89 results about "Guanidine" patented technology

The invention discloses a high-heat-power thermoelectric cell hydrogel for low-grade heat energy collection and a preparation method thereof, and belongs to the technical field of heat energy recovery. The polyacrylamide hydrogel is selected as a substrate of the thermoelectric cell hydrogel, so that a hydrogel internal structure which is easy to regulate and control can be obtained; excellent hydrogel stretchability is obtained by using a cross-linking agent and an initiator with relatively low concentration; potassium ferricyanide and potassium ferrocyanide are used as redox ions to generate a thermoelectric effect, so that stable P-type thermal power is obtained; by using guanidine hydrochloride, the solvation entropy difference between potassium ferricyanide and potassium ferrocyanide is enlarged, and the thermal power of the hydrogel in the thermoelectric cell is greatly improved; sodium pyrrolidone carboxylate is used, so that the concentration of ions in the hydrogel is further improved, the conductivity of the thermoelectric cell hydrogel is improved, meanwhile, a hydrogen bond network between water molecules is destroyed, and the water-retaining property of the thermoelectric cell hydrogel is improved.

The application belongs to the technical field of gas separation and carbon dioxide capture absorbent, and discloses a guanidinium-based deep eutectic solvent absorbent suitable for a wet environment, a preparation method thereof and CO2 capture application. The deep eutectic solvent takes 1-acetyl guanidine AG as a hydrogen bond acceptor and an alcohol amine compound as a hydrogen bond donor, and is formed into a uniform and stable liquid through heating and stirring. When the molar ratio of AG to MEA is 1:5.5 under the condition of 333.15 K and 1.0 bar, the system has a high CO2 absorption capacity, reaching 0.2278 g / g. When the water content is 10 wt%, the CO2 absorption capacity can be increased to 0.2456 g / g. The absorption rate is fast, and the absorption equilibrium can be approached in 20 min. The DESs have the characteristics of high CO2 absorption capacity, fast absorption rate, simple preparation method and good adaptability to a wet environment.

This invention belongs to the field of fuel cell technology, specifically relating to a method for preparing and applying a hydrogen-bonded organic framework material with high proton conductivity constructed from carboxylic acid-aminoguanidine. The chemical formula of this organic framework material is [(CN4H7)(C 10 [O8H5], this organic framework material belongs to the triclinic crystal system. P Space group 1, cell parameters: a =7.9901(4)Å, b =9.6412(3)Å, c =9.6724(4)Å, α =96.322(3)°, β =113.876(4)°, c =93.633(3)°. The hydrogen-bonded organic framework material constructed by carboxylic acid-aminoguanidine and the composite film prepared therefrom have high proton conductivity and are highly promising proton conduction materials.

The invention relates to a reinforced product based on at least one metal reinforcement embedded in a rubber composition based on at least one diene elastomer, a reinforcing filler essentially comprising silica, a crosslinking system based on at least one peroxide compound, at least one non-elastomeric polyphenol compound comprising at least three benzene rings each bearing at least two vicinal hydroxyl groups, and at least one compound from the guanidine family. The invention also relates to a rubber article comprising such a reinforced product.

The invention relates to a curable composition comprising (I) at least one silane-modified polymer and / or at least one organopolysiloxane polymer; (II) at least one aminosilane or aminosilane oligomer; (III) at least one guanidine catalyst of Formula (G1) wherein R1 is hydrogen; R2 is selected from the group consisting of optionally substituted alkyls comprising at least 3 carbon atoms, optionally substituted cycloalkyls comprising at least 3 carbon atoms, and optionally substituted C6-C18 aryl; preferably from the group consisting of optionally substituted C3-C8 alkyls, optionally substituted C3-C10 cycloalkyls, and optionally substituted C6-C18 aryl; more preferably R2 is selected from C3-C10 cycloalkyls; R3 is selected from optionally substituted alkyls comprising at least 2 carbon atoms; preferably from optionally substituted C2-C8 alkyls; R4 is selected from optionally substituted alkyls comprising at least 2 carbon atoms; preferably from optionally substituted C2-C8 alkyls; wherein R3 and R4 can be linked so as to form a 3-, 4-, 5-, 6- or 7-membered aliphatic ring, preferably a 5- or 6-membered aliphatic ring, optionally substituted with one or more substituents; and R5 is selected from the group consisting of optionally substituted alkyls comprising at least 3 carbon atoms, optionally substituted cycloalkyls comprising at least 3 carbon atoms, and optionally substituted C6-C18 aryl; preferably from the group consisting of optionally substituted C3-C8 alkyls, optionally substituted C3-C10 cycloalkyls, and optionally substituted C6-C18 aryl; more preferably R5 is selected from C3-C10 cycloalkyls; (IV) optionally, surface treated calcium carbonate; (V) optionally, surface treated silica; and (VI) optionally, at least one plasticizer. The invention also relates to adhesive, sealant, and / or coating materials comprising said composition, the use of at least one guanidine catalyst of Formula (G1) and the use of said composition.

The invention discloses a nitrogen-rich energetic ionic salt compound based on bis-(5-aminotetrazole) boron. The nitrogen-rich energetic ionic salt compound comprises bis-(5-aminotetrazole) boric acid guanidine salt (I), bis-(5-aminotetrazole) boric acid aminoguanidine salt (II) and bis-(5-aminotetrazole) borane perchlorate (III), the structural formulas of the compounds are shown as (I)-(III). The compound can be used for mixed explosives and fuel-rich propellants.

The application discloses a metal halide perovskite single crystal with high PLQY and a preparation method thereof, and comprises the following steps: mixing SbX3 and diphenyl guanidine hydrohalide to obtain a solute; the molar ratio of SbX3 and diphenyl guanidine hydrohalide is 1:2-5; the solute is added into a transparent glass bottle, and an organic solvent is added into the transparent glass bottle and stirred until the solute is completely dissolved to form a solution; the solution is obtained by a slow solvent evaporation method or a cooling crystallization method operation; and the metal halide perovskite single crystal is obtained. The application proposes that the diphenyl guanidine is used as a cation to form a zero-dimensional non-lead metal halide perovskite, and since the dimension of the obtained halide perovskite structure is zero, compared with one-dimensional, two-dimensional and three-dimensional, the vibration freedom degree can be improved, which is beneficial to obtain a more efficient and lower-dimensional material and is beneficial to the formation of a self-trapped exciton (STE).

The application provides a method for carbon dioxide capture and hydrogenation synthesis of methanol based on a eutectic solvent, and belongs to the technical field of carbon capture and utilization. The method comprises the following steps: weighing acetyl guanidine and ethylene glycol according to a proportion, mixing the acetyl guanidine and the ethylene glycol, stirring to prepare a eutectic solvent at a given temperature, capturing carbon dioxide in flue gas by using the eutectic solvent to form a rich liquid, transferring the rich liquid into a high-pressure reaction kettle, adding a catalyst, filling in hydrogen, increasing the temperature to perform a carbon dioxide hydrogenation reaction, filtering to obtain a catalyst and a mixture of the eutectic solvent and methanol after the reaction, and performing flash evaporation on the mixture to obtain product methanol and regenerated eutectic solvent. After capturing carbon dioxide in the flue gas, the method directly performs in-situ carbon dioxide hydrogenation in the absorbent to prepare methanol, avoids problems such as high energy consumption of carbon dioxide desorption, high reaction temperature and low single-pass conversion rate in a traditional gas-solid phase reaction process, and has a simple process and easy regeneration of the eutectic solvent.

The present invention relates to a synergistic composition for the treatment of disorders related to central nervous system (CNS) excitability. The synergistic composition comprises combination of GABA receptor agonists and synaptic plasticity enhancer or salts thereof along with pharmaceutically acceptable excipients. The GABA receptor agonists are selected from the group consisting of 4-[(2R)-2,4-Dihydroxy-3,3-dimethylbutanamido]butanoic acid, 4- (Pyridine-3-carbonylamino)butanoic acid and 4-(hexadecanoylamino)butanoic acid or salts thereof. The synaptic plasticity enhancer are selected from magnesium 2- acetamidoethanesulfonate, magnesium bis (2-aminoethane-1-sulfonate), magnesium;(2S,3R)- 2,3,4-trihydroxybutanoate, N-(2-Hydroxyethyl)hexadecanamide, 1-(4-aminobutyl)guanidine and 5'-inosinic acid or salts thereof.

This invention discloses a high-fire-resistant concrete, characterized by being composed of the following components in parts by weight: 20-25 parts cement, 30-35 parts crushed stone, 10-25 parts river sand, 10-12 parts volcanic ash, 10-20 parts water, 1-3 parts epoxy-propionic acid modified octa-tetramethylcyclotetrasilazane, 0.3-0.6 parts guanidine carbonate, 1-3 parts calcium borate, 0.5-1 part waste polyarylene diazole fiber, and 0.1-0.3 parts 3-chloro-2-hydroxypropanesulfonic acid modified 2,5-bis(diethylamino)phenyl-1,3,4-diazole. This invention also discloses a method for preparing the aforementioned high-fire-resistant concrete. The high-fire-resistant concrete disclosed in this invention exhibits high fire resistance, good workability, excellent comprehensive performance, impermeability and crack resistance, durability, and high compressive strength.

This research focuses on the preparation and application of guanidine-based ionic porous organic polymers for gold extraction from water, belonging to the field of porous organic polymer materials. Four guanidine-based ionic covalent organic framework materials (Ionic-COF-X, X:Cl) with different counterions were synthesized by reacting ionic guanidine hydrochloride monomers as organic linkers with aromatic ring-substituted triazine derivative ligands (TFBT), followed by anion exchange. ‑ ,Br ‑ AcO ‑ and SO4 2‑ A guanidine-based porous ionic polymer material (PiP-1) was obtained by reacting an ionic guanidine hydrochloride monomer as an organic linker with an aromatic ring-substituted benzimidazole derivative ligand (BDBI). PiP-1 was then applied to the adsorption and removal of gold ions in solution. It exhibited extremely high saturation adsorption capacity, rapid adsorption kinetics, high selectivity, and recyclability, showing potential for gold adsorption in practical applications.

The present invention provides methods for controlling gene expression of gene 5 engineered organisms using inducer compounds. The invention also relates to genetically modifying microorganisms by using natural and / or non-natural inducer compounds, such as carbon compounds and / or nitrogen-containing compounds, such as sugars, saccharide analogs, nucleotides, and the like, to develop efficient gene regulatory mechanisms. The present invention also describes gene expression regulation and 10 modulation by the use of a unique natural compound guanidine, alone or in combination with other inducer compounds, thereby achieving efficient gene expression control.

The application discloses a preparation method of high-toughness IPN long-acting antifouling polyurethane elastomer coating, which comprises the following steps: modifying a polymeric guanidine and a polytetrahydrofuran diol-polyurethane matrix resin by using an organic modification method to improve the antifouling capability and toughness of the polyurethane matrix resin, and to provide a plurality of hydroxyl functional groups, thereby improving the adhesion of the coating and a base material; and combining the polymeric guanidine modified polyurethane resin and the polyurethane matrix resin by using a solvent thermal method, and successfully introducing an IPN structure into the polyurethane system, thereby improving the toughness of the whole film layer, optimizing the cavitation erosion resistance of the film layer, and further preparing the high-toughness IPN antifouling polyurethane elastomer coating. The application can effectively reduce the damage of mechanical impact on the coating, prolong the service life, and realize the benefits of energy saving and the like.

The application discloses a methyl guanidine dipeptide compound and a synthesis method and application thereof, and belongs to the technical field of chemical synthesis, and the chemical structural formula of the compound is as follows: the synthesis method of the methyl guanidine dipeptide compound comprises the following steps: L-ornithine hydrochloride and 1,2-dimethyl-2-isothiourea hydroiodide are heated and reacted overnight in an alkaline solution; the pH value of the solution is adjusted to be neutral, purification is carried out, water is added for dissolution and the solution is adjusted to be acidic, ion exchange resin is passed through, and an intermediate 1 is obtained; pure water and isopropyl alcohol are added to the intermediate 1 and adjusted to be alkaline; isovaleryl chloride is added to the solution and adjusted to be alkaline, and the solution is stirred and reacted at room temperature; the solution is kept alkaline, heated to 45-55 DEG C, adjusted to be weakly acidic, cooled to 5-15 DEG C, and the precipitate is collected, so that a crude product is prepared; the crude product is dissolved in a methanol-water mixed solution, gradient elution is carried out through liquid chromatography, and drying is carried out, so that the methyl guanidine dipeptide compound is prepared. The methyl guanidine dipeptide compound synthesized by the method has high purity, the synthesis process is simple, and the operation is convenient.

The present disclosure provides compositions and methods for sample processing, particularly for oligonucleotide analysis e.g. analysis of formulated nucleic acid drugs. A composition for pretreating at least one target nucleic acid in a biological mixture provided herein includes a chaotropic agent selected from a substituted guanidine, a substituted amidine, a substituted quaternary amine, or a combination thereof, an optional protease, and / or an optional disulfide-reducing agent. Methods of analyzing at least one target nucleic acid in a biological mixture is also provided herein. Furthermore, the present disclosure provides methods for quantifying at least one target cationic lipid interacting with a nucleic acid.

The invention relates to aqueous adhesive compositions which contain at least the following components: (a) 1 to 95 wt. %, calculated as the solids content of a base component, containing: (a1) at least one polymeric organic binder, selected from acrylate, styrene, vinyl acetate, vinyl propionate and / or urethane homopolymers or copolymers, or any mixture thereof, and / or (a2) at least one polysaccharide thickener, selected from the group consisting of cellulose ethers, such as methyl cellulose, carboxyalkyl cellulose, in particular carboxymethyl cellulose, hydroxyalkyl cellulose, alkyl hydroxyalkyl cellulose, starch, in particular potato starch, starch ethers, in particular modified amylose and / or amylopectin, guar ethers, dextrins and mixtures of said compounds; (b) water; and (c) 0.03 to 1.4 wt. % guanidine and / or at least one salt of guanidine, wherein the proportion by weight refers to the content of guanidine in the total aqueous adhesive composition.

The invention belongs to the field of pharmaceutical preparations, and particularly relates to a benzenesulfonic acid or benzenesulfonic acid derivative-guanidine eutectic crystal as well as a preparation method and application thereof. The benzenesulfonic acid or benzenesulfonic acid derivative-guanidine eutectic is a benzenesulfonic acid or benzenesulfonic acid derivative and guanidine eutectic, and the molar ratio of benzenesulfonic acid or benzenesulfonic acid derivative to guanidine is 1: (1-2). According to the invention, a proper benzenesulfonic acid derivative is screened and is taken as a ligand to be combined with guanidine, so that a series of benzenesulfonic acid or benzenesulfonic acid derivative-guanidine eutectic crystals are successfully synthesized. The eutectic can promote proliferation and migration of fibroblasts, vascular endothelial cells and keratinocytes in skin, reduce apoptosis of skin peripheral nerves and promote growth of axons so as to realize rapid healing of diabetic wounds. Meanwhile, after benzenesulfonic acid and derivatives thereof form eutectic crystals with guanidine, slow release of guanidine ions can be realized, and potential toxicity of guanidine is reduced while the drug effect is improved.

The present technology relates to an ionic plastic crystal comprising at least one delocalized anion paired with at least one an organic guanidine, amidine or phosphazene organic superbase-derived cation for use in electrochemical applications, particularly in electrochemical accumulators such as batteries, electrochromic devices, and supercapacitors. The present technology also relates to an ionic plastic crystal composition, an ionic plastic crystal-based solid electrolyte composition, an ionic plastic crystal-based solid electrolyte, an electrode material comprising the ionic plastic crystal or the ionic plastic crystal composition. Their uses in electrochemical cells and electrochemical accumulators as well as their processes of manufacturing and an NHO-stabilized intermediary ion-neutral complex are also described.

The application provides a kind of double ligand HOF functionalized magnetic nanomaterial and its preparation method and application, belongs to functionalized magnetic material preparation technical field.The method first synthesizes Fe3O4NPs, NH3·H2O is added to solution to be alkaline, then the temperature is heated to react, obtains Fe3O4NPs suspension liquid;Fe3O4NPs suspension liquid is added to oleic acid stirring, and the obtained Fe3O4@OA;Guanidine hydrochloride monomer is dissolved in solvent, then Fe3O4@OA is dispersed in stirring, and Fe3O4@GD is obtained;Finally, Fe3O4@GD is mixed with GD, boric acid, triethylamine and 1,2,4-trichlorobenzene containing solution stirring, and double ligand HOF functionalized magnetic nanomaterial is obtained.The functional material of the application can also effectively capture glycoprotein, and identify glycoprotein and phosphoprotein.

The invention relates to the field of materials, in particular to a one-dimensional bismuth-based polar organic-inorganic hybrid perovskite material as well as a preparation method and application thereof. The chemical formula of the one-dimensional bismuth-based polar organic-inorganic hybrid perovskite material is [2-(4-aminobutyl) guanidine] BiBr5, the molecular formula is C5H16BiBr5N4, the space group is P21, and the cell parameters are as follows: a is equal to 10.2899 + / -0.0014, b is equal to 7.8738 + / -0.0010, c is equal to 20.219 + / -0.0030, alpha is equal to 90 degrees, beta is equal to 90.026 + / -0.004 degrees, gamma is equal to 90 degrees, and V is equal to 1638.1 + / -0.43. The material is not limited by a traditional semiconductor band gap, and wide-spectrum photo-thermal discharge detection is achieved. And the preparation method is simple, can be prepared through a simple solution method, and is low in cost.

The invention relates to a guanidino hydantoin methanesulfonate nonlinear optical crystal as well as a preparation method and application thereof. The molecular formula of the crystal is C3N3OH < 6 > (CH3SO3), the molecular weight is 195.2, the crystal belongs to an orthorhombic system, the space group is P212121, and the cell parameters are as follows: a = 5.5142 (5), b = 8.6892 (7), c = 17.4413 (16), alpha = 90.00 degrees, beta = 90.00 degrees, gamma = 90.00 degrees, Z = 4 and V = 820.5 (3) 3. Under the irradiation of 1064nm laser, the powder frequency-doubled effect of the crystal is about 3-5 times that of KH2PO4 (KDP), the ultraviolet absorption edge of the crystal is about 217nm, and the experimental birefringence is about 0.08-546nm. And growing crystals with the size of more than centimeter by adopting an evaporation method, an aqueous solution cooling method or a solvothermal method. The crystal is simple in preparation method and low in cost, has a relatively large nonlinear optical effect, a relatively large birefringence and a wide transmission range, is easy to grow and process, and can be used as an ultraviolet nonlinear optical crystal and a birefringence crystal.

The invention relates to guanidine-containing hydrobromide electrolyte for a high-energy-density zinc-bromine-iodine battery as well as a preparation method and application of the guanidine-containing hydrobromide electrolyte, and belongs to the technical field of aqueous zinc-bromine-iodine batteries. The guanidine hydrobromide-containing electrolyte for the high-energy-density zinc-bromine-iodine battery comprises guanidine hydrobromide, zinc salt and deionized water. According to the guanidine-containing hydrobromide electrolyte for the high-energy-density zinc-bromine-iodine battery, provided by the invention, redox of iodine valence state I-I0I < + > and redox of bromine valence state BrBr0 can be realized at the same time, and six-electron transfer of halogen compounds in the zinc-bromine-iodine battery is realized. On one hand, the energy density of the battery is increased to 3-4 times of the initial value, and on the other hand, the zinc-bromine-iodine battery containing the zinc-bromine-iodine battery has the advantages of being easy to manufacture and easy to industrially popularize.

The invention discloses a methyl nitroguanidine wastewater ultralow-temperature MVR coupling reverse Carnot cycle zero-discharge treatment method, and relates to the technical field of methyl nitroguanidine wastewater treatment.The methyl nitroguanidine wastewater ultralow-temperature MVR coupling reverse Carnot cycle zero-discharge treatment method comprises the following steps that firstly, after methyl nitroguanidine wastewater enters a regulating reservoir to be homogenized and homogenized, floating oil is removed through an oil removal device, suspended matter is removed through a multi-medium filter, and a mixed solution is obtained; volatile organic compounds are removed by the air stripping device, and the organic compounds are degraded by the ozone catalytic oxidation-biological aerated filter; according to the ultralow-temperature MVR coupled reverse Carnot cycle zero-emission treatment method for the methyl nitroguanidine wastewater, organic matters and salts in the methyl nitroguanidine wastewater are thoroughly separated through a coupling process of ultralow-temperature MVR evaporation concentration and reverse Carnot cycle DTB crystallization, the targets of complete resource utilization and zero emission of the wastewater are achieved, no secondary pollution is generated in the whole treatment process, and the method is suitable for industrial production. The treatment effect is stable and reliable.

The present invention relates to a rubber composition comprising at least one alkoxylated nitrogen compound, in particular as a replacement agent for a guanidine compound. The present invention also relates to a process for vulcanizing such a rubber composition, as well as articles comprising said vulcanized composition, including tires. Finally, the present invention relates to the use of an alkoxylated nitrogen compound as a replacement agent for a guanidine compound.

The application provides a biodegradable antibacterial medical adhesive and a preparation method and application thereof, and belongs to the technical field of biomedical materials and medical devices. The antibacterial medical adhesive is obtained by forming a double cross-linking network hydrogel through Schiff base reaction, electrostatic interaction and hydrogen bond of chitosan guanidine salt, aldehyde-based dextran and tannic acid, and specifically, 0.1-30wt% aldehyde-based dextran aqueous solution and 0.1-25wt% tannic acid aqueous solution are mixed to obtain a mixed solution, then 0.1-30wt% chitosan guanidine salt aqueous solution is added into the mixed solution, and uniform mixing is carried out at room temperature. The tannic acid is introduced on the basis of the chitosan guanidine salt and aldehyde-based dextran to further enhance the adhesion effect, hemostasis, antibacterial and antioxidant properties, and the antibacterial medical adhesive has the advantages of no biological toxicity and can be biodegraded and absorbed.

The application provides a guanidine-containing antibacterial polymer, a preparation method and application thereof, and has the structure shown in the following formula I. When a nanofiber membrane prepared from the guanidine-containing antibacterial polymer is used to filter PM in air, the nanofiber membrane has good filtering effect, and has good bacteriostatic effect on staphylococcus aureus and escherichia coli, and even has better bacteriostatic effect when stored for a long time.

The application discloses a method for efficiently catalyzing alcoholysis of waste polylactic acid by using metal-free bicyclic guanidine acetate salt. The catalyst used in the application is metal-free bicyclic guanidine acetate salt, and the catalyst has high catalytic activity for alcoholysis of waste polylactic acid; under certain conditions, the waste polylactic acid can be 100% degraded, and lactic acid ester with a high yield (the yield ranges from 91.4% to 95.6%) can be obtained, so that the waste polylactic acid can be upgraded and reused. Meanwhile, the catalyst has strong thermal stability and is not easy to decompose at high temperature, and can be recycled. The method solves the problems of slow reaction rate, low yield and metal residues in products in the alcoholysis process of waste polylactic acid, and the catalyst has the advantages of green pollution-free and recyclable use.

Membranes, methods of making the membranes, and methods of using the membranes are described herein. The membrane can comprise a support layer; and a selective polymer layer disposed (e.g., coated) on the support layer. The selective polymer layer can comprise a polymer matrix (e.g., a hydrophilic polymer, an amine-containing polymer, or a combination thereof), and a guanidine-based mobile carrier dispersed within the polymer matrix. Optionally, the selective polymer later can further include an amine-based mobile carrier, a CO2-philic ether, a graphene oxide, carbon nanotubes, or a combination thereof, dispersed within the polymer matrix. The membranes can be used to separate carbon dioxide from other gases, such as hydrogen and / or nitrogen. Also provided are methods of separating gas streams using the membranes described herein.

The invention relates to the technical field of titanium dioxide production, in particular to high-dispersion high-temperature-resistant titanium dioxide and a preparation method thereof. The preparation method comprises the following steps: S1, adjusting the temperature and pH of titanium dioxide base material slurry, and curing; s2, simultaneously adding an alkaline aluminum salt solution and an HIO3 solution, and curing; s3, adjusting the pH value of the slurry, curing, washing with water, and drying to obtain a filter cake; s4, pulping by adopting an aprotic solvent, adjusting the temperature of the slurry, adding pyridine, curing, adding Tf2O, and curing; and S5, adding solid acid and guanidine, carrying out a reaction in an inert protective atmosphere under heating and pressurizing conditions, and carrying out alcohol washing, flash evaporation and steam powdering on the reacted slurry to obtain the high-dispersion and high-temperature-resistant titanium dioxide. The iodine element is introduced in the inorganic coating process, and Tf2O and guanidine are adopted for organic modification, so that bidirectional improvement of temperature resistance and dispersity of titanium dioxide is realized.

The present invention relates to a rubber composition comprising at least one alkoxylated nitrogen compound, particularly as a replacement for a guanidine compound. The present invention also relates to a method for vulcanizing such a rubber composition, as well as articles comprising this vulcanized composition, including tires. Finally, the present invention relates to the use of an alkoxylated nitrogen compound as a replacement for a guanidine compound.