Comprehensive Analysis ofTPU PelletKuoma: Parameters, Zvishandiso uye Chengetedzo Yekushandisa
TPU (Thermoplastic Polyurethane), seyepamusoro-inoshanda elastomer zvinhu, kuoma kwemapellets ayo ndiwo musimboti parameter inotaridza kuita kwechinhu uye mamiriro ekushandisa. Hukukutu hwemhando yeTPU pellets hwakakura zvakanyanya, kazhinji kubva kune Ultra-yakapfava 60A kusvika kune yekupedzisira-yakaoma 70D, uye akasiyana magiredhi ekuomarara anoenderana neakasiyana zvachose emuviri zvivakwa.Iyo yakakwira kuomarara, iyo yakasimba kusimba uye deformation kuramba kwezvinhu, asi kuchinjika uye elasticity kunoderera zvinoenderana.; pane zvinopesana, yakaderera-kuoma TPU inotarisa zvakanyanya pakupfava uye elastic kupora.
Panyaya yekuyera kuyerwa, Shore durometers inowanzoshandiswa muindasitiri yekuyedza. Pakati pazvo, Shore A durometers inokodzera yepakati uye yakaderera kuomarara renji ye60A-95A, nepo Shore D durometers anonyanya kushandiswa pakuomarara kwepamusoro TPU pamusoro pe95A. Nyatsotevedzera maitiro akajairwa pakuyera: chekutanga, jekiseni TPU pellets muzvimedu zvebvunzo dzakatsetseka nehupamhi husingasviki 6mm, kuve nechokwadi chekuti pasi haina kuremara senge mabubbles uye zvikweshwa; zvino regai zvidimbu zvebvunzo zvimire munzvimbo ine tembiricha ye23℃±2℃ uye hunyoro hwe50%±5% kwemaawa makumi maviri nemana. Mushure mekunge zvidimbu zvebvunzo zvagadzikana, dzvanya indenter ye durometer vertically pamusoro peiyo test piece, chengeta iyo 3 masekonzi uye woverenga kukosha. Paboka rega rega remasamples, pima angangoita mashanu mapoinzi uye tora avhareji kuderedza zvikanganiso.
Yantai Linghua New Material CO., LTD.ine mutsara wechigadzirwa wakakwana unovhara zvinodiwa zvekuoma kwakasiyana. TPU pellets yekuomarara kwakasiyana ane kupatsanurwa kwakajeka kwebasa mundima dzekushandisa:
- Pasi pe60A (ultra-soft): Nekuda kwekunaka kwavo kubata uye elasticity, ivo vanowanzo shandiswa muzvigadzirwa zvine zvakanyanyisa zvinodiwa zvekupfava senge matoyi emwana, decompression grip balls, uye insole linings;
- 60A-70A (yakapfava): Kuenzanisa kuchinjika uye kupfeka kuramba, chinhu chakanakira zvemitambo shangu soles, isina mvura yekuisa chisimbiso mhete, infusion machubhu uye zvimwe zvigadzirwa;
- 70A-80A (pakati-yakapfava): Nekuita kwakaringana kuzere kuita, inoshandiswa zvakanyanya mumamiriro ezvinhu akadai semasheti etambo, mavhavha emotokari anotungamira, uye kushanya kwekurapa;
- 80A-95A (pakati-yakaoma kusvika yakaoma): Kuenzanisa kuomarara uye kuoma, inokodzera zvikamu zvinoda imwe simba rinotsigira senge printer rollers, mabhatani ekudzora mutambo, uye nharembozha kesi;
- Pamusoro pe95A (yakanyanya-yakaoma): Nesimba rakanyanya uye nekukanganisa kupikisa, chave chinhu chinofarirwa magiya eindasitiri, nhovo dzemakanika, uye zvinorema zvekuvhundutsa mapadhi.
Paunenge uchishandisaTPU pellets,zvinotevera zvinofanira kucherechedzwa:
- Kuenderana kwemakemikari: TPU inonzwisisika kune polar solvents (yakadai sedoro, acetone) uye yakasimba acids uye alkalis. Kusangana navo kunogona kukonzera kuzvimba kana kutsemuka nyore, saka kunofanirwa kudzivirirwa munzvimbo dzakadai;
- Kudzora tembiricha: Iyo tembiricha yekushandisa kwenguva refu haifanire kudarika 80 ℃. Kupisa kwepamusoro kuchawedzera kukwegura kwezvinhu. Kana yakashandiswa mumamiriro ekupisa kwepamusoro, zvinopisa zvinopisa zvinopisa zvinofanira kushandiswa;
- Kuchengetedza mamiriro: Izvo zvinhu zvine hygroscopic zvakanyanya uye zvinofanirwa kuchengetwa munzvimbo yakavharwa, yakaoma uye ine mhepo ine hunyoro inodzorwa pa40% -60%. Usati washandiswa, inofanira kuomeswa muvheni ye80 ℃ kwemaawa 4-6 kudzivirira mabhubhu panguva yekugadzira;
- Kugadzirisa kugadzirisa: TPU yekuomarara kwakasiyana inoda kuenderana yakatarwa maitiro paramita. Semuenzaniso, Ultra-yakaoma TPU inoda kuwedzera tembiricha yedhiramu kusvika 210-230 ℃ panguva yekuumbwa kwejekiseni, nepo TPU yakapfava ichida kudzikisa kudzvanywa kudzivirira kupenya.
Nguva yekutumira: Aug-06-2025