Journal of Nanomaterials

Review Article

Nanoclays in Food and Beverage Packaging

Table 1

Commercially available organically modified clay minerals used in food packaging application [21, 22].


Commercial name		Clay	Chemical structure of organic modifier	Modifier concentration

Southern Clay Products Inc. (USA)	Cloisite® Na⁺	MMT	Unmodified clay
	Cloisite® 10A	MMT	Dimethyl benzyl hydrogenated tallow quaternary ammonium	125 meq/100 g of clay
	Cloisite® 15A	MMT	Dimethyl dihydrogenated tallow quaternary ammonium	125 meq/100 g of clay
	Cloisite® 20A	MMT	Dimethyl dihydrogenated tallow quaternary ammonium	95 meq/100 g of clay
	Cloisite® 30B	MMT	Methyl tallow bis-2-hydroxyethyl quaternary ammonium	90 meq/100 g of clay
	Cloisite® 93A	MMT	Methyl dehydrogenated tallow ammonium	90 meq/100 g of clay

Nanocor Inc. (USA)	Nanocor® I.24TL	MMT	12-Aminododecanoic acid	N/A
	Nanocor® I.30P	MMT	Octadecyl ammonium	28-32 wt%
	Nanocor® I.34TCN	MMT	Methyl octadecyl di-2-hydroxyethyl quaternary ammonium	N/A
	Nanocor® I.44P	MMT	Dimethyl dialkyl tallow amine	25-30 wt%

Zhejiang Fenghong Clay Chemicals Co. Ltd. (China)	Nanolin® DK1	MMT	Octadecyltrimethyl ammonium	110-120 meq/100 g of clay
	Nanolin® DK2	MMT	Methyl tallow bis-2-hydroxyethyl alkyl quaternary ammonium	110-120 meq/100 g of clay
	Nanolin® DK4	MMT	Octadecyl trimethyl ammonium bromide	90 meq/100 g of clay

Laviosa Chimica Mineraria SpA (Italy)	Dellite® LVF	MMT	Unmodified clay	Lowest CEC
	Dellite® HPS	MMT	Unmodified clay	Highest CEC
	Dellite® 43B	MMT	Dimethyl-benzyl-hydrogenated tallow ammonium	N/A
	Dellite® 67G	MMT	Dimethyl dehydrogenated tallow ammonium	High modifier content
	Dellite® 72 T	MMT	Dimethyl dehydrogenated tallow ammonium	Low modifier content

Nanoshel LLC (USA)	Shelsite Na⁺	MMT	Unmodified clay	N/A
	Shelsite 15A	MMT	Dimethyl benzyl hydrogenated tallow quaternary ammonium	125 meq/100 g of clay
	Shelsite 20B	MMT	Dimethyl benzyl hydrogenated tallow quaternary ammonium	95 meq/100 g of clay
	Shelsite 30B	MMT	Methyl tallow bis-2-hydroxyethyl quaternary ammonium chloride	90 meq/100 g of clay
	Shelsite 93A	MMT	Methyl dehydrogenated tallow ammonium	N/A

CEC: cation-exchange capacity; tallow: a mixture of octadecyl, hexadecyl, and tetradecyl.