WO2003093343A1 - Verfahren zur herstellung hochfunktioneller, hyperverzweigter polyester - Google Patents
Verfahren zur herstellung hochfunktioneller, hyperverzweigter polyester Download PDFInfo
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- WO2003093343A1 WO2003093343A1 PCT/EP2003/004121 EP0304121W WO03093343A1 WO 2003093343 A1 WO2003093343 A1 WO 2003093343A1 EP 0304121 W EP0304121 W EP 0304121W WO 03093343 A1 WO03093343 A1 WO 03093343A1
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- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/20—Polyesters having been prepared in the presence of compounds having one reactive group or more than two reactive groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
- C08L101/005—Dendritic macromolecules
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
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- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/81—Preparation processes using solvents
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- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
Definitions
- the present invention relates to a method for producing highly functional, hyperbranched polyesters, characterized in that
- the present invention relates to highly functional, hyperbranched polyesters, obtainable by the process described above, and the use of the highly functional, hyperbranched polyesters thus obtained in coatings, lacquers, coatings and adhesives and printing inks.
- Modified, highly functional hyperbranched polyesters and polyester based denimers are known as such, see for example WO 96/19537, and are already used in some applications, for example as an impact modifier.
- dendrimers are too expensive for general use because the syntheses place high demands on the yields of the building reactions and purity of the intermediate and end products and require reagents which are too expensive for large-scale use.
- the production of hyperbranched, highly functional polyesters produced by conventional esterification reactions usually requires very drastic conditions, cf. WO 96/19537, for example high temperatures and / or strong acids. This can lead to side reactions such as dehydration reactions, decarboxylate ions and, as a result of the side reactions, to undesirable resinification and discoloration.
- GB 2 272 904 discloses a process for the lipase-catalyzed preparation of a polyester in which at least one aliphatic dicarboxylic acid is reacted with itself to form polyesters with at least one aliphatic diol or polyol or at least one aliphatic hydroxycarboxylic acid.
- the process is carried out at temperatures from 10 to 60 ° C., preferably at 40 to 45 ° C., and - even when using glycerol - preferably gives unbranched polyester (page 3, lines 26/27).
- the process disclosed in GB 2 272 904 can therefore be used for the targeted construction of linear polymers. Pentaerythritol cannot be implemented in the process disclosed in GB 2 272 904 (page 3, line 28).
- the example demonstrates the synthesis of a linear polyester from adipic acid and butane-1,4-diol.
- WO 94/12652 discloses a process for the enzyme-catalyzed synthesis of polyesters which is carried out in the absence of solvents (page 3, line 26). A distinction can be made between two process steps. In the first step, enzymatic oligomers are made from diols and dicarboxylic acids or related products. The enzyme is then either recovered and the reaction continued at an elevated temperature, or the enzyme is left in the reaction mixture and the temperature is increased, accepting a possible irreversible destruction of the enzyme.
- WO 98/55642 describes a special process for the enzyme-catalyzed synthesis of polyesters by reacting either hydroxycarboxylic acids or aliphatic dicarboxylic acids with aliphatic diols or polyols and optionally an aliphatic one
- Hydroxycarboxylic acid in a two-stage process in the first stage - optionally in the presence of water - the starting products are reacted in a molar ratio of 1: 1 to 1.1: 1 and the second stage is carried out at elevated temperature.
- the method disclosed does not convert sterically hindered secondary hydroxyl groups (page 7, lines 27/28), the secondary hydroxyl group of, for example, glycerol being classified as sterically hindered (page 8, line 4), so that linear products are involved in the reaction of glycerol be preserved.
- WO 99/46397 discloses the synthesis of polyesters by reacting, for example, a polyol with two primary and at least one secondary alcohol function with one or more ren di- or tricarboxylic acids in the presence of an effective amount of a lipase, preferably working under reduced pressure, so that linear polyesters are obtained.
- LE Iglesias et al. in Biotechnology Techniques 1999, 13, 923 report that linear polyesters are obtained if esterified glycerol with adipic acid in the presence of an enzyme at 30 ° C.
- BI Kline et al. report in Polymer Mat. Be . Closely. 1998, 79, 35 that linear polyesters are obtained if glycerol is reacted with adipic acid divinyl ester in the presence of an enzyme at 50 ° C.
- a process for the synthesis of polyester polyols is known from EP-A 0 680 981, which consists in that a polyol, for example glycerol, and adipic acid in a ratio (OH: COOH 3: 1) in the absence of catalysts and solvents Heated 150-160 ° C. Products are obtained which are suitable as polyester polyol components of rigid polyurethane foams.
- WO 98/17123 discloses a process for the esterification of glycerol with adipic acid to give polymers which are used in chewing gum. They are obtained by a solvent-free process of esterifying glycerol with adipic acid at 150 ° C (example A). A catalyst is not used. After 4 hours, gels begin to form. However, gel-like polyester polyols are used for numerous applications such as printing inks and Adhesives are undesirable because they can form lumps and reduce the dispersing properties.
- the products obtained by the processes described above are generally difficult to use as components for adhesives or printing inks because they are generally undesirable gel-like products. In addition, they are usually discolored, which is caused by resinification, decarboxylation, intramolecular condensation reactions or similar undesirable side reactions. Finally, the reaction mixtures generally have a large excess of OH groups, based on the COOH group, so that little branched products are obtained.
- the object was therefore to provide a process for the production of highly functional, hyperbranched polyesters ' which avoids the disadvantages known from the prior art. There was still the task of providing new, highly functional, hyperbranched polyesters. Finally, the task was to provide new uses for highly functional, hyperbranched polyesters.
- Highly functional hyperbranched polyesters in the sense of the present invention are molecularly and structurally inconsistent. They differ in their molecular inconsistency of dendrimers and can therefore be produced with considerably less effort.
- the dicarboxylic acids which can be converted according to variant (a) include, for example, oxalic acid, malonic acid, succinic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, undecane- ⁇ , ⁇ -dicarboxylic acid, dodecane- ⁇ , ⁇ -dicarboxylic acid, ice and trans-cyclohexane-1, 2-dicarboxylic acid, ice and trans-cyclohexane-1, 3-dicarboxylic acid, ice and trans-cyclohexane-1, 4-dicarboxylic acid, ice and trans-cyclopentane-1, 2-dicarboxylic acid and also ice and trans-cyclopentane-1,3-dicarboxylic acid,
- -C-C ⁇ o-alkyl groups for example methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec. -Butyl, tert.
- n-pentyl iso-pentyl, sec.-pentyl, neo-pentyl, 1,2-dimethylpropyl, iso-amyl, n-hexyl, iso-hexyl, sec.-hexyl, n-heptyl, iso-heptyl , n-octyl, 2-ethylhexyl, n-nonyl or n-decyl,
- C 3 -C 2 cycloalkyl groups for example cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl, cyclononyl, cyclodecyl, cycloundecyl and cyclododecyl; cyclopentyl, cyclohexyl and cycloheptyl are preferred;
- Alkylene groups such as methylene or ethylidene or
- C 6 ⁇ -C aryl groups such as phenyl, 1-naphthyl, 2-naphthyl, 1-A thryl, 2-A thryl, 9-anthryl, 1-phenanthryl, 2-phenanthryl, 3-phenanthryl, 4-phenanthryl and 9- Phenanthryl, preferably phenyl, 1-naphthyl and 2-naphthyl, particularly preferably phenyl.
- Exemplary representatives for substituted dicarboxylic acids are: 2-methylmalonic acid, 2-ethylmalonic acid, 2-phenylmalonic acid, 2-methylsuccinic acid, 2-ethylsuccinic acid, 2-phenylsuccinic acid, itaconic acid, 3, 3-dimethylglutaric acid.
- the dicarboxylic acids which can be reacted according to variant (a) include ethylenically unsaturated acids such as, for example, maleic acid and fumaric acid, and aromatic dicarboxylic acids such as, for example, phthalic acid, isophthalic acid or terephthalic acid. Mixtures of two or more of the aforementioned representatives can also be used.
- the dicarboxylic acids can be used either as such or in the form of derivatives.
- Mono- or dialkyl esters preferably mono- or dimethyl esters or the corresponding mono- or diethyl esters, but also those of higher alcohols such as n-propanol, isopropanol, n-butanol, isobutanol, tert-butanol, n-pentanol, n -Hexanol derived mono- and dialkyl esters,
- Succinic acid, glutaric acid, adipic acid, phthalic acid, isophthalic acid, terephthalic acid or their mono- or dimethyl esters are particularly preferably used.
- Adipic acid is very particularly preferably used.
- the following can be used as at least trifunctional alcohols: glycerol, butane-1, 2, 4-triol, n-pentane-1,2, 5-triol, n-pentane-1, 3, 5-triol, n-hexane -1,2, 6-triol, n-hexane-1,2, 5-triol, n-hexane-1,3, 6-triol, trimethylolbutane, trimethylolpropane or di-trimethylolpropane, triethylolethane, pentaerythritol or dipentaerythritol; Sugar alcohols such as mesoerythritol, threitol, sorbitol, mannitol or mixtures of the above at least trifunctional alcohols.
- Tricarboxylic acids or polycarbonic acids which can be reacted according to variant (b) are, for example, 1, 2, 4-benzenetricarboxylic acid, 1,3, 5-benzenetricarboxylic acid, 1,2,4, 5-benzenetetracarboxylic acid and mellitic acid.
- Tricarboxylic acids or polycarboxylic acids can be used in the reaction according to the invention either as such or in the form of derivatives.
- Mono-, di- or trialkyl esters preferably mono-, di- or tri-methyl esters or the corresponding mono-, di- or triethyl esters, but also those of higher alcohols such as n-propanol, iso-propanol, n- Butanol, isobutanol, tert-butanol, n-pentanol, n-hexanol derived mono-, di- and triesters, as well as mono-, di- or trivinyl esters
- the diols for variant (b) of the present invention are, for example, ethylene glycol, propane-1,2-diol, propane-1,3-diol, butane-1,2-diol, butane-1,3-diol, butane l, 4-diol, butane-2, 3-diol, pentane-1, 2-diol, pentane-1, 3-diol, pentane-l, 4-diol, pentane-1, 5-diol, pentane-2, 3-diol,
- Pentane-2 4-diol, hexane-1, 2-diol, hexane-1, 3-diol, hexane-l, 4-diol, hexane-1, 5-diol, hexane-1, 6-diol, hexane 2,5-diol, heptane-1,2-diol 1,7-heptanediol, 1,8-0ctanediol, 1,2-octanediol, 1,9-nonanediol, 1,10-decanediol, 1,2-decanediol, 1 , 12-dodecanediol, 1, 2-dodecanediol, 1, 5-hexadiene-3, 4-diol, cyclopentanediols, cyelohexanediols, inositol and derivatives, (2) -
- One or both hydroxyl groups in the diols mentioned above can also be substituted by SH groups.
- Ethylene glycol, propane-1,2-diol and diethylene glycol, triethylene glycol, dipropylene glycol and tripropylene glycol are preferred.
- the molar ratio of hydroxyl groups to carboxyl groups in variants (a) and (b) is 2: 1 to 1: 2, in particular 1.5: 1 to 1: 1.5.
- the at least trifunctional alcohols converted according to variant (a) of the process according to the invention can each have hydroxyl groups of the same reactivity. Preference is also given here to at least trifunctional alcohols whose OH groups are initially equally reactive, but in which a drop in reactivity due to steric or electronic influences can be induced in the remaining OH groups by reaction with at least one acid group. This is the case, for example, when using trimethylolpropane or pentaerythritol.
- the at least trifunctional alcohols converted according to variant (a) of the process according to the invention can also have hydroxyl groups with at least two chemically different reactivities.
- the different reactivity of the functional groups can be based either on chemical (e.g. primary / secondary / tertiary OH group) or on steric causes.
- the triol can be a triol which has primary and secondary hydroxyl groups, a preferred example being glycerol.
- the process is preferably carried out in the absence of diols and monofunctional alcohols.
- the process according to the invention is carried out in the presence of a solvent.
- a solvent for example, hydrocarbons such as paraffins or aromatics are suitable.
- paraffins are n-heptane and cyclohexane.
- aromatics are toluene, ortho-xylene, meta-xylene, para-xylene, xylene as a mixture of isomers, ethylbenzene, chlorobenzene and ortho- and meta-dichlorobenzene zol.
- ethers such as dioxane or tetrahydrofuran
- ketones such as methyl ethyl ketone and methyl isobutyl ketone
- the amount of solvent added is at least 0.1% by weight, based on the mass of the starting materials to be reacted, preferably at least 1% by weight and particularly preferably at least 10% by weight.
- Excess solvents, based on the mass of starting materials used to be converted can also be used, for example " 1.01 to 10 times. Solvent amounts of more than 100 times, based on the mass of starting materials used to be converted , are not advantageous because the reaction rate drops significantly at significantly lower concentrations of the reactants, which leads to uneconomical long reaction times.
- a dehydrating agent as an additive, which is added at the beginning of the reaction.
- Molecular sieves are particularly suitable, in particular molecular sieve 4 ⁇ , MgS0 and Na 2 S0 4 . Additional dehydrating agents can also be added during the reaction, or dehydrating agents can be replaced by fresh dehydrating agents. Water or alcohol formed during the reaction can also be distilled off and, for example, a water separator can be used.
- the process according to the invention can be carried out in the absence of acidic catalysts.
- the process is preferably carried out in the presence of an acidic inorganic, organometallic or organic catalyst or mixtures of two or more acidic inorganic, organometallic or organic catalysts.
- aluminum compounds of the general formula AI (OR) 3 and titanates of the general formula Ti (OR) can be used as acidic inorganic catalysts, where the radicals R can in each case be the same or different and are selected independently of one another
- Ci-Cio-alkyl radicals for example methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl, tert. -Butyl, n-pentyl, iso-pentyl, sec.-pentyl, neo-pentyl, 1,2-dirnethylpropyl, iso- Amyl, n-hexyl, iso-hexyl, sec.-hexyl, n-heptyl, iso-heptyl, n-octyl, 2-ethylhexyl, n-nonyl or n-decyl,
- C 3 -C -cycloalkyl radicals for example cyclopropyl, cyclobutyl, 5 cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl, cyclononyl, cyclodecyl, cycloundecyl and cyclododecyl; cyclopentyl, cyclohexyl and cycloheptyl are preferred.
- radicals R in Al (OR) 3 or Ti (OR) 4 are preferably each 10 and selected from isopropyl or 2-ethylhexyl.
- Preferred acidic organometallic catalysts are selected, for example, from dialkyltin oxides R 2 SnO, where R is defined as above.
- a particularly preferred representative of acidic organometallic catalysts is di-n-butyltin oxide, which is commercially available as so-called oxo-tin.
- Preferred acidic organic catalysts are acidic organic compounds with, for example, phosphate groups, sulfonic acid
- Sulfonic acids such as para-toluenesulfonic acid are particularly preferred.
- acidic ion exchangers as acidic organic catalysts, for example polystyrene resins containing sulfonic acid groups, which crosslinked with about 2 mol% of divinylbenzene
- Enzymes or decomposition products of enzymes do not belong to the acidic organic catalysts in the sense of the present invention.
- the 40 dicarboxylic acids reacted according to the invention do not belong to the acidic organic catalysts in the sense of the present invention.
- the use of enzymes is advantageously dispensed with. 5
- the process according to the invention is carried out under an inert gas atmosphere, that is to say, for example, under carbon dioxide, nitrogen or noble gas, among which argon should be mentioned in particular.
- the inventive method is carried out at temperatures from 80 to 200 ° C. Preferably one works at temperatures from 130 to 180, in particular up to 150 ° C or below. Maximum temperatures up to 145 ° C. are particularly preferred, very particularly preferably up to 135 ° C.
- the printing conditions of the method according to the invention are not critical per se. You can work at a significantly reduced pressure, for example at 10 to 500 mbar.
- the invention
- the process can also be carried out at pressures above 500 mbar.
- the reaction at atmospheric pressure is preferred; however, it is also possible to carry out the process at a slightly elevated pressure, for example up to 1200 mbar. You can also work under significantly increased pressure, for example
- the reaction time of the process according to the invention is usually 10 minutes to 25 hours, preferably 30 minutes to 25 10 hours and particularly preferably one to 8 hours.
- the highly functional hyperbranched polyesters can be isolated easily, for example by filtering off the catalyst and concentrating, the concentration 30 usually being carried out under reduced pressure.
- Other well-suited processing methods are precipitation after adding water and subsequent washing and drying.
- Another object of the present invention are the highly functional, hyperbranched polyesters obtainable by the process according to the invention. They are characterized by a particularly low proportion of discoloration and resinification.
- hyperbranched polymers see also: P.J. Flory, J. Am. Chem. Soc. 1952, 74, 2718 and A. Sunder et al., Chem. Eur. 0 J. 2000, 6, No.l, 1-8.
- “highly functional hyperbranched” is understood to mean that branching is present in 30 to 70 mol%, preferably 40 to 60 mol%, of each monomer unit.
- the polyesters according to the invention have a molecular weight M w of 2000 to 50,000 g / mol, preferably 3000 to 20,000, particularly preferably 3000 to 7000 and very particularly preferably 4000 g / mol.
- the polydispersity is 1.2 to 50, preferably 1.4 to 40, particularly preferably 1.5 to 30 and very particularly preferably up to 10. They are usually readily soluble, ie clear solutions with up to 50% by weight can be obtained. , in some cases even up to 80% by weight, of the polyesters according to the invention in tetrahydrofuran (THF), n-butyl acetate, ethanol and numerous other solvents, without gel particles being detectable with the naked eye.
- THF tetrahydrofuran
- n-butyl acetate ethanol
- numerous other solvents without gel particles being detectable with the naked eye.
- the highly functional hyperbranched polyesters according to the invention are carboxy-terminated, carboxy- and hydroxyl-terminated and preferably hydroxyl-terminated and can be used for the preparation e.g. of adhesives, printing inks, coatings, foams, coatings and varnishes can be used to advantage.
- Another aspect of the present invention is the use of the highly functional, hyperbranched polyesters according to the invention for the production of polyaddition or polycondensation products, for example polycarbonates, polyurethanes and polyethers. Preference is given to using the hydroxyl group-terminated, highly functional, hyperbranched polyesters for the production of polyaddition or polycondensation products, polycarbonates or polyurethanes.
- Another aspect of the present invention is the use of the highly functional hyperbranched polyesters according to the invention and of the polyaddition or polycondensation products produced from highly functional, hyperbranched polyesters as a component of adhesives, coatings, foams, coatings and lacquers.
- Another aspect of the present invention are printing inks, adhesives, coatings, foams, coatings and lacquers containing the highly functional hyperbranched polyesters according to the invention or polyaddition or polycondensation products prepared from the highly functional, hyperbranched polyesters according to the invention. They are characterized by excellent technical properties.
- Another preferred aspect of the present invention are printing inks, in particular packaging printing inks for flexographic and / or intaglio printing, which comprise at least one solvent or a mixture of different solvents, at least one colorant, at least one polymeric binder and optionally further additives, where at least one of the polymeric binders is a hyperbranched, highly functional polyester according to the invention.
- the hyperbranched polyesters according to the invention can also be used in the context of the present invention in a mixture with other binders.
- further binders for the printing inks according to the invention include polyvinyl butyral, nitrocellulose, polyamides, polyacrylates or polyacrylate copolymers.
- the combination of the hyperbranched polyesters with nitrocellulose has proven to be particularly advantageous.
- the total amount of all binders in the printing ink according to the invention is usually 5-35% by weight, preferably 6-30% by weight and particularly preferably 10-25% by weight, based on the sum of all constituents.
- the ratio of hyperbranched polyester to the total amount of all binders is usually in the range from 30% by weight to 100% by weight, preferably at least 40% by weight, but the amount of hyperbranched polyester is generally 3% by weight, should preferably not fall below 4% by weight and particularly preferably 5% by weight with respect to the sum of all components of the printing ink.
- a single solvent or a mixture of several solvents can be used.
- the usual solvents for printing inks, in particular packaging printing inks are suitable as solvents.
- Alcohols such as ethanol, 1-propanol, 2-propanol, ethylene glycol, propylene glycol, diethylene glycol, substituted alcohols such as, for example, are particularly suitable as solvents for the printing ink according to the invention
- Water is also suitable in principle as a solvent.
- Ethanol or mixtures which consist predominantly of ethanol are particularly preferred as solvents.
- the person skilled in the art makes a suitable selection from the solvents which are possible in principle, depending on the solubility properties of the polyester and the desired properties of the printing ink. Usually 40 to 80% by weight of solvent is used in relation to the sum of all components of the printing ink.
- the usual dyes in particular common pigments, can be used as colorants.
- inorganic pigments such as titanium dioxide pigments or iron oxide pigments, interference pigments, carbon blacks, metal powders such as in particular aluminum, brass or copper powder, and organic pigments such as azo, phthalocyanine or isoindoline pigments.
- organic pigments such as azo, phthalocyanine or isoindoline pigments.
- Mixtures of different dyes or colorants can of course also be used, as can soluble organic dyes.
- Usually 5 to 25% by weight of colorant is used in relation to the sum of all components.
- the packaging printing ink according to the invention can optionally comprise further additives and auxiliary substances.
- additives and auxiliaries are fillers such as calcium carbonate, aluminum oxide hydrate or aluminum or magnesium silicate.
- Waxes increase the abrasion resistance and serve to increase the lubricity.
- Examples are in particular polyethylene waxes, oxidized polyethylene waxes, petroleum waxes or ceresin waxes.
- Fatty acid amides can be used to increase the surface smoothness.
- Plasticizers serve to increase the elasticity of the dried film.
- phthalic acid esters such as dibutyl phthalate, diisobutyl phthalate, dioctyl phthalate, citric acid esters or esters of adipic acid.
- Dispersing aids can be used to disperse the pigments.
- Adhesion promoters can advantageously be dispensed with in the printing ink according to the invention, without the use of adhesion promoters thereby being excluded.
- the total amount of all additives and auxiliary substances usually does not exceed 20% by weight with respect to the sum of all components of the printing ink and is preferably 0-10% by weight.
- the packaging printing ink according to the invention can be produced in a manner known in principle by intensive mixing or dispersing of the constituents in conventional apparatus such as, for example, dissolvers, stirred ball mills or a three-roll mill.
- a concentrated pigment dispersion with a part of the components and a part of the solvent is advantageously first produced, which is later processed further with further constituents and further solvent to form the finished printing ink.
- a further preferred aspect of the present invention is printing varnishes which comprise at least one solvent or a mixture of different solvents, at least one polymeric binder and optionally further additives, where at least one of the polymeric binders is a hyperbranched, highly functional polyester, and the use thereof of the printing varnishes according to the invention for priming, as a protective varnish and for producing multilayer materials.
- the printing varnishes according to the invention naturally do not contain any colorants, but apart from that they have the same constituents as the printing inks according to the invention already described.
- the amounts of the other components increase accordingly.
- the invention is illustrated by working examples.
- the analytical data of the polyesters according to the invention can be found in Table 1.
- Adipic acid (526 g, 3.6 mol), trimethylolpropane (537 g, 4.0 mol), Fascat® (2.1 g) in toluene were placed in a 2-1 four-necked flask equipped with a water separator (200 g) heated to 125-140 ° C under nitrogen. After a reaction time of 25 h, the toluene was distilled off under reduced pressure. A colorless, viscous polyester was obtained.
- Example 1 was repeated, but the amount of adipic acid (351 g, 2.4 mol), trimethylolpropane (268 g, 2.0 mol) and toluene (100 g) was halved, and tetra- (2-ethylhexyl) was used as the catalyst.
- Adipic acid (351 g, 2.4 mol), trimethylolpropane (268 g, 2.0 mol) and toluene (20 g) were mixed well under nitrogen in a 1 liter four-necked flask equipped with a water separator ° C heated and the water of reaction formed distilled off. After a reaction time of 3 h Toluene distilled off under reduced pressure. A colorless, viscous polyester was obtained.
- adipic acid (877 g, 6.0 mol) were mixed with glycerol (461 g, 5.0 mol) in the presence of di-n-butyltin oxide (Fascat®) ( 3 g) reacted with one another under nitrogen in toluene (200 g) at 130 ° C. for 6 hours.
- Fascat® di-n-butyltin oxide
- Azelaic acid (94 g, 0.5 mol) together with trimethylolpropane (67 g, 0.5 mol) were dissolved in toluene (20 g) under nitrogen in a 1 liter four-necked flask equipped with a water separator. After addition of di-n-butyltin oxide (Fascat®, 0.32 g), the water of reaction formed was heated to 135-140 ° C. for 9 h. After cooling to room temperature and distilling off the remaining toluene, colorless polyester was obtained.
- di-n-butyltin oxide Fascat®, 0.32 g
- the acid number was determined according to DIN 53402. M w was determined by GPC in THF using polystyrene calibration.
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- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020047017319A KR100974259B1 (ko) | 2002-04-30 | 2003-04-22 | 고작용성 과분지화 폴리에스테르의 제조 방법 |
US10/510,354 US20050165177A1 (en) | 2002-04-30 | 2003-04-22 | Method for producing highly functional, hyperbranched polyesters |
DE50305493T DE50305493D1 (de) | 2002-04-30 | 2003-04-22 | Verfahren zur herstellung hochfunktioneller, hyperverzweigter polyester |
EP03729931A EP1501882B1 (de) | 2002-04-30 | 2003-04-22 | Verfahren zur herstellung hochfunktioneller, hyperverzweigter polyester |
AU2003240456A AU2003240456A1 (en) | 2002-04-30 | 2003-04-22 | Method for producing highly functional, hyperbranched polyesters |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10219508A DE10219508A1 (de) | 2002-04-30 | 2002-04-30 | Verfahren zur Herstellung hochfunktioneller, hyperverzweigter Polyester |
DE10219508.0 | 2002-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003093343A1 true WO2003093343A1 (de) | 2003-11-13 |
Family
ID=29224957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/004121 WO2003093343A1 (de) | 2002-04-30 | 2003-04-22 | Verfahren zur herstellung hochfunktioneller, hyperverzweigter polyester |
Country Status (9)
Country | Link |
---|---|
US (1) | US20050165177A1 (de) |
EP (1) | EP1501882B1 (de) |
KR (1) | KR100974259B1 (de) |
CN (1) | CN100567360C (de) |
AT (1) | ATE343607T1 (de) |
AU (1) | AU2003240456A1 (de) |
DE (2) | DE10219508A1 (de) |
ES (1) | ES2276066T3 (de) |
WO (1) | WO2003093343A1 (de) |
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- 2002-04-30 DE DE10219508A patent/DE10219508A1/de not_active Withdrawn
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- 2003-04-22 AU AU2003240456A patent/AU2003240456A1/en not_active Abandoned
- 2003-04-22 KR KR1020047017319A patent/KR100974259B1/ko active IP Right Grant
- 2003-04-22 US US10/510,354 patent/US20050165177A1/en not_active Abandoned
- 2003-04-22 CN CNB038094800A patent/CN100567360C/zh not_active Expired - Fee Related
- 2003-04-22 WO PCT/EP2003/004121 patent/WO2003093343A1/de active IP Right Grant
- 2003-04-22 EP EP03729931A patent/EP1501882B1/de not_active Expired - Lifetime
- 2003-04-22 DE DE50305493T patent/DE50305493D1/de not_active Expired - Lifetime
- 2003-04-22 ES ES03729931T patent/ES2276066T3/es not_active Expired - Lifetime
- 2003-04-22 AT AT03729931T patent/ATE343607T1/de not_active IP Right Cessation
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US7148293B2 (en) | 2002-08-30 | 2006-12-12 | Basf Aktiengesellschaft | Method for the production of hyperbranched water-soluble polyesters |
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JP4695099B2 (ja) * | 2004-02-04 | 2011-06-08 | ビーエーエスエフ ソシエタス・ヨーロピア | 流動能を有するポリエステル成形材料 |
KR101152559B1 (ko) * | 2004-02-04 | 2012-07-05 | 바스프 에스이 | 유동성 폴리에스테르 성형 조성물 |
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JP2007520609A (ja) * | 2004-02-04 | 2007-07-26 | ビーエーエスエフ アクチェンゲゼルシャフト | 流動能を有するポリエステル成形材料 |
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AU2005211504B2 (en) * | 2004-02-04 | 2010-08-05 | Basf Aktiengesellschaft | Fluid polyester moulding masses |
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KR101188577B1 (ko) | 2004-07-21 | 2012-10-05 | 바스프 에스이 | 초분지형 폴리에스테르 및/또는 폴리카르보네이트를함유하는 폴리알킬렌 아릴레이트의 연속 제조 방법 |
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WO2006042705A1 (de) * | 2004-10-20 | 2006-04-27 | Basf Aktiengesellschaft | Fliessfähige polyamide mit hyperverzweigten polyestern/polycarbonaten |
CN102516748B (zh) * | 2004-10-20 | 2014-07-02 | 巴斯夫欧洲公司 | 包含超支化聚酯/聚碳酸酯的可流动性聚酰胺 |
KR101246467B1 (ko) | 2005-02-01 | 2013-03-21 | 바스프 에스이 | 카르보디이미드 안정화제가 있는 유동성 폴리에스테르 |
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US20120202943A1 (en) * | 2005-07-22 | 2012-08-09 | Basf Se | Flowable polyesters with polyester elastomers |
WO2007125041A1 (de) * | 2006-04-28 | 2007-11-08 | Basf Se | Hyperverzweigte polyester mit niedriger säurezahl und ihre verwendung |
US9353287B2 (en) | 2006-12-19 | 2016-05-31 | Basf Coatings Gmbh | Coating agents having high scratch resistance and weathering stability |
US8569438B2 (en) | 2006-12-19 | 2013-10-29 | Basf Coatings Gmbh | Coating agents having high scratch resistance and weathering stability |
CN101679589B (zh) * | 2007-06-06 | 2012-07-25 | 巴斯福涂料股份有限公司 | 含有超支化的、树枝状的、羟基官能的聚酯的清漆组合物 |
US9334355B2 (en) | 2007-06-06 | 2016-05-10 | Basf Japan Ltd. | Clear paint compositions comprising hyperbranched, dendritic, hydroxyl-functional polyesters |
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DE102008002704A1 (de) | 2007-07-02 | 2009-01-08 | Basf Se | Verfahren zur Verbesserung der Haftung von Verbundstoffen, bestehend aus geschäumten Polyurethan und massiven Materialien |
US8679589B2 (en) | 2007-12-19 | 2014-03-25 | Basf Coatings Gmbh | Coating agent having high scratch resistance and high weathering resistance |
US8808805B2 (en) | 2007-12-19 | 2014-08-19 | Basf Coatings Gmbh | Coating agent with high scratch resistance and weathering resistance |
US9090732B2 (en) | 2007-12-19 | 2015-07-28 | Basf Coatings Gmbh | Coating composition having a high scratch resistance and weathering stability |
US8658752B2 (en) | 2008-06-25 | 2014-02-25 | Basf Coatings Gmbh | Use of partially silanized polyisocyanate-based compounds as crosslinking-agents in coating compositions, and coating compositions comprising the compounds |
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US8486539B2 (en) | 2008-12-05 | 2013-07-16 | Basf Coatings Gmbh | Coating compositions and coatings produced from them with high scratch resistance, weathering stability, and good optical properties |
WO2011141266A1 (de) | 2010-04-15 | 2011-11-17 | Basf Se | Verfahren zur herstellung von flammgeschützten polyurethan-schaumstoffen |
WO2013113587A1 (de) | 2012-02-03 | 2013-08-08 | Basf Se | Hyperverzweigte polymere zur modifikation der zähigkeit von gehärteten epoxidharz-systemen |
US10377914B2 (en) | 2013-08-22 | 2019-08-13 | Basf Se | Method for producing emulsion polymerisates |
WO2018065571A1 (de) | 2016-10-07 | 2018-04-12 | Basf Se | Verfahren zur herstellung von wässrigen dispersionen |
US11427728B2 (en) | 2016-10-07 | 2022-08-30 | Basf Se | Method for producing aqueous dispersions |
WO2018188986A1 (de) | 2017-04-13 | 2018-10-18 | Basf Se | Polymere als additive für kraft und schmierstoffe |
WO2022018213A1 (en) | 2020-07-23 | 2022-01-27 | Basf Se | Application of the ring-opening of uretdiones at low temperature and ambient atmosphere |
WO2022029130A1 (en) | 2020-08-04 | 2022-02-10 | Basf Se | Branched polyaspartic acid esters and their preparation |
Also Published As
Publication number | Publication date |
---|---|
ATE343607T1 (de) | 2006-11-15 |
EP1501882B1 (de) | 2006-10-25 |
DE50305493D1 (de) | 2006-12-07 |
EP1501882A1 (de) | 2005-02-02 |
ES2276066T3 (es) | 2007-06-16 |
US20050165177A1 (en) | 2005-07-28 |
CN1649931A (zh) | 2005-08-03 |
KR20040104650A (ko) | 2004-12-10 |
KR100974259B1 (ko) | 2010-08-06 |
DE10219508A1 (de) | 2003-11-13 |
CN100567360C (zh) | 2009-12-09 |
AU2003240456A1 (en) | 2003-11-17 |
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