Polyurethane Thickener

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Coapur™ 2025 Associative Thickener: Technical Datasheet

Coapur™ 2025 by Coatex (Arkema Group) is a water soluble, non-ionic and solvent-free, associative polyurethane thickener designed for water-based formulations. It can be used sole or in combination either with other polyurethane thickeners or with any type of rheology modifiers such as acrylic or cellulosic thickeners, acting at low shear rates.

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COAPUR™ 6050 ADHESIVES AND SEALANTS COATINGS …

Solvent free liquid polyurethane thickener HEUR Polyurethane Thickener ADHESIVES AND SEALANTS COATINGS AND INKS Page 1 / 1. Title: CTX-COAPUR 6050-WW - February 18, 2021 00:01 Created Date:

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Synthesis of salt-resistant hyperbranched waterborne polyurethane

To improve the thickening effect of polyurethane thickener, hyperbranched waterborne polyurethane associative thickener (HWPUAT) was successfully synthesized and the 3 wt% HWPUAT aqueous solution (HAS) was prepared. The viscosity of HAS at the rotating speed of 6 and 60 rpm was 12,118 and 4207 mPa·s, respectively. After adding 1.3 wt% NaCl ...

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ASSOCIATIVE POLYURETHANE THICKENERS FOR …

The associativee polyurethane thickeners can be combined easily with each other as well as with all known thickeners types, often with synergistic effects. Their major strengths are the specific …

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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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Thickening mechanism of traditional thickener.

Associative polyurethane (PU) thickener has been synthesized by preparing the prepolymer with the reaction of polyethylene glycol (PEG) and isophorone diisocyanate (IPDI), which then end-capping ...

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Coapur™: Polyurethane thickener, HEUR, NISAT, …

The Coapur™ range of polyurethane thickeners offers wide but comprehensive solutions from very Newtonian to highly pseudoplastic rheological profiles. The XS grades are more specifically designed to enhance compatibilities with …

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Preparation of Associative Polyurethane Thickener …

Associative polyurethane (PU) thickener has been synthesized by preparing the prepolymer with the reaction of polyethylene glycol (PEG) and isophorone diisocyanate (IPDI), which then end-capping with long-chain alkanol.

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Addition of different amounts of a urethane-based thickener …

The polyurethane adhesive without thickener (DPU) shows a Newtonian behaviour (i.e. the viscosity does not vary by changing the shear rate), and the addition of the thickener increases the viscosity of the polyurethane adhesive solution, more markedly by increasing the thickener content; the greater increase in solution viscosity is produced ...

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Application Leaflet

Thickener properties The polyether polyurethane associative thickener polymers are built from a hydrophilic core with hydrophobic capping units. The frequency and chemistry of these caps, together with the overall balance between the hydrophilic and hydrophobic units determine the rheological properties. The more hydrophobic the

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Synthesis and characterization of waterborne polyurethane …

Octahydroxyl-terminated and hexadecahydroxyl-terminated hyperbranched polyesters (HPE-8 and HPE-16) were synthesized from 2,2-dimethylol propionic acid and 1,4-butanediol. The hyperbranched waterborne polyurethane (HWPU) thickeners containing different branching structure and length of hydrophilic chain were prepared with hexamethylene …

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COAPUR™ 2020 W | Arkema Rheology & Specialty Additives

Coapur™ 2020 W is a solvent and Alkyl Phenol Ethoxylate (APE) free associative polyurethane thickener designed for water based formulations. Coapur™ 2020 W can be used sole or in combination either with other polyurethane thickeners or with any type of rheology modifiers such as acrylic or cellulosic thickeners, acting at low shear rates.

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TAFIGEL® PUR 80 | Münzing Chemie

TAFIGEL PUR 80 is designed as an "associative thickener" which builds up and stabilizes viscosity by forming a network between polyurethane, binder molecules and other paint ingredients. TAFIGEL PUR 80 can be used alone or in …

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COAPUR™ XS 12 | Arkema Rheology & Specialty Additives

Coapur™ XS 12 is a solvent and Alkyl Phenol Ethoxylate (APE) free associative polyurethane thickener designed for water based formulations. Coapur™ XS 12 can be used sole or in combination either with other polyurethane thickeners or with any type of rheology modifiers such as acrylic or cellulosic thickeners, acting at low shear rates.

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TAFIGEL® PUR 62 | Münzing Chemie

TAFIGEL PUR 62 is designed as an "associative thickener" which builds up and stabilizes viscosity by forming a network between polyurethane, binder molecules and other paint ingredients. TAFIGEL PUR 62 provides strong pseudoplastic …

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COAPUR™ 3020 | Arkema Rheology & Specialty Additives

Coapur™ 3020 is a solvent-free and APEO free pure associative polyurethane thickener (also called HEUR, NISAT or NSAT). It provides a pure Newtonian rheology to water-borne systems. It allow to adjust selectively high shear viscosities and thus ensures excellent film build, spatter resistance and leveling together with low dosage and ...

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(PDF) Preparation of Associative Polyurethane …

Associative polyurethane (PU) thickener has been synthesized by preparing the prepolymer with the reaction of polyethylene glycol (PEG) and isophorone diisocyanate (IPDI), which then...

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Preparation of associative polyurethane thickener and …

the increase of thickener concentration helps to heighten the viscosity of dispersions but also makes the dispersion of thickener harder and appear obviously agglomeration. 10% of thickener concentration was selected taking into consideration the uniform dispersion of thickener in the aqueousdispersions. 3.5.ThickeningMechanismResearch

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Borchers Rheological Additives

thinning HEUR thickener; 25% polyurethanein water/propylene glycol;emulsifier-free and DBTL-free; especially effective in the low shear range. Borchi® Gel LW 44 Shear thinning HEUR thickener; 24% polyurethane;46% solids;especially effectivein the low shear range; promotes pigment wetting; DBTL-free and VOC-free.

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Synthesis and characterization of waterborne polyurethane …

Abstract Octahydroxyl-terminated and hexadecahydroxyl-terminated hyperbranched polyesters (HPE-8 and HPE-16) were synthesized from 2,2-dimethylol propionic acid and 1,4-butanediol. The hyperbranched waterborne polyurethane (HWPU) thickeners containing different branching structure and length of hydrophilic chain were prepared with hexamethylene …

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Study on synthesis and thickening property of

The waterborne polyurethane (WPU) has gradually become a researching topic as thickener in aqueous dispersion owing to its own low viscosity, excellent thickening effect and strong stability. Barmar et al. [1] synthesized a series of alkyl-terminted WPU thickeners, and the influence of the hydrophobic chain length on the thickening effect was ...

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EP0612329A1

A 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) polyether polyols, c) monofunctional alcohols with at least one other polar group, in particular an ester, amide and / or oxazoline group, and d) where appropriate polyfunctional alcohols.

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UCON™ PREP-1 Polyurea Thickener for Grease | Dow Inc.

An easy-to-use drop-in replacement for in-situ reacted polyurea grease thickeners. The same great performance, but delivered in a fully reacted, easily shipped and stored, free flowing powder form. Improve your ability to customize grease rheology with a high performing, flexible and easy to handle alternative.

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Synthesis and characterization of waterborne polyurethane …

Associative polyurethane (PU) thickener has been synthesized by preparing the prepolymer with the reaction of polyethylene glycol (PEG) and isophorone diisocyanate (IPDI), which then end-capping ...

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Preparation of Associative Polyurethane Thickener and …

Associative polyurethane (PU) thickener has been synthesized by preparing the prepolymer with the reaction of polyethylene glycol (PEG) and isophorone diisocyanate (IPDI), which then end …

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COAPUR™ 3025 | Arkema Rheology & Specialty …

Coapur™ 3025 is a solvent-free and APEO free pure associative polyurethane thickener (also called HEUR, NISAT or NSAT). It provides a pure Newtonian rheology to water-borne systems. It allow to adjust selectively high shear …

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Preparation of Associative Polyurethane Thickener and …

The amount of thickener (%) Theoretical molecular weight of 10,000 ... The CMC of nonionic associative polyurethane thick-eners is very low through the measurement of three dif-

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Study of the rheology of aqueous radiation curable polyurethane …

A linear telechelic (L) and a branched (B) polyether polyurethane thickener (HEUR) of the Additol range were supplied by Cytec Surface Specialties, Graz, Austria. They were provided as 30–35 wt.% solution in a mixture of butyldiglycol and water. Due to the remarkable thickening properties, only small quantities of HEUR were needed to modify ...

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Powdered Thickening Agent Adds Sustainability, Safer …

TAGS: Sustainability / Natural Coatings Polyurethane Coatings This is a sponsored article by Elementis. A rheology modifier or thickener is the ingredient used to control the viscosity of coating or adhesive, or more precisely the rheology profile, which includes the yield stress and viscosity at different shear modes and rates.

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BR 100 P

BR 100 P is a water soluble non ionic polyurethane thickener suitable to thicken anionic and non ionic emulsions and particularly styrene acrylics, vinyl-acrylics and other copolymers. It is used in semil-gloss, interior and exterior flat emulsion paints, anticorrosion paints and adhesives.

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China Polyurethane Thickener Manufacturers, Suppliers

Polyurethane Thickener. Polyurethane Thickener is a kind of low-odor, solvent-free water-based non-ionic associating rheological modifier, which can improve the fluidity, leveling property, uniform film formation property, gloss exhibition property and high thickening efficiency.This product is used in low-odor, low-voc non-solvent coatings and can be used in other coatings.

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Technical Control | WATER-BASED THICKENER

There are many kinds of thickeners on the market, which are mainly divided into four categories: Inorganic, Cellulose, Polyacrylates and Associative Polyurethane Thickeners. Among them, …

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[PDF] Preparation of associative polyurethane thickener …

Associative polyurethane (PU) thickener has been synthesized by preparing the prepolymer with the reaction of polyethylene glycol (PEG) and isophorone diisocyanate (IPDI), which then end-capping with long-chain alkanol. The synthesis process, as well as hydrophilic chain length, theoretical molecular weight, solvent ratio, and thickener percentages, has been researched.

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Rheology Modifiers

Our 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.

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COAPUR™ XS 71 | Arkema Rheology & Specialty Additives

Coapur™ XS 71 is a solvent free polyurethane thickener recommended for water based systems which should combine high in can viscosities with excellent pigment compatibility, for further use on tinting machine or manual coloration. Coapur™ XS 71 offers a unique pseudoplastic rheology profile, performing also strongly at medium shear rate and ...

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US5594087A

Water dispersible, modified polyurethane thickener with improved high shear viscosity in aqueous systems EP0495373A2 (en) * : : Th. Goldschmidt AG: Thickening agent on the basis of block polymers having polyurethane and polyether groups EP0498442A1 ...

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Structure‐property relationships of waterborne polyurethane …

Finally, a stronger polyurethane/thickener interaction accelerated the crystallization rate, led to improved mechanical resistance and adhesive strength in leather/thickened polyurethane adhesive/SBR rubber. During film-forming process, water evaporation can affect the degree of crosslinking, and the adhesion properties of WPU-based products. ...

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COAPUR™ XS 71

Coapur™ XS 71 is a solvent free polyurethane thickener recommended for water based systems which should combine high in can viscosities with excellent pigment compatibility, for further use on tinting machine or manual coloration. Coapur™ XS 71 offers a unique pseudoplastic rheology profile, performing also strongly at medium shear rate and ...

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Synthesis of salt-resistant hyperbranched waterborne polyurethane …

Abstract To improve the thickening effect of polyurethane thickener, hyperbranched waterborne polyurethane associative thickener (HWPUAT) was successfully synthesized and the 3 wt% HWPUAT aqueous solution (HAS) was prepared. The viscosity of HAS at the rotating speed of 6 and 60 rpm was 12,118 and 4207 mPa·s, respectively. After adding 1.3 wt% NaCl, …

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