WO2012010594A1 - Reglermolekül - Google Patents
Reglermolekül Download PDFInfo
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- WO2012010594A1 WO2012010594A1 PCT/EP2011/062345 EP2011062345W WO2012010594A1 WO 2012010594 A1 WO2012010594 A1 WO 2012010594A1 EP 2011062345 W EP2011062345 W EP 2011062345W WO 2012010594 A1 WO2012010594 A1 WO 2012010594A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
- C08F220/285—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing a polyether chain in the alcohol moiety
- C08F220/286—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing a polyether chain in the alcohol moiety and containing polyethylene oxide in the alcohol moiety, e.g. methoxy polyethylene glycol (meth)acrylate
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- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/48—Phosphonous acids [RP(OH)2] including [RHP(=O)(OH)]; Thiophosphonous acids including [RP(SH)2], [RHP(=S)(SH)]; Derivatives thereof
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- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/30—Phosphinic acids [R2P(=O)(OH)]; Thiophosphinic acids ; [R2P(=X1)(X2H) (X1, X2 are each independently O, S or Se)]
- C07F9/32—Esters thereof
- C07F9/3258—Esters thereof the ester moiety containing a substituent or a structure which is considered as characteristic
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- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/48—Phosphonous acids [RP(OH)2] including [RHP(=O)(OH)]; Thiophosphonous acids including [RP(SH)2], [RHP(=S)(SH)]; Derivatives thereof
- C07F9/4808—Phosphonous acids [RP(OH)2] including [RHP(=O)(OH)]; Thiophosphonous acids including [RP(SH)2], [RHP(=S)(SH)]; Derivatives thereof the acid moiety containing a substituent or structure which is considered as characteristic
- C07F9/4816—Acyclic saturated acids or derivatices which can have further substituents on alkyl
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- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
- C07F9/572—Five-membered rings
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- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
- C07F9/576—Six-membered rings
- C07F9/59—Hydrogenated pyridine rings
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/53—Phosphorus bound to oxygen bound to oxygen and to carbon only
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/53—Phosphorus bound to oxygen bound to oxygen and to carbon only
- C08K5/5313—Phosphinic compounds, e.g. R2=P(:O)OR'
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- C—CHEMISTRY; METALLURGY
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- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/30—Phosphinic acids [R2P(=O)(OH)]; Thiophosphinic acids ; [R2P(=X1)(X2H) (X1, X2 are each independently O, S or Se)]
- C07F9/32—Esters thereof
- C07F9/3258—Esters thereof the ester moiety containing a substituent or a structure which is considered as characteristic
- C07F9/3264—Esters with hydroxyalkyl compounds
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- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/48—Phosphonous acids [RP(OH)2] including [RHP(=O)(OH)]; Thiophosphonous acids including [RP(SH)2], [RHP(=S)(SH)]; Derivatives thereof
- C07F9/4808—Phosphonous acids [RP(OH)2] including [RHP(=O)(OH)]; Thiophosphonous acids including [RP(SH)2], [RHP(=S)(SH)]; Derivatives thereof the acid moiety containing a substituent or structure which is considered as characteristic
- C07F9/4825—Acyclic unsaturated acids or derivatives
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/48—Phosphonous acids [RP(OH)2] including [RHP(=O)(OH)]; Thiophosphonous acids including [RP(SH)2], [RHP(=S)(SH)]; Derivatives thereof
- C07F9/4808—Phosphonous acids [RP(OH)2] including [RHP(=O)(OH)]; Thiophosphonous acids including [RP(SH)2], [RHP(=S)(SH)]; Derivatives thereof the acid moiety containing a substituent or structure which is considered as characteristic
- C07F9/485—Polyphosphonous acids or derivatives
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- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/50—Organo-phosphines
- C07F9/5004—Acyclic saturated phosphines
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/50—Organo-phosphines
- C07F9/5018—Cycloaliphatic phosphines
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- C—CHEMISTRY; METALLURGY
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- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/50—Organo-phosphines
- C07F9/53—Organo-phosphine oxides; Organo-phosphine thioxides
- C07F9/5304—Acyclic saturated phosphine oxides or thioxides
Definitions
- the invention relates to the field of preparation of polymers by radical polymerization.
- organic compounds are used as molecular weight regulators, such as, for example, mercaptans, mercaptoethanol, thioglycol, mercaptopropionic acid, thiocarbamates and cysteine.
- Sulfur-containing substances are disadvantageous in that they are difficult to handle during the polymerization and because of their unpleasant odor, especially at higher temperatures, the production process and the performance characteristics of these
- low molecular weight regulators such as phosphite or sulfite have the disadvantage that the salts formed during the reaction from the regulators are only partially soluble and therefore precipitate from highly concentrated solutions.
- Phosphinic acid as a regulator in free-radical polymerizations does not lead to the formation of poorly soluble salts, furthermore, the polymers produced by the regulator according to the invention have a uniform degree of polymerization with a narrow size distribution.
- the present invention relates to monosubstituted phosphinic acids of the formula (I)
- X is H + , alkali metal ion, alkaline earth metal ion, di- or trivalent metal ion, ammonium ion, organic ammonium group or an organic radical having a molecular weight of ⁇ 200 g / mol, in particular X is Na + or K + .
- Ri is H, an alkyl group, preferably 1-20
- the index q is from 2 to 300, in particular from 2 to 50, particularly preferably from 3 to 10
- the index n is from 2 to 4, preferably a value of 2
- the index r represents a value from 0 to 1
- R 2 , R 3 and R 4 are independently H, CH 3 , COOH or CH 2 -COOH. It is clear to the skilled person that in this
- Metal ions or ammonium ions such as COO " Na + or CH 2 -COO " Na + understood.
- R 5 is -CH 2 -CH 2 - or -CH 2 -CH (CH 3 ) - and
- R 6 is O or N.
- [AO] is the formula (XV)
- molecular weight or “molecular weight” is meant for the purposes of the invention, the average molecular weight Mw.
- polymer in the present document comprises, on the one hand, a collective of chemically uniform, but different in terms of degree of polymerization, molecular weight and chain length macromolecules, which was prepared by a polyreaction (polymerization, polyaddition, polycondensation) such collective of macromolecules from polyreactions, compounds which have been obtained by reactions, such as additions or substitutions, of functional groups on predetermined macromolecules and which may be chemically uniform or chemically nonuniform.
- X is an organic ammonium group, it is preferably an aliphatic amine or a
- hydroxyaliphatic amine in particular a mono-, di- or trialkylamine such as methyl, ethyl or diethylamine, or a mono-, di- or tri- (hydroxyalkyl) -amine such as, for example, ethanolamine, di- or triethanolamine, tris ( hydroxymethyl) methylamine or N- (hydroxyethyl) -N, N-di-ethylamines.
- Molecular weight of ⁇ 200 g / mol it is preferably a C-i - to C2o-alkyl group or a radical containing alkylene oxide, having a molecular weight of ⁇ 200 g / mol.
- the compound of the formula (I) is preferably to connect with
- the compound of the formula (I) is particularly preferably
- the present invention relates to a process for preparing a monosubstituted phosphinic acid by reacting a phosphinic acid of the formula (XII)
- W, R-1-R5 X and r are radicals, or index, as previously described as radicals, or index for W, R1-R5 X and r, in the presence of a radical initiator.
- the reaction is a radical
- methyl poly (oxyethylene) vinyl ethers Particularly preferred are methyl poly (oxyethylene) vinyl ethers, methyl poly (oxypropylene) vinyl ethers, methyl poly (oxyethyleneoxypropylene) vinyl ethers.
- Poly (oxyethylene) vinyl ether (degree of alkoxylation: 13-14 EO), having a molecular weight of about 500 g / mol, poly (oxyethylene) -1-oxytetramethylene vinyl ether (degree of alkoxylation: 8-9 EO), with a molecular weight of approx 500 g / mol.
- methyl poly (oxyethylene) allyl ethers are methyl poly (oxyethylene) allyl ethers, methyl poly (oxypropylene) allyl ethers, methyl poly (oxyethylene oxypropylene) allyl ethers, methyl poly (oxyethylene) methallyl ethers, methyl poly (oxypropylene) methallyl ethers , Methyl poly (oxyethyleneoxypropylene) methallyl ether, methyl poly (oxyethyleneoxypropylene) methyl buteno ether.
- Poly (oxyethylene) allyl methyl ether (degree of alkoxylation: 2-8 EO), having a molecular weight of about 250 g / mol, poly (oxyethylene) allyl methyl ether (degree of alkoxylation: 3-10 EO), having a molecular weight of about 350 g / mol, poly (oxyethylene) -allylmethylether (degree of alkoxylation: 10 EO), with a molecular weight of about 500 g / mol, poly (oxyethylene) -allylmethylether
- it is preferably methyl poly (oxyethylene) acrylate, methyl poly (oxypropylene) acrylate, methyl poly (oxy ethyleneoxypropylene) acrylate, methyl poly (oxyethylene) methacrylate, methyl poly (oxypropylene) methacrylate, methyl poly (oxyethylene-oxypropylene) methacrylate.
- methyl poly (oxyethylene) crotonate methyl poly (oxypropylene) crotonate, methyl poly (oxyethyleneoxypropylene) crotonate, methyl poly (oxyethylene) maleate, methyl poly (oxypropylene) maleate, methyl poly (oxyethyleneoxypropylene) maleate, methyl poly (oxyethylene) fumarate, methyl poly (oxypropylene) fumarate, methyl poly (oxyethyleneoxypropylene) fumarate, methyl poly (oxyethylene) itaconate, methyl poly (oxypropylene) itaconate, methyl poly (oxyethylene-oxypropylene) itaconate, methyl poly (oxyethylene) citraconate, methyl poly (oxypropylene) citrate, methyl poly (oxyethylene oxypropylene) citraconate, methyl poly (oxyethylene) aconitate, methyl poly (oxypropylene) aconitate, methyl-poly (oxyethylene-oxypropylene) -aconitat.
- methyl poly (oxyethylene) pent-2-enedioic acid esters Particularly preferred are methyl poly (oxyethylene) pent-2-enedioic acid esters.
- N- [methyl-poly (oxyethylene)] maleic acid halide N- [methyl-poly (oxypropylene)] -maleic acid halide, N- [methyl-poly (oxyethylene-oxypropylene)] maleic acid halide.
- the compound of formula (XIII) is N- [methyl-poly (oxyethylene)] maleic acid halide, N- [methyl-poly (oxypropylene)] -maleic acid halide, N- [methyl-poly (oxyethylene-oxypropylene)] maleic acid halide.
- N- [methyl-poly (oxyethylene)] maleimide N- [methyl-poly (oxypropylene)] maleimide, N- [methyl-poly (oxyethylene-oxypropylene)] maleimide.
- the phosphinic acid of the formula (XII) is alkali metal, alkaline earth metal salts of phosphinic acid or their ammonium salts, in which one or more hydrogen atoms may be replaced by organic groups.
- Such substituted ammonium compounds can be prepared by neutralization of the phosphinic acid with amines or with C-hydroxylated aliphatic amines, in particular mono-, di- or
- Tri-lower alkylamines e.g. Methyl, ethyl or diethylamine, mono-, di- or tri- (hydroxy lower alkyl amines, such as ethanolamine, di- or triethanolamine, tris (hydroxymethyl) methylamine or N- (hydroxy lower alkyl) -N, N-di-lower alkyl amines.
- the phosphinic acid of formula (XII) is sodium phosphinate monohydrate.
- a radical initiator are preferably peroxyacids and / or their
- Salts in particular an ammonium or alkali metal salt of
- Peroxodisulfuric used is particularly preferred. Particularly preferred is as
- Radical initiator used sodium peroxodisulfate comprises the following steps: a) a radical addition reaction of the phosphinic acid of formula (XII) with a compound of formula (XIII) and a radical initiator in one
- the molar ratio of the compound of the formula (XIII) to the phosphinic acid of the formula (XII) is preferably 1: 1 to 1:10, preferably 1: 2 to 1: 6, particularly preferably 1: 2 to 1: 3. This is due to the higher
- the process comprises a solvent which is water or an aqueous solution of a solvent selected from the group consisting of ethanol, methanol and isopropanol, preferably the solvent is water.
- a solvent which is water or an aqueous solution of a solvent selected from the group consisting of ethanol, methanol and isopropanol, preferably the solvent is water.
- Water is preferred for economic and environmental considerations, furthermore the use of water is technically harmless and most salts are well soluble in it.
- Reaction temperature of 50 ° C to 100 ° C, preferably from 60 ° C to 80 ° C is performed
- the step a) at a pH Value of 4 to 8, preferably at a pH of 6 to 8 is performed.
- step b) It is also advantageous to carry out a purification in step b) with an extractant which is selected from the group consisting of ethanol, isopropanol, n-propanol, isobutanol, n-butanol, ethylene glycol monomethyl and ethylene glycol dimethyl ether.
- an extractant which is selected from the group consisting of ethanol, isopropanol, n-propanol, isobutanol, n-butanol, ethylene glycol monomethyl and ethylene glycol dimethyl ether.
- an extractant which is selected from the group consisting of ethanol, isopropanol, n-propanol, isobutanol, n-butanol, ethylene glycol monomethyl and ethylene glycol dimethyl ether.
- Extractant isopropanol isopropanol.
- an aqueous solution of sodium phosphinate is initially introduced in step a) and then, preferably within 60 to 300 minutes, an aqueous solution of a compound of the formula (XIII) having a Y 'of the formula (II) and a W. of the formula (VII) or (VIII) is added dropwise together with the radical initiator.
- the temperature during the reaction in step a) is preferably 60-80 ° C.
- the molar ratio of sodium phosphinate to the compound of the formula (XIII) is preferably 1: 1 to 1:10, particularly preferably 1: 2 to 1: 6.
- the molar ratio of free-radical initiator to the compound of the formula (XIII) is preferably 0.005: 1 to 0.2: 1, particularly preferably 0.01: 1 to 0.05: 1.
- step b) It may also be advantageous to remove the solvent in step b) by evaporating the reaction solution to dryness. Another advantage is a purification of the reaction product on the
- Reaction mixture For this purpose, the residue is stirred for 30-60 min in an extractant in which the reaction product is soluble, leaving after filtration, the inorganic salts as a filter cake. From the filtrate is then obtained by evaporation a crude product of the reaction product.
- the excess phosphinate can be recovered by recycling from the filter cake and made available for reuse.
- the invention relates to the use of a monosubstituted phosphinic acid of formula (I) as preceding
- Phosphinic acid prepared by reacting a phosphinic acid of the formula (XII) with a compound of the formula (XIII), as described above, as a molecular weight regulator in free-radical polymerizations.
- molecular weight regulator as used herein means a compound having high transfer constants used in free-radical polymerizations, molecular weight regulators accelerating chain termination reactions, thereby reducing the degree of polymerization of the resulting polymers without affecting the gross reaction rate.
- the invention relates to a process for the preparation of polymers P by free-radical polymerization of
- monosubstituted phosphinic acid further conventional molecular weight regulator, for example, organic thiols use.
- Inventive molecular weight regulators can be added simultaneously with other reaction components, but also at different times.
- the addition of the molecular weight regulator is preferably carried out continuously in the course of the polymerization reaction or by charging in the reactor.
- the monomers M are selected from the group consisting of:
- Dicarboxylic acids are, for example, acrylic acid, methacrylic acid,
- Dialkylaminoalkylacrylamides and methacrylates are preferred:
- (C-i-C-io) hydroxyalkyl acrylates and methacrylates such as hydroxyethyl acrylate, hydroxypropyl acrylate, hydroxybutyl acrylate, hydroxyethyl methacrylate, hydroxypropyl methacrylate, hydroxyisobut methacrylate
- Preferred vinyl monomers are e.g. Vinyl acetate, vinyl propionate, vinyl laurate, vinyl stearate, vinyl versatate and N-vinylpyrrolidone.
- Preferred vinylaromatic compounds are o- and p-methylstyrene, vinyltoluene and particularly preferably styrene.
- Vinyl ethers of methyl polyalkylene glycols e.g. Methyl poly (oxyethylene) vinyl ether (degree of alkoxylation: 2-24 EO), methyl poly (oxypropylene) vinyl ether (degree of alkoxylation: 2-20 EO) and methyl poly (oxyethyleneoxypropylene) vinyl ether with variable EO: PO ratio.
- N-vinylamide compounds such as e.g. N-vinylformamide, N-vinyl-N-methylformamide, N-vinylacetamide, N-vinyl-N-methylacetamide are used.
- Poly (oxyalkylene) allyl ethers and the methyl-poly (oxyalkylene) allyl ethers which may have different degrees of alkoxylation.
- Examples are poly (oxyethylene) allyl ethers, poly (oxypropylene) allyl ethers, poly (oxyethylene-oxypropylene) allyl ethers having a variable EO: PO ratio, Methyl poly (oxyethylene) allyl ether, methyl poly (oxypropylene) allyl ether and methyl poly (oxyethyleneoxypropylene) allyl ether with variable EO: PO ratio.
- aliphatic hydrocarbons having 2 to 8 carbon atoms and one or two olefinic double bonds are ethylene, propylene, 1-butene, isobutene, and isoprene.
- the radical polymerization can in the
- hydrophobic groups e.g. PO or BuO groups
- molecular weight regulator a hydrophilic solubility behavior, so that these molecular weight regulators are preferably used for solution polymerizations in aqueous media.
- the free-radical polymerization is carried out in the presence of at least one organic solvent and the monosubstituted phosphinic acid accounts for> 70% by weight, preferably> 80% by weight, of oxypropyl groups (PO) or oxybutyl groups (BO), based on the molecular weight of the monosubstituted phosphinic acid, wherein the proportion of the organic solvent is 5 - 90 wt .-%, preferably 5 - 50 wt .-%, based on the total weight of the solvent.
- PO oxypropyl groups
- BO oxybutyl groups
- organic solvents in the present document means compounds as listed as organic solvents in CD Römpp Chemie Lexikon, 9th edition, version 1 .0, Georg Thieme Verlag, Stuttgart 1995.
- Phosphinic acid has a content of> 50 wt .-%, preferably> 70 wt .-%, particularly preferably> 80 wt .-%, ethylene groups (EO), based on the molecular weight of the monosubstituted phosphinic acid, wherein the proportion of water 50-100 Wt .-%, based on the total weight of the solvent.
- EO ethylene groups
- Peroxodisulfates such as sodium, potassium or ammonium peroxodisulfate; 2,2'-azobis-isobutyronitrile;
- hydroperoxides such as hydrogen peroxide, t-butyl hydroperoxide, cumene hydroperoxide, taken alone or together with redox initiators, for example sodium bisulfite, sodium sulfite, Ascorbic acid, isoascorbic acid and sodium formaldehyde sulfoxylate can be applied.
- radio initiator is understood in the present document to mean a compound as described as an initiator in CD Römpp Chemie Lexikon, 9th edition, version 1 .0, Georg Thieme Verlag, Stuttgart 1995, which are suitable for free-radical polymerizations.
- the radical initiator in a ratio of 0.05 to 20% by weight, preferably 0.01 to 10 wt .-%, particularly preferably in the ratio of 0.1 to 2 wt .-%, based on the total weight of the monomers M used.
- Peroxodisulfates such as sodium, potassium or ammonium peroxodisulfate, but also 2,2'-azobis-isobutyronitrile or redox systems based on
- Hydroperoxides such as hydrogen peroxide, t-butyl hydroperoxide,
- Cumene hydroperoxide used alone or together with redox initiators such as sodium bisulfite, sodium sulfite, ascorbic acid, isoascorbic acid and sodium formaldehyde sulfoxylate.
- the radical initiator can be added to the reactor in various ways in the course of free-radical polymerization. It can be added continuously or in stages both completely into the polymerization vessel and also as consumed in the course of the polymerization. In particular, this depends on the polymerization temperature as well as on the chemical properties of the initiator system.
- a small portion of the initiator is usually initially charged and the remainder supplied to the polymerization mixture in accordance with the consumption. It is often advisable to carry out the polymerization reaction in such a way that initially 40-50% by weight of the free-radical initiator is continuously over a longer period of time and subsequently 50-60% by weight of the free radical initiator continuously fed to the polymerization reactor over a shorter period of time.
- the polymerization temperatures depend on the decay constant and are usually in the range of 50-120 ° C, preferably 60-80 ° C, more preferably 80-100 ° C.
- the mol% ratio of monosubstituted phosphinic acid or its salt to monomers M used in the free-radical polymerization is preferably 0.1 to 20, preferably 1 to 5, based on the total molar amount of radical used in the free-radical polymerization
- the free-radical initiator is preferably used in the ratio 0.001 to 10% by weight, preferably 0.05 to 5% by weight, particularly preferably in the ratio of 0.1 to 2% by weight, based on the total weight of the monomers M.
- the dosage of the molecular weight regulator via modes of operation in which the
- the polymers P prepared by the free-radical polymerization, have a molecular weight of 500-200 ⁇ 00 g / mol, preferably 2 ⁇ 00-50 ⁇ 00 g / mol.
- the invention relates to a polymer of the formula
- R 7 is in a proportion of> 80 wt .-%
- the infrared spectra were recorded on a Perkin FT-IR 1600 device.
- H-NMR spectra were measured on a Bruker DPX-300 spectrometer at 300.13 MHz; the chemical shifts ⁇ are given in ppm.
- the coupling patterns (t, m) were given, even if they are just pseudo-coupling patterns.
- 3 P-NMR spectra were measured on a Bruker DPX-300 spectrometer at 300.13 MHz using CDCl 3 as solvent.
- the viscosity was measured on a rotary viscometer from Mettler Toledo of the type RM 180 (measuring system 1 1, cylinder 1, density 1 .1, interval 100, rotation 100 rpm).
- the dried filtrate was filtered through a fluted filter and added to
- the strongly hygroscopic crude product was dried under high vacuum for two hours and then dissolved in 150 g of isopropanol and filtered through a 10 ⁇ m filter. The filtrate was evaporated to dryness and the colorless residue dried overnight in a high vacuum. There were obtained 109.1 g (81 .2%) of a colorless, waxy, chromatographic (UPLC) pure product.
- UPLC chromatographic
- Rotary evaporator evaporated to dryness. The residue was taken up in 800 g of isopropanol and this slurry was stirred for 30 minutes at room temperature and then filtered through a suction filter. Of the
- the highly hygroscopic crude product was dried for two hours under high vacuum and then in 200 g of isopropanol dissolved and filtered through a 10 m filter. The filtrate was evaporated to dryness and the colorless residue dried overnight in a high vacuum. There were 171 g (72%) of a colorless, waxy,
- thermometer In a glass reactor with mechanical stirrer, thermometer and
- Dropping funnels were charged with 106 g (1 mol) of sodium hypophosphite monohydrate dissolved in 300 g of water and heated to 75.degree.
- a solution of 420 g (about 0.2 mol) of poly (oxyethyleneoxypropylene) allyl methyl ether (degree of alkoxylation: about 20 EO and 20 PO) and 1 .2 g of sodium peroxodisulfate were then added to this solution at 75 ° -76 ° C. within 160 minutes 800 g of water / ethanol (1: 1) was added dropwise. Subsequently, the reaction was continued for a further 60 minutes at 75 ° C. until no allyl methyl ether could be detected by liquid chromatography.
- reaction solution was evaporated to dryness on a rotary evaporator.
- the residue was taken up in 900 g of isopropanol and this slurry was stirred for 30 minutes at room temperature and then filtered through a suction filter.
- the filter cake consisting for the most part of excess sodium hypophosphite, was then washed with 300 ml of isopropanol and the combined filtrates dried over 120 g of anhydrous sodium sulfate.
- the dried filtrate was filtered through a fluted filter and evaporated to dryness. 386 g of crude product were obtained.
- the strongly hygroscopic crude product was dried under high vacuum for two hours and then dissolved in 150 g of isopropanol and filtered through a 10 ⁇ m filter. The filtrate was evaporated to dryness and the colorless residue dried overnight in a high vacuum. There were 167.1 g (71%) of a colorless, waxy,
- thermometer In a glass reactor with mechanical stirrer, thermometer and
- Dropping funnels were charged with 212 g (2 mol) of sodium hypophosphite monohydrate dissolved in 600 g of water and heated to 70.degree. To this solution was then at 70-72 ° C within 90 minutes, a solution of 200 g (ca. 0.4 mol) of poly (oxyethylene) -1, 4-dioxybutylenvinylether of molecular weight about 500 g / mol and 2 g (0.008 mol) of sodium peroxodisulfate in 100 g of water was added dropwise.
- the strongly hygroscopic crude product was dried under high vacuum for two hours and then dissolved in 150 g of isopropanol and filtered through a 10 ⁇ m filter. The filtrate was evaporated to dryness and the colorless residue was dried overnight under high vacuum. There were 174 g (74%) of a colorless, waxy,
- thermometer In a glass reactor with mechanical stirrer, thermometer and
- the strongly hygroscopic crude product was dried under high vacuum for two hours and then dissolved in 150 g of isopropanol and filtered through a 10 ⁇ m filter. The filtrate was evaporated to dryness and the colorless residue dried overnight in a high vacuum. There were obtained 189.1 g (77%) of a colorless, waxy, hygroscopic product which still contained about 1 .5% unreacted maleic acid ester, which could be detected by UPLC.
- solutions of polymers composed of the same monomers in the same concentration can be compared directly by measuring the viscosity.
- the comparison allows a qualitative statement about the degree of polymerization of the polymers and thus about the effectiveness of the regulator used.
- a copolymer was prepared analogously to Example 9 with the difference that an equimolar amount of sodium phosphite was used instead of the molecular weight regulator according to the invention.
- addition A is added to feed 1 and mixed.
- addition B was added to the stirred receiver and at the same time the addition of A containing feed 1 was added dropwise in 6.5 minutes to the template. The temperature rose from 21, 3 to 30, 1 ° C and after 13 minutes, a maximum temperature of 31, 7 ° C was reached. Now it was stirred for 15 minutes until no more peroxide could be detected. A clear polymer solution having a solids content of 37.9% was obtained. After dilution of the polymer solution to a solids content of 10%, a viscosity of 23 mPa.s was measured.
- Example 13 (Comparative Example 3)
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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Abstract
Description
Claims
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013520125A JP6235338B2 (ja) | 2010-07-21 | 2011-07-19 | 調整剤分子 |
| BR112013001216A BR112013001216A2 (pt) | 2010-07-21 | 2011-07-19 | molécula reguladora |
| AU2011281660A AU2011281660B2 (en) | 2010-07-21 | 2011-07-19 | Regulator molecule |
| US13/806,218 US9115157B2 (en) | 2010-07-21 | 2011-07-19 | Regulator molecule |
| CN201180034545.9A CN103025810B (zh) | 2010-07-21 | 2011-07-19 | 调节剂分子 |
| KR20137000318A KR20130139828A (ko) | 2010-07-21 | 2011-07-19 | 조절제 분자 |
| RU2012154829/05A RU2578320C2 (ru) | 2010-07-21 | 2011-07-19 | Регулирующая молекула |
| MX2013000504A MX2013000504A (es) | 2010-07-21 | 2011-07-19 | Molecula reguladora. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10170324.7 | 2010-07-21 | ||
| EP20100170324 EP2410009B1 (de) | 2010-07-21 | 2010-07-21 | Reglermolekül |
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| Publication Number | Publication Date |
|---|---|
| WO2012010594A1 true WO2012010594A1 (de) | 2012-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/EP2011/062345 Ceased WO2012010594A1 (de) | 2010-07-21 | 2011-07-19 | Reglermolekül |
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| Country | Link |
|---|---|
| US (1) | US9115157B2 (de) |
| EP (1) | EP2410009B1 (de) |
| JP (1) | JP6235338B2 (de) |
| KR (1) | KR20130139828A (de) |
| CN (1) | CN103025810B (de) |
| AU (1) | AU2011281660B2 (de) |
| BR (1) | BR112013001216A2 (de) |
| CO (1) | CO6680647A2 (de) |
| ES (1) | ES2403484T3 (de) |
| MX (1) | MX2013000504A (de) |
| RU (1) | RU2578320C2 (de) |
| WO (1) | WO2012010594A1 (de) |
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| ES2458557T3 (es) * | 2011-10-03 | 2014-05-06 | Sika Technology Ag | Agente dispersante para suspensiones sólidas |
| CN110643001B (zh) * | 2018-06-26 | 2021-01-15 | 科之杰新材料集团有限公司 | 一种粉体聚羧酸减水剂的制备方法 |
| CN110642989B (zh) * | 2018-06-26 | 2021-01-15 | 科之杰新材料集团有限公司 | 一种微交联粉体聚羧酸减水剂的制备方法 |
| CN110643002B (zh) * | 2018-06-26 | 2021-10-15 | 科之杰新材料集团有限公司 | 一种粉态聚羧酸减水剂的制备方法 |
| CN110643004B (zh) * | 2018-06-26 | 2021-10-15 | 科之杰新材料集团有限公司 | 一种粉状聚羧酸减水剂的制备方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1731559A1 (de) * | 2005-06-08 | 2006-12-13 | Degussa AG | Brandgeschützte Polyamidformmasse |
| US20090080079A1 (en) * | 2005-06-08 | 2009-03-26 | Idemitsu Kosan Co., Ltd. | Light diffusive polycarbonate resin composition and light diffusive plate using said resin composition |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256746A (en) * | 1991-04-25 | 1993-10-26 | Rohm And Haas Company | Low molecular weight monoalkyl substituted phosphinate and phosphonate copolymers |
| US5459007A (en) * | 1994-05-26 | 1995-10-17 | Xerox Corporation | Liquid developer compositions with block copolymers |
| JPH09249514A (ja) * | 1996-03-13 | 1997-09-22 | G C:Kk | 歯科用レジン強化型セメント用前処理剤 |
| DE60114160D1 (de) * | 2000-03-13 | 2006-03-02 | Akzo Nobel Coatings Int Bv | Zusammensetzung enthaltend eine isocyanat-funktionelle verbindung, eine isocyanat-reaktive verbindung und einen cokatalysator |
| FR2843121B3 (fr) * | 2002-08-02 | 2004-09-10 | Rhodia Chimie Sa | Agent ignifugeant, procede de preparation et l'utilisation de cet agent |
| US7208554B2 (en) * | 2004-04-07 | 2007-04-24 | Rhodia Inc. | Polyoxyalkylene phosphonates and improved process for their synthesis |
| US7494985B2 (en) | 2004-11-03 | 2009-02-24 | Xenoport, Inc. | Acyloxyalkyl carbamate prodrugs, methods of synthesis, and use |
| JP4864654B2 (ja) * | 2006-11-14 | 2012-02-01 | 富士フイルム株式会社 | 光硬化性組成物、それを用いたカラーフィルタ及びその製造方法 |
-
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- 2010-07-21 ES ES10170324T patent/ES2403484T3/es active Active
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- 2011-07-19 WO PCT/EP2011/062345 patent/WO2012010594A1/de not_active Ceased
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- 2011-07-19 JP JP2013520125A patent/JP6235338B2/ja not_active Expired - Fee Related
- 2011-07-19 KR KR20137000318A patent/KR20130139828A/ko not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1731559A1 (de) * | 2005-06-08 | 2006-12-13 | Degussa AG | Brandgeschützte Polyamidformmasse |
| US20090080079A1 (en) * | 2005-06-08 | 2009-03-26 | Idemitsu Kosan Co., Ltd. | Light diffusive polycarbonate resin composition and light diffusive plate using said resin composition |
Non-Patent Citations (1)
| Title |
|---|
| "CD Römpp Chemie Lexikon", 1995, GEORG THIEME VERLAG |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103025810A (zh) | 2013-04-03 |
| JP6235338B2 (ja) | 2017-11-22 |
| EP2410009A1 (de) | 2012-01-25 |
| RU2578320C2 (ru) | 2016-03-27 |
| RU2012154829A (ru) | 2014-08-27 |
| CN103025810B (zh) | 2014-08-13 |
| ES2403484T3 (es) | 2013-05-20 |
| EP2410009B1 (de) | 2013-03-06 |
| MX2013000504A (es) | 2013-02-27 |
| AU2011281660A1 (en) | 2013-01-31 |
| KR20130139828A (ko) | 2013-12-23 |
| US20130109819A1 (en) | 2013-05-02 |
| JP2013537524A (ja) | 2013-10-03 |
| BR112013001216A2 (pt) | 2016-06-07 |
| CO6680647A2 (es) | 2013-05-31 |
| US9115157B2 (en) | 2015-08-25 |
| AU2011281660B2 (en) | 2014-09-04 |
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