发明授权
US06914139B2 Solution of cellulose acylate dissolved in mixed solvent of ketone and ester 失效
溶解在酮和酯的混合溶剂中的酰化纤维素溶液

Solution of cellulose acylate dissolved in mixed solvent of ketone and ester
摘要:
In a cellulose acylate solution, cellulose acylate is dissolved in an essentially non-chlorinated solvent. The essentially non-chlorinated solvent is a mixture of a ketone having a solubility parameter of 19 to 21 and an ester having a solubility parameter of 19 to 21. The solution further contains a releasing agent.
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