Thixotropy is the property of certain gels or fluids that are viscous thick under normal conditions, but flow become thin, less viscous when shaken, agitated, or otherwise stressed in more technical language. A wide variety of thixotropic agents options are available to you. Thixofropic agent to control nuidity of coating materials. Thixotropy is the property of certain gels or fluids that are viscous thick under normal conditions, but flow become thin, less viscous when shaken, agitated, or otherwise stressed. A popular and widely used thixotropic agent is fumed silica, also known as amorphous fumed. Certain gels or fluids that are thick or viscous under static conditions will flow become thinner, less viscous over time when shaken, agitated, shearstressed, or otherwise stressed time dependent viscosity. The viscous nature of our adhesives can be modified through the use of fillers and regulation of the curing temperature to best suit your application needs. Kemperol 2kpur waterproofing and kempertec ep ep5 primer. Pdf on dec 16, 2015, arian velayati and others published the effect of thixotropic agents in prevention of gas migration through cement slurries find, read and cite all. A thixotropic agent for organic solventbased surfacecoating compositions is the product of the reaction of a polypentaerythritol component comprising tripentaerythritol with a saturated aliphatic monocarboxylic acid component comprising acids having 20 to 22 carbon atoms in amounts that provide from 0. Further notes on working, system construction and maintenance of the listed products can be found in the latest technical data sheets and the remmers system recommendations.
Different viscosities can be attained by varying the amount of thi. Thixotropic fluids thixotropic fluids have a viscosity that is a function of time. Thixotropic coating agents based on urea adduct of. Thivex silicone thickener is a liquid additive made especially for thickening smoothons mold max series tin catalyst, smoothsil series platinum catalyst rebound 25 platinum catalyst and dragon skin series platinum catalyst silicone for vertical surface application making brushon molds. Thixo agent ac a thixotropic additive quantum silicones. The thixotropic agent of claim 1, wherein said carrier material is a polyol with an ohvalue of less than 28 mg kohg or a mw per ohgroup of greeter than 2000. Aug 31, 2004 thixotropic casting is a specialised form of solid slip casting, involving highly thixotropic slips of very high solids loadings, a technique that has been used in the refractories industry. A good example of a highly thixotropic liquid is mayonnaise.
The top countries of suppliers are india, china, from which the percentage of thixotropic agent supply is 1%, 98% respectively. The higher the solids loading, the more pronounced is the thixotropy, to the limiting point beyond which gelation cannot be reversed by vibration. Active, expires 20290116 application number us11988,074. Thixotropy is a timedependent shear thinning property. They then take a fixed time to return to a more viscous state. The specimens were polymerized in a dry heat oven for 1 hour at 90c. Wo2007000335a1 a polyurea product as thixotropic rheology. Sylothix an asbestosfree, highly efficient thixotropic or. Kemco tx thixotropic agent reduces selflevelling and prevents running on ramps and inclined surfaces.
Typesandperformancecharacteristicsofthixotropicagents. May 10, 1983 a thixotropic coating agent according to claim, said monoalcohol containing at least 8 carbon atoms. Mayonnaise has a high viscosity when stirred slowly but a much lower viscosity when stirred quickly. Development of a 3d printable maxillofacial silicone. Thixotropic adhesives generally refer to thick pastelike adhesives whose viscosities can be changed when shaken, agitated or otherwise stressed. A thixotropic coating agent, more especially a binder or coating composition, based on a mixtrue of conventional bindercontaining systems, optionally in admixture with liquid solvents or diluents, and a thixotropizing agent containing urea groups, wherein the thixotropizing agent is, in part at least, a urea adduct obtained by reacting a primary and, optionally.
Arturo thixotropic agent is a high end thixotropic agent based on polyethylene. The present invention relates to a novel thixotropic agent. Thixotropic agents rheologyviscosity modifiers polymer. Thixotropy simple english wikipedia, the free encyclopedia. Additive, defect phenomenon, thixotropic agent, antisetting, antisagging t 11. It is used when working on vertical surfaces and improves the thixotropic behaviour of.
Effect of thixotropic agents as additives on the mechanical. Thixo agent ac when used with silica filled platinum cured silicone elastomers will cause the material to exhibit nonslump behavior at a thickness of 0. Viscositymodifying agents vma typically increase thixotropy. A thixotropic agent comprising a first polyurea reaction product of a first polyisocyanate with a first amine and a second. Pdf the effect of thixotropic agents in prevention of gas. A popular and widely used thixotropic agent is fumed silica, also known as amorphous fumed silica or colloidal silica and sold under the tradenames of cabosil cabot corp. It is a highly efficient thixotropic or thickening agent for liquids and pastes and used in the following systems. Kemco tx thixotropic agent supports our surfacing systems kemperdur ac and kemperdur tc for inclinations of between 3 and 20%. About 28% of these are plastic auxiliary agents, % are oxide, and 15% are petroleum additives. Us201007453a1 polyurea product as thixotropic rheology. Thixotropic agent mitsui petrochemical industries, ltd. They both play a large role on how a product will perform for a particular application. Pdf thixotropic property in pharmaceutical formulations eduardo. D111 is a liquid thixotropic additive that helps manage lost circulation during cementing from offshore platforms or any other location where the handling of solid additives is impractical.
Product data sheet codex bst 40 l, 50 r pdf, 253 kb download. Application areas as a thixotropic agent for the surfacing systems kemperdur ac and kemperdur tc for inclinations of between 3 and 20%. The magnitude of the viscosity of thixotropic fluids is dependent on the microstructure, in. A thickening agent or thickener is a substance which can increase the viscosity of a liquid. Producer of rheological additives thixotropic agents. The thixotropic agent of claim 7, wherein said polyol is liquid at a temperature of about 20 c. Producer of thixotropic agents based on attapulgite.
Viscosity is a measurement of a fluids resistance to flow and is measured in poise or more commonly centipoise cps. Us4421565a thixotropic agents for organic solventbased surface. Some nonnewtonian pseudoplastic fluids show a time. A thixotropic agent for organic solventbased surfacecoating compositions that is the product of the reaction of a a polypentaerythritol component that contains at least 70% by weight of tripentaerythritol and more than 90% by weight of tripentaerythritol and higher polypentaerythritols with b a saturated aliphatic monocarboxylic acid component that contains at. Thixotropic casting as a technique for producing ceramic. As a thixotropic agent for the surfacing system kemco decor stone natural stones and for vertical application. Us8207268b2 polyurea product as thixotropic rheology. The amount of thixotropic agent used depends on the temperature of the material and air, and the method of incorporation. Pdf on dec 16, 2015, arian velayati and others published the effect of thixotropic agents in prevention of gas migration through cement slurries find, read and cite all the research you need. Pdf thixotropyenhancing agent a key component to reduce. Thixotropic compositions comprising a solution of a urea urethane having the formula as hereinafter set out dissolved in a polar aprotic solvent containing 0.
Pdf the effect of thixotropic agents in prevention of. It is desirable that some kinds of compositions used in the form of a highly viscous liquid or a paste such as paints, sealing material or caulking material generally called patching compound and adhesives have fluidity or plasticity higher at the time of. Different viscosities can be attained by varying the amount of thivex. Others act as mechanical thixotropic additives with discrete particles adhering or interlocking to. Authority us united states prior art keywords thixotropic agent polyurea reaction product agent according amine prior art date 20050628 legal status the legal status is an assumption and is not a legal conclusion. Thixotropic coating agents based on urea adduct of polyamine. Baerlocher gmbh manufacturer of thixotropic agents. Byk 7410 et by byk altana group is a solution of a modified urea. Thixotropic agent for thickening smoothon silicone rubbers thivex silicone thickener is a liquid additive made especially for thickening smoothons mold max series tin catalyst, smoothsil series platinum catalyst rebound 25 platinum catalyst and dragon skin series platinum catalyst silicone for vertical surface.
Rheobykh 600 vf vocfree associative thickener heat for aqueous systems to generate a. Turbulent pipe flow of thixotropic fluids citeseerx. A thixotropic fluid is a fluid which takes a finite. Coelan thixotropic agent is added to coelan liquid synthetic materials and coelan filler systems if these are to be used on vertical surfaces such as connections to walls or balcony fronts to improve the thixotropic behaviour. A thixotropic agent comprising a first polyurea reaction product of a first polyisocyanate with a first amine and a second polyurea reaction product of a second polyisocyanate with a second amine different from the first polyurea reaction product precipitated in the presence of the colloidal particles of the first reaction product. A wide variety of paint thixotropic agent options are available to you, such as grade standard. Buy thivex silicone thickener thixotropic agent for. It also enables the vertical application of our surfacing system kemco decor stone. The mold was filled carefully to minimize trapped air. Thixotropic agents for organic solventbased surfacecoating. Property thixotropic agent dt 5039 basis magnesium silicate appearance voluminous powder bulk density 100 150 gl moisture content ca. Google has not performed a legal analysis and makes no representation as to.
Liquid rheology additive to generate thixotropic flow behavior in aqueous and highly polar systems to improve the antisagging and antisettling properties. The thixotropic agent of the present invention using the polyolefin synthetic pulp can be incorporated in any object after added with, or simultaneously with various additives as occasion demands. Us201007453a1 us11988,074 us98807406a us20107453a1 us 201007453 a1 us201007453 a1 us 201007453a1 us 98807406 a us98807406 a us 98807406a us 20107453 a1 us20107453 a1 us 20107453a1 authority us united states prior art keywords polyurea thixotropic agent reaction product amines rpm prior art date 20050628. Thixotropic agents for organic solventbased surface. Thixotropy and the observed variation in viscosity is caused by the microstructure of the fluid. Us6548593b2 us09846,293 us84629301a us6548593b2 us 6548593 b2 us6548593 b2 us 6548593b2 us 84629301 a us84629301 a us 84629301a us 6548593 b2 us6548593 b2 us 6548593b2 authority us united states prior art keywords carrier material thixotropic agent groups urea compound polyol prior art date 20000502 legal status the legal status is an. Because it can be easily used with any portland cement, d111 improves performance and reliability as compared with conventional thixotropic additives that. Arturo thixotropic agent is suitable for application in following epoxy and polyurethane selfsmoothing floors. The thixotropic agent of claim 7, wherein said carrier material is a polyol with an ohvalue of 6000, respectively. Thixotropic casting is a specialised form of solid slip casting, involving highly thixotropic slips of very high solids loadings, a technique that has been used in the refractories industry. This aspect of thixotropy is known as shear rejuvenation in the physics community, where it is the subject of intensive research e. A wide variety of thixotropic agent options are available to you, there are 106 suppliers who sells thixotropic agent on, mainly located in asia.
Thixofropic agent to control nuidity of coating materials keyword. Use of thixotropyenhancing agent to reduce formwork. Productdatasheet arturo antislip agent pdf, 269 kb download. Arturo ep2500 selfsmoothing floor arturo pu2060 selfsmoothing floor arturo pu2030 selfsmoothing floor. Viscosity and thixotropic index 3 viscosity and thixotropic index ti are common terminology used to describe the rheology of an epoxy. After vulcanization, the molds were separated, and a surgical blade was used to remove excess material. A thixotropic coating agent as claimed in claim 6, wherein the quantity of diisocyanate is limited in such a way that said amino groups of the polyamine are present in a stoichiometric excess over the isocyanate groups from the diisocyanates. Rheobyk425 liquid, vocfree rheology additive for aqueous systems to set the incan viscosity and to improve the antisagging and antisettling properties. Arturo thixotropic agent flooring systems special products. Thixotropy is how much body or fluffiness there is in a material. Additive, defect phenomenon, thixotropic agent, antisetting, antisagging t. For the silicones with added thixotropic agent, a thixotropic agent 0. The thixotropic agent of claim 7, wherein said carrier material is a polyol with an ohvalue of less than 10 mg kohg or a m w per ohgroup of greater than 6000.
Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed. Product data sheet arturo thixotropic agent pdf, 300 kb download. About 3% of these are plastic auxiliary agents, 0% are oxide, and 3% are petroleum additives. This additive can be used at a 1% level with a qm 100 series base or at a 10 % level when used with qm cat blue or qm cat purple. Paints and coatings thickening, thixotropic agent, antisedimentation, in powder coating systems, additional optimization of flow and electrostatic application properties adhesives and sealants thickening, thixotropic agent, antisedimentation, processing auxiliary, adhesion improver insulating gels thickening, thixotropic agent, water repellency. In thixotropic samples the aging effects can be reversed by flow.
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