1. Copyright - NWI, NC State University - 1991-2014 The Nonwovens Institute Established 1991 as a NSF State I/UCRC 1 Introduction to NWI NAFA 2014 Technical Seminar Genevieve Garland, PhD Director – Partnership and Market Intelligence

2. Copyright - NWI, NC State University - 1991-2014 NC State University  North Carolina State University is a Research I University with more than 34,000 students and nearly 8,000 faculty and staff.  North Carolina State University is a comprehensive university known for its leadership in education and research, and globally recognized for its science, technology, engineering and mathematics leadership. 2

3. Copyright - NWI, NC State University - 1991-2014 History of Nonwovens at NC State  The Nonwovens Cooperative Research Center (NCRC) was founded in 1991 as a State-IURC from grants from the United State National Science Foundation (NSF), the State of North Carolina, and Industry. NCRC Graduated from NSF in 1998.  NCRC has grown to be the largest industry cooperative research center in the Nation.  The Nonwovens Institute (NWI) was established on February 15, 2007. 3

4. Copyright - NWI, NC State University - 1991-2014 The Nonwovens Institute 65+ Global industry members 98% supported by private industry Facilities worth $30 million Close interaction with industry 65+ Global industry members 98% supported by private industry Facilities worth $30 million Close interaction with industry World’s first accredited academic program for the interdisciplinary study of engineered fiber materials Supports 40+ graduate students Fiber and Polymer Science and Engineering Chemical and Bimolecular Engineering Forest Biomaterials Material Science and Engineering Members include 3M, BASF, P&G, H&V, Donaldson, ExxonMobil, Cummins Filtration, Freudenberg, etc Nonwovens Institute Nonwovens Institute Textiles Engineering Paper Science

5. Copyright - NWI, NC State University - 1991-2014 What We Actually Do at NWI? Education Testing & Fabrication New Product Development Funded by NWI PhD Research Graduate Certificate Short Courses In-plant Training 40+ PhD Students Faculty Meet twice/year Project monitoring Typically no IP, but Bylaws define IP rights Funded by Sponsor No student/faculty involvement Research Staff only Confidential Sponsor present at trial Sponsor defines protocol Simple Agreement with no IP terms Enabler for innovation Funded by Sponsor No student involvement Research scientists Meet monthly Reporting requirement Project monitoring Option to License IP generated Assistance with commercialization Funded by Sponsor Help commercialize technologies developed at NWI Manufacture on a limited basis products Identify companies who can produce the products Transfer technology to client Incubation LINC, LL LINC is a non-profit affiliated entity of NC State… 5

6. Copyright - NWI, NC State University - 1991-2014 Market Impact Platform Technologies Training Future Leaders Open Innovation Network Benefits to Members Translation Education & Outreach Initiatives Materials & Process Technologies Surface & Bulk Engineering Micro and Macro Modeling Nonwovens, Fiber & Polymer Science and Eng., and Paper Science Platform Technologies Medical & Hygiene FiltrationFiltrationAutomotiveAutomotiveWipesWipesBuilding&IndustrialBuilding&Industrial Emerging Durables Market Segments 6

7. Copyright - NWI, NC State University - 1991-2014 New Product Development Product Development Examples  New high surface area fiber  New splittable fiber/spunbond  High strength nonwoven for shelters  Durable nonwovens for uniforms  3-D nonwovens  Modeling of meltblowing process  3-D modeling of nonwoven structures  New acoustical nonwovens for speakers 7

8. Copyright - NWI, NC State University - 1991-2014 Be The “Go-To” Information Resource Professional Development Standard Courses  Nonwoven Products and Processes  Manufacturing Process Fundamentals  Spunbonding & Meltblowing Fundamentals  Bonding Fundamentals  Characterization Methods Customized Courses  Microscopy and Image Analysis  Filtration  Wipes  Industrial Nonwovens  Automotive Nonwovens  Acoustics  Etc……. 8

9. Copyright - NWI, NC State University - 1991-2014 Why Are We Here?  Exploring opportunities for NWI and NAFA work together to enhance education and training in air filtration Better understand the industry needs Better understand the needs of air filtration professionals 9

10. Copyright - NWI, NC State University - 1991-2014 Advanced Filtration Course 1Introduction Current status of air filtration 2Aerosol property Aerosol definition Particle motion CategoryDetail subject 3Aerosol property Particle adhesion Brownian motion 4Aerosol property Electrical properties Aerosol generation 5Filtration mechanisms Mechanical filtration Electrostatic filtration- Air purifiers 6Filtration mechanisms 7 Gas filtration 8Pressure drop & permeability Principles of pressure drop and permeability Relationship with fiber and web structure 9Dust loading property Solid aerosol Liquid and oil aerosol 10Gas loading propertyGas absorption phenomena

11. Copyright - NWI, NC State University - 1991-2014 Advanced Filtration Course 11Filter formation Fiber formation  Melt-spinning (MB, SB, glass fiber)  Staple processing (NP, carding)  Electrospinning  Fibrillation 12Filter formation 13Filter formation 14Filter Manufacturing process Electrostatic charging process Filter manufacturing process 15Product developmentHAVC filter and house filter 16Product developmentCabin air filter and high temperature filter 17Product developmentNew Media 18Filter evaluation Testing materials Testing instruments Filter media evaluation Filter element evaluation 19Filter evaluation 20Filter evaluation Web properties Uniformity Strength 21Filter evaluation 22Filter evaluation Pore size Air permeability 23Special topicCurrent issues on aerosol filter 24Special topicMeasuring Airflow and Pressure Measuring Temperature and Humidity Use of Particle Counters & Interpretation of Results Statistical Manipulation and Results of In- Situ Testing CategoryDetail subject