Speciality Finishes on Medical Textiles for Healthcare and Hygiene - Mulchandani, Neha
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There is continuous ongoing search of new materials and technology to fulfil the changing demands and requirements of users in the field of medical textiles. In the recent years, there has been growing need for developing finishes which can offer improved protection from UV and microorganisms. Modern performance textiles with all such properties are required in many applications in the field of medical textiles and one such area is textiles for healthcare and hygiene.This book is based on a study that is aimed to treat medical grade cotton fabrics with speciality finishes namely ZnO…mehr

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Produktbeschreibung
There is continuous ongoing search of new materials and technology to fulfil the changing demands and requirements of users in the field of medical textiles. In the recent years, there has been growing need for developing finishes which can offer improved protection from UV and microorganisms. Modern performance textiles with all such properties are required in many applications in the field of medical textiles and one such area is textiles for healthcare and hygiene.This book is based on a study that is aimed to treat medical grade cotton fabrics with speciality finishes namely ZnO nano-finish with different binders and fluorocarbon based fluid repellent finish involving process optimization for imparting functional properties such as antibacterial and fluid repellency and to use these treated fabrics for design and developing healthcare and hygiene apparel. The first phase of this research work comprised of survey carried out in manufacturing companies in order to find out the details of fabrics and finishes being used for healthcare apparel which included doctors coat, gowns, etc. The second phase of the research work comprised of survey in hospitals to determine the performance satisfaction and to gauge the problems associated with healthcare apparel and requirements expected from users. The third phase of the research work included functional finishing of two types of 100% cotton fabrics (with different weave and GSM) using zinc oxide nanoparticles and fluorocarbon based fluid repellent finish. Metal oxide ZnO nanoparticles were prepared, characterized and applied on fabric samples by pad dry cure method and process parameters such as concentration of nano ZnO and polymeric binders-Polyvinyl alcohol (PVA), Polyurethane (PU) and Butyl Acrylic (BA) were optimized to render antibacterial properties. The fourth phase of the research work comprised of developing designs of healthcare apparel-doctor's coat, scrub top and surgical gown. The swatches of treated fabrics and developed designs were shown to users for assessing their perception for lustre and hand or feel of treated fabrics and preference for design. The prototypes scrub top with design preferred by the respondents were made and were given for wear trial to four volunteers. The validation of performance characteristics of the prototypes was investigated further through bioburden test. Phase I findings indicated that cotton and cotton blends were largely being used in reusable category for healthcare and hygiene apparel. Also, speciality finishes such as antibacterial and fluid repellent finishes were seldom applied however on customer requirements. From the findings of survey in Phase II, most often, surgeons and OT nurses used reusable gowns. XRD and UV spectroscopy results of Phase III confirmed the formation of ZnO nanoparticles. As per TEM results, the nanoparticles were dumbbell shaped and the PSD results based on number showed that the average size of nanoparticles is 90.5nm. With regards to physical properties, ZnO/PVA+FRF treated samples showed slight increase in GSM, stiffness, improvement in tearing strength and abrasion resistance, with minimal change in tensile strength and decrease in air permeability. The water repellency was better for ZnO/PVA+ FRF treated fabrics than ZnO/PVA and FRF finished fabrics. The oil repellency of ZnO/PVA+FRF finished fabrics was similar to FRF finished fabrics. Further, ZnO/PVA+FRF fabrics retained greater than 95% activity after 50 washes for S. aureus and K. pneumoniae. This research therefore highlights that specialty finishes using nanotechnology can effectively be used for production of value added products in the field of healthcare and hygiene.