POLYESTER FILAMENTS- MATERIALS PROPERTIES PRODUCTS AND MARKETS

POLYESTER FILAMENT MATERIALS PET (POLYETHYLENE TEREPHTHALATE) DEVELOPED IN EARLY 1940’S (ICI AND DUPONT) DUPONT “DACRON” (1942) PRIMARY MARKETS- APPAREL AND CARPET YARN DUPONT “MYLAR” (1951) FILMS AND PACKAGING AKZO “ARNITE” (1966) INJECTION MOLDABLE PET INVENTION OF THE PLASTIC BOTTLE (1973) % SYNTHETIC FIBERS 30% BOTTLES

POLYESTER FILAMENT MATERIALS PBT (POLYBUTYLENE TEREPHTHALATE) DEVELOPED INITIALLY AS A THERMOPLASTIC FOR INJECTION MOLDING ELECTRICAL CONNECTORS CELANESE “CELANEX” (1970) GENERAL ELECTRIC “VALOX” (1980) DUPONT “CRASTIN” (1980) % AUTOMOTIVE 22% ELECTRICAL/ ELECTRONIC 10% EXTRUSION AND FIBERS

POLYESTER FILAMENT MATERIALS RPET (RECYCLED POLYETHYLENE TEREPHTHALATE) Million tons of PET containers recycled 3.4 Million tons of RPET went into filaments In the US- 29.3% of PET containers recycled In Europe- 50% are recycled Sources- Association of Post Consumer Recycling, Petcore

SO…What’s So Cool About Polyester???? 1.Tough and Rigid 2.Outstanding Bend Recovery 3.Low Moisture Absorption 4.Excellent Resistance to Fuels 5.Good Resistance to Abrasion 6.Can Be Dyed 7.Excellent Availability of RPET-”Green”

Staple Set Cylinder Brush

Strip Brushes PBT PET RPET

Twisted in Wire Brush with RPET Filaments

BUMMER, What’s wrong with this stuff?????? 1.Specific Gravity 2.Attacked by Strong Acids and Bases

Single or Double Taper Any Profile Color Mixes Dyed Tips

Cosmetic Brushes Color Mixes Chemically Tipped Dyed Ends

Brush Making Methods for Polyester Filaments- Staple Set Metal Back Strip Twisted in Wire Epoxy Set In Mold Whatever the end product, all processes work with Polyester!

With Polyester, the opportunities are endless and comfortable !!!!!!!!

Thank you!