Diboron Trioxide CAS 1303-86-2

Shaanxi BLOOM Tech Co., Ltd. yog ib qho ntawm cov tuam ntxhab thiab cov muag khoom ntawm diboron trioxide cas 1303-86-2 hauv Suav teb. Txais tos rau cov lag luam wholesale bulk zoo siab diboron trioxide cas 1303-86-2 muag ntawm no los ntawm peb lub hoobkas. Kev pabcuam zoo thiab tus nqi tsim nyog muaj.

Boron trioxideyog ib yam tshuaj inorganic nrog cov tshuaj formula B2O3, CAS 1303-86-2. Nws yog ib qho xim tsis muaj iav siv lead ua los yog hmoov. Nws yog ib qho nyuaj thiab nkig, nrog ib tug greasy thiab tasteless nto. Nws yog thermally ruaj khov. Nws tsis yog txo los ntawm carbon nyob rau hauv dawb kub, tab sis alkali hlau, magnesium, thiab txhuas yuav txo tau nws mus rau monomer boron. Thaum txog 600 degree, nws dhau los ua kua nplaum heev. Boric anhydride tuaj yeem nqus dej tau zoo hauv huab cua los tsim boric acid-Soluble hauv acid, ethanol, thiab dej kub thiab me ntsis soluble hauv dej txias. nws tuaj yeem ua ke nrog ntau cov hlau oxides los ua boron iav nrog cov yam ntxwv xim. Nws tuaj yeem ua tsis zoo nrog cov hlau alkali, tooj liab, nyiaj, txhuas, arsenic, antimony, thiab bismuth oxides. Crystalline nws yooj yim heev rau nqus dej thiab ua turbid tom qab nqus dej. Nws kuj tuaj yeem yaj hauv cawv. Thaum qhov kub thiab txias qis, nws siv lead ua tuaj yeem tau los ntawm lub cev qhuav dej ntawm H3BO3. Crystal muaj bo4 tetrahedral structural units, nrog ib tug ceev ntawm 1.805g / cm2 thiab ib tug melting point ntawm 450 degree. Lub thickness ntawm glassy uas yog 1.795g / cm, uas maj mam softens thaum lub kub nce thiab ua kua thaum nws mus txog lub liab kub kub kub, nrog ib tug boiling point ntawm 1500 degree. Boron tseem ncaj qha ua ke nrog oxygen kom tau B2O3. Nws yog dav siv los ua ib qho flux rau silicate decomposition, dopant rau cov khoom siv semiconductor, acid catalyst hauv cov organic synthesis, hluav taws-resistant additives rau cov xim, thiab cov khoom siv raw rau kev npaj cov boron thiab ntau yam borides.

Boron trioxideyog siv los ua cov iav kho qhov muag vim nws cov qauv tsim tshwj xeeb. Lub hauv paus ntsiab lus ntawm cov qauv yog cov iav uas (g-b2o3) zoo li yuav yog cov qauv sib txuas tsim los ntawm kev sib txuas ntawm ntau daim duab peb sab BO3 los ntawm kev sib koom cov pa atoms, nyob rau hauv uas boron oxygen theem rau -membered nplhaib b3o3 yog qhov tseem ceeb. Lub boron atom yog peb qhov sib koom ua ke hauv rau - lub nplhaib koom nrog, thiab cov pa oxygen atom yog ob qho tib si. Lub khob softens ntawm 325-450℃C thiab nws qhov ceev hloov nrog cua sov. Thaum rhuab, qhov kev tsis sib haum xeeb nyob rau hauv boron oxid qauv ntawm iav nce. Thaum qhov kub siab tshaj 450 ° C, lub polar -b=o puag yuav raug tsim.

Thaum qhov kub siab tshaj 1000 ° C, lub vapor yog tsim los ntawm B2O3 monomer, thiab nws cov qauv yog angular o=b-o-b=o. Ordinary hexagonal boron oxid tuaj yeem tsim los ntawm crystallizing kua nyob rau hauv thaj tsam ntawm 200-250℃C nyob rau hauv ib txwm siab ( - B2O3), uas nws cov qauv yog yuav luag tag nrho daim duab peb sab BO3 units. Ntawm 22000atm thiab 400℃C, - Kev hloov pauv ntawm B2O3 rau hauv monoclinic siv lead ua ntawm qhov kub thiab txias thiab siab - hom siab - B2O3. Cov txheej txheem hloov pauv zoo ib yam li cov quartz rau coesite nyob rau hauv siab. Dhau li ntawd, - B2O3 kuj tuaj yeem tau los ntawm cov kua dej crystallizing ntawm 40000 ATM, thiab 600℃C. - B2O3 muaj cov khoom loj loj (k=180 GPA). G-b2o3 thiab - Vickers hardness ntawm B2O3 yog 1.5gpa thiab 16gpa, feem.

Nyob rau hauv ib txwm muaj siab, kua boron oxide tuaj yeem crystallize nyob rau hauv thaj tsam ntawm 200-250℃los tsim cov hexagonal boron oxide zoo tib yam (- B2O3), uas nws cov qauv yuav luag tag nrho ntawm daim duab peb sab BO3 units.

Ntawm 22000 atm thiab 400℃, - B2O3 hloov mus rau hauv siab - kub thiab siab - siab monoclinic crystal - B2O3. Cov txheej txheem hloov pauv zoo ib yam li kev hloov pauv ntawm quartz rau coesite nyob rau hauv siab. Tsis tas li ntawd, - B2O3 kuj tuaj yeem tau los ntawm crystallization ntawm cov kua boron oxide ntawm 40000 atm thiab 600℃.
Qhov ntau modulus ntawm - B2O3 loj heev (K=180GPa). Vickers hardness ntawm g-B2O3 thiab - B2O3 yog 1.5 GPa thiab 16 GPa, feem.

Cov khoom siv tshuaj lom neeg ntawm boron oxide yog raws li hauv qab no: nws yog cov kua qaub oxide uas tuaj yeem yaj ntau alkaline hlau oxides thaum yaj los ua cov iav borates thiab metaborates (iav iav) nrog cov yam ntxwv xim. Qhov no yog lub hauv paus ntsiab lus ntawm kev txheeb xyuas qhov zoo ntawm cov hlau los ntawm kev sim borax hlaws. Nws tuaj yeem raug txo kom yooj yim boron los ntawm alkali hlau, txhuas, thiab magnesium. Tom qab cov tshuaj tiv thaiv, cov tshuaj tiv thaiv sib tov tau kho nrog hydrochloric acid, MgO, B2O3, thiab Mg tau yaj nyob rau hauv hydrochloric acid, thiab crude boron tau txais tom qab pom. Nws tsis tuaj yeem raug txo los ntawm cov pa roj carbon ntawm qhov kub thiab txias (boron carbide tuaj yeem tsim los ntawm qhov kub thiab txias). Boron trichloride tuaj yeem tau txais los ntawm kev ua pa nrog carbon thiab chlorine ntawm qhov kub thiab txias. Ntawm 600℃C, nws reacts nrog ammonia kom tau boron nitride (BN) thiab calcium hydride kom tau calcium hexaboride (CaB6). Nws yog anhydride ntawm boric acid. Thaum yaj nyob rau hauv dej, nws yuav tso ib tug loj npaum li cas ntawm tshav kub los tsim metaboric acid thiab boric acid.

Boron trioxide, tseem hu ua boron oxide los yog boron anhydride, yog ib qho inorganic compound nrog cov tshuaj ruaj khov, siab melting point, zoo tshuaj inertness, thiab hygroscopicity. Nws ua lub luag haujlwm tseem ceeb hauv ntau qhov chaw lag luam thiab lub neej txhua hnub.

Kev lag luam iav

 

1. Kev tsim cov iav tshwj xeeb
Nws yog ib qho tseem ceeb raw khoom rau kev tsim ntau hom iav tshwj xeeb. Nws tuaj yeem ua ke nrog ntau yam oxides los tsim boron iav, iav kho qhov muag, tshav kub- iav tiv thaiv, ntsuas iav, thiab iav fiber ntau nrog cov xim xim. Piv txwv li, cov iav tiv thaiv tshav kub feem ntau siv hauv cov chaw soj nstuam (xws li Pyrex) muaj boron trioxide, uas muaj cov cua sov zoo thiab kev ruaj ntseg tshuaj, tuaj yeem tiv taus qhov kub thiab txias thiab tshuaj corrosion, thiab yog dav siv hauv kev tshawb fawb thiab kev lag luam.

 

2. Txhim kho iav kev ua haujlwm
Hauv cov txheej txheem iav, nws tuaj yeem txo qhov thermal expansion coefficient ntawm iav, kho cov viscosity ntawm iav, thiab txhim kho nws cov tshuaj stability. Cov kev txhim kho kev ua tau zoo no ua rau cov khoom siv iav ntau ruaj khov thiab hloov tau mus rau ntau qhov kev siv ib puag ncig. Piv txwv li, ntxiv boron trioxide rau architectural iav tuaj yeem txhim kho nws cov thermal poob siab thiab txo qhov kev pheej hmoo ntawm kev tawg los ntawm kev hloov kub.

3. Cov ntaub ntawv tiv thaiv lub teeb
Nws tseem tuaj yeem siv los tsim cov khoom siv tiv thaiv lub teeb, xws li iav lim. Cov ntaub ntawv no tuaj yeem xaiv los nqus lossis cuam tshuam lub teeb ntawm cov wavelengths tshwj xeeb, tiv thaiv tib neeg lub qhov muag lossis cov khoom siv los ntawm teeb pom kev zoo.

Kev lag luam ceramic

 

1. Ceramic glaze raw khoom
Nws yog ib qho tseem ceeb raw cov ntaub ntawv rau porcelain glaze. Porcelain glaze yog txheej iav uas npog saum npoo ntawm cov khoom siv ceramic, uas tuaj yeem txhim kho qhov zoo nkauj thiab kav ntev ntawm cov khoom siv ceramic. Nws qhov sib ntxiv tuaj yeem kho qhov melting point thiab viscosity ntawm porcelain glaze, ua rau nws tsim nyog rau kev tua hluav taws ntawm cov khoom siv ceramic.

2. Ceramic additives
Hauv kev tsim cov txheej txheem ceramic, nws kuj tuaj yeem siv los ua cov khoom siv ntxiv los txhim kho kev ua haujlwm ntawm cov khoom siv ceramic. Piv txwv li, nws tuaj yeem txhim kho qhov ntom thiab hardness ntawm ceramics, txhim khu lawv hnav tsis kam thiab corrosion kuj.

Kev lag luam metallurgical

 

1. Kev tsim cov hlau alloy
Hauv kev lag luam metallurgical, nws yog siv rau kev tsim cov hlau alloy. Nws tuaj yeem tsim cov alloys nrog hlau thiab lwm yam khoom siv hlau los txhim kho cov khoom ntawm cov hlau. Piv txwv li, kev ntxiv tuaj yeem txhim kho hardness, hnav tsis kam, thiab corrosion kuj ntawm steel, ncua nws cov kev pab cuam lub neej.

2. Muaj zog roj ntau lawm
Nws kuj tseem siv tau rau kev tsim cov roj hluav taws xob siab -. Los ntawm reacting nrog lwm cov tebchaw, siab - cov khoom siv roj hluav taws xob tuaj yeem tsim tau, muab kev txhawb zog rau siab - thev naus laus zis xws li foob pob hluav taws thiab foob pob hluav taws.

Kev lag luam semiconductor

 

1. Doping agent
Nws ua lub luag haujlwm tseem ceeb hauv kev lag luam semiconductor thiab dav siv los ua dopant los txhim kho cov khoom hluav taws xob ntawm cov khoom siv semiconductor. Los ntawm kev tswj hwm tus nqi doping thiab doping txoj kev ntawm boron trioxide, qhov tseem ceeb tsis xws li hom conductivity, carrier concentration, thiab kev txav ntawm cov khoom siv semiconductor tuaj yeem hloov kho kom tau raws li qhov xav tau ntawm cov khoom siv sib txawv.

2. Epitaxial thiab diffusion txheej txheem
Hauv cov txheej txheem tsim khoom semiconductor, nws kuj tseem siv rau cov txheej txheem epitaxial thiab diffusion. Epitaxy yog cov txheej txheem rau kev loj hlob ib leeg siv lead ua nyias zaj duab xis ntawm ib qho siv lead ua substrate, thaum diffusion yog cov txheej txheem ntawm diffusing dopants hauv cov khoom siv semiconductor los ntawm kev kho cua sov. Boron trioxide, raws li qib siab -purity reagent, tuaj yeem muab qhov chaw ruaj khov kom ntseeg tau tias kev ua tiav ntawm cov txheej txheem epitaxial thiab diffusion.

Organic synthesis

 

1. Catalyst
Nws tuaj yeem siv los ua cov catalyst hauv cov organic synthesis los txhawb qee cov tshuaj tiv thaiv. Piv txwv li, nws muaj peev xwm catalyze esterification, etherification, condensation thiab lwm yam kev cuam tshuam, kev txhim kho cov tshuaj tiv thaiv thiab tawm los. Boron trioxide catalyst muaj qhov zoo ntawm kev ua haujlwm siab, kev xaiv zoo, yooj yim rov qab thiab rov qab siv dua, thiab muaj cov ntawv thov dav dav hauv thaj chaw ntawm cov organic synthesis.

2. Cov tshuaj tiv thaiv intermediates
Hauv qee qhov kev cuam tshuam cov organic synthesis, nws kuj tuaj yeem siv los ua cov tshuaj tiv thaiv nruab nrab. Nws tuaj yeem hnov ​​​​mob nrog cov organic sib txuas los tsim cov khoom nruab nrab nrog cov qauv tshwj xeeb, yog li kev sib txuas ntawm lub hom phiaj organic compound. Daim ntawv thov no nthuav dav siv boron trioxide hauv thaj chaw ntawm cov organic synthesis.

Cim npe nrov: Diboron Trioxide CAS 1303-86-2, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom