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Being viscosity control manner of the poriamitsuku Acid solution in the viscosity control manner of the poriamitsuku Acid
Being viscosity control manner of the poriamitsuku Acid solution in the viscosity control manner of the poriamitsuku Acid
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机译:作为poriamitsuku酸的粘度控制方式中的poriamitsuku酸溶液的粘度控制方式
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摘要
PROBLEM TO BE SOLVED: To provide a method for adjusting viscosity of a polyamic acid solution in order to simply produce a polyamic acid-containing coating solution having uniform viscosity, and to provide a method for producing the polyamic acid-containing coating solution.;SOLUTION: The method for adjusting the viscosity of a polyamic acid solution is for producing a polyamic acid-containing coating solution. In this case, at least two or more polyamic acid solutions having mutually same recurring units and differing in solution viscosity are mixed to obtain a polyamic acid solution of arbitrary viscosity that is lower than that of the highest- viscosity polyamic acid solution and higher than that of the lowest-viscosity polyamic acid solution. The resultant polyamic acid solution is combined with a diluent or additives or a diluent and additives with stirring to produce the polyamic acid-containing coating solution.;COPYRIGHT: (C)2004,JPO
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