300 results about "Hydroxy compound" patented technology

The invention discloses a low-staining low-viscosity waterborne polyurethane macromolecular coloring agent and a preparation method of the low-staining low-viscosity waterborne polyurethane macromolecular coloring agent. Comprising the following components in parts by weight: 15 to 30 parts of aliphatic diisocyanate, 15 to 30 parts of micromolecular dye, 10 to 30 parts of polypropylene glycol and / or dihydroxy silicone oil, 25 to 50 parts of polyethylene glycol, 1 to 3 parts of micromolecular dihydroxy compound chain extender, 0.05 to 0.3 part of catalyst, 90 to 140 parts of acetone and 50 to 300 parts of water. By designing the hydrophilicity and proportion of the soft and hard segments of the polyurethane coloring agent, the waterborne polyurethane macromolecular coloring agent color paste which is low in staining, easy to clean, less than 1000mpas in product viscosity, more than 5% in color concentration and more than 5% in dye equivalent and good in compatibility is finally obtained, and the waterborne polyurethane macromolecular coloring agent color paste can meet the requirements of liquid product coloring agents such as clothing care and household cleaning agents. The cleaning agent can also be used for liquid cleaning agent products for body care and catering.

The invention relates to the technical field of adhesives, and discloses a preparation method and application of a modified urea-formaldehyde resin adhesive. The invention adopts an "alkali-acid-alkali" synthesis process, and adds a cyclic heterocyclic polyphenol flame retardant in the early stage of the reaction of formaldehyde and urea to participate in the synthesis reaction of synthesizing urea-formaldehyde resin. The phenolic hydroxyl group in the flame retardant structure can react with formaldehyde, thereby reducing the free formaldehyde content in the molecule; the structure contains phosphorus and nitrogen synergistic flame retardant elements, which can promote the endothermic dehydration carbonization reaction of hydroxyl-containing compounds and play a positive role in inhibiting the combustion-supporting factors of charcoal materials; the epoxy group of epoxidized lignin can undergo a cross-linking reaction with urea-formaldehyde resin, thereby promoting the reaction of lignin and formaldehyde and reducing the formaldehyde release of plywood; the urea-formaldehyde resin adhesive has low free formaldehyde content and short curing time, and the plywood prepared by using the adhesive has low formaldehyde release, good flame retardant performance and high bonding strength.

The invention relates to a high-strength wear-resistant archaized brick and a preparation method thereof, and belongs to the technical field of archaized bricks, the high-strength wear-resistant archaized brick comprises the following raw materials: 25-30 parts of fly ash, 30-35 parts of superfine slag powder, 30-35 parts of clay, 8-10 parts of coke powder, 10-12 parts of diatomite, 12-15 parts of potassium feldspar, 10-15 parts of a modified binder and 8-12 parts of a reinforcing agent; according to the technical scheme, a polyhydroxy compound is combined with a silanization reinforcing filler, then combined with an anhydride compound and then combined with novolac epoxy resin, then an amine curing agent is added, and curing is conducted to obtain the modified binder; fly ash, superfine slag powder, clay and coke powder are subjected to ball milling, diatomite, potassium feldspar, a modified binder and a reinforcing agent are added, and the high-strength wear-resistant archaized brick is obtained through stirring, calcining and compression molding. The mechanical property, thermal stability and wear resistance of the archaized brick are improved on the whole, the densification degree of the archaized brick is enhanced, and the comprehensive performance is good.

The invention relates to an automobile scratch-resistant protective film and a preparation method thereof, and belongs to the technical field of automobile protective materials. The material is prepared from modified nano aluminum oxide, modified polyurethane acrylate, polyurethane acrylate, a photoinitiator, a flatting agent, an antioxidant and a solvent, the modified nano aluminum oxide is prepared through an esterification reaction of nano alpha-Al2O3 and stearic acid, and the hardness and wear resistance of a coating are enhanced; and the modified polyurethane acrylate is prepared by reacting a polyurethane prepolymer with a hydroxyl compound, so that the interface bonding force with the nano particles and the flexibility of the coating are improved. The preparation method comprises the following steps: dispersing modified nano aluminum oxide into a solvent, sequentially adding other components, and uniformly mixing to obtain functional coating slurry; the surface of a PET base material is coated with the slurry, and ultraviolet curing molding is performed after pre-drying. The prepared protective material has the characteristics of high hardness, scratch resistance, strong adhesive force with automobile paint and excellent weather resistance, and is suitable for automobile surface protection.

The invention discloses a two-component polyurethane adhesive and a use method thereof, and relates to the technical field of adhesives. Comprising a component A and a component B which are separately arranged, wherein the component A comprises a hydroxyl-containing compound, a chain extender, a catalyst, an anti-aging agent, an anti-hydrolysis agent, a filler, a moisture scavenger and a thixotropic agent; the component B comprises an isocyanate-terminated polyurethane prepolymer, isocyanate, a water removal agent, a silane coupling agent, a plasticizer, a filler and a thixotropic agent; the hydroxyl-containing compound comprises hydroxyl-terminated polybutadiene and a first hydroxyl-containing compound. The composite material has the advantages of long opening time, fast curing at high temperature, high body strength, high shear strength and high elongation at break, and realizes consideration and balance of high strength and high toughness. Meanwhile, the bi-component polyurethane adhesive disclosed by the invention does not contain a solvent, so that the solvent residue is reduced.

The invention belongs to the technical field of flexible freight bags, and particularly relates to a high-barrier sealed waterproof multilayer food flexible freight bag and a preparation method thereof. The multi-layer container bag for food comprises an antibacterial inner layer, a barrier middle layer and a waterproof outer layer, the antibacterial inner layer comprises titanium dioxide modified aramid pulp coated with polyethylene and a chitosan intercalation dihydroxy compound in a mass ratio of (10-15): 1; the barrier middle layer comprises an ethylene-vinyl alcohol copolymer, an ethylene-vinyl acetate copolymer and erucic acid modified nano silicon dioxide in a mass ratio of (86-93): (5-10): (2-4); and the waterproof outer layer comprises polypropylene. The container bag provided by the invention has excellent antibacterial, puncture-resistant, barrier and waterproof functions, can be used as an inner bag of the container bag for food, is used for transporting and storing food, and prolongs the shelf life of the food.

The invention provides a preparation method of a formaldehyde-free veneer artificial board, which comprises the following steps: (1) an adhesive is applied to the surface of a veneer, the adhesive is composed of a part A and a part B. The part A is one or more of isocyanate or modified isocyanate, or a mixture of the isocyanate and one or more of dimorpholinyl diethyl ether and sulfolane, or a mixture of the isocyanate and the modified isocyanate, or a mixture of the isocyanate and the modified isocyanate, or a mixture of the isocyanate and the modified isocyanate and one or more of dimorpholinyl diethyl ether and sulfolane, or a mixture of the isocyanate and the modified isocyanate; the part B is a hydroxyl-terminated compound or a mixture of the hydroxyl-terminated compound, a catalyst and one or more of sulfolane, preferably, the glue applying amount of the part B in different layers of veneers is different, and the applying amount is gradually increased from the surface layer veneer to the core layer veneer; (2) forming a plate blank by the veneers according to a certain rule; and (3) feeding the plate blank into a hot press to prepare the formaldehyde-free added veneer type artificial board. The method for producing the formaldehyde-free veneer type artificial board is simple and easy in process, high in hot-pressing production efficiency, excellent in mechanical property, good in flatness and low in warping degree, and can resist boiling in boiling water for 72 hours.

The invention relates to the technical field of batteries, in particular to a binder for a silicon negative electrode and a preparation method of the binder. The embodiment of the invention provides a preparation method of a binder for a silicon negative electrode, which comprises the following steps: preparing a premixed solution A: adding a boron-containing compound into an aqueous solution of a hydroxyl-containing compound, and stirring and mixing to form the premixed solution A; preparing a premixed solution B: dissolving a hard monomer and a soft monomer in water to form the premixed solution B; the premixed solution A and the premixed solution B are mixed to form a mixed solution C, an initiator is added to enable the mixed solution C to be subjected to a copolymerization reaction, and the binder is prepared through the copolymerization reaction of the mixed solution C. The binder prepared by the method has excellent elasticity, toughness, rigidity and mechanical properties.

The invention provides a composite surfactant for oil displacement of a hypersalinity oil reservoir and a preparation method of the composite surfactant, and relates to the technical field of petrochemical engineering. The composite surfactant is prepared from the following components in percentage by weight: 0.1 to 0.3 percent of anionic-nonionic surfactant, 0.01 to 0.03 percent of cationic surfactant and the balance of formation water, wherein the anionic-nonionic surfactant is prepared by the following steps: reacting a hydroxyl-containing compound with ethylene oxide to obtain polyoxyethylene ether, then carrying out esterification modification by using aconitic acid modified rosin, then sulfonating by using a sulfonating agent, and finally neutralizing. The composite surfactant shows relatively low interfacial tension under the condition of hypersalinity (50000-200000 mg / L), is high in stability, and can be used for improving the recovery efficiency of hypersalinity oil reservoirs.

The invention discloses a sustained-release nicotine buccal product and a preparation method thereof, the sustained-release nicotine buccal product comprises the following preparation raw materials: a microcapsule, a sustained-release auxiliary agent and a functional auxiliary agent, nicotine / salt and essence are embedded in the microcapsule, and the sustained-release auxiliary agent is a water-soluble polyhydroxy compound. The water-soluble polyhydroxy compound is used as the slow-release auxiliary agent, so that the loss rate of nicotine in the microcapsule can be greatly reduced, the release of nicotine in the use process is more lasting and uniform, meanwhile, the humidity of the product can be improved, the smoke is softer, the discomfort of the throat is reduced, and the smoking experience of a user is improved; besides, the humidity is improved, so that the release of nicotine can be promoted, the nicotine can be absorbed more easily, the stability of the nicotine can be improved, and the storage time of the product is prolonged.

A solid electrolyte composition of the present disclosure includes a solvent and an ion conductor including a solid electrolyte, a binder, and a nitrogen-containing organic substance and being dispersed in the solvent. The solid electrolyte includes a sulfide solid electrolyte, the binder includes a styrenic elastomer, and the nitrogen-containing organic substance includes at least one selected from the group consisting of primary amines, secondary amines, aminohydroxy compounds, and diamines. The primary amines, the secondary amines, the aminohydroxy compounds, and the diamines each have at least one selected from the group consisting of chain alkyl groups having 8 or more carbon atoms and chain alkenyl groups having 8 or more carbon atoms. The mass proportion of the nitrogen-containing organic substance to the solid electrolyte is 0.30 mass % or more.

The invention discloses an oil-soluble composition containing recombinant collagen. The composition comprises recombinant collagen, a polyhydroxy compound, grease, an emulsifier and water. The invention also provides a preparation method of the composition. The composition disclosed by the invention has the characteristics of good transparency, high drug loading capacity, good adaptability and good stability.

The invention provides a modified organosilicon compound as well as a preparation method and application thereof. The modified organosilicon compound is prepared from the following raw materials: a hydroxyl-containing compound and isocyanate single-terminated silane, the hydroxyl-containing compound comprises saturated fatty alcohol and / or hydroxyl silicone wax. According to the invention, the modified organosilicon compound has good hydrophobicity and strong cross-linking ability, can effectively improve the hydrophobicity, mechanical properties and the like of the material, and obtains the material with better comprehensive properties; the preparation raw materials of the modified organosilicon compound are wide in source and low in price, and the production cost is effectively reduced.

The invention relates to the technical field of semiconductor cleaning agents, and particularly discloses an etching solution for SiC surface silicon and a preparation method of the etching solution. The etching solution for SiC surface silicon comprises an aqueous solution of a component A and an aqueous solution of a component B. The component A comprises the following raw materials in parts by weight: 3-8 parts of nitric acid, 1-2 parts of hydrofluoric acid, 0.5-1 part of a complexing agent and 0.1-1 part of a surfactant; the raw materials of the component B comprise modified citric acid and citric acid in a mass ratio of (2.2-5.7): (1-1.8), and the modified citric acid is obtained by modifying a dihydroxy compound. The etching solution for the SiC surface silicon has higher selectivity on the SiC substrate surface silicon and other impurities, the etching effect and the etching rate of the etching solution on the SiC surface silicon are effectively improved, the loss of the SiC substrate is reduced, and the problem of environmental pollution is also reduced.

A resist underlayer film-forming composition in which a coating film having high flattening properties is formed on a substrate. A resist underlayer film-forming composition including an epoxy adduct (C) obtained by reacting an epoxy group-containing compound (A) with an epoxy adduct-forming compound (B), wherein one or both of the epoxy group-containing compound (A) and the epoxy adduct-forming compound (B) contain an optionally branched alkyl group having a carbon atom number of three or more. The epoxy adduct-forming compound (B) is at least one compound selected from the group consisting of carboxylic acid (B1), carboxylic anhydride (B2), a phenol compound (B3), a hydroxyl group-containing compound (B4), a thiol compound (B5), an amino compound (B6), and an imide compound (B7). The optionally branched alkyl group having a carbon atom number of three or more is contained in the epoxy adduct-forming compound (B). The optionally branched alkyl group has a C3-19 alkyl group.

The invention relates to the technical field of concrete materials, and discloses modified epoxy resin and a preparation method thereof, a composition for an epoxy resin grouting material, the epoxy resin grouting material and a preparation method and application of the epoxy resin grouting material. The method for preparing the modified epoxy resin comprises the following steps: heating a polyhydroxy compound and epoxy resin at 80-100 DEG C in a nitrogen atmosphere in the presence of a catalyst to obtain the modified epoxy resin, the molar ratio of the polyhydroxy compound to the epoxy resin to the catalyst is 1: (1-2): (0.05-0.1); the epoxy resin is bisphenol A epoxy resin; the catalyst is selected from any one of sodium hydroxide, potassium carbonate and dimethylaniline; the multi-hydroxyl compound is selected from at least one of glycerol, ethylene glycol, propylene glycol, glucose and butanediol. The epoxy resin grouting material provided by the invention has more excellent toughness and lower viscosity, and has good bonding strength and bonding durability with a concrete matrix.

The invention discloses application of a firming and stability-maintaining periocular conditioning composition in skin care products, and the firming and stability-maintaining periocular conditioning composition is used for improving fragrance and promoting absorption. The composition prepared by compounding the specific components including the barrier repairing agent, the emollient, the hydroxyl compound, the surfactant, the thickener and the chelating agent in proportion has good heat resistance and cold resistance, is good in stability, can be stored for a long time, can promote regeneration of eye skin cells, keeps and regulates skin moisture, recovers skin elasticity, and has a good application prospect. The eye cream has the effects of whitening skin, delaying body aging, resisting oxidation, whitening skin, resisting inflammation and bacteria, inhibiting formation and precipitation of melanin in skin, effectively removing dark circles, minimizing pores and tightening eye skin. Besides, when the composition is used for an eye skin care product, the composition is good in fragrance, fast in absorption and smooth in smearing, the mud rubbing phenomenon is avoided, the situation that fine lines of eyes are further deepened due to the fact that the force is difficult to control in the smearing process is avoided, and the multiple requirements for wrinkle resistance, dark circle removal and the like of different skin types can be met.

The invention discloses an inorganic composite polyurethane material containing dynamic boric acid ester bonds and a preparation method of the inorganic composite polyurethane material. Boric acid compounds and triethanolamine are used for preparing dihydric alcohol monomers containing boron ester groups, and the dihydric alcohol compounds react with polyurethane prepolymers to obtain polyurethane compounds containing the boric acid ester bonds; on the basis, a diamine compound is introduced for chain extension, a trihydroxy compound is used as a cross-linking agent, the prepared self-repairing polyurethane material is used as a matrix, and a nano material is doped in the self-repairing polyurethane material. Based on the principle that a nitrogen donor compound can'lock 'an empty orbit of a boron atom to stabilize a boron ester bond, boron-nitrogen internal coordination is introduced into a boron-containing ester group dihydric alcohol monomer, and the mechanical property and thermodynamic property of the material can be remarkably improved through mutual cooperation between a boric acid ester bond and the boron-nitrogen internal coordination, so that the mechanical property and thermal stability of the material are improved; the mechanical property of the vitrification-like elastomer is effectively improved, the application field is widened, and a new thought is provided for subsequent preparation of a polyurethane self-healing material.

The invention discloses a UV curing adhesive as well as a preparation method and application thereof, and belongs to the field of adhesives. The UV curing adhesive comprises the following raw materials in parts by weight: 20-70 parts of a reactive acrylate polymer, 8-40 parts of epoxy resin, 5-50 parts of core-shell rubber, 1-7 parts of a hydroxyl compound and 0.5-1 part of a cationic photoinitiator, according to the UV curing adhesive, a polymer material with a certain molecular weight is used as a raw material for a UV curing reaction, so that the adhesive has relatively good initial viscosity and is not easy to fall off after being adhered; under the action of a small amount of initiator, a macromolecular polymer with excellent cohesiveness can be formed through quick crosslinking, and the energy consumption and the curing time of the adhesive during curing are remarkably reduced; meanwhile, the peeling strength and the overlapping shear strength of the adhesive can be obviously improved; the UV curing adhesive has the advantages of low energy consumption, short curing time, high peel strength and overlapping shear strength, and is suitable for large-scale popularization and application.

The invention relates to a method for obtaining a compound with a prolonged carbon chain by breaking a carbon-oxygen bond by a terminal alcohol through a two-step method and then generating a carbon-carbon bond. The method comprises the following steps: 1, reacting terminal alcohol (R-OH) with metal salt (MX) of halogen elements to obtain a terminal halogenated compound (R-X); and 2, dehalogenating the terminal halogenated compound to generate a carbon-carbon bond, so as to obtain a compound of which the carbon chain number is twice that of the original terminal alcohol carbon chain number. According to the method, the carbon chain extension reaction of the hydroxyl-containing compound can be realized without a high temperature of 200 DEG C or above or a strong oxidation reducing agent, so that the safety of the process is ensured.

The invention discloses a high edge protection type cathode electrophoretic coating and a preparation method thereof. Epoxy resin and a cyclic hydroxyl compound are subjected to a chain extension reaction, and a cyclic substituent group is introduced; adding amine chain extension reactants containing multiple active hydrogen into the chain extension product to form a local branched structure; the preparation method comprises the following steps: carrying out amination modification by adopting an aliphatic micromolecular amine mixture to obtain modified epoxy resin with a short-chain comb-type branched structure; sequentially adding a curing agent, a reinforcing material and a neutralizer, and continuously stirring to form a stable resin emulsion; and mixing the color paste, the resin emulsion and pure water according to a mass ratio to obtain the coating. By optimally designing the resin structure, on one hand, coating film flowing in the curing process is inhibited, sufficient film thickness and protection force of the edge are ensured, and on the other hand, when the edge corrosion resistance is improved, the mechanical performance, chemical performance and appearance quality of a coating in a non-edge area are prevented from being sacrificed, the overall performance is cooperatively improved, and the multi-working-condition service requirement of an automobile is met.

The invention discloses foamed 3D printing elastomer photosensitive resin and a preparation method, and relates to the technical field of additive manufacturing materials. The thermal-expansion polyurethane acrylate composite material is prepared from the following materials in parts: 400 to 700 parts of a polyurethane acrylate oligomer containing dynamic oxime ester bonds and acrylate groups, 200 to 500 parts of a reactive diluent, 50 to 200 parts of thermal-expansion microspheres, 10 to 50 parts of a photoinitiator and 1 to 50 parts of a stability auxiliary agent, the polyurethane acrylate oligomer containing the dynamic oxime ester bond and the acrylate group is prepared by reacting isocyanate, polyol, a compound containing oxime hydroxyl and an acrylate end-capping reagent. According to the 3D printing elastomer photosensitive resin and the preparation method thereof, by introducing dynamic oxime ester bonds, controllable foaming of the material in the heat treatment process is achieved, the technical bottleneck that traditional light-cured resin is large in foaming difficulty is broken through, the material is endowed with the excellent lightweight characteristic through design, good mechanical performance and heat stability are kept, and the 3D printing elastomer photosensitive resin is suitable for 3D printing. The high requirement on the material performance is met.

The objective of the present invention is to provide a method for producing a polycarbonate safely and efficiently even without using a base. The method for producing a carbonate derivative according to the present invention is characterized in comprising the step of irradiating a high energy light to a composition comprising the halogenated methane and the hydroxy group-containing compound in the presence of oxygen, wherein a molar ratio of a total usage amount of the hydroxy group-containing compound to 1 mole of the halogenated methane is 0.05 or more.

The present application belongs to the technical field of organic synthesis. Particularly disclosed is a method for preparing a β-boronimine compound under the catalysis of a chitosan-copper MOF material. The method specifically comprises the following steps: 1) adding an α-propylene imine compound I, bis(pinacolato)diboron and the chitosan-copper MOF material to water, and reacting same under mixing and stirring at room temperature; and 2) after the reaction is finished, performing filtration, separating a filtrate, and purifying same to obtain a β-boronimine compound II, and washing and drying a precipitate to recover the catalytic material for use in the next cycle. Compared with other porous materials, the metal organic framework material has the advantages of high porosity, large specific surface area, various structures, designability and the like, and therefore is widely applied to the fields of catalysis, organic synthesis and medicine preparation.

The invention discloses a method for repairing cracks of cultural relics, a repairing coating and a method, and relates to the technical field of cultural relic repairing. The preparation method of the repair coating comprises the following steps: step 1, mixing isocyanate and a hydroxyl compound in an inert gas atmosphere, and reacting the isocyanate and the hydroxyl compound under a first reaction condition to generate a first intermediate product; step 2, adding a sulfhydryl compound into the first intermediate product to obtain a mixture, dropwise adding an oxidizing agent into the mixture under a second reaction condition, and reacting the mixture in the dropwise adding process to generate a second intermediate product; and 3, carrying out emulsification treatment and pH value adjustment on the second intermediate product to obtain a waterborne polyurethane dispersion liquid, and sequentially carrying out filtration and solid content adjustment on the waterborne polyurethane dispersion liquid to obtain the repair coating. The repairing coating disclosed by the invention has efficient self-repairing capability, and the repairing coating contains disulfide bonds, so that the repairing coating realizes fracture and recombination under mild conditions.

The present invention discloses acetylene carbon black for bridging modified fibers, a preparation method thereof, and applications thereof. The preparation method comprises: blending 1,6-diisocyanate, hydroxyl-functionalized fiber, and acetylene carbon black in a mass ratio of (0.05-0.5):(1-20):100, and reacting the mixture to obtain the obtained product. The present invention uses 1,6-diisocyanate and hydroxyl-functionalized fiber to modify the acetylene carbon black. The hydroxyl-functionalized fiber having an excellent aspect ratio and the acetylene carbon black having a hydroxyl functional group are bridged under the connection of 1,6-diisocyanate. The acetylene carbon black is loaded on the hydroxyl-functionalized fiber. The isocyanate group in the 1,6-diisocyanate has high activity. When it reacts with a hydroxyl compound, it can generate a polyurethane. This polyurethane has high strength and rigidity, can withstand large forces, has good wear resistance and corrosion resistance, maintains stable performance in long-term use, and enables the acetylene carbon black to be firmly loaded on the surface of the hydroxyl-functionalized fiber, thereby enhancing the compatibility of the material.

A polishing liquid for CMP, the polishing liquid containing abrasive grains, a nitrogen-containing compound, and water, in which the abrasive grains include cerium-based particles, and the nitrogen-containing compound includes a compound A1 having a fused ring (a fused ring having an aromatic five-membered ring with one nitrogen atom), a compound A2 having a quinoline ring and one hydroxy group bonded to the quinoline ring, a compound A3 having an aromatic ring and a hydroxy group bonded to a nitrogen atom, or a compound A4 having a nitrogen-containing aromatic ring to which at least one selected from the group consisting of a hydroxy group and an amino group is bonded.

A process for the production of a C6-18 alkyl ester of 4-aminobenzoic acid of formula (I), wherein the process comprises the step of reacting the 4-aminobenzoic acid of formula (II) with an hydroxy compound of formula (III) in the presence of a catalyst to generate a C6-18 alkyl ester of 4-aminobenzoic acid of formula (I) wherein R is a C6-18 alkyl group; and wherein the catalyst is a titanium catalyst, preferably a titanium alkoxide catalyst.

The invention belongs to the technical field of silica gel, and particularly relates to silica gel capable of rapidly absorbing water as well as a preparation method and application thereof. The silica gel capable of rapidly absorbing water is prepared by carrying out a thiol-ene click reaction on silochrom loaded with a polyhydroxy compound and silochrom loaded with polydopamine. The silica gel provided by the invention has relatively high water absorption rate while rapidly absorbing water, and also has good regeneration performance.

Polymeric materials which inter alia may be used as binder materials for energetic materials and to improved energetic materials containing such a binder and a process for the manufacture of these novel polymeric materials wherein the polymeric material comprising a hydroxyl group containing compound reacted with a cross-linking agent having at least two reactive groups per molecule at least one of which is reacted with one or more hydroxyl groups of the hydroxyl containing compound and at least another of the reactive groups is reacted with a hydroxyl group of a hydroxyl containing rosin ester resin.