{"id":57211,"date":"2024-02-15T16:28:09","date_gmt":"2024-02-15T21:28:09","guid":{"rendered":"https:\/\/textiles.ncsu.edu\/?p=57211"},"modified":"2024-03-26T14:28:35","modified_gmt":"2024-03-26T18:28:35","slug":"ph-d-student-christine-lee-researches-pla-at-the-nonwovens-institute","status":"publish","type":"post","link":"https:\/\/textiles.ncsu.edu\/news\/2024\/02\/ph-d-student-christine-lee-researches-pla-at-the-nonwovens-institute\/","title":{"rendered":"Ph.D. Student Christine Lee Researches PLA at The Nonwovens Institute"},"content":{"rendered":"\n\n\n\n\n

Degree Type:\u00a0<\/strong>Ph.D.
Expected Graduation Date:\u00a0<\/strong>2025
School\/Department:\u00a0<\/strong>Wilson College of Textiles<\/a>
Program\/Focus:\u00a0<\/strong>Fiber and Polymer Science<\/a>
Research Project:\u00a0<\/strong>PLA Nonwovens
Professor\/Faculty Advisor:\u00a0<\/strong>Behnam Pourdeyhimi, Ph.D., NWI\/NC\u00a0State University;\u00a0Mehmet Dasdemir, Ph.D., NWI\/NC\u00a0State University <\/p>\n\n\n\n

How did you come to have an interest in nonwovens?<\/strong><\/h4>\n\n\n\n

Having majored in Textile Technology<\/a> at the Wilson College of Textiles for my undergraduate studies, I was fortunate to be exposed to a wide range of materials, one of which was nonwovens. One aspect of nonwovens that was particularly interesting to me is that it is a highly interdisciplinary field of study, encompassing a very diverse background of knowledge. As such, I was encourage by the opportunity to continue my academic studies through The Nonwovens Institute<\/a> (NWI) in order to experience first-hand, in-depth learning about the wide range of applications and technologies related to nonwovens.<\/p>\n\n\n\n

Why are your research\/findings particularly important\/compelling for nonwovens applications?<\/strong><\/h4>\n\n\n\n

My research project at NWI is focused on investigating the use of polylactic acid (PLA) in nonwovens, particularly related to the structure-property-process relationships of spunbond and meltblown nonwovens. As the demands of government regulations and consumers alike push for alternative resources to enable a sustainable future, my research aims to contribute to the fundamental understanding of using PLA (and its blends with other biopolymers) as an alternative to currently used materials in the nonwovens industry.<\/p>\n\n\n\n

\"Grid
Scanning electron microscope (SEM) images of spunbond nonwovens: a) PP spunbond nonwoven at 50x magnification, b) the bond site of the PP spunbond nonwoven at 100x magnification, c) polylactic acid (PLA)+ polybutylene succinate (PBS) sheath-core spunbond nonwoven at 50x magnification, d) the bond site of the PLA+PBS sheath-core spunbond nonwoven at 100x magnification. The morphology provides additional understanding in how the process affects the overall structure and the subsequent properties (i.e., tensile) of the nonwovens.
<\/figcaption><\/figure>\n\n\n\n

Previous research conducted at NWI found that PLA blended with other bio-based polymers can lead to an improvement in properties such as crystallinity, shrinkage and heat-deflection temperature in melt-spun fibers. Building upon this prior work, Christine\u2019s NWI research project aims to enhance the properties of PLA-based nonwovens through investigations of thermal bonding, charge density and nucleation in spunbond and meltblown materials, respectively.<\/p>\n\n\n\n

\"Side-by-side
Testing apparatuses used for nonwovens. The tensile tester (left) is used to characterize tensile properties of the spunbond nonwovens. The TSI 8130A (right) is used to measure the flow rate, pressure drop and filtration efficiency to characterize the meltblown nonwovens.<\/figcaption><\/figure>\n\n\n\n

Where do you see yourself upon completion of your studies? Where do you see yourself 5-10 years into the future as you progress in your career? <\/strong><\/h4>\n\n\n\n

Following the completion of my studies at NC State, I wish to enter the industry in a career that is interdisciplinary where I can utilize the training, techniques and skillset gained from my Ph.D. in a hands-on role, such as R&D, consulting and\/or marketing within a company that values innovation and sustainability. While I hope to work within the nonwovens industry, I am open to any opportunities, as I am always looking to continuously improve myself. In 5-10 years, I see myself working in a senior role where I have been able to deepen my skills.  <\/p>\n\n\n\n

When you are not studying and doing your nonwovens research project, what are your personal interests, hobbies \u2026 any activities you would like to highlight?<\/strong><\/h4>\n\n\n\n

In my free time, I enjoy taking time outdoors, especially walking the many trails and parks in Raleigh, listening to music, reading, cooking and creating digital art. <\/p>\n\n\n\n

This story was originally published by The Nonwovens Institute. <\/a><\/h6>\n","protected":false,"raw":"\n\n\n\n\n

Degree Type:\u00a0<\/strong>Ph.D.
Expected Graduation Date:\u00a0<\/strong>2025
School\/Department:\u00a0<\/strong>Wilson College of Textiles<\/a>
Program\/Focus:\u00a0<\/strong>Fiber and Polymer Science<\/a>
Research Project:\u00a0<\/strong>PLA Nonwovens
Professor\/Faculty Advisor:\u00a0<\/strong>Behnam Pourdeyhimi, Ph.D., NWI\/NC\u00a0State University;\u00a0Mehmet Dasdemir, Ph.D., NWI\/NC\u00a0State University <\/p>\n\n\n\n

How did you come to have an interest in nonwovens?<\/strong><\/h4>\n\n\n\n

Having majored in Textile Technology<\/a> at the Wilson College of Textiles for my undergraduate studies, I was fortunate to be exposed to a wide range of materials, one of which was nonwovens. One aspect of nonwovens that was particularly interesting to me is that it is a highly interdisciplinary field of study, encompassing a very diverse background of knowledge. As such, I was encourage by the opportunity to continue my academic studies through The Nonwovens Institute<\/a> (NWI) in order to experience first-hand, in-depth learning about the wide range of applications and technologies related to nonwovens.<\/p>\n\n\n\n

Why are your research\/findings particularly important\/compelling for nonwovens applications?<\/strong><\/h4>\n\n\n\n

My research project at NWI is focused on investigating the use of polylactic acid (PLA) in nonwovens, particularly related to the structure-property-process relationships of spunbond and meltblown nonwovens. As the demands of government regulations and consumers alike push for alternative resources to enable a sustainable future, my research aims to contribute to the fundamental understanding of using PLA (and its blends with other biopolymers) as an alternative to currently used materials in the nonwovens industry.<\/p>\n\n\n\n

\"Grid
Scanning electron microscope (SEM) images of spunbond nonwovens: a) PP spunbond nonwoven at 50x magnification, b) the bond site of the PP spunbond nonwoven at 100x magnification, c) polylactic acid (PLA)+ polybutylene succinate (PBS) sheath-core spunbond nonwoven at 50x magnification, d) the bond site of the PLA+PBS sheath-core spunbond nonwoven at 100x magnification. The morphology provides additional understanding in how the process affects the overall structure and the subsequent properties (i.e., tensile) of the nonwovens.
<\/figcaption><\/figure>\n\n\n\n

Previous research conducted at NWI found that PLA blended with other bio-based polymers can lead to an improvement in properties such as crystallinity, shrinkage and heat-deflection temperature in melt-spun fibers. Building upon this prior work, Christine\u2019s NWI research project aims to enhance the properties of PLA-based nonwovens through investigations of thermal bonding, charge density and nucleation in spunbond and meltblown materials, respectively.<\/p>\n\n\n\n

\"Side-by-side
Testing apparatuses used for nonwovens. The tensile tester (left) is used to characterize tensile properties of the spunbond nonwovens. The TSI 8130A (right) is used to measure the flow rate, pressure drop and filtration efficiency to characterize the meltblown nonwovens.<\/figcaption><\/figure>\n\n\n\n

Where do you see yourself upon completion of your studies? Where do you see yourself 5-10 years into the future as you progress in your career? <\/strong><\/h4>\n\n\n\n

Following the completion of my studies at NC State, I wish to enter the industry in a career that is interdisciplinary where I can utilize the training, techniques and skillset gained from my Ph.D. in a hands-on role, such as R&D, consulting and\/or marketing within a company that values innovation and sustainability. While I hope to work within the nonwovens industry, I am open to any opportunities, as I am always looking to continuously improve myself. In 5-10 years, I see myself working in a senior role where I have been able to deepen my skills.  <\/p>\n\n\n\n

When you are not studying and doing your nonwovens research project, what are your personal interests, hobbies \u2026 any activities you would like to highlight?<\/strong><\/h4>\n\n\n\n

In my free time, I enjoy taking time outdoors, especially walking the many trails and parks in Raleigh, listening to music, reading, cooking and creating digital art. <\/p>\n\n\n\n

This story was originally published by The Nonwovens Institute. <\/a><\/h6>\n"},"excerpt":{"rendered":"

Christine Lee is a Ph.D. student in the fiber and polymer science program currently researching the use of polylactic acid (PLA) in nonwoven textiles at the Nonwovens Institute.<\/p>\n","protected":false},"author":12,"featured_media":57215,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"source":"","ncst_custom_author":"The Nonwovens Institute","ncst_show_custom_author":true,"ncst_dynamicHeaderBlockName":"ncst\/default-post-header","ncst_dynamicHeaderData":"{\"displayCategoryID\":742,\"showAuthor\":true,\"showDate\":true,\"showFeaturedVideo\":false}","ncst_content_audit_freq":"","ncst_content_audit_date":"","footnotes":"","_links_to":"","_links_to_target":""},"categories":[742,490,512,502,479],"tags":[2442,1143,2328,1610,1055,504,1382],"class_list":["post-57211","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-newswire","category-our-people","category-research-and-innovation","category-student-success","category-tecs","tag-b-s-textile-engineering","tag-department-of-textile-engineering-chemistry-and-science","tag-graduate-programs","tag-nonwovens-institute","tag-ph-d-fiber-and-polymer-science","tag-research","tag-wilson-college-of-textiles"],"displayCategory":{"term_id":742,"name":"Newswire","slug":"newswire","term_group":0,"term_taxonomy_id":742,"taxonomy":"category","description":"","parent":0,"count":477,"filter":"raw"},"acf":[],"yoast_head":"Ph.D. Student Christine Lee Researches PLA at The Nonwovens Institute - 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