Westlake Epolene® E-25 Chemically Modified Polypropylene, Maleation Processed

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Westlake Epolene® E-25 Chemically Modified Polypropylene, Maleation Processed (discontinued **)
Categories:	Polymer; Thermoplastic; Polypropylene (PP)
Material Notes:	Product Description: Epolene E-25 is a maleic anhydride grafted polypropylene recommended as a coupling agent for polypropylene (PP) composites and for providing slip resistance in floor finish emulsions. Because of the polarity and anhydride functionality, Epolene E-25 is useful for laminating, as a compatibilizer for PP blends with nylon or EVOH, and for enhancing the strength of composites that utilize reinforcements / fillers such as glass, talc, calcium carbonate, and metals. Key Attributes: Coupling agent and compatibilizer for PP composites and alloys Excellent pigment dispersion ai Maleic anhydride grafted polypropylene (PP) Provides slip resistance in floor polish finishes Useful in adhesive blends Application/Uses: Automotive Bookbinding Building and Construction Caulks and Sealants Hot Melt Adhesives Laminating Solvent borne Adhesives Waterborne Adhesives
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Physical Properties	Original Value	Comments

Viscosity	150 - 700 cP @Temperature 190 °C	542-130
Brookfield Viscosity	300 cP @Temperature 190 °C
Molecular Weight	12000 g/mol

Chemical Properties	Original Value	Comments
Total Acid Number	25

Thermal Properties	Original Value	Comments
Ring & Ball Softening Point	157 °C	ASTM E28

Optical Properties	Original Value	Comments
Gardner Color Number	9.0
	<= 11	542-111

Descriptive Properties
Penetration Hardness	<1 dmm	ASTM D5, Needle under 100-g load for 5s @ 25 deg C, tenths of mm

**
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PWESF9040 / 106877

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