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.
|