SMS isiyo ya kusuka kitambaa ambayo | JINHAOCHENG

Masks ni vitambaa visivyo kusuka, ambavyo ni vitambaa visivyo na kusuka tofauti na vitambaa vya nguo, na vinajumuisha nyuzi za mwelekeo au za kubahatisha.

Masks ya matibabu kwa ujumla ni miundo yenye tabaka nyingi, ambayo hujulikana kama miundo ya SMS (2 S na 1 M matabaka) Hivi sasa, idadi kubwa zaidi ya tabaka nchini China ni 5, ambayo ni SMMMS (tabaka 2 S na tabaka 3 M).

SMS ni nini?

https://www.jhc-nonwoven.com/products/melt-blown-mon-woven-fabric

Hapa, S inasimama kwa safu ya Spunbond. Upeo wa nyuzi ni nene, kama microns 20 (m). Kazi kuu ya matabaka 2 Sp Spondbond ni kuunga mkono muundo wote wa kitambaa kisichosokotwa, ambacho hakina athari kubwa kwa kizingiti. Sehemu muhimu zaidi ya kinyago ni safu ya kizuizi au safu ya Meltblown M (Meltblown safu). Upeo wa safu ya dawa iliyoyeyuka ni nyembamba, kama microns 2 (M), kwa hivyo ni moja tu ya kumi ya kipenyo cha safu ya spunbonding, ambayo ina jukumu muhimu katika kuzuia bakteria na kupenya kwa damu.

https://www.jhc-nonwoven.com/disposable-medical-mask-jinhaocheng.html

Masks ya matibabu ya kawaida hutumia kuyeyuka kitambaa cha dawa chenye uzito wa gramu 20, masks ya kikombe cha N95 hutumia kitambaa cha dawa cha kuyeyusha chenye gramu 40 au zaidi.

Kulingana na takwimu za Chama cha Viwanda cha Nguo cha China, ifikapo mwisho wa 2018, kuna laini za uzalishaji wa ndani 1,477, 65 zaidi ya ile ya mwaka uliopita, na ongezeko la mwaka hadi mwaka la 4.6%, kati ya hizo, PP laini ya uzalishaji isiyosokotwa iliyosokotwa imeongezeka kwa 3.38%, laini ya utengenezaji wa SMS na karibu 13%, na laini ya uzalishaji isiyo ya kusuka iliyosokotwa na PET iliongezeka na 9.32% Idadi ya kampuni zilizo na pato la kila mwaka zaidi ya tani 50,000 pia zimeongezeka kutoka 2017. zinaongeza kasi ya maendeleo yao kuelekea kiwango, uimarishaji na kiwango cha juu ili kukidhi mahitaji ya soko ya uboreshaji wa bidhaa na uboreshaji wa teknolojia.

Tangu 2018, biashara nyingi za nyumbani zimetengeneza bidhaa zao kwa mwelekeo mwepesi, mwembamba na utendaji wa hali ya juu, na wamepata matokeo mazuri.SMSM spunbonded / molten shotcreting composite process 600m / min au juu ya operesheni ya kasi; Karibu gramu 10 kwa kila mita ya mraba laini laini bidhaa nyepesi zenye ubora thabiti zinaendelea kujitokeza.

https://www.jhc-nonwoven.com/disposable-medical-mask-jinhaocheng.html

Kitambaa kisicho kusokotwa cha SMS kinatoka wapi?

Vitambaa vya SMS visivyo kusukwa vimetengenezwa hasa kutoka polypropen PP (na mali asili ya bakteria na hydrophobicity), na kipenyo cha nyuzi kinaweza kufikia microns 0.5-10. Nyuzi hizi za ultrafine zilizo na nguvu ya kipekee huongeza kiwango na eneo la nyuzi kwa kila eneo la kitengo, na hivyo kuzifanya vitambaa vilivyonyunyiziwa vyenye mali nzuri ya kuchuja hewa, na kuzifanya kuwa nyenzo nzuri ya kinyago.

At present, there are three main processes for manufacturing SMS products (SMS non-woven fabric) : "one-step process", "two-step process" and "one-and-a-half step process".

One-step features is the use of raw materials section of this process, using two spun-bonded, melt-blown technology, direct spinning raw material after melting into the nets, as long as reasonable arrangement of different process of spinning systems engineering, and can make the products with different structure, each layer fabric laminated composite, is usually with a hot rolling mill consolidation into cloth."One-step method" is characterized by melting directly spinning into a net, the state of each spinning system can be independently adjusted, the production process of strong control, good health conditions, high speed, can adjust the proportion of each layer of fiber net, can produce SMS type products of various specifications, is the mainstream technology today.

Two-step process: When using the two-step process to produce SMS products, the finished products of spunbonded cloth and melt-sprayed cloth are unrolled in a certain order, and then laminated in a sequence, and then consolidated with a hot mill, and compounded into SMS products.The two-step method is characterized by simple equipment and low cost.In fact, the "two-step" process is the widely used lamination composite technology, but also can be composite of other materials, with different other materials, and with different methods, such as ultrasonic, hot melt adhesive three layers of materials together.

One-and-a-half step method: in two-step method, it is also possible to replace the molten spraying cloth product with the molten spraying layer fiber net produced in the field, thus derived the so-called "one-half step method" composite process.The spunbonded cloth is used as the bottom layer and the surface layer by two unwinding devices, and the melt spraying fiber net of the middle layer is directly spun into a net by the melt spraying system, laid on the bottom layer of the spunbonded cloth, and then covered with the upper layer of the spunbonded cloth, it is better to use a hot mill consolidated into SMS products.


Wakati wa kutuma: Sep-14-2020
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