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428191

Sigma-Aldrich

Poly(ethylene-co-propylene)

average Mw ~9,500, average Mn ~2,900 (GPC vs. polyethylene stds.)

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About This Item

Linear Formula:
[CH2CH(CH3)]X(CH2CH2)Y
CAS Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:

mol wt

average Mn ~2,900 (GPC vs. polyethylene stds.)
average Mw ~9,500

hardness

>100 dmm (Penetrometer, ASTM D 5)

viscosity

3 poise(190 °C, Brookfield Thermosel)(lit.)

transition temp

Tg −33 °C
softening point 120 °C (ring and ball, ASTM E 28)

density

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

InChI key

HQQADJVZYDDRJT-UHFFFAOYSA-N

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Application

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.

Features and Benefits

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

Physical form

Amorphous copolymer.

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

新产品

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