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COAPUR™ 830 W | Arkema Rheology & Specialty Additives

Coapur™ 830 W is a solvent and Alkyl Phenol Ethoxylate (APE) free polyurethane thickener designed for all types of water based formulations, especially the solvent free formulations. Coapur™ 830 W can be used sole or in combination either with other polyurethane thickeners or with other types of rheology modifiers such as acrylic or ...

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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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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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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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[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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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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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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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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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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Polyurethane thickener

Polyurethane thickener . May 6, 2009 - BASF SE. The present invention relates to novel polyurethanes and to mixtures of such polyurethanes, to processes for their preparation, to their use for producing preparations comprising water and to preparations which comprise the polyurethanes. In particular, the invention relates to water-dispersible ...

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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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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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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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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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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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(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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Why choose associative polyurethane thickeners? – BYK

Polyurethane thickeners (PU thickeners) are widely used in the market and find use in a variety of different aqueous systems due to their liquid delivery form, easy handling, and wide range of applications.

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RHEOVIS® PU 1191

RHEOVIS ® PU 1191 is a heavy metal-, solvent- and VOC free solution of a polyurethane in water/diluent. Heavy metal catalysts are not part of the product's formulation. RHEOVIS ® PU 1191 is highly-efficient environmental friendly associative polyurethane thickener designed to achieve a high pseudoplastic viscosity compared to other PUR ...

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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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Preparation of associative polyurethane thickener and its …

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 ...

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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™ XS 83 | Arkema Rheology & Specialty Additives

Coapur™ XS 83 is a solvent-free polyurethane thickener recommended for water-bases systems which should combine high in-can viscosities with excellent pigment compatibility, for use on tinting machine, manual coloration, industrial and architectural coatings. Coapur™ XS 83 provides a unique pseudoplastic rheology profile with a strong shear ...

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COAPUR™ 520 W | Arkema Rheology & Specialty Additives

Coapur™ 520 W is a solvent-free and APEO-free HEUR thickener. It provides a very balanced rheology profile contributing to high-shear viscosities and medium-shear viscosities. ... Furthermore, it provides very good response and efficiency in VAE binders. This new polyurethane thickener could therefore easily replace the use of a combination ...

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Preparation of Associative Polyurethane Thickener and Its …

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 ...

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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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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™ 3020 ADHESIVES AND SEALANTS COATINGS …

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

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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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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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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 …