taulman3D and DuPont Packaging & Industrial Polymers (DuPont) have collaborated on a unique new flexible 3D printing material, T-lyne.

In response to the growing need for 3D printing materials with higher durability and flexibility, T-lyne is a unique, crystal clear polyethylene copolymer developed specifically for high durability, flexibility, unique viscosity and a wide temperature range. The material uses DuPontTM Surlyn ionomer and possesses glass-like aesthetics at high layer sizes using low speed and low temperatures in the range of 190 C to 210 C.

DuPont and taulman3D have been working together since summer 2015 on specifics of a new flexible material that would be easily printed and adhere to almost any print bed. It represents one of the first times a major and globally recognised chemical company has taken significant interest in the development of 3D printing materials.

DuPontTM Surlyn in T-lyne meets FDA 21CFR 177.1330(a) and can potentially be used in prosthetics where the most unique feature is the ability to immerse a part into hot water, make some minor adjustments, then cool the part and the part will maintain the adjustments as if it were printed in final form. For years, clinics have used polyethylene braces, temporary casts and corrective positioning components to more closely match the end user’s exact needs. The clarity of T-lyne allows one to see into or through a part with as many as 5-8 perimeters and determine where adjustments may be needed. This same clarity is used for non-destructive evaluation of any printed utility part as internal adhesion is paramount.

DuPontTM Surlyn ionomers are also noted for their extreme durability. Surlyn is used to coat golf balls and bowling pins to protect both from the elements and extreme abuse. In addition, Surlyn can provide very uniform colour ability, if required.

taulman3D worked with David D. Zhang of DuPont in line development and testing of a specific Surlyn isomer for 3D Printing. David was a significant help in defining the best Surlyn polymer to be used in 3D printing with the best overall bed adhesion of any material to date. Testing shows T-lyne prints easily on cold and warm (40 C) surfaces, such as clean glass, PEI, Ultem, Borosilicate glass, acrylic, BuildTak, GeckoTek and others.

taulman3D commented: "For our part at taulman3D, we are extremely pleased to work with DuPont and committed to working directly with all Chemical Companies as we continue to bring feature rich materials to the 3D Printing community."