Classifications

• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
  • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
  • C08G65/32—Polymers modified by chemical after-treatment
  • C08G65/338—Polymers modified by chemical after-treatment with inorganic and organic compounds
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
  • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
  • C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
  • C08G59/50—Amines
  • C08G59/5006—Amines aliphatic
  • C08G59/502—Polyalkylene polyamines
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
  • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
  • C08G65/32—Polymers modified by chemical after-treatment
  • C08G65/329—Polymers modified by chemical after-treatment with organic compounds
  • C08G65/333—Polymers modified by chemical after-treatment with organic compounds containing nitrogen
  • C08G65/33303—Polymers modified by chemical after-treatment with organic compounds containing nitrogen containing amino group
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
  • C08L71/02—Polyalkylene oxides

Definitions

• the invention relates to water-soluble, crosslinked nitrogen-containing condensation products, the viscosity of which increases in aqueous solution when the temperature rises and drops again when the temperature drops.
• the object of the invention is to provide water-soluble resins, the viscosity of which increases in aqueous solution when the temperature rises and drops again when the temperature drops.
• the 20th contains oxide units, accumulates ethylene oxide.
• the molar ratio of ethylene oxide to propylene oxide units in the block copolymer is chosen so that it is in the range from 6.5: 1 to 1:15 and the degree of ethoxylation per hydroxyl group in the polypropylene glycol is 50 to 250, preferably 75 to 150.
• it can be reacted, for example, with epichlorohydrin in a molar ratio of 1: 1.5 to 6. This reaction is carried out in bulk or in a solvent using Lewis acids.
• reaction products of the formula I in which the substituent R then has the meaning are obtained when these compounds are reacted with bases Has.
• the compounds of the formula I are reacted with polyamines or those compounds which contain at least four basic NH groups.
• polyamines those compounds which contain at least four basic NH groups.
• condensation products of ammonia and amines with ethylene chloride, epichlorohydrin, short-chain dichlorohydrin ethers e.g. Condensation products from ammonia and the dichlorohydrin ether of ethylene glycol, from ethylenediamines and ethylene chloride or from ethylenediamine and epichlorohydrin as well as reaction products from short-chain diepoxides e.g. Butadiol-1,4-bisglycidyl ether or ethylene glycol bisglycidyl ether with diethylenetriamine or methylamine and condensation products from urea and di- or polyamines, e.g.
• Short-chain bisglycidylamines are also suitable as diepoxides.
• the amines in question contain at least one NH group. Suitable amines include mono- and polyamines, each containing an NH group, e.g. Methylamine, ethylamine, dimethylamine, ethylenediamine, diethylenetriamine and polyethyleneimine.
• the viscosity of the condensation products of ammonia and the amines in question is at most 2500 mPas (measured in 50% strength aqueous solution at 20 ° C.) and is generally in the range from 30 to 1700 mPas.
• condensation products of polyamines with dicarboxylic acids which contain 4 to 10 carbon atoms, for example succinic acid, maleic acid, adipic acid, glutaric acid, sebacic acid and Terephthalic acid.
• the suitable Folyamines have 2 to 6 alkylene bridges between the primary amino groups.
• Polyamines which have 3 to 10 basic nitrogen atoms in the molecule are preferably used for the condensate with the dicarboxylic acids mentioned. Examples include diethylenetriamine, triethylenetetramine, tetraethylenetetramine, dipropylenetriamine, tripropylenetetramine and dihexamethylenetriamine.
• the viscosity of the condensation products from amines and dicarboxylic acids is 40 to 1,800 mPas and should not exceed 2,500 mPas (measured in 50% aqueous solution at 20 ° C.).
• the reactive end groups-containing polyethers of the formula I are reacted with the compounds which contain at least 4 basic NH groups in a weight ratio of 0.8: 1 to 30: 1.
• the condensation of the two components is carried out so that water-soluble substances are obtained.
• the reaction can be carried out in the absence or in a polar solvent. However, the procedure can also be such that the polyamines are placed in a reaction vessel and the other component is added until the viscosity of the reaction mixture increases.
• Suitable solvents are, for example, water, alcohols such as methanol, ethanol, prcpanole, ethylene glycol, propylene glycol and monoalkyl ethers derived from the polyhydric alcohols, e.g. Monomethylglycol ether as well as di- and triglycol ether. Dioxane and tetrahydrofuran are also suitable as solvents
• the water-soluble, crosslinked nitrogen-containing condensation products can also be obtained by reacting solutions of the compounds of the formula I with the compounds containing NH groups.
• the component that is used in excess is usually placed in the reaction vessel.
• the condensation reaction can be carried out batchwise or continuously. Particularly uniform products are obtained if first about 5 to 15% of the substances to be reacted are condensed in a reaction vessel and the remaining feedstocks are added batchwise or continuously.
• the addition of the starting materials is adapted to the rate of conversion. If the viscosity increases too much in the course of the progressing reaction, it is advisable to lower the solids concentration in the reaction mixture by adding solvent, so that thorough mixing of the reactants is ensured.
• the reaction temperature can vary within a wide range, it is generally between room temperature and 160 ° C. If water is used as the sole solvent, it is preferably carried out at a temperature in the range from 40 to 80.degree.
• the condensation products according to the invention can be prepared by the reverse suspension polymerization process.
• an aqueous solution of compounds of the formula I and the compounds containing at least 4 NH groups is dispersed in a water-miscible solvent, for example aliphatic or aromatic hydrocarbons or chlorinated hydrocarbons. Dispersions of the invention are then obtained water-soluble, cross-linked nitrogen-containing condensation products.
• the products produced according to the invention can be used in a number of applications. For example, they prevent dye migration and the formation of deposits on the rollers when pigment dyeing and finishing fabrics.
• the substances according to the invention are used in an amount of 0.05 to 7%, based on the printing paste.
• an addition of 0.01 to 20% to electrolytic pretreatment baths contributes to increased gloss formation during the electrolytic deposition of metals.
• the products can also be used to improve the viscosity behavior of aqueous systems, such as polymer solutions and polymer dispersions. For example, adding 1 to 20% of a product according to the invention to a polymer solution or dispersion has the effect that the viscose solutions or dispersions do not sink when heated.
• the invention is illustrated by the following examples.
• the parts given in the examples are parts by weight, the percentages relate to the weight of the substances.
• a 2.5% aqueous solution of the condensation product has a viscosity of 5 mPas at a temperature of 20 ° C, a viscosity of 150 mPas at 50 ° C and a viscosity of 380 mPas at a temperature of 80 ° C.
• the condensation product is suitable as an aid in pigment dyeing and finishing fabrics.
• 1% of the condensation product produced according to the invention is added to the dyebath, the formation of deposits on the rollers is prevented when the printing paste is applied to the fabric, and dye migration is prevented when the fabric dries.
• the solution is stirred and heated to a temperature of 55 ° C.
• the viscosity of the aqueous solution rises sharply during the reaction.
• water A total of 1,040 parts of water were added in three portions.
• a 17% aqueous solution of the nitrogen-containing compensation product had a viscosity of 280 mPas at a temperature of 20 ° C and a viscosity of 36,000 m? As at 80 ° C.
• the reaction product is used as an anti-migration agent in pigment printing pastes.
• the epoxy value of the 40% aqueous solution is 0.055 meq / g.
• 300 parts of a block copolymer of the formula are dissolved in 300 parts of dioxane and heated to a temperature of 40 ° C. Phosgene is then bubbled into the solution for 4 hours. The excess phosgene is then expelled using nitrogen and the dioxane is distilled off under reduced pressure. 50 parts of a 20% aqueous solution of the polyamine described in Example 1 are added to 300 parts of a 33% aqueous solution of the chlorocarbonic acid diester thus prepared. The mixture is then heated to a temperature of 70 ° C. The reaction is complete within 4 hours. 200 parts of water are added and a 20% solution of a crosslinked nitrogen-containing xensation product is obtained. A 10% aqueous solution shows the following viscosity behavior:
• the product is used as an additive to paper coating inks in amounts of 2 to 10% by weight, based on the paper coating ink.
• a 10% aqueous solution shows the following viscosity behavior: If a flat nonwoven is impregnated with a conventional binder and a customary dye dispersion which contains 0.3% of the water-soluble, nitrogen-containing condensation product described above, then after squeezing and drying the nonwoven, an article of any color and uniformly solidified is obtained.
• adipic acid 438 parts are added at 340 ° C. to 340 parts of diethylenetriamine with thorough mixing.
• the reaction temperature is then increased to 160 to 180 ° C. and water is distilled off from the reaction mixture until the acid number of the reaction product is less than 10.
• the mixture is then cooled and diluted to a solids content of 50% by adding 676 parts of water.
• the condensation product can be used as a cold lubricant when cutting metals.
• the condensation product is used in quench baths.
• the nitrogen-containing, cross-linked condensation product when added in quantities of 0.001 to 5% to galvanic baths, improves the gloss formation of the treated metals.
• the solution is 5% suitable as a thickener for paper coating colors.
• the product is used in the form of a 0.3% aqueous solution as a quenching bath for the hardening of steels.
• a hardness curve is obtained which is similar to that when hardening with quenching oil.
• the product is also suitable as a quenching agent for inductive hardening.
• the product is suitable as a thickener for printing pastes in textile printing. This prevents the dye from streaking through, so that the prints appear significantly more brilliant.
• a 0.4% solution is suitable as a quenching agent for aluminum and aluminum alloys.

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Medicinal Chemistry (AREA)
• Polymers & Plastics (AREA)
• General Chemical & Material Sciences (AREA)
• Inorganic Chemistry (AREA)
• Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
• Compositions Of Macromolecular Compounds (AREA)
• Polyethers (AREA)
• Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
• Epoxy Resins (AREA)
• Paints Or Removers (AREA)

Applications Claiming Priority (2)

Publications (2)

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• 1977
  • 1977-07-28 DE DE19772733973 patent/DE2733973A1/de not_active Withdrawn
• 1978
  • 1978-07-03 US US05/921,221 patent/US4224421A/en not_active Expired - Lifetime
  • 1978-07-05 CA CA306,822A patent/CA1133190A/fr not_active Expired
  • 1978-07-20 IT IT50399/78A patent/IT1106107B/it active
  • 1978-07-21 EP EP78100466A patent/EP0000561B1/fr not_active Expired
  • 1978-07-21 DE DE7878100466T patent/DE2861157D1/de not_active Expired
  • 1978-07-27 AT AT0548378A patent/AT383369B/de not_active IP Right Cessation
  • 1978-07-28 JP JP9165978A patent/JPS5425998A/ja active Granted

Patent Citations (7)

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