Unokukhetha njani isilungisi esifanelekileyo selaphu le-spunbond engalukwanga imathiriyeli ekrwada kwiimeko ezithile?

Xa ukhetha izilungisi zeilaphu le-spunbond nonwovenimathiriyeli ekrwada, le ngqiqo ilandelayo kufuneka ilandelwe: “ukubeka phambili iimfuno ezingundoqo zemeko yesicelo → ukuziqhelanisa nokusetyenzwa/nezithintelo zokusingqongileyo → ukungqinelaniswa kokuhambelana neendleko → ukufumana isiqinisekiso sokuthotyelwa,” ukungqamanisa ngokuthe ngqo iimfuno zokusebenza kunye neemeko zokwenyani zesicelo.

Chonga iiMfuno ezingundoqo zoMfanekiso (Qinisekisa umkhomba-ndlela oSebenzayo woMlungisi)

Okokuqala, cacisa ezona mfuno zibalulekileyo zentsebenzo yemeko kwaye uphelise izinto zesibini.

Ukuba imfuno ephambili "kukuchasana kweenyembezi / ukuxhathisa umonakalo": Beka phambili ii-agent eziqinisayo (i-POE, i-TPE) okanye i-inorganic fillers (i-nano-calcium carbonate).

Ukuba imfuno ephambili "yi-anti-adsorption / antistatic": Gxininisa kwi-antistatic agents (carbon nanotubes, i-quaternary ammonium salts).

Ukuba imfuno engundoqo "yinyumba / ibhaktheriya": Khetha ngokuthe ngqo i-antibacterial agents (i-ion zesilivere, i-graphene).

Ukuba eyona mfuno iphambili “inobubele ngokwendalo/yonakaliswa”: Gxininisa kwii-agent ezinokubola (i-PLA, i-PBA).

Ukuba imfuno engundoqo "i-retardant yomlilo / ukumelana nobushushu obuphezulu": Beka phambili i-flame retardants (i-magnesium hydroxide, i-phosphorus-nitrogen based).

Cokisa iimfuno ngokusekelwe kwiinkcukacha ezithile zokusetyenziswa kwemeko.

Ngeemeko ezinokuphinda zisetyenziswe/eziphindaphindwayo zokubulala iintsholongwane: Khetha izilungisi ezihlambekayo, ezihlala ixesha elide (ezifana ne-polyether-based antistatic agents, i-phosphorus-nitrogen based flame retardants).

Kwiindawo zobushushu obuphantsi/ubushushu obuphezulu: Khetha iimodyuli eziguquguqukayo zobushushu (ukusetyenziswa kobushushu obuphantsi). I-EVA (Ubushushu obuphezulu beNano-Silica)

Iimeko zoQhagamshelwano lweLusu: Beka phambili izinto ezilungele ulusu, izilungiso ezinomsindo ophantsi (iityuwa ze-quaternary ammonium, imixube yePLA)

Ukuziqhelanisa neNkqubo kunye neMithintelo yokusiNgqongileyo (Ukunqanda ukusilela kokuKhetha)

Ukutshatisa iiMpawu zokuLungisa i-Substrate

I-Polypropylene (PP) I-Substrate: Beka phambili i-POE, i-TPE, kunye ne-nano-calcium carbonate; processing lobushushu ilungele 160-220℃, ukuhambelana kakuhle

I-Polyethylene (PE) I-Substrate: Ifanelekile kwi-EVA kunye ne-talc; kuthintele ukuxubana nezilungisi ze-polar ezigqithisileyo (ezinje nge-antibacterial agents)

I-Degradable Substrate (PLA): Khetha i-PBA kunye ne-PLA-specific toughening agents ukunqanda ukubeka esichengeni ukusebenza kokuthotywa

Ukuhlangabezana neeMeko zokusiNgqongileyo kunye nokuSetyenziswa

Iimeko zokuvala inzala (i-Ethylene oxide / umphunga wobushushu obuphezulu): Khetha izilungelelanisi ezikwaziyo ukuvala inzala (i-POE, i-nano-calcium carbonate; zithintele ukubola lula ii-arhente ze-antibacterial eziphilayo)

I-Cold Chain / I-Local-Temperature Scenarios: Khetha i-EVA kunye ne-TPE kunye nobunzima obuhle bobushushu obuphantsi; ziphephe izilungisi ezibangela ubushushu obuphantsi embrittlement

Ngaphandle / iimeko zokugcina ixesha elide: Khetha i-talc engagugiyo kunye ne-carbon nanotubes ukuphucula uzinzo.

Ukulinganisa ukuhambelana kunye neendleko (ukuqinisekisa ukwenzeka)

Qinisekisa ukuhambelana kwesilungisi kunye ne-substrate.

Kuphephe ukuchaphazela ukuqhubekeka kokuhamba emva kokongezwa: Umzekelo, isixa esongeziweyo se-inorganic fillers akufanele sidlule i-5%, kwaye isixa esongezelelweyo se-elastomer modifiers akufanele sidlule i-3%. Musa ukubingelela ukusebenza kwe-substrate engundoqo: Ngokomzekelo, xa udibanisa i-PLA modifiers kwi-substrates ye-PP, imali eyongezelelweyo kufuneka ilawulwe kwi-10% -15%, ukulinganisa ubunzima kunye nokumelana nokushisa.

Ixabiso lokuqala:

Iimeko ezinexabiso eliphantsi (umzekelo, iipadi zokhathalelo lwezonyango eziqhelekileyo): Khetha izilungiso ezingabizi kakhulu ezifana ne-talc, i-EVA, kunye ne-magnesium hydroxide.

Iimeko eziphakathi ukuya-phezulu (umzekelo, ukupakishwa kwesixhobo esichanekileyo, ukunxitywa kwesiphelo esiphezulu): Khetha izilungisi zomgangatho ophezulu wokusebenza ezifana nekhabhoni nanotubes, igraphene, kunye nezilungisi ze-ion zesilivere.

Iimeko zemveliso yobuninzi: Ukubeka phambili izilungiso kunye nezixa eziphantsi zokongezwa kunye nemiphumo ezinzileyo (umzekelo, i-nano-level fillers, isixa esongezelelweyo se-1% -3% sanele).

Qinisekisa ukuthobela iimfuno zesatifikethi (ukuphepha iingozi zokuthobela)

Iimeko zonyango kufuneka zihlangabezane nemigangatho yoshishino ehambelanayo.

Izixhobo zoqhagamshelwano/imeko zamanxeba: Abalungisi kufuneka baphumelele isiqinisekiso se-ISO. 10993 Uvavanyo lweBiocompatibility (umzekelo, iiyoni zesilivere, iPLA)

Imveliso ethunyelwa ngaphandle: Kufuneka ithobele i-REACH, EN 13432, kunye neminye imimiselo (ziphephe izilungisi eziqulathe iiphthalates; beka phambili ii-halogen-free flame retardants kunye nezilungisi ezonakalisekayo).

Iimeko zoQhagamshelwano lokutya (umzekelo, ukupakishwa kwesampulu yeswab): Khetha izilungiso eziqinisekisiweyo zebakala lokutya (umzekelo, ibakala lokutya nano-calcium carbonate, PLA).

Iimeko eziqhelekileyo kunye neMizekeliso yoKhetho (iReference ngqo)

I-Medical Sterilization Instrument Packaging (Undoqo: Ukuchasana kweenyembezi + Ukuchasa inzala + Ukuthotyelwa): POE (imali eyongezelelweyo 1% -2%) + Nano-calcium Carbonate (1% -3%)

I-Operating Instrument Liners (I-Core: Antistatic + Anti-slip + Skin-friendly): Carbon Nanotubes (0.5% -1%) + Quaternary Ammonium Salt Antistatic Agent (0.3% -0.5%)

I-Biodegradable Medical Care Pads (Undoqo: uKhuseleko lokusiNgqongileyo + ukuxhathisa kweeNyezi): I-PLA + i-PBA ye-Blend Modifier (imali eyongezelelweyo…) 10%-15%)

Ukupakishwa kwesitofu sokugonya esikwiqondo elisezantsi lobushushu (undoqo: ukumelana nobushushu obuphantsi + nothintelo lokuqhekeka): EVA (3% -5%) + talc (2% -3%)

Izixhobo zokukhusela izifo ezithathelwanayo (ezingundoqo: i-antibacterial + amandla e-tensile): i-agent yesilivere ye-ion antibacterial (0.5% -1%) + i-POE (1% -2%)

Dongguan Liansheng Non woven Technology Co., Ltd.yasekwa ngoMeyi 2020. Lishishini elikhulu lemveliso yelaphu elingalukiweyo elidibanisa uphando nophuhliso, imveliso, kunye neentengiso. Inokuvelisa imibala eyahlukeneyo ye-PP spunbond amalaphu angalukwanga anobubanzi obungaphantsi kwe-3.2 yeemitha ukusuka kwi-9 grams ukuya kwi-300 grams.