rheovis pu 50 nc basfrheovis pu 50 nc . midshear thickener with medium pseudoplasticity that provides excellent orientation of effect pigments. rheovis pu 50 nc is a nonionic rheology modifier for waterborne coatings that provides structural viscosity. it is a polyurethanepu thickeners coating additives4 rows· pu thickeners. the tego viscoplus product range consists of associative, polyurethane
product newtonian pseudoplastic strong pseudoplastic tego viscoplus 3 highly_recommended not_recommended not_recommended tego viscoplus 3010 highly_recommended not_recommended not_recommended tego viscoplus 3030 not_recommended highly_recommended recommended tego viscoplus 3060 not_recommended highly_recommended highly_recommended see all 4 rows on atino integrated chemicalssome are acrylic based, while others are pu or even mineral based. they not only thicken the formulation, but can also lead to more newtonian or nonnewtonian behavior and prevent sedimentation. request a free sample or a quotation more information about each rheology modifier can be found below. technical data sheets are available for download.influence of the chemical structure of urethanebasedto analyse the parameters that influence the thickening mechanism of waterborne polyurethane adhesives, different hydrophobically modified ethoxylated polyurethane based thickeners (heur) were used. the thickeners were characterized by protonus patent for polyurethanebased thickeners for aqueousthe present invention relates to a process for the preparation of polyurethanes suitable for use as thickeners for aqueous compositions by reacting at an nco/oh equivalent ratio of 0.91 to 1.a) a polyether component having an oh number of 10 to 30 mg koh/g and obtained by the alkoxylation of a mixture ofa1) 30 to 80 mole % of a monofunctional alcohol or alkylphenol having 8 to 30 carbonus0507342a1 polyurethanebased thickeners googlethickeners based on an aqueous preparation of nonionic waterdispersible or watersoluble polyurethanes comprising constituent units provided by (a) at least one polyfunctional isocyanate; (b) at least one polyethercited by 32thickener for water based pu,thickening agent for watermay 06, · + thickener for water based pu + thickening agent for water based pu + thickener for waterborne pu . advantage. excellent rheology; improve film formation; improve flow and leveling; improve mediumshear range viscosity . application. wpu26t25f is an additive with a high thickeninga guide to understanding and mixing thickenersa guide to understanding and mixing thickeners rheology modifiers, commonly referred to as thickeners or viscosifiers, are everpresent in most products. the use of these additives cut across several process industries including food, pharmaceuticals, cosmeticspowdered thickener preparations based on polyurethane andmar 06, 02· the invention relates to a powdered thickener preparation based on polyurethane, which can be incorporated particularly well into waterbased paints and lacquers and into other aqueous systems, and to their use as rheological additives for thickening preferably aqueous systems.a new preformed polyurea thickener for greaseas a preformed thickener for the manufacture of polyurea grease. this novel process presents high flexibility and enables tailored product. nlgi grade 3 grease can be made with .5% thickener loading. the resulted grease also shows enhanced thickening efficiency and shear stabilityrheology modifiers basfour rheovis pu and pe series of associative thickeners stand out as a class of groundbreaking additives based primarily on hydrophobically modified polyether and polyurethane derivatives. these rheology modifiers enable you to create a wide variety of rheological profiles to give waterbased paints and coatings precisely the attributes youa review on waterborne polyurethane textile value chainjun 26, · pu thickener. thickeners are included in coating formulations to bring about certain specific required rheological properties. a coatings rheology influences the properties of the coating during manufacture, storage and application. preparation and properties of polyurethane coatings based on acrylic polyols and trimer of isophorone
we will start soon basfuv and thermostabilization of polyurethane and smpsystems sep 9 10 . exceptional protection of joinery coatings sep 23 24. highly efficient newtonian pu thickenerassociative thickener for waterbased polymer dispersionsnov 28, · associative thickener for waterbased polymer dispersions and paints. a current article focuses on developing a rheological approach to identify a suitable associative thickener (at) for a paint formulation. principally, associative thickeners (at) work by associating with polymer particles present in the paint. source emuck stock.adobe .rheology modifiers selection for paints coatingsrheology modifiers for waterborne and solventbased systems organic rheology modifiers for waterborne paints most organic rheology modifiers are surface active; furthermore, they may be part of the polymeric film matrix during filmformation. this explains, for instance, the excellent coating layer properties like improved appearance, gloss and flow. . the variations regarding the chemicaluse of polyurethane dispersions in pigment printing ofmay 10, · an assessment has been made of the effectiveness of use of aqueous polyurethane dispersions as binders in pigment printing on textile materials based on blends of natural and chemical fibres. the composition of the composite thickening agent has been formulated for optimizing their use.rheology modifier technologiesmunzingnewpolyurethane thickeners can be used over a wide ph range (figure 6). tafigel pur 40 0 0 240 270 300 0 2 4 6 8 10 ph value mpa*s figure 6 influence of the ph value on the viscosity (2% thickener solution in water) polyurethane thickenersfile size 4kbrheovis pu 35 basfrheovis pu 35 . midshear thickener with good lowshear viscosity and moderate contribution to high shear viscosity. rheovis pu 35 is a highly efficient nonionic associative heur thickener designed to impart low shear viscosity with moderate contribution to high shear viscosity in interior and exterior latexbaseda guide to understanding and mixing thickenersa guide to understanding and mixing thickeners rheology modifiers, commonly referred to as thickeners or viscosifiers, are everpresent in most products. the use of these additives cut across several process industries including food, pharmaceuticals, cosmeticswater based thickener manufacturer, water based thickenertaiwan pu corporation is a professional water based thickener manufacturer, water based thickener producer. we supply high quality water based thickener products, have an experienced technical team and offer the best price to water based thickener. water based thickener is called thickener for water based adhesive, thickener for footwearpaints coating additives khaielcombinable with other common thickener types. lucrachem vis 2 pu based associative rheology modifier.(pu preparation in water and isobutanol) suitable for waterbased coatings and paints without negative impact on water resistance, gloss and color appearance of the system. improves viscosity particularly in middle shear range.polymers free fulltext synthesis, characterizationa novel series of biobased polyurethane composite foams was prepared, employing a cellulosederived polyol for chain extension and cellulosecitrate as a thickener additive. the utilized polyol was obtained from the reduction reaction of cellulosederived biooil through the use of sodium borohydride and iodine. primarily, we produced both rigid and flexible polyurethane foams through chainrheology modifiers basfour rheovis pu and pe series of associative thickeners stand out as a class of groundbreaking additives based primarily on hydrophobically modified polyether and polyurethane derivatives. these rheology modifiers enable you to create a wide variety of rheological profiles to give waterbasedpolyurethane dispersion based synthetic leatherspreferred thickeners include an acrylic acid copolymer (acusol 810a, s by the dow chemical company), methocel (a cellulose ether based thickener, s by the dow chemical company) and rm 825 (a polyurethane based thickener, s by dow corning).
associative polyurethane thickeners for waterthey are thickening the aqueous phase. these thickeners show good sagging resistance, but often it is associated with poor flow and high elasticity causing spattering. additionally water resistance is adversely affected; this is especially important for anticorrosion coatings. tafigel pur associative polyurethane thickenerimpact response of shear thickening fluid filledjul 01, · it is clearly found that thickening ratio differs remarkably for each stf concentration and it cannot be correlated to silica nanoparticles content. the increase in the thickening ratio from stf33 to stf40 is a wellknown behavior since the concentration of silica particles is higher in stf40, creating more chunks in case of an applied stress.ashland aquaflow nonionic synthetic associative thickenersaquaflow nonionic synthetic associative thickeners are efficient thickeners for highperformance waterborne paints and coatings. these easytohandle liquids build rheology in paints and coatings through selfassociation and interaction with other ingredients. aquaflow rheology modifiers are based on hydrophobicallymodified polyacetalpolyether (hmpape) chemistry and are designed toformulating with associative rheology modifiersa third thickening mechanism is based on the particleparticle interaction of formula components. the attractive forces between charged species are exploited to provide optimized rheology in a number of applications. thickening through particleparticle interaction is typically due to adsorption phenomenon between specific components ofpolyurethane rheology modifiers for organic compositionsto address this gap, we have developed a novel polyurethanebased oil thickener (oilthickener pu) that provides significant thickening (gelation at <1 wt %) and high clarity in a range of natural oils and synthetic emollients. in this work, the structure, thickening mechanism, and viscoelastic properties of neat oilthickener pu film and oilimpact response of shear thickening fluid filledjul 01, · it is clearly found that thickening ratio differs remarkably for each stf concentration and it cannot be correlated to silica nanoparticles content. the increase in the thickening ratio from stf33 to stf40 is a wellknown behavior since the concentration of silica particles is higher in stf40, creating more chunks in case of an applied stress.associative thickener for waterbased polymer dispersionsnov 28, · associative thickener for waterbased polymer dispersions and paints. a current article focuses on developing a rheological approach to identify a suitable associative thickener (at) for a paint formulation. principally, associative thickeners (at) work by associating with polymer particles present in the paint. source emuck stock.adobe .ep06329a1 polyurethanebased thickening agentsa thickener based on an aqueous preparation of nonionic polyurethane, dispersible or soluble in water, is described. thickeners are produced by reacting a) polyfunctional isocyanates with b)...cited by 10rheology modifiers selection for adhesives and sealantswaterbased applications include polyvinyl acetate and vinyl emulsion systems. the inorganic attapulgite is not water soluble as are other cellulose and organic thickeners used in waterbased systems. therefore, formulations made with attapulgite tend to be less water sensitive. typical usage levels range from 28% by weight.polyurethanebased thickeners henkelassociative polyurethanebased thickeners are linear or branched nonionic polymers with hydrophilic and hydrophobic segments. they are being increasingly used as a substitute for or in addition to the cellulosecited by 32rheovis basfrheovis pu and pe series of associative thickeners stand out as a class of groundbreaking additives based primarily on hydrophobically modified polyether and polyurethane derivatives. rheovis hs and ase are phsynthesis and characterization of waterborne polyurethanedec 24, · the aqueous pu coatings containing hwpu84 or hwpu4 exhibited shearthinning behavior, as shown in fig. 7. figure 8 shows the effect of branching number on thickening property of hwpu. it can be seen that all hwpus had a thickening effect on polyurethane emulsion, and the thickening effect of hwpu8y was better than that of hwpuy