History Kevlar® was first developed by chemist Stephanie Kwolekat at DuPont™ in the 1930's. Manufacturer DuPont™ Kevlar® is a trademark of Dupont Safety & Construction, Inc.

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Table 2: Adhesion Values (pli) for Typical TPE grades which are polar modified styrenic block copolymers TPE-A TPE-B TPE-C TPE-D TPE-E TPE-F TPE-G Cycoloy C2950 (PC/ABS) 12.4 A 16.7 A 15 A 15.5 C 26.4 C Cycolac T1000 (ABS) 11.9 A 17.8 A 14.5 A 15.1 C 27.2 C Lexan 141 (PC) 12.2 A 14.5 A 13.5 A 17.2 C 27.1 C Zytel 7331F (PA6) 21 A 23.5 A Zytel 73G33L (33% GF PA6) 17.2 A 19.8 A Zytel 101L (PA66) 22.1 A 20.7 A Table3: Adhesion Values (pli) for commercially available TPEs. B-TPE-65A B-TPV-55A B-TPE-35A B-TPE-50A B-TPV-55A B-TPV-70A Cycoloy C2950 (PC/ABS) 12.8 A 8.1 A 10.4 A 15.1 A Cycolac T1000 (ABS) 10.2 A 9.1 A 9.1 A 12.4 A Lexane 141 (PC) 11.7 A 10.2 8.1 A 15 A Zytel 7331F (PA6) 7.2 A 8.8 A Zytel 73G33L (33% GF PA6) 8.1 A 8.2 A Zytel 101L (PA66) 6.8 A 7.2 A 0 5 10 15 20 25 30 35 TPE-A TPE-B TPE-D TPE-E1 TPE-E2 ABS PC/ABS PC Figure 8: Adhesion values of TPEs with rigid substrates, ABS, PC and PC/ABS Consumer Product Differentiation Page 13 July 19, 2007 Today there is phenomenal interest in overmolding TPEs onto rigid substrates, particularly in the consumer product arena in applications requiring a soft touch.

It began in 1938, when a DuPont scientist named Dr. DuPont, which trademarked this material as Teflon® in 1945, first used the product in military applications and then in nonstick coatings for consumer cook and bakeware1.   For example, fluoropolymers are used as coatings for wire and cable found in buildings and aircraft thanks to their natural flame retardance.

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According to third-party life cycle analysis (LCA), there is a 61% reduction in CO₂ compared to PA66. In each case, the physical property retention of Avient’s PK-based formulations was superior to that of PA6 or PA66. Polyketone is naturally a burnt orange color and is known to be more challenging to color.

According to third-party life cycle analysis (LCA), there is a 61% reduction in CO₂ compared to PA66. In each case, the physical property retention of Avient’s PK-based formulations was superior to that of PA6 or PA66. Polyketone is naturally a burnt orange color and is known to be more challenging to color.

OnColor™ Naturals Colorants Colors Derived from Nature Video: OnColor™ Naturals Colorants

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