Banana Fibres

7/24/2019 Banana Fibres

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BANANA FIBRES


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INTRODUCTION

Plant fbers are schlerenchymatous cells wth hea!ly l"nfe# cellwalls ha!n" a narrow lumen n cross secton$ Fber cells are #ea# atmaturty an# ser!e as a su%%ort tssue$

Natural fbers %ossess se!eral a#!anta"es o!er synthetc fbers suchas low #ensty& a%%ro%rate st'ness an# mechancal %ro%ertes an#also h"h #s%osablty an# renewablty$ Also& they are recyclable an#bo#e"ra#able$

Banana fbers can be use# (or !arous %ur%oses such as n te)tle&%a%er or han#cra(ts n#ustry$

Banana %a%er s !ersatle as t s water%roo( an# stron"er than woo#*%ul% %a%er& meann" t can be use# n %ac+a"n" an# e!en as a bass(or bul#n" materals$

In#a s the frst banana (rut %ro#ucer n the worl# an# the yel# s ,-mllon tons %er year$ A(ter har!estn"& the %seu#o stem o( banana s#s%ose# as a waste materal$ The fber content o( the abo!e materals ./$01 an# can be e'ect!ely use# as a source o( natural fbers$


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Banana fbers can be e)tracte# by em%loyn" chemcal&mechancal or bolo"cal metho#s$ Chemcal metho#causes en!ronmental %olluton& whle mechancalmetho# (als to remo!e the "ummy materal (rom the

fber bun#le sur(ace$ Bolo"cal %roce#ures yel# more fber bun#les than the

other two %roce#ures wthout any harm to theen!ronment$ The e)tracton o( banana fbers usn"bolo"cal natural rettn" has alrea#y been re%orte#$

A(ter e)tractn" the fbers& #e"ummn" s essental %rorto the utl2aton o( fbers$ The remo!al o( hea!lycoate#& non*cellulosc "ummy materal (rom thecellulosc %art o( %lant fbers s calle# #e"ummn"$

Pectnases ha!e a lea#n" role n the #e"ummn" o(natural fbers by remo!n" nterlamellar %ectn whchacts as a cementn" substance between the fbers$Sol#*state (ermentaton s an e3cent tool (or mcrobalen2yme %ro#ucton nclu#n" %ectnases.The yel# o( a#esre# %ro#uct un#er SSF #e%en#s u%on se!eral (actorsl+e %artcle s2e o( the substrate& ntal mosture

content o( the me#um& ncubaton tem%erature etc$ an#


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Processes For E)tracton o(Banana Fbre

Japanese Method

Nepalese MethodMechanical

ExtractionChemical Extraction


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4ets Stu#y the 5etho#s nBre(

The cult!aton o( banana (or clothn" an# other

househol# use n 6a%an #ates bac+ to the ,0thcentury$

In the 6a%anese metho# o( ma+n" banana fber&the care s ta+en r"ht (rom the sta"e o( %lant

cult!aton$ The lea!es an# shoots o( the banana%lant are %rune# %ero#cally to ensure therso(tness$

The har!este# shoots are frst bole# n lye to%re%are the fbers (or ma+n" the yarn$ These

banana shoots "!e away fbers ha!n" !aryn"

6a%anese 5etho#


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Ths (urther results n yarns an# te)tles wth#'ern" 7ualtes that can be use# (or s%ecfc%ur%oses$ The outermost fbers o( the shootsare the coarsest ones$

They are there(ore& more sutable (or ma+n"such home (urnshn" as tablecloths$ The

so(test %art s the nnermost %art that "!esso(t fbers whch are w#ely use# (or ma+n"+mono an# +amshmo& the tra#tonal

6a%anese a%%arels$ The banana cloth ma+n"

%rocess s a len"thy one an# all the ste%s are%er(orme# by han#$


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Ne%alese 5etho#

In Ne%al& the trun+ o( the banana %lant shar!este# nstea# o( the shoots$ Small %eces o(these trun+s are %ut throu"h a so(tenn" %rocess(or mechancal e)tracton o( the fbers& an# thenbleachn"& an# #ryn"$

The fber obtane# thus has a%%earance smlarto sl+ whch has become %o%ular as banana sl+

fber yarn$ Ths fber s refne#& %rocesse# an#s+ene# mostly by the Ne%alese women$


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Only the a"e# bar+ or the #ecayn" outer layerso( the banana %lant are har!este# an# soa+e# nwater to 7uc+en the natural %rocess$ 8hen allthe chloro%hyll s #ssol!e#& only the cellulosefbers reman$

They are e)tru#e# nto %ul% so that they may

become sutable (or s%nnn" nto yarn$ The yarns then han#* #ye#$

They ha!e h"h te)tural 7ualty smlar to sl+an# as such em%loye# n ma+n" h"h en# ru"s$

These tra#tonal ru"s are wo!en by han#*+notte# metho#s a"an by the women o( Ne%al$


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5echancal E)tracton Ths mechancal an# manual e)tracton o( banana

fbres was te#ous& tme consumn"& an# cause##ama"e to the fbre$

Conse7uently& ths ty%e o( techn7ue cannot be

recommen#e# (or n#ustral a%%lcaton$ A s%ecalmachne was #es"ne# an# #e!elo%e# (or thee)tracton o( banana fbres n a mechancallyautomate# manner$

It consste# manly o( two hor2ontal beamswhereby a carra"e wth an attache# an# s%ecally#es"ne# comb& coul# mo!e bac+ an# (orth$


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The fbre e)tracton usn" ths techn7ue coul#be %er(orme# sm%ly by %lacn" a cleane# %arto( the banana stem on the f)e# %lat(orm o( themachne& an# clam%e# at the en#s by 9aws$ Thselmnate# relat!e mo!ement o( the stem an#a!o#e# %remature brea+a"e o( the fbres$


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Chemcal E)tracton

Banana %lants were obtane# an# the trun+ cutnto e7ual %arts o( (our each we"hn" :+"$

So#um hy#ro)#e solutons o( ;$,5& ;$;.5& ;$;,5an# ;$;;5 were %re%are# an# each %oure# ntolabele# contaners$

The banana trun+s were com%letely mmerse#nto the (our labele# contaners an# co!ere#$

The trun+s were le(t to ret (or - wee+s an# the %

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Banana Fibres