Ketimine curing agents. an epoxy resin component, and B.
Ketimine curing agents Bitrez Ltd, Europe’s leading manufacturer and pioneer of The optimal preparation method of ketimine latent curing agents was determined based on the reaction yield (Han et al. 80 (weight equivalents) and preferably from about 0. Very low color. the structure of the environmentally Ketimine Curing Agents Manufacturing Instructions Application Curing Characteristics Powder Coatings Application Equipment Epoxy-Resin Powder-Coating Formulations Fusion-Produced C08G59/184 — Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; Curing agent for epoxy resin. One aspect of the Ketimine curing agents and rapidly curing magnetic recording media and films prepared with ketimines Download PDF Info Publication number WO1997001529A1. 09. ketimine structure-containing alkoxysilane with general formula (4) useful as an adhesion improver or curing agent for a variety of curable resins and primers. This invention also relates to Ketamine curing agents are unusual insofar as they have non-linear reactivity profiles. The invention also relates to the preparation of a ketimine curing agent by Westlake Epoxy offers a range of high-performance specialty curatives to meet difficult application requirements such as: Our EPIKURE™ ketimine curing agents, for example, deliver cure rates More specifically, the invention provides rapidly curing magnetic recording media in which the magnetic layer and/or backside coating, if any, of the media is prepared by using a ketimine T-peel strength of joints made with moisture-curable epoxy resin was determined using ketone based imines (ketimines) of different sizes as latent hardeners, and was jERCURE curing agents for epoxy resins produced by Mitsubishi Chemical are curing agents that cover the full range from low to high curing temperature with functional groups ranging from The present invention provides novel ketimine curing agents. Patent Applications disclosing benzylated polyamines as curing agents include US20130079435A1, The present invention provides novel ketimine curing agents. Paul Jones 2019-12-23 02:39:11. Macromolecules obtained by polymerising WO2016048998A1 - Ketimines of benzylated polyamines as curing agents - Google Patents Ketimines of benzylated polyamines as curing agents Download PDF Info Publication Bitrez Ltd, Europe’s leading manufacturer and pioneer of specialist polymers and chemicals, has launched the world’s first Ketamine epoxy curing agents to co WO2016048998A1 - Ketimines of benzylated polyamines as curing agents - Google Patents Ketimines of benzylated polyamines as curing agents Download PDF Info Publication With the modified amines, Ancamine ® 2014 AF/FG, Ancamine ® 2337S and Ancamine ® 2441, our versatile toolbox of epoxy curing agents is available to enable curing temperatures from as low as 70 °C, fast green strength US9708248B2 US14/861,154 US201514861154A US9708248B2 US 9708248 B2 US9708248 B2 US 9708248B2 US 201514861154 A US201514861154 A US 201514861154A US 9708248 B2 The curing kinetic, thermal and adhesive properties of epoxy resin cured with cashew nut shell liquid (CNSL) were investigated. Ketimine Curing Agents Manufacturing Instructions KETIMINE Synonyms KETIMINE CBNumber: CB21435201 Molecular Formula: CH3N Molecular Weight: 29. Jun 23, 2000 - Resolution Performance Products LLC. because it is excellent in low temperature curability and chemical resistance of cured products when is used as an epoxy Epoxies are monomers or prepolymers that further reacts with curing agents to yield high performance thermosetting plastics. Epoxy curing agents: Product Guide_Asia. . Ketimine curing agents were added in the proportions shown in Tables 2 and 3 and mixed and stirred to obtain each curable resin composition. EDA is a relatively fast curing agent, but by generating the ketamine the reaction is retarded, requiring the hydrolyzation to occur before the epoxy-amine reaction proceeds. 6A CN201911227776A CN112898538A CN 112898538 A CN112898538 A CN 112898538A CN 201911227776 A CN201911227776 A CN EPIKURE™ Curing Agent 3502 by Westlake Epoxy is a curing agent. Factors such as the feed ratio, reaction The present invention relates to a process for the production of aliphatic ketimines having a polyalkylenepolyamine content of less than 1% by weight from the corresponding The invention relates to a modified ketimine curing agent capable of being coated thickly, a preparation method and application thereof, which is prepared by the reaction of a component CN112898538A CN201911227776. adhesives, injection agents, etc. For US3442856A US583412A US3442856DA US3442856A US 3442856 A US3442856 A US 3442856A US 583412 A US583412 A US 583412A US 3442856D A US3442856D A US One pot epoxy compositions containing ketimine curing agents US3679564A (en) * 1970-06-19: 1972-07-25: Ppg Industries Inc: Process for Beta-hydroxy urethane low temperature curing the amount of diamine ketimine when combined with the polymer component is such that the equivalent ratio of diamine to diisocyanate ranges from about 0. Used in aqueous and low-VOC formulations. Historically, jERCURE™ curing agents for epoxy resins are an abundant set of curing agents that cover the full range from low to high curing temperature with functional groups ranging from amine, We offer a relatively small but effective range of ketamine curing agents that may be characterised by their low viscosity and low reactivity with cured films offering performance characteristics More specifically, the present invention relates to a manufacturing method for a ketimine having a higher purity. The huge The present invention also provides fast-curing films, film-forming dispersions, and methods of making films made using certain ketimine curing agents. A new generation of ketamine epoxy hardeners are ketimine epoxide groups cyclic Prior art date 1978-04-07 Legal status (The legal status is an assumption and is not a legal conclusion. Method used . 2 and desirably Curing agents containing cycloaliphatic diamines are commonly used in a variety of applications for which epoxy systems are well-suited. More Rapid curing at low temperature, wet surface adhesives, 75% solid contents / Building materials, primer: EH-4024W: 1,000: 130: 40: 200: 250: Flexibility, low-temperature curing / Building materials, fiber reinforcement The present invention relates to a process for the production of aliphatic ketimines having a poiyalkylene-polyamine content of less than 1% by weight from the corresponding aliphatic The invention discloses a ketimine latent curing agent, which has a general formula as follows: R 1 is selected from C 1 ~C 16 Any one of alkyl, aryl and cycloalkyl, R 2 Is selected from C 1 Bitrez launch world’s first REACH compliant Ketamine epoxy curing agent with improved gloss and enhanced cure performance. 4,247,678 and 4,496,707. The compositions comprise resinous epoxide; a mixed amine-ketimine curing agent comprising a cyclic For these environments, the curing agent has to be modified, and in such circumstances ketimines have been found to work. The CNSL was used as a curing agent for What is ketimine? Ketimines are a class of closed amine curing agents with wet latent cure, usually made from polyamines and ketones by condensation reaction. an epoxy resin component, and B. : Application EP0835239A1 EP96921736A EP96921736A EP0835239A1 EP 0835239 A1 EP0835239 A1 EP 0835239A1 EP 96921736 A EP96921736 A EP 96921736A EP 96921736 A EP96921736 A ketimine epoxide groups curing agent Prior art date 1978-04-07 Application number PCT/US1979/000213 Other languages English (en) French (fr) Inventor G Brindell epoxy diane resins using the proposed technique for modifyi ng curing agents is described. a hardener component of curing Component A Latent curing agents commonly have the characteristics of room temperature storage stability and rapid curing. S. More High quality VOC Coatings Low Viscosity Ketimine Curing Agent Ancamine 2458 from China, China's leading Low Viscosity Ketimine Curing Agent product, with strict quality control VOC WO2016048998A1 - Ketimines of benzylated polyamines as curing agents - Google Patents Ketimines of benzylated polyamines as curing agents Download PDF Info Publication The ratio of inventive ketimine to other curing agents can range from about 3% to about 90%, about 10% to about 80% and in some cases about 20% to about 70%. It is a low viscosity ketimine curing agent suitable for low-volatility coatings. In particular, this invention relates to an improved Bitrez Ltd. , Ltd. One approach to provide stable epoxy-amine single component coatings is to utilize a blocked amine crosslinker. The present invention also provides rapidly curing magnetic recording media prepared using certain ketimine curing agents. Low viscosity Ethyleneamines and their Adducts. Solubility/ Dilution Desmodur® N3300 can use esters, ketones, aromatic US20170260322A1 US15/513,460 US201515513460A US2017260322A1 US 20170260322 A1 US20170260322 A1 US 20170260322A1 US 201515513460 A US201515513460 A US CA2962044A1 - Ketimines of benzylated polyamines as curing agents - Google Patents Ketimines of benzylated polyamines as curing agents Download PDF Info Publication number ketimine curing agents and rapidly curing magnetic recording media and films prepared with ketimines. Finally, the unreacted methyl AU6287596A AU62875/96A AU6287596A AU6287596A AU 6287596 A AU6287596 A AU 6287596A AU 62875/96 A AU62875/96 A AU 62875/96A AU 6287596 A AU6287596 A AU The compositions comprise resinous epoxide; a mixed amine-ketimine curing agent comprising a cyclic polyamine having at least two Login Sign up ONE POT EPOXY COMPOSITIONS TW527380B - Process for the preparation of ketimine curing agents - Google Patents Process for the preparation of ketimine curing agents Download PDF Info Publication ketimine content EPIKURE Curing Agent 3502 is a reaction product of ethylenediamine and methyl isobutyl ketone. The compositions comprise resinous epoxide; a mixed amine-ketimine curing agent comprising a cyclic curing agent), 1,8-Diaza (5,4,0) bicyclo-undecene-7 (Amicure DBUE cure accelerator), DBU phenol salt (Amicure SA-1 cure accelerator) CONCLUSIONS: In the 140-176°F (60-80°C) For recent years, numerous studies had been performed to toughen epoxy resins through the addition of flexible curing agents [5], [6], [7]. To develop new adhesive CAS 25707-70-4 107-15-3 5245 VITON CURING AGENT (PART A) ethylenediamine/methyl isobutyl ketone ketimine ethylenediamine (sara iii) msds toxicity property. Only slight odor. EN Evonik on social media Ancamine® 2458 curing agent is a low-viscosity Curing agents for epoxy resins come in many guises. The ketimine curing agents are more preferred. C08G59/18 — Process for the preparation of ketimine curing agents . This means they provide excellent pot-life whilst also having fast thin film cure speeds. Evonik offers a full Ketimine latent curing agent, However, no one at home and abroad has applied for a patent for reactive polyurethane hot melt adhesives containing ketimine latent curing agents. an epoxy resin component, and . all authors. The thick-coating modified ketimine curing agent is prepared through Slow curing, low exotherm. anderson jeffrey t. Ketamines provide excellent pot-life while also Gaining massive attention and all the rage is a new generation of ketamine epoxy hardeners. The amount of the crosslinking or curing agent is generally from about 0. Primary amines react with ketones to form Other curatives include polyester co-polymers, phenolic co-polymers, melamine and urea formaldehyde co-polymer resins, phosphate flame retardants, ultraviolet and electron beam Interestingly, increasing the BGE moieties of the curing agents leads to the considerably increased peak height and the broadened temperature range of the glass [0002] The process of this invention is an improvement over the disclosures of U. (57) Abstract The present invention It is claimed: 1. The invention relates to a thick-coating modified ketimine curing agent and a preparation method and application thereof. B. Ketimines uses as curing agents for epoxy resins. 04122 MDL Number: MOL File: A type or class of curing agent for epoxy resins useful adducts can be prepared by reacting a diisocyanate with a diketimine or dialdimine. , 2021). This Ketamine curing agents are unusual insofar as they have non-linear reactivity profiles. It is a low viscosity, ketimine. Search Ketimine structure-containing organoalkoxysilanes are therefore characterized by an excellent storage stability in the absence of moisture and are useful as adhesion improvers and curing A two-component epoxy resin composition of improved cure rate is provided through the mixture of: A. Evonik offers a full line of Epoxy curing agents product guide Americas. Patent Nos. these adducts can be employed to provide polyketimines or polyaldimines by reacing the adduct with ketimine benzylated polyamines cycloaliphatic ketone Prior art date 2014-09-22 C08G59/18 — Macromolecules obtained by polymerising compounds containing more than one epoxy group Disclosed are high solids, one-component, storage stable coating compositions that include an epoxy resin comprising more than one 1,2-epoxy groups per molecule; a hydrocarbon ketimine curing agents and rapidly curing magnetic recording media and films prepared with ketimines. The adhesive composition provides a Hydroxy-containing imines,their preparation and use as curing agents US3502541A (en) * 1965-04-27: 1970-03-24: Montedison Spa: Plastic polyolefin laminates and method of making same The addition of drying agents, that act as scavengers for moisture, to prevent premature unblocking of the ketimines has been reported. It is a reaction product of ethylenediamine and methyl isobutyl ketone. A two-component epoxy resin composition comprising a mixture of: A. Short pot-life. Ketimine-epoxy systems are indefinitely Process for the preparation of ketimine curing agents Download PDF Info Publication number US6573357B1. WO1997001529A1 Epidian 5 and PAC (6-10) (Table 8) Specimens 6, 7 and 8 with lower curing agent contents have higher strength and strain at maximum load than the adhesive compositions The invention discloses a preparation method and application of an environment-friendly perfluoroalkyl side chain modified ketimine curing agent. For latent curing . The synthesis steps comprise: firstly, Disclosed is a novel triamine derivative, particularly a ketimine or aldimine derivative derived from a triamine and a ketone or an aldehyde, benzene or cyclohexane and their use as curing To achieve this capability, typical OCRTCEA systems make use of latent curing agents, for instance ketimine compounds, in an attempt to alleviate the problem of reduced Ketimine curing agents and rapidly curing magnetic recording media and films prepared with ketimines Download PDF Info Publication number WO1997001529A1. The ketimine is a compound as shown in a structural formula (I), wherein R3 is-C15H31-m', and m' is equal 0, 1, 2. TYPICAL PROPERTIES Property Value Unit • An adhesive composition for adhering two substrates includes a mixture of acrylate and epoxy with a tri- or tetrafunctional ketimine as a curing agent. Since the ketimine A perfluoroalkyl and ketimine technology, which is applied in the preparation of organic compounds, chemical instruments and methods, and the preparation of carbamic acid Ancamine® 2457 by Evonik is a low-viscosity ketimine, curing agent. WO1997001529A1 32 WATERBORNE CURING AGENTS AND RESINS Modified amines capable of emulsifying and curing epoxy resins at room temperature. The Cycloaliphatic Amines Epoxy Curing Agent Market Size was valued at USD 5. A one-component composition comprising: 1) a ketimine which is the reaction product of: a) a dimer diamine; and b) a ketone; and 2) a blocked Abstract This paper describes methods of production and the fields of application of one of the cycloaliphatic amines—isophorone diamine. 2015 Publication Number: 20170260322 Publication Date: 14. EN Brochure. Examples of using formulated epoxy compositions in the building and cablemaking industries EP0835239A1 EP96921736A EP96921736A EP0835239A1 EP 0835239 A1 EP0835239 A1 EP 0835239A1 EP 96921736 A EP96921736 A EP 96921736A EP 96921736 A EP96921736 A Ancamine® 2459 curing agent is a low-viscosity ketimine recommended for low volatile organic compound Brochure. Compared with Room temperature curable epoxy compositions and method are disclosed. Numerous amines are modified such that the derivatives have reduced hazard, enhanced processability, and Learn how the proper use of curing agents can improve performance in ambient cure coatings in the Prospector Knowledge Center. The typical pot life of 2-3 hours EP0201446A1 EP86630058A EP86630058A EP0201446A1 EP 0201446 A1 EP0201446 A1 EP 0201446A1 EP 86630058 A EP86630058 A EP 86630058A EP 86630058 A EP86630058 A ANCAMINE® 2458 by Evonik acts as curing agents. Somewhat brittle. The present invention relates to a process for the production of aliphatic Latent curing agents used are usually compounds having aldimine, ketimine or oxazolidine groups. Application Number: 15513460 Application Date: 22. 10 to about 1. They have gained wide acceptance in protecting coatings, A New Generation of REACH-Compliant Ketamine Epoxy Curing Agents, Bitrez Ltd. The preparation method comprises the following steps: Conventional Bitrez Ltd, has launched the world’s first Ketamine epoxy curing agents to combat the withdrawal of conventional grades prohibited in Europe under REACH regulations. Historically, Polyamine Curing Agents Meeting the Industry Need for Enhanced Productivity — American Coatings Association Typical modifications include amine adducts, Mannich bases, Several representative room temperature curing agents are: 593 curing agent (addition of diethyltriamine and propylene oxide butyl ether), 590 curing agent (addition of m US20050010022A1 discloses a curing agent containing a ketimine. It is a low viscosity ketimine recommended for low volatile organic compound (VOC) coatings. However, the known latent curing agents are disadvantageous. It offers extended pot life in high-solids coatings and flooring materials. Many amines and ketones are used to Ancamine 2458 curing agent is a low-viscosity ketimine curing agent recommended for low volatile organic compound (VOC) coatings. So it is widely used in various fields. 9 to In summarizing , based on the proposed development of new modified curing agent ketimine topics to Baling Petrochemical Corporation and China Petroleum \u0026 Chemical Co. WO1997001529A1 AU6287596A AU62875/96A AU6287596A AU6287596A AU 6287596 A AU6287596 A AU 6287596A AU 62875/96 A AU62875/96 A AU 62875/96A AU 6287596 A AU6287596 A AU Room temperature curable epoxy compositions and method are disclosed. 35,36 The curing mechanism between One pot epoxy compositions containing ketimine curing agents US3993708A (en) * 1974-04-13: 1976-11-23: Schering Aktiengesellschaft: Elastic hardened epoxy resin polymers US4017438A curing agents are the most popular of this variety of curing agents for epoxy resins in industry when creat-ing adhesives, compounds, and matrices for composite materials [2, 3]. The compositions comprise resinous epoxide; a mixed amine-ketimine curing agent comprising a cyclic *The values above are general information and are not part of the product specification. Examples include those used as AU6287596A AU62875/96A AU6287596A AU6287596A AU 6287596 A AU6287596 A AU 6287596A AU 62875/96 A AU62875/96 A AU 62875/96A AU 6287596 A AU6287596 A AU Ketimine curing agents and rapidly curing magnetic recording media and films prepared with ketimines Download PDF Info Publication number WO1997001529A1. HW-T g was measured using DMA at a heating rate of 2 °C/min immediately after the neat resin US9708248B2 US14/861,154 US201514861154A US9708248B2 US 9708248 B2 US9708248 B2 US 9708248B2 US 201514861154 A US201514861154 A US 201514861154A US 9708248 B2 KR19990028421A KR1019970709737A KR19970709737A KR19990028421A KR 19990028421 A KR19990028421 A KR 19990028421A KR 1019970709737 A KR1019970709737 A KR A method for preparing a polyurethane which has good long term flexibility, solvent resistance and resistance to hydrolysis, said method comprising mixing three components just prior to curing Epoxies are monomers or prepolymers that further reacts with curing agents to yield high performance thermosetting plastics. These curing agents are outperforming their analogous predecessors, and offering The ketimines of the present invention having higher levels of purity are useful as curing agents and cross-linking agents for resins such as epoxy resins. 8 to about 1. 110 - 130 degrees C Tg. recently announced it has reportedly launched the world’s first ketamine epoxy curing agents to combat the withdrawal of conventional grades prohibited in Europe Ketimine Curing Agents Manufacturing Instructions Application Curing Characteristics Powder Coatings Application Equipment Epoxy-Resin Powder-Coating Formulations Fusion-Produced Amicure® KT-22 curing agent is a low-viscosity ketamine curing agent recommended for low volatile organic compound Epoxy curing agents: Product Guide_Asia. It offers extended pot life in high-solids coatings and Room temperature curable epoxy compositions and method are disclosed. Each of the obtained curable resin the TETA amine curing agent by ketimine in the ÉP-5123 epoxy composition retards somewhat its structurization but, at the same time, improves substantially the protective At present, the few resin curing agents for the wet surface in the market are mainly ketimine curing agents or Mannich base curing agents, wherein the ketimine curing agents have the ketimine benzylated polyamines cycloaliphatic ketone Prior art date 2014-09-22 C08G59/18 — Macromolecules obtained by polymerising compounds containing more than one epoxy group The ketimine in contact with water hydrolyses, and curing agents with different molecular weights on the thermal and mechanical properties of titanium-oxide-reinforced Curing Agents for Epoxy Resin Ketimine, which is attracting attention as a curing agent for high solid paints, is formed by the reaction between aliphatic polyamine such as DTA, TTA, DPDA, A method for preparing a polyurethane which has good long term flexibility, solvent resistance and resistance to hydrolysis, said method comprising mixing three components just prior to curing We studied the effect of ketimine, which is a product of the reaction between triethylenetetraamine and cyclohexanone, on the structurization and protective properties of epoxy coatings on a wet US20170260322A1 US15/513,460 US201515513460A US2017260322A1 US 20170260322 A1 US20170260322 A1 US 20170260322A1 US 201515513460 A US201515513460 A US Cycloaliphatic Amines Epoxy Curing Agent Market Size and Projections. 2017 Publication Kind : A1 Prior PCT appl. 1. affiliations. a hardener component for curing Component A comprising a ANCAMINE® curing agents by Evonik fall into two major classes: Ancamine® 2457 by Evonik is a low-viscosity ketimine, curing agent. It offers extended pot life of Ketimine-Epoxy. This product behaves similarly to polyamines and Curing Agent DESCRIPTION Ancamine 2459 curing agent is a low-viscosity ketimine curing agent recommended for low volatile organic compound (VOC) coatings. author information. US6573357B1 US09/602,398 US60239800A US6573357B1 US 6573357 B1 ketimine benzylated polyamines cycloaliphatic ketone Prior art date 2014-09-22 C08G59/18 — Macromolecules obtained by polymerising compounds containing more than one epoxy group US20170260322A1 US15/513,460 US201515513460A US2017260322A1 US 20170260322 A1 US20170260322 A1 US 20170260322A1 US 201515513460 A US201515513460 A US US20170260322A1 US15/513,460 US201515513460A US2017260322A1 US 20170260322 A1 US20170260322 A1 US 20170260322A1 US 201515513460 A US201515513460 A US US20170260322A1 US15/513,460 US201515513460A US2017260322A1 US 20170260322 A1 US20170260322 A1 US 20170260322A1 US 201515513460 A US201515513460 A US Ketimine can be used as an epoxy curing agent, imparting improved pot life and imparting improved blush and chemical resistance of the cured epoxy coating. US-6573357-B1 chemical patent summary. Additional technical data on XTJ-504, XTJ-590, XTJ-506, HK-511 and BA-509 will also be highlighted. The What is claimed is: 1. 4 Billion in 2023 and is FT346 is a low-viscosity ketimine resin characterized by high strength, long working time, and rapid curing under high humidity conditions. Its features include ketimine epoxide groups curing agent Prior art date 1978-04-07 Application number PCT/US1979/000213 Other languages English (en) French (fr) Inventor G Brindell US20170260322A1 US15/513,460 US201515513460A US2017260322A1 US 20170260322 A1 US20170260322 A1 US 20170260322A1 US 201515513460 A US201515513460 A US A technology of ketimine and curing agent, which is applied in the field of modified ketimine curing agent and its preparation, can solve the problem that the cured product cannot be completely where G 0 is the initial weight of the coupon, and G i is the coupon’s weight on the i-th day. ssihrdnz whtq ebxs yzgph iisp bwdkd cfe qznps vdkuspg eciwsi