Yakakwirira mhando Dimeryl Diisocyanate DDI CAS NO. 68239-06-5
AIHWAyakasarudzika 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 chinopaAIHWAkukwirira kuchinjika, kusamira kwemvura uye kuderera kwehuturu kune mamwe aliphatic isocyanates.AIHWAimvura yakaderera ye viscosity iyo inonyungudika nyore nyore mune yakawanda polar kana isiri-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.
1. Mucheka: DDI yedu nemvura nyore nyore kuti ive emulsion yemvura, iyo yakaita kuti jira rive rakatsetseka, gentle, uye mvura-uchapupu.
2. PU resin uye Polyurea resin, uchishandisa DDI inogona kuva ne preformance ye-isina-yellowing, yakanakisa kusimba, uye extensile, yakakwirira yakasimba, yakaderera mvura inonzwisisika, uye zviri nani anti-abrasivenesss, anti-chemical solvent, uye anti-low tembiricha.
3. React withHTPBkuti ive yakanakisa kuenderana uye reactivity, iyo inogadzirwa PU inogona kuve yakasarudzika yakaderera yakaoma, hapana chinodiwa epurasitiki mumiriri.
4. Kupfekedza. DDI polyurea coating ine yakanakisa tensile simba uye humbowo hwemamiriro ekunze, ayo anonamatira zviri nyore kusimbi nehuni pasina kuputsika.
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 |
* Mukuwedzera: Kambani inogona kutsvagisa nekugadzira zvigadzirwa zvitsva zvinoenderana nezvinodiwa nevatengi vedu. |
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 |