Tsarkakakken 99% min 1,4-Phenylene diisocyanate CAS 104-49-4 p-phenylene diisocyanate (PPDI)
Sunan Sinadarai: 1,4-Phenylene diisocyanate
Ma'anar kalmomi: p-phenylene diisocyanate (PPDI)
Tsarin kwayoyin halitta: C8H4N2O2
Nauyin kwayoyin halitta: 160.13
Lambar CAS: 104-49-4
Halayen sinadarai na jiki: PPDI fari ne mai laushi. Wurin narkewa: 94 °C. Wurin tafasa: 110~112 °C (3.3kPa) Yawan yawa: 1.17g/cm3
PPDI tsantsa ne 1,4-Phenylene diisocyanate (PPDI), lambar CAS ita ce 104-49-4. PPDI wani ingantaccen wakili ne na warkarwa/mai faɗaɗa sarka don elastomers na thermoplastic polyurethane (PU). Ana nuna elastomers na simintin PPDI tare da kyakkyawan aiki mai ƙarfi. Babban fa'idar ita ce ƙafafun sauri masu sauri da aka samar tare da PPDI suna wakiltar zafin jiki mafi girma a ƙarƙashin aiki/motsi mai sauri da ci gaba. Don haka, ƙafafun da ke tushen PPDI mafita ce mai kyau ga waɗanda ke buƙatar tsawon rai, babban ƙarfin lodi da buƙatun juriyar zafi mai yawa. Gabaɗaya, elastomers na PU suna da kyakkyawan juriya na gogewa, tsagewa da yankewa idan aka kwatanta da robar roba. Duk da PPDI da MDI suna da irin wannan tsari, tauri da halayen modulus idan aka kwatanta da TODI, isocyanate yana da ƙarancin rabo na polyol zuwa polyol a cikin PPDI. Ainihin, elastomers na nau'in PPDI sun fi sassauƙa fiye da elastomers na polyurethane na gargajiya na MDI da TODI. Daga cikin dukkan nau'ikan polyurethane elastomers, waɗanda aka fi sani da PPDI sun shahara da tayoyin da ke da matuƙar damuwa, wato tayoyi don ɗaukar kaya, motoci da jiragen sama; na'urorin juyawa na jagora, ƙafafun injina; na'urorin juyawa na kankara masu sauri da sauransu. A takaice, nau'in PPDI-type elastomer shine zaɓi mafi kyau don amfani da mafi ƙarancin gogewa da zafin jiki mafi girma. A zamanin yau, ana amfani da wakilin warkarwa na PPDI sosai a cikin samfuran TPU a matsayin babban mai faɗaɗa sarkar, kuma aikace-aikacen yana ci gaba da faɗaɗa, gami da zoben O, hatimin hydraulic, taurari masu haɗawa da ruwan wukake na buga allo.
Fa'idodin da ke tattare da fa'idodin zafi, gogewa, tsagewa da juriyar yankewa, ana amfani da elastomers na tushen PPDI sosai a masana'antu waɗanda ke buƙatar ayyuka masu ɗorewa da ƙarancin lalacewa. PPDI shine babban abin da ke taka rawa a cikin TPU (thermoplastic polyurethane elastomer). Hatimin hydraulic, gogewa, hatimin piston, zoben O, hatimin sanda, pulleys waɗanda suka nemi juriyar zafi da juriyar matsin lamba wasu muhimman fannoni ne na maganin warkar da PPDI. Ba a ambaci tayoyi don forklifts, motoci, injuna, jiragen sama da pulleys, ƙafafun, na'urorin juyawa don abubuwan da ke dannewa waɗanda sune ɗayan nau'in elastomers na nau'in PPDI ba.
Marufi: 20kg, 40kg, 50kg/ganga na ƙarfe.
Ajiya da jigilar kaya: PPDI yana da matuƙar saurin kamuwa da danshi. Ruwa yana amsawa da duk diisocyanates don samar da abubuwan da suka samo asali daga urea marasa narkewa. Kar a saka PPDI tare da abinci kuma a guji fallasa shi a cikin yanayi sama da 30℃. Bayan amfani, dole ne a rufe murfin nan da nan idan akwai matsala. A ƙarƙashin yanayi mai dacewa na waje, PPDI yana aiki na tsawon watanni shida aƙalla daga ranar da aka kawo shi.
| Sinadarin sinadarai | 1,4-Phenylene diisocyanate (PPDI), P-Phenylene Didisocyanate, Paraphenylene diisocyanate, Benzene 1,4-diisocyanate |
| Lambar CAS | 104-49-4 |
| NCO% | 52.5% |
| Ƙanshi Halayya | warin cyanide |
| Tsarkaka | ≥ 99.0% |
| Yawan yawa | 1.17g//cm3 a 20°C |
| Wurin tafasa | 236.2°C a 760 mmHg |
| Wurin daskarewa | 96-99°C |
| Wurin walƙiya | 92.4°C |
| Matsi na tururi | 0.048mmHg a 25°C |
| Jimlar chlorine | ≤ 0.1% |
| Chlorine mai iya narkewa | ≤ 0.03% |
| Wurin narkewa | 94°C |
| Samfuri | 1,4-Phenylene diisocyanate (PPDI) | |||||
| Lambar Rukuni | 2300405 | shiryawa | 20kg/ganga | Adadi | 500kgs | |
| Ranar ƙera | 2023-04-05 | Ranar Karewa | 2024-04-04 | |||
| Abu | Ƙayyadewa | Sakamako | ||||
| Bayyanar | Rawaya mai haske zuwa fari mai laushi mai laushi | farin mai laushi mai laushi | ||||
| Chlorine mai narkewa a cikin ruwa,% | ≤0.02 | 0.0183 | ||||
| Matsayin narkewa, ℃ | 94 - 96 | 95 | ||||
| -Abubuwan da ke cikin NCO, % | 52.0 - 53.0 | 52.21 | ||||
| Tsarkaka,% | ≥99.0 | 99.35 | ||||
| Kammalawa | Wanda ya cancanta | |||||
| 1. | |
| 2. | |
| 3. | |
| 4. | |
| 5. | |
| 6. | TDI 80/20 |
| 7. | TDI-Bases Polyisoyanurate(RC) |
| 8. | NDI(1,5-Naphthalene Diisocyanate) CAS 3173-72-6 |
| 9. | RF(JQ-4) |
| 10. | RN |
| 11. | DETDA CAS 68479-98-1 |
| 12. | DMTDA CAS 106264-79-3 |
| 13. | MMEA CAS 19900-72-2 |
| 14. | TODI CAS 91-97-4 |
| 15. | TEOF CAS 122-51-0 |
| 16. | MOCA CAS 101-14-4 |
| 17. | PTSI CAS 4083-64-1 |
| 18. | da sauransu... |
