Sechikamu chepakati chemidziyo yekudzivirira yekurapa, kuita kwejira re spunbond, chinhu kiyi mbishi mune zvipfeko zvekudzivirira zvekurapa, zvinotarisisa mhedzisiro yekudzivirira uye kuchengetedza kwekushandisa. Iyo itsva yenyika chiyero chezvipfeko zvinodzivirira zvekurapa (zvichienderana neyakagadziridzwa GB 19082 nhevedzano) yakaisa pamberi zvakatevedzana zvakaomesesa zvinodiwa zvemucheka we spunbond, izvo zvisingasimbise kuvimbika kwechivharo chekudzivirira asiwo zvinofunga nezvekuita uye chengetedzo panguva yekushandiswa. Izvi zvinotevera ongororo yakadzama kubva pahupamhi hwepakati.
Zvakajeka Zvidimbu zveMamiriro Ezvinhu uye Masanganiswa Mafomu
Chiyero chitsva chinomisa pachena kushandiswa kwejira re spunbond kune zvinoumbwa zvimiro kekutanga, isingachacherechedze jira rimwechete re spunbond sechinhu chikuru. Chiyero chinoda kushandiswa kwezvakaumbwa machira asina kurukana zvimiro zvakaita se spunbond-meltblown-spunbond (SMS) kana spunbond-meltblown-meltblown-spunbond (SMMS). Ichi chinodiwa chinobva pachokwadi chekuti jira rimwe chete re spunbond rine zvikanganiso mukuenzanisa zvipingamupinyi mashandiro uye simba remuchina, nepo muzvikamu zvinosanganiswa, jira re spunbond rinogona kushandisa zvizere mabhenefiti ayo ekutsigira mabhenefiti, akasanganiswa nepamusoro-inoshanda kusefa kweiyo meltblown layer, kugadzira synergistic mhedzisiro ye "dziviriro + rutsigiro".
Zvichakadaro, chiyero chinopawo nhungamiro pane chinzvimbo uye ukobvu reshiyo ye spunbond layer mune inoumbwa chimiro, kuve nechokwadi chekuti jira re spunbond rinogona kunyatso tsigira iyo yakanyungudika layer uye kuchengetedza iyo yakazara chimiro kugadzikana.
Yakakwidziridzwa Core Physical uye Mechanical Performance Indicators
Chiyero chitsva chinosimudza zvakanyanya mashandiro emuviri uye mekiniki machira e spunbond, achitarisa pakusimbisa zviratidzo zvine chekuita nekusimba kwembatya dzekudzivirira. Kunyanya, izvi zvinosanganisira:
- Unit Area Misa: Iyo chiyero inoda zvakajeka kuti iyo unit nharaunda hukuru hwespunbond jira(kusanganisira iyo yakazara mubatanidzwa chimiro) ive isiri pasi pe40 g/m², ine kutsauka kunodzorwa mukati ± 5%. Uku ndiko kuwedzera kwe10% muchidimbu chemuganho kana uchienzanisa nechiyero chekare, uku uchisimbisa kutsauswa kwemhando. Shanduko iyi ine chinangwa chekuona kuenderana kwekudzivirira kwekuita kuburikidza nekugadzikana kwezvinhu density.
- Tensile Strength uye Elongation: The longitudinal tensile simba rakawedzerwa kubva 120 N kusvika 150 N, uye transverse tensile simba kubva 80 N kusvika 100 N. Elongation panguva yekuzorora inoramba iri isingasviki 15%, asi nharaunda yekuyedza yakanyanya kuomarara (tembiricha 25 ℃% ± 5 ℃ ± 5 ℃, 3 ± 5 ℃). Kugadziriswa uku kunogadzirisa nyaya yekutambanudza machira kunokonzerwa nekufamba-famba panguva yekushanda kwepamusoro-soro nevashandi vehutano, kuvandudza kuramba kubvarura kwezvipfeko zvekudzivirira.
- Seam kugarisana: Kunyangwe simba remusono riri dhizaini yechipfeko, chiyero chinoda chaizvo machira e spunbond kuti aenderane nekuvharika kwekupisa kana maitiro ekuvharisa maviri-tambo. Inotsanangura kuti kusimba kwekubatanidza pakati pemucheka we spunbond uye shinda yekunamira uye yekunamira tambo inofanirwa kusangana nezvinodiwa zvesimba remusono risingasviki 100N/50mm, zvichiisa zvisina kunanga zvinodikanwa pakushata kwepamusoro, kugadzikana kwemafuta, uye kumwe kugadzirisa kunoenderana zvimiro zvejira re spunbond.
Kukwidziridzwa kweChiyero Pakati Pekudzivirira uye Kunyaradza
Chiyero chitsva chinosiyana nemafungiro echinyakare e "kusimbisa dziviriro uchiregeredza kunyaradza," ichisimbisa kaviri kudzivirira uye kunyaradza kwekuita kwemachira e spunbond kuti uwane kuenzanisa pakati pezviviri izvi:
- Multi-dimensional Enhancement yeBarrier Performance: Nezve kuramba kwemvura, iyo spunbond composite layer inodiwa kuti iwane mvura yekupinda bvunzo ye4 kana yepamusoro maererano neGB/T 4745-2012. A new synthetic blood penetration resistance test inowedzerwawo (inoitwa maererano neAppendix A yeGB 19083-2013). Nezvekukwenenzverwa kwesefa, zvinotsanangurwa kuti kukwenenzverwa kweiyo spunbond composite chimiro chezvisina-oiri zvimedu hazvifanirwe kunge zvisingasviki 70%, uye seams dzinofanirwa kuchengetedza yakafanana filtration level. Ichi chiratidzo chinopa dziviriro inoshanda mune aerosol transmission scenarios.
- Zvinosungirwa Zvinodiwa Kuti Hunyoro Hupeteredzwa: Kekutanga, kupenya kwemvura kunosanganisirwa sechiratidzo chepakati chemachira e spunbond, inoda hushoma hwe2500 g/(m² · 24h). Nzira yekuedza zvakafanana inotora GB/T 12704.1-2009. Shanduko iyi inogadzirisa nyaya "inokachidza" yezvipfeko zvekudzivirira pasi peiyo chiyero chekare nekuvandudza kufema kweiyo spunbond jira remamorekuru chimiro, kuve nechokwadi chekunyaradza kwevashandi vekurapa panguva yekupfeka kwenguva refu.
-Antistatic performance upgrade: Iyo yepamusoro resistivity muganho yakasimbiswa kubva 1 × 10¹² Ω kusvika 1 × 10¹¹¹Ω, uye chitsva chinodiwa che electrostatic attenuation performance performance chawedzerwa kudzivirira guruva adsorption kana spark kugadzirwa nekuda kwemagetsi akamira, zvichiita kuti ive yakakodzera kune chaiyo nzvimbo dzekurapa dzakadai semakamuri ekushanda uye maICU.
Zvipingamupinyi Zvitsva paChengetedzo uye Zvekuchengetedzwa Kwenzvimbo Zviratidziro
Iyo chiyero chitsva chinowedzera akati wandei chengetedzo uye zviratidziro zvekuchengetedza kwezvakatipoteredza zvemachira e spunbond, kusimbisa kuchengetedza kwehutano hwevashandisi uye kutonga kwekukanganisa kwezvakatipoteredza:
- Hutsanana uye zviratidzo zvekuchengetedza: Inojekesa kuti machira e spunbond anofanirwa kuenderana neGB/T 3923.1-2013 "Hygienic Standard for Disposable Sanitary Products," ine huwandu hwehutachiona hwese ≤200 CFU / g, huwandu hwefungal ≤100 CFU / g, uye hapana hutachiona hwehutachiona; kushandiswa kwe fluorescent whitening agents kunorambidzwawo kudzivirira njodzi dzinogona kuitika dzeganda.
-Kemikari Residue Kudzora: Zvitsva zvakasara zvezvinhu zvine njodzi senge acrylamide uye formaldehyde zvakawedzerwa kugadzirisa kushandiswa kwemakemikari anobatsira mukugadzira machira e spunbond. Zvakanangana zviratidzo zvinoreva mazinga ekuchengetedza ekurapa-giredhi machira asina kuruka kuti ave nechokwadi chekuti zvipfeko zvekudzivirira zvinosangana ne biosafety zvinodiwa mushure mekuita sterilization.
-Flame Retardant Performance Adaptation: Yezvipfeko zvekudzivirira zvinoshandiswa mukuvhiya kana zvimwe zviitiko zvine njodzi dzemoto wakavhurika,spunbond composite layerinodiwa kuti upfuure iyo GB/T 5455-2014 vertical burning test, ine afterflame time ≤10s uye pasina kunyunguduka kana kudonha, kuwedzera mamiriro anoshanda ejira re spunbond.
Kumisikidzwa kweKuedza Nzira uye Kudzora Kwemhando
Kuve nechokwadi chekuitwa kwezvese zvinodiwa, chiyero chitsva chinobatanidza nzira dzekuyedza uye maitiro ekudzora emhando yemachira e spunbond:
Nezve nzira dzekuyedza, inojekesa iyo yakajairwa nharaunda yekuyedza pachiratidzo chega chega (tembiricha 25 ℃ ± 5 ℃, humidity yakaenzana 30% ± 10%) uye inomisa zvinodikanwa zvemakiyi emidziyo yakakosha (yakadai semichina yekuyedza uye kunyorova kwemamita). Panyaya yekutonga kwemhando, zvinoda vagadziri kuti vatarise zvizere-chinhu pabatch yega yega yemucheka we spunbond, vachitarisa pane zvakakosha zviratidzo senge unit nzvimbo misa, kuputsa simba, uye kusefa kunyatsoita, uye inoda inoperekedza mishumo yekuongorora isati yagadzirwa.
Pfupiso uye Zvikumbiro zveMashandisirwo
Izvo zvakakwidziridzwa zvinodikanwa zvemachira e spunbond muyero nyowani yenyika zvinovaka iyo yakazara-cheni yemhando yekusimbisa sisitimu kuburikidza ne "kumisikidzwa kwemaitiro, kurongeka kwechiratidzo, uye kuyedzwa chiyero." Kune vagadziri, zvakakosha kuti titarise pakugadzirisa iyo SMS/SMMS inoumbwa maitiro, kuenderana uye kuenzanirana kweiyo spunbond layer uye meltblown layer, uye kwakabva kudzora kwemakemikari asara.
Kune vatengi, zvakakosha zvinofanirwa kupihwa kune zvigadzirwa zvakasimbiswa pasi peiyo chiyero chitsva, uye mishumo yekuongorora yeakakodzera spunbond machira ezviratidzo anofanira kunyatsoongororwa. Kuitwa kwezvinodikanwa izvi kuchaendesa indasitiri yezvipfeko zvekudzivirira zvekurapa kuti ishanduke kubva ku "vakakodzera" kuenda ku "yepamusoro-soro," kuwedzera kuchengetedzwa uye kuvimbika kwekuchengetedzwa kwekurapa.
Dongguan Liansheng Non woven Technology Co., Ltd.yakavambwa muna Chivabvu 2020. Ibhizimusi rekugadzira jira rakakura risingarukwe rinobatanidza tsvakiridzo nekusimudzira, kugadzira, uye kutengesa. Inogona kuburitsa mavara akasiyana-siyana ePP spunbond machira asiri akarukwa ane hupamhi husingasviki 3.2 metres kubva pa9 gramu kusvika 300 magiramu.
Nguva yekutumira: Nov-27-2025