prov:value
| - or hydroxyalkyl group having a C6-C.sub.20 alkyl component, alternatively aC.sub.12-C.sub.20 alkyl or hydroxyalkyl, alternatively C.sub.12-C.sub.18 alkyl or hydroxyalkyl, A is an ethoxy or propoxy unit, m is greater than zero, typically between 0.5 and 6, alternatively between 0.5 and 3, and M is H or a cation which can be, forexample, a metal cation (e.g., sodium, potassium, lithium, calcium, mag
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