Analysis e Felletseng eaTPU PelletThata: Mekhahlelo, Likopo le Litlhokomelo bakeng sa Tšebeliso
TPU (Thermoplastic Polyurethane), e le lisebelisoa tse phahameng tsa elastomer, boima ba li-pellets tsa eona ke parameter ea mantlha e khethollang ts'ebetso ea thepa le maemo a kopo. Mefuta e thata ea li-pellets tsa TPU e pharalletse haholo, hangata ho tloha ho 60A e bonolo ho isa ho 70D e thata haholo, 'me limaraka tse fapaneng tsa boima li lumellana le thepa e fapaneng ka ho felletseng.Ha boima bo phahame, ho matlafala ho matla le ho hanyetsa ha deformation ea thepa, empa ho feto-fetoha ha maemo le elasticity ho tla fokotseha ka tsela e nepahetseng.; ho fapana le hoo, TPU ea boima bo tlase e shebana haholo le bonolo le ho hlaphoheloa ha elastic.
Mabapi le tekanyo ea boima, li-durometer tsa Shore li sebelisoa hangata indastering bakeng sa liteko. Har'a tsona, li-durometers tsa Shore A li loketse sebaka se bohareng le se tlaase sa 60A-95A, ha li-durometer tsa Shore D li sebelisoa haholo bakeng sa TPU e thata ka holimo ho 95A. Latela ka tieo mekhoa e tloaelehileng ha u lekanya: pele, kenya li-pellets tsa TPU ka likotoana tsa teko tse bataletseng tse nang le botenya bo sa feteng 6mm, ho netefatsa hore bokaholimo ha bo na liphoso tse kang li-bubble le li-scratches; joale likotoana tsa teko li eme sebakeng se nang le mocheso oa 23 ℃ ± 2 ℃ le mongobo o lekanyelitsoeng oa 50% ± 5% bakeng sa lihora tse 24. Ka mor'a hore likarolo tsa teko li tsitsitse, tobetsa inndenter ea durometer ka holimo holim'a sekhechana sa teko, e boloke metsotsoana ea 3 ebe u bala boleng. Bakeng sa sehlopha ka seng sa lisampole, lekanya bonyane lintlha tse 5 'me u nke karolelano ho fokotsa liphoso.
Yantai Linghua New Material CO.,LTD.e na le mohala o felletseng oa sehlahisoa o koahelang litlhoko tsa boima bo fapaneng. Li-pellets tsa TPU tsa boima bo fapaneng li na le likarohano tse hlakileng tsa mosebetsi libakeng tsa kopo:
- Ka tlase ho 60A (ultra-soft): Ka lebaka la ts'ebetso ea tsona e ntle le elasticity, hangata li sebelisoa lihlahisoa tse nang le litlhoko tse phahameng haholo bakeng sa bonolo joalo ka lintho tsa ho bapala tsa bana, libolo tsa decompression grip, le li-insole linings;
- 60A-70A (bonolo): Ho leka-lekanya ho feto-fetoha ha maemo le ho hanyetsa ho apara, ke thepa e loketseng bakeng sa lieta tsa lipapali tsa lipapali, mehele ea ho tiisa metsi, li-tubes tsa infusion le lihlahisoa tse ling;
- 70A-80A (bonolo-bohareng): Ka ts'ebetso e phethahetseng e leka-lekaneng, e sebelisoa haholo maemong a kang likhetla tsa lithapo, likoahelo tsa mabili a koloi, le maeto a bongaka;
- 80A-95A (bohareng bo thata ho isa ho bo thata): Ho leka-lekanya ho tiea le ho tiea, ho loketse likarolo tse hlokang matla a itseng a tšehetsang joalo ka li-printer rollers, likonopo tsa taolo ea lipapali, le mekotla ea mohala oa thekeng;
- Kaholimo ho 95A (ka thata haholo): Ka matla a phahameng le khanyetso e matla, e fetohile thepa e ratoang bakeng sa likere tsa indasteri, lithebe tsa mochini, le lisebelisoa tse boima tsa lisebelisoa.
Ha u sebelisali-pellets tsa TPU,lintlha tse latelang li lokela ho hlokomeloa:
- Ho lumellana ha lik'hemik'hale: TPU e na le kutloelo-bohloko ho li-solvents tsa polar (tse kang joala, acetone) le li-acids tse matla le alkalis. Ho kopana le bona ho ka baka ho ruruha kapa ho phunyeha habonolo, kahoo ho lokela ho qojoa libakeng tse joalo;
- Taolo ea mocheso: Thempereichara ea tšebeliso ea nako e telele ha ea lokela ho feta 80 ℃. Mocheso o phahameng o tla potlakisa botsofali ba thepa. Haeba e sebelisoa maemong a mocheso o phahameng, li-additives tse thibelang mocheso li lokela ho sebelisoa;
- Maemo a polokelo: Thepa e na le hygroscopic haholo 'me e lokela ho bolokoa sebakeng se tiisitsoeng, se omeletseng le se nang le moea o mongobo o laoloang ho 40% -60%. Pele o sebelisoa, o lokela ho omisoa ka ontong ea 80 ℃ bakeng sa lihora tse 4-6 ho thibela li-bubble nakong ea ts'ebetso;
- Ho ikamahanya le maemo: TPU ea boima bo fapaneng e hloka ho ts'oana le mekhahlelo e itseng ea ts'ebetso. Mohlala, TPU e thata haholo e hloka ho eketsa mocheso oa moqomo ho 210-230 ℃ nakong ea ente, athe TPU e bonolo e hloka ho fokotsa khatello ho qoba flash.
Nako ea poso: Aug-06-2025