Tlhahlobo e Felletseng eaPellet ea TPUBothata: Liparamente, Likopo le Litlhokomelo tsa Tšebeliso
TPU (Thermoplastic Polyurethane), jwalo ka thepa ya elastomer e sebetsang hantle, thatafalo ya dipellet tsa yona ke paramethara ya mantlha e etsang qeto ya tshebetso ya thepa le maemo a tshebediso. Mefuta ya thatafalo ya dipellet tsa TPU e pharaletse haholo, hangata e tloha ho 60A e bonolo haholo ho isa ho 70D e thata haholo, mme maemo a fapaneng a thatafalo a tsamaellana le thepa ya mmele e fapaneng ka ho felletseng.Ha boima bo phahame, ho tiea le ho se fetohe ha thepa ho matlafala, empa ho tenyetseha le ho se fetohe ho tla fokotseha ka ho loketseng.; ho fapana le hoo, TPU e thata e shebane haholo le bonolo le ho hlaphoheloa ha elasticity.
Mabapi le tekanyo ea boima, li-durometer tsa Shore li sebelisoa haholo indastering bakeng sa liteko. Har'a tsona, li-durometer tsa Shore A li loketse mefuta e mahareng le e tlase ea boima ba 60A-95A, ha li-durometer tsa Shore D li sebelisoa haholo bakeng sa TPU e thata haholo ka holimo ho 95A. Latela mekhoa e tloaelehileng ka tieo ha u lekanya: pele, kenya li-pellet tsa TPU likotoana tse bataletseng tsa liteko tse nang le botenya ba bonyane 6mm, u netefatse hore bokaholimo ha bo na liphoso tse kang lipululana le mengoapo; ebe u tlohela likotoana tsa liteko li eme tikolohong e nang le mocheso oa 23℃±2℃ le mongobo o lekanyelitsoeng oa 50%±5% ka lihora tse 24. Kamora hore likotoana tsa liteko li tsitse, tobetsa indenter ea durometer ka holimo holim'a karolo ea teko, e boloke metsotsoana e 3 ebe u bala boleng. Bakeng sa sehlopha se seng le se seng sa lisampole, lekanya bonyane lintlha tse 5 'me u nke karolelano ho fokotsa liphoso.
Yantai Linghua New Material CO.,LTD.e na le mola o felletseng oa sehlahisoa o akaretsang litlhoko tsa boima bo fapaneng. Li-pellet tsa TPU tsa boima bo fapaneng li na le likarolo tse hlakileng tsa mosebetsi masimong a ts'ebeliso:
- Ka tlase ho 60A (e bonolo haholo): Ka lebaka la ho ama ha tsona hantle le ho tenyetseha ha tsona, hangata li sebelisoa lihlahisoa tse nang le litlhoko tse phahameng haholo tsa bonolo tse kang lintho tsa ho bapala tsa masea, libolo tsa ho tšoara tse fokotsang khatello, le li-lining tsa insole;
- 60A-70A (e bonolo): Ho leka-lekanya ho tenyetseha le ho hanyetsa ho tsofala, ke thepa e loketseng bakeng sa lieta tsa lipapali, masale a ho tiisa a sa keneleng metsi, liphaephe tsa infusion le lihlahisoa tse ling;
- 70A-80A (e bonolo bo mahareng): Ka ts'ebetso e leka-lekaneng e felletseng, e sebelisoa haholo maemong a kang li-sheath tsa cable, likoahelo tsa lebili la setereng la koloi, le li-tourniquet tsa bongaka;
- 80A-95A (e mahareng ho tloha ho thata ho isa ho thata): Ho leka-lekanya ho tiea le ho tiea, e loketse likarolo tse hlokang matla a itseng a tšehetso joalo ka lirolara tsa khatiso, likonopo tsa taolo ea lipapali le mabokose a mohala oa thekeng;
- Kaholimo ho 95A (e thata haholo): Ka matla a maholo le ho hanyetsa tšusumetso, e se e le thepa e ratoang bakeng sa li-gear tsa indasteri, lithebe tsa mechini, le li-shock pad tsa lisebelisoa tse boima.
Ha o sebedisaLi-pellet tsa TPU,lintlha tse latelang li lokela ho hlokomeloa:
- Ho lumellana ha lik'hemik'hale: TPU e na le kutloelo-bohloko ho di-solvent tsa polar (tse kang jwala, acetone) le di-acid tse matla le di-alkali. Ho kopana le tsona ho ka baka ho ruruha kapa ho petsoha habonolo, kahoo ho lokela ho qojwa dibakeng tse jwalo;
- Taolo ea mocheso: Mocheso oa tšebeliso ea nako e telele ha oa lokela ho feta 80℃. Mocheso o phahameng o tla potlakisa botsofali ba thepa. Haeba e sebelisoa maemong a mocheso o phahameng, ho lokela ho sebelisoa li-additives tse thibelang mocheso;
- Maemo a polokelo: Thepa ena e na le hygroscopic e ngata 'me e lokela ho bolokoa sebakeng se koetsoeng, se omileng le se nang le moea o kenang ka har'a mongobo o laoloang ho 40%-60%. Pele e sebelisoa, e lokela ho omisoa ka ontong ea 80℃ ka lihora tse 4-6 ho thibela lipululana nakong ea ts'ebetso;
- Ho ikamahanya le maemo: TPU ea boima bo fapaneng e hloka ho lumellana le liparamente tse itseng tsa ts'ebetso. Mohlala, TPU e thata haholo e hloka ho eketsa mocheso oa barrel ho 210-230℃ nakong ea ho enta ka ente, ha TPU e bonolo e hloka ho fokotsa khatello ho qoba ho benya.
Nako ea poso: Phato-06-2025