Pepa iri rinotarisa pane zvinonamira zvine zvikamu zviviri zvisina zvinonyungudutsa, richikurukura nezvehunhu hwekuenzana kwezvigadzirwa zvisina zvinonyungudutsa.
1. Zvinorehwa Nekutanga Nekuyera Pfuma
Hunhu hwekuenzana hunoreva kugona kwependero kuti ienzane zvakaenzana uye zvakanaka pamusoro pevhu.
2. Hukama uye Mhedzisiro yeKuenzana paZvikamu Zvakasiyana
Muhurukuro inotevera, zvinhu zvekugadzirwa zvinogara zviripo, zvinosanganisira huremu hwekufukidza, tembiricha, kumanikidzwa, nezvimwewo. Nekuti zvinhu zvese zvichakonzera shanduko kuma laminates ekupedzisira, tichaona izvi zvinhu sezvisina kugadziriswa.
Nekuti namati isina solvent haina solvent kuti ive hwaro, hunhu hwekuenzana hunoratidza mashandiro enamati. Kana tichienzanisa, ichave yakachena, asi namati isina solvent ichiri nehunhu hwayo.
Chekutanga, hunhu hwekuyera hweSF adhesive hune hukama hwepedyo nekunaka kweadhesive pachayo. Kunyange zvazvo viscosity iine hukama hwakananga netembiricha uye inosiyana-siyana, zvinoreva kuti viscosity yeSF adhesive inodzikira kana tembiricha ikawedzera. Zvadaro kana tembiricha yemukamuri, viscosities yeSF adhesives mbishi ine musiyano mukuru zvichienderana nemhando dzakasiyana dzeSF adhesive uye hunhu hwepanyama. Zvisinei, kana tembiricha yekushanda yakakodzera yeSF adhesive modhi imwe, musiyano we viscosity yayo hausi pachena zvakanyanya. Saka, chigadzirwa che low viscosity chingasave chiri nani kana uchienzanisa imwe high viscosity SF adhesive modhi ne low viscosity. Semuenzaniso, WD8262A/B yeKANGDA NEW MATERIALS, pasi petembiricha yayo yekushanda (inenge 45℃), viscosity yayo i1100 mpa.s. Asi kana ichiisa lamination yePET.INK/ALU, inogona kuwana chitarisiko chakanaka isina madotsi panguva yekutanga lamination. Semhedziso, hazvirevi kuti low viscosity inogona kuunza chitarisiko chakanaka. Kuchinja kweSF adhesives inguva inokurumidza, inoda zvinhu zvakawanda kuti isvike pamhedzisiro yakanaka. Panguva imwecheteyo, viscosity ine pasi rakaderera. Semuenzaniso, pasi pe80-90℃ (Double component SF adhesive), viscosity haina shanduko diki kana tembiricha yakwira.
Kuenzanisa kwekutanga kunoreva kuenderera mberi kwechimiro chekubatanidza zvakasanganiswa. Mushure mekuputira, hunhu hwayo hwekuenzana hunoderera pamwe nekukurumidzira pakati pezvikamu zveA&B uye kudzikira kwetembiricha. Kazhinji, kuenzana kwekutanga kwekubatanidza kweSF kunoonekwa sekuenzana mushure mekumonera kwelamination. Panguva ino viscosity yeglue ichave yakakura kupfuura kuenzana kwakasanganiswa pama metering rollers.
Kuenzanisa kwenamira isina kubikwa zvinoreva kuenzanisa kwenamira mumadhiramu isati yasanganiswa. Iyi kuenzanisa haibatanidzwi mukuita kwekunamira mafirimu kana mafoil.
Hunhu hwechipiri hwekuyera ndehwekuti, mushure mekuyeresa uye kusvika padanho rekupisa, SF adhesive inopinda padanho rekukurumidza cross-link reaction pasi pesimba rekupisa, uye kushanda kwekuyera kunoderera kusvika pakunyangarika zvachose.
3. Mhedziso
Kuenzanisa hunhu hwechinamatidzo cheSF chisina kugadzirwa usati wasanganisa > chimiro chechipiri chekuenzanisa > hunhu hwekuenzanisa hwechinamatidzo cheSF chakasanganiswa pama metering rollers > hunhu hwekutanga hwekuenzanisa. Nokudaro, kuchinja kwe viscosity kwechinamatidzo cheSF chaizvoizvo inzira iri kuwedzera, iyo yakasiyana zviri pachena ne SB glues.
Kana muine mibvunzo nezve SF laminating yekurongedza inochinjika, tinoda kukubatsirai.
Taura nesu:
Trey:trey@shkdchem.comrunhare: +86 13770502503
Angus:angus@shkdchem.comrunhare: +86 13776502417
Turdibek:turdibek@shkdchem.comrunhare: +86 17885629518
Tiwanei pa:
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KANGDA NEW MATERIALS (GROUP) CO., LTD.
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Nguva yekutumira: Gunyana-14-2021