Polyquaternium-7
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- Poly(acrylamide-co-diallyldimethylammonium chloride)
- P(AAm-co-DADMAC)
- Quaternium-41
- N,N-Dimethyl-N-2-propen-1-yl-2-propen-1-aminium chloride, polymer with 2-propenamide
- Dimethyldiallyl ammonium chloride acrylamide copolymer
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| Section1 = {{Chembox Identifiers
| CASNo = 26590-05-6
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| UNII = 0L414VCS5Y
| PubChem = 168563
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| Section2 = {{Chembox Properties
| Formula = (C8H16ClN)n(C3H5NO)m
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Polyquaternium-7 is an organic compound in the polyquaternium class of chemicals and used in the personal care industry. It is the copolymer of acrylamide and the quaternary ammonium salt diallyldimethylammonium chloride.{{Cite web|url=http://ec.europa.eu/growth/tools-databases/cosing/|title=CosIng – Cosmetics – GROWTH|publisher=European Commission|access-date=2017-03-01}}
Its molecular formula is: (C8H16ClN)n(C3H5NO)m.{{Cite web|url=http://www.chemicalbook.com/ChemicalProductProperty_EN_CB3375776.htm|title=Polyquaternium-7 {{!}} 26590-05-6|publisher=chemicalbook.com|access-date=2017-03-01}}
Functions
Polyquaternium-7 is used for its antistatic and film forming properties. Also in cosmetic formulation.
Usage
Polyquaternium 7 is the designation established with the original association, Cosmetics, Toiletries, and Fragrance Association (CTFA), now known as the Personal Care Products Council. There are an abundance of product names containing the same or a similar active ingredient for applications outside the cosmetics and personal care industry.
Polyquaternium-7 is applied in waste treatment for laundry, emulsion breaking, sludge dewatering and drainage and retention aid. It is a cationic polyelectrolyte.{{Cite web|url=http://www.sigmaaldrich.com/catalog/product/aldrich/409081|title=Poly(acrylamide-co-
Polyquaternium-7 is used as modifier, for example in shampoo, hair conditioner, hair spray, mousse, soap, gel, styling agent, shaving product, deodorant and antiperspirant.{{Cite web|url=http://www.tu-poly.com/p650/Dimethyldiallyl-ammonium-chloride-acrylamide-copolymer,CAS-No.26590-05-6.html|title=CAS No.26590-05-6, Dimethyldiallyl ammonium chloride acrylamide copolymer, Cationic surfactant Manufacturers|publisher=tu-poly.com|access-date=2017-03-01}} The DADMAC monomer is highly hydrophilic. Absorption of moisture from the air lends "conditioning" properties to the products that contain the copolymer such as shampoos, hair and skin conditioners and other personal care products including some bar soaps.
Safety
According to its safety data sheet, it is not persistent, bioaccumulative, or toxic. Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008 or EC-directives 67/548/EEC or 1999/45/EC.
Scientific studies
The influence of the synthetic cationic polymer polyquaternium-7 on the rheology and microstructure of creams was investigated.{{Cite journal|last1=Ribeiro|first1=H. M.|last2=Morais|first2=J. A.|last3=Eccleston|first3=G. M.|date=2004-04-01|title=Structure and rheology of semisolid o/w creams containing cetyl alcohol/non-ionic surfactant mixed emulsifier and different polymers|journal=International Journal of Cosmetic Science|volume=26|issue=2|pages=47–59|doi=10.1111/j.0412-5463.2004.00190.x|issn=1468-2494|pmid=18494913|s2cid=21461925}}
Efficacy, mechanism and test methods of conditioning polymers in some shampoo formulations was investigated.{{Cite journal|last1=Hössel|first1=P.|last2=Dieing|first2=R.|last3=Nörenberg|first3=R.|last4=Pfau|first4=A.|last5=Sander|first5=R.|date=2000-02-01|title=Conditioning polymers in today's shampoo formulations – efficacy, mechanism and test methods|journal=International Journal of Cosmetic Science|volume=22|issue=1|pages=1–10|doi=10.1046/j.1467-2494.2000.00003.x|issn=1468-2494|pmid=18503458|s2cid=43616152}}