Difference between revisions of "Carbopol"
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== Description == | == Description == | ||
| − | [ | + | [Lubrizol] A registered trademark for a series of polyacrylic acids used as gelling agents. Carbopol® polymers are white, fluffy powders. |
- Carbopol® 910 | - Carbopol® 910 | ||
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carbomer; carboxypolymethylene | carbomer; carboxypolymethylene | ||
| − | == | + | == Risks == |
| + | * Skin contact and inhalation of dust may cause irritation. | ||
| + | * ThermoFisher: [https://www.fishersci.com/store/msds?partNumber=AC278382500&productDescription=CARBOPOL+940+250G&vendorId=VN00032119&countryCode=US&language=en Carbopol 940 SDS] | ||
| − | + | ==Physical and Chemical Properties== | |
| − | pH of 1% dispersion is about 2.5-3.0 | + | * 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== | |
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| − | + | * Lubrizol: [https://www.lubrizol.com/Sustainability/Resources/Product-Stewardship/Carbopol-Pemulen-Noveon-Polymers Carbopol] | |
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| − | Noveon | ||
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* 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 | * 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 | ||
Revision as of 09:32, 20 May 2022
Description
[Lubrizol] A registered trademark for a series of polyacrylic acids used as gelling agents. Carbopol® polymers are white, fluffy powders.
- Carbopol® 910
- Carbopol® 934
- Carbopol® 940-2
- 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