EP3408313A1 - Nouveaux agents de réticulation par la réaction d'hétéro-diels-alder et leur utilisation dans des systèmes polymères à réticulation réversible - Google Patents

Nouveaux agents de réticulation par la réaction d'hétéro-diels-alder et leur utilisation dans des systèmes polymères à réticulation réversible

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Publication number
EP3408313A1
EP3408313A1 EP17700701.0A EP17700701A EP3408313A1 EP 3408313 A1 EP3408313 A1 EP 3408313A1 EP 17700701 A EP17700701 A EP 17700701A EP 3408313 A1 EP3408313 A1 EP 3408313A1
Authority
EP
European Patent Office
Prior art keywords
formulation
component
crosslinking
formulation according
diels
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Withdrawn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
EP17700701.0A
Other languages
German (de)
English (en)
Inventor
Friedrich Georg Schmidt
Uwe Paulmann
Christian Richter
Marcel Inhestern
Christian Meier
Christopher Barner-Kowollik
Kai PAHNKE
Miguel Angel SANZ
Sumaira Umbreen
Christian Ewald JANSSEN
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.)
Evonik Operations GmbH
Original Assignee
Evonik 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 Evonik Degussa GmbH filed Critical Evonik Degussa GmbH
Publication of EP3408313A1 publication Critical patent/EP3408313A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/37—Thiols
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C327/00—Thiocarboxylic acids
    • C07C327/36—Esters of dithiocarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • 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
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0025—Crosslinking or vulcanising agents; including accelerators
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or 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 of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/062—Copolymers with monomers not covered by C08L33/06
    • C08L33/066—Copolymers with monomers not covered by C08L33/06 containing -OH groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or 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 of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/10—Homopolymers or copolymers of methacrylic acid esters
    • C08L33/12—Homopolymers or copolymers of methyl methacrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L47/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds; 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
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/06—Unsaturated polyesters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J147/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds; Adhesives based on 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
    • C08L2312/00—Crosslinking

Definitions

  • the invention relates to a novel hetero-Diels-Alder crosslinker, its process for the preparation and its use for reversibly crosslinking polymer systems.
  • Applications for this crosslinker building block and its derivatives can be found in the preparation of reversibly crosslinking polymer systems for injection molding and extrusion molding compounds, in the production of foams, for applications in the field of additive manufacturing, such as, for example, with the SLS or FDM process, for the production of composite components according to the RTM process, for the production of storage-stable prepregs and moldings or composite components produced therefrom, and also for adhesives and coatings.
  • the present invention relates to a novel method for the reversible crosslinking of, for example, adhesive or coating compositions.
  • the reversible crosslinking method allows a very rapid crosslinking even at room temperature and a solution of the crosslinking sites at higher temperatures, so that a thermoplastic processability is recovered and, e.g. the originally bonded substrates can be easily separated again. It is a particular aspect that multiple cycles of crosslinking and solution of crosslinking sites are possible with the present system.
  • reversible crosslinking of polymers are of great interest for a broad field of applications.
  • adhesive applications various possibilities for the automotive industry or the semiconductor industry are described. But also in the construction of machines, precision mechanical devices or in Bauinduistrie such adhesives are interesting.
  • reversibly crosslinkable polymers may also be of interest in sealants, coating compositions such as paints or coatings or in the production of moldings.
  • DE 198 32 629 and DE 199 61 940 describe processes in which adhesives based on epoxy, urea, (meth) acrylate or isocyanate are thermally decomposed.
  • the adhesive formulation from DE 199 61 940 contains a thermally unstable substance, which is activated when heated.
  • the Adhesive layer in DE 198 32 629 is destroyed by a particularly high energy input. The deactivation of the adhesive layer is irreversible in both cases.
  • thermally labile, sterically hindered urea groups are incorporated in the chains of a polyurethane for adhesive applications, which is destroyed by the entry of thermal energy and thus the adhesive effect is sufficiently reduced to dissolve the compound.
  • US 2009/0280330 describes a probably reusable adhesive system which has a two-layer structure.
  • a layer is a shape memory layer that can be thermally flexible or cured.
  • the other layer is a dry adhesive having different adhesive strengths depending on the structure. Problem of such a system, however, is the complex structure to be built two-layer structure and the expected residual tack after heating the shape memory layer.
  • No. 6,933,361 describes a system for the production of easily repairable, transparent moldings.
  • the system consists of two multifunctional monomers, which are Polymerize Alder reaction to a high density network.
  • One functionality is a maleimide and the other functionality is a furan.
  • the thermal switching of such a high-density network serves to repair the same.
  • the crosslinking takes place at temperatures above 100 ° C. The partial back reaction at even higher temperatures.
  • star polymers are described for use as flow improvers in oils. These have controllable, self-healing properties by means of a reversible Diels-Alder reaction.
  • monofunctional Polymethacrylatarme be combined with polymethacrylates, which have in the middle of the chain, as a fragment of the initiator used on a usable in a reversible Diels-Alder reaction group.
  • EP 2 536 797 discloses a reversibly crosslinking system consisting of two components A and B.
  • Component A is a compound having at least two dienophilic groups and component B is a compound having at least two diene functionalities.
  • the combinations of components A and B disclosed in EP 2 536 797 can still be optimized in relation to the maximum number of possible switching cycles and the storage stability of the compositions.
  • Fiber reinforced prepreg materials are already being used in many industrial applications because of their ease of handling and increased processing efficiency compared to the alternative wet-layup technology.
  • RTM reaction transfer molding
  • Prepregs and composites based thereon based on epoxy systems are described, for example, in WO 98/5021 1, EP 0 309 221, EP 0 297 674, WO 89/04335 and US 4,377,657.
  • WO 2006/043019 a process for the preparation of prepregs based on epoxy resin polyurethane powders is described.
  • prepregs based on powdered thermoplastics are known as matrix.
  • WO 99/64216 describes prepregs and composites and a method of making them using emulsions with polymer particles as small as to enable single-fiber coating.
  • the polymers of the particles have a viscosity of at least 5000 centipoise and are either thermoplastics or crosslinking polyurethane polymers.
  • EP 0 590 702 describes powder impregnations for the production of prepregs in which the powder consists of a mixture of a thermoplastic and a reactive monomer or prepolymer.
  • WO 2005/091715 likewise describes the use of thermoplastics for the production of prepregs.
  • EP 2 174 975 and EP 2 346 935 each describe composite materials which can be used as laminate with bis-maleimide and furan groups, which can be thermally recycled. It will be readily apparent to those skilled in the art that such a system will only reactivate at relatively high temperatures, i. be rewetted to at least a large extent, can be. At such temperatures, however, further side reactions quickly occur, so that the mechanism - as described - is only suitable for recycling, but not for modifying the composites.
  • WO 2013/079286 describes composite materials or prepregs for their preparation which have groups for a reversible hetero-Diels-Alder reaction. These systems are reversibly cross-linkable and the molded parts are even recyclable. However, these systems can only be applied as a 100% liquid system or from an organic solution. This significantly limits the applicability of this technology.
  • EP 2 931 817 describes the preparation and use of a novel crosslinker for reversible hetero-Diels-Alder crosslinking. Although the crosslinker described there is characterized by a rapid reaction with corresponding dienes, it must be stabilized in the synthesis by cyclopentadiene or similar dienes as a protective group. The pure crosslinker is also not stable in substance. task
  • the object of the present invention is to provide a novel reversible crosslinking method which can be used in various applications and in a broad formulation spectrum.
  • a further object was to find crosslinker structures which are thermally stable without protective groups such that the use of cyclopentadiene or similar structures as blocking agents is not required.
  • the synthetic steps as well as the yields achieved for an economical production of the crosslinking systems should be improved to a simple and robust production method, whereby the educt costs should also be reduced compared to the system known from the prior art.
  • the retro-Diels-Alder reaction should take place at temperatures that allow glass transition temperatures of the overall system greater than 100 ° C and at the same time, the processing temperatures of eg methacrylate-based system need not be increased above 240 ° C.
  • the objects were achieved by developing a novel formulation suitable for carrying out a reversible crosslinking mechanism which can be used independently of the formulation constituents, such as binders for various polymers. Surprisingly, it has been found that the objects set can be solved by a novel formulation which can be crosslinked by means of a hetero-Diels-Alder reaction.
  • the novel, reversibly crosslinkable formulation which can be crosslinked by means of a hetero-Diels-Alder reaction, contains a component A which has at least two dienophilic double bonds, the component A having at least one structural unit Z.
  • R 1 is an alkyl or alkylene radical having 1 to 20 carbon atoms, wherein the alkylene radical may be connected to further of the structures shown.
  • the formulation contains a component B which has at least one diene functionality.
  • the reversible crosslinking which is possible with the formulation according to the invention, enables a very rapid conversion even at a low first temperature and a solution of
  • Cure sites at higher temperatures such that thermoplastic processability is recovered and e.g. the originally crosslinked layers are easily separated again from one another when used in the region of the individual layers pressed in as laminates in composites or, for example, the crosslinked individual layers, which are present for example as prepregs, reshaped and pressed into a laminate can be.
  • crosslinker or chain extender molecules described are stable as pure substances with temperature increase so that they do not have to be blocked with protective groups.
  • At least one of these two components A or B has more than two functionalities.
  • At least one of the components A or B is preferably present as polymer.
  • the formulation is crosslinkable at room temperature.
  • the crosslinking can be reversed at a higher temperature to at least 50%.
  • Component A is available, for example, via the following general synthetic route:
  • ethylene glycol instead of the ethylene glycol, other diols, such as, for example, hexanediol, can also be used for a longer alkylene chain (R2).
  • R2 alkylene chain
  • component A is a compound having a plurality of said structural units Z.
  • These radicals are in particular preferably alkylene groups having from 1 to 5 carbon atoms via which the structural units Z are connected to one another.
  • the R2 is preferably an alkyl group having 2 to 10
  • component A is the compound
  • component B is a polymer
  • Preferred polymers are polyacrylates, polymethacrylates, polystyrenes, copolymers of acrylates, methacrylates and / or styrenes, polyacrylonitrile, polyethers, polyesters, polylactic acids, polyamides, polyesteramides, polyurethanes, polycarbonates, amorphous or partially crystalline poly- ⁇ -olefins, EPDM, EPM, hydrogenated or non-hydrogenated polybutadienes, ABS, SBR, polysiloxanes and / or block, comb and / or star copolymers of these polymers.
  • component B is one of the following compounds:
  • the component B is a polymer which under Co
  • radicals R3 may be the same or different radicals.
  • R3 is preferably hydrogen and / or an alkyl radical having 1 to 10 carbon atoms.
  • These monomers can be copolymerized with (meth) acrylates and / or styrene, for example.
  • component B is a polyamide, a polyester or a polycarbonate having at least one diene functionality.
  • the formulation of the invention is not crosslinked, but there is a chain extension and thus a circuit between two different thermoplastic states.
  • component A has exactly one structural unit Z and component B has exactly one diene group.
  • component B is a bifunctional polymer prepared by atom transfer radical polymerization (ATRP).
  • ATRP atom transfer radical polymerization
  • the functionalization with the diene groups is carried out by a polymer-analogous or during the termination carried out substitution of terminal halogen atoms. This substitution can be carried out, for example, by adding dieno functionalized mercaptans.
  • Another aspect of the present invention is the process for the reversible crosslinking of the formulations according to the invention.
  • a formulation of at least two different components A and B is crosslinked by means of a hetero-Diels-Alder reaction at room temperature.
  • a second process step at a higher temperature, at least 50%, preferably at least 90%, and particularly preferably at least 99%, of the crosslinking sites are redissolved by means of a retro-hetero-Diels-Alder reaction.
  • composition in the context of this document exclusively describes components A and B and also an optional crosslinking catalyst.
  • composition additionally includes added components in addition to the formulation.
  • additional components may be additives specially selected for the respective application, such as, for example, fillers, pigments, additives, compatibilizers, co-binders, plasticizers, impact modifiers, thickeners, defoamers, dispersing additives, rheology improvers, adhesion promoters, scratch-resistant additives, catalysts or stabilizers.
  • components A and B are first brought together in the process.
  • the crosslinking reaction may be carried out at room temperature within 10 minutes, preferably within 5 minutes, more preferably within 2 minutes, and most preferably within one minute.
  • a crosslinking catalyst can be added after mixing components A and B.
  • These crosslinking catalysts are usually strong acids such as trifluoroacetic acid or sulfuric acid or strong Lewis acids such as e.g. Boron trifluoride, zinc dichloride, titanium dichloride diisopropylate or aluminum trichloride.
  • the crosslinking can also be accelerated without a catalyst, for example thermally.
  • the activation temperature is below the temperature required for the retro-hetero-Diels-Alder reaction.
  • the formulation contains, independently of the activation of the crosslinking reaction, a further catalyst which lowers the activation temperature of the retro-hetero-Diels-Alder reaction.
  • These catalysts may be, for example, iron or an iron compound.
  • formulations or processes according to the invention can be used in a wide variety of fields of application.
  • the following list exemplifies some preferred applications, without limiting the invention in any way.
  • Such preferred fields of application are adhesives, sealants, molding compounds, foams, lacquers, paint, coatings, oil additives - such as flow improvers - or inks.
  • molding compositions are, for example, polyesters, polycarbonate, poly (meth) acrylates or polyamide, in which an occurring at elevated temperature retro-hetero-Diels-Alder decoupling in combination with the forming at lower temperature polymer chain linkages one for plastic injection molding advantageous reduced viscosity or first resulting flowability allows only.
  • the polymer chain linkages that re-form at a lower temperature and on cooling improve the mechanical properties of the molded part.
  • the molding compositions may generally be, for example, injection molding or extrusion molding compounds.
  • the chain extension formulations of the present invention when using the chain extension formulations of the present invention, they can thus be heated in the heat above the retro-hetero Diels-Alder temperature - i. in the "open" state in injection molding processes - by the low viscosity of the melt a) finer structures are better mapped, b) produced with lower pressures and / or c) thinner walled parts, but after the recombining show the properties of higher molecular weight polymers ,
  • the formulations according to the invention When using the formulations according to the invention with crosslinking, they can thus be heated in the heat above the retro-hetero-Diels-Alder temperature ie in the "open" state in the first place, for example, the processing methods customary for thermoplastic materials, such as, for example, blow molding, injection molding or extrusion.
  • thermoplastic materials such as, for example, blow molding, injection molding or extrusion.
  • the properties of the crosslinked polymers which can be achieved after the crosslinking show a markedly increased performance, as are known to the person skilled in the art, for example, in the case of polymers crosslinked irreversibly by radiation crosslinking, for example
  • an electrically conductive ink is obtained which, for example, can be processed by bubble jet.
  • compositions which, for example, can soak or moisten porous materials in the de-crosslinked state particularly well and result in highly coherent materials as a consequence of the crosslinking reaction. Similar characteristics are important for adhesives which should have high cohesion and yet readily wet the surfaces of the materials to be bonded.
  • Another application in the field of gluing is, for example, an only temporarily required joint, which can be redissolved later, as it can occur in various production processes, for example in the automotive industry or in mechanical engineering.
  • Another conceivable application is the bonding of components which, over the lifetime of the entire product, have a high probability of replacement, and should therefore be removed as simply as possible and without residue.
  • An example of such an application is the bonding of automotive windshields.
  • a particular example of adhesives or sealants is the use in food packaging, which can be solved automatically during heating, for example in a microwave or open.
  • FDM Fused Deposition Modeling
  • SLS Selective Laser Sintering
  • low-viscosity melt inkjet 3D printing An example of rapid prototyping applications for the cross-linking and de-entangling materials described herein are Fused Deposition Modeling (FDM), Selective Laser Sintering (SLS), or low-viscosity melt inkjet 3D printing.
  • the formulations of the invention may be used as a dispersion for the impregnation of fibrous material, e.g. Carbon fibers, glass fibers or polymer fibers are used.
  • fibrous material e.g. Carbon fibers, glass fibers or polymer fibers are used.
  • the fibers thus impregnated may in turn be used to produce prepregs by known methods.
  • the invention also relates, for example, to emulsion polymers which are cross-linked intraparticularly with the crosslinker molecules of the formulation according to the invention by means of a hetero-Diels-Alder mechanism.
  • the crosslinked polymers can then be wholly or partially dewatered by thermal processing, for example as a composite matrix, by means of a retro-hetero-Diels-Alder reaction and crosslinked again interparticleically upon cooling.
  • thermal processing for example as a composite matrix
  • a retro-hetero-Diels-Alder reaction and crosslinked again interparticleically upon cooling.
  • storage-stable prepregs for composites can be prepared via a second route.
  • other materials which have duroplastic properties at useful temperature but also possess thermoplastic processing properties at higher temperatures can be realized in this way.
  • composite semifinished products When used as a matrix material for continuous fiber reinforced plastics, composite semifinished products with improved processing properties compared to the state of the art are used to produce high-performance composites for various applications in the construction, automotive and aerospace industries , the power engineering (eg in wind turbines) and in the Boat and shipbuilding can be used.
  • the reactive compositions which can be used according to the invention are environmentally friendly, cost-effective, have good mechanical properties, are easy to process and are distinguished by good weather resistance as well as by a balanced ratio between hardness and flexibility.
  • the term composite semi-finished products is used in the context of this invention synonymous with the terms prepreg and organo sheet.
  • a prepreg is usually a precursor for thermoset composite components.
  • An organic sheet is usually a precursor for thermoplastic composites.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Reinforced Plastic Materials (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

L'invention concerne un nouvel agent de réticulation par la réaction d'hétéro-Diels-Alder, son procédé de préparation et son utilisation dans des systèmes polymères à réticulation réversible.
EP17700701.0A 2016-01-29 2017-01-20 Nouveaux agents de réticulation par la réaction d'hétéro-diels-alder et leur utilisation dans des systèmes polymères à réticulation réversible Withdrawn EP3408313A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16153363.3A EP3199575A1 (fr) 2016-01-29 2016-01-29 Nouvel agent de reticulation d'hetero-diels-alter et son utilisation dans des systemes polymeres a reticulation reversible
PCT/EP2017/051158 WO2017129483A1 (fr) 2016-01-29 2017-01-20 Nouveaux agents de réticulation par la réaction d'hétéro-diels-alder et leur utilisation dans des systèmes polymères à réticulation réversible

Publications (1)

Publication Number Publication Date
EP3408313A1 true EP3408313A1 (fr) 2018-12-05

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Application Number Title Priority Date Filing Date
EP16153363.3A Withdrawn EP3199575A1 (fr) 2016-01-29 2016-01-29 Nouvel agent de reticulation d'hetero-diels-alter et son utilisation dans des systemes polymeres a reticulation reversible
EP17700701.0A Withdrawn EP3408313A1 (fr) 2016-01-29 2017-01-20 Nouveaux agents de réticulation par la réaction d'hétéro-diels-alder et leur utilisation dans des systèmes polymères à réticulation réversible

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EP16153363.3A Withdrawn EP3199575A1 (fr) 2016-01-29 2016-01-29 Nouvel agent de reticulation d'hetero-diels-alter et son utilisation dans des systemes polymeres a reticulation reversible

Country Status (11)

Country Link
US (1) US20190016676A1 (fr)
EP (2) EP3199575A1 (fr)
JP (1) JP2019513156A (fr)
KR (1) KR20180111810A (fr)
CN (1) CN108495885A (fr)
BR (1) BR112018015105A2 (fr)
CA (1) CA3009597A1 (fr)
HK (1) HK1259404A1 (fr)
RU (1) RU2018125803A (fr)
TW (1) TW201800390A (fr)
WO (1) WO2017129483A1 (fr)

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TWI686415B (zh) 2016-08-05 2020-03-01 德商贏創運營有限公司 含有噻嗯之聚合物作為電荷儲存裝置之用途
WO2018046387A1 (fr) 2016-09-06 2018-03-15 Evonik Degussa Gmbh Procédé d'oxydation améliorée de groupes aminés secondaires
CN110423447A (zh) * 2019-08-19 2019-11-08 浙江衡昶科技有限公司 一种由改性天然植物纤维、生物基材料补强增韧不饱和聚酯树脂的制备方法
CN112126121B (zh) * 2020-09-03 2021-11-30 合肥飞木生物科技有限公司 一种用不饱和脂肪酸甲酯制取抗寒耐抽出橡胶增塑剂的方法

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BR112018015105A2 (pt) 2018-12-11
CN108495885A (zh) 2018-09-04
KR20180111810A (ko) 2018-10-11
RU2018125803A (ru) 2020-01-13
WO2017129483A1 (fr) 2017-08-03
US20190016676A1 (en) 2019-01-17
JP2019513156A (ja) 2019-05-23
CA3009597A1 (fr) 2017-08-03
TW201800390A (zh) 2018-01-01
EP3199575A1 (fr) 2017-08-02

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