Specification Sheet
Product Name
Resomer® LR 708, Poly(L-lactide-co-D,L-lactide) ester terminated, L-Lactide: D,L-Lactide 70:30
Product Number
769959
Product Brand
aldrich
CAS Number
52305-30-3
Molecular Weight
Test | Specification |
|---|---|
| APPEARANCE (COLOR) | White to Off White |
| APPEARANCE (FORM) | Granules |
| ASSAY (GC WEIGHT %) | LACTIDE: ≤ 0.1 % |
| WATER | ≤ 0.5 % |
| SULFATED ASH | ≤ 0.1 % |
| PROTON NMR SPECTRUM | CONFORMS TO STRUCTURE |
| ASSAY (QUANTITATIVE NMR) | L-LACTIDE: 67 - 73 MOLE% D,L-LACTIDE: 27 - 33 MOLE% |
| VISCOSITY | INHERENT VISCOSITY: 5.7 - 6.5 DL/G |
| VISCOSITY (CONDITIONS) | 0.1% IN CHCL3 AT 25 DEG C |
| ODOUR | NEARLY ODOURLESS |
| TIN (ICP) | ≤ 60 ppm |
| RESIDUAL SOLVENTS (GLC-HS) | TOLUENE: ≤ 890 PPM |
| VENDOR INFORMATION | EVONIK SPECIFICATION |