The invention relates to a cellulose ether that is hydrophobically modified with an alkyl or alkenylketene dimer of general formula (I), in which R.sub.1 and R.sub.2 are alkyl or alkenyl chain, ##STR1## such as one having 5 to 22, preferably 13 to 20, most preferably 14 to 18 carbons. The product can be used in water-based products to control the rheological properties, for example. Objects of use include, for example, detergents, paper coating mixtures, paints, dispersing agents, and oil drilling muds.

Вымысел относит к эфиру hydrophobically доработан с алкилом или димером alkenylketene вообще формулы (i), в котором R.sub.1 и R.sub.2 будут алкиловая или алкенильная цепь, ## целлюлозы ## STR1 such as одно имея 5 к 22, предпочтительн 13 до 20, most preferably от 14 до 18 углерода. Продукт можно использовать в water-based продуктах для того чтобы контролировать реологические свойства, например. Предметы пользы вклюают, например, тензиды, смеси бумаги покрывая, краски, разметывая вещества, и muds сверлить масла.

 
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