Shandisa DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5 kuti uwane ma polyurethane asingapindi mvura.
Kazhinji unoona kusanzwa kwemvura kuchikonzera matambudziko mu polyurethane coatings. Zvigadzirwa zvakawanda zvinoratidza makona ekubatana kwemvura akaderera, akadai sesimbi isingatsvedzeri pa76.3°, control polyurethane pa95.2°, uye mamwe maantibacterial polyurethane coatings ari pasi pe83°. DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5 inobvisa matambudziko aya. Maumbirwo ayo akasiyana anokutendera kuti ugadzire zvigadzirwa zvepolyurethane zvisingapindi mvura uye zvinogara kwenguva refu.
Zvinhu Zvinokosha Zvaunofanira Kuziva
- DDI (Dimeryl Diisocyanate) inogadzira ma polyurethane asingapindi mvura anodzivirira hunyoro, zvichiita kuti igare kwenguva refu uye igare kwenguva refu mukushandiswa kwakasiyana-siyana.
- Kushandisa AIHWA inovandudza mashandiro ezvigadzirwa zvepolyurethane nekuderedza matambudziko akadai sekubuda matumbu uye kutadza kudzivirira mvura, zvichiita kuti pave nemigumisiro yakavimbika.
- Kubatanidza AIHWA Kushandisa mafomura ako kuri nyore: sarudza polyol yakakodzera, sanganisa mumamiriro ezvinhu akarongwa, uye edza kana mvura isingapindike kuti uwane kushanda kwakanaka.
Kunzwa Kwemvura muPolyurethanes
Tsanangudzo uye Mhedzisiro
Kunzwa kwemvura kunokanganisa mashandiro uye kugara kwenguva refu kwezvigadzirwa zve polyurethane. Kana ukashandisa polyurethane muzvipfeko kana zvisimbiso, hunyoro hunogona kukonzera matambudziko akawanda. Unogona kuona matumbu, kutadza kudzivirira mvura, kana kutoora kwezvinhu. Mould inogona kukura kana mvura ikadonhera muzvinhu zvacho. Tafura iri pazasi inoratidza mhedzisiro huru yekunzwa kwemvura pazvigadzirwa zve polyurethane:
| Rudzi rweMhando | Tsananguro |
|---|---|
| Kunzwa kwehunyoro | Zvigadzirwa zvepolyurethane zvinonzwa hunyoro zvakanyanya, zvichikanganisa mashandiro azvo uye hupenyu hwazvo. |
| Kuputika | Rutivi rwePU runogona kuita maronda kana rukasanamatira zvakanaka pasi pevhu. |
| Kukundikana Kwekudzivirira Mvura | Kusashandisa zvakanaka kunogona kukonzera kutadza kushanda zvakanaka kwemuchina wekudzivirira mvura, zvichikonzera kubuda kwemvura. |
| Kuora Kwezvinhu | Kubuda kwemvura kunogona kukonzera kukura kwefungus uye kuora kwezvinhu. |
Unofanira kugadzirisa matambudziko aya kuti zvigadzirwa zvako zvepolyurethane zvigare kwenguva refu uye zvakavimbika.
Matambudziko muMasisitimu Echinyakare EIsocyanate
Masisitimu echinyakare eisocyanate anosangana nematambudziko akati wandei kana akaiswa muhunyoro. Unowanzo sangana nemaitiro asingadiwe anoderedza kunaka kwepolyurethane yako. Heano mamwe matambudziko anowanzoitika:
- MaIsocyanates anokurumidza kuita hunyoro, izvo zvinogona kukonzera furo uye kumanikidzwa kuungana.
- Maitiro acho anogadzira ureas necarbon dioxide, zvichideredza isocyanate iripo.
- Matambudziko aya anoita kuti zviome kudzora hunhu hwekupedzisira hwechigadzirwa chako.
Unogona kukunda matambudziko aya nekusarudza mhinduro dzepamusoro dzakadai se DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5. Sarudzo iyi inokubatsira kugadzira ma polyurethane asingapindi mvura anodzivirira hunyoro uye anogara kwenguva refu.
DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5: Mhinduro yePolyurethanes Dzisingapindi Mvura
Hunhu Hwakasarudzika hweMakemikoro e AIHWA
Unoda kuti zvigadzirwa zvako zvepolyurethane zvigare kwenguva refu uye zvirambe zvakasimba, kunyangwe mumamiriro emvura. DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5 inoonekwa zvakanyanya nekuda kwemaumbirwo ayo emakemikari akakosha. Musanganiswa uyu une musana murefu we36-carbon, izvo zvinoita kuti ugone kuchinjika uye kusimba. Kusimba kwakaderera kunoita kuti zvive nyore kwauri kusanganisa nekubata. DDI inoratidzawo chepfu shoma, saka unogona kuishandisa zvakachengeteka mumabasa akawanda.
Ngatienzanisei DDI nedzimwe isocyanates dzinoshandiswa mukugadzira polyurethane. Tafura iri pazasi inoratidza kuti DDI inorema sei, huwandu hweNCO, uye chepfu zvakasiyana sei nedzimwe sarudzo:
| Tsanangudzo | Kurema kwemasero emuviri | Zviri muNCO, % | Klorini inonyungudika nemvura, % | Kumanikidzwa kwemhepo, mmHg | Nzvimbo yekunyunguduka, ℃ | Huturu |
|---|---|---|---|---|---|---|
| AIHWA | 600 | 13.6 ~ 15.2 | 0.05 | ＜0.001 (25℃) | -34.4 | chepfu yakaderera |
| IPDI | 222.2 | 37.8 | 0.02 | 0.003 (20℃) | -60 | chepfu yepakati |
| TDI | 174 | 48.3 | 0.01 | 0.042 (20℃) | 5 ~ 6.5 | chepfu yakanyanya |
| MDI | 250.26 | 33.6 | 0.05 | - | 38 | chepfu yepakati |
Unogona kuona kuti DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5 ine huremu hwakawanda uye ine chepfu shoma kupfuura mamwe ma isocyanate. Izvi zvinoreva kuti unowana chigadzirwa chakachengeteka uye chakagadzikana.
Maitiro Ekuita Zvichienzaniswa Nemamwe MaIsocyanates
Kana ukashandisa DDI, unowana nzira yakasiyana yekuita kana uchienzaniswa ne isocyanates dzechinyakare. DDI inoita mubatanidzwa nema polyols kuti igadzire urethane bonds dzakasimba. Cheni refu yekabhoni muDDI inobatsira kugadzira network inochinjika. Network iyi inodzivirira kutyoka kana yasangana nemvura kana kushushikana.
Mamwe ma isocyanates, akadai seTDI kana MDI, anokurumidza kuita kana asangana nemvura. Izvi zvinogona kukonzera furo uye kusasimba kwe polyurethane yako. Maumbirwo eDDI anononotsa kuita kana asangana nemvura. Unowana simba riri nani pakugadzika kwemvura. Chigadzirwa chako chekupedzisira chinoramba chakapfava uye chakasimba, kunyangwe paine hunyoro panguva yekuisa.
Zano: Kushandisa DDI kunokubatsira kudzivirira matambudziko anowanzoitika akadai semabhuru kana kuputika kwepurasitiki yako.
Mhedzisiro Yekushanda Pasi Pemvura
Unoda kuti zvigadzirwa zvako zvepolyurethane zvishande zvakanaka, kunyangwe munzvimbo dzakanyorova kana dzine hunyoro. Mapolyurethane akavakirwa paDDI anoratidza mhedzisiro yakanaka kana akaiswa mumvura kwenguva yakareba. Anoramba hydrolysis, zvinoreva kuti mvura haiputse zvinhu zviri nyore. Izvi zvinoita kuti zvigadzirwa zvako zvishande kwenguva yakareba.
Heino pfupiso yekushanda kunoita ma polyurethane akavakirwa paDDI kana akasvibirwa nemvura:
| Hunhu | Tsananguro |
|---|---|
| Kugadzikana kwehydrolytic | Polyurethanes dzakagadzirwa neDDI dzinodzivirira mvura nehunyoro |
| Kuwedzerwa kwenguva yebasa | Dzinowedzera hupenyu hwebasa munzvimbo dzakanyorova kana dzakafumurwa |
Unogona kuvimba neDDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5 kuti zvigadzirwa zvako zvepolyurethane zvisapinde mvura uye zvakavimbika. Izvi zvinoita kuti ive sarudzo yakanaka yekupenda, kuvharira, uye zvimwe zvinoshandiswa apo hunyoro huri dambudziko.
Mabhenefiti uye Kuitwa kwe DDI (Dimeryl Diisocyanate) Nhamba yeCAS 68239-06-5
Kugara Kwakasimba uye Kugara Kwenguva Refu
Unoda zvigadzirwa zve polyurethane zvinogara kwenguva refu. Kana ukashandisa DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5, unowana machira ekudzivirira mvura uye anoramba akasimba. Mapolyurethane ane DDI anoratidza kudzikira kushoma kwe viscosity uye acid value yakaderera mushure mekuiswa muhunyoro hwakawanda nekupisa. Izvi zvinoreva kuti zvigadzirwa zvako zvinoramba zvakaita uye zvinoshanda kwenguva yakareba. Unoonawo yero shoma, saka machira ako anotaridzika matsva kunyangwe mushure mekuiswa muUV.
Kushandiswa Kwakasiyana-siyana Mumaindasitiri Ese
Unogona kushandisa DDI mumaindasitiri akawanda. Inoshanda zvakanaka mukupedzisa machira, zvinonamira, zvinonamira, zvinonamira, zvinoputira, uye inki. DDI inowanikwa mukushandiswa kwemauto nekwehurumende. Inokubatsira kugadzira machira asingapindi mvura, zvinoputira zvakasimba zvehuni nesimbi, uye zvinochinjika zvinochinjika. Unowana mhedzisiro yakavimbika kungave uchishanda mukuvaka, mumachira, kana mumotokari.
Mutengo uye Mabhenefiti Ekushanda
Unoona kuti DDI haikuvadzi nharaunda uye yava kufarirwa zvakanyanya. Mitengo yeDDI yakaderera, asi ma diisocyanates akagadzirwa ne bio-based seDDI anogona kuramba achidhura kupfuura mamwe masarudzo ekare. Unobhadhara mari yakawanda pakutanga, asi unowana mabhenefiti ekushanda. Polyurethanes dzine DDI dzinoramba kuora uye kutsvuka, saka unopedza mari shoma pakugadzirisa nekutsiva.
- DDI inopa hudziviriro huri nani pamvura.
- Unowana kugara kwenguva refu uye kugadzikana kwemavara zviri nani.
- Unotsigira makemikari egirini muzvigadzirwa zvako.
Matanho Ekubatanidza AIHWA muPolyurethane Formulations
Unogona kuwedzera DDI kune yako polyurethane formulations nematanho mashoma ari nyore:
- Sarudza polyol yakakodzera yekushandisa kwako.
- Sanganisa DDI nepolyol yako mumamiriro ezvinhu akarongwa.
- Gadzirisa chiyero kuti uwane kuchinjika uye simba rinodiwa.
- Gadzirisa musanganiswa patembiricha inokurudzirwa.
- Edza chigadzirwa chekupedzisira kuti chionekwe kana chisingapindi mvura uye kuti chigare kwenguva refu.
Zano: Gara uchitevedzera mitemo yekuchengetedza paunenge uchibata ma isocyanates.
Unogona kuvimba DDI (Dimeryl Diisocyanate) CAS NO. 68239-06-5 yezvigadzirwa zvepolyurethane zvisingapindi mvura uye zvinogara kwenguva refu. Maindasitiri mazhinji ikozvino anosarudza mhinduro iyi nekuda kwekuchengetedzeka kwayo, kugadzirwa kwayo kwakasimba, uye kukosha kwayo kuri kukura pamusika.
- Kukosha kwemusika kwakakwira kubva pamadhora mamiriyoni zana nemakumi maviri kusvika pamadhora mamiriyoni mazana mana nemakumi mashanu mumakore maviri.
- Mitemo yepasi rose inoita kuti kushandiswa kwayo kuve kwakachengeteka uye kune mutoro.
| Zvakanakira | Tsananguro |
|---|---|
| Kuderedzwa Kwekushanduka-shanduka | Utsi hushoma, nzvimbo yebasa yakachengeteka |
| Kugadzirwa Kwakagadzikana | Mhedzisiro yakavimbika kune vagadziri |
Mibvunzo Inowanzo bvunzwa
Chii chinoita kuti DDI (Dimeryl Diisocyanate) yakakosha kune polyurethanes dzisingapindi mvura?
Unowana musana we36-carbon. Izvi zvinoita kuti polyurethane yako isapindi mvura zvakanyanya, isachinjike, uye isaite chepfu zvakanyanya.
Unogona kushandisa here AIHWA mumaindasitiri akasiyana-siyana?
- Unogona kushandisa DDI mumachira, machira ekuputira, manamati, zvinonamira, uye inki.
- DDI inoshanda kune zvese zvigadzirwa zvemauto nezvehurumende.