hydrophobic thickeners

Rheology Modifier Technologies MUNZING new

Rheology Modifier Technologies MUNZING new

Polyurethane thickeners form aggregates (micelles) due to their hydrophobic hydrophilic hydrophobic structure. One thickener molecule can participate in two or more micelles.

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hydrophobic thickeners   concertinacoils.co

hydrophobic thickeners concertinacoils.co

Hydrophobic, water insoluble polyurethane thickeners The invention relates to novel powder, emulsifier free, hydrophobic thickener formulations based on polyurethane, which can be incorporated particularly well into paints and water based paints and their use as rheological additives for thickening aqueous systems, preferably containing a) at least one water soluble active polyurethane

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ACRYSOL Rheology Modifiers   Dow

ACRYSOL Rheology Modifiers Dow

hydrophobic groups that interact with each other and with the latex particles in the formulation to create a three dimensional network. Thickening results thickeners well suited for flat through gloss paint formulations to facilitate sag resistance, spatter resistance and brush/roller drag.

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Energy Efficient Emulsification using Hydrophobically

Energy Efficient Emulsification using Hydrophobically

Energy Efficient Emulsification using Hydrophobically Modified Alkali Swellable Amphipathic Polymers Two Proprietary Rheology Modifiers Associative Thickeners Acrylates/Vinyl Isodecanoate Crosspolymer Hydrophilic backbone Hydrophobic alkylation enhances performance in many systems HASE = Hydrophobically Modified

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Diffusion of Model Hydrophobic Alkali Swellable Emulsion

Diffusion of Model Hydrophobic Alkali Swellable Emulsion

Diffusion of Model Hydrophobic Alkali Swellable Emulsion Associative Thickeners Kazuomi Nagashima , Vladimir Strashko , and Peter M. Macdonald * Department of Chemistry, University of Toronto at Mississauga, 3359 Mississauga Road, Mississauga, Ontario, Canada L5L 1C2

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Sorbitol and cellulose derivatives as gelling agents

Sorbitol and cellulose derivatives as gelling agents

Sorbitol and cellulose derivatives as gelling agents. Magorzata JAWORSKA, Otmar VOGT ? their application properties. A significant difficulty in obtaining gel structure lies in the diversified properties (hydrophobic and hydrophilic) of the ngredients in the preparation. Thickeners and gelling agents in the mixtures of organic

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Thickeners and Thickening Mechanism for Water Based

Thickeners and Thickening Mechanism for Water Based

Thickeners and Thickening Mechanism for Water Based Emulsion Paints Thickeners for water based emulsion paints The below table is an overview of common thickeners used in water based emulsion paints.Maha is the distributor of Bermocoll (AkzoNobel), Rheotech (Arkema Coatex) and Adeka NOL(Adeka) thickeners.

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SORBITHIX L 100   applechem

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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[Associative] Thickeners  Chemical Substances  Chemistry

[Associative] Thickeners Chemical Substances Chemistry

Associative thickeners are so called because the mechanism by which they thicken is believed to involve hydrophobic associations between the hydrophobic moieties on the thickener molecules themselves and/or with other hydrophobic surfaces (id.

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US20070082976A1   Hydrophobic, water insoluble

US20070082976A1 Hydrophobic, water insoluble

Accordingly, such polyurethane thickeners possess urethane groups and, at the same time, hydrophilic segments in an amount of at least 50% by weight and hydrophobic segments in an amount of not more than 10% by weight.

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Blue Sky Thinking Star Polymer Aligns Clarity with

Blue Sky Thinking Star Polymer Aligns Clarity with

The hydrophobic tails of all surfactants and hydrophobic thickeners are composed of a C8 C14 alkane chain, which precludes any significant modifications. Thus, the ideal location to influence and manage surfactant packing geometry is at the hydrophilic head group.

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Emulsifiers, Stabilisers, Thickeners, Gelling Agents

Emulsifiers, Stabilisers, Thickeners, Gelling Agents

Emulsifiers Stabilisers Thickeners Gelling Agents. Home 187; Application 187; Emulsifiers Stabilisers Thickeners They have both water loving (hydrophilic) and oil loving (hydrophobic) molecules that prevent the coalescence and separation of the liquids by reducing the interfacial tension between the liquids and forming a stable interfacial

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FORMULATING WITH ASSOCIATIVE RHEOLOGY MODIFIERS

FORMULATING WITH ASSOCIATIVE RHEOLOGY MODIFIERS

FORMULATING WITH ASSOCIATIVE RHEOLOGY MODIFIERS Daniel W. Verstrat Manager of Research Development, HMW Modification of the structure of ASE polymers by addition of hydrophobic moieties Associative thickeners may provide viscosity to a compound by all three of the

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Formulating with combination of HEUR associative

Formulating with combination of HEUR associative

Associative thickeners are water soluble polymers containing hydrophobic groups which are capable of nonspecific hydrophobic association, similar to surfactants. The multiple hydrophobic groups of the thickener molecules are thought to associate to form a network, although this may be an aggregation governed by mass action, rather than true

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Thickeners and Rheology Additives   chem tech   ACAT

Thickeners and Rheology Additives chem tech ACAT

More Information about quot;Thickeners and Rheology Additivesquot; inside ACAT 23/2016. Under shear the associative network between the polyurethane thickeners and the hydrophobic components of the systems this are mainly the dispersion binder is destroyed temporarily. Once shear energy is taken away the associative network rebuilds after a

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Water dispersible hydrophobic thickening agent   ResearchGate

Water dispersible hydrophobic thickening agent ResearchGate

Cellulosic associative thickeners with well defined hydrophilic and hydrophobic parts are currently of increased interest because of their extensive applications, biodegradability, lack of

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Next Generation Rheology Modifier

Next Generation Rheology Modifier

cellulosic thickeners and conventional hydrophobically modified ethylene oxide urethane (HEUR) rheology modifiers. Cellulosics offer excellent sag resistance, hydrophobic amino alcohols prepared as previously described, reacted with PEG8000 and isophorone diisocyanate.

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US5137571A   Method for improving thickeners for aqueous

US5137571A Method for improving thickeners for aqueous

A method is provided for improving thickeners used in aqueous system. The improvement is directed to the elimination of organic cosolvents which are conventionally added to aqueous solutions of certain hydrophobic thickeners.

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(PDF) Advancements in polymers used in hair care a review

(PDF) Advancements in polymers used in hair care a review

Advancements in polymers used in hair care a review. thickeners, rheology modifiers and sun protection agents. hydrophobic surfactant tails causes the polymer surfactant .

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Cellulosic associative thickeners   ScienceDirect

Cellulosic associative thickeners ScienceDirect

Cellulosic associative thickeners with well defined hydrophilic and hydrophobic parts are currently of increased interest because of their extensive applications, biodegradability, lack of

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Defoamer Technologies   M252;nzing Chemie GmbH

Defoamer Technologies M252;nzing Chemie GmbH

Defoamer Technologies AGITAN 174; Defoamer Technologies PCA 04/2012 2 1 Introduction The introduction and stabilisation of hydrophobic materials like binder molecules, pigments and fillers into waterbased coating systems has to occur through surface active materials. thickeners, emulsifiers) with 0 20 % in the formulation.

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Method for improving thickeners for aqueous systems   Rohm

Method for improving thickeners for aqueous systems Rohm

Aug 11, 19920183;32;The thickeners used in this experiment were Acrysol TT 935 (Rohm and Haas Company), a hydrophobically modified alkali soluble emulsion thickener, and a hydrophobically modified hydroxyethyl cellulose thickener (Natrosol Plus from Aqualon). A unmodified (non hydrophobic) hydroxyethyl cellulose thickener was also evaluated.

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Associative Thickeners for Viscosity Retention upon Tinting

Associative Thickeners for Viscosity Retention upon Tinting

The solvents or surfactants have hydrophobic parts. These interfere with the hydrophobic caps of the associative thickeners and hinder them from forming a full three dimensional network. Hydrophobes are desorbed from emulsion particle surfaces by more hydrophobic parts of these molecules or micelle structures are weakened.

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Rheological Additives in Cosmetics   Elementis

Rheological Additives in Cosmetics Elementis

Associative thickeners mechanism of action Associative thickeners increase the viscosity of aqueous systems through a system of molecular associations and interactions. The thickeners consist of water soluble polymeric chains modified with hydrophobic caps. The hydrophobic caps of the polymer associate, that is

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Hydrophobic, water insoluble polyurethane thickeners in

Hydrophobic, water insoluble polyurethane thickeners in

Polyurethane based thickeners are suitable in principle for the associative linking of all spherical interfaces, particularly in aqueous emulsion and dispersion systems. A vital requirement for the use of polyurethane thickeners is an ideal distribution of the associative compounds.

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Hydrophobic, water insoluble polyurethane thickeners in

Hydrophobic, water insoluble polyurethane thickeners in

Apr 12, 20070183;32;Hydrophobic, water insoluble polyurethane thickeners in granule or powder form and their use for thickening aqueous systems . United States Patent Application 20070082976 . Kind Code A1 . Abstract The invention provides pulverulent, emulsifier free, hydrophobic, polyurethane based thickener preparations which lend themselves

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New Associative Thickeners and Their Use In Waterborne and

New Associative Thickeners and Their Use In Waterborne and

Home 187; New Associative Thickeners and Their Use In Waterborne and High Solids Coatings. It has been found that associative thickeners with multiple hydrophobic functionality are very effective high shear thickeners. The mechanism for high shear thickening is demonstrated in more detail in Figure 4.

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Thickening Agents for Cosmetic Formulations  Chemists Corner

Thickening Agents for Cosmetic Formulations Chemists Corner

Thickening Agents for Cosmetic Formulations; Article by Perry Romanowski. One of the requirements of most cosmetic products is that they have an appealing rheology. These thickeners also help to stabilize emulsions and are frequently used in lotion and cream products.

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A GUIDE TO UNDERSTANDING AND MIXING THICKENERS

A GUIDE TO UNDERSTANDING AND MIXING THICKENERS

A GUIDE TO UNDERSTANDING AND MIXING THICKENERS Rheology modifiers, commonly referred to as thickeners or viscosifiers, are ever HASEs are modifications of ASEs following an addition of hydrophobic functional groups. These are commonly known as associative thickeners. In its simplest

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Thickening Agent   an overview  ScienceDirect Topics

Thickening Agent an overview ScienceDirect Topics

The thickeners are the compounds having a carboxyl group and a phosphate group, and especially polymers such as polyacrylic acid, polymethacrylic acid, and polyvinylpyrrolidone, etc. Thus, strong hydrophobic associations are possible where there is a large disparity between the molar volumes of the solvent (water) and the hydrophobe as well

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