DuPont Elastomers Neoprene Latex 671A (Polychloroprene)

Subcategory: Elastomer, TS; Thermoset

Close Analogs: This former DuPont Dow Elastomers product line is now produced by DuPont Performance Elastomers.

Key Words: Polycholorprene Rubbers

Material Notes:
Main feature: DPHS. Principal uses include: Dipped goods, Coatings, Mastics, Thread, Adhesives (Lamination, Contact).

Solids content: 59%. Initial pH: 12.5. Surface tension: 41 dyne/cm. Polymer type: Low gel. Emulsifying agent: K salt of disproportionated rosin acids and polymerized potassium salts of alkyl naphthaline sulfuric acid. Moderate crystallization rate.

Wet Gel Properties: High tensile strength. High elongation. Medium cure rate. Medium modulus.

General Neoprene Latex Information: Neoprene latexes are aqueous colloidal dispersions of polychloroprene or of copolymers of chloroprene with other monomers such as methacrylic acid or 2,3-dichloro-1,3-butadiene. They are available in both anionic and nonionic surfactant systems. All neoprene latexes have a unique combination of inherent characteristics including excellent film formation; high cohesive strength without curing; elastomeric properties over a wide temperature range; and considerable resistance to degradation from chemical or environmental exposure. Uses include adhesives, binders, coatings, dipped goods, elasticized asphalt and concrete, and foam.

Information provided by DuPont Dow Elastomers.