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Closite®20
(formally Cloisite® 20A )
Description:
Cloisite® 20 is a natural montmorillonite modified with a quaternary ammonium salt.
Designed Use:
Cloisite® 20 is an additive for plastics and rubber to improve various physical properties, such as reinforcement, CLTE, synergistic flame retardant and barrier.
Typical Properties:
Treatment/Properties: Organic Modifier (1) Modifier Concentration % Moisture % Weight Loss on Ignition
Cloisite® 20A 2M2HT 95 meq/100g clay < 2% 38%
CH3
I
CH3 ─ N+ ─ HT
I
HT
Where HT is Hydrogenated Tallow (~65% C18; ~30% C16; ~5% C14)
(1) 2M2HT: dimethyl, dehydrogenated tallow, quaternary ammonium
Typical Dry Particle Sizes: (microns, by volume) 10% less than: 50% less than: 90% less than:
2μ 6μ 13μ
Color: Off White
Density: Loose Bulk, lbs/ft3 Packed Bulk, lbs/ft3 Density, g/cc
7.35 13.55 1.77
X Ray Results: d001 = 24.2Å