Chitoliro cha Zitsulo Chopangidwa ndi Polyurethane
Chitoliro chachitsulo chopangidwa ndi polyurethane ndi chinthu cholimba kwambiri chomwe chimagwiritsidwa ntchito kwambiri m'mapaipi opangira mchere ndi mapaipi otumizira zinthu zakale. Malo opangira magetsi a mafuta ndi zinthu zakale amagwiritsa ntchito mapaipiwa pochotsa malasha ndi phulusa, komanso mafakitale amafuta, mankhwala, simenti ndi tirigu.
Mawonekedwe
1. Yosagwira ntchito
2. Pewani Kukulitsa
3. Kukana dzimbiri
4. Kukana kukalamba kwa hydrolysis
5. Kutanuka Kwambiri
6. Kukana Kugwedezeka ndi Makina
7. Kudzipaka mafuta okha
Arex imasankha gulu lapamwamba kwambiri lokhala ndi njira yosinthidwa pang'ono kuti lilimbikitse ntchito ya zinthu za polyurethane. Imapangitsa zinthu zopangidwa ndi polyurethane kukhala ndi kapangidwe ka mankhwala kokhazikika komanso kusonyeza kusinthasintha kwake pakugwira ntchito.
Chitoliro chachitsulo chopangidwa ndi polyurethane, chomwe ndi chimodzi mwa zinthu zovomerezeka zapakhomo zomwe zimagwiritsidwa ntchito popanga migodi ku Arex, ndi chodziwika bwino ndipo chimagwiritsidwa ntchito ndi makasitomala athu opanga migodi.
Kuyerekeza kwa makhalidwe pakati pa polyurethane wamba ndi polyurethane yosinthidwa pang'ono
| Chinthu choyesera | Chizindikiro chodziwika bwino cha mayeso a polyurethane | polyurethane (yosinthidwa ndi nano) |
| Kulimba kwamakokedwe | 15-21MPa | 19-28MPa |
| 300% kukhazikitsa mphamvu yotambasula | 8-10MPa | 11-13MPa |
| Kutalikirana kwa matinji | 400-500% | 400-500% |
| Kuswa kusintha kosatha | 5-8 | 5-8 |
| Mphamvu ya misozi | 5MPa/cm | 6.8MPa/cm |
| Mphamvu yometa | 6MPa/cm² | 8.1MPa/cm² |
| Mphamvu ya kuphulika | 7.5MPa/cm² | 11MPa/cm² |
| Mphamvu yochotsa peel | 1.4MPa/2.5 cm² | 2.1MPa/2.5 cm² |
| Kukwapula kwa Akron | 0.045cm³/1.61km | 0.008cm³/1.61km |
| Kufooka kwa kutentha kochepa | -42 | -70 |
| Kulimba (shaw A) | 60-100 | 60-100 |
| Kuchulukana | 1.12 | 1.12 |
