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associative vs non associative thickeners

Shear thickening in aqueous surfactant associative

Shear thickening in aqueous surfactant associative thickener mixtures Article in Journal of Coatings Technology and Research 8(3)299 309 · May 2011 with 167 Reads DOI 10.1007/s11998 011 9320 7

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How to get the best out of hydrophobically associative

Thickening ability, to achieve a given viscosity lower concentration required OR lower molecular weight potentially better mechanical stability Viscosity vs. salinity viscosity (Pa.s) concentration (g/mL) Associative Non associative Strong adsorption on surfaces (well treatment) non associative monolayer associative "multilayer" (*)

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Part A THE USE OF NONIONIC ASSOCIATIVE POLYMERS FOR

interaction between nonionic associative thickeners and surfactants proved to be dependent on surfactant type as well as hydrophobe shape and size on the associative thickener. There appeared to a clear effect of salt on the thickening and emulsifying capabilities of the nonionic associative polymers but the exact interaction was not yet

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Associative thickeners for aqueous systems OPTIFLO

OPTIFLO Associative thickeners for aqueous systems Our detailed product pages provide you with all relevant in depth information on a single page.

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Rheology Modifiers Rheology Polymers

Water borne Rheological additives Associative Thickeners THICKENING MECHANISM latex particle flower micelle in water in a latex polymer AG 0706 . Water borne Rheological additives CONVENTIONAL versus ASSOCIATIVE THICKENER IN A LATEX Conventional thickener Associative thickener AG 0706 .

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Associative thickeners their adsorption behaviour onto

Hydrophobic entities of the associative thickener can adsorb onto the surface of the latex particles, providing additional junction points for the three dimensional network formed by the associative thickeners in water [4,8,22,25 11 ,S'vanhohn et al. /Progres~ in

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Advances in Polymers for Hair Coloring

Non associative thickeners help in achieving hair lightening. This article surveys patents and technical literature, principally from the past 10 years, to report advances in polymers for hair coloring. Oxidation dyes are made up of dye precursors (such as ortho and paraphenylenediamine, or ortho and paraamino phenols). The dye precursors are

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FORMULATING WITH ASSOCIATIVE RHEOLOGY MODIFIERS

Associative thickeners may provide viscosity to a compound by all three of the thickening mechanisms discussed above. The HDV mechanism is activated at alkaline pH, domains are formed by the association of the pendent associative monomers with one another and with other hydrophobic substances in the compound, and the particle particle

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Associative thickeners for aqueous systems OPTIFLO

OPTIFLO Associative thickeners for aqueous systems Our detailed product pages provide you with all relevant in depth information on a single page.

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ACRYSOL Rheology Modifiers Product Solutions Guide

rheology modifiers also thicken via hydrophobe association. This mechanism, known as associative thickening, offers performance properties over a wider range of shear levels and facilitates a wider range of rheology profiles than is possible with volume exclusion thickeners such as ASE and cellulosic offerings. N H + N N HEUR Quick Summary

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Contact worldwide little helpers love great achievements

thickener. Production process efficiency is key, endeavoring to optimize our Non ionic Associative Rheology Modifiers Viscosity, in particular non Newtonian viscous behavior, is an important material property that contributes to a fluids performance. Because paints are rendered pseudoplastic, they

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How to get the best out of hydrophobically associative

Thickening ability, to achieve a given viscosity lower concentration required OR lower molecular weight potentially better mechanical stability Viscosity vs. salinity viscosity (Pa.s) concentration (g/mL) Associative Non associative Strong adsorption on surfaces (well treatment) non associative monolayer associative "multilayer" (*)

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Acrysol RM Coating Additives

May 17, 2009·ACRYSOL RM Associative, low to high shear viscosity builders Hydrophobically modified alkali soluble, acrylic thickener for latex paints. RM 5000 Non ionic, high shear viscosity builder anionic thickener for interior and exterior paints. RM 6 Hydrophobically modified alkali soluble emulsion (HASE) anionic associative thickener for

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Rheology of Waterborne Paints Part II masterbuilder.co

Associative and non associative thickeners. The viscosity stability during colorant addition, there are some cases where the use of a combination of both associative and nonassociative thickeners help tailor the needs of the rheological profile for the best performance.

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Ashland Aquaflow nonionic synthetic associative thickeners

Aquaflow nonionic synthetic associative thickeners are efficient thickeners for high performance waterborne paints and coatings. These easy to handle liquids build rheology in paints and coatings through self association and interaction with other ingredients. Aquaflow rheology modifiers are based on hydrophobically modified polyacetal polyether (HM PAPE) chemistry and are designed to

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RHEOLOGY SiriSpa

Rheology Basics TYPES OF RHEOLOGICAL BEHAVIOUR. AG.02/2005 AG0905 SHEAR RATE DEPENDANCE TIME DEPENDANCE YES NO ASSOCIATIVE THICKENER CONCEPT Non ionic Surfactant hydrophobe hydrophilic tail Associative Thickener hydrophilic Polymer hydrophobes Associative Thickeners. AG.02/2005 AG0905

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Control of rheology of water borne paints using

Addition of an associative thickener not only affects rheology, but also the interaction between latex particles Associative HEUR thickeners may induce undesired phase separation by strong bridging between the latex particles. The influence of HEUR thickeners on latex particle interaction has been studied by turbidity measurements.

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RHEOLOGY SiriSpa

Rheology Basics TYPES OF RHEOLOGICAL BEHAVIOUR. AG.02/2005 AG0905 SHEAR RATE DEPENDANCE TIME DEPENDANCE YES NO ASSOCIATIVE THICKENER CONCEPT Non ionic Surfactant hydrophobe hydrophilic tail Associative Thickener hydrophilic Polymer hydrophobes Associative Thickeners. AG.02/2005 AG0905

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Borchers Rheological Additives

Products at a glance The Borchi® Gel product group comprises polyurethane based thickeners which work associatively through the formation of a non covalent network and non associative thickeners as well. Therefore the natural paint characteristics (e.g. stability) will be improved as

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A GUIDE TO UNDERSTANDING AND MIXING THICKENERS

functional groups. These are commonly known as associative thickeners. In its simplest form, an associative thickener is a water soluble polymer containing several relatively hydrophobic groups. HEURs also belong to the category of associative thickeners. But unlike HASEs, HEURs are nonionic substances and are not dependent on alkali for

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Associative thickeners their adsorption behaviour onto

Hydrophobic entities of the associative thickener can adsorb onto the surface of the latex particles, providing additional junction points for the three dimensional network formed by the associative thickeners in water [4,8,22,25 11 ,S'vanhohn et al. /Progres~ in

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Effects of Nonionic Surfactant and Associative Thickener

The effect of a low molecular weight nonionic surfactant and an acrylic associative thickener on the rheology of polyacrylamide in aqueous glycerol solutions under steady shear was experimentally

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Shear thickening in aqueous surfactant associative

Understanding molecular level interactions between associative thickeners and surfactants has been the subject of a number of prior studies. Our recent studies focused on the behavior of a hydrophobically modified, aminoplast ether (HEAT) associative thickener and a highly hydrophobic ethoxylated octylphenol surfactant in aqueous solution.

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Shear thickening in aqueous surfactant associative

Free Online Library Shear thickening in aqueous surfactant associative thickener mixtures. by "JCT Research"; Business Chemicals, plastics and rubber Coatings Coatings industry Surface active agents

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Cellulosic associative thickeners ScienceDirect

Cellulosic associative thickeners are a relatively new class of associative polymers and are of great interest due to their wide applications, abundant raw materials, lower cost, and biodegradability. In general, cellulosic associative thickeners may be regarded as

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ACUSOL 805S HASE Rheology Modifier and S H S C D C

result of the rheology modifiers' associative activity is a dispersion that is more uniform than that created by purely non associative thickeners, which operate solely by binding water (Figure 2). The uniformity of the dispersion helps to promote the clarity of the detergent formulation. Figure 1 Associative Rheology Modifier Creating Structure

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SORBITHIX L 100 applechem

Non ionic associative thickeners, by and large, have similar molecular structures they are all polymer molecules comprised of variable numbers of arms. Current commercial thickeners have a maximum of 4 arms, with 2 to 4 arms capped off. Sorbeth 230 Tetraoleate The hydrophobic oleate groups on the capped arms . . .

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EVOQUE 1133 Pre Composite Polymer Technology

Non associative thickeners, i.e. low to mid molecular weight (Mw) cellulosic type thickeners like QP 4000 and QP 15000, work well with EVOQUE 1133, as do most associative thickeners (HASE and HEUR). HASE (Hydrophobically modified Alkali Soluble Emulsion) thickeners like ACRYSOL DR 6600, ACRYSOL RM 7, ACRYSOL TT 935, ACRYSOL TT

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Formulation challenges and product recommendations

Latest generation strong low shear thickener with excellent performance and easy handling. Strong pseudoplasticity VOC free. Rheovis PU 1190 A highly effective, non ionic rheology additive with high thickening properties at low shear stress to form a pseudoplastic viscosity. Rheovis HS 1162 Acrylic thickener with associative thickening;

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HEUR Thickeners Nonionic Polyurethane Associative

HEUR Thickeners are nonionic polyurethane associative thickeners that increase the viscosity of waterbased coatings as a resut of an association with the thickener and the binder/pigment colloid particles. TRiiSO distributes a wide range of HEUR Thickeners for water based coatings, inks and putties. Click for quotes or

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ACRYSOL RM 2020 Rheology Modifier

ACRYSOL RM 2020 is a non ionic urethane rheology modifier, providing a very versatile means of formulating paints with an optimal film build and high shear viscosity. thickened with an associative thickener. Water soluble cosolvents, however, may reduce the low shear viscosity.

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Shear thickening in aqueous surfactant associative

Free Online Library Shear thickening in aqueous surfactant associative thickener mixtures. by "JCT Research"; Business Chemicals, plastics and rubber Coatings Coatings industry Surface active agents

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Thickeners & Thickening Mechanisms for water based

Sep 03, 2016· In non associative thickening mechanism, the thickening efficiency is based on the molecular weight of the thickener. High molecular weight thickener gives high thickening efficiency. In associative thickening mechanism, the thickening efficiency is not only come from the molecular weight of the thickener but also come from the

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New Associative Thickeners and Their Use In Waterborne and

Chemical Compositionof Pur Associative ThickenersThickening MechanismApplication PropertiesCharacteristics of SB Associative ThickenersConclusionIn the molecule, a distinction can therefore be made between the following three segments. 1. Hydrophobic terminal segments 2. Several hydrophilic segments 3. Urethane groups The polymer is end capped with hydrophobic segments. Possible hydrophobic segments are, for example, oleyl, stearyl, dodecylphenyl and nonylphenol. To give optimal association interactions, more complicated hydrophobic segments (e.g., more than one separated hydrophobic group in each segment) are preferred for practic
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Thickeners for Aircraft Anti icing Fluids

Conventional vs. Associative Thickeners Conventional Higher m.w. Branched or cross linked Thicken by polymer chain entanglement Lose viscosity by untangling chains Associative Lower m.w. Comb type Thicken by association of hydrophobe clusters + some entanglement Lose viscosity by pulling hydrophobes out of

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Part A THE USE OF NONIONIC ASSOCIATIVE POLYMERS FOR THE

Part A The use of nonionic associative thickeners was proposed for personal care applications. Various limitations of current rheology modifiers used in personal care were discussed. Nonionic associative polymers were examined as both thickeners and emulsifiers. The structure/property relationship for nonionic polymers and their ability to thicken and emulsify were fully examined.

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Thickeners for Aircraft Anti icing Fluids

Conventional vs. Associative Thickeners Conventional Higher m.w. Branched or cross linked Thicken by polymer chain entanglement Lose viscosity by untangling chains Associative Lower m.w. Comb type Thicken by association of hydrophobe clusters + some entanglement Lose viscosity by pulling hydrophobes out of

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The Role of Thickeners in Optimizing Coatings Formulation

To further investigate the interactions and the observed selective thickener response, we recall the thickening mechanism of associative thickeners in Figure 7, with the example of HEUR. The thickening effect is primarily caused by hydrophobe interactions, forming micelle structures and by adsorption to the latex surface.

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Crushing & Screening

Grinding & Classifying

Separating process

Thickening process

Auxiliary

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