428213

Poly-(propylen-co-ethylen)

average M_w ~28,700, average M_n ~9,100 (GPC vs. polyethylene stds.)

• Lineare Formel: [CH₂CH(CH₃)]_X(CH₂CH₂)_Y
• CAS-Nummer: 9010-79-1
• MDL-Nummer: MFCD00134017
• UNSPSC-Code: 12162002

Eigenschaften

• Mol-Gew.: average M_n ~9,100 (GPC vs. polyethylene stds.); average M_w ~28,700
• Härte: 30 dmm (Penetrometer, ASTM D 5)
• Viskosität: 200 poise(190 °C, Brookfield Thermosel)(lit.)
• Übergangstemp.: T_g −22 °C; softening point 135 °C (ring and ball, ASTM E 28)
• Dichte: 0.9 g/mL at 25 °C (lit.)
• SMILES String: C=C.CC=C
• InChI: 1S/C3H6.C2H4/c1-3-2;1-2/h3H,1H2,2H3;1-2H2
• InChIKey: HQQADJVZYDDRJT-UHFFFAOYSA-N

Beschreibung

Anwendung

Base polymer in hot melt adhesives and paper-laminating, extender and viscosity modifier in caulks and sealants and waterproofing agent in wire and cable applications.

Low odor, good heat stability, low color and broad compatibility with elastomers, plastics and tackifying resins.

Physikalische Form

Amorphous copolymer.