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METHOCEL™ 240
METHOCEL™ 240 is a high molecular weight hydroxypropyl methylcellulose polymer that is used as a thickener in water based coatings, inks & adhesives.
METHOCEL™ 240 is a hydroxypropyl methylcellulose (HPMC) polymer. It is a water-soluble, high-purity, non-ionic cellulose ether that is typically used as a thickener in water-based formulations. METHOCEL™ 240 yields a high viscosity of 40,000 cP in water at a 2% addition rate. In addition to controlling viscosity, METHOCEL™ 240 is pseudoplastic and allows for control of the overall rheology of the formulation. METHOCEL™ 240 will reversibly gel at temperatures above 68°C. This combined with its shear thinning nature makes it an excellent binder for improving green strength in ceramic extrusion. Because of the hydroxypropyl substitution METHOCEL™ 240 does have moderate solvent tolerance and is stable in a wide pH range (2-13). METHOCEL™ 240 is useful as a thickener for cleaning solutions. It helps produce a stable viscosity while also improving soil anti-redeposition.
Allows for precise viscosity and rheology control Thixotropic nature reduces friction and provides lubricity for high solid applications Superior binder for ceramics and high solid applications Thermal gelation at temperatures above 68°C Gelation reverses below 68°C Moderate solvent tolerance Excellent pH stability (3-11)
Problems Solved
Sag & creep of water-based formulations High extrusion pressure due to rheology of ceramic slurry Poor green strength of extruded ceramic parts
Applications
METHOCEL™ 240 is suitable for ceramic extrusion and high solid applications. Learn more about METHOCEL™ 240 applications and functionality on our Cellulosics dedicated website. Click Here!
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Thank you for your inquiry and interest in ChemPoint. We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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