PP PP, yomwe imadziwikanso kuti polypropylene imachokera ku polyproplene kuti muchepetse njira monga kulephera ndi jakisoni. Chifukwa cha kuchuluka kwawo ndi mankhwala ndi mankhwala osintha, ma pp agwiritsidwa ntchito kwambiri pomanga, zida zapakhomo, zapakhomo, zida za mafakitale, ndi minda ina. Nkhaniyi ifotokoza za zoyambira za PP MPHA, madera awo ogwiritsa ntchito, komanso zochitika zamtsogolo.
I. Makhalidwe oyambira a PP
Ma pp PP ali ndi zinthu zambiri zabwino kwambiri, zimapangitsa kuti iwo akhale zinthu zofunika kwambiri m'makampani amakono komanso moyo watsiku ndi tsiku. Choyamba, ma pp PP amapereka kukana kwamphamvu kwamphamvu, kukana chilengedwe ambiri, alkali, ndi mchere, kuwapangitsa kukhala oyenera kuwononga mafakitale a mankhwala ndi chilengedwe. Mbiri yachiwiri, ma pp pp ali ndi kachulukidwe kakang'ono (pafupifupi 0.9-0.91 g / cm³), ndikuwapangitsa kukhala amodzi mwa mapulaneti owala. Izi zimawapatsa zabwino zogwiritsa ntchito zofuna kuchepetsa thupi, monga zinthu zopepuka zopepuka.
PP PP ali ndi vuto labwino kwambiri, ndi kutentha kwaulere kwa 5 {{{}} 120 Ma pp PP alinso ndi katundu wamagetsi ambiri ndipo amagwiritsidwa ntchito kwambiri m'magetsi ndi zamagetsi. Kuphatikiza apo, ma pp PP amapereka mwayi wopambana ndipo amatha kupangidwa mu mawonekedwe osiyanasiyana m'njira zosiyanasiyana, monga kulephera, jakisoni wokumba, ndi mafayilo osiyanasiyana.
Ii. Ntchito yayikulu ya ma pp pp
Chifukwa cha ntchito yawo yabwino kwambiri, ma pp ma pp amatenga gawo lofunikira m'mafakitale osiyanasiyana. Mu gawo lomanga, ma pp amagwiritsidwa ntchito popanga mapaipi amadzimadzi, mpweya wabwino, ndi mafelemu okongoletsa. Kukana kwawo kuvunda komanso kapangidwe kopepuka kumawapangitsa kuti azichita zinthu zabwino pazida zachikhalidwe. Mu makampani ogulitsa mafakitale, ma pp pres amagwiritsidwa ntchito kwambiri mkati mwa trim, bumpers, ndi mabatani a zida, kuchepetsa kulemera kwamagalimoto ndikuwongolera mafuta.
Mu makampani ogulitsa nyumba, ma pp ma pp amagwiritsidwa ntchito popanga zigawo za miyala yamkati ndi zojambula za kunja kwa makina ochapira, firiji, ndi zowongolera mpweya. Kutsutsana kwawo kwakukulu komanso kukhulupirika kumawapangitsa kuti akhale ndi zinthu zazikulu popanga zida zapanyumba. Kuphatikiza apo, m'magulu a zida zamagetsi, ma pp a PP angagwiritsidwe ntchito kupanga akasinja osungirako mankhwala, mpweya wabwino, ndi njanji zoteteza. Kukana kwawo kuvunda ndi kulimba kumatsimikizira kutalika kwa nthawi yayitali {3} kwa nthawi yayitali, kugwirira ntchito.
Iii. Zochita za chitukuko cha ma pp
Ndikuwonjezera kuzindikiritsa kwa chilengedwe komanso kupita patsogolo kwa sayansi ya zinthu, zomwe zikuchitika mtsogolo za PP. Choyamba, kafukufukuyu ndi chitukuko cha kukwera kwapamwamba - maluso osinthidwa a PP akhala mutu wotentha. Powonjezera ma fiber, michere, kapena kuphatikiza ndi ma poizoni ena, mphamvu, kukana kutentha kwa ma pp.
Chachiwiri, kukwezedwa kwa matekinoloje obiriwira komanso chilengedwe kumatha kuyambitsa chitukuko chokhazikika cha malonda a PP. Kukula kwa bio {{1} Kutengera ma polypropylene PP kuthandizira kuchepetsa kudalira kwa zothandizira ma petroleum ndikuyika mpweya. Kuphatikiza apo, kupita patsogolo m'matumbo osindikiza 3D achulukitsa kuthekera kwa ma pp am'madzi ndi yaying'ono {{4}.
Pomaliza, luntha ndi ntchito zogwirizira ndi njira ina yochizira ma pp. Mwa kuphatikiza masensa kapena ntchito zogwirira ntchito monga ma antibacterial ndi kudziyeretsa kumatha kugwira ntchito yayikulu, nyumba zanzeru, ndi minda ina.
Ma pp PP, ndi magwiridwe antchito abwino kwambiri komanso kugwiritsidwa ntchito kwakukulu, zakhala zinthu zofunika kwambiri m'makampani amakono komanso moyo. Ndi kupititsa patsogolo kupititsa patsogolo ukadaulo ndi kukula kwa kufunika kwa msika, madera a PP a PP adzawonjezereka, ndipo chiyembekezo chawo cha premtsogolo chikulonjeza. Kuyendetsedwa ndi zochitika zachilengedwe, ntchito yayikulu, komanso manenedwe anzeru, ma pp apitiliza kugwiritsa ntchito njira zofunikira komanso zodalirika zamakampani osiyanasiyana.
