Carbopol

Description

[Lubrizol] A registered trademark for a series of polyacrylic acids used as gelling agents. Carbopol® polymers are white, fluffy powders, clear gels or dispersed emulsions. The variety of options cover a wide pH range and electrolyte tolerance as well as options for many viscosities. Carbopols are used in many personal care products.

- Carbopol® 910

- Carbopol® 934

- Carbopol® 940

- Carbopol® 941

- Carbopol® 954 - carboxypolymethylene

Synonyms and Related Terms

carbomer; carboxypolymethylene

Risks

• Skin contact and inhalation of dust may cause irritation.
• ThermoFisher: Carbopol 940 SDS

Physical and Chemical Properties

• pKa = 5.0 - 6.0
• pH of 1% dispersion is about 2.5-3.0
• Density = 1.41 g/ml
• Tg = 100-105 C

Resources and Citations

• Lubrizol: Carbopol

• Richard C. Wolbers, Nanette T. Sterman, Chris Stavroudis, Notes for Workshop on New Methods in the Cleaning of Paintings, J.Paul Getty Trust, Los Angeles, 1990

• Conservation Support Systems, Catalog, 1997

• Ceramics and Glass Conservation Section, List of Workshop Materials, The British Museum, London

• Marie Svoboda, Conservation Survey Index, unpublished, 1997

• Teri Hensick, contributed information, 1998