Kwagura polypropilene (EPP kubugufi) ni ultra-yumucyo, ifunze-selile ya termoplastique ifuro ifatiye kuri polypropilene.Ni umukara, umutuku cyangwa umweru, kandi diameter muri rusange iri hagati ya φ2 na 7mm.Amasaro ya EPP agizwe nibice bibiri, bikomeye na gaze.Mubisanzwe, icyiciro gikomeye kibarirwa 2% kugeza 10% byuburemere bwose, naho ibindi ni gaze.Ubucucike ntarengwa ni 20-200 kg / m3.By'umwihariko, uburemere bwa EPP bworoshye kurusha ubwa polyurethane ifuro munsi yingaruka zimwe.Kubwibyo, ibice byifuro bikozwe mumasaro ya EPP biroroshye muburemere, bifite ubushyuhe bwiza bwo guhangana nubushuhe, ibintu byiza byo kwisiga hamwe nibikoresho byiza bya mashini, kandi birashobora kwangirika 100%.Izi nyungu zose zituma EPP imwe mubikoresho bikoreshwa cyane mubice byinshi, mubice byose byubuzima bwacu:
Mu murima wimodoka, EPP nigisubizo cyiza cyo kugera kubintu byoroheje, nka bumpers, ibinyabiziga A-inkingi yimodoka, ibinyabiziga bikomeretsa uruhande rwimodoka, urugi rukomeretsa urugi rwimodoka, intebe zumutekano ziteye imbere, agasanduku k'ibikoresho, imizigo, Armrests, ibikoresho bya polypropilene. Irashobora gukoreshwa mubice nkibisahani byo hasi, iyerekwa ryizuba, imbaho zikoreshwa mubikoresho, nibindi. / ikinyabiziga, gishobora kugabanya uburemere bwimodoka kugera kuri 10%.
Mu rwego rwo gupakira, gupakira byongeye gukoreshwa hamwe n’ibikoresho byo gutwara abantu bikozwe muri EPP bifite ibiranga kubungabunga ubushyuhe, kurwanya ubushyuhe, kurwanya ruswa, kwikingira, ubuzima bumara igihe kirekire, nibindi, ntabwo birimo ibinyabuzima bihindagurika, kandi ntibirimo ibintu bimwe na bimwe byangiza urwego rwa ozone cyangwa ibyuma biremereye Gupakira ibikoresho, gusya nyuma yo gushyuha, bitangiza ibidukikije 100%.Yaba ibice bya elegitoroniki byuzuye, cyangwa gutwara ibiryo nkimbuto, inyama zafunzwe, ice cream, nibindi, kwagura polypropilene ifuro irashobora gukoreshwa.Ukurikije igipimo cyumuvuduko wa BASF, EPP irashobora guhora igera kumurongo urenga 100 yoherejwe, ibika cyane ibikoresho kandi igabanya ibiciro byo gupakira.
Byongeye kandi, EPP ifite imbaraga zo guhangana n’ihungabana n’imikorere yo kwinjiza ingufu, kandi ikoreshwa cyane mu gukora intebe z’umutekano w’abana, igasimbuza ibikoresho gakondo bya plastiki na polystirene, ndetse bikaba byarabaye ibikoresho byatoranijwe bikenerwa n’ibidukikije bikenerwa buri munsi.
Intebe yumwana yatunganijwe na Karwala kubufatanye na KNOF Industries.Ngiyo intebe yumutekano yoroheje yumwana ku isoko, itwara abana murwego rwa 0-13 kg kandi ipima 2,5 kg gusa, iri munsi ya 40% ugereranije nibicuruzwa biriho ku isoko.
Nuburyo butandukanye bwimikorere, ntabwo dukunze kubibona.Kuki ibi aribyo?Kuberako mu bihe byashize, ubuso bwibice byinshi bya EPP bifashishije ikoranabuhanga ryibumba kandi bitaziguye ntabwo byari bishimishije muburyo bwiza kandi akenshi byari bihishe inyuma yibikoresho nkibyuma, ibyuma, sponge, ifuro, imyenda nimpu.Haraheze imyaka myinshi, hageragejwe kunoza ubwiza bwubuso bwibice bisanzwe bikozwe nifuro yongewemo imiterere imbere yibikoresho bibumba.Kubwamahirwe make, ibi akenshi bivamo igipimo cyo hejuru.Gutera inshinge bifatwa nkigihe gito inzira yumvikana, ariko ibicuruzwa byayo ntabwo ari byiza mubijyanye nuburemere bworoshye, kwinjiza ingufu no kubika.
Kugirango ubashe gukora neza ibice byifuro byinshi, urashobora kandi guhitamo gukoresha tekinoroji yo gutunganya laser nyuma yibice bimaze gushingwa, cyangwa gukora imiti yo kumurika kugirango ubone uburyo butandukanye bwimiterere.Ariko nyuma yo gutunganya bisobanura kandi gukoresha ingufu zinyongera, nabyo bigira ingaruka kubikorwa bya EPP.
Ni muri urwo rwego, T.Michel GmbH, hamwe n’ibikoresho byinshi byo mu rwego rwo hejuru n’ibikoresho byo mu nganda, batangije ikoranabuhanga rya “In-Mold Foamed Particle Coating” (IMPFC), ritera icyarimwe mu gihe cyo kubumba.Ubu buryo bukoresha inzira ya kurtz Ersa ya THERMO SELECT, igahindura kugiti cyayo ubushyuhe bwubushyuhe bwububiko, bikavamo igice cyiza cyo hejuru hamwe no kugabanuka cyane.Ibi bivuze ko ibishushanyo byakozwe bishobora guhita byuzuzwa ako kanya.Ibi kandi bifasha gutera icyarimwe.Ipitingi yatewe izahitamo polymer ifite imiterere imwe nuduce twinshi, urugero, EPP ihuye na PP yatewe.Bitewe nuburyo bugizwe nuburyo bumwe, ibice byabyimbye byakozwe 100%.
Imbunda yo mu rwego rwo mu nganda ivuye muri Nordson ikwirakwiza irangi mu bitonyanga kandi byiza kugirango bikoreshwe neza kandi neza muburyo bwimbere.Umubyimba ntarengwa wa coating urashobora kugera kuri mm 1,4.Gukoresha igifuniko bifasha guhitamo kubuntu ibara nuburyo bwimiterere yibice byabumbwe, kandi bitanga umwanya munini wo kwiyongera cyangwa guhindura imikorere yubuso.Kurugero, igipapuro cya PP kirashobora gukoreshwa kuri EPP ifuro.Azana kurwanya UV nziza.
Ubunini bwa coating bugera kuri mm 1,4.Ugereranije no guterwa inshinge, tekinoroji ya IMPFC itanga ibice bibumbabumbwe birenga 60 ku ijana.Binyuze muri ubu buryo, ibishushanyo bikozwe mubice byinshi birimo EPP bizagira ibyagutse.
Kurugero, ibicuruzwa bya EPP ntibizongera guhishwa inyuma yibindi bikoresho cyangwa bipfunyitse mubindi bikoresho mugihe kizaza, ariko bizerekana ubwiza bwabo kumugaragaro.Kandi, hamwe n’ubushake bugenda bwiyongera ku binyabiziga by’amashanyarazi mu myaka yashize ndetse n’uburyo bwiza bw’abaguzi bava mu modoka gakondo bakajya mu modoka z’amashanyarazi (nk’uko ikigo mpuzamahanga gishinzwe ingufu kibitangaza, biteganijwe ko kugurisha ibinyabiziga by’amashanyarazi ku isi bizagera kuri miliyoni 125 mu 2030. Muri 2030, Biteganijwe ko Ubushinwa bugera kuri 70% yo kugurisha ibinyabiziga bizaba ari EV), bizatanga amahirwe menshi ku isoko rya EPP.Imodoka zizaba isoko nini yo gusaba kuri EPP.Usibye kumenya guhindura no kuzamura ibice byimodoka bihari hamwe ninteko zabo, EPP izanakoreshwa mubice bishya byateye imbere, harimo ariko ntibigarukira gusa:
Mu bihe biri imbere, EPP izakomeza kugira uruhare runini mu kuremerera ibintu, kwangiza ubushyuhe, kwinjiza ingufu, n'ibindi bitewe n’imiterere yagutse y’imiterere myiza idashobora guhura n’ibindi bikoresho byose: igiciro gito, ibikoresho byiza bya mashini, guhinduka neza, kubungabunga ibidukikije, nibindi ngaruka.
Igihe cyo kohereza: Kanama-05-2022