Metathesis depolymerizable surfactants

Details Metathesis depolymerizable surfactants Metathesis depolymerizable surfactants

2008-04-15

2008-04-15

Hardee, John R. (Department: 1751)

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

Specific organic component

C510S475000

Reexamination Certificate

active

11475267

ABSTRACT:
A class of surfactant molecules whose structure includes regularly spaced unsaturation in the tail group and thus, can be readily decomposed by ring-closing metathesis, and particularly by the action of a transition metal catalyst, to form small molecule products. These small molecules are designed to have increased volatility and/or enhanced solubility as compared to the original surfactant molecule and are thus easily removed by solvent extraction or vacuum extraction at low temperature. By producing easily removable decomposition products, the surfactant molecules become particularly desirable as template structures for preparing meso- and microstructural materials with tailored properties.

REFERENCES:
patent: 2002/0156207 (2002-10-01), Imuta et al.

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