WO2015003407A1 - 一种有机硅组合物、制备方法及应用 - Google Patents
一种有机硅组合物、制备方法及应用 Download PDFInfo
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- WO2015003407A1 WO2015003407A1 PCT/CN2013/079663 CN2013079663W WO2015003407A1 WO 2015003407 A1 WO2015003407 A1 WO 2015003407A1 CN 2013079663 W CN2013079663 W CN 2013079663W WO 2015003407 A1 WO2015003407 A1 WO 2015003407A1
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- Prior art keywords
- silicone
- silicone composition
- viscosity
- integer
- mpa
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- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical class CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
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- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229940069096 dodecene Drugs 0.000 description 1
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- RSIHJDGMBDPTIM-UHFFFAOYSA-N ethoxy(trimethyl)silane Chemical compound CCO[Si](C)(C)C RSIHJDGMBDPTIM-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- VAMFXQBUQXONLZ-UHFFFAOYSA-N icos-1-ene Chemical compound CCCCCCCCCCCCCCCCCCC=C VAMFXQBUQXONLZ-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 229920000847 nonoxynol Polymers 0.000 description 1
- 229920002113 octoxynol Polymers 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 description 1
- 239000000429 sodium aluminium silicate Substances 0.000 description 1
- 235000012217 sodium aluminium silicate Nutrition 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 235000019351 sodium silicates Nutrition 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 229940100515 sorbitan Drugs 0.000 description 1
- 229940035044 sorbitan monolaurate Drugs 0.000 description 1
- 239000001593 sorbitan monooleate Substances 0.000 description 1
- 235000011069 sorbitan monooleate Nutrition 0.000 description 1
- 229940035049 sorbitan monooleate Drugs 0.000 description 1
- 239000001570 sorbitan monopalmitate Substances 0.000 description 1
- 235000011071 sorbitan monopalmitate Nutrition 0.000 description 1
- 229940031953 sorbitan monopalmitate Drugs 0.000 description 1
- 239000001587 sorbitan monostearate Substances 0.000 description 1
- 235000011076 sorbitan monostearate Nutrition 0.000 description 1
- 229940035048 sorbitan monostearate Drugs 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical group 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 125000005389 trialkylsiloxy group Chemical group 0.000 description 1
- 239000005051 trimethylchlorosilane Substances 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
- B01D19/04—Foam dispersion or prevention by addition of chemical substances
- B01D19/0404—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance
- B01D19/0409—Foam dispersion or prevention by addition of chemical substances characterised by the nature of the chemical substance compounds containing Si-atoms
-
- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/12—Polysiloxanes containing silicon bound to hydrogen
-
- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
-
- C—CHEMISTRY; METALLURGY
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- C—CHEMISTRY; METALLURGY
- 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
- C08K5/56—Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
Definitions
- the invention relates to the technical field of fine chemical preparations, in particular to a silicone composition, a preparation method thereof and application thereof in preparing a solid antifoaming agent or an antifoaming agent.
- Bubbles are a common phenomenon in life and work.
- many aqueous systems used in food processing, textile dyeing, paper production, sewage treatment, and cleaning applications it is desirable to control or prevent the generation of foam.
- the detergent industry there is a tendency to use more efficient detergent compositions. Increasing the surfactant level and using a surfactant having a higher bubble distribution than conventional surfactants results in more foaming. There is therefore a need to develop a less effective and more effective foam control composition for addition to a detergent composition.
- the silicone composition is the core of the defoamer, and its defoaming speed and antifoaming properties directly affect the performance of the final product.
- the improvement in the antifoaming properties of the actives is an improved direction of silicone defoamers.
- the most original silicone antifoam actives are obtained by treatment of polydimethylsiloxane and silica by a specific processing process, such as the antifoam composition described in U.S. Patent 3,383,327, but It can last for a long time, that is, it has poor foam inhibition performance. Therefore, researchers at home and abroad have conducted extensive research on their performance.
- a polyorganosiloxane synthetic antifoaming agent having a long-chain alkyl group as a side chain is very effective for use in a washing powder.
- EP-A-1075683 discloses a bubble control.
- An organopolysiloxane material comprising (A) at least one silicon-bonded substituent of the formula X-Ph, wherein X represents a divalent aliphatic hydrocarbon group and Ph represents an aryl group, (B) a water-insoluble organic liquid, (C) a silicone resin and (D) a hydrophobic filler.
- the water-insoluble organic liquid (B) may be mineral oil, liquid polyisobutadiene, isoparaffin oil or vegetable oil.
- EP-A-1075684 discloses a similar composition of a foam control agent. The difference is that it does not contain a water-insoluble organic liquid (B).
- EP-A-578424 discloses a foam control agent comprising a polydiorganosiloxane having a side chain of an alkyl group in which each alkyl side chain contains 9 to 35 carbons. atom. The polydiorganosiloxane is used with a fine hydrophobic particulate material such as hydrophobic silica and optionally MQ silicone resin.
- EP-A-1076526 discloses such a foam control composition additionally comprising a stabilizing aid which is an organic compound having a melting point of 40 to 80 ° C, preferably a fatty acid, a fatty alcohol or an alkyl phosphate.
- a stabilizing aid which is an organic compound having a melting point of 40 to 80 ° C, preferably a fatty acid, a fatty alcohol or an alkyl phosphate.
- a similar composition of the foam control agent is disclosed in US Pat. No. 5,048, 306, A, CN1, 674, 967 A, WO 101048212 A, and WO 2012/075962 A1. The difference is that CN1674967A contains a non-polar organic material with a melting point of 35 ⁇ 100 °C. The average number of carbon atoms of all groups R in CN101048212A is 3 to 6.
- W02012/075962A contains an organic polymer with a melting point of 45 to 100 °C and an electrostatic charge.
- All of the above patents are non-crosslinked silicone polymers, which are effective defoamers in detergent compositions, but such compositions have poor antifoaming properties, and the addition of emulsifiers greatly reduces their elimination. Antifoaming properties, easy to attenuate, defoaming properties are also greatly reduced by the intervention of surfactants, and surfactants in detergents are indispensable components.
- Increasing the viscosity of the silicone composition is an effective solution to this problem, as described, for example, in EP-A 301 531, which is said to be useful in the case of partially crosslinked polydimethylsiloxane which is already rubbery in some cases.
- the agent is not easy to reduce its antifoaming properties.
- the invention relates to a cross-linked network obtained by processing an addition reaction of a hydrogen-containing polyorganosiloxane and a silicone resin, an unsaturated hydrocarbon, and then adding a crosslinking agent containing a reactive group and silicon dioxide.
- the structured silicone composition can be used as a foam control component in industrial production.
- the present invention also provides a solid antifoaming agent prepared by using the organosilicon composition of the present invention, and a preparation method of the solid antifoaming agent, the silicone active material prepared from the organosilicon composition of the present invention finally
- the prepared solid antifoaming agent reduces the problem that the silicone grease is not easily emulsified and dispersed, and the agglomeration is unevenly distributed on the carrier, and the defoaming property of the defoaming agent is ensured. Compatibility makes the entire cleaning process fully defoaming and foam suppression.
- the technical solution adopted by the present invention is: a silicone composition characterized in that the raw material and each raw material account for the total mass percentage of the organosilicon composition. :
- the substituent R is the same or different and is a hydrocarbon group having 1 to 20 carbon atoms, and specifically includes an alkyl group such as a methyl group, an ethyl group, a n-propyl group, an n-butyl group, an isobutyl group, an n-pentyl group, and a ring.
- the subscript c is 0, 1 or 2, and the subscript is 0 or an integer of 200, preferably 1 (an integer of ⁇ 180, most preferably 4 (an integer of ⁇ 160, and c+i/ ⁇ l, subscript b is wide)
- Hydrogen-containing polyorganosiloxane is preferred Selecting a side chain hydrogen-containing polyorganosiloxane and a terminal side hydrogen-containing polyorganosiloxane;
- the crosslinking agent is at least one polysiloxane of the formula: wherein R 1 is the same or different and is an alkyl group having a carbon number of 10, a hydrogen atom or a vinyl group; R 2 is the same or different and is a carbon atom R 10 is preferably a methyl group; the subscript m is preferably an integer of ⁇ 50, preferably an integer of 5 to 40, and most preferably an integer of 10 to 30; n is (an integer of ⁇ 5, preferably an integer of 3; s is an integer of ⁇ 30, preferably an integer of 2 to 25, and most preferably an integer of 5 to 20.
- Each molecule has at least one silicon-bonded hydrogen An atom or a vinyl group, preferably at least 2 silicon-bonded hydrogen atoms or a vinyl group;
- R 3 is an alkyl group having a carbon number of 10, such as methyl, ethyl, propyl, n-propyl, butyl, isobutyl Base, f is an integer from 3 to 6;
- cross-linking agents are preferred: (1) linear hydrogen-containing or vinyl polysiloxanes, mainly containing hydrogen or vinyl in the side chain; (2) cyclic hydrogen-containing polyorganosiloxane and vinyl Polyorganosiloxane, f and main values are 4 and 5; R 3 mainly selects methyl and ethyl;
- the commonly used silicone resin is a spatially structured silicone resin, preferably a siloxane-containing unit R a Si0 4 — a/2 , wherein R is a hydroxyl group, a hydrocarbon group or a hydrocarbyloxy group, and a is from 0.5 to 2.4; more preferably The M functional group R* 3 Si0 1/2 and the Q functional group Si0 4/2 , wherein R* is a monovalent hydrocarbon group,
- the molar ratio of M:Q is (0.4 to 1.2): 1.0, preferably (0.5 to 0.8): 1.0.
- the silicone resin consists only of the M unit and the Q unit as defined above, but a resin containing an M unit, a trivalent R*Si0 3/2 (T) unit, and a Q unit can also be used.
- the silicone resin may also contain a divalent unit R*Si0 2/2 , preferably no more than 20% of all siloxane units present.
- the groups R (and R*) are preferably alkyl groups having a wide range of 6 carbon atoms, and most preferably substantially all of the R (and R*) groups present are methyl groups.
- hydrocarbon groups may also be present, such as alkenyl groups having up to 6 carbon atoms in the presence of dimethylvinylsilyl groups, and also hydroxyl and/or alkoxy groups bonded to silicon, such as methoxy groups.
- alkenyl groups having up to 6 carbon atoms in the presence of dimethylvinylsilyl groups
- hydroxyl and/or alkoxy groups bonded to silicon such as methoxy groups.
- it can be produced by hydrolysis of certain silane materials, in a solvent or in situ.
- precursors of tetravalent siloxy groups for example tetraorthosilicates, tetraethyl orthosilicates, polyethyl silicates or sodium silicates, in the presence of a solvent such as xylene.
- a monovalent trialkylsiloxy unit for example, a precursor of trimethylchlorosilane, trimethylethoxysilane, hexamethyldisiloxane or hexamethyldisilazane is hydrolyzed and condensed.
- the resulting MQ resin may be trimethylsilylated to react with residual Si-OH groups, or it may be heated in the presence of a base to self-condense the resin by eliminating Si-OH groups;
- the olefin is a mixture of any one or more of a linear ⁇ -olefin, an alicyclic olefin, an aromatic olefin or a branched olefin;
- the alkyne is acetylene, C a mixture of any one or more of alkyne, butyne, pentyne, hexyne, heptyne, octyne;
- the catalyst is used to catalyze the polymerization of the component hydrogen-containing polyorganosiloxane and the silicone resin and the olefin.
- the catalyst is selected from the group consisting of a platinum-alcohol complex, a platinum-olefin complex, Platinum-alkoxide complex, platinum-ether complex, platinum-ketone complex, chloroplatinic acid isopropanol solution or platinum-vinyl complex.
- the catalyst has a platinum content of 20 ppm, preferably a chloroplatinic acid isopropanol solution;
- Silica is classified into two types: precipitated silica and fumed silica according to the production method, and is classified into hydrophilic silica and hydrophobic silica according to surface properties.
- the present invention is preferably a hydrophobic silica having a specific surface area of 5 (T500 m 2 /g, including a vapor-phase hydrophobic silica and a precipitated hydrophobic silica.
- Hydrophobization treatment is carried out by using a methyl-substituted silicone material. Hydrophobic agents include polydimethylsiloxane, silanol or silicon-bonded alkoxy-terminated dimethylsiloxane polymers, hexamethyldisilazane and hexamethyldisiloxane. The hydrophobization treatment is carried out at at least 80 °C.
- the hydrogen-containing polyorganosiloxane described in the above-mentioned A has a kinematic viscosity at 25 ° C of 10 to 2000 mPa ⁇ s, preferably 100 to 1500 mPa ⁇ s, and the crosslinking agent described in B is at 25 °.
- the kinematic viscosity at the time of ⁇ is 5 to 50 mPa ⁇ s, preferably 10 to 40 mPa ⁇ s.
- the linear ⁇ -olefins described in the above-mentioned D are ⁇ -hexene, ⁇ -octene, ⁇ -decene, ⁇ -dodecene, ⁇ -tetradecene, ⁇ -hexadecene, ⁇ _ Octadecene, ⁇ -icosene, a-C2 (a mixture of TC24 olefins, a mixture of a-C24-C28 olefins, ⁇ -trienylene; the alicyclic olefin is terpene, benzene, dipentene , cyclopentene, norbornene; the aromatic olefin is ⁇ -methyl styrene or styrene; the branched aliphatic group: such as isoamylene, isooctene. More preferably not The saturated olefin is a mixture of any one or more of a linear
- a method for preparing the organosilicon composition is as follows: 1 The hydrogen-containing polyorganosiloxane A and the silicone resin (the unsaturated hydrocarbon D is added to the reaction vessel, the temperature is raised to 5 (T80 ° C, the temperature is 0. 2 ⁇ 5h, the silicone resin is dissolved;
- a silicone active prepared from the organosilicon composition, the raw materials and the percentage of each raw material in the total mass of the organosilicon active material are:
- the silicone composition of the present invention is 35 to 65%;
- emulsifier is a nonionic surfactant, including nonylphenol ethoxylate, octylphenol ethoxylate, lauric acid polyoxyethylene ether, oleic acid polyoxygen Vinyl ether, lauryl polyoxyethylene ether, hexadecanol polyoxyethylene ether, octadecyl polyoxyethylene ether, sorbitan monolaurate, sorbitan monopalmitate, sorbitan monohard Fatty acid ester, sorbitan monooleate, sorbitan tristearate, sorbitan trioleate, sorbitan monostearate polyoxyethylene ether ester, sorbitan Monooleic acid polyoxyethylene ether ester, sorbitan tristearate polyoxyethylene ether ester, castor oil polyoxyethylene ether, and the like, used alone or in combination; Mixture of any one or more of a salt or polyvinylpyrrolidone
- the acrylic polymer is polyacrylic acid or a partial sodium salt thereof, a maleic acid acrylic acid copolymer;
- the cellulose ether means a water-soluble or water-swellable cellulose ether such as sodium carboxymethyl cellulose.
- the citric acid or citrate is sodium citrate or potassium citrate; these structurants may be used singly or in combination in any ratio.
- the method of preparing the organosilicon active material the formulated amount of the silicone composition, the emulsifier and the structurant are directly mixed and homogenized by a colloid mill. 0. 5h, and then loaded into the container while stirring The temperature was raised to 80 ° C and thoroughly mixed with 0.5 to 2 hours to obtain a silicone active having a viscosity of 1000 to 10, OOOmPa ⁇ s.
- the silicone composition having a viscosity of 20, 00 (T100, OOOmPa ⁇ s in the process of preparing a silicone active material is homogenized by a colloid mill, which reduces the amount of the emulsifier and can control the particle size. At about 20 ⁇ m; during the homogenization process, the viscosity of the silicone active after the strong shearing is reduced to 100 (T10, OOOmPa ⁇ s; it is easy to mix with the carrier to ensure the silicone Active substance compatibility and antifoaming properties.
- a solid antifoaming agent prepared by using the organosilicon active agent, the raw material and the percentage of each raw material in the total mass of the solid antifoaming agent are:
- the organosilicon active of the present invention is 18 to 45%;
- the carrier is selected from the group consisting of sulfates, carbonates, phosphates, polyphosphates, starches,
- the body is preferably a starch or a sulfate or carbonate having a particle diameter of more than 300 mesh;
- the solvent is a solvent which is easily removed during the drying process, and the evaporation thereof forms voids inside the solid particles, increasing the ratio of the solid particles.
- the surface area specifically, the solvent is a mixture of any one or more of an alcohol or water, preferably methanol, ethanol, isopropanol, more preferably ethanol or water.
- a method for preparing the solid antifoaming agent the specific operation steps are as follows: First, the formulated amount of the silicone active material and the carrier are added to the mixer, stirred uniformly, and then the formula amount of the solvent is mixed and granulated. drying.
- the invention relates to a polymer with a crosslinked network structure obtained by processing a hydrogen-containing polyorganosiloxane and a silicone resin, an olefin addition reaction, a crosslinking agent and a silica, and the defoaming performance is improved. It has a good antifoaming effect, is easy to handle and process, and the addition of emulsifier does not reduce its antifoaming effect.
- the principle is to use a polyorganosiloxane having a low viscosity and containing a reactive group. Such a polyorganosiloxane has high reactivity, and a functional group on the link can react with Si-H to form a new chemical bond.
- the linear structure of the polymer is transformed into a three-dimensional network structure of the polymer, that is, a crosslinked structure, and the polymer forms a crosslinked structure, while the silicone resin and the silica are embedded in the polymer crosslinked network structure, since the network structure is passed The chemical bonds between the molecules are connected. Therefore, the antifoaming performance is good, the attenuation is not attenuated, the emulsifier has no obvious weakening of the defoaming performance, and the formed polymer is easy to be processed further, and the silicone active material prepared by the silicone composition is finally produced.
- the obtained solid defoaming agent ensures the defoaming performance and compatibility of the defoaming agent, so that the entire cleaning process can fully defoam and suppress foaming.
- a silicone composition characterized by comprising the following raw materials, and the total mass percentage of silicone occupied by each raw material is:
- the difference between the embodiment 2 and the embodiment 1 is that the raw material of the silicone composition and the total mass percentage of each raw material to the silicone are:
- the difference between the embodiment 5 and the embodiment 1 is that the raw material of the silicone composition and the total mass percentage of each raw material to the silicone are:
- a silicone composition characterized by comprising the following raw materials, and the total mass percentage of silicone occupied by each raw material is:
- Vapor-processed hydrophobic silica having a specific surface area of 80 m 2 /g 45 g 500 g of a hydrogen-containing polyorganosiloxane Me 3 SiO (MeHSiO) 55 (Me 2 Si0) 50 SiMe 3 having a viscosity of 100 mPa*s was placed in a vessel.
- 45g M: Q 0.65:1 silicone resin, adding 275g ⁇ -pinene at 50 ° C for 5h, 70 ° C plus 1.2g platinum content is 5ppm
- the chloroplatinic acid isopropanol solution was reacted at 150 ° C for 1.
- the raw material of the silicone composition and the total mass percentage of each raw material to the silicone are:
- Me 3 SiO (MeHSiO) 16 having a viscosity of 180 mPa ⁇ s. Me 2 SiOSiMe 3 748. 8g
- the raw material of the silicone composition and the total mass percentage of each raw material to the silicone are:
- Viscosity is 16mPa ⁇ s (MeHSiO) 6 lg
- Me 2 HSiO (MeHSiO) 155 (Me 2 SiO) 5 having a viscosity of 1500 mPa ⁇ s. . Si show e:
- a silicone composition characterized by comprising the following raw materials, and the total mass percentage of silicone occupied by each raw material is:
- the difference between the embodiment 11 and the embodiment 10 is that the raw material of the silicone composition and the total mass percentage of each raw material to the silicone are:
- Me 3 SiO (MeHSiO) 16 having a viscosity of 800 mPa ⁇ s. (Me 2 SiO) 180 SiMe 3 600g
- Example 12 Precipitated hydrophobic silica having a specific surface area of 300 m 2 /g 35. 5g
- Example 12 Precipitated hydrophobic silica having a specific surface area of 300 m 2 /g 35. 5g
- the difference between the embodiment 12 and the embodiment 10 is that the raw material of the silicone composition, and the total mass percentage of each raw material to the silicone are:
- the difference between the embodiment 13 and the embodiment 10 is that the raw material of the silicone composition and the total mass percentage of each raw material to the silicone are:
- Example 14 Precipitated hydrophobic silica having a specific surface area of 250 m 2 /g 42. 5g
- Example 14 Precipitated hydrophobic silica having a specific surface area of 250 m 2 /g 42. 5g
- a silicone composition characterized by comprising the following raw materials, and the total mass percentage of silicone occupied by each raw material is:
- Me 3 SiO (MeHSiO) 2 having a viscosity of 550 mPa ⁇ s. . (Me 2 SiO) 100 SiMe 3 500g
- the difference between the embodiment 15 and the embodiment 14 is that the raw material of the silicone composition, and the total mass percentage of each raw material to the silicone are:
- a silicone composition characterized by comprising the following raw materials, and the total mass percentage of silicone occupied by each raw material is:
- the difference between the embodiment 16 and the embodiment 14 is that the raw material of the silicone composition and the total mass percentage of each raw material to the silicone are:
- Me 3 SiO (MeHSiO) 18 having a viscosity of 2000 mPa ⁇ s. (Me 2 SiO) 8 . . SiMe 3 560g
- a silicone composition characterized by comprising the following raw materials, and the total mass percentage of silicone occupied by each raw material is:
- hydrophobic silica 40g having a specific surface area of 130 m 2 /g.
- 500 g of a hydrogen-containing polyorganosiloxane Me 3 SiO (MeHSiO) 75 (Me 2 SiO) 80 SiMe 3 having a viscosity of 170 mPa* s was added to the vessel.
- 39g M: Q 0.75:1 silicone resin, adding 885g ⁇ -octadecene, incubated at 70 ° C for 0.5h, 70 ° C plus 1.
- Example 19 The difference between Example 19 and Example 18 is that B in the raw material of the silicone composition has a structural formula of a branched polysiloxane having a viscosity of 34 mPa ⁇ s as follows.
- Example 20
- Example 20 has a structural formula of a branched polysiloxane having a viscosity of 39 mPa ⁇ s as follows.
- Example 21 The difference between Example 21 and Example 18 is that B in the raw material of the silicone composition has a structural formula of a branched polysiloxane having a viscosity of 48 mPa ⁇ s as follows.
- Example 26 The difference between Example 22 and Example 18 is that B in the raw material of the silicone composition has a structural formula of a branched polysiloxane having a viscosity of 52 mPa ⁇ s as follows.
- Example 23 is that the difference, B of the starting material of formula selected silicone composition below, having a viscosity of 60 mPa, S, a branched silicone embankment.
- a silicone composition characterized by comprising the following raw materials, and the total mass percentage of silicone occupied by each raw material is:
- the hydrophobic silica is heated to 160 ° C for 2 h, and maintained at 0. l ⁇ 1.5 h under a vacuum of 0.06 MPa. After falling to room temperature, a pale yellow viscous silicone composition having a viscosity of 1500 mPa ⁇ s is obtained. FS1.
- Silicone active prepared by the silicone composition S1 described in Example 1 35 g of the silicone composition S1, 20 g of lauric acid polyoxyethylene ether and 45 g of polyacrylic acid were directly mixed, and then homogenized by a colloid mill. After 0.2 h, it was placed in a container, and the mixture was heated to 80 ° with stirring. The mixture was thoroughly mixed for 0.5 h to obtain a silicone active material AS1 having a viscosity of 2000 mPa ⁇ s.
- the sodium hydride active material AS2 has a viscosity of 2900 mPa ⁇ s. The mixture is heated to 80 ° C while stirring. .
- Silicone active prepared by the silicone composition S3 described in Example 10 57 g of the silicone composition S3, 30 g of oleic acid polyoxyethylene ether and 13 g of sodium citrate were directly mixed, and then the colloid was homogenized. After 0. 2h, it was placed in a container, heated to 80 ° with stirring, and thoroughly mixed for 1 h to obtain a silicone active material AS3 having a viscosity of 3500 mPa ⁇ s.
- Examples 24 to 27 Silicone actives were prepared by using the silicone composition prepared by the present invention, wherein the colloidal mill homogenization treatment was carried out, and the obtained silicone active materials were excellent in compatibility and excellent in defoaming performance.
- the silicone active prepared by the silicone composition FS1 of Comparative Example 1 65 g of the silicone composition FS1, 15 g of lauric acid polyoxyethylene ether and 20 g of sodium carboxymethylcellulose were directly mixed, and then passed through a colloid mill. After the O. lh, the mixture was placed in a container, and the mixture was heated to 80 ° C with stirring and mixed well for 0.5 h to obtain a silicone active material AFS1 having a viscosity of 6000 mPa ⁇ s.
- Comparative example 4 Silicone active prepared by the silicone composition S5 of Example 17: 47 g of the silicone composition S5, 33 g of lauric acid polyoxyethylene ether and 20 g of sodium citrate were directly mixed, and the temperature was raised to 80 ° with stirring. C is thoroughly mixed for 2 h to obtain a silicone active AFS2 having a viscosity of 30, OOO mPa ⁇ s.
- the silicone active prepared by the silicone composition FS2 described in Comparative Example 2 52 g of the silicone composition FS2, 23 g of lauric acid polyoxyethylene ether and 25 g of sodium citrate were directly mixed, and then homogenized by a colloid mill. After the O. lh, the container was placed in a container, and the mixture was heated to 80 ° C with stirring and mixed well for 0.5 h to obtain a silicone active material AFS3 having a viscosity of 20, OOO mPa ⁇ s.
- the solid antifoaming agents of Examples 28-31 and the solid antifoam samples of Comparative Examples 6 to 8 were tested as follows. Powder, 0.75 g of solid defoamer, the test procedure was a cotton fabric procedure. The door of the washing machine is marked with 10 metrics, which are 0, 10, 20, 30 ⁇ ..100 ⁇ for the door height, and each is "0", "10", "20”, “30” ⁇ ⁇ .. "100". "0" is the starting point, indicating no bubble, and "100" means full of bubbles. The bubble height is recorded every 5 minutes and recorded when the machine is stopped. The larger the value, the higher the bubble height in the washing machine, and the worse the foam inhibition; the lower the bubble height in the same time, the better the foam suppression performance of the product.
- the test results are as follows: Table 1 Washing machine test results
- the solid antifoaming agent in Examples 28-31 is prepared by using the silicone composition of the present invention and homogenizing the colloidal mill to obtain a silicone active material.
- the foaming agent is rich in foaming in the early stage of washing, and the foaming effect is good in the later rinsing stage, thereby saving cost.
- the solid antifoaming agent of Comparative Example 7 was prepared by using the silicone composition of the present invention, but since the silicone composition was not subjected to homogenization treatment, the viscosity was large, and the carrier was difficult to be uniformly mixed, and it was not easily spread and spread during the test, resulting in Poor performance.
- Test Method Horizontal Cycling Bubbler (Nanjing Sixin Technology Application Research Institute Co., Ltd. The glass audition on the manufacturing) is marked with four metrics 0, 1, 2, and 3. "0" is the starting point, indicating no bubble, and "3" means full of bubbles.
- the bubble pump is raised to a certain height (the time to rise to a certain height is the blank time), 0.5 g of antifoaming agent is added thereto, and the change of the bubble height with time is recorded. The longer it takes for the bubble to rise to the same scale, the better the foam suppression performance.
- Table 2 The test results are shown in Table 2:
- the homogenization by the colloid mill in the preparation of the silicone active material can sufficiently mix the silicone composition and the emulsifier, lower the viscosity, and then adsorb to the carrier, and the obtained defoaming agent is defoamed.
- the obtained defoaming agent is defoamed.
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CN114316599A (zh) * | 2021-06-07 | 2022-04-12 | 南京瑞思化学技术有限公司 | 一种有机硅组合物的制备方法 |
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