技术规格说明书
产品名称
Resomer® RG 752 S, Poly(D,L-lactide-co-glycolide) ester terminated, lactide:glycolide 75:25
产品编号
769827
产品品牌
aldrich
化学文摘社编号
197526-99-1
分子量
Test皿 | 规格 |
|---|---|
| APPEARANCE (COLOR) | White to Off White |
| APPEARANCE (FORM) | Powder or Solid or Chunk(s) |
| ASSAY (GC WEIGHT %) | D,L-LACTIDE: ≤ 0.5 % GLYCOLIDE: ≤ 0.5 % |
| GEL-PERMEATION CHROM. | MW: Report Results -br- MN: Report Results -br- D: Report Results |
| WATER | ≤ 0.5 % |
| SULFATED ASH | ≤ 0.1 % |
| PROTON NMR SPECTRUM | CONFORMS TO STRUCTURE |
| ASSAY (QUANTITATIVE NMR) | D,L-LACTIDE: 73 - 77 MOLE% GLYCOLIDE: 23 - 27 MOLE% |
| VISCOSITY | INHERENT VISCOSITY: 0.16 - 0.24 dl/g |
| VISCOSITY (CONDITIONS) | 0.1% in CHCl3 at 25 deg C |
| ODOUR | NEARLY ODOURLESS |
| ACID VALUE | ≤ 1 mg KOH/g |
| TIN (ICP) | ≤ 100 ppm |
| RESIDUAL SOLVENTS (GLC-HS) | ACETONE: ≤ 0.1 % TOLUENE: ≤ 890 ppm TOTAL: ≤ 0.1 % |
| VENDOR INFORMATION | EVONIK SPECIFICATION |