is a tannic acid-iron complexing layer, and the outer shell is formed by cross-linking N, N '-diallyl-L-tartar amide and a polymer and loading zinc-aluminum layered double hydroxides on the N, N'-diallyl-L-tartar amide and the polymer. The micro-capsule can effectively protect microorganisms, prolong the shelf life and trigger cascade release in a rhizosphere acid environment, zinc and molybdenum nutrients are released firstly, then the microorganisms are released, and precise colonization and synergistic interaction are achieved.

Use of a coating composition on a chromium-free tinplate substrate, the coating composition comprising: a polyester material, and a benzoguanamine or a derivative thereof wherein the coating composition is substantially free of bisphenol A (BPA), bisphenol F (BPF), bisphenol A diglycidyl ether (BADGE), and bisphenol F diglycidyl ether (BFDGE).

The invention relates to a nylon 66 / polyphenyl ether alloy as well as a preparation method and application thereof. The nylon 66 / polyphenyl ether alloy comprises the following components in parts by weight: 85-95 parts of nylon 66, 2-13 parts of polyphenyl ether and 2-5 parts of a compatilizer, the compatilizer comprises bisphenol A type epoxy resin diglycidyl ether. The nylon 66 / polyphenyl ether alloy which is high in performance, low in cost and capable of remarkably improving the hydrolysis aging resistance of the material on the premise that the original performance of the nylon 66 is not remarkably influenced is obtained by mixing polyphenyl ether with a specific proportion into the nylon 66 and selecting a proper compatilizer.

The present application relates to a kind of epoxy resin modified cationic waterborne polyurethane emulsion and its preparation method, the emulsion is introduced epoxy group in polyurethane side chain, when preparing emulsion, first synthesis the cationic hydrophilic chain extender of specific structure containing epoxy group, then cooperate other hydrophilic chain extender and introduce hydrophilic group, wherein, the dosage of hydrophilic chain extender containing epoxy group and other hydrophilic chain extender accounts for 1-5% and 6-12% respectively;The cationic hydrophilic chain extender of specific structure containing epoxy group is prepared by using molar ratio 1:1 diethanolamine and bifunctionality alkyl alcohol diglycidyl ether compound reaction at low temperature.The epoxy group is introduced into polyurethane side chain in the present application, overcome the inherent shortcomings of traditional cationic waterborne polyurethane, significantly improve the corrosion resistance of film-forming material, adhesion and mechanical strength and other properties, can satisfy the performance requirement of cationic waterborne polyurethane emulsion in high-end application fields such as metal surface passivation treatment.

This application relates to the field of coating technology, specifically disclosing a heat-insulating, flame-retardant, and anti-corrosion coating and its preparation method. A heat-insulating, flame-retardant, and anti-corrosion coating comprises the following raw materials in parts by weight: 50-80 parts of silicone-acrylic emulsion, 10-15 parts of epoxy resin, 30-40 parts of heat-insulating microcapsules, 15-21 parts of hollow glass microspheres, 3-5 parts of dispersant, 0.5-2 parts of polypropylene glycol diglycidyl ether, 1-5 parts of leveling agent, and 15-20 parts of water. The heat-insulating microcapsules comprise an aluminum powder core and a heat-insulating and flame-retardant capsule wall layer, the capsule wall layer material comprising acrylic resin and polyamide resin. The preparation method is as follows: hollow glass microspheres and heat-insulating microcapsules are added to silicone-acrylic emulsion and water and dispersed evenly to obtain a mixture; the dispersant, polypropylene glycol diglycidyl ether, epoxy resin, and leveling agent are added to the above mixture and mixed evenly to obtain the interior wall insulation coating. The composition of this application achieves a comprehensive improvement in heat insulation, flame retardancy, and anti-corrosion performance.

The invention discloses an anisotropic conductive stretchable electronic solder and a preparation method and application thereof, the stretchable electronic solder comprises a polymer adhesive and a silver nanosheet, and the mass ratio of the polymer adhesive to the silver nanosheet is (5-20): 1; the high-molecular adhesive is obtained by heating bisphenol A diglycidyl ether, polyethylene glycol diglycidyl ether and furfuryl amine at 40-60 DEG C to react, and then heating with N, N '-(4, 4'-methylene diphenyl) bismaleimide at 60-80 DEG C to react. According to the anisotropic conductive stretchable electronic solder provided by the invention, by virtue of excellent flexibility and stretchability endowed by the dynamic chemical polymer adhesive, the problem of stress concentration caused by physicochemical property difference of a soft / hard base material can be effectively counteracted, stable connection of an electrical interface is always kept in a stretching deformation process, and the reliability of the electronic solder is improved. Universal welding of flexible, stretchable and rigid materials and devices is successfully achieved.

The invention belongs to the technical field of refractory materials, and particularly relates to a high-temperature-resistant anti-erosion refractory brick, a preparation method and application to a kiln. The preparation method of the high-temperature-resistant anti-erosion refractory brick comprises the following steps: reacting polyvinyl alcohol with chloroacetic acid to prepare carboxymethylated polyvinyl alcohol; the preparation method comprises the following steps: reacting polyethylene glycol diglycidyl ether with acrylic acid to prepare polyethylene glycol acrylate glycidyl ether, and reacting polyethylene glycol acrylate glycidyl ether with carboxymethylated polyvinyl alcohol to prepare modified polyvinyl alcohol; reacting the modified polyvinyl alcohol with maleic anhydride to prepare a modified organic binder; mixing and stirring the modified organic binder with water, an initiator solution, bauxite aggregate, bauxite fine powder, silicon nitride, Portland cement, river sand and polypropylene fiber to obtain mixed slurry, and pouring, compacting and curing to obtain the high-temperature-resistant and anti-erosion refractory brick. The refractory brick has good mechanical strength and wear resistance, and has strong high temperature resistance and erosion resistance.

Disclosed herein are processes for producing 1,3-propanediol acrylate, 1,3-propanediol diacrylate, 1,3-propanediol monoacrylate component, 1,3-propanediol dimethylacrylate, and 1,3-propanediol diglycidyl ether. Also disclosed herein are compositions comprising 1,3-propanediol acrylate, 1,3-propanediol diacrylate, 1,3-propanediol monoacrylate component, 1,3-propanediol dimethylacrylate, and / or 1,3-propanediol diglycidyl ether.

The present invention relates to a curable adhesive comprising: i) one or more (co) polymers having a combined mass fraction in the range of 20% to 70%, ii) one or more first polymerizable epoxy compounds having a combined mass fraction in the range of 10% to 50%, where the one or more first polymerizable epoxy compounds are selected from the group consisting of specific cycloaliphatic diglycidyl ethers, aliphatic diglycidyl ethers, aliphatic diglycidyl ethers, aliphatic diglycidyl ethers, aliphatic diglycidyl ethers, aliphatic diglycidyl ethers, aliphatic diglycidyl ethers, aliphatic diglycidyl ethers, aliphatic diglycidyl ethers, aliphatic diglycidyl ethers, aliphatic diglycidyl ethers, aliphatic diglycidyl ethers, aliphatic diglycidyl ethers, aliphatic diglycidyl ethers, aliphatic diglycidyl ethers, aliphatic diglycidyl ethers, aliphatic iii) one or more second polymerizable epoxy compounds different from the first polymerizable epoxy compounds in a combined mass fraction ranging from 10% to 50%, iv) a cationic photoinitiator system comprising one or more cationic photoinitiators in a combined mass fraction ranging from 0.1% to 5%, where, based on the total mass of the curable adhesive, the cationic photoinitiator system comprises one or more cationic photoinitiators in a combined mass fraction ranging from 0.1% to 5%. The curable adhesive has a chlorine content in the range of from 100 to 4000 ppm as determined according to DIN EN 14582: 2016.

The invention relates to aqueous dispersions (AD) comprising cationic polymer particles, the cationic polymer particles comprising one or more amine functional epoxy addition resins, the amine functional epoxy addition resins being obtainable by reacting at least one aromatic substance (A) comprising at least two epoxy groups; at least one aromatic substance (B) comprising at least two hydroxyl groups; at least one aliphatic substance (C) selected from dicarboxylic acids (C1), and / or polyalkylene glycol diglycidyl ethers (C2); at least one amine substance (D); and optionally reacting the thus formed product with an acid substance (E). The invention further relates to a process for producing such aqueous dispersion, an aqueous electrocoating material comprising such aqueous dispersion, process for producing an at least partially coated substrate by the afore-mentioned method, and a thus coated substrate.