What is Methocel E4M used for?

What is Methocel E4M used for?

The hydroxypropyl content gives METHOCEL™ E4M Premium compatibility with some common organic solvents. It is commonly used as a thickener, binder, film former, and suspension aid in applications that require good lubricity and spreadablity due to a thixotropic rheology.

What does hydroxypropyl cellulose do?

Hydroxypropyl cellulose (cellulose, 2-hydroxypropyl ether) is a derivative of cellulose with both water solubility and organic solubility. Hydroxypropyl cellulose acts to stabilize and thicken the precorneal tear film and prolong the tear film breakup time which is usually accelerated in patients with dry eye states.

What is methyl ether cellulose?

Description. A cellulose ether with a methyl functional group substitution. Methyl cellulose (MC) is a fibrous, somewhat fluffy, white powder that is used as a synthetic substitute for natural gums. It forms a highly viscous colloidal solution in cold water that reversibly gels when heated.

What is HPMC K15M?

METHOCEL™ K15M is an HPMC polymer with moderate hydroxypropyl substitution. It is typically used as a thickener, binder, or suspension aid in coatings, adhesives, or cleaners where a thixotropic rheology is desired. METHOCEL™ K15M is also used to control the viscosity of latex architectural paints and coatings.

What is HPMC K100M?

: HPMC K100M, (Hydroxypropyl)methyl cellulose K100M. : H 1691. : Hydroxypropyl methylcellulose (HPMC), is a semisynthetic, inert, viscoelastic polymer used as eye drops, as well as an excipient and controlled-delivery component in oral medicaments, found in a variety of commercial products.

How is methyl cellulose used in food?

Methylcellulose is also useful as a foaming agent and as a thickener when cold. Use Methylcellulose to make hot ice cream that melts as it cools, perfect meringues, modernist gnocchi or even instant noodles formed as the mix touches a hot consomme.

What is the viscosity of Methocel E4M premium?

METHOCEL™ E4M Premium METHOCEL™ E4M Premium is a medium molecular weight hydroxypropyl methylcellulose thickener. It yields a viscosity of 4,000 cP at 2% in water

How does Methocel ether dissolve in cold water?

METHOCEL™ cellulose ether products are carbohydrate polymers which dissolve in cold water (and in some instances in certain organic solvents) by swelling and subsequent hydration. There is no sharp solubility limit such as occurs in the dissolution of ionizing salts.

What is the normal concentration of Methocel solution?

It also depends on the viscosity and chemical type of METHOCEL™ product used. Solutions of low-viscosity products can be made at 10% to 15% concentration while high-viscosity products have a normal limit at 2% to 3% concentration.

What kind of polymers are used in Methocel?

There are two different chemical types, methyl cellulose and hydroxypropyl methylcellulose (HPMC). METHOCEL™ polymers function as thickeners, binders, and film formers in water based formulations.

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