Phosphonium salt, organically modified layered silicate...

Details Phosphonium salt, organically modified layered silicate... Phosphonium salt, organically modified layered silicate...

2004-03-24

2008-03-25

Eyler, Yvonne (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus containing

Reexamination Certificate

active

07348458

ABSTRACT:
A tetraalkylphosphonium salt having at least one branched alkyl chain containing 9 to 100 carbon atoms in total, an organically modified layered silicate containing the tetraalkylphosphonium salt having at least one branched alkyl chain containing 9 to 100 carbon atoms in total between layers of a layered silicate and a composition comprising the organically modified layered silicate and an organic solvent or a thermoplastic resin. There are provided a tetraalkylphosphonium salt for a layered silicate having thermal stability and dispersibility superior to those of conventional organophilized layered silicates, an organically modified layered silicate containing the tetraalkylphosphonium salt and a composition thereof.

REFERENCES:
patent: 4359596 (1982-11-01), Howard et al.

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