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Difference between carbomer 940 with carbomer 980

2021-12-14 15:06:04

Carbomer is the cross-linked polyacrylate polymer. It is used as a high-efficient rheology modifier, capable of providing high viscosity, excellent clarity. When neutralized by alkali it forms sparkling clear water or hydroalcoholic gels. Also, extensive application in Pharmaceuticals, personal care, and home care, other industrial fields.


And what is the difference between carbomer 940 and carbomer 980?

Firstly, the different solvent system.

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 940 is better cross-linked net chemical structurer than carbomer 980. And carbomer 940 behave higher viscosity and clarity.

Lastly,

Carbomer 980 being benzene free, and its pharmaceutical grade carbomer 980NF/ 980G meet the current edition of the following monographs:

United States Pharmacopeia/National Formulary (USP/NF) monograph for Carbomer Homopolymer Type C

European Pharmacopeia (Ph. Eur.) monograph for Carbomers

India Pharmacopeia (IP) monograph for Carbomers

China Pharmacopeia (ChP) monograph for Carbomer Homopolymer

Japanese Pharmaceutical Excipients (JPE) Monograph for Carboxyvinyl Polymer


Pharmaceutical grade Carbomer 940NF/940G meet the current edition of the following monographs:

United States Pharmacopeia/National Formulary (USP/NF) monograph for Carbomer 940

Japanese Pharmaceutical Excipients (JPE) Monograph for Carboxyvinyl Polymer.

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