The bonding characteristics of TPE-2 materials to all the substrates were adhesive in nature. Figure 1 Surface energy of various thermoplastic elastomers with rigid thermoplastics Engineering Plastics Polyamide 6,6 ABS Polycarbonate Acrylic Polystyrene Polypropylene Polyethylene Elastomers COPA TPU COPE S-TPE TPV mPE Surface Energy (mN/m) 46 43 40 37 34 31 28 Figure 2 Schematic diagram of the peel test Table I Physical property of TPE-1 Shore A Hardness (10 second delay) 44 Specific Gravity (g/cm3) 0.90 Color Natural 300 % Modulus (PSI) 348 Tensile Strength (PSI) 603 Elongation at Break (%) 598 Tear Strength (lbf/in) 110 Table II Adhesion value of TPE-1 on different substrates Substrate Average Peel Strength (lbf) Failure Type PP 17 Cohesive Copolyester 13 Adhesive PET 13 Adhesive PPE/HIPS 18 Adhesive PMMA 15 Adhesive PS 18 Adhesive PC 17 Adhesive PC/ABS 14 Adhesive HIPS 13 Adhesive ABS 13 Adhesive Table III Properties and peel strength of TPE-2 materials 15.37Nylon 11.16.5POM 227Polyester 22.619PC/ABS 24.5-ABS 20.828PP Peel Strength (PIL) 713721Tensile Elongation (%): 10811010Tensile Strength (psi): 5651Hardness: BA 15.37Nylon 11.16.5POM 227Polyester 22.619PC/ABS 24.5-ABS 20.828PP Peel Strength (PIL) 713721Tensile Elongation (%): 10811010Tensile Strength (psi): 5651Hardness: BA Figure 3 Capillary viscosity of TPE-1 and -2 at 200°C 1.00E+00 1.00E+01 1.00E+02 1.00E+03 1.00E+01 1.00E+02 1.00E+03 1.00E+04 1.00E+05 Shear rate (1/sec) Vi sc os ity (P a* se c) TPE-1 TPE-2A TPE-2B GLS Corporation Abstract Introduction Experimental Material Two classes of “universal overmolding TPEs” have been developed and used in this study.

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X15502004501 NATURAL NN-1000 LW NATURAL AM-20CF/000 NATURAL

GEON EXP CP X15502110701 NATURAL GEON EXP CP 15502109205 NATURAL GEON EXP CP 15502113001 NATURAL

FIRECON CPE 1240 UV RoHS NATURAL XT-100-BW00 NATURAL GEON WJJC316 NATURAL 0000

RT3985 Natural 83701480 NATURAL PLASTISOL Onflex-S FR 40A-3S1841 Natural

CORE(TM) V1857 NATURAL NON-PHTHALATE SC-2959 G NATURAL, PART A SC-2959 G NATURAL, PART B

GEON EXP CP 15021305811 NATURAL 0000 GEON EXP CP 15021305810 NATURAL 0000 GEON EXP CP 15021305813 NATURAL 0000

GEON L0680 NATURAL 0000 GEON D9002 NATURAL 0000 16905-01 EXPD90C0 NATURAL

NY-0122071 NATURAL 5209 S4 NATURAL A AT-000/15T NATURAL