Polyethylene Resin - Material Encyclopedia

Kodi polyethylene resin ndi chiyani

Polyethylene utomoni ndi mkulu polima pawiri wopangidwa ndi polymerization wa mamolekyu ethylene. Komanso ndi imodzi mwa mapulasitiki omwe amagwiritsidwa ntchito kwambiri padziko lonse lapansi. Zili ndi makhalidwe otsika kwambiri, mphamvu zambiri, kukana kwa dzimbiri, kukana kutentha, kosavuta kukalamba, kukonza kosavuta, ndi zina zotero.

Mtengo wa utomoni wa polyethylene

Malinga ndi kuwunika kwa msika wazinthu zamafakitale, mtengo wonse wa polyethylene wawonetsa kusinthasintha kwazaka zingapo zapitazi. Deta yeniyeni ndi iyi:

• Mu 2022: Kumayambiriro kwa chaka, mtengo wa polyethylene unali pafupifupi madola 9,000-9,500 US pa tani, ndipo pofika kumapeto kwa chaka, unakwera pafupifupi 12,000-13,000 madola US pa tani.
• Mu 2021: Kumayambiriro kwa chaka, mtengo wa polyethylene unali pafupifupi madola 1,000-1,100 US pa tani, ndipo pofika kumapeto kwa chaka, unakwera pafupifupi 1,250-1,350 madola US pa tani.
• Mu 2020: Kumayambiriro kwa chaka, mtengo wa polyethylene unali pafupifupi madola 1,100-1,200 aku US pa tani, ndipo pofika kumapeto kwa chaka, udatsika pafupifupi 800-900 madola aku US pa tani.
• Mu 2019: Kumayambiriro kwa chaka, mtengo wa polyethylene unali pafupifupi madola 1,000-1,100 US pa tani, ndipo pofika kumapeto kwa chaka, unakwera pafupifupi 1,300-1,400 madola US pa tani.

Mitundu ya utomoni wa polyethylene

Polyethylene ndi yofunika kwambiri polima thermoplastic, yomwe imatha kugawidwa m'mitundu ingapo molingana ndi njira zopangira ndi ma cell:
Low-density polyethylene (LDPE): Ili ndi mikhalidwe yocheperako, yofewa, ductility yabwino, komanso kuwonekera kwambiri. Amagwiritsidwa ntchito m'minda ya filimu yonyamula, matumba apulasitiki, mabotolo, etc.

• Linear low-density polyethylene (LLDPE): Poyerekeza ndi LDPE, LLDPE ili ndi mawonekedwe ofananirako a mamolekyulu, kulimba kwamphamvu kwambiri, komanso kukana kwamphamvu, ndipo ndiyoyenera kupanga matumba apulasitiki, mafilimu, ndi zinthu zina.
• High-density polyethylene (HDPE): Ili ndi kulemera kwakukulu kwa maselo ndi kachulukidwe, kuuma kwakukulu, kulimba, ndi mphamvu, ndipo nthawi zambiri imagwiritsidwa ntchito popanga mapaipi amadzi, ng'oma zamafuta, mabokosi, ndi zina zotero.
• Polyethylene yapamwamba kwambiri ya molekyulu (UHMWPE): Ili ndi kulemera kwambiri kwa mamolekyu komanso kukana kuvala kwambiri, ndipo imagwiritsidwa ntchito makamaka popanga magawo otsetsereka, mayendedwe, ma gaskets, ndi zina zambiri.
• Cross-zogwirizana polyethylene (XLPE): Pogwirizanitsa mamolekyu a polyethylene kupyolera mu njira yolumikizirana, imakhala ndi kutentha kwabwino komanso kukana kwa dzimbiri, ndipo imagwiritsidwa ntchito kwambiri m'madera a zingwe, mawaya, zipangizo zotetezera, ndi zina zotero.

Zofunikira za utomoni wa polyethylene

Polyethylene utomoni ndi polima pawiri, ndi makhalidwe ake dependi magawo ake ogwiritsira ntchito ndikugwiritsa ntchito. Nazi zina zodziwika bwino za polyethylene:
1. Kachulukidwe: Kuchulukana kwa polyethylene kumatha kuchoka pa 0.91 g/cm³ mpaka 0.97 g/cm³.
2. Kulemera kwa molekyulu: Kulemera kwa molekyulu ya polyethylene kungasiyanenso, kuyambira masauzande mpaka mamiliyoni.
3. Malo osungunuka: Posungunuka wa polyethylene nthawi zambiri amakhala pakati pa 120°C ndi 135°C.
4. Maonekedwe: Polyethylene ikhoza kukhala yoyera, yowonekera, kapena yowonekera.
5. Kutentha kwa kutentha: Kutentha kwa polyethylene kungathenso kusiyana, kuyambira -70 ° C mpaka 130 ° C.
6. Ntchito: Ntchito za polyethylene zimathanso zosiyanasiyana, monga mafilimu, mapaipi, matumba apulasitiki, mabotolo, ndi zina zotero.

Makhalidwe a utomoni wa polyethylene

1. Opepuka: Utomoni wa polyethylene ndi pulasitiki wopepuka, wopepuka kuposa madzi, wokhala ndi kachulukidwe pafupifupi 0.91-0.96g/cm³.
2. Kusinthasintha: Polyethylene imakhala yabwino kusinthasintha komanso pulasitiki, ndipo imatha kupangidwa mosiyanasiyana kudzera mu kutentha, kukanikiza, kutambasula, ndi njira zina.
3. Kukana kuvala kwabwino: Polyethylene ili ndi kukana kwabwino kwa mavalidwe ndipo imatha kukana zinthu zina zamakina ndi kuwononga chilengedwe.
4. Kuwonekera kwambiri: Polyethylene imakhala yowonekera bwino ndipo imatha kugwiritsidwa ntchito kupanga zinthu zapulasitiki zowonekera.
5. Mphamvu yolimba kwambiri: Polyethylene imakhala ndi mphamvu zolimba kwambiri ndipo ndi chinthu cholimba.
6. Kukana kwabwino kwa kutentha kochepa: Polyethylene imakhala ndi ntchito yabwino yotsika kutentha, sikophweka kukhala brittle, ndipo ingagwiritsidwe ntchito kupanga zotengera zotentha kwambiri.
7. Kukana kwamphamvu kwamankhwala: Polyethylene imakhala ndi kukana kwamankhwala abwino ndipo imatha kupirira kuwonongeka kwa ma acid, alkalis, salt, ndi zinthu zina zama mankhwala.
8. Kutchinjiriza kwamagetsi kwabwino: Polyethylene ndi chinthu chabwino chotchinjiriza ndipo chitha kugwiritsidwa ntchito kupanga zingwe, machubu amawaya, ndi zinthu zina.

Kugwiritsa ntchito polyethylene utomoni

Polyethylene resin ndi zinthu zapulasitiki zomwe zimagwiritsidwa ntchito kwambiri ndi izi:
1. Kupaka: matumba a polyethylene, mabotolo apulasitiki, mabokosi apulasitiki, filimu yotsamira, etc.
2. Zomangamanga: Mapaipi a polyethylene, zipangizo zotetezera, zipangizo zopanda madzi, filimu yapansi, etc.
3. Pakhomo: Mipando ya pulasitiki, migolo ya pulasitiki, zinyalala za pulasitiki, mabotolo otsukira, miphika yamaluwa yapulasitiki, ndi zina zotero.
4. Medical: matumba kulowetsedwa, zida opaleshoni, zipangizo zachipatala, etc.
5. Magalimoto: Zigawo za polyethylene, zamkati zamagalimoto, etc.
6. Zamagetsi: Zipolopolo za pulasitiki, zipangizo zotetezera waya, etc.
7. Zamlengalenga: Zida za polyethylene zimagwiritsidwa ntchito kwambiri pazamlengalenga, monga zida za ndege, masuti amlengalenga, zipolopolo za missile, etc.

Ponseponse, polyethylene imakhala ndi ntchito zambiri m'moyo watsiku ndi tsiku.

Kapangidwe ka polyethylene utomoni

Polyethylene ndi polima wopangidwa ndi polymerization wa ethylene monomers, ndi chilinganizo mankhwala a (C2H4) n, kumene n ndi digiri ya polymerization. Mapangidwe a molekyulu a polyethylene ndi mzere, wopangidwa ndi ma ethylene monomers ambiri olumikizidwa ndi ma covalent bond. Molekyu iliyonse ya ethylene monomer ili ndi maatomu awiri a kaboni, omwe amalumikizidwa ndi mgwirizano wapawiri kuti apange dongosolo lolumikizana. Panthawi ya polymerization, zomangira ziwirizi zimathyoledwa kuti zikhale zomangira limodzi, motero kupanga unyolo waukulu wa polyethylene. Palinso magulu ena am'mbali mu molekyulu ya polyethylene, yomwe nthawi zambiri imakhala maatomu a haidrojeni, ndipo amalumikizidwa ndi ma atomu a kaboni a unyolo waukulu ndi ma bondi amodzi. Mapangidwe azinthu za polyethylene amatsimikizira kuti ali ndi thupi komanso mankhwala, monga kachulukidwe, malo osungunuka, kufewetsa, etc.

Mitundu ya utomoni wa polyethylene

Utomoni wa polyethylene ndi polima wofunikira wa thermoplastic yemwe atha kugawidwa m'mitundu ingapo kutengera njira zopangira ndi ma cell:
1. Polyethylene yotsika kwambiri (LDPE): Ili ndi kachulukidwe kakang'ono, kufewa, ductility wabwino, komanso kuwonekera kwambiri. Amagwiritsidwa ntchito m'minda ya filimu yonyamula, matumba apulasitiki, mabotolo, etc.
2. Linear low-density polyethylene (LLDPE): Poyerekeza ndi LDPE, LLDPE ili ndi mawonekedwe ofananirako a mamolekyu, mphamvu zolimba kwambiri, komanso kukana, ndipo ndi yoyenera kupanga matumba apulasitiki, mafilimu, ndi zina zotero.
3. High-density polyethylene (HDPE): Ili ndi kulemera kwakukulu kwa maselo ndi kachulukidwe, kuuma kwakukulu, kulimba, ndi mphamvu, ndipo nthawi zambiri amagwiritsidwa ntchito popanga mapaipi amadzi, ng'oma zamafuta, mabokosi, ndi zina zotero.
4. Koposa kwambiri molecular kulemera polyethylene (UHMWPE): Iwo ali mkulu kwambiri maselo kulemera ndi kwambiri avale kukana, makamaka ntchito kupanga kutsetsereka mbali, fani, gaskets, etc.
5. Mtanda wa polyethylene (XLPE): Mamolekyu a polyethylene amagwirizanitsidwa ndi njira zolumikizirana, zomwe zimakhala ndi kutentha kwabwino komanso kukana kwa dzimbiri, ndipo zimagwiritsidwa ntchito kwambiri m'madera a zingwe, mawaya, zipangizo zotetezera, ndi zina zotero.

Makhalidwe a polyethylene resin

1. Utoto wa polyethylene uli ndi kukana bwino kwa dzimbiri komanso kukana mwamphamvu kuzinthu zama mankhwala monga ma acid, alkali, ndi mchere.
2. Polyethylene imakhala yolimba kwambiri ndipo simavalidwa, kudula, kapena kupunduka.
3. Polyethylene ili ndi conductivity yabwino ndipo ndiyoyenera kupanga zipangizo zamagetsi monga mawaya ndi zingwe.
4. Polyethylene imakhala ndi kutentha kwabwino kwambiri ndipo imatha kukhalabe yokhazikika m'malo otentha kwambiri.
5. Polyethylene imakhala ndi kukana kuzizira kwambiri ndipo imatha kukhala yolimba komanso yolimba m'malo otsika kwambiri.
6. Polyethylene imakhala yowonekera kwambiri komanso yonyezimira, yoyenera kupanga zinthu zopangira zowonekera, matumba apulasitiki, ndi zina zambiri.
7. Polyethylene ali processability wabwino ndipo akhoza kukonzedwa ndi jekeseni akamaumba, kuwomba akamaumba, extrusion, etc.

Kodi polyethylene resin kusinthidwa ndi chiyani

Kusintha kwa utomoni wa polyethylene ndi njira yosinthira zinthu zake zakuthupi ndi zamankhwala pobweretsa mankhwala ena mu molekyulu ya polyethylene. Mankhwalawa akhoza kukhala monomers, copolymers, crosslinking agents, zowonjezera, etc. Mwa kusintha polyethylene maselo dongosolo, maselo kulemera kugawa, crystallinity, kusungunuka mfundo, matenthedwe bata, makina katundu, pamwamba katundu, etc., makhalidwe ake ndi ntchito zingasinthidwe. . Polyethylene ndi pulasitiki yogwiritsidwa ntchito kwambiri yokhala ndi makina abwino, kukana mankhwala, kawopsedwe kochepa, kuyamwa kwamadzi otsika, komanso kukana kukalamba. Komabe, kutsika kwake kosungunuka, kusakhazikika kosakwanira, kusagwira bwino kwa kutentha, ndi kusakwanira kwamafuta kumachepetsa kugwiritsa ntchito kwake. Kusintha kwa polyethylene kumatha kupititsa patsogolo ntchito yake. Mwachitsanzo, kuyambitsa kuchuluka kwa acrylic acid monomer mu polyethylene kumatha kusintha kukana kwake kutentha komanso makina; kuwonjezera mapulasitiki ku polyethylene kumatha kusintha kusinthasintha kwake ndi ductility; kuwonjezera nanoparticles kuti polyethylene akhoza kusintha mphamvu zake ndi stiffness, etc.

Njira yopanga polyethylene resin

Polyethylene resin ndi thermoplastic material, ndipo kupanga kwake nthawi zambiri amagawidwa m'magulu otsatirawa:eps:

1. Kukonzekera kwazinthu zopangira: Zopangira polyethylene ndi gasi wa ethylene, womwe nthawi zambiri umachokera kumafuta amafuta, gasi, kapena malasha. Mpweya wa ethylene uyenera kuthandizidwa kale, monga kutaya madzi m'thupi ndi desulfurization, musanalowe mu polima.
2. Polymerization reaction: Mu polymerization riyakitala, mpweya wa ethylene umakhala ndi polymerization kudzera munjira zopondereza kwambiri kapena zotsika kwambiri. Mkulu-anzanu polymerization nthawi zambiri ikuchitika pansi 2000-3000 atmospheres, ndipo amafuna chothandizira, kutentha, ndi kuthamanga kwambiri kulimbikitsa polymerization anachita; otsika-anzanu polymerization ikuchitika pansi 10-50 atmospheres, ndipo amafuna chothandizira ndi kutentha kulimbikitsa polymerization anachita.
3. Chithandizo cha polima: The polima analandira pambuyo polymerization anachita ayenera kuthandizidwa, kawirikawiri kuphatikizapo psinjika, shredding, kusungunuka, processing, etc.
4. Pelletizing: Pambuyo polima ndi kukonzedwa ndi extrusion, kudula, ndi njira zina, izo wapangidwa polyethylene particles zoyendera ndi kusunga.
5. Kuumba: Pambuyo particles polyethylene ndi usavutike mtima ndi kusungunuka, iwo kuumbidwa mu akalumikidzidwa zosiyanasiyana ndi makulidwe a mankhwala polyethylene kudzera jekeseni akamaumba, extrusion, kuwomba akamaumba, ndi njira akamaumba.

Kodi polyethylene resin ndi poizoni?

Polyethylene resin palokha si mankhwala oopsa, zigawo zake zazikulu ndi carbon ndi haidrojeni, ndipo mulibe zinthu zoopsa. Chifukwa chake, zinthu za polyethylene zokha sizipanga zinthu zapoizoni. Komabe, mankhwala ena angagwiritsidwe ntchito popanga zinthu za polyethylene, monga zopangira, zosungunulira, ndi zina zotero, zomwe zingakhale zovulaza thanzi laumunthu. Panthawi imodzimodziyo, mpweya woipa monga organic organic compounds ukhoza kupangidwa panthawi yokonza zinthu za polyethylene, ndipo njira zoyenera zoyendetsera mpweya ziyenera kuchitidwa. Kuonjezera apo, zinthu za polyethylene zikatenthedwa ndi kutentha kwakukulu, zinthu zovulaza monga carbon monoxide ndi carbon dioxide zimatulutsidwa, choncho njira zotetezera ziyenera kuchitidwa potentha. Nthawi zambiri, polyethylene palokha si chinthu chapoizoni, koma popanga ndi kukonza zinthu za polyethylene, chidwi chiyenera kulipidwa pachitetezo chogwiritsa ntchito ndikugwiritsa ntchito mankhwala, ndipo njira zodzitetezera ziyenera kutengedwa mukamagwiritsa ntchito ndikugwira zinthu za polyethylene.

Chiyembekezo cha chitukuko ndi ntchito ya polyethylene pulasitiki thumba

Mbiri yachitukuko: Matumba apulasitiki a polyethylene adawonekera koyamba m'zaka za m'ma 1950 ndipo amagwiritsidwa ntchito makamaka kulongedza zinthu zaulimi ndi katundu wamafakitale. Ndi chitukuko cha zachuma komanso kusintha kwa moyo wa anthu, kufunikira kwa matumba apulasitiki a polyethylene kunakula pang'onopang'ono, ndipo mavuto ena owononga chilengedwe adayambanso. Pofuna kuthetsa mavutowa, anthu anayamba kufufuza njira yokhazikika ya matumba apulasitiki a polyethylene, monga kugwiritsa ntchito zipangizo zatsopano monga mapulasitiki owonongeka ndi kulimbikitsa njira zobwezeretsanso.

Zoyembekeza zogwiritsa ntchito: Ndi chitukuko cha chuma padziko lonse lapansi komanso kuchuluka kwa chidziwitso cha chilengedwe cha anthu, chiyembekezo chogwiritsa ntchito matumba apulasitiki a polyethylene chikadali chachikulu. Kuwonjezera pa chikhalidwe ma CD munda, matumba polyethylene pulasitiki Angagwiritsidwenso ntchito ulimi, mankhwala, kuteteza zachilengedwe ndi madera ena, monga ntchito gulu zinyalala, kutaya zinyalala zachipatala, filimu ulimi, etc. M'tsogolo, ndi mosalekeza luso. ukadaulo, magwiridwe antchito a matumba apulasitiki a polyethylene adzapititsidwa patsogolo, monga kuwongolera mphamvu, kupititsa patsogolo kupuma, kuthamangitsa liwiro lowonongeka, ndi zina zambiri. Pa nthawi yomweyi, zida zatsopano zowongoka komanso zokhazikika, monga ma polima a biodegradable, zidzatulukanso.

Thupi ndi mankhwala zimatha polyethylene utomoni

Polyethylene utomoni ndi thermoplastic polima ndi zotsatirazi thupi ndi mankhwala makhalidwe:

1. Makhalidwe athupi:

Kachulukidwe: Kuchulukana kwa polyethylene kumakhala kochepa, nthawi zambiri kumakhala pakati pa 0.91-0.93g/cm3, kupangitsa kukhala pulasitiki yopepuka.
Transparency: Polyethylene imakhala yowonekera bwino komanso kufalikira kwamphamvu kwa kuwala, kumapangitsa kuti ikhale yoyenera kugwiritsidwa ntchito pakuyika ndi zina.
Kukana kutentha: Polyethylene imakhala ndi kukana kutentha ndipo ingagwiritsidwe ntchito pa kutentha kwa 60-70 ℃.
Kukana kuzizira: Polyethylene imakhala yabwino kukana kuzizira ndipo imatha kugwiritsidwa ntchito m'malo otsika kwambiri.
Makina amakina: Polyethylene ili ndi mawonekedwe abwino amakina, kuphatikiza mphamvu zamakina, zotanuka modulus, mphamvu yamphamvu, ndi zina zambiri.

2. Makhalidwe a Chemical:

Kukhazikika kwa Chemical: Polyethylene imalimbana bwino ndi mankhwala ambiri pa kutentha kwa chipinda, koma kukhudzana ndi zinthu zomwe zimawononga ma okosijeni amphamvu, ma asidi amphamvu, ndi alkalis amphamvu kuyenera kupewedwa.
Kusungunuka: Polyethylene sisungunuka mu zosungunulira za organic, koma zimatha kusungunuka pang'ono muzosungunulira zotentha.
Kuyaka: Polyethylene imatha kuyaka ndipo imatulutsa utsi wakuda ndi mpweya wapoizoni ikayaka, motero kupewa moto ndi kuphulika kuyenera kuganiziridwa panthawi yopanga ndikugwiritsa ntchito.
Kuwonongeka: Polyethylene imawonongeka pang'onopang'ono ndipo nthawi zambiri imatenga decades kwa zaka mazana kuti awonongeke kotheratu, kuchititsa chidwi kwambiri pa chilengedwe.

Kugwiritsa ntchito ndi kusanthula kwa msika wa filimu ya polyethylene m'munda wolongedza

Filimu ya polyethylene ndi chinthu chomwe chimagwiritsidwa ntchito nthawi zambiri, ndipo ntchito zake m'munda wolongedza zimakhala ndi izi:

1. Kupaka chakudya: Filimu ya polyethylene ikhoza kupangidwa kukhala matumba opangira chakudya, filimu yosungira chakudya, ndi zina zotero, ndi kukana kutentha kwabwino, kukana mafuta, ndi kukana chinyezi, kuteteza bwino ubwino ndi ukhondo wa chakudya.
2. Kupaka zachipatala: Filimu ya polyethylene ikhoza kupangidwa kukhala matumba opangira mankhwala, filimu yosungiramo mankhwala, ndi zina zotero, zokhala ndi mankhwala abwino komanso otsika kutentha, kuteteza ubwino ndi chitetezo cha mankhwala.
3. Kupaka kwaulimi: Filimu ya polyethylene imatha kupangidwa kukhala filimu yaulimi, filimu yotenthetsera kutentha, ndi zina zotero, zokhala ndi chinyezi chabwino, kukana mvula, komanso kuteteza kutentha, kupititsa patsogolo zokolola ndi khalidwe.
4. Kupaka kwa mafakitale: Filimu ya polyethylene ikhoza kupangidwa kukhala matumba, mafilimu opyapyala, ndi zina zotero kuti zigwiritsidwe ntchito m'mafakitale, ndi kukana kwabwino kwa avale, kukana kwa dzimbiri kwa mankhwala, fumbi, ndi zinthu zina, kuteteza bwino katundu wa mafakitale.

Pakadali pano, kufunikira kwa msika wa filimu ya polyethylene m'munda wolongedza kukukulirakulira chaka ndi chaka, makamaka chifukwa cha izi:

1. Kukula kosalekeza kwamakampani onyamula katundu: Ndi kukweza kwa kagwiritsidwe ntchito kazinthu komanso kupanga ma network a Logistics, kufunikira kwamakampani onyamula katundu kukukulirakulira, ndikuyendetsa kufunikira kwa msika wa filimu ya polyethylene.
2. Kuwonjezeka kwa chitetezo cha chakudya ndi chidziwitso cha chilengedwe: Ndi chidwi chowonjezeka cha ogula ku chitetezo cha chakudya ndi chitetezo cha chilengedwe, zofunikira za zipangizo zonyamula katundu zikukwera kwambiri, ndipo filimu ya polyethylene ili ndi ubwino wina pankhaniyi.
3. Kupititsa patsogolo zaulimi wamakono: Kukula kwaulimi kumafunikira zida zonyamula zambiri, ndipo filimu ya polyethylene ili ndi chiyembekezo chamsika wamsika pamapaketi aulimi.

Kubwezeretsanso komanso kuteteza chilengedwe kufunika kwa polyethylene

Kubwezeretsanso ndikugwiritsanso ntchito polyethylene kuli ndi tanthauzo lalikulu la chilengedwe, zomwe zitha kuwonetsedwa muzinthu izi:

• Kasungidwe kazinthu: Kubwezeretsanso ndikugwiritsanso ntchito polyethylene kumatha kuchepetsa kufunikira kwa zida zatsopano, kusunga zinthu, ndikulimbikitsa chitukuko chokhazikika.
• Kuchepetsa zinyalala: Kubwezeretsanso ndikugwiritsanso ntchito polyethylene kumatha kuchepetsa kutulutsa zinyalala, kuchepetsa zolemetsa zachilengedwe, komanso kulimbikitsa chitetezo cha chilengedwe.
• Kuchepetsa mpweya wa carbon: Kupanga polyethylene kumafuna mphamvu yochuluka, ndipo kukonzanso ndikugwiritsanso ntchito kungachepetse kugwiritsa ntchito mphamvu, kuchepetsa mpweya wa carbon, ndi kuthandizira kusintha kwa nyengo.

Pali njira zingapo zobwezeretsanso polyethylene:

• Kubwezeretsanso kumakina: Zinyalala za polyethylene zimaphwanyidwa, kutsukidwa, zowumitsidwa, kenako nkupangidwa kukhala ma pellets, mapepala, mafilimu, ndi mitundu ina kuti igwiritsidwenso ntchito.
• Kubwezeretsanso mankhwala: Zinyalala za polyethylene zimasinthidwa kukhala zinthu zachilengedwe kapena mphamvu kudzera mu njira zama mankhwala, monga kusweka kwa polyethylene catalytic kuti apange mafuta.
• Kubwezeretsanso mphamvu: Zinyalala za polyethylene zimagwiritsidwa ntchito pakugwiritsa ntchito mphamvu zotentha, monga kuyatsa ndi kupanga magetsi.

Kugwiritsa ntchito ndi chiyembekezo chakukula kwa zinthu za polyethylene pantchito yomanga

Zida za polyethylene resin zimakhala ndi ntchito zosiyanasiyana pamakampani omanga, makamaka kuphatikiza izi:

• Zipangizo zomangira zomangira: Khothi la thovu la polyethylene ndi chinthu chabwino kwambiri chotchinjiriza chomwe chitha kugwiritsidwa ntchito potsekera makoma, madenga, pansi, ndi mbali zina.
• Mapaipi a mapaipi: Mapaipi a polyethylene ali ndi ubwino wokana dzimbiri, kukana kuvala, ndi kulemera kochepa, ndipo amatha kugwiritsidwa ntchito popanga mapaipi amadzi ozizira ndi otentha, mapaipi otenthetsera, ndi ntchito zina m'nyumba.
• Zipangizo zotetezera: Zida zotetezera polyethylene zimagwiritsidwa ntchito kwambiri m'madera otsekemera, kuteteza kutentha, ndi kuteteza madzi m'nyumba.
• Filimu yapansi: Kanema wapansi wa polyethylene atha kugwiritsidwa ntchito potsimikizira chinyezi komanso kutchinjiriza mnyumba.
• Zopangira Zopanga: Zida za polyethylene zimagwiritsidwa ntchito kwambiri popanga mikwingwirima yokumba, yokhazikika komanso yokongola.

Chiyembekezo cha chitukuko cha zida za polyethylene resin mumsika womanga ndikulonjeza, chifukwa zitha kukwaniritsa kufunikira kwachitetezo champhamvu, kuteteza chilengedwe, komanso chitukuko chokhazikika. Ndi kuwongolera kosalekeza kwaukadaulo wopanga komanso kupanga mapulogalamu atsopano, zida za polyethylene zikuyembekezeka kugwira ntchito yofunika kwambiri pantchito yomanga.

Kugwiritsa ntchito polyethylene resin mu zokutira ufa

Utomoni wa polyethylene umagwiritsidwa ntchito kwambiri popaka ufa. Kupaka ufa ndi zokutira zopanda zosungunulira, zosasunthika zomwe zimateteza chilengedwe, kuchita bwino kwambiri, komanso zabwino zopulumutsa mphamvu. Utomoni wa polyethylene ndi chinthu chofunikira chopangira zokutira ufa, chomwe chimagwiritsidwa ntchito m'malo otsatirawa:

• Utomoni wa polyethylene ukhoza kugwiritsidwa ntchito ngati chinthu chachikulu chopangira filimu ya zokutira ufa, zomatira bwino, kukana kuvala, ndi kukana kwanyengo, zomwe zimatha kuteteza pamwamba pa chinthu chokutidwa ndi dzimbiri ndi makutidwe ndi okosijeni.
• Utomoni wa polyethylene ukhoza kugwiritsidwa ntchito ngati pulasitiki wa zokutira za ufa, zomwe zimatha kusintha kusinthasintha komanso kukana kwa ❖ kuyanika, ndikupangitsa kuti ❖ kuyanika kukhala kolimba.
• Utoto wa polyethylene ukhoza kugwiritsidwa ntchito ngati njira yosinthira zokutira ufa, zomwe zimatha kusintha gloss ndi kusalala kwa pamwamba, ndikupangitsa kuti zokutirazo zikhale zokongola kwambiri.
• Utomoni wa polyethylene ukhoza kugwiritsidwa ntchito ngati antioxidant pakupaka ufa, womwe ungatalikitse moyo wautumiki wa zokutira ndikuwongolera kulimba kwake.

Mwachidule, kugwiritsa ntchito utomoni wa polyethylene mu zokutira ufa kumatha kupititsa patsogolo magwiridwe antchito ndi mtundu wa zokutira, ndikukwaniritsa zofunikira zoteteza chilengedwe komanso kukhala ndi chiyembekezo chachikulu chamsika.