Ua tam sim no nrog DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5 rau cov polyurethanes uas tsis ntub dej

Koj feem ntau pom tias cov tshuaj polyurethane ua rau muaj teeb meem. Ntau yam khoom muaj lub kaum sab xis qis rau kev sib cuag dej, xws li cov hlau tsis xeb ntawm 76.3°, polyurethane tswj tau ntawm 95.2°, thiab qee cov tshuaj polyurethane tua kab mob hauv qab 83°. DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5 tshem tawm cov teeb meem no. Nws cov qauv tshwj xeeb cia koj tsim cov khoom polyurethane uas tsis ntub dej thiab ruaj khov.

Cov Ntsiab Lus Tseem Ceeb

• DDI (Dimeryl Diisocyanate) tsim cov polyurethanes uas tsis ntub dej uas tiv taus dej noo, ua kom ruaj khov thiab siv tau ntev hauv ntau yam kev siv.
• Siv TSIS MUAJ txhim kho kev ua tau zoo ntawm cov khoom polyurethane los ntawm kev txo cov teeb meem xws li blistering thiab dej tsis ua haujlwm, ua rau muaj txiaj ntsig zoo.
• Kev sib koom ua ke TSIS MUAJ rau hauv koj cov qauv yooj yim: xaiv cov polyol zoo, sib tov nyob rau hauv cov xwm txheej tswj tau, thiab sim seb puas tiv taus dej kom ua tiav qhov kev ua tau zoo tshaj plaws.

Kev Rhiab Dej hauv Polyurethanes

Kev Txhais thiab Kev Cuam Tshuam

Kev tsis haum dej cuam tshuam rau cov khoom polyurethane ua haujlwm thiab kav ntev li cas. Thaum koj siv polyurethane hauv cov txheej txheem lossis cov sealants, cov dej noo tuaj yeem ua rau muaj ntau yam teeb meem. Tej zaum koj yuav pom cov hlwv, cov dej tsis ua haujlwm, lossis txawm tias cov khoom puas tsuaj. Cov pwm tuaj yeem loj hlob yog tias dej ntws rau hauv cov khoom. Lub rooj hauv qab no qhia txog cov teebmeem tseem ceeb ntawm kev tsis haum dej rau cov khoom polyurethane:

Koj yuav tsum tau daws cov teeb meem no kom ua rau koj cov khoom polyurethane txhim khu kev qha thiab siv tau ntev.

Cov Teeb Meem Hauv Cov Txheej Txheem Isocyanate Ib Txwm Muaj

Cov txheej txheem isocyanate ib txwm muaj ntau yam teeb meem thaum raug dej noo. Koj feem ntau ntsib cov tshuaj tiv thaiv tsis xav tau uas ua rau koj cov polyurethane tsis zoo. Nov yog qee qhov teeb meem uas feem ntau tshwm sim:

• Isocyanates ua rau cov dej noo sai sai, uas tuaj yeem ua rau muaj npuas dej thiab muaj kev nyuaj siab.
• Cov tshuaj tiv thaiv tsim cov ureas thiab carbon dioxide, ua rau cov isocyanate uas muaj ploj mus.
• Cov teeb meem no ua rau nws nyuaj rau tswj cov khoom kawg ntawm koj cov khoom.

Koj tuaj yeem kov yeej cov teeb meem no los ntawm kev xaiv cov kev daws teeb meem siab heev xws li DDI (Dimeryl Diisocyanate) CAS TSIS MUAJ. 68239-06-5. Qhov kev xaiv no pab koj tsim cov polyurethanes uas tsis ntub dej uas tiv taus dej noo thiab kav ntev dua.

DDI (Dimeryl Diisocyanate) CAS TSIS MUAJ. 68239-06-5: Kev daws teeb meem rau Polyurethanes uas tsis ntub dej

Cov Khoom Siv Tshuaj Tshwj Xeeb ntawm TSIS MUAJ

Koj xav kom koj cov khoom polyurethane kav ntev thiab nyob ruaj khov, txawm tias nyob rau hauv cov huab cua ntub. DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5 sawv tawm vim nws cov qauv tshuaj tshwj xeeb. Cov tshuaj no muaj 36-carbon backbone ntev, uas ua rau nws yooj ywm thiab muaj zog. Qhov viscosity qis ua rau nws yooj yim rau koj sib tov thiab tuav. DDI kuj qhia tias muaj tshuaj lom tsawg, yog li koj tuaj yeem siv nws kom muaj kev nyab xeeb hauv ntau daim ntawv thov.

Cia peb piv DDI nrog lwm cov isocyanates uas siv rau hauv kev tsim polyurethane. Lub rooj hauv qab no qhia txog qhov hnyav molecular ntawm DDI, NCO cov ntsiab lus, thiab kev lom ntawm lwm cov kev xaiv:

Koj tuaj yeem pom tias DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5 muaj qhov hnyav molecular siab dua thiab muaj tshuaj lom tsawg dua li lwm cov isocyanates. Qhov no txhais tau tias koj tau txais cov khoom muaj kev nyab xeeb dua thiab ruaj khov dua.

Cov Txheej Txheem Ua Haujlwm Piv Rau Lwm Cov Isocyanates

Thaum koj siv DDI, koj tau txais txoj hauv kev sib txawv piv rau cov isocyanates ib txwm muaj. DDI sib xyaw nrog polyols los tsim cov urethane bonds muaj zog. Cov saw hlau carbon ntev hauv DDI pab tsim kom muaj lub network yooj ywm. Lub network no tiv taus kev tawg thaum raug dej lossis kev ntxhov siab.

Lwm cov isocyanates, xws li TDI lossis MDI, ua rau dej kub sai. Qhov no tuaj yeem ua rau muaj npuas thiab qhov tsis muaj zog hauv koj cov polyurethane. DDI cov qauv ua rau qeeb qeeb cov tshuaj tiv thaiv tsis xav tau nrog cov dej noo. Koj tau txais kev tswj hwm zoo dua ntawm cov txheej txheem kho. Koj cov khoom kawg tseem du thiab muaj zog, txawm tias muaj qee qhov dej noo thaum lub sijhawm thov.

Lub Tswv Yim: Siv DDI pab koj zam cov teeb meem xws li npuas lossis tawg hauv koj cov txheej polyurethane.

Cov Txiaj Ntsig Kev Ua Tau Zoo Hauv Qab Dej

Koj xav kom koj cov khoom polyurethane ua haujlwm tau zoo, txawm tias nyob rau hauv qhov chaw ntub dej lossis noo noo. Cov polyurethanes DDI-based qhia tau zoo heev thaum raug dej ntev. Lawv tiv taus hydrolysis, uas txhais tau tias dej tsis yooj yim zom cov khoom. Qhov no ua rau lub neej ua haujlwm ntev dua rau koj cov khoom.

Nov yog cov ntsiab lus ntawm DDI-based polyurethanes ua haujlwm li cas hauv dej:

Koj tuaj yeem ntseeg siab rau DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5 kom koj cov khoom polyurethane tsis txhob ntub dej thiab txhim khu kev qha. Qhov no ua rau nws yog qhov kev xaiv ntse rau cov txheej txheem, cov khoom siv foob, thiab lwm yam kev siv uas muaj dej noo.

Cov txiaj ntsig thiab kev siv ntawm DDI (Dimeryl Diisocyanate) CAS TSIS MUAJ. 68239-06-5

Kev Ua Kom Ruaj Khov thiab Ntev Ntev

Koj xav tau cov khoom polyurethane uas kav ntev. Thaum koj siv DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5, koj tau txais cov txheej thiab cov sealants uas tiv taus dej thiab nyob ruaj khov. Polyurethanes nrog DDI qhia tsawg dua viscosity txo qis thiab qis dua acid nqi tsim tom qab raug rau siab av noo thiab cua sov. Qhov no txhais tau tias koj cov khoom khaws lawv cov duab thiab kev ua tau zoo ntev dua. Koj kuj pom tsawg dua daj, yog li koj cov txheej zoo li tshiab txawm tias tom qab raug UV.

Kev Siv Tau Ntau Yam Hauv Kev Lag Luam

Koj siv tau DDI hauv ntau yam lag luam. Nws ua haujlwm zoo hauv kev ua tiav ntaub, cov nplaum, elastomers, sealants, coatings, thiab inks. Koj pom DDI hauv kev siv tub rog thiab pej xeem. Nws pab koj tsim cov ntaub tsis muaj dej, cov txheej tawv rau ntoo thiab hlau, thiab cov elastomers yooj ywm. Koj tau txais cov txiaj ntsig txhim khu kev qha txawm tias koj ua haujlwm hauv kev tsim kho, textiles, lossis tsheb.

Cov txiaj ntsig ntawm tus nqi thiab kev ua tau zoo

Koj pom tias DDI yog ib yam khoom uas tsis ua rau ib puag ncig puas tsuaj thiab nrov zuj zus tuaj. Cov nqi rau DDI tau txo qis, tab sis cov bio-based diisocyanates zoo li DDI tseem tuaj yeem kim dua li cov kev xaiv ib txwm muaj. Koj them ntau dua ua ntej, tab sis koj tau txais txiaj ntsig zoo dua. Polyurethanes nrog DDI tiv taus kev lwj thiab daj, yog li koj siv nyiaj tsawg dua rau kev kho thiab hloov pauv.

• DDI muaj kev tiv thaiv dej zoo dua.
• Koj tau txais kev ruaj khov zoo dua thiab xim ruaj khov.
• Koj txhawb nqa cov tshuaj ntsuab hauv koj cov khoom.

Cov Kauj Ruam Los Koom Ua Ib Ke TSIS MUAJ hauv Polyurethane Formulations

Koj tuaj yeem ntxiv DDI rau koj cov polyurethane formulations hauv ob peb kauj ruam yooj yim:

1. Xaiv cov polyol uas haum rau koj daim ntawv thov.
2. Sib tov DDI nrog koj cov polyol nyob rau hauv cov xwm txheej tswj tau.
3. Kho qhov piv kom ua tiav qhov yooj ywm thiab lub zog xav tau.
4. Kho cov khoom sib tov ntawm qhov kub uas pom zoo.
5. Sim cov khoom kawg kom paub tseeb tias nws tsis ntub thiab ruaj khov.

Lub Tswv Yim: Ib txwm ua raws li cov lus qhia kev nyab xeeb thaum kov cov isocyanates.

Koj tuaj yeem ntseeg siab DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5 rau cov khoom polyurethane uas tsis ntub dej, siv tau ntev. Tam sim no muaj ntau lub lag luam xaiv cov kev daws teeb meem no vim nws muaj kev nyab xeeb, kev tsim khoom ruaj khov, thiab tus nqi lag luam loj hlob.

• Tus nqi lag luam tau nce ntawm $ 120 lab mus rau $ 450 lab hauv ob xyoos.
• Cov cai thoob ntiaj teb ua kom muaj kev nyab xeeb thiab muaj lub luag haujlwm.

Cov Lus Nug Feem Ntau

Dab tsi ua rau DDI (Dimeryl Diisocyanate) tshwj xeeb rau cov polyurethanes uas tsis muaj dej?

Koj tau txais 36-carbon backbone. Qhov no ua rau koj cov polyurethane muaj zog tiv taus dej, yooj ywm, thiab tsis muaj tshuaj lom.

Koj puas siv tau TSIS MUAJ nyob rau hauv ntau yam lag luam?

• Koj siv tau DDI rau hauv cov ntaub, cov tshuaj pleev xim, cov nplaum, cov tshuaj sealant, thiab cov kua mem.
• DDI ua haujlwm rau ob qho tib si tub rog thiab pej xeem cov khoom.