Addolink TT Isocyanate Crosslinker Rhein Chemie Engineering Plastics

Addolink® TT Isocyanate Crosslinker Rhein Chemie Engineering Plastics Additives [ April 2007 ] Eiben Engineering Plastics [ Folie: ]

Addolink® TT Chemistry ΔT Addolink TT NCO content Melting Point 2, 4 -TDI 24 % 140 °C (285 °F) 48 % 13 °C (55 °F) TT provides two isocyanate functions ready for encapsulating or other reactions At elevated temperature (> 140°C) TT splits up in two molecules of TDI two more isocyanate groups for strong bonding to substrate [ April 2007 ] Eiben Engineering Plastics [ Folie: 2]

Addolink TT Splitting Up TGA [ April 2007 ] Eiben Engineering Plastics [ Folie: 3]

Addolink TT Applications Tire Dip: Adhesion Promoter for Rubber Bonding to Polyester Fabric Urepan® and Millathane® Millable Polyurethane: Crosslinker for TDI systems Polyurethane (usually without TT split up) Coating and Adhesives Dispersions One component systems One Component Elastomers PVC: Adhesion Promoter for PVC Bonding to Fabric [ April 2007 ] Eiben Engineering Plastics [ Folie: 4]

Addolink TT PVC Adhesion Primer Application: PVC coating on fabric Adhesion primer formulation pbw PVC Plastisol 100 plus TT paste 50% in Plastiziser 3 -6 Bonding Agent TN/N 3 -5 or plus TT paste 50% in Plastiziser 2, 9 -5, 7 Bonding Agent TN/S 50 4 -8 Bonding Agent TN: Lanxess [ April 2007 ] Eiben Engineering Plastics [ Folie: 5]

Addolink TT PVC Coating Process 1. Primer coating about 120 grams per square meter Primer pre-gelling @ 120 °C 2. Top coating without adhesion promoter one or two passes with pregelling each pass 3. Curing @ about 180 °C [ April 2007 ] Eiben Engineering Plastics [ Folie: 6]

Addolink TT Tire Dip Application: Rubber to Polyester (PET) Cord Bonding Tires, conveyor belts, driving belts Adhesion Promoter: RFL Dip Resorcinol Formaldehyde Latex Dispersion Single Dip with RFL / Addolink TT dip or Pre Dip with Addolink TT solution Processing wet cord thoroughly squeeze off dry coated cord is shipped to tire maker PET plus Rayon / PA plus steel cord reinforces tires, vulcanization utilizes TT split [ April 2007 ] Eiben Engineering Plastics [ Folie: 7]

Addolink TT PU One Component Systems Common PU Cold Cast Elastomers but with Long Potlife or One Component Processing Formulation Long chain polyether or aminopolyether amine crosslinker like DETDA or glycolic crosslinker encapsulating aliphatic amine Addolink TT catalyst, anti precipitation agents etc. Storage stable for months Cures @ 100 to 140 °C [ April 2007 ] Eiben Engineering Plastics [ Folie: 8]