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Specification Sheet

Product Name
Resomer® LC 703 S, Poly(L-lactide-co-ε-caprolactone) ester terminated, lactide:caprolactone 70:30

Product Number
769851

Product Brand
aldrich

CAS Number
65408-67-5

Molecular Weight

Test

Specification

APPEARANCE (COLOR)White to Off White
APPEARANCE (FORM)Granules or Flakes
ASSAY (GC WEIGHT %)L-LACTIDE: ≤ 1 %
CAPROLACTONE: ≤ 1 %
WATER≤ 0.5 %
SULFATED ASH≤ 0.1 %
PROTON NMR SPECTRUMCONFORMS TO STRUCTURE
ASSAY (QUANTITATIVE NMR)L-LACTIDE: 67 - 73 MOLE%
CAPROLACTONE: 27 - 33 MOLE%
VISCOSITYINHERENT VISCOSITY: 1.3 - 1.8 DL/G
VISCOSITY (CONDITIONS)0.1% IN CHCL3 AT 25 DEG C
ODOURNEARLY ODOURLESS
TIN (ICP)≤ 60 ppm
RESIDUAL SOLVENTS (GLC-HS)TOLUENE: ≤ 890 PPM
VENDOR INFORMATIONEVONIK SPECIFICATION