Ganacsiga, Warshadaha
Beeyada HOL-formaldehyde, wax soo saarka, guryaha iyo codsiga
Beeyada HOL-formaldehyde waxaa si ballaaran loo adeegsado dhismaha, qoryo iyo warshadaha kale. Jidka Warshadaha in ay soo saaraan ugu horeysay bilaabay in Maraykanka ee 1927. Waayo, iska caabin xoog iyo biyaha ee polyesters iyo Beeyada epoxy qalabka sida ay tahay qaar waxoogaa liita. Dhinaca kale, oo iyaga samaynta wax badan ka jaban.
Sida loo sameeyo
cusbi helay Habboon, sida horay loo arki karaa ka magaca, by polycondensation of formaldehyde la HOL. Waxay wakiil ganaax aan ololi kara aqueous diidanyihiin ku nafwaayay iyo midab kala duwanaan karaan ku xiran tahay fasalka. Production of Beeyada HOL-formaldehyde caadi ahaan ku lug leedahay isticmaalka apparatuses gaar ah, jacketed iyo gaar stirrer,. Geedi socodka saarka dhan ah waxyaabaha sida ku lug leedahay saddex tallaabo oo aasaasi ah:
polycondensation;
uumiga acidic,
qalajiyo.
cusbi polycondensation waxaa fuliyay dhexdhexaad ah xumadoodu at pH ah ee xal falcelinta si siman u 7.5-8. Inta lagu guda jiro habka wax soo saarka Somaliland xaqiijinaysaa in HOL u ratio gaws: formaldehyde waa 1: 1.6-1.9.
uumiga The acidic waa la fuliyay in dhexdhexaad ah oo leh pH = 4.5-4.8. Marka marxaladdan, ay sabab u tahay miisaanka kordhay kelli bilaabaa in uu si weyn u kordhin nafwaayay ee xalka. еще одну порцию карбамида. Dhamaadka falcelinta uumiga acidic ee cusbi ku daray in ay qayb kale oo HOL u. lacagta loo baahan yahay ee mukhaadaraadka this waxaa loo xisaabiyaa si saamiga gaws qaybaha ee xalka keentay ay ahayd 1: 1.3-1.4. In talaabo qalajiyo cusbi la beddelo, si ay qiimaha ku nafwaayay qaraabo la doonayo. продукт охлаждают и модифицируют с целью снижения его токсичности. At heerka ugu dambeeya ee wax soo saarka la qaboojiyey iyo waxaa dib u habaynta si loo yareeyo ay sumoobo.
Baaxadda isticmaalka
cusbi HOL-formaldehyde waxaa loo isticmaalaa (Formula N = CH2 C = O iyo NH2 HOCH2NH C = NH2) awoodo in wax soo saarka:
Fiberboard iyo particleboard;
plywood;
putties, rinjiga iyo varnishes;
qoyaan warqad u adkaysta iyo paperboard (dahaadhida);
xumbo.
карбамидоформальдегидная (КФ-МХ2) в бурении . Sidoo kale inta badan loo isticmaalaa cusbi HOL (KF-MX2) in qodista. Xaaladdan oo kale, waxaa loo isticmaalaa sida slurry cement saldhig. Arintaan, markeeda, waa isku dar viscous in qallafin kartaa si deg deg ah hawada. slurries Cement waxaa inta badan loo isticmaalaa ammaanka ee sanduuqa battariga iyo in ay iyaga ka daxalka ilaaliyo.
Habboon Clay ku salaysan
Marka shirkadaha warshadaha alwaaxa in qaabka saafi waxaa dhif ah loo isticmaalo Habboon. Inta badan badan tahay cunsurka ugu muhiimsan ee sida loo isticmaalo HOL nijaarnimada xabagta dumin kara. The kala duwan ugu weyn ee wax soo saarka ka dhigtay oo ku saleysan u Habboon, waxaa hadhay shan:
EC-B - koolo Daaweynta degdeg ah;
CF-O - Ujeeddada Guud (content formaldehyde ma ka badan yahay 0,25%);
KF-MT - low sun ah, loo isticmaalo wax soo saarka ee fiberboard iyo particleboard;
KF-F - la soo kordha meelmar ah,
KF-BZ - isku daraa faa'iidooyinka brand ee EC-B iyo KF-F.
Quick-CF-B adhesives shirkadaha alwaaxa of warshadaha waxaa badanaa loo isticmaalaa in wax soo saarka ee plywood iyo alaabta loox dahaarka on macsarada-hal taako. wax soo saarka Malotokischny CF-O waxaa loo isticmaalaa at ugu kaliya ee bidabeysan warqad. Sidoo kale, koolo this waxaa loo isticmaali karaa in soo saaridda ee plywood. Afjary iyo fiberboard la isticmaalo looma samayn. Waayo, wax soo saarka ee taarikada ku salaysan chip ama fiber sheyga waxaa laga codsadaa sumadda CF-MT.
Xabagta leh oo meelmar sare waa kaamil for xira cayn kasta oo qaybo ka mid alaabta guriga. Qorshaha mararka qaarkood waxaa kaloo loo isticmaali karaa si loo xoojiyo carradu daciif ah. adhesives Universal KF-BZ yihiin inta badan loo isticmaalaa in soo saaridda ee plywood iyo alaabta guriga. Sidoo kale, waxaa la isticmaali karaa in wax soo saarka ee noocyada kala duwan ee wax soo saarka joinery. Iyada oo ku xidhan nooca daaweynta oo dhan adhesives ku salaysan FSC ah loo isticmaali karaa bidabeysan kulul iyo qabow labadaba.
Mararka qaar dhismaha, qoryo iyo wixii la mid ah. D. Ma loo isticmaalo, iyo adhesives gaar ah nooc ka mid ah oo kala duwan oo lagu daro wax ka beddelid.
The sifooyinka cusbi MT-CF
Caddaymaha ka Beeyada HOL-formaldehyde, taas oo ku xidhan codsiga waxaa laga yaabaa kala duwan. From shaxda hoos ku qoran macluumaad ku saabsan sifooyinka cusbi u KF-MT ugu caansan isticmaalaa in wax soo saarka ee fiberboard iyo particleboard.
feature | tilmaamayaasha |
index Refractive | 1,462 ... 1,465 |
Tirada hadhay qalalan | 66% by miisaanka |
Nafwaayay at 20 ° C | 30 ... 50 VZ-4 isla markiiba ka dib soo-saarka, 150 - ka dib 60 maalmood |
jajab mass la ogolaan karo ee formaldehyde free | 0.3% |
pH | 6.5 ... 6.8 |
Gelation isagoo intaa ku daray 1% NHCL (at t = 100/20 ° C) | 35 ... 55/8 |
wata magac kale KF KF-MT-Beeyada waxaa kala duwanaayeen horrayn by nafwaayay hoos at a xad sare arrinta qalalan. Astaamahani waa u ogolaan in ay soo bandhigto in ooyinka la buufiyo godadka. Isticmaalka qalabka sida, markeeda, suurtagalinaysaa hoos u muhiim ah in qoyaanka oo qoryo lagu daaweeyaa qayb dumin kara iyo sida hoos waqtiga taarikada ku cidhiidhinaya.
Impregnating cusbi (SKFP)
Noocan ah Habboon waxaa loo isticmaalaa in soo saaridda ee baakadaha iyo waraaqaha biyaha u adkaysta. Mararka qaarkood waxaa sidoo kale loo isticmaalaa in lagu impregnate filimada duudduuban madaxtooyada, plywood iyo particleboard iyo fiberboard. Shaxda soo socota ayaa waxa ay muujinaysaa dabeecadaha sheyga.
feature | tilmaame |
hadhay qalalan | 45 ... 53% |
nafwaayay masaf | 13-15 VZ-246 iyadoo biiyaha a of 4 mm |
Tirada formaldehyde free | In aan ka badnayn 0.5% |
pH | 7.3-8 |
Markii ugu gel at 100 C | 2-5 |
Astaamaha u gaarka ah cusbi loo isticmaalo wax soo saarka ee blaastiigga
Ujeedada this, sida caadiga ah laga codsadaa brand saarka K-421-02 Muujinaysaa melaminokarbamidoformaldegidnaya dareere cusbi hufan oo haysta guryaha soo socda:
feature | tilmaame |
nafwaayay-246 Qaraabo | 40-55 |
Tirada formaldehyde free | No wax ka badan 0.3% |
waafaqid hydrocarbon | Aan ka yarayn 157 mg / l |
Tirada Acid Koh | Ma aha in ka badan 1.0 |
Waafaqsan yahay xylene 1: 1 | total |
Qalajinta isku dar ah la dumin kara caag ah ama gliftalem castor | No wax ka badan 45 daqiiqo |
Guryaha KF-MX2
Beeyada HOL-formaldehyde loo isticmaalaa in lagu sameeyo slurries cement waa in sidoo kale si buuxda u hoggaansamaan GOST.
feature | tilmaame |
Tirada hadhay qalalan | 69% |
Tirada formaldehyde free | In aan ka badnayn 0.5% |
Miscibility biyo 1-20 saamiga (t = 20 ° C) | total |
RN | 8-9 |
gelatination | 40-80 |
HOL xumbo formaldehyde, baaxadda isticmaalka
Alaabta Tani waxaa inta badan loo adeegsado dhismaha sida wax ningax ah. Waxaa loo isticmaali karaa ningax ka qabow ah:
derbiyada,
meel saqafka;
dabaqyada dhexe iyo saqafka.
In la barbardhigo polystyrene caadiga ballaadhiyey, polystyrene Habboon ayaa hal waxtar muhiim ah. Macluumaadkaan waxaa gebi ahaanba aan ololi kara. cusbi HOL-formaldehyde waa koox ka mid ah qalabka thermosetting. Taasi waa falcelinta dambe iyaga ku ma noqon karaan by qeexidda. Iyadoo la raacayo, Habboon-xumbo inta lagu guda jiro dabka ma sameeyaan dhalaalid ah. kaliya The - sarkhaansan yihiin heerkulka sare u lumiyo miisaanka yara by qoondaynta aan halis ku ah caafimaadka dadka, nitrogen iyo carbon dioxide. Nolosha adeeg ee xumbo ee noocyada this wuxuu ku saabsan yahay la mid ah sida in of polystyrene ku extruded - oo ku saabsan 80 sano. Macluumaadkaan waxaa loo isticmaali karaa foomka of taarikada iyo gobolka dareere ah. Xaalada danbe, mass waxaa si fudud ku shubtay galay saabka of noocyada kala duwan ee dhismayaasha dhismaha.
Sida loo sameeyo Habboon xumbo
Waayo, markii ugu horeysay tan article xiiso muuqday dabayaaqadii 30-mada ee Germany. In Europe, waxaa si weyn loo isticmaalaa in dhismaha dhismayaasha iyo dhismaha. In 30% ee kiisaska la noocyada kala duwan ee walling ningax isticmaalo qalab this. Sanadihii la soo dhaafay iyo aad u badan oo caan ah Habboon-xumbo noqonayaa in Russia.
Soo saarta technology ee kululeeyaha waa ay fudud. On sale waxaa xitaa waa, qalab gaar ah oo aan qaali ahayn, iibsan in, in mabda, wuxuu noqon karaa qof kasta. Shaqeeyaan goobaha sida soo socota:
in mid ka mid ah weel waxaa ka buuxsamay xal biyo ah phosphoric acid iyo wakiilka ah ceebtoodu xumbaynayso,
weel kale laftiisa kaalinta si habboon cusbi HOL;
in foosto qasabadaha furan.
Qoosho qaybaha wax loo isticmaalo bamka awood badan. HOL-formaldehyde cusbi oo durdur xumbo waxaa iyaga debeda ee fiicni gaar ah. mass ka dhalanaya in weelka lagu shubay galay saabka iyada oo biiyaha dhismaha bight.
The sifooyinka cusbi loo isticmaalo wax soo saarka ee xumbo
Ujeedada this, dhismaha waxaa inta badan loo isticmaalaa brand saarka KFZH-PV. Tani waxay dumin kara dareere waa caddaan ama light-brown midabka, caddaymaha oo waa in dhigma shuruudaha GOST.
feature | tilmaame |
hadhay qalalan | 51% |
formaldehyde free | No wax ka badan 0,25% |
nafwaayay-246 Qaraabo | 17-25 |
pH | 7.5-8.5 |
Gelation at 100 C. | 45-80 |
Miscibility biyo in cabirku yahay 1: 2 | total |
nolosha shelf Balanqaad | 20-25 maalmood |
Sida ku tilmaamay CF-cusbi
Sidaas darteed, waxaan helay aad u baahsan codsiga cusbi dhismaha iyo HOL ah. Alaabta Tani waxa lagu calaamadiyaa sida ay shuruudaha 14192 GOST. qoraalka on weelka la Habboon ama qaansheegta waa hadiyad ahaan:
Magaca saaraha ee uu summad;
miisaanka net;
sumadda cusbi;
taariikhda la sameeyay;
tirada Dufcaddii,
naqshada calanka laftiisa.
Sida ay tahay in loo buuxiyey cusbi
Shirkadaha alwaaxa iyo dhismaha Large iibsan alaabta this sida caadiga ah in tiro aad u badan. Xaaladdan oo kale, KF HOL-formaldehyde cusbi waxaa loo dhiibaa si ay u socoto in taangiyada tareenka. Dufcaddii yar ka buuxiyey galay fuusto steel. Recent inta aan la isticmaalin, sida ay GOST 13950, waa in si fiican loo raaciyaa. Heerarka ogolaadaa ridaya cusbi oo ay ku jiraan in ka-foosto multi cilado yar oo dibadda ah.
hababka imtixaanka
Qaado dhirta yaalla cusbi HOL (la sifooyinka la mid ah oo miisaankeedu yahay wax ka badan 200 metrik). Si aad u hubiso tayada wax soo saarka la tijaabiyey. In marxaladda hore ee soo saaridda:
tube-baarka dhibic biraha sampling;
Xarunta la gelinayn oo dhan tijaabada weel ku galaas;
-
calaamadeynta leh taariikhda naqshada iyo goobta ururinta.
Dhab ahaantii imtixaanka u gaar ah waxaa ka mid ah kormeerka muuqaal ah, iyo sidoo kale go'aan ku shaybaarka:
miisaanka of hadhay qalalan ee muunad kasta;
jajabka tiro formaldehyde xor ah,
fiirsashada ra'iyi hydrogen ah;
waqti gel;
miscibility biyo;
xoog siligga.
Sida loo qaado iyo dukaan
Gaadiid cusbi HOL (Class of khatar ah walaxda - II) waxaa laga yaabaa in dhammaan hababka gaadiidka. At heerkulka hawada ka hooseeya 0 ° C waxaa loo ogol yahay in ay isticmaalaan exchangers kulaylka kaliya ama weelasha la blaastiigga qalabada. Xaalada danbe, kuleylka lagu sameeyo biyaha kulul ee jaakada ee taangiga. heerkulka Habboon ka dib hawl this waa in aan ka badnayn 25 C. Si loo soo saaro kululaynta uumi saarka Reebay.
In xagaaga, marka hawada ka t 25 C, cusbi gaadiid awoodo aan ka badnayn 10 maalmood. Ku kaydi alaabta marka heerkulku hoos 5 ° C oo aan ka badan 20 ° C weel laga shaabadeeyey. Lama oggola in ay sii foosto ama taangiyada la dumin kara ee qorraxdu si toos ah. Sidoo kale GOST waanin inaad ku kaydiso weelasha la soo saarka this hoos shiraac ah, ma jidaynayey gaadhista roobab ah.
cusbi HOL: saarayaasha iyo noocyada
Si aad u taariikhda, waxa soo saaray oo ku saabsan 500 kun. Ton oo Habboon sano ah ee Russia. The shirkadaha ugu weyn gudaha ku lug la sii daayo alaabta this yihiin:
"Ugra lespromholding";
"Shatura";
Cherepovets iyo Volga warshadaha alaabta plywood gobolka;
Waxaa sidoo kale ku hawlan ee dalkeenna soo saaridda ee alaabta sida cusbi HOL-formaldehyde, ee soo saarayaasha ah ee Ruush Finnish. Waxay ku takhasustay soo saarka ee wax this, tusaale ahaan, JSC "Metadynea" iyo xubin ka mid ah walaac Yurub Company Group Swiss Krono "Kronostar East." Intaa waxaa dheer, Habboon waa mid ka mid ah noocyo ka mid ah waxyaabaha soo saaray by kooxaha warshadaha kiimikada sida "Akron" iyo "Metafaks".
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