DEP0051802DA - Process for the production of cellulose from hardwood or softwood, especially beech wood, primarily for acetylation - Google Patents

Description

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lieraag «,

For a Melsellstoff s see dixrsii © in © a Jb.ob.ea <l <~ © :) salary ausseleimet9 istisseii tie sisiit 'sellalose-like accompaniment

i _t . ¥ or everything is easier l $ "! U & liem I! Eiais © llul © Ben @ ii fefitosem" Bölj ^ rönsärarea HBW ". _r welefe «.mtear aeia

will »■ Bi © s ■ ■■■ earfplgt» icstweder iurefa. old

With

alone * #der im -'Xcrtblsatiea «it ^ siearaä. Si & et®sE®a _e glaze ^ © g mam aaerb lan «igentli ^ teeia amf selil-aS. ^ oa: H ^ $ 3js © ier t "s _tflasa: eamateriml as-ss * SfeoM only with barrels ODMR
i © im®

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i ä | t mm

piked: at a © r- lor% i ^ © lyee ward® t * il

one. ^ roße-. leieatmng teigemesssÄ wtik- mm & r % ew «.gt @ .a die fcskaxmtea ToreeiiLS'g» ^ wisctoea pl

At aaj # M this Ter £ aiireA 'oe ^ gnüte wsi. see with

Wi xuglleiwt aiedrlgeB flelsgon & igelialt sü

ö # r JafseliluBgr & a tes 2ellst © £ f @ ß soda d ^ r alkaliscl »

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he &# Hst © ff »» »BapieriiaämBtri © 1943» S 54 ©) like the tamper aminirisfcosi did (S. als satis © l & t® fiskosity in HillipöiseB®

wLrd * 1 * l $ £ g® Üellstöifaaflösuag Is. contains 15 g copper aaä 2 €> ö g Ijamonlak im Mter im Yis ^ oeieeter ia Millipois © s measured oäer la © in @ ia a® £! filllpoiseaa geeiaMö ^ AoeflaSvls · Saeb Sem Ise & ajsiiteäa UerEtelliiBgsverfakreia toasting not with Siefeeriieit € i # for special purposes weä vqt all for the Bäelssellsiteffe lier-cut values »

BToexxasckeaäer quietly became mus gefs.Qiä@®. _s that # 1ä ^ In

etjllerong suitable pulp aas ^ amtlisls @ d®r Inrnhesonäere Baciiesfaolz »iasa ersiel @ m ISlSt * wm & Si« lytiseli © Einwirfeasg tn iler Smlfitkoßliuiig oÄer in one ^ i Hatroa »© 4er Sulphatausschloß ^ or

wM pB ^ value äerart öaß die Ssefeeraaefeesute ^ feer 18 ^, at

asif HoIs "besog © n _t fe @ trlgt tajäd sicla

Pulp _s a © 25 ©

macii Bale · (! »apier Jesrnai. Xo ₁ 121 {1926} saterhalfe l ^ $ ^ _f © la® Sie & ersah! Mater 4 © _t « in P «xtteea & geiialt tea 3-4 ·· ^ results in _β piping

• rtttllt Ar Tseia © H © lssrt © a © Siilfitkociiang ait elnar Eoelxsänre ¥ OB! For example 5 «# - 5 ^ 2 ^ SO« ei »© ® © lßiis with

"Ad miedrigem Salkeebalt _t eg e * 5 ^ Saö _f " otol in

fill # ia # ir ^ r long te _v 6-f Stmafles feetragend®, Imjirägaierzeit tempera tar t®h aat © r 115 ° 0 aagewanät is »at a Siilfat) coch» ag

_m 3 ^

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# 2 «· 3

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is _c

as a pulp © ame iiö © liTlsk © suchtechs m

be, aie & t im allea Fül # m tie

with Miilip © i®eii let sish a & eh the flower ©?: hz

old «isno

PRACTICES

also a

so far solves or

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outer responsive

largely

ie *

* Hatriuascsifcsulfitge & old Oer Eoofelauge v © n ailsäesten "test Kwise & it 7-UJF 'relative met the met tile Foräerimgen" © leiotoeitlg wm & #Is Isestiiamter fealt ®S (free) Itsnatrsa "ΒΑ 4ie Be & ktiGneflnigkeit remains the cellulose * the Hoh © ·

& 0d Selialt as (free) Xtesfttroai miM® © texi® 6 ^ 5 »ainlest on tra & feel Eoslit®^@xa.t" r®st © b about 1 ©© ®0 ^ iis' test 1 © «* 12 $ _S ¥ e ^ ogea on ias Eohstefftrocl!: ®n @ © wielit _s

Just like - $ &% EelfTereäelmng v © a SuIfiteellstoffen {© im® 1st also Al © üac & bebanälttag wan

old caustic soda © ter leiSlamge,

saeiiteilig Foex 41® teiterverarteltaBg * Tormömlisli mwr runge In "beläen läHsn acts ÖAS alkaline verEciLLleßemd amf arealctionsfäliigea 0rupp # ia üex öellulose a oäer TeriiaraeM on small" Amtell © "ferblei ^ eater Eestgrupp # n" Bies © laughing part © enter g at AEEN fereäelmsgsyerfalireÄ @ rn.RB Srfintimag never on β

(J / f /

In the case of? Erar "beltuiag ψοη lafielh-ols" inä for the Sulphitkocfeuns la essential, the same "Ofeemllallen" rforflerli © 33. _? LYLi

holB- ^ Koeliung »The f emp®ratar # a move eieii seJar at the δ-reaze u» S the ^ uckeraustoeut © && Hex lower ®rem.% & * They are the same for the foriiydrolysis * with äer © äelung amß Äagegem at about gl «iehesiSatriH®ulfltgeiialt © eiialt sm (free)! T®satr © a feel 14o» l € © ^@ ß ober S ^ _s feel loo ° ö ffilstestes ^ 12 $ fceaoges on € a © lokstoffgewi ^ a *

In the case of ßMm B & eb äer fefinäuag produced pulp © a, the iTobeacetylieruages results in values »äle elea ®m low®

na © Ja © fcen and below toe äeia Stas ^ rä- ^ sw · fiea Terglsiefessteif sS »Lintera © der HeÜTeredelter SaIfitxelletoff hzw * Alph» - llnt good workability uatersoliei € @ n _e line profiling takes place Baeh "well-known BestiBisiäungOTsrfabrenea mm4urskäigsäurseigsÄure in G «ges« btrt one

»Ü» ia @ Brsb ^ seet ^ llsrsng reilreifen äie

y (45 - β © Mi ») *» r »n @ l € & ® w» «sr

tes AetftyliexgaRls & bM »ti ler lrr®i © im» g fiea? Hö © hstt # s »» % ± m mm & @ s Seitpimkt & ®z XtiteOBg aaä smeeiLll @ B © at # s insteadl-

ger @ etoet becomes »J @ karger H © © # 2eit lst _s tot s® Issr reacts the St © ff · 31m Mi-mmmih & Xt το» feserrilekstlnds »

In fier iSsuag tfas © rt # ile toast Sm. Eim "HltratioA Annoh" in Abeiakea

can the FiltrationYolumem äes

» Ulm® £ röfete ^ #% lie« mg let #in ffiex & mal

der Ateltcllrtoff · Im ® «et ^ b Berelei!» wil ^ © n € ii # Eoaktion im all-ralisclien Bdium (Ixipfereeideide und Viscose silk) ulolit 1 "" riifari "irS _e ®as Äee'fej'llfrverlialteia" lrd

*% ** TS ^%> © sog®n early winters öier ^ © rgleieliea

Bi © sacli gen @ rfisöungBg © mäß © a TerfaJareB! Larosedas Zellstoff® © ime IacliTere <leliiiig si ^ ii except for the. & Eet ^ li © riiBg for amösr® © ixese ^ ezarfeeltimgeB. * Insljesijnder © smr Bers: t Kunstseide iiack d @ a fiskoseverfabreii * Im ties «© Fall © mnB

Cfeemiseli®

(Sp »Eenfitaat ·}« medium *! «Ird * (ai © ii # E @ ru - Bi» gstaller »

4. BanA S @ ite

I ₁₁ J ₁ (SuIfitkoeJmsg tos Srote ait s®rsaler

kg fetes.-BuGiienlioIiS «er & en in a brick-lined, imö s us-liked cooking vessel ¹ VSOi 55 © 1 content with a» Soehsäsr® f © m SO «hbä @ _s i f & öaOgebalt ¥ © I a # r HSehstteBpexatsr from

Isprägnleraei * wb 9 StmaÄen feel 115 ^# G © o

t! ir ⁱ eiL the "reretixktiB Hjirolyse des Solves äe Sex waste liquor 22 _? 4f ^ Öer Solssabsta" 3S corresponds to "Pie pulp yield is 42 ^" The overferaaiffiinTiacosity of the pulp M carries 21e ffiilllpois ^ n _s 4 © r di € tuL r »« rbraaQfeesÄlil baw * Sieberaahl

is ani in two stages with oil water: GalciUBiiyp®@3ilori.t at the Probaaoetylisrtmg «riiElf sau eim

pulp l> sif * Alphalint © der

On the other hand, it tends to be more conservative in normal suIf itaaf

with a 2-ellst © ffausl3eate ws 43t5 ^? of 15? ®? ^ Holspelyoses bz »% on Hüls * a®

τοη 38 © Millipoisea »a® Sietsersahl

4 © * elnÄaa bentosam content τοη 5 # ^ " Im geialßichtsn Smstaaä imt S-fro ff" in FiltrationsfoliiMsn f © mz "2r 12 $ des

g§, (So-lfltkocteng τοη Baci »with hoistea SO«

Eic // ® »tsprech« aä example l _t äbear sit eiaex Eoehsänr © -tob

SOg ana ö »9 $ öaO ^ ei a Lochsttsmpeiratiir tos 1 £ q ^ö € S _# 2mprlgEie3? A for 1 hour at loS ⁰ 3 ₉ eimear 23 * 5 $ hezogßn on Hole» won

SIÄsrasfel we If «aft« lasa iemt® «« »@ rfr * p» J ₉ ^ C # «f» eis

*) 9 * Jfc | mm Bti € 5hssJiGils W0r € # m la © iaes 35o 1 fas; sealer am © l & * $ taäl einsr lir'uekko @ hLmg alt Walser at 16o ^@ ö

Siticker content mil =! 1 $ gA © atapreeheM

₀ measured tmrae. «I ^ t Siilfetkos ^ aaug © _p

aaf H © li3 _ö eliagefiait _c , Die ICochseit

from 2Bq EU *

one

on the other hand seigt © is diarsh B? uekk © oI; Haag «it f« »he is

closed product at 38 ΐ '

Oewisn ¥ oa H ₀ T ^ Holsipolyoses Isesogan on HoIs ₃

ssa _# 4 »9 ^ ·

isz'βtlonßYoilmen Ser! 'rotsaeei ^ aieriaag Ja geöleiß! rfe®gi

old teüleeg · / »it

2 S'teBäea SiaeMx ^ ers-äeltp öasa

97 «

l '© 3! i'i3J.ipoiseBo Despite eier gatsn iaalyseasalÄSB tas ^ *% it «^ erto, ilt © a« iNicstijbaili e®iiis @ Me ^r al « astir

4 s fliiarfcptrtitar ·· mfl SttltetBoSfealä ** ψ®μ

Mmo in the same Vela · wi » $ m lntayial J _#

£ 45 Millipoisen ₅ © lae SiebisrseM 'vs- a 12 _s m $ mm

33iaeiie sit

6 esa Islialt

a © Eapfersjamin ^ isls & sity ^ m 274 MillipDisem tmt

Ii on ο Mm ruilr ^ terisl hat els «

üiÄ Φ @ τ fem-I- ^ ete ^ ag.f ^ lsa «t © s l-ellemfiXt ^ r

ä tssstron «^ ii © 0 Bs.triasiinöB.esi.s.lf it _s hazogmi aaf € a ©

hurry ε it? S estate se carries J

ehgsfahrt _o Jm Per tig st ο ίΐ ₉ Ss ssen Au ^ ent® 41 ©

em lie f &% gmmumm latern fese # @ emt Afte ^ slil §5 ^ 1

is (f »g ^ bl € iisfe * t Mwßhm

Jtor track * »* nsg« agÄt @ <f «&# ta wmipama & em Wmla & M m $% $. mat * «JnadESfereag ftfg · ltlif« rftitiI.B * g Is. 4 ^ S ^ ofiMsiats alt Quer »

f _t Tj6 ihlsir & © sog®a ε-tif Stoff befesoaäelt imfi

xait HafeeraaEge seatralized i2a <ä

dio f erGflelöÄgp wiG in example $ Is © so-called amf fabrics Me

If «Milli © © iscito Me Probate t / Iiexsiig

«RiL £ ä1wrilM3.t« bot 4ff 5 ^ ® »δ 1 · Τ9) 6 * r« i ** StssMnHm fieiseelisen raw material anter ir> önst .gleishesi Be & lngujrigsn like

with delicious tea

'la de-3? Bleiohcä 2 ₉ 2 ^ 4H ^ againsti & er I ^ wi®

lersafci «®m 44 bat _ΰ ^ Eter soast the same Soö £ iöeciingim, s6Ji wio a sellulose ^ which in the äex-

8 ι (Heiirereäelöag entvprlSeispl *! 5 alt

With gbid

&) Ia i @ a same Sjociigefäß naS under eox & st the same «g« B. ®i # in example 5 «wirä © toe mter tos 9S-2 @ 0 ° S Anxeligefiüirt · The Eo © tea £ t betr & e * 5 Stmad ^ m «Bl® K © © fela« g # «ntbfilt

tmf 1® $ (free) Itenatesa *! »aogesi aaf Ha®

^ as 5 © © kg W $ imt® ± t «vhalt aaa. 41.6 IMo; Ready-to-use fabric consists of the following Satsm Fentosan

Millipol # eÄ * Bie Fr © li © a @ e ^ lierinig violates a strap aa « with

Ij) latBiöre © hem € Example 5 geteen? ErsmeiisiE: o © & imgeii with mn lie ^ ibges «did salary« »as (treiem) jLtsaatron> nsd S ^ trlua-

Isetylierrehaltea ät * £ t

IaOH

6 _t 2§ «5

Io ξ »ο §5

vu.t ± tkQ ^ hxm.g tob J * i © lit © sit H @ iiver @ deliiag)

Example 1 w®xä @ m 45 & g Jb £ ^ w> ftiektwltols

Fifty-five hundred and fifty years old . $ 5 Uf

SO «« bA & * & $$ Sa0- & elmlt _e at © iner EöcJtetteiiperstar from 1 ^ 2® β an impregnation period of 3® 5 Stuat ^ a lsi M5®®

so a ^ fgeseliloss ^ m »tas durek dl« i; ®r Eolspo3 ^ i3®eng © lialt aer waste liquor spri © 3at * you pulp yield is 45t 1 $ * ti® ies ragebleieiiteii, Selle ^ offes is 22 ©

-le-

Pulp wiJÄ ansefelieBea € ®ntB $ T & mh & ä Example 6 treated. The Q & lerr ^ rbraueli is la Ä @ r ¥ or1alei®ii® X ^ auf Stoffj Ä @ r 03i®Eiikali @ itaufTwand --- S ^ latrlsumonosnlfi ^ U _y ^ (& ®i # s Jtsnatr® » _s t * e® og®s on d «s. froe & © aseH © toff

Material·

Until the pulp dateB are following®!

₉ Pent & saageiialt X «7 ^ f Itapf ^ rsa

at IS? Mlllipoaseia »Is wirS in

bright imd

Claims (1)

JBi * 250 ■ = isl see -fis üsm. from the 40 sv © ra @ hsü, i © hf§-SQ _{$ ein} 135 ° S 20-22 lit S * aa & * _f "at ₉ 0 <* 3tf «Ti 4 «? © Γ-ί £ Μ = οη i, imeu t Jt * ■ ©! # ♦ · »XOO ⁰ U 12 ^ _s feessgan m ^ € as Höhst © ff-fir © c ^^ g © -