·of up to 90% base oil 10% 25% thickener 0 10% solid lubricants and % 4% additives For these tests two mineral based lubricating greases were used They both contain with antioxidants anti rust extreme pressure EP additives but one has a complex calcium based thickener used for NGLI 000
·Herein three polyurea greases with different thickener structures were synthesized by adjusting the polymerization degree of the polyether oil via the presynthetic thickener strategy The real time observation of the thickener structure evolution revealed that increasing the oil polymerization degree would help form longer thickener fibers
RHEOLATE® 310 D is a low odour and VOC free polyether polyol based associative thickener for use in conventional latex and water reducible systems Company Elementis is a global specialty chemicals company We offer performance driven additives that help create innovative formulations for consumer and industrial applications We are known for
The phase behavior of the polyether thickeners in CO2 and their thickening performance on CO2 were investigated in terms of the copolymer composition and molecular weight The results were shown that the polyether thickeners cause an excellent enhancement in CO2 viscosity and there exists an optimal composition with the greatest thickening effect
·The phase behavior of the polyether thickeners in CO2 and their thickening performance on CO2 were investigated in terms of the copolymer composition and molecular weight
·Abstract Thickener formulation plays a significant role in the performance characteristics of grease The polyurea greases PUGs were synthesized using mineral oil 500SN as the base oil and by regulating the reaction of diphenylmethane diisocyanate MDI and different organic amines The as prepared PUGs
Aquaflow NHS 300 by Ashland is a hydrophobically modified polyether Acts as non ionic associative thickener It is cost effective pH insensitive and biostable Possesses superior flow leveling as well as increased film build full gloss development and excellent spatter resistance Is compatible with acrylic styrene acrylic vinyl
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
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
Each product class has its own properties and applications to enable formulators to achieve their desired rheology profile with all types of resins 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
The development of a new generation of carbon dioxide CO 2 thickeners is significant for improving carbon dioxide flooding co polymers based on epoxide heptamethyltrisiloxane and glycidyl phenyl ether are prepared and their solubility and thickening ability in CO 2 are evaluated The solubility of the modified polyethers in CO 2 remarkably
Klübertemp GR UT 18N is a white odourless high temperature multipurpose grease based on a perfluorinated polyether PFPE oil and a polytetrafluoroethylene PTFE thickener The base oil viscosity enables a wide variety of applications to be served over a wide operating temperature range peak temperature 250°C
·The phase behavior of the polyether thickeners in CO2 and their thickening performance on CO2 were investigated in terms of the copolymer composition and molecular weight
·RHEOLATE® 299 by Elementis is a 25% active APEO and tin free polyether polyurethane based associative thickener It is a pH independent highly efficient viscosity builder in the low to mid shear rate range Imparts strongly shear thinning flow behavior Exhibits excellent sag resistance anti settling behavior flow and levelling properties
·ies The amounts of associative thickener used in a coat ing formulation are much lower This study attempts to provide a more unified concept of the contribution of associative thickener in coatings by considering viscos ity contributions from their self association the interac tion of surfactants in the formulation with the thickener
·Aquaflow ECO 300 is a high shear biocide free nonionic synthetic thickener for high performance waterborne paints and coatings delivered in a 100% active solid dosage form The nonionic synthetic associative thickeners NSATs are efficient and build rheology in paints and coatings through self association and interaction with other ingredients
Water based functional fluids thickened by the interaction of an associative polyether thickener and certain quaternary ammonium salts US5086142A en 1989 07 29 1992 02 04 Th Goldschmidt Ag Copolymer acting as thickening agent for aqueous preparations having a ph above a method for its preparation and its use as a thickening agent
Rheovis ® PU 1331 is a next generation high shear polyurethane thickener offering ultra efficient best in class performance These are just some of the highlights of our range of BASF synthetic rheology modifiers which includes nonionic associative HEUR / HMPE anionic associative HASE and non associative thickener ASE technologies
RHEOLATE® 255 rheological additive is a 25 % aqueous solution polyether polyurethane associative thickener NISAT designed for use in conventional waterborne emulsion systems that is a rheology modifier with a high thickening effect in the medium shear range Company
·Rheovis® PE 1330 by BASF is a hydrophobic modified polyether HMPE It is an excellent high shear associative thickener It imparts excellent flow and is tin free Rheovis® PE 1330 by BASF is recommended for low VOC systems Used in high PVC paints matt / interior silk / semi gloss wood paints and stains gloss paints as well as in
·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
Hankuck Latices HISOL 305 is an associative thickener based on a hydrophobically modified alkali swellable emulsion HASE Hankuck Latices HISOL 305 is swellable with alkali above pH of 8 Recommended for high in can viscosity paints where reduced syneresis and settling improved water resistance and enhanced microbial resistance are desired
Polyether based thickeners for aqueous systems having molecular weights of about 1000 to about 75 000 which are modified with alpha olefin epoxides having about 12 to about 18 carbon atoms exhibit increased thickening efficiency in the presence of certain organic additives These are ethoxylated phosphate esters or mixtures of said esters with water soluble amines
·In this paper two commercial polymers with relatively low molecular weights poly vinyl ethyl ether PVEE and poly 1 decene P 1 D are tested as direct thickeners for CO2 and their detailed effects on the mutual interactions between a light crude oil and polymer thickened CO2 are experimentally studied under different reservoir pressures More specifically the
