structural composites from waste carpet...(astm d-790) modulus of elasticity 689 mpa 1722 mpa...
TRANSCRIPT
-
Structural Composites from Waste Carpet
CARE - 8th annual conferenceSanta Fe, NM04/27/2010
Abhishek Jain, Seshumani Vorrey and Raman P. Singh
Mechanics of Advanced Materials LaboratorySchool of Mechanical and Aerospace Engineering
Oklahoma State University
Research supported byOklahoma Center for Advancement of Science and Technology
Tuesday, April 27, 2010
-
Background2
Kenny TownsendKT Plastics, Calera, OK
Dr. Abhishek K. SinghEx-graduate studentMechanics of Advanced Mechanics LaboratoryOklahoma State University
Tuesday, April 27, 2010
-
Resin infusion process3
Tuesday, April 27, 2010
-
4
Tuesday, April 27, 2010
-
Conventional methods of recycling
5
• Depolymerization• Injection and Compression molding • Melt-blending• Incineration
Mihut et al., Review: Recycling of Nylon From Carpet Waste, Polymer Engg. & Science, Sept. 2001, Vol. 41, No. 9.
Tuesday, April 27, 2010
-
Why is recycling difficult ?
• Multicomponent structure• Chemically diverse• Incompatibility• Tedious processing
6
Tuesday, April 27, 2010
-
Advantages
• Direct use of post-consumer carpet• No raw material preparation• Applicable to all types of carpet• Simple and scalable process• Room temperature processing with low
energy requirements
• Better quality product
7
Tuesday, April 27, 2010
-
Comparison 8
Properties Melt-blend Composite
MAML Laminates(ASTM D-790)
Modulus of elasticity 689 MPa 1722 MPa
Flexural strength 4 - 17 MPa 27 MPa
Density 0.6 - 1.2 g/cc 1.1 g/cc
Mancosh et al. (2008)
Tuesday, April 27, 2010
-
SEM micrographs9
!
Carpet fibers with unmodified process
Tuesday, April 27, 2010
-
Results 10
Tuesday, April 27, 2010
-
SEM micrograph 11
!
Carpet fibers with modified process
Tuesday, April 27, 2010
-
Conclusion
• Developed novel fabrication technique - engineered composite from waste carpet
• Inexpensive and easy to process• Utilizes material architecture• Harnesses the properties of fibers• Superior properties
12
Tuesday, April 27, 2010
-
On going work
• Basic mechanical properties - Screw pull out • Physical properties - Sound absorption, thermal
properties
• Application - Consumers, infrastructure, transportation
• Cost analysis
13
Tuesday, April 27, 2010
-
Acknowledgment and Partnerships
Oklahoma Center for Advancement of Science & Technology (OARS program)
Oklahoma Transportation Commission
Kenny Townsend, KT Plastics, Calera, Oklahoma
Dr. Ranji Vaidyanthan, NPDC, OSU
Dr. Dan Tilley, NPDC, OSU
Oklahoma Manufacturers Alliance
14
Tuesday, April 27, 2010