EP1581540A1 - Silasesquioxanes oligomeres, procede de fabrication de ceux-ci et utilisation - Google Patents

Silasesquioxanes oligomeres, procede de fabrication de ceux-ci et utilisation

Info

Publication number
EP1581540A1
EP1581540A1 EP03815044A EP03815044A EP1581540A1 EP 1581540 A1 EP1581540 A1 EP 1581540A1 EP 03815044 A EP03815044 A EP 03815044A EP 03815044 A EP03815044 A EP 03815044A EP 1581540 A1 EP1581540 A1 EP 1581540A1
Authority
EP
European Patent Office
Prior art keywords
silasesquioxanes
oligomeric
compounds
starting materials
type
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Withdrawn
Application number
EP03815044A
Other languages
German (de)
English (en)
Inventor
Carsten Jost
Adolf KÜHNLE
Hendrikus Cornelius Louis Abbenhuis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kuehnle Dr Adolf
Original Assignee
Degussa GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Degussa GmbH filed Critical Degussa GmbH
Publication of EP1581540A1 publication Critical patent/EP1581540A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • 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
    • C08G77/045—Polysiloxanes containing less than 25 silicon atoms
    • 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
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02—Silicon compounds
    • C07F7/21—Cyclic compounds having at least one ring containing silicon, but no carbon in the ring
    • 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

Definitions

  • Oligomeric silasesquioxanes can be used to synthesize and modify polymers with a wide range of applications.
  • the resulting polymers can be used, for example, in coatings and adhesives, in molded parts made of plastic, in fibers or ner packaging materials.
  • the silasesquioxanes can be produced in a wide range of variations in terms of their structure, the properties of the polymers which can be prepared or modified with silasesquioxanes can be influenced over a wide range. Numerous thermal and mechanical properties of polymers can be improved by the copolymerization, grafting, grafting or blending of silasesquioxanes. B. here the different moduli, the temperature stability, the adhesion properties to a variety of materials, the oxidation stability and the scratch and tear resistance.
  • reaction rate degree of oligomerization and yield therefore depend on the concentration of RSiY 3 monomer, the solvent, the substituents R and Y, the temperature, the amount of H 2 O added and the catalyst.
  • acidic and basic catalysts is described for hydrolytic condensation. In addition to KOH, Me 4 NOH, Et 4 NOH and
  • Lichtenhan et al also describe the base-catalyzed preparation of oligomeric silasesquioxanes (WO 01/10871).
  • the synthesis of the compound (isobutyl) 8 Si 8 O 2 starting from (isobutyl) SiCl 3 is also described.
  • this requires not only the use of toxic dichloromethane as a solvent in which the monomer is refluxed, but also, disadvantageously, the isolation of the polysilasesquioxane [(isobutyl) SiO ⁇ .5] -o as an intermediate.
  • Another disadvantage is the formation of HC1 as a by-product of the hydrolytic condensation.
  • the object of the invention was therefore to provide an efficient process for the preparation of fully condensed oligomeric silasesquioxanes of the formula
  • the present invention therefore relates to a process for the preparation of oligomeric, completely condensed silasesquioxanes of the formula R 1 a R 2 b R 3 c R 4 d R 5 e R 6 f R 7 R 8 h Si 8 O 2 and structure 1
  • the present invention also relates to oligomeric silasesquioxanes prepared by a process according to at least one of claims 1 to 24 and the use of these silasesquioxanes for the synthesis of incompletely condensed silasesquioxanes, of functionalized silasesquioxanes, of catalysts and their starting compounds, and for the synthesis or Modification of polymers.
  • compounds of structure 1 have only been accessible in poor yields after long reaction times, the synthesis sometimes requiring the detour via polysilasesquioxanes as isolated intermediates.
  • the reaction is preferably carried out by adding the components to a reaction vessel. After the addition of the components, but also during the addition of the components, care should be taken to ensure that the components are mixed sufficiently in the reaction mixture. This can be done in a manner known to those skilled in the art, e.g. B. by stirring or by generating turbulent flows.
  • OCOR 'or Cl where R' is an organic radical.
  • bases as catalysts is necessary to control or accelerate the reaction.
  • Compounds or ions selected from Off, R'O “ , R'COO ' , R'NH “ , R'CONR' “ , R ' “ , CO 3 2 “ , PO 4 3” , SO4 2 are preferred as basic catalysts " , NO 3 " , F ", NR ' 3 , R' 3 NO, where R 'represents an organic radical.
  • Particular preference is given to at least one compound selected from KOH, NaOH, (C 2 H 5 ) as the basic catalyst. 4 NOH, C 6 H 5 CH 2 (CH 3 ) 3 NOH, (CH 3 ) 4 NOH and (C 2 H 5 ) 3 N.
  • alkali metal hydroxides such as KOH is very particularly preferred Invention in any way, since any basic catalyst can be used.
  • Both a polar solvent and a non-polar solvent can be used as the solvent.
  • Halogen-free solvents selected from the group of alcohols, ketones, aldehydes, ethers, acids, esters, anhydrides, alkanes, aromatics and nitriles or mixtures of these solvents are preferably used as solvents.
  • Alcohols, ethers, acetone, acetonitrile, benzene or toluene are particularly preferably used as solvents.
  • Acetone, methanol or ethanol or a mixture of two or more of these compounds is very particularly preferably used as the solvent.
  • the concentration of the sum of all starting materials RSiX 3 in the reaction solution in the process according to the invention is preferably from 0.01 mol / 1 to 10 mol / 1, preferably from 0.1 mol / 1 to 2 mol / 1, particularly preferably from 0.2 up to 1 mol / 1 and very particularly preferably from 0.3 to 0.8 mol / 1.
  • a monomer concentration of 0.5 mol / l is very particularly preferred.
  • the decisive factor for the success of the process is the molar ratio of the sum of all starting materials RSiX 3 used to the base used. In the process according to the invention, this is from 500: 1 to 3: 1, preferably from 100: 1 to 5: 1, particularly preferably from 50: 1 to 10: 1. A molar ratio of 25: 1 is very particularly preferred.
  • the use of higher Amounts of base do not lead to the fully condensed oligomeric silasesquioxanes of the formula R ⁇ R 2 b R 3 c R 4 d R 5 e R 6 f R 7 g R 8 h SisO 12 but to the formation incompletely condensed oligomeric silasesquioxanes such as e.g. B. in WO 01/10871, page 26, lines 13 to 21 is described.
  • R 1 a R 2 b R 3 c R 4 d R 5 e R 6 f R 7 g R 8 h Si 8 O ⁇ 2 according to the process of the invention a molar ratio of water to the sum of the starting materials RSiX 3 from 1000: 1 to 0.1: 1, preferably from 100: 1 to 0.5: 1, particularly preferably from 50: 1 to 1: 1.
  • a molar ratio of 10: 1 to 2: 1 is very particularly preferably selected.
  • the process according to the invention can be carried out at a temperature of from -50 to 300 ° C., preferably at a temperature of 0 to 200 ° C., particularly preferably at a temperature of 20 to 100 ° C.
  • the reaction is very particularly preferably carried out at a temperature which is below the boiling point of the reaction solution. The change in temperature during the reaction is conceivable. Lowering the temperature towards the end of the reaction in order to isolate the product as completely as possible can be advantageous.
  • the process can be carried out continuously or in batch mode.
  • the target product R 1 a R 2 bR 3 c R 4 dR 5 eR 6 fR 7 gR 8 hSi 8 O ⁇ 2 can be separated off from the reaction mixture in a manner known to the person skilled in the art.
  • the target product precipitates out of the reaction solution, the precipitation by suitable measures, such as. B. Salting out or hypothermia of the solution can be supported.
  • a small amount of the target product R a RR c R 4 dR 5 eR 6 fR 7 g R 8 hSi 8 O 12 can be added to the reaction solution at the beginning of the reaction in order to bring about better precipitation of the target product.
  • silasesquioxanes can be used for the synthesis and modification of polymers with a wide range of applications. Since the character and the property profile of the silasesquioxanes can be varied widely on the one hand via the R group, on the other hand via functionalization, a combination with all common polymers is possible.
  • suitable silasesquioxane products can have a favorable influence on the rheological properties, the adhesive and compound properties as well as the barrier effect against gases and liquids in a large number of polymers.
  • organic polymers are e.g. B.
  • polyolefins amorphous polyalphaolefins, polyamides, copolyamides, polyamide compounds, polyesters, copolyesters, polyacrylates, polymethacrylates, polycarbonates, polyurethanes, phenolic resins, epoxy resins, polysiloxanes, polysilanes, rubbers, rubber cornpounds, polyvinyl chloride, styrene chloride copolymers, polymers, polystyrene copolymers, polymers, polystyrene copolymers, polystyrene copolymers, polystyrene copolymers, polystyrene copolymers, polystyrene copolymers, polystyrene polymers and olefin and terpolymers.
  • Polyolefins, polyethers, polyesters, polycarbonates, polyamides, polyurethanes, polyacrylates, polymethacrylates, polysiloxanes, polysilanes, phenolic resins, epoxy resins, polyvinyl chloride and vinyl chloride copolymers, polystyrene and copolymers of styrene, ABS polymers and rubbers can be blended with the fully condensed oligomeric type of silanes R 1 a R 2 bR 3 c R 4 dR 5 e R 6 f R 7 gR 8 h Si 8 O ⁇ 2 also form composites.
  • the resulting polymers can be used, for example, in the form of coatings, lacquers, injection-molded or extruded moldings, calendered films, lubricants, adhesives, cosmetics, pharmaceuticals, fibers, glass fibers or packaging materials.
  • they can be used as bioactive and fungicidal products, for electronic materials, in space travel and for the manufacture of medical prostheses.
  • the effect of the fully condensed oligomeric silasesquioxanes of the type R 1 a R 2 b R c R 4 d R 5 e R 6 f 7 R 8 h Si8 ⁇ 2 as polymer additives is that they in the resulting polymers, the glass, decomposition and thus increasing the service temperature, increasing the tensile strength, impact resistance, scratch resistance and mechanical hardness, reducing the density, reducing the thermal conductivity, the coefficient of thermal expansion and the dielectric constant and the viscosity, changing the surface tension and adhesion, reducing the flammability, flammability and heat development, the O 2 -permeability, which increase oxidation and corrosion stability, simplify processing and contain shrinkage processes.
  • Examples of incompletely condensed silasesquioxanes are e.g. B. Compounds of the types R Si O (OH) 3 2, R 8 Si 8 O ⁇ (OH) 2 3 and R 8 Si 8 O ⁇ o (OH) 4 4. These and other compounds in turn can now in turn be converted to variously functionalized silasesquioxanes , In particular, compounds of the type R Si O 9 (OH) 3 2 can be converted into a large number of valuable functionalized silasesquioxanes by a wide variety of derivatizations. These functionalized silasesquioxanes can e.g. B.
  • polystyrene and copolymers of styrene ABS polymers and rubbers
  • the resulting polymers can be used analogously in the previous for the completely condensed oligomeric silasesquioxanes of the type R 1 a R 2 b R 3 c R 4 d R 5 e R 6 f R 7 g R 8 h Si 8 O ⁇ 2 application areas are used, the incompletely condensed and the functionalized silasesquioxanes also cause previously described property improvements in the resulting polymers.
  • the incompletely condensed and the functionalized silasesquioxanes can also be used as such as pharmaceuticals, cosmetics, fungicides and bioactives.
  • the completely condensed oligomeric silasesquioxanes R 1 a R 2 b R 3 c R 4 d R 5 e R 6 f R 7 gR 8 h Si 8 O 2 which can be prepared by the process according to the invention and the functionalized silasesquioxanes can be used as starting compounds serve for catalysts.
  • the incompletely condensed or functionalized silasesquioxanes can form homogeneous and heterogeneous catalysts by reaction with metal compounds, which in turn can be used for oxidations, metathesis, CC coupling reactions, oligomerizations, polymerizations, additions, reductions, eliminations, rearrangements.
  • the reaction with metal compounds of metals of the subgroups including the lanthanoids and actinoids and the 3rd and 4th main group is preferred.
  • Silasesquioxanes produced according to the invention can be used in particular in paints and printing inks to improve the theological properties, the settling behavior, the application properties and the surface properties of the paint or printing ink film.
  • the base-catalyzed conversion of the polymeric [(isobutyl) SiO ⁇ ..5] ⁇ resin was achieved by heating in 25 ml of methyl isobutyl ketone under reflux for 48 hours, with enough C 6 H5CH 2 N (CH3) 3 ⁇ H being added to give a strongly basic solution generate (approx. 2 ml of a 40% solution in methanol).
  • Example 4 Reaction of (isobutyl) 7Si 7 ⁇ 9 (OH) 3 with 3-chloropropyltrimethoxysilane (example for the synthesis of a functionalized silasesquioxane)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Silicon Polymers (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Paints Or Removers (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

L'invention concerne un procédé de fabrication de silasesquioxanes oligomères entièrement condensés, de formule R1aR2bR3cR4dR5eR6fR7gR8hSi8O12 ; R1, R2, R3, R4, R5, R6, R7, et R8 étant des restes alkyle, cycloalkyle, alcényle, cycloalcényle, alkinyle, cycloalkinyle, aryle ou hétéroaryle ou hydrogène, identiques ou non, substitués ou non, et a + b + c + d + e + f + g + h = 8, lesdits composés présentant la structure (1). L'invention concerne également l'utilisation desdits composés dans la synthèse de silasesquioxanes partiellement condensés, de silasesquioxanes fonctionnalisés, de catalyseurs et de leurs composés de départ, et dans la synthèse et la modification de polymères.
EP03815044A 2003-01-09 2003-01-09 Silasesquioxanes oligomeres, procede de fabrication de ceux-ci et utilisation Withdrawn EP1581540A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2003/000133 WO2004063207A1 (fr) 2003-01-09 2003-01-09 Silasesquioxanes oligomeres, procede de fabrication de ceux-ci et utilisation

Publications (1)

Publication Number Publication Date
EP1581540A1 true EP1581540A1 (fr) 2005-10-05

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EP03815044A Withdrawn EP1581540A1 (fr) 2003-01-09 2003-01-09 Silasesquioxanes oligomeres, procede de fabrication de ceux-ci et utilisation

Country Status (7)

Country Link
US (1) US20060009604A1 (fr)
EP (1) EP1581540A1 (fr)
JP (1) JP2006513240A (fr)
CN (1) CN1720251A (fr)
AU (1) AU2003303735A1 (fr)
CA (1) CA2513002A1 (fr)
WO (1) WO2004063207A1 (fr)

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US7774799B1 (en) 2003-03-26 2010-08-10 Microsoft Corporation System and method for linking page content with a media file and displaying the links
JP4513972B2 (ja) * 2005-04-15 2010-07-28 信越化学工業株式会社 かご状オリゴシロキサン含有シリコーンオイル組成物及び化粧料
CN101522756B (zh) * 2006-07-18 2013-09-18 科巴尔股份有限公司 用于制备缩聚聚合物的poss金属化合物
US20100081837A1 (en) * 2006-10-05 2010-04-01 Asahi Kasei Chemicals Corporation Process for production of powder of cage silsesquioxane compound
US7786209B2 (en) * 2006-10-27 2010-08-31 Xerox Corporation Nanostructured particles, phase change inks including same and methods for making same
JP5268260B2 (ja) * 2007-01-24 2013-08-21 デクセリアルズ株式会社 異方導電性接着剤及び電気装置
JP4991881B2 (ja) * 2007-03-07 2012-08-01 サン−ゴバン パフォーマンス プラスティックス コーポレイション シリコーン組成物を含有する物品およびそれらの製造方法
JP5273941B2 (ja) * 2007-04-24 2013-08-28 コルコート株式会社 ポリヘドラルシルセスキオキサンの製造方法
US8084177B2 (en) * 2008-12-18 2011-12-27 Xerox Corporation Toners containing polyhedral oligomeric silsesquioxanes
KR101249798B1 (ko) * 2010-08-18 2013-04-03 한국과학기술연구원 선택적으로 구조가 제어된 폴리실세스퀴옥산의 제조방법 및 이로부터 제조된 폴리실세스퀴옥산
CN102372734A (zh) * 2010-08-24 2012-03-14 江南大学 一种新型含poss的纳米杂化增强剂的合成
US10276365B2 (en) * 2016-02-01 2019-04-30 SCREEN Holdings Co., Ltd. Substrate cleaning device, substrate processing apparatus, substrate cleaning method and substrate processing method
CN107033354A (zh) * 2017-04-27 2017-08-11 湘潭大学 一种液态笼型倍半硅氧烷及其制备方法
SI3511335T1 (sl) * 2018-01-10 2021-01-29 Nitrochemie Aschau Gmbh Izdelava kovinskih siliseskioksanov
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DE10156619A1 (de) * 2001-11-17 2003-05-28 Creavis Tech & Innovation Gmbh Verfahren zur Herstellung funktionalisierter oligomerer Silasesquioxane sowie deren Verwendung
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Also Published As

Publication number Publication date
CA2513002A1 (fr) 2004-07-29
WO2004063207A1 (fr) 2004-07-29
AU2003303735A1 (en) 2004-08-10
CN1720251A (zh) 2006-01-11
JP2006513240A (ja) 2006-04-20
US20060009604A1 (en) 2006-01-12

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