1,3, 5- trioxane, tseem hu ua Trimic Formaldehyde lossis 1,3, {2}}}} {} {}, tshuaj lom neeg yog c3h6o3, uas yog ib qho dawb crystalline hmoov. Nws yog soluble hauv dej, dej cawv, ketones, cov neeg siv hluav taws xob, carbon chrs, thiab cov roj carbon monomic acids, thiab insolatic nyob rau hauv aliphatic hydrocarbons xws li pentane thiab roj av ether. Nws yog tsuas yog siv los ua ib nrab rau kev ua tshuab plastics, polyformaldehyde thiab lwm yam tshuaj lom neeg, thiab siv tau los ua cov tshuaj tua kab thiab tsis muaj kob. Ib qho tseem ceeb raw rau kev tsim cov khoom lag luam polyoxymethylene (pom yog siv tau dav, siv tsheb, tshuab, kho mob, thiab kev tsim kho. Cov khoom xyaw uas nquag muaj nyob rau hauv cov rooj tog tsim yog tsuas yog siv rau board ntoo, xws li cov tub laug, thiab cov rooj ntoo, rooj, thiab rooj zaum. Ib qho ntxiv, nws kuj yog siv los tsim cov khoom kho kom zoo nkauj xws li plywood, nyias cov ntoo zoo nkauj, uas feem ntau siv hauv kev tsim cov qauv xws li phab ntsa thiab nthab.
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Tshuaj Cov Qauv |
C3H6O3 |
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Muaj pes tsawg leej |
202 |
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Molecular hnyav |
202 |
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m/z |
90 (100.0%), 91 (3.2%) |
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Kev Ntsuam Xyuas |
C, 40.00; H, 6.71; O, 53.28 |
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Triformaldehyde, tseem hu ua Trioxane, trimmeric formaldehyde, lossis1,3, 5- trioxane, yog cov organic compound nrog cov tshuaj noj tshuaj c3h6o3. Nws yog cov tshuaj siv dav dav, tshwj xeeb yog nyob hauv thaj chaw ntawm rooj tog thiab cov khoom siv hauv tsev. Daim ntawv thov ntawm Formaldehyde muaj ntau, thiab nws cov haujlwm ntau yam ua rau nws muaj kev sib xyaw ua ke hauv kev tsim khoom. Cov hauv qab no yog cov lus qhia ntxaws ntxaws rau txhua qhov kev siv ntawm formaldehyde hauv tshav puam thiab cov khoom siv tsev.
Daim ntawv thov hauv rooj tog raug
(1) Ntoo Kev Sib Koom Tes
Kev Siv: Triformaldehyde yog ib qho khoom siv uas nquag muaj nyob hauv cov rooj tog tsim khoom, tsuas yog siv rau cov ntoo sib dhos, board, thiab khoom tsim khoom tsim. Cov laug cam no suav nrog lub ntsiab ntawm cov rooj tog xws li cov tub rog xws li, cov ntaub ntawv txaj, txaj, rooj, thiab cov rooj zaum.
Muaj nuj nqi: raws li lub ntsiab tivtive ntawm cov nplaum, formaldeyde tuaj yeem muab lub zog sib zog kom muaj zog thiab ua kom cov qauv kev ruaj ntseg ntawm cov rooj tog. Nyob rau tib lub sijhawm, nws kuj tseem tuaj yeem tiv thaiv cov yaig ntawm ya raws thiab dampness rau qee yam, txuas ntxiv rau lub neej kev pabcuam.
(2) kev tsim cov khoom siv dag
Kev siv: Triformaldehyde tseem ceeb lub luag haujlwm hauv kev tsim khoom ntawm cov cuab yeej cuab tam xws li lub rooj tsavxwm particboard thiab ntom ntom.
Muaj nuj nqi: Cov laug cam yog feem ntau yog tsim los ntawm nias ntoo tawg, sawdust, thiab lwm yam nrog cov nplaum. Raws li ib feem ntawm cov nplaum, formaldehyde pab kom nruj nreem txoj kev sib tsoo cov tawg no los tsim cov txiag loj thiab tiaj tus.
(3) rooj tog ntug kev kho
Kev siv: nyob rau hauv cov txheej txheem kho deg ntawm cov rooj tog ntawm cov rooj tog, xws li veneers, txheej, resins lossis cov nplaum uas muaj cov formaldehyde tseem siv tau.
Muaj nuj nqi: cov khoom siv no los yog cov nplaum no tuaj yeem txhim kho lub hardness thiab hnav tsis kam ntawm rooj tog zaum chaw, thaum tseem muab cov nyhuv zoo nkauj.
Daim Ntawv Thov Hauv Tsev Khoom Raug
(1) COMPROSED GROUNDING THIAB KHOOM INTERING
Kev siv: Ntau cov kab ke sib xyaw thiab cov khoom siv uas tsim khoom siv hauv cov ntaub ntawv tsis zoo.
Muaj nuj nqi: Triformaldehyde tuaj yeem ua kom muaj kev sib tw sib zog ntawm cov ntoo av hauv pem teb, txhim kho tag nrho cov ruaj khov thiab ruaj khov ntawm hauv av. Nyob rau tib lub sijhawm, nws kuj tseem tuaj yeem tiv thaiv cov yaig ntawm ya raws thiab dampness rau qee yam, tiv thaiv hauv pem teb los ntawm kev txiav tawm lossis nthuav dav.
(2) cov ntaub ntawv kho kom zoo nkauj
Kev Siv: Triformaldehyde yog siv los tsim ntau cov ntaub ntawv kho kom zoo nkauj, xws li plywood, Veneer panels, partitions, thiab lwm yam.
Muaj nuj nqi: Cov ntaub ntawv zoo nkauj no feem ntau yog siv rau kev tsim cov qauv qauv xws li phab ntsa, nthab, thiab plag tsev. Raws li ib feem ntawm cov nplaum los yog cob, formaldehyde tuaj yeem ntseeg tias qhov ruaj khov thiab ruaj khov ntawm cov ntaub ntawv no. Nyob rau tib lub sijhawm, nws kuj tseem tuaj yeem muab qee yam kev zoo nkauj thiab txhim kho cov txiaj ntsig zoo nkauj ntawm lub tsev.
(3) lub tsev nplaum
Kev Siv: Triformaldehyde tau siv dav ua ib lub tsev nplaum, xws li cov nplais nplaum, gypsum board adhesive, thiab lwm yam.
Muaj nuj nqi: Cov nplaum no ua kom muaj cov ntaub ntawv nruj ntawm cov ntaub ntawv hauv tsev thiab txhim kho cov txheej txheem txheej txheem tag nrho ntawm lub tsev. Nyob rau tib lub sijhawm, lawv kuj tseem tuaj yeem tawm tsam qee qhov noo noo thiab noo noo yaig, tiv thaiv cov ntaub ntawv hauv tsev los ntawm kev puas tsuaj los ntawm ya raws.
(4) Cov Khoom Siv Hluav Taws Xob thiab Cov Khoom Siv Dej
Kev siv: Resins los yog cov nplaum uas muaj cov formaldehyde tseem siv tau hauv cov txheej txheem tsim khoom ntawm qee yam kev tsim cov khoom siv tsis muaj dej.
Muaj nuj nqi: cov txheej txheem dej pleev thiab cov dej tsis huv tuaj yeem txhim kho kev ua haujlwm tsis muaj dej thiab cov tsev nyob ruaj khov ntawm cov tsev. Nyob rau tib lub sijhawm, lawv kuj tseem tuaj yeem muab cov nyhuv zoo nkauj thiab txhim kho kom pom kev tag nrho ntawm lub tsev.
Daim ntawv thov polyoxymethylene cob rau hauv rooj tog thiab cov ntaub ntawv tsim
PolyoxShlene resin (pom) yog lub thermoplastic synthesized los ntawm formaldehyde trimer, uas muaj cov tshuab zoo, tshuab, thiab tshuaj lom neeg. Hauv kev sib rooj ntawm cov rooj tog thiab cov ntaub ntawv hauv tsev, daim ntawv thov polyoxymethylene cob muaj kuj tseem heev.
(1) rooj tog kom raug
Lwm yam ntawm hlau Cheebtsam: Vim nws lub zog siab, thiab cuam tshuam los ntawm cov khoom siv uas tsis muaj zog, tab sis kuj sib zog dua los ntawm qhov hnyav thiab yooj yim dua rau cov txheej txheem thiab nruab.
Cov Txheej Txheem Txheej Txheem: Polyoxymethylene Resin kuj tseem siv tau los tsim cov qauv txheej txheem ntawm cov rooj tog zaum, xws li txhais ceg thiab ntas ntawm cov ntxhuav thiab cov rooj zaum. Cov khoom siv no tuaj yeem tiv thaiv cov nra loj thaum muaj cov qauv ruaj khov thiab qhov loj me.
Cov Hluav Taws Xob Cov Hniav: Ntxiv rau, PolyoxSylene Resin tseem siv tau los tsim cov khoom siv kom zoo nkauj, tab sis kuj txhim kho cov rooj tog zaum tag nrho thiab cov rooj tog zaum.
(2) Cov Khoom Siv Hauv Tsev Tsim
Qhov rooj thiab qhov rai kho vajtse: polyoxymethylene cob qhia feem ntau siv los tsim qhov rooj thiab qhov rai kho vajtse, xws li lwm yam, thiab lwm yam. Cov khoom siv kho vajtse tsis tsuas yog muaj cov durability zoo heev, tab sis kuj yooj yim los ntxuav thiab saib xyuas.
Pipeline System: Polyoxymethylene Resin kuj tseem siv tau los tsim cov tshuab raj, thiab cov kav dej ntws tawm, ua kom muaj kev siv hluav taws xob zoo li qub thiab kev nyab xeeb ntawm cov tsev.
Flooring thiab phab ntsa panels: vim nws cov hnav ua tau zoo, polyoxymethylene cob qhia kuj tseem siv tau hauv kev tsim cov ntaub ntawv hauv tsev xws li flooring thiab phab ntsa vaj tse. Cov ntaub ntawv no tsis yog tsuas yog ua kom huv si, tab sis kuj yooj yim los ntxuav thiab tswj, uas tuaj yeem txhim kho cov nyhuv zoo nkauj thiab kev pabcuam lub neej.
Daim Ntawv Thov ntawm Formaldehyde trimer nyob rau lwm cov chaw uas muaj feem xyuam nrog thiab muaj kev cuam tshuam rau cov rooj tog zaum thiab tsev
(1) Engineering Kev Raug Yas
Kev siv:1,3, 5- trioxanePuas yog ib qho ntawm cov ntaub ntawv raw tseem ceeb rau kev tsim khoom engineering tshuab yas polyoxymethylene (pom).
Muaj nuj nqi: polyoxymethylene muaj cov khoom zoo xws li muaj zog, thiab siv dav dav, thiab siv hluav taws xob ntau li, cov tshuab, tshuab, thiab cov cuab yeej siv hluav taws xob, tshuab, thiab cov cuab yeej siv hluav taws xob, tshuab, thiab kev seev. Hauv kev sib tsoo ntawm rooj tog thiab cov ntaub ntawv hauv tsev, polyoxymethylene tuaj yeem siv los tsim ntau yam kev ua haujlwm ntawm cov chaw thiab cov khoom zawv zawg thiab cov txuas rau hauv cov rooj tog zaum.
(2) Tshuaj Synthesis
Kev Siv: Triformaldehyde tseem siv tau los npaj cov tshuaj muaj ntau yam xws li cov tshuaj tsis huv, cov pa hluav taws, cov tshuaj tua kab, tshuaj tua kab, tshuaj tua kab, thiab lwm yam.
Indirect cuam tshuam: Cov tshuaj no tseem muaj dav nyob hauv thaj teb ntawm rooj tog thiab cov khoom siv tsev. Piv txwv li, anhydrous formaldehyde tuaj yeem siv los tsim ntau yam nplaum thiab txheej ci; Stabilizers tuaj yeem siv los txhim kho huab cua tsis kam thiab kev ruaj ntseg ntawm cov ntaub ntawv tsim tsev; Cov tshuaj tua kab mob tuaj yeem siv los ntxuav cov chaw thiab cov khoom siv tshuaj tua kab thiab cov khoom siv hauv tsev. Yog li ntawd, formaldeyde ua lub luag haujlwm tseem ceeb hauv kev sib raug zoo ntawm cov tshuaj no, kev txhawb nqa ncaj qha txhawb kev txhim kho ntawm cov rooj tog thiab cov khoom siv hauv tsev.
(3) Kev tiv thaiv ib puag ncig thiab kev txhim kho kom ruaj khov
Ib puag ncig qhov tseem ceeb: nrog kev txhim kho txuas ntxiv ntawm ib puag ncig, tib neeg them nyiaj ntau rau ib puag ncig kev ua haujlwm thiab kev ruaj ntseg ntawm cov rooj tog thiab cov khoom siv hauv tsev. Raws li cov khoom siv tshuaj raw dua tshiab, cov txheej txheem tsim thiab cov txheej txheem ntawm formaldehyde tau raws li kev tiv thaiv ib qho kev tiv thaiv ib puag ncig thiab kev txhim kho kom ruaj khov. Los ntawm kev kawm tsim nyog tsim thiab kev siv kev siv tshuaj, kev ua qias tuaj thiab kev puas tsuaj rau ib puag ncig yuav raug txo kom tsawg.
Kev cuam tshuam Indirect: Hauv cov rooj tog thiab cov ntaub ntawv hauv tsev, siv cov khoom lag luam ib puag ncig thiab ua tau zoo, tab sis kuj tseem yuav txo qhov kev cuam tshuam ntawm ib puag ncig. Qhov no pab txhawb cov khoom ntsuab ntsuab thiab muaj kev txhim kho ntawm cov rooj tog thiab cov khoom siv hauv tsev kev lag luam.
Tam sim no, nyob hauv peb lub teb chaws, trimmeric formaldehyde feem ntau yog siv los ua lub ntsiab monomer, lossis1,3, 5- trioxaneyog polymerized nrog ib tug me me ntawm tus neeg tsis saib xyuas xws li Dioxane. Muaj ob hom kev npaj npaj: Homopolymerization thiab copolymerization, thiab copolymerization yog txoj kev tseem ceeb hauv Suav teb. Kev npaj ntawm Trimricerhyde yog los mloog zoo 37% ~ 40% ntawm kev lag luam kev lag luam formaldehyde rau 60% ~ 70%. Nyob rau hauv lub xub ntiag ntawm catalyst (xws li muaj cov sulfuric acid), trimmeric formalhayde yog synthesized ntawm 100 degree frystallized kom tau txais anhydrous trimryhyde monomer.
Homopolinercerization:
Siv Boron Trifluoride ether complex ua tshuaj tua kab mob}}} Cov Kettle esterle tom qab hau, ntxuav thiab kom qhuav. Hloov cov pab pawg hydroxyl ntawm ob xaus ntawm cov polymer molecular nrog esteriolet nqus thiab lwm yam kev ntxiv tshuaj ntxiv kom tau cov khoom tiav los ntawm kev rho tawm granulation.
Txoj Kev Copolymerization:
Nws tuaj yeem muab faib ua cov qauv hnyav thiab cov qauv.
① solvent txoj kev:
Noj roj av, roj av ether lossis cyclohexane raws li cov tshuaj tiv thaiv, ntxiv cov tshuaj tiv thaiv kab mob, cov kev siv dej cawv, txoj kev haus dej cawv lossis txoj kev haus cawv kom rhuav tshem residual catalyst thiab tsis khov polymer kawg pab pawg, kom tau cov khoom dawb hmoov;
② Bulk hom:
Cov khoom siv polymer polymer tau los ntawm polymerizing trimer formalhyde, dioxane (2% ntawm Trimer factor lossis ntxaij vab tshaus reactor lossis ntxig ntsia hlau reactor ntawm 55 ~ 60 degree. Cov khoom lag luam uas muaj cov tshuaj polymerization tseem xav tau kev kho tom qab, tab sis tsis tas yuav muaj ntau yam hnyav. Cov txheej txheem ntau lawm yog yooj yim thiab lub lag luam yooj yim. Tshwj xeeb, kev siv ntawm Twin-ntsia hlau reassor yog txoj kev txhim kho yav tom ntej.
Cov kev npaj qauv ntawm cov iav fiber ntxiv txhawb polyoxymethylene yog qhov zoo ib yam li cov iav fiber ntau ntxiv txhawb nqa polycarbonate.
Cim npe nrov: 1,3, {{5- trioxane cas {}}, cov chaw tsim khoom, chaw tsim khoom, yuav khoom, nqe, loj, rau muag