Kev ua haujlwm tseem ceeb: qhov sib txawv tseem ceeb hauv cov cwj pwm hauv lub cev
1. Mechanical zog thiab stability
Polyester spunbond: Ua los ntawm polyester (PET) raws li cov khoom siv raw, lub zog tensile tuaj yeem ncav cuag 1.5-2 npaug ntawm polypropylene, nrog rau qhov ntev thiab qhov sib txawv ntawm qhov sib txawv ntawm tsawg dua 5%, thiab lub zog tuav ntau dua 90% hauv lub xeev ntub dej, haum rau cov xwm txheej kev ntxhov siab ntev. Nws lub teeb tsis kam yog qhov thib ob rau acrylic fiber, thiab tom qab 1000 teev ntawm kev raug tshav ntuj, nws lub zog tseem tuaj yeem khaws cia los ntawm 60-70%. Nws lub neej kev pabcuam sab nraum zoov tuaj yeem ncav cuag ntau dua 5 xyoos. cov
Polypropylene spunbond: Qhov ceev ntawmCov khoom siv polypropylene (PP).tsuas yog 0.91g / cm ³, ua rau nws lub teeb pom kev zoo ntawm cov tshuaj fiber ntau. Lub thickness ntawm cov khoom nrog tib qhov hnyav yog 30% siab dua polyester, thiab fluffiness zoo dua. Tab sis nws tsis zoo thermal stability, softening ntawm 70-80 ℃ thiab melting deformation saum 150 ℃. Nws kuj muaj qhov tsis muaj zog tiv thaiv kev laus thiab ua rau brittleness thaum siv sab nraum zoov yam tsis muaj kev kho UV. cov
2. Tshuaj thiab Environmental kam rau ua
Polyester spunbond muaj lub sijhawm ntev kub ua haujlwm ntawm 260 ℃ thiab lub sijhawm luv luv ntawm 300 ℃. Nws yog chemically resistant, acid resistant, thiab tsis alkali resistant, nrog ib tug noo noo nqus tus nqi ntawm tsawg tshaj li 0.5%. Nws yog antibacterial, npauj pov thawj, thiab pwm pov thawj.
Polypropylene spunbond muaj lub sijhawm ntev kub ua haujlwm ntawm 120 ℃ thiab lub sijhawm luv luv ntawm 150 ℃. Nws yog resistant rau tshuaj, acids, alkalis, thiab feem ntau organic solvents, nrog ib tug noo noo nqus tus nqi ntawm ≈ 0%. Nws muaj cov ntsiab lus zoo heev thiab cov khoom siv tshuaj tua kab mob, cais cov kab mob yaig thiab ua tiav cov khoom siv tshuaj tua kab mob zoo dua.
3. Kev ua haujlwm tau zoo
Polyester spunbond: Kev kub ceev tuaj yeem ua tiav los ntawm kev kub dov, thiab huab cua permeability tuaj yeem tswj tau ntawm 50-500L / m ² · s, haum rau cov ntaub ntawv lim; Polypropylene spunbond: Ntuj dej tshuaj tiv thaiv (lub kaum sab xis> 130 °), tuaj yeem siv rau saum npoo ntawm cov khoom huv si tom qab hloov kho hydrophilic, nrog rau cov tub ntxhais nqus ceev ntawm 0.3cm / s. cov
Cov yam ntxwv txheej txheem: thev naus laus zis sib txawv ntawm qhov kawg ntawm kev tsim khoom
1. Kev sib piv ntawm cov tub ntxhais spinning tsis
Polyester spunbond spinning kub yog 285-290 ℃, yog nqus ceev yog 4000-6000m / min, ntsia hlau nam piv yuav tsum yog ≥ 27, raw khoom pretreatment yuav tsum qhuav (cov ntsiab lus noo noo <0.05%); Polypropylene spunbond spinning kub yog 220-290m 2 txoj kab uas hla yog 290 min. 25-27 piv rau cov pa, thiab raw khoom pretreatment tsis xav kom qhuav
cov
2. Cov khoom siv thiab cov nqi tswj
Polyester spunbond: xav tau cov cuab yeej tshwj xeeb kom qhuav, nrog lub zog noj 15-20% siab dua polypropylene, tab sis cov khoom tiav lawm muaj qhov hnyav dua (± 2g / m ²); Polypropylene spunbond: sib xws nrog 30% cov khoom siv rov ua dua tshiab, cov cuab yeej siv nyiaj qis dua 10-15%, thiab cov khoom siv kub yaj ua haujlwm siab yog 30% siab dua polyester. cov
Daim ntawv thov scenario: xav tau-oriented xaiv logic
1. Kev faib cov chaw ua haujlwm tseem ceeb
Qhov kev xaiv zoo tshaj rau kev tiv thaiv kev kho mob yogpolypropylene spunbond(SMS qauv), uas muaj zog tiv thaiv kab mob thiab tsis muaj tshuaj lom, thiab pom kev ua haujlwm zoo tshaj 95%.
Polyester spunbond yog qhov zoo dua rau kev pom kev lag luam vim nws qhov kub thiab txias tsis kam, qhov loj me, thiab muaj peev xwm los ntxuav tau ntau zaus.
Qhov kev xaiv zoo tshaj plaws rau kev cog qoob loo yog polypropylene spunbond (UV resistant), nrog rau cov laj thawj tseem ceeb vim tias polypropylene spinning muaj lub teeb viscosity, tsis tshua muaj nqi, thiab tuaj yeem degrade hauv 1-5 xyoos.
Qhov kev xaiv zoo tshaj plaws rau lub tsheb sab hauv yog polyester spunbond, nrog rau cov laj thawj tseem ceeb yog nws cov kev laus tsis kam, zoo suab rwb thaiv tsev, thiab lub sij hawm ntev tiv taus kub txog 120 ℃.
Qhov kev xaiv zoo tshaj plaws rau cov khoom siv tu cev yog polypropylene spunbond, nrog rau cov laj thawj tseem ceeb yog vim li cas cov tub ntxhais polypropylene spunbond muaj qhov nqus tau sai, dej tsis zoo, thiab qhov muag muag.
2. Kev txheeb xyuas qhov xwm txheej
Kev kho mob hnav khaub ncaws: ua los ntawm 30g / m ² polypropylene SMS composite npuag, kho nrog anti cawv thiab anti plasma zog, nrog ib tug noo permeability ntawm> 2000g / m ² · 24h; Kub kub lim hnab: Ua los ntawm 200g / m² polyester spunbond ntaub thiab coated nrog 10 08 ℃ tsis tu ncua zaj duab xis, siv PTFE zaj duab xis rau 10 hli. Nyom pov thawj ntaub: 60g / m ² UV resistant polypropylene spunbond ntaub, nrog ib tug transverse kua muag zog ntau dua 80N, thiab ib tug kev pab cuam lub neej txog li 3 xyoos. cov
Economy thiab Market Pattern
1. Cov nqi sib piv (siv 80g / m² khoom ua piv txwv)
Cov nqi raw khoom: Polyester chips (8500 yuan / ton) vs polypropylene chips (7200 yuan / ton), nrog polypropylene chips yog 15.3% qis; Tus nqi ua haujlwm: Polyester (1.2 yuan / m ²) vs Polypropylene (0.9 yuan / m ²), Polypropylene yog 25% qis; Tus nqi: Polypropylene spunbond yog 18-22% qis dua polyester. cov
2. Kev sib koom ua lag luam thiab cov qauv
Hauv ntiaj teb spunbond nonwoven npuag, polypropylene suav txog li 70% thiab polyester nyiaj rau 18%; Hauv kev kho mob, qhov kev faib ua feem ntawm polypropylene SMS qauv tsim muaj peev xwm tau nce los ntawm 12% hauv 2020 txog 37.6% hauv 2024, thiab xav tias yuav dhau 48% los ntawm 2025; Hauv kev lag luam,polyester spunbondtau ua tiav qhov kev loj hlob txhua xyoo ntawm 8.2% hauv kev lag luam kub-kub pom vim kev hloov kho kev ua haujlwm. cov
Environmental Protection thiab Sustainable Development
Recycling: Ob leeg yog cov khoom siv thermoplastic. Polyester recycling yuav tsum tau kub melting (siab zog noj), thaum polypropylene recycling yuav tsum tsis muaj kub (30% zog txuag). Txawm li cas los xij, lub zog tuav tus nqi ntawm cov khoom siv rov ua dua polyester yog 85%, uas zoo dua li cov khoom siv rov ua dua polypropylene (70%);
Cov yam ntxwv degradation: Polypropylene tuaj yeem ua tiav qhov sib txawv ntawm 1-5 xyoos los ntawm kev ntxiv cov degradation masterbatch, thaum polyester xav tau tshwj xeeb enzymatic hydrolysis tej yam kev mob nrog lub voj voog degradation ntau tshaj 20 xyoo; cov
Cov pa roj carbon hneev taw: Polypropylene tsim tawm kwv yees li 3.2 tons ntawm CO ₂ ib tuj, uas qis dua polyester (5.1 tons ntawm CO ₂). cov
Ultimate Choice Guide
Qhov tseem ceeb tshaj plaws yuav tsum tau muab rau polypropylene spunbond: thaum qhov kev thov rau cov nqi qis, lub teeb yuag, cov tshuaj tiv thaiv dej, pov tseg (xws li lub qhov ncauj qhov ntswg, cov khoom siv tu cev, kev tiv thaiv ib ntus); cov
Qhov tseem ceeb tshaj plaws yuav tsum tau muab rau polyester spunbond: thaum qhov kev thov yog siab zog, siab kub tsis kam, kev laus tsis kam, thiab kev siv mus ntev (xws li cov khoom siv lim, cov khoom siv sab nraum zoov, thiab cov khoom siv hauv tsheb); cov
Cov xwm txheej tshwj xeeb: Xaiv cov khoom siv polypropylene SMS sib xyaw rau kev tiv thaiv kev kho mob siab kawg, polyester zaj duab xis rau kev pom qhov kub thiab txias, thiab UV resistant polypropylene rau kev cog qoob loo mus ntev. cov
Dongguan Liansheng Nonwoven Technology Co., Ltd.tau tsim nyob rau hauv lub Tsib Hlis 2020. Nws yog ib tug loj-scale non-woven npuag ntau lawm enterprise integrating kev tshawb fawb thiab kev loj hlob, ntau lawm, thiab muag khoom. Nws tuaj yeem tsim ntau yam xim ntawm PP spunbond non-woven fabrics nrog qhov dav ntawm tsawg dua 3.2 meters los ntawm 9 grams mus rau 300 grams.
Post lub sij hawm: Sep-23-2025