技术规格说明书
产品名称
Resomer® RG 750 S, Poly(D,L-lactide-co-glycolide) ester terminated, lactide:glycolide 75:25
产品编号
769770
产品品牌
aldrich
化学文摘社编号
26780-50-7
分子量
Test皿 | 规格 |
|---|---|
| APPEARANCE (COLOR) | White to Off White |
| APPEARANCE (FORM) | Solid |
| ASSAY (GC WEIGHT %) | D,L-LACTIDE: ≤ 0.5 % GLYCOLIDE: ≤ 0.5 % |
| 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 (CONDITIONS) | 0.1% IN CHCL3 AT 25 DEG C |
| ODOUR | NEARLY ODOURLESS |
| VISCOSITY | INHERENT VISCOSITY: 0.8 - 1.2 DL/G |
| TIN (ICP) | ≤ 100 ppm |
| RESIDUAL SOLVENTS (GLC-HS) | ACETONE: ≤ 0.1 % TOLUENE: ≤ 890 PPM TOTAL: ≤ 0.1 % |
| VENDOR INFORMATION | EVONIK SPECIFICATION |