DE1492558A1 - Wood preservatives and processes for rapid fixation with a high degree of fixation - Google Patents

Description

GERMAN SOLVAY * WEKKt

OEiElKCHAFI WITH RESTRICTED »HAFTUNO MAIN ADMINISTRATION

7. la

SOLIN GEN-OHLIGS 1492558

Balak "aatrrlarmn" aaltttl and Yarfakrtn only raaak «a Fixiaroag ait toll · · Fixiaruagafra«

B * aia «temlta uUniiki Yarfakrtn aua Iaprtgniartn and K» aaar * ▼ iaraa τ · »Ι · 1 · ait lilfa το» falaaa, SalafMlaahaa and SalalBaaaftn * »fn« tviA · * · »Wt lifl» «Wlumat Aai »Kin Rolskeaatrrl · * TUBf * altt« lf · «·» tlarlatk «« sA fflajulieh · Saratov · * »aatakaaA a» a laliiuittflitarii mmk Avaoaiuatlflttarii is aB dtirth Aaa d «uta« i «Patent 915 W3 ffaaaktttat. galaUfrlfaianuMaalttal avf Aar Oruadlaf «vaa Ealiw» · «ad IatriuaaiflttariAaa wariaa la dta« amtaaaaa Patent 74 · 1 ·} gaaaaa «ma« la dautaahaa Pattnt 35 * 1? 2 we «aia Ialak« aaear «aaear« aaear »rltninf flntrrtr- ■ iadnagaa flaiakaaitif Araanrartladmatan tntallt. AlIa ditaa § · - nanatan Ialakanaarrlar «ji <« »ltttl natta dtn lathttll, dal aia nitnt • dar aanr aaalaalit fiai« raa «effective« a.

Xaa kat «akar a« kaa <rtv Jaluraa fln «rkaltlfa flxlartnda

aaf «ar Baal · ** m aaakaw« rtlg «n Ckr« «n» raia «iiafaa mat ·» Inaata wm lra * nT «rtladnn« tn _t ltkw «ra« tall- • alata »l ^ rrarkladmac ^ a, Pk «Aaa« rr «r» lndmne «n ma« / · «·» Vrgnnlaakan Smtataaaaa wia Oxalalnr · * Dlnltr * flMMl ₍ Ft rain t ·, Taerll «mav. Tntvi« k «lt. Si ··· l« lBaak « taaltttlc «» la «k · real ·· flxiartad,> d« ak tea »! · dia n« l »r« «« if «aalraiadlfkait« ad «tt flataraaftft ·«

HIDT / Itll BAD ORIGINAL

aickt la villlgtr U ¥ # r »i * eti» »mf» It 4 «r Wlrk * a» k «it Ml · · *, τ · γ all · »1» Ei »tli« k to «i · Biairiaftltf ·,« · »*» · »« «« rd · ».

Β · 1 4 · »Mml» 9 ~ Sals · »from ··» only cptlaalea Fixleroaf, i.e. s «r lilaa» * - το «Ckr * ak * yolit * 10 mol« llk »Hfluerii si« 1 mol «Ur R« * kU · »km ··, B * fe« i liUti al «h iuk

io i «r ♦ i» ₂ c » ₂ o ₇ ♦ ί I ₂ O # a» · ₂ ((CrF ₅ ) I ₂ O) ♦ β μ · οε ♦ 3 / "oJ

2 Mil · Ckro »kryolitk (Is ₂ (GrF ₉ ) H ₂ O) Mi · Mol · llkalll« «« ·. Bi «M kilM alkali» · »« · W «i» «rl« li «ig% 4 ·» β · λ »· 11 ·» Fi «i * ru» c · - • tlwtf.

rl «« rl4 · τ · »Alk» li ^ in ** ri * · »mm, ·· applies tolfmA · lMktttU-fl« i «k« »ft

^ JTO) ♦ 3 Μ · 0Ι ♦

aisrama ι · τ a «« r ·· »·», aat

Flamr i »F * ra τ ·» Iiftw * ri4 «a aai τ ·» Alkali »i« »r * aat« ia »« ··· ** - 11 · »· T« rria «« r »ac ·· · Ltaalkalla tola tWakti · »· - ι · ti ·« «tsfr ··» · »··! ♦ ■ alkall — ag ·» ·· M c * · *, ulratti · 1 · aa «a« «llif · * Biaflai ■ • f Ai * Fixiarva «·» · § · »*.

ff · »» tar lvsi «laaff elaer ktk« »Usliekaa« uwi «ll · m!» «via» ·

ίθ "9β" 37 / 11β2 BADOR.GINAL

flvarlA k * v. -kiekraaat Α! · eatafreeheadea leiekter leellekea Kalittaaalaa mmilii v «rdea _f ·· becomes Aadureh the Flxleraafaaa * l« »f aiakt» eeehletftift, ie such if «leiektloaaa V-SaIafjrcaa-ayaaa-aora» keaufliak 4

uad Krg «tftis ·· nri ·

uad ·! »·» kBk «r« m F! X! "R" ae "for" A η "rr *!" K "K. 0! ···! Ti Batk d «a MM> Mnv! Rkuaf« c · * Mti AeAmMk m · η! · 1 · », AU Am% ·! Aar Ckrrakrjrol! Th »il4a» f • s% tt «k« aA · AlkftükjAroxfA dar «h fr ·! · T * rffl <k * r · Η-Ιοη · η (fr ·! · Star · · Α · γ MMur · Sals «) v« it («k« »d a« utr «li« l «rt. Et ward AaB «was iin k # k rix! Ermac« ff «« ekviad! I1c «lt« riekt A! · A ¥ «r f« c «iHia« afall · lsfalf · Aar m raeahaa rixi «nta« amf Κ ·· * · * the E! adri «fft!« f · takt.

wurA «f« etff «« t «llt» AaA wmn ·! » koahvirkaaa ·· - mad

U «f ·« ed baker Plxl * rg «selnri» llffkelt eotrie kekea rixleruajaerad • rkilt »« · «» aaa »a! Aa * f! X! Araa («Tarffamf Ale« iielaaaAer raa «l« raadea staff · m amawlklt, AaA «iek ela dvrek IeIs g« t dlffaadiarkaree Oa « hn. Eia lelekt« tali vtrfttikUfMiwat. T) t) Cia lelakatwerr! Anm «« ai «tel ait Al · ··» aa «mraa« rfUAmacaeaaAl! A elaar Htaakaa «v ·» Alkali

• 4.

909637/1113

- BAD ORIGINAL

-4- U92558

fluorides and Aanoniuafluoriden and / or Bifluoriden and Biohro- ■ aten bsw · chromates found. When using such a Holskonserrierungcaittelgemisohes becomes the fixation process Aaonium hydroxide is formed, which looks very easily volatilized and in the presence of alkali metal hydroxide it falls even more rapidly.

To visualize the FixierungsTorgangee you need the following Serve the reaction equation

II
a MeF + b Me ₃ Cr ₂ O ₇ + c HH ₄ F + d (6 Η _£ θ) ->

I I.

2b Me ₂ ZTCrP ₅ ) UgO _- / + (* + »- 4) MeOI + e HI ₄ OH + d ßqj

Yorattseetsungt b (a + e) «b · 10 Me lay H ₂ O 1 b - d

1 Ka ₂ Cr ₂ O ₇ < 7 NH ₄ F + 6 H ₂ O ->

; rF ₅ ) ilgüj ⁷ "♦» »OH + 7 HH ₄ OH + 5 / X7 ·

Aan sweokakaßig chooses c, i.e. the Uolsahl laaoniwafluorid Per mole of bichromate possibly greater than a (Uolsahl der Alkalifluoride) »a rapid fixation process is maintained the variety of the ConsentrmtionsTerhtltnisee the AlkaliTerbimdumgen According to the invention, it succeeds in the amnonium bonds JConeerwriting means and procedures, the fixation speed and regulate and set the degree of fixation su.

909 8 3 7 "/ 1 1 62 BAD ORIGINAL

U92558

I also inclined to see that a certain proportion of fluorides, possibly in the distance tob Aaaoniuarerbiadungon, on an acceleration dea PixieruageYorgangea leads and »was thereby» that naoh the reaction equation shows a change in the resulting free Alkali occurs. The consentration relationships are kept swoeknäüig in such a way that, in addition to reducing the temperature, free alkali can be used eaürer fluoride aaonium hydroxide is formed and da0 si oh thru erflUohtlgung τοη Auaoniuahydroxyd l> sw »Aaaoniak die Reaction to Ounaten der Ohrroakryolbildune postponed.

♦ 4 W ₄ HF ₂ ♦ Me ₂ Cr ₂ O ₇ + 2 HjO - * 2 Mo ₂ (^ CrF ₅ JB ₂ O) ♦ 4 HH ₄ OH ♦ } ßj

This is how s * B. nit-elnea Salageaiseh, consisting of 15t9 wt .- ^ Hatriuafluorld, 37t · Oew .- ^ Aaaoaiuablfluorid and 4β, 5 wt .- ^ Aaliuabiohroaat a · near fixation and a high degree of fixation achieved. Sar requirement of the optimal chroakrjolithbilduag ia Sinn · dos Masaeaffektagesetsee can be a neutral Alkaliaala like a.l. lalla * or latriuasalfate- phosphate or the like augosotate become (Mang · oa. 10? i).

Free alkali formed during the process of fixation can Bagae «from Aaawaiuauialaea Torriierter bsw. boaeitlgt will. Ea «mal · gofaatoa, there · see a rough fixation ait croler liadriagtiefe de · Helskeaaorrier «nga« ittele ereiehea IUt, lan FlaerUe and liflueride besogea on AlkalibioluraMt 1 »

909837/1162

BATH

-6- U97558

one corresponding to the molar ratio of the cryolite formation about «, oa. 10> £ »increased iieng · applied. The share on bifluoride and suitable anaonium salts leads to that after the / leaktiona ^ leiehuttg a decrease in the resulting free alkali "at 3 -iols" occurs "that" equal to all 5 moles of Aaaoniua "· hydroxide are formed »which aich through volatilization - required due to the simultaneous entatching free amount of alkali - the reaction can emerge. JDaa during dea f'iacierungaTorgangea entateant · free alkali (oa. 5MoIe) becomes free duroh 4 'iole acid (H-ions) neutralized and the rest of the alkali by inaetering Annoniunsalsün su Alkalisalaen with release τοη Anaoniak harmless sewn.

For the transfer dea the JPixierungaTorgangea arising, the fication aaD expiring alkali hydroxides into one another "bond" does not necessarily need an anmeniunfluoride or bifluoride ▼ can be used} ·· other cheap · Annoniunrerbindungen » inabeeoadere such nit fungisiden, inaektiaiden or feuerhesaiendun Properties are used »see B. Borate · »Arsenate» Oxalate »Bensoate, Salicylate, etc. In the following S« action will be for this Annoniusaalfat rerwendeti

4 «· * ♦ 3 AH ₄ HF ₂ + (MH ₄ ) ₂ SO ₄ + Me ₂ Cr ₃ O ₇ + 3 H ₂ O -> 2 He ₂ (^ Cr ₅ JTH ₂ O) + 5 M ₄ OH + Aa ₂ SO ₄ + 3ZÄ7

Suitable Zaaamaeasetsangen such • rflndongagemif · «'Saln« · -

909837/1162 BATH ORIGINAL

-T-

aieeae aiad a.B.

1) 31.6 Qaw · '/ HaF, 16.1 Gaw .- ^ (IH ₄₎ JSO _4, 24.7 D ₇ -.? 4 U ₂ O, 1.6

U92558

2) 36.0 Gaw .- / i HaF, 18.3 Caw.-f 'IH ₄ HP ₂ , 14.0 Oaw .-. F 31.5

Ea could also svaätalieli AratttTarbindttnfan, x.B. Araanoz / there, Araaaaiur · or Araanata, aneavaaiat warden.

A daimrtlgar RaaktloiiaTarlanf oatar 01aloh («wlohtaT« raohl «Vuae au Qttaataa tar Chroakrjelithbildunt kamuieioluiat dna arfinduaga gaaäOa HolakOBserrlarttAffamlttal «la ain» oohlB «lich * a U-JaIa, bei dea through the Meutralieatioii dea eel of the chroakryolithbilduae eatatehead frelea alkali · «ad the ^ ilduaf easily verflttohtlgeadea Aaaoaiaakgrdroxyde b «w. diffusing through holeholes AamoniaJca the Torauaaetaita ^ for elaen eohaellen course dea FixleruagaTorfancea old groier Ulndllllängiefe meets and uad eel Aaa aaa duroh the tabl der Konaeatratloaaverhabenniaee Alkalllen aa the Aaaonivalonen the rixleruasageeohvindlfkeit beeohleaaigea can.

909837/116 2

BAD ORJQINAU

Claims (1)

1 · l »l« rmagaaitt «l aat ferftarM. only ^ TliltWf old aaaaa rixiumaesfnft aatar Aaroataa «« la ·· «μ flatwMaa tai / atcr ) 1Π «· γ14μ« «A Tattlataafta 4 ·· Meiunrartifaa Steam · ritt * riA «aat / o4« r llfl «* rl« · aai OIummi ^ · ktt. »Irtm — t · i« r Alkali ·· «aft Aatmfrtlataafa la gaaelaaaai» HiMkMaC * A «r • mag« atallt mat «at 4wr Flxlwraafvrtvfaaf tama ta« aiaa «a · 4aa iwiilinitlm la Qaga4aTaf «Mi% la% r HkallaTaf 4 # r HkallaTaf Wl t «r% 114 * a4 ·, l« i «a« flttokiiff · Ammiwmkyiifxjt »» aaaleaalet wiHl. 2. K «lakoaa« nrl «ruacaaltt« l aat T «rfaar« a aar raaaaaa Flalaraac ait haata Mai «raafaf * a4 gaaif iUynA 1, 4atarak f * kaa * a« l «tatet, 4 * 1 41 «8ekm # lllfk * it 4m Fiaiwagafffgaagaa 4ama 41« ti · »4 * r la 4m H« laaaautaaltt «liMlMa« atkalt «a« a 4uaf * a («r« f «lt vir4. 3 · I * lak «a« «rvl« raaeaaltt «l aat Tarfakraa aar raaaaaa risiwraac ait Mn Pisl« raat «fva4 gMfti laafrt« hM 1 mat 2, 4at «r« k Miwaasalaaaft »4al 4« r rixiaraagavarfaac 4 «r rixiaraagavarfaac 4 aaaraa T * rfclatuat * a ₍ iaaWaaalar · Aaa »alaa» Hlaari4 host. 4 · l »l« k «« «« rTl «mafMi« t «l« at T «rf« Jo «a« ar raa * a «a rixieraaff alt a «a« a rixieraafafnA § «at0 Aaeprfiehaa 1 ■! ■ 3 · tatureb. e «kaaaa« leli · 909837/1 162 BATH ORIGINAL - »- U92558 t ₉ Μ «iM Mi 4M IiSiMMIfMUMf ftUl« · «· AlfeftliftftMSft i» AlMliMlM d «Mdl AMMitlg · 1Μ« 9WfMkUHMI Ml AMMiM * M TOMMtM M * flfclMJUjiillM SiMt Ml »·% ·%« * 1 »Α ·» klM MA • in MkMr FtHlaf Η »· *> i · *» · 1Λ * wijr *. «Aft Tcrfafcr ·» «mr χ« «· 1μβ fixiemae ait nail AaeftnMk 4? * «4» ** h gek «uui« i «luMt» AaB ma * Awmm * imtkltlw * Tii aetk Mldk «with f * a« isi4 · », fwmliMiiin ligawMkaft« »t« i · ·· * · le »» * ·, ArMa * t « _v Osal · * ·, 6. B * lslc «Mi« rn «imaf» «itt« l »« A T «rf» kT «n swr nuMk« »nxi« num ait μαμ Flxl «rmag» * r »4 gMlt AMfi« «k« · 1 iia 9, AaAM · « »• tf A · *« MltSli ·· ft »·· AWiWMHhMW« Mft Al »« Mlt Al · iMk A «r lsAmktlM A ·» M «kwyllg— Clur« HDMMa »at · is. I · «· ▼ • a Clur «BunMa» t «a fixi« yt «« vies · IBVttCII »OLTAT-VllXB «••• llMMft ait MMluriaktev signed BIUtChen signed Seiler 909837/1112 BATH ORIGINAL