EP2758159A1 - Verfahren zur herstellung einer dispersion und verwendung von proteinhydrolysaten als dispergatoren - Google Patents
Verfahren zur herstellung einer dispersion und verwendung von proteinhydrolysaten als dispergatorenInfo
- Publication number
- EP2758159A1 EP2758159A1 EP12759718.5A EP12759718A EP2758159A1 EP 2758159 A1 EP2758159 A1 EP 2758159A1 EP 12759718 A EP12759718 A EP 12759718A EP 2758159 A1 EP2758159 A1 EP 2758159A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dispersant
- hydrolyzate
- dispersion
- protein
- protein hydrolyzate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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Classifications
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- C—CHEMISTRY; METALLURGY
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0033—Blends of pigments; Mixtured crystals; Solid solutions
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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- C09D17/00—Pigment pastes, e.g. for mixing in paints
- C09D17/004—Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
- C09D17/007—Metal oxide
- C09D17/008—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/32—Protein hydrolysates; Fatty acid condensates thereof
Definitions
- the present invention relates to a process for preparing a dispersion and to the use of a protein hydrolyzate as dispersant or dispersant.
- the invention relates to a process for preparing a suspension and to the use of a protein hydrolyzate as a dispersant in a suspension.
- Dispersions play an important role in a wide variety of technical fields.
- the dispersion generally refers to heterogeneous mixtures of otherwise non-dissolvable substances. These can be both mixtures of substances of the same physical state, as well as mixtures of substances of different physical states.
- the material to be distributed in a medium is referred to as a dispersed or disperse phase during which the medium in which the disperse phase is to be distributed is referred to as a dispersant or dispersant.
- a mixture solid / solid
- a suspension solid / liquid
- an emulsion liquid / liquid
- Other forms of dispersion are foams (gas / liquid) and aerosols (liquid / gas).
- Dispersion can also be distinguished with regard to the particle size of the disperse phase.
- a particle size of the disperse phase ⁇ lnm one speaks of a mole OD 41694 / UAM kular disperse dissolved phase, with a particle size between lnm and ⁇ generally of a colloidally dissolved phase and with a particle size of> ⁇ of a coarsely disperse dissolved phase.
- a technically important form of the dispersions are the suspensions, ie the mixtures of solids in liquids.
- the liquids may be both aqueous systems and hydrophobic substances such as oils. Examples of technically used suspensions are wall or top coats.
- suspensions are used, for example, in flotation, as used in the field of ore or coal processing or papermaking. Also in the field of detergent technology suspensions play a crucial role, since here dirt particles of the tissue to be cleaned must be transferred to the wash liquor.
- surfactants are used as dispersants for the preparation of dispersions.
- Tensides have the property of lowering the interfacial tension between two different phases in a system. This property is evoked by the fact that surfactants have hydrophilic and hydrophobic regions in their molecular structure. While, for example, in an aqueous dispersion, the hydrophilic regions of the surfactant align with the aqueous phase, the hydrophobic regions align with the disperse phase, for example a solid.
- the interfacial tension prevailing between the immiscible phases is reduced to such an extent that a corresponding distribution of the disperse phase in the dispersion medium is made possible.
- surfactants have in their molecular structure on a polar, hydrophilic part and a nonpolar hydrophobic part. Depending on the charge of the polar portion of the molecular structure, a distinction is made between nonionic, anionic, cationic and amphoteric surfactants.
- Another class of compounds that is used as a surface-active dispersant are the poloxamers. Poloxamers are block copolymers of ethylene oxide and propylene oxide which have hydrophilic and hydrophobic regions. The ethylene oxide units form the hydrophilic part, while the propylene oxide units form the hydrophobic part, resulting in the amphiphilic properties.
- the poloxamers are low-foaming and foam-damping nonionic surfactants which are used for dispersion and emulsification in the chemical-technical industry.
- a disadvantage of the poloxamers in particular is that they often have only a very limited biodegradability.
- protein hydrolysates are suitable as dispersants for the preparation of dispersions.
- Proteins serve as a material carrier of life and can be found among others as contractile proteins in muscles, collagen fibers in tendons and connective tissue, keratins in skin and hair or feathers. As a raw material base, they are available in very large quantities and can be converted by hydrolysis into protein hydrolysates.
- Proteins themselves are made up of amino acids, which are linked to form chains via peptide bonds.
- the chains thus formed orient themselves over hydrogen bonds. bonds in their secondary structure in helices, ⁇ -sheets, ⁇ -loops, or random-coil structures, which in turn are oriented in their tertiary structure via disulfide bridges.
- the hitherto known proteinogenic amino acids from which proteins are formed have the following general basic structure:
- All protein amino acids are oc-amino acids, i. they carry an amino group in ⁇ -position to the carboxyl group.
- the individual amino acids differ in their residues R.
- the amino acids can be divided into 4 groups: - Amino acids with nonpolar side groups. These include glycine, alanine, valine, leucine, isoleucine, methionine, phenylalanine, tryptophan and proline.
- a corresponding protein hydrolyzate has a surfactant character with hydrophilic and hydrophobic areas, similar to the surfactant-like poloxamers having. Similar to surfactant systems, protein hydrolyzates are able to reduce the surface tension of a liquid or the interfacial tension between two phases and to facilitate or assist the formation of dispersions.
- the individual hydrolyzate molecules are arranged at a critical concentration and form aggregates of micelles within the water.
- the critical micelle formation concentration can be uniquely determined.
- Protein hydrolyzates with a surface-active structure similar to those of the block copolymers are in contrast to these rapidly biodegradable and can be produced with little energy from renewable natural resources.
- the use of the method according to the invention thus results in both economic and clear ecological advantages.
- water, an aqueous solution or a hydrophobic solvent is provided as the dispersion medium.
- Aqueous solution in the sense of this invention means a system with a predominant proportion of water. This may include aqueous emulsions.
- Hydrophobic solvents in the context of the invention are, for example, lipids in general, higher alcohols and nonpolar organic solvents. In particular, for the purposes of the invention, hydrophobic solvents also include oils and fats, such as, for example, mono-, di- or triglycerides.
- the disperse phase is a solid or a liquid which is immiscible in the dispersant provided. ge phase provided.
- the inventive method is suitable to prepare both suspensions, and emulsions.
- the particle size of the disperse phase can be according to the invention between 1 nm and 1 mm.
- a hydrolyzate of a protein having a successive sequence of amino acids with polar and nonpolar side groups is provided as protein hydrolyzate.
- a keratin hydrolyzate is provided as a dispersant.
- keratin hydrolysates show sequences of amino acids having a structure similar to the poloxamers.
- the dispersant can in the process according to the invention in a concentration between> 1 wt .-% and ⁇ 50 wt .-, preferably between> 3 wt .- and ⁇ 35 wt .-, more preferably between> 5 wt .- and ⁇ 25 wt .- be used.
- the invention relates to the use of protein hydrolysates as a dispersant, wetting agent, flotation agent and / or as a washing-active ingredient in a detergent.
- protein hydrolysates can also be used as wetting agents, flotation agents and / or as detergent components in detergents on account of their surfactant properties.
- the use of the described protein hydrolysates as detergent components in detergents gives rise to immense ecological but also economic advantages.
- the protein underlying the protein hydrolyzate preferably has a successive sequence of amino acids with polar and nonpolar side groups.
- protein hydrolysates Due to the high bioavailability of proteins such as keratin, corresponding protein hydrolysates can be made available in large quantities at very reasonable prices. In addition, protein hydrolysates are completely biodegradable and thus do not pose an environmental burden.
- the protein hydrolyzate as a dispersant in a pigment-containing dispersion, preferably in a dispersion paint or a
- Dispersion varnish or an oil-based pigment-containing dispersion such as a sunscreen cream to use.
- the protein hydrolyzate may be used as a wetting agent in a composition for cleaning, e.g. used by vehicle rims.
- a wetting agent with excellent dispersing properties in order to achieve a sufficient cleaning effect.
- many substances that are of environmental concern and often irritating to the skin such as phosphoric acid, have been used to loosen the dirt adhering to the rims.
- the phosphoric acid may also cause damage, for example, to alloy wheels due to chemical reactions between the acid and the rim material. It has been shown that protein hydrolysates, in particular
- Keratinhydrolysate are able to ensure a sufficient cleaning effect even in basic, far less aggressive compositions.
- a protein hydrolyzate such as a keratin hydrolyzate can be used advantageously.
- large amounts of surfactants are used to produce the desired ores / coals clean up and separate from the dead stone. This is done especially at the place of ore extraction, which is often in developing countries.
- Protein hydrolysates and, in particular, keratin hydrolysates offer the advantage here that they are completely biodegradable and thus the danger of drinking water contamination can be reduced.
- slaughterhouse waste such as feathers, such as are produced in very large quantities in poultry processing
- corresponding protein hydrolysates can serve as starting material for the provision of corresponding protein hydrolysates.
- These can be converted by suitable hydrolysis processes into the corresponding hydrolyzate, which can then be provided as a solution or in freeze-dried form.
- titanium dioxide powder (UV titanium M262, Sachtleben GmbH) is added to an aqueous solution of a keratin hydrolyzate having a hydrolyzate content of 25% by weight.
- the ratio of aqueous keratin hydrolyzate solution to titanium dioxide powder is 60% by weight to 40% by weight.
- the resulting mixture is homogenized with a dissolver disc or a wire stirrer as a stirring tool at a rotational speed between 2 and 10 m / s.
- a stable titanium dioxide dispersion is obtained.
- a freeze-dried pulverulent keratin hydrolyzate in a ratio by weight of 1/10 is added to a caprylic acid / capric acid triglyceride mixture (Rofetan GTCC, Univar GmbH).
- the phase thus obtained is added to a titanium dioxide powder (UV titanium M262, Sachtleben GmbH).
- the resulting mixture is homogenized with a dissolver disc or a wire stirrer as a stirring tool at a rotational speed between 2 and 10 m / s and it is added with continued homogenization 5 parts by weight of water.
- a stable oil-based titanium dioxide dispersion is obtained.
- UV-Titan M161 Sachtleben GmbH Titanium Dioxide, Alumina, Stearic 40,00
- Zinc oxide powder (Z-Cote, BASF AG) is added at room temperature to an aqueous solution of a keratin hydrolyzate having a hydrolyzate content of 25% by weight.
- the ratio of aqueous keratin hydrolyzate solution to zinc oxide powder is 60% by weight to 44% by weight.
- the resulting mixture is homogenized with a dissolver disc or a wire stirrer as a stirring tool at a rotational speed between 4 and 8 m / s.
- a stable zinc oxide dispersion is obtained.
- Zinc oxide powder (Z-Cote MAX, BASF AG) is added at room temperature to an aqueous solution of a keratin hydrolyzate having a hydrolyzate content of 25% by weight.
- the ratio of aqueous keratin hydrolyzate solution to zinc oxide powder is 60% by weight to 40% by weight.
- the resulting mixture is homogenized with a dissolver disc or a wire stirrer as a stirring tool at a rotational speed between 4 and 8 m / s.
- a stable zinc oxide dispersion is obtained.
- 30% by weight of an aqueous keratin hydrolyzate having a hydrolyzate content of 25% by weight are mixed with 10% by weight of 1,3-butanediol, 10% by weight of a carylyl / capric glucoside, 1% by weight of sodium hydrogensulfide, 1% by weight of potassium hydroxide and 48 wt.
- the resulting mixture showed excellent cleaning action against common oil and Teerverschmutzache.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Cosmetics (AREA)
- Colloid Chemistry (AREA)
- Peptides Or Proteins (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Detergent Compositions (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011053829A DE102011053829A1 (de) | 2011-09-21 | 2011-09-21 | Verfahren zur Herstellung einer Dispersion und Verwendung von Proteinhydrolysaten als Dispergatoren |
PCT/EP2012/068260 WO2013041492A1 (de) | 2011-09-21 | 2012-09-17 | Verfahren zur herstellung einer dispersion und verwendung von proteinhydrolysaten als dispergatoren |
Publications (1)
Publication Number | Publication Date |
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EP2758159A1 true EP2758159A1 (de) | 2014-07-30 |
Family
ID=46875807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP12759718.5A Withdrawn EP2758159A1 (de) | 2011-09-21 | 2012-09-17 | Verfahren zur herstellung einer dispersion und verwendung von proteinhydrolysaten als dispergatoren |
Country Status (9)
Country | Link |
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US (1) | US20140225021A1 (de) |
EP (1) | EP2758159A1 (de) |
JP (1) | JP6023925B2 (de) |
KR (1) | KR20140057655A (de) |
CN (1) | CN103889565B (de) |
BR (1) | BR112014006654A2 (de) |
CA (1) | CA2849036C (de) |
DE (1) | DE102011053829A1 (de) |
WO (1) | WO2013041492A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2644186A1 (de) | 2012-03-26 | 2013-10-02 | OTC GmbH | Haarspülungszusammensetzung für dauerhafte und halbdauerhafte Haarfärbeanwendungen |
CN104762143A (zh) * | 2015-03-23 | 2015-07-08 | 苏州谷力生物科技有限公司 | 一种餐具洗涤剂及其制备方法 |
CN105586178B (zh) * | 2016-01-25 | 2018-09-11 | 王家高 | 一种无毒餐洗净及其制造方法 |
CN109233641A (zh) * | 2017-06-13 | 2019-01-18 | 上海三银涂料科技股份有限公司 | 超耐擦拭耐污渍的水性多彩建筑涂料及其制备方法 |
CN113477405B (zh) * | 2021-05-24 | 2022-05-27 | 长沙矿冶研究院有限责任公司 | 闪锌矿与铁闪锌矿的选矿活化剂及铁精矿浮选降锌的方法 |
WO2024133323A1 (en) * | 2022-12-19 | 2024-06-27 | Croda International Plc | Hydrolysed protein dispersants |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
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SU535339A1 (ru) * | 1973-04-10 | 1976-11-15 | Волгоградский Химический Завод Им. С.М.Кирова | Моющее средство дл очистки лакокрасочной и полимерной поверхности |
JPS5785308A (en) * | 1980-11-17 | 1982-05-28 | Kao Corp | Hair rinse composition |
RO101787A2 (ro) * | 1988-08-06 | 1991-12-09 | Intreprinderea De Piele, Marochinarie Si Incaltaminte "13 Decembrie", Sibiu, Ro | Agent de degresare pentru industria pielariei |
JP3649341B2 (ja) * | 1990-06-15 | 2005-05-18 | 株式会社資生堂 | 複合体及び複合体の組成物及び乳化剤組成物並びに乳化組成物 |
JPH05311105A (ja) * | 1992-04-30 | 1993-11-22 | Pentel Kk | 水性顔料組成物 |
JPH06107997A (ja) * | 1992-09-29 | 1994-04-19 | Pentel Kk | 水性インキ組成物 |
DE4433071C1 (de) * | 1994-09-16 | 1995-12-21 | Henkel Kgaa | Milde Detergensgemische |
DE19822603A1 (de) * | 1998-05-20 | 1999-11-25 | Goldschmidt Ag Th | Pigmentpasten enthaltend hydrophob modifizierte Polyasparaginsäurederivate |
DE20019871U1 (de) * | 2000-11-23 | 2002-03-28 | Goldwell GmbH, 64297 Darmstadt | Haarbehandlungsmittel |
JP2002235095A (ja) * | 2001-02-13 | 2002-08-23 | Wilson:Kk | 防汚性能を有する硬質表面用洗浄剤組成物 |
JP2004113976A (ja) * | 2002-09-27 | 2004-04-15 | Toyo Ink Mfg Co Ltd | 土壌浄化剤及び土壌浄化方法 |
US7129201B2 (en) * | 2003-08-18 | 2006-10-31 | Unilever Home & Personal Care Usa, Division Of Conopco, Inc. | Aqueous-aqueous emulsions comprising a dispersed phase and a continuous surfactant phase with rod-like surfactants |
DE102005031467A1 (de) * | 2005-07-04 | 2007-01-25 | Basf Ag | Emulgatorsystem, Emulsion und deren Verwendung |
CN1935253B (zh) * | 2005-09-19 | 2010-11-24 | 广东合鑫医药有限公司 | 脑蛋白水解物分散片及其制备方法 |
DE102010001193A1 (de) * | 2010-01-25 | 2011-07-28 | Dahms, Gerd, 47138 | Neue Tensidzusammensetzungen |
-
2011
- 2011-09-21 DE DE102011053829A patent/DE102011053829A1/de not_active Withdrawn
-
2012
- 2012-09-17 US US14/345,868 patent/US20140225021A1/en not_active Abandoned
- 2012-09-17 WO PCT/EP2012/068260 patent/WO2013041492A1/de active Application Filing
- 2012-09-17 CN CN201280048944.5A patent/CN103889565B/zh not_active Expired - Fee Related
- 2012-09-17 BR BR112014006654A patent/BR112014006654A2/pt not_active Application Discontinuation
- 2012-09-17 JP JP2014531192A patent/JP6023925B2/ja not_active Expired - Fee Related
- 2012-09-17 KR KR1020147009023A patent/KR20140057655A/ko not_active Application Discontinuation
- 2012-09-17 CA CA2849036A patent/CA2849036C/en not_active Expired - Fee Related
- 2012-09-17 EP EP12759718.5A patent/EP2758159A1/de not_active Withdrawn
Non-Patent Citations (2)
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None * |
See also references of WO2013041492A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102011053829A1 (de) | 2013-03-21 |
CA2849036A1 (en) | 2013-03-28 |
US20140225021A1 (en) | 2014-08-14 |
BR112014006654A2 (pt) | 2017-04-04 |
JP2014526592A (ja) | 2014-10-06 |
KR20140057655A (ko) | 2014-05-13 |
CN103889565B (zh) | 2017-08-08 |
CN103889565A (zh) | 2014-06-25 |
JP6023925B2 (ja) | 2016-11-09 |
WO2013041492A1 (de) | 2013-03-28 |
CA2849036C (en) | 2017-01-24 |
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