Kuongororwa kwezvinhu zvikuru zvinokanganisa spunbond nonwoven epanyama zvivakwa

Kuongororwa kwezvinhu zvikuru zvinokanganisa spunbond nonwoven epanyama zvivakwa

Mukugadzirwa kwekugadzirwa kwespunbonded nonwovens, zvinhu zvakasiyana zvinogona kukanganisa hunhu hwechigadzirwa.

Kuongororwa kwezvinhu zvakakura zvinokanganisa machira zvivakwa kunobatsira kudzora mamiriro ezvinhu nenzira kwayo uye kuwana yakanaka PP yakakoswa nonwovens ine mhando yakanaka kuti ikwane vatengi 'kushanda.

1.Polypropylene mhando: yakanyungudika indekisi uye mamorekuru uremu

Iwo makuru emhando indexes epolypropylene zvinhu ari maseru uremu, mamorekuru kurema kugovera, isotacticity, melt index uye madota zvemukati.
Polypropylene vatengesi vari kumusoro kwemaketani epurasitiki, vachipa polypropylene mbishi zvigadzirwa pamakero akasiyana uye magadzirirwo.
Kugadzira spunbond isina kuvezwa, polypropylene mamorekuru uremu kazhinji pamatanho 100,000-250,000. Zvisinei, zvakave zvichiratidza kuti iyo yakanyungudika chivakwa inoshanda zvakanyanya kana mamorekuru uremu hwave kungangoita 120000. Iyo yakanyanya kutenderera kumhanya zvakare yakakwira padanho iri.

Melt index iri paramende inoratidza iyo rheological mamiriro ekunyungudika. Iyo melt index yePP chidimbu che spunbond kazhinji iri pakati pegumi kusvika makumi mashanu.

Iyo diki yekunyungudika indekisi ndeye, iyo yakashata fluidity iri, idiki iyo drafting reshiyo iri, uye yakakura iyo fiber saizi iyo iri pasi pechimiro cheiyo imwechete melt yakabuda kubva kune spinneret, saka nonwovens inoratidza zvakanyanya kuomarara ruoko manzwiro.
Kana melt indekisi yakakura, iyo viscosity yekunyungudika inoderera, iyo rheological chivakwa inouya zvirinani, uye iyo yekunyora kusagadzikana kunodzikira. Pasi pechimwechete chinoshanda mamiriro, iyo yekunyora yakawanda inowedzera. Nekuwedzera kwechiyero cheiyo macromolecule degree, kutyora simba kweasina kurukwa kuchavandudzwa, uye hukuru hweshinda hwuchadzikira, uye jira rinonzwa rakapfava.Nenzira imwecheteyo, iyo yakanyanya melt index, simba rekutsemuka rinoita zvakanyanya .

2. Spinning tembiricha

Iyo yekugadzika kwekutenderera tembiricha kunoenderana neyakanyungudika indekisi yezvinhu zvakagadzirwa uye zvinodiwa zvemuviri zvivakwa zvezvigadzirwa. Iyo yakakwira iyo melt index inoda yakakwira kutenderera tembiricha, uye zvinopesana. Iko kupisa kwekutenderera kunoenderana zvakananga nekunyungudika viscosity. Nekuda kweiyo viscosity yakakwira yekunyungudika, zvinonetsa kutenderera, zvichikonzeresa wakapwanyika, wakaomarara kana wakakora shinda, iyo inokanganisa mhando yezvigadzirwa.

Naizvozvo, kuitira kudzikisa viscosity yekunyungudika uye kugadzirisa rheological zvivakwa zvekunyungudika, kuwedzera tembiricha kunowanzo gamuchirwa. Iko kutonhora kwekutenderera kune simba rakakura pane chimiro uye zvivakwa zvefibisi.

Kana tembiricha yekutenderera ikamira kumusoro, simba rekutyora rakakwira, iko kukatsemuka kudiki, uye jira rinonzwa rakapfava.
Mukuita, iko kutenderera kwekutenderera kunowanzo gadza 220-230 ℃.

3. Kutonhora mwero

Pakugadzira kwekuruka kwakarukwa kusingachinjiki, mwero unotonhorera wehwindi une simba rakakura pazvinhu zvemuviri zveanosukwa asina kurukwa.

Kana fiber yakatonhorera zvishoma nezvishoma, inowana yakagadzika monoclinic kristaro chimiro, iyo isingakodzere kuti shinda idhonze.Naizvozvo, mukuumba maitiro, nzira yekuwedzera iyo inotonhorera mweya vhoriyamu uye kudzikisira tembiricha yekamuri yekutenderera inowanzo shandiswa kunatsiridza kutyora simba uye kudzikamisa kukwirisa kwespunbonded isiri-yakarukwa jira. Uye zvakare, iyo nzvimbo inotonhorera yeiyo yakapindirana zvakare zvine hukama neayo zvivakwa. Mukugadzirwa kwemicheka isina kurukwa yakarukwa, iyo nzvimbo inotonhora inowanzo kuve pakati pe50 cm ne60 cm.

4. Kugadzira Mamiriro

Iyo yekudyidzana dhigirii yemakemuru ngetani mufilament chinhu chakakosha chinhu chinokanganisa kutyora kukwirisa kwe monofilament.
Kufanana uye kutyora simba kwespunbonded nonwovens kunogona kuvandudzwa nekuwedzera kukweva mweya vhoriyamu. Nekudaro, kana iko kukwevera mweya vhoriyamu kwakanyanyisa kukura, zviri nyore kupaza shinda, uye iyo dhiraini yakanyanyisa, iko kutaridzika kwepolymer kunowanzove kwakakwana, uye iko kubwinya kwepolymer kwakanyanya, izvo zvinoderedza kukanganisa simba uye elongation panguva pakakoromoka, uye kuwedzera brittleness, zvichikonzera kuderera kwesimba uye elongation yevasina-rakarukwa jira. Izvo zvinogona kuonekwa kuti simba uye kukwirisa kwespunbonded nonwovens kunowedzera uye kuderera nguva zhinji nekuwedzera kwekuyamwa mweya vhoriyamu. Mukugadzirwa chaiko, maitiro acho anofanirwa kugadziriswa zvinoenderana nezvinodiwa uye mamiriro chaiwo kuitira kuti uwane zvigadzirwa zvemhando yepamusoro.

5. Kupisa kupisa kwekupisa

Mushure mewebhu yakaumbwa nekudhirowa, yakasununguka uye inofanira kusunganidzwa nekupisa kunopisa. Chinokosha kudzora tembiricha uye kumanikidza. Basa rekudziya nderekunyorovesa nekunyungudutsa iyo fiber. Chiyero chemasofa akanyoroveswa uye akasanganiswa anoona hunhu hwePK spunbond isina kuvezwa jira.

Kana tembiricha yatanga yakadzika kwazvo, chidimbu chidiki chefibisi ine yakaderera mamorekuru uremu inonyorova uye inonyungudika, shinda shomanana dzakabatana pamwechete pasi pekumanikidzwa. Iyo tambo muwebhu iri nyore kutsvedza, simba rinotyoka rejira risina kurukwa idiki uye iko kukwirira kwakakura, uye jira rinonzwa rakapfava asi rinogona kuita fuzz;

Kana iyo inopisa inotenderera tembiricha inowedzera, huwandu hwesoft yakanyoroveswa uye yakanyungudika hunowedzera, iyo fiber webhu inosungwa padhuze, kwete nyore kutsvedza. Iko kupwanya simba kweiyo isina-yakarukwa jira inowedzera, uye iko kukwirira kuchiri kwakakura. Zvakare, nekuda kwehukama hwakasimba pakati peiyo tambo, iko kukwirisa kunowedzera zvishoma;

Kana tembiricha ikakwira zvakanyanya, simba rezvisina kuvharwa rinotanga kudzikira, iko kukwirisa kunodzikira zvakanyanya, iwe unonzwa machira achiomarara uye kupwanyika, uye simba rekubvarura rinoderera.Kune zvinhu zvepasi zvakakora, pane tambo shoma pane inopisa rinoputika nzvimbo uye zvishoma kupisa kunodikanwa pakunyorova uye kunyungudika, saka kupisa kunopisa kunopisa kunofanira kudzika. Saizvozvowo, pazvinhu gobvu, iyo inopisa inotenderera tembiricha yakakwira.

6. Kupisa kupisa kwekupisa

Mukubatana kwemaitiro ekupisa kunopisa, basa rekupisa rinopisa chigayo mutsetse ndiko kuita iyo yakanyorova uye yakanyungudika fibha chisungo pamwe chete padhuze, kuwedzera kubatana pakati peiyo tambo, uye kuita kuti tambo dzisave nyore kutsvedza.

Kana iyo inopisa-yakakungurutswa mutsara kumanikidza kuri kushoma, iyo fiber dhivha panzvimbo yekutsimbirira iri murombo, iyo fiber yekubatanidza kusimba haina kukwirira, uye kubatana pakati pefibisi kwakashata. Panguva ino, ruoko rwunonzwa rwezvakarukwa zvisina kurukwa jira rakapfava, iyo elongation panguva yekuzorora yakati kurei, asi iyo yekuvhuna simba iri yakaderera;
zvinopesana, kana tambo yekumanikidza yakanyanya kukwirisa, ruoko rwekunzwa rwejira rakarukwa risina-rakarukwa rakaomarara, uye kukwirisa panguva yekuzorora kwakadzikira Asi simba rekutyora rakakwira. Iyo yekuisa inopisa kupisa rolling ine zvakawanda zvine chekuita nehuremu uye ukobvu hweasina-dzakarukwa machira. Kuti ugadzire zvigadzirwa zvinosangana nezvido zvekuita, zvinodikanwa kuti usarudze yakaringana inopisa kupisa rolling zvinoenderana nezvinodiwa.

Mune izwi, izvo zvinoonekwa zvemachira asina-kurukwa ndiwo mhedzisiro yekudyidzana kwezvinhu zvakawanda. Kunyange iwoye machira makobvu, akasiyana machira mashandisiro angangoda akasiyana tekinoroji maitiro Ndosaka mutengi achigumburwa akabvunzwa kushandiswa kwejira. ronga kugadzirwa nefecfic chinangwa uye upe anodiwa mutengi iro rinogutsikana rakanyanya nonwoven jira.

Sezvo makore gumi nematanhatu mugadziri, Fuzhou Heng Hua Nyowani Zvinyorwa Co., Ltd. vane chivimbo vanopa machira zvinoenderana vatengi 'kudiwa. Isu tanga tichitumira kune dzimwe nyika dzakasiyana uye matunhu uye takarumbidzwa zvikuru nevashandisi.

Welcome tinobvunza isu uye kutanga refu-pamwe pamwe Henghua Nonwoven!


Post nguva: Kubvumbi-16-2021

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