Cov kws tshawb fawb ntawm University of Georgia tau tsim cov khoom siv tshiab uas nws cov khoom zoo tagnrho rau cov khoom siv kho mob xws li lub qhov ncauj qhov ntswg thiab cov ntaub qhwv. Nws tseem yog ib puag ncig zoo dua li cov khoom siv tam sim no.
Siv cov nonwovens (fabrics ua los ntawm kev koom nrog fibers yam tsis muaj weaving los yog knitting), pab neeg no coj los ntawm Gajanan Bhat muaj peev xwm tsim tau yooj yim, breathable thiab absorbent composite cov ntaub ntawv uas zoo tagnrho rau kev kho mob. Kev suav nrog cov paj rwb kuj ua rau cov khoom tsim tau yooj yim ntawm daim tawv nqaij (ib qho tseem ceeb rau kev kho mob) thiab yooj yim rau compost, ua rau nws tus phooj ywg zoo dua li cov khoom zoo sib xws tam sim no nyob rau hauv kev ua lag luam.
Hauv nws qhov chaw kuaj mob ntawm Northern Riverbend Research Laboratory, xibfwb Gajanan Bhat qhia tau hais tias elastic nonwovens tuaj yeem qhwv thiab siv los ua khaub ncaws kho mob. (Duab los ntawm Andrew Davis Tucker / University of Georgia)
Nrog kev pab nyiaj los ntawm USDA, cov kws tshawb fawb tau sim ntau yam kev sib txuas ntawm cov paj rwb thiab cov khoom siv tsis-woven, nrog rau cov khoom qub uas tsis yog woven, rau cov khoom xws li breathability, dej nqus thiab stretchability. Composite fabrics ua tau zoo nyob rau hauv kev ntsuam xyuas, muab breathability zoo, nqus dej ntau dua thiab zoo tensile rov qab, txhais tau tias lawv muaj peev xwm tiv taus rov siv dua.
Qhov kev thov rau nonwovens tau loj hlob nyob rau hauv xyoo tas los no, thiab kev lag luam tus nqi yuav tsum ncav cuag US $ 77 nphom hauv 2027, raws li tsab ntawv ceeb toom los ntawm Acumen Kev Tshawb Fawb thiab Kev Sib Tham. Nonwovens yog siv dav hauv cov khoom siv hauv tsev xws li cov ntaub qhwv, cov khoom siv tu cev, thiab cov lim cua thiab dej. Lawv tsis muaj dej, hloov pauv, ua pa, thiab lawv lub peev xwm lim cua ua rau lawv zoo tagnrho rau kev siv kho mob.
"Ib txhia ntawm cov khoom no uas siv rau biomedical lub hom phiaj, xws li thaj ua rau thaj thiab ntaub qhwv, yuav tsum tau ib co stretching thiab rov qab stretching. Tab sis vim hais tias lawv los rau hauv kev sib cuag nrog lub cev, siv paj rwb yuav pab tau tiag tiag, hais tias Tsev Neeg thiab Consumer College. Services hais tias Barth, lub rooj zaum ntawm lub Department of Textiles, Merchandising thiab interior Design, uas co-authored cov tub ntxhais kawm ntawv tam sim no. thiab Shafiqul Islam.
Txawm hais tias paj rwb tsis yog stretchy li non-woven npuag, nws yog absorbent thiab softer, ua rau nws nyiam hnav. Paj rwb kuj yog cov qoob loo loj hauv Georgia thiab yog ib feem tseem ceeb ntawm lub xeev kev lag luam. USDA yeej ib txwm nrhiav kev siv tshiab rau paj rwb, thiab Barth tau hais tias lawv "sib txuas cov nonwovens stretchable nrog paj rwb los tsim ib yam dab tsi uas siab hauv paj rwb cov ntsiab lus thiab stretchy."
Xib Fwb Gajanan Bhat sim stretchable nonwovens siv lub permeability tester nyob rau hauv nws lub chaw soj nstuam ntawm Riverbend North Research Laboratories. (Duab los ntawm Andrew Davis Tucker / University of Georgia)
Barth, uas tshwj xeeb hauv nonwovens, ntseeg tias cov khoom siv tau tuaj yeem khaws cov khoom xav tau ntawm nonwovens thaum ua tau yooj yim rau kev lis thiab compostable.
Txhawm rau kuaj cov khoom ntawm cov khoom sib xyaw, Bhat, Sikdar thiab Islam ua ke paj rwb nrog ob hom nonwovens: spunbond thiab meltblown. Spunbond nonwovens muaj coarser fibers thiab yog feem ntau resilient, thaum yaj extruded nonwovens muaj finer fibers thiab muaj zoo pom zog.
"Lub tswv yim yog, 'Dab tsi ua ke yuav ua rau peb tau txais txiaj ntsig zoo?" Butt hais. "Koj xav kom nws muaj qee qhov kev rov zoo, tab sis kuj ua pa thiab muaj peev xwm ua phem."
Pab neeg tshawb fawb tau npaj cov ntaub ntawv sib txawv ntawm cov thicknesses sib txawv thiab ua ke nrog ib lossis ob daim ntawv paj rwb, ua rau 13 ntau yam rau kev sim.
Kev ntsuam xyuas tau pom tias cov khoom siv sib xyaw tau txhim kho kev nqus dej zoo dua piv rau cov khoom qub uas tsis yog-woven, thaum tswj kev ua pa zoo. Cov ntaub ntawv sib xyaw nqus dej 3-10 npaug ntau dua li cov ntaub tsis yog paj rwb. Cov khoom sib xyaw kuj tseem khaws lub peev xwm ntawm cov nonwovens kom rov qab los ntawm kev ncab, tso cai rau lawv kom haum raws li kev txav mus los yam tsis muaj deformation.
Cov txheej txheem ntawm kev ua cov ntaub ntawv tsis sib xws tuaj yeem siv cov paj rwb qis dua thiab qee zaum txawm tias pov tseg lossis siv paj rwb los ntawm kev tsim cov khoom xws li T-shirts thiab cov ntaub pua txaj, hais tias Barth, tus xibfwb ntawm fibers thiab textiles ntawm Georgia Athletic Association. Yog li, cov khoom tsim tau ntau dua ib puag ncig tus phooj ywg thiab pheej yig dua los tsim.
Txoj kev tshawb no tau luam tawm nyob rau hauv phau ntawv Journal Industrial Textiles. Co-sau yog Doug Hinchliffe thiab Brian Condon ntawm USDA Southern Regional Research Center.
Post lub sij hawm: Jan-23-2024