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Chii chinonzi Dimeryl Diisocyanate (DDI)
Dimeryl Diisocyanate (DDI) yakasarudzika aliphatic diisocyanate inogona kushandiswa kugadzira mapolymer ane makomisheni ane inoshanda hydrogen. Ikomboni yakareba-chain ine 36-carbon dimer fatty acid musana. Iyo huru cheni chimiro chinopa DDI yepamusoro kuchinjika, kuramba mvura uye kuderera muchetura kune mamwe aliphatic isocyanates. DDI imvura yakaderera ye viscosity inonyungudika zviri nyore mumazhinji e polar kana asiri e polar solvents. Nekuti iri aliphatic isocyanate, ine hunhu hwekusaita yero. Iine mabhenefiti akawanda ehupfu hwakaderera, nyore kushandisa, inonyungudika mune zvakawanda zvinonyungudutsa, inodzoreka kuita nguva uye kuderera kwemvura kunzwa. Iyo yakajairwa yakasvibira biorenewable yakakosha isocyanate siyana, inogona kushandiswa zvakanyanya mukupedzisa machira, elastomers, adhesive uye sealants, machira, ingi uye mamwe mauto nevagari minda.
AIHWAinozivikanwa nekusarudzika reactivity uye kuita zvakasiyana-siyana, zvichiita kuti ive sarudzo yakanaka yekugadzira zvemhando yepamusoro polyurethane zvigadzirwa. Chimiro chayo chemorekuru chine mapoka maviri e-isocyanate, ayo anoigonesa kuita nema polyols uye mamwe makomisheni kugadzira polyurethane polymers. Reactivity iyi inobvumira kugadziridzwa kwezvinhu zve polyurethane zvine chaiwo zvimiro, senge kuchinjika, kusimba, uye kupisa kwekupisa.
Imwe yemabhenefiti akakosha eAIHWAiko kugona kwayo kuwedzera kushanda uye kusimba kwezvigadzirwa zve polyurethane. Nekubatanidza DDI mune polyurethane maumbirwo, vagadziri vanogona kuvandudza simba, abrasion kuramba, uye makemikari kuramba kwezvinenge zvabuda. Izvi zvinoita kuti DDI ive chinhu chakakosha mukugadzirwa kwemajasi nemanamira ayo anoshandiswa mukuda maapplication, senge mota, kuvaka, uye maindasitiri ekupfeka.
Pamusoro pekushandiswa kwayo mumachira nemanamira,AIHWAInoshandiswawo zvakanyanya mukugadzira polyurethane elastomers uye furo. Izvi zvinhu zvinokosheswa nekusimba kwazvo, kupikisa kwemaitiro, uye cushioning zvivakwa, zvichiita kuti zvikodzere kunyorera mumaindasitiri akadai seshangu, fenicha, nemidziyo yemitambo. Nekushandisa iyo yakasarudzika zvivakwa zveDDI, vagadziri vanogona kugadzira polyurethane elastomers uye furo rinosangana nekuomesera kwekuita zvinodiwa pamisika iyi yakasiyana.
Uyezve,AIHWAinopa kugarisana kwakanaka neyakasiyana siyana yepolols uye zvinowedzera, zvichibvumira vanogadzira kuti vagadzirise zvimiro zve polyurethane zvinhu kuti zvisangane nezvinodiwa zvekushandisa. Uku kuchinjika kunogonesa kuvandudzwa kwezvigadziriso zvakagadziridzwa zvemaindasitiri akasiyana, anosanganisira kuvaka, zvekufambisa, uye zvinhu zvevatengi. Kungave kuvandudza kusimba kwemachira ekudzivirira kana kusimudzira kunyaradza kwe cushioning zvinhu, DDI inoita basa rakakosha mukugonesa hunyanzvi uye kuita muzvigadzirwa zve polyurethane-based.
Semutengesi anotungamira weAIHWA, takazvipira kupa zvigadzirwa zvepamusoro uye zvakavimbika kune vatengi vedu. Unyanzvi hwedu hwehunyanzvi uye ruzivo rweindasitiri runotigonesa kutsigira vagadziri mukugadzirisa magadzirirwo avo uye kuwana zvavanoda kuita chigadzirwa. Nehuwandu hwedu hwakakwana hwemagiredhi eDDI nerutsigiro rwehunyanzvi, tinoyedza kuve shamwari yakavimbika yemabhizinesi ari kutsvaga kusimudzira mashandiro uye kusimba kwezvigadzirwa zvavo zvepolyurethane. Zvichakadaro nekugona kwakasimba kweR&D, izvo zvinoita kuti tikwanise kutsvagisa nekugadzira DDI nyowani zvinoenderana nezvinodiwa nevatengi vedu.
TheAIHWAive yako chaiyo Physical Property enzanisa neIPDI, MDI, TDI.
| Tsanangudzo | Relative molecular weight | NCO zvirimo,% | Hydrolysable chlorine,% | Steam pressure, mmHg | Kunyungudika, ℃ | Muchetura |
| AIHWA | 600 | 13.6 ~ 15.2 | ＜0.05 | ＜0.001 (25℃) | -34.4 | low toxicity |
| IPDI | 222.2 | 37.8 | 0.02 | 0.003(20℃） | -60 | pakati toxicity |
| TDI | 174 | 48.3 | 0.01 | 0.042(20℃） | 5 ~ 6.5 | yakanyanya toxicity |
| MDI | 250.26 | 33.6 | 0.05 | - | 38 | pakati toxicity |
Tsanangudzo yedu yeAIHWAsezvinotevera:
| ITEM | INDEX |
| Chitarisiko | Mvura isina ruvara uye yakajeka ine mafuta |
| Isocyanate content,% | 13.60 ~ 15.00 |
| Hydrolytic chloride,% | ≤0.05 |
| PH kukosha | 6.0 ~ 7.0 |
| Density, g/ml | 0.920 ~ 0.930 |
| Unyoro,% | ≤0.02 |
| Viscosity, mPa.s, 20 ℃ | ≤170 |
| * Pamusoro pezvo: Iyo kambani inogona kutsvagisa nekugadzira iyo DDI nyowani zvichienderana nezvinodiwa nevatengi vedu. | |
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