Monga ogulitsa otsogola a polyurethane catalysts, tikusangalala kufotokoza kufunika kwa ma catalysts amenewa popanga thovu la polyurethane, chinthu chogwiritsidwa ntchito m'mafakitale osiyanasiyana. Zogulitsa zathu, kuphatikizapo MXC-A33, MXC-T ndi ma catalysts ena apadera, ndi gawo lofunika kwambiri pakupanga thovu la polyurethane, kuonetsetsa kuti zinthu zikuyenda bwino komanso zotsatira zake zikuyenda bwino.
Momwe Thovu la Polyurethane Limapangidwira
Thovu la polyurethane limapangidwa kudzera mu njira ya mankhwala pakati pa diisocyanates ndi polyols, zomwe zonsezi zimachokera ku mafuta osakonzedwa, ngakhale kuti polyols zimatha kupangidwanso kuchokera ku mafuta achilengedwe obwezerezedwanso. Izi zimapangitsa kuti pakhale unyolo wa polima womwe umapanga kapangidwe ka thovu. Kupanga thovu la polyurethane kumaphatikizapo zigawo zazikulu zisanu ndi chimodzi:
- Ma polyol: Chomangira chachikulu cha thovu, chomwe chimagwira ntchito ndi ma diisocyanates.
- Ma Diisocyanati: Ma reactant ofunikira omwe amasakanikirana ndi ma polyol kuti apange thovu.
- Zopangira thovuIzi zimathandiza kupanga kapangidwe ka maselo a thovu.
- Zopangira madzi: Limbitsani thovu panthawi yokulitsa.
- Zothandizira: Fulumizani kuchitapo kanthu pakati pa ma polyol ndi ma diisocyanates, kuonetsetsa kuti thovu limapanga bwino kwambiri.
- Zowumitsa: Zolumikizira chingwe ndi zowonjezera unyolo zimagwiritsidwa ntchito kulimbitsa kulimba kwa thovu ndi magwiridwe antchito.
Zosakaniza izi zikaphatikizidwa, zimagwira ntchito mwa mankhwala, zomwe zimapangitsa kutentha, mpweya, ndi kapangidwe ka thovu. Zothandizira monga MXC-A33 yathu ndi MXC-T zimathandiza kuti izi zichitike, ndikuonetsetsa kuti njira yowongoleredwa komanso yogwira mtima ikuchitika.
Kugwiritsa Ntchito Chothandizira mu Polyurethane Foam
Thovu la polyurethane limapezeka m'mitundu iwiri yayikulu: lolimba komanso losinthasintha. Ntchito zake zimayambira pa kutenthetsa zinthu pomanga (thovu lolimba) mpaka kukongoletsa mipando ndi mkati mwa magalimoto (thovu losinthasintha). Zothandizira zathu zimapangidwa kuti zigwirizane ndi zosowa zosiyanasiyana:
-MXC-A33:Chothandizira chopangidwa ndi 33% TEDA (triphenylenediamine) ndi 67% DPG (monoconjugated dipropylene glycol), chomwe chimapangidwira makamaka thovu la polyurethane ndi polyurethane elastomers. Chimagwiritsidwa ntchito kwambiri mu thovu la polyurethane, lofewa, lolimba, komanso lolimba, komanso elastomer.
-MXC-T:Ndi chothandizira cha amine chogwira ntchito bwino, chopanda kutulutsa mpweya chomwe chimapereka njira yosalala yochitira zinthu ndipo motero chingagwiritsidwe ntchito popanga mitundu yosiyanasiyana ya thovu la polyurethane. Mphamvu yake yothandiza imalimbikitsa njira ya urea (water-isocyanate), yomwe imakonda kuchita zinthu ndi polymer matrix chifukwa cha gulu lake la hydroxyl. Pachifukwa ichi, TMAEA imagwiritsidwa ntchito kupopera thovu loteteza, ma dashboard a magalimoto, ndi madera ena omwe amafunikira fungo lochepa..
Zothandizira za polyurethane zimatsimikizira kuchuluka koyenera kwa zochita, kukonza bwino zinthu za thovu monga kuchulukana, kuuma, ndi kukhazikika kwa kapangidwe kake. Kulondola kumeneku kumathandiza thovu la polyurethane kukwaniritsa zofunikira kwambiri zamafakitale amakono, kuphatikizapo zomangamanga, magalimoto, mipando, ndi ma phukusi.
Zambiri zaife
Ndife ogulitsa otsogola a polyurethane catalysts ogwira ntchito bwino, odzipereka kupereka mayankho atsopano pa ntchito zosiyanasiyana zamafakitale. Mzere wathu waukulu wazinthu umathandiza opanga kukonza njira zopangira thovu pamene akukwaniritsa miyezo ya chilengedwe ndi malamulo.
Nthawi yotumizira: Okutobala-23-2024