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METHOD UPON A TEMPERATURE INCREASE OF COUNTERACTING A VISCOSITY DECREASE OR PROVIDING A VISCOSITY INCREASE IN A WATER-BASE SYSTEM CONTAINING A POLYMER AS VISCOSITY AGENT
METHOD UPON A TEMPERATURE INCREASE OF COUNTERACTING A VISCOSITY DECREASE OR PROVIDING A VISCOSITY INCREASE IN A WATER-BASE SYSTEM CONTAINING A POLYMER AS VISCOSITY AGENT
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机译:在以聚合物为黏性剂的水基体系中补偿黏度下降或提供黏度增加的温度升高方法
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摘要
The invention relates to a method in a water-base system for at least partially avoiding an expected viscosity decrease or providing a viscosity increase upon a temperature increase, by using a system containing as viscosity-adjusting agents a nonionic cellulose ether in such an amount that the aqueous solution thereof has a viscosity of 10-10,000 cP, measured according to Brookfield LV, 12 rpm at 20 DEG C, and an ionic surface-active compound in an amount of 1-30 mmol per litre of water.
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