发明名称 PRODUCT FOR DESACIDIFICATION OF CELLULOSE MATERIAL, PRODUCTION AND UTILIZATION THEREOF
摘要 The product is in the form of a solution and is comprised of carbonated magnesium di-n-propylate, n-propanol and a hydrofluorocarbonated diluent (HFC) selected between 1,1,1,2-tetrafluoroethane (HFC 134a) and 1,1,1,2,3,3,3-heptafluoropropane (HFC 227). The product can be obtained through a process which comprises the preparation of a solution of di-n-propylate of magnesium carbonate into n-propanol and diluting said solution by addition of the diluent HFC. The product is appropriate for desacidification of cellulose material and preservation of objects based on cellulose material.
申请公布号 WO0008250(A2) 申请公布日期 2000.02.17
申请号 WO1999ES00242 申请日期 1999.07.29
申请人 UNIVERSITAT POLITECNICA DE CATALUNYA;AREAL GUERRA, ROGELIO 发明人 AREAL GUERRA, ROGELIO
分类号 D21H25/18;(IPC1-7):D21C/ 主分类号 D21H25/18
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