xov xwm

Raws li kev lag luam tsim khoom thoob ntiaj teb siv zog rau kev ua tau zoo dua, kev siv nyiaj zoo dua, thiab cov kev daws teeb meem zoo dua rau ib puag ncig, cov tshuaj lom neeg tseem ceeb tab tom hloov kho qhov xwm txheej ntawm kev lag luam polyurethane.Dimethylthioterephthalic anhydride, luv ua DMTDA (CAS tus lej: 106264-79-3), ua tus neeg sawv cev kho kua dej tshiab, tab tom muab cov chaw tsim khoom hauv Southeast Asia thiab North America nrog lwm txoj hauv kev zoo tshaj plaws uas dhau cov ntaub ntawv ib txwm muaj hauv kev ua tau zoo.

I. Kev Txhais Dua Cov Qauv Kev Ua Haujlwm: Cov Txiaj Ntsig Tseem Ceeb ntawm DMTDA

DMTDA tsis yog tsuas yog ib qho kev hloov pauv xwb; nws yog ib qho kev daws teeb meem uas tau txhim kho kev ua tau zoo. Piv nrog rau cov neeg sawv cev kho kom zoo nkauj MOCA, DMTDA tau ua tiav qhov zoo tshaj plaws hauv daim ntawv lub cev, kev yooj yim ua haujlwm, thiab kev ua haujlwm tiav.

Cov Lus Qhia Tseem Ceeb:

Lub Npe Khoom: Dimethyl Thio-Toluene Diamine (DMTDA)
Tus lej CAS:106264-79-3
Cov mis molecular:C9H14N2S2
Tsos:Kua daj daj ntseg
Kev Huv Si:≥95% (Tag Nrho Amine Cov Ntsiab Lus)
Kev Ua Haujlwm:Cov Khoom Siv Txuas Ntxiv Saw / Cov Khoom Siv Kho / Cov Khoom Siv Txuas Hlaws

Cov qauv tshuaj ntawm DMTDA tso cai rau nws ua haujlwm ua tus crosslinker zoo, muab cov khoom siv kho tshuab zoo heev rau cov khoom polymer kawg. Nws cov kua dej tsis tas yuav tsum tau cua sov lossis yaj ua ntej siv, uas yog qhov yuav tsum tau ua rau cov neeg sawv cev kho khoom khov kho xws li MOCA, yog li txuag hluav taws xob thiab txhim kho kev nyab xeeb hauv chaw ua haujlwm.

II. Vim li cas ho xaiv DMTDA? Kev Hloov ntawm MOCA

Kev ua haujlwm yooj yim, kev ua haujlwm tau ob npaug

Kua nyob rau hauv chav sov: DMTDA zoo li cov kua daj daj ntseg ntawm chav sov, tshem tawm qhov xav tau rau cov txheej txheem yaj xws li MOCA. Qhov no tsis yog tsuas yog txuag lub zog thiab kev nqis peev khoom siv xwb tab sis kuj ua rau cov txheej txheem tsim khoom yooj yim dua, txhim kho kev ua haujlwm zoo dua.

viscosity qis, yooj yim sib tov: Nws cov viscosity qis ua kom muaj kev sib tov sai thiab sib xws nrog prepolymer, tshwj xeeb tshaj yog haum rau cov txheej txheem siab heev xws li kev txhaj tshuaj molding thiab kev txau ntawm polyurea elastomers uas xav tau kev sib tov zoo.

Kev lag luam zoo heev, qhov zoo ntawm tus nqi tseem ceeb

Txo cov tshuaj: Cov tshuaj sib npaug ntawm DMTDA qis dua li ntawm MOCA, uas ua rau kwv yees li 20% txo qis kev siv khoom hauv kev siv tiag tiag. Qhov no txhais tau tias ua tiav tib yam lossis zoo dua thaum txo cov nqi khoom siv raw.

Tus nqi ruaj khov: Ua tsaug rau cov txheej txheem tsim khoom loj hlob thiab cov teebmeem ntawm qhov ntsuas,tus nqi ntawm DMTDAtseem ruaj khov, muab kev lees paub txhim khu kev qha rau kev tswj tus nqi mus sij hawm ntev rau cov lag luam.

Zoo dua qub: Cov khoom siv lub cev zoo dua: Cov polyurethane elastomer kho nrog DMTDA ua tau zoo dua li MOCA system hauv cov cim tseem ceeb xws li kev ua kom ruaj khov, kev tiv thaiv kev hnav, thiab kev tiv thaiv kev tawg ntawm flex. Qhov no ua rau cov khoom kawg ruaj khov dua thiab muaj peev xwm tiv taus cov xwm txheej nyuaj dua.

Siv tau dav: Txij li cov menyuam luam ntawv ua haujlwm siab, cov khoom siv tsheb, mus rau cov tshuaj tiv thaiv hluav taws, cov ntaub ntawv tiv thaiv xeb hlau, DMTDA cov xwm txheej thov tau nthuav dav tas li, muab kev txhawb zog rau kev hloov kho khoom hauv ntau yam lag luam.

Muaj kev nyab xeeb thiab ib puag ncig zoo, ua raws li cov qauv thoob ntiaj teb

Kev lom tsawg, muaj kev nyab xeeb: Kev lom ntawmDMTDAqis dua li ntawm MOCA, thiab nws tsis muaj kev pheej hmoo carcinogenic lossis mutagenic, txhim kho qhov chaw tsim khoom thiab ua kom muaj kev noj qab haus huv ntawm cov neeg ua haujlwm, ua rau cov tuam txhab lag luam yooj yim ua raws li cov cai tswjfwm kev noj qab haus huv thiab kev nyab xeeb ntawm kev ua haujlwm.

III. Cov txheej txheem uas zoo rau ib puag ncig

Nws cov txheej txheem tsim khoom siv cov txheej txheem "kev sib xyaw ua ke tsis muaj kev cuam tshuam" uas pheej yig dua thiab zoo rau ib puag ncig, ua raws li kev lag luam thoob ntiaj teb ntawm kev tsim khoom ntsuab.

Kev Koom Tes tob hauv Sab Qab Teb Asia thiab North America: Kev Nkag Siab Txog Kev Lag Luam

Txawm hais tias cov theem kev loj hlob ntawm cov lag luam Es Xias Qab Teb thiab North America txawv, ob qho tib si muaj kev xav tau sai rau cov khoom siv ua haujlwm tau zoo thiab ua haujlwm tau zoo.

Kev lag luam hauv Es Xias Qab Teb: Kev tsim kho vaj tse thiab kev tsim khoom nce siab

Kev tsim vaj tsev ntsuab: Nrog rau kev nce qib ntawm kev loj hlob hauv nroog hauv cov tebchaws Es Xias Qab Teb, qhov kev thov rau cov khoom siv hauv tsev ua tau zoo tau nce siab. Daim ntawv thov ntawm DMTDA hauv cov txheej txheem tiv thaiv hluav taws thiab cov hlau tiv thaiv xeb ua tau raws li cov qauv siab ntawm kev nyab xeeb ntawm lub tsev thiab kev ruaj khov uas lub khw no xav tau.

IV. Kev txhim kho kev tsim khoom

Ua ib qho chaw tseem ceeb rau kev hloov pauv kev tsim khoom thoob ntiaj teb, kev lag luam tsheb, textile, thiab ntawv hauv Southeast Asia tab tom txhim kho sai. Kev siv DMTDA hauv cov chaw tsim khoom siab xws li cov khoom siv tsheb thiab cov menyuam luam ntawv tuaj yeem pab cov tuam txhab hauv zos txhim kho kev sib tw ntawm cov khoom thiab ntes cov saw hlau muaj nqis siab.

Kev lag luam hauv North America: Kev tsim kho tshiab thiab kev tsim khoom siab heev

Cov tshuaj ua kom cov txheej txheem siab heev: Kev lag luam hauv North America yog tus thawj coj hauv cov thev naus laus zis siab heev xws li kev txhaj tshuaj molding thiab kev txau ntawm polyurea elastomers. Ua tus neeg sawv cev kho kua zoo tagnrho,DMTDAtuaj yeem siv tag nrho cov txiaj ntsig ntawm cov txheej txheem no thiab tsav cov kev tsim kho tshiab hauv cov cheeb tsam xws li kev ua kom lub tsheb sib dua thiab cov txheej txheem tiv thaiv kev ua haujlwm siab.