Carbomer 940 Structure. from publication: An insight into the use and advantages of

from publication: An insight into the use and advantages of Carbopol in topical mucoadhesive drug delivery system: A systematic Carbomer refers to a group of polymers that are added to formulations for their stabilizing and thickening properties, commonly used as a main component in ocular gels to treat dry eye disease (DED). 7-3. 5 percent aqueous dispersion of Carbomer 940 is between 40,000 and 60,000 mPa Carbomer 940 (CBM 940) is an acrylic acid polymer, which can be used as a thickening agent. The viscosity of a neutralized 0. 5% depending on the type of formulation desired viscosity. Carbomer 940,previously dried in vacuum at 80 for 1hour,contains not less than 56. Carbomer 940 are polymerized in Benzene system, but carbomer 980 is “toxicologically preferred” carbomer products and in a cosolvent mixture of ethyl acetate and cyclohexane, Then, their cross-linked chemical structure. . Carbomer must be thoroughly mixed with hand grinder and hydrated. Carbomer 940 is a white fluffy powder that is soluble in water, ethanol, and glycerin.

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