Polyethylene Plastiki (PE)

* PE ipurasitiki yepolyethylene, inogona kugadzirwa kuita purasitiki, mabhegi epurasitiki nezvimwe zvikamu zvakasiyana. Kuti kuderedze kusvibiswa kwepurasitiki, zvinhu zvinokuvadza zvinogona kuwedzerwa kupurasitiki kuti zvibudirire nekukurumidza, rudzi urwu rwepolyethylene runonzi mapurasitiki asingakuvadzi nharaunda. Rwakareruka, runogara kwenguva refu, uye rumwe rwepurasitiki inonyanya kugadzirwa.

* Zvigadzirwa zvepurasitiki zvePE kana zvikamu zvakagadzirwa

SIMBA

INORAMBA KUSHANDISWA

Hunhu Hwakanaka hweMagetsi

Chii chinonzi PE Plastiki?

Polyethylene inonzi PE, ipurasitiki inogadzirwa ne polymerization ye ethylene, ndiyo chimiro che polymer organic compounds iri nyore, PE polyethylene polymer zvinhu zvinonyanya kushandiswa pasi rose, polymerization ye ethylene, zvichienderana nehuwandu hwakasiyana hwakakamurwa kuva polyethylene yakakwira, polyethylene yapakati uye polyethylene yakaderera.

Polyethylene haina hwema, haina chepfu, inonzwa sewakisi, ine simba rakaderera rekudzivirira kupisa (tembiricha yakaderera inoshandiswa kusvika -100 ~ -70 ° C), yakasimba pamakemikari, inogona kutsungirira akawanda maacid nemaalkali (haigoni kuoxidation properties yeasidhi). Hainyungudike muzvinhu zvinonyungudutsa patembiricha yemumba, inonyungudutsa mvura shoma, uye inochengetedza magetsi zvakanaka.

PE inogadzirwa sei?

Polyethylene inogadzirwa kubva mukuumbwa kwe ethylene (kana ethene) monomer. Maketani ePE anogadzirwa nekuwedzera kana kuumbwa kwe radical polymerization. Nzira dzekugadzira dzinosanganisira:

Ziegler-Natta Polymerization uye

Kugadziriswa kweMetallocene

Ma resin ePE ane chepfu here?

Kana iri yakasimba, Polyethylene inoonekwa seyakachengeteka uye isina chepfu. Inogona kuva chepfu kana ikafemerwa uye/kana kunyudzwa seutsi kana mvura (kureva, panguva yekugadzira).

Ndedzipi mhando dzePE dzakajairika?

Zvichienderana nehuwandu hwayo uye matavi ayo, magiredhi akasiyana ePE anogona kuva nekushanda kwakasiyana kwazvo kubva kune mumwe nemumwe.

Saka mamakisi ePE anorongwa seizvi.

Shanduro Dzakabatana

Polyethylene yakaderera (LDPE)

Polyethylene ine huwandu hwakaderera (LLDPE)

Shanduro dzeMitsetse

Polyethylene yakakura (HDPE)

Polyethylene ine huremu hwakanyanya-hwakakwirira (UHMWPE)

Polyethylene yakabatana nemuchinjikwa (PEX kana XLPE)

Uyezve, kune mamwe marudzi ePE anowanikwawo akadai se:

Polyethylene ine huwandu hwepakati (MDPE)

Polyethylene yakaderera zvakanyanya (ULDPE)

Polyethylene ine huremu hwakawanda (HMWPE)

Metallocene polyethylene (mPE)

Polyethylene ine chlorine (CPE)

Tanga nemutengo wepakarepo wemahara!

Zvese zviri kurodha zvakachengeteka uye zvakavanzika

MUTSVIRI WEKUZIVA CHIGADZIRWA MIGWARO YEUINJINIYERI

Ungaenzanisa sei mhando huru dzePE?

	LDPE	LLDPE	HDPE
Zita Rakazara rePolymer	Polyethylene Yakaderera	Polyethylene Yakatetepa Yakaderera	Polyethylene Yakanyanya Kuwanda
Maumbirwo	Dhigirii repamusoro recheni pfupi matavi + matavi echeni refu	Dhigirii repamusoro remacheni mapfupi	Linear (kana Dhigirii shoma remacheni mapfupi)
Chinogadzirisa uye maitiro	Kushandisa radical polymerization uchishandisa nzira yechubhu kana nzira ye autoclave	Kushandisa Ziegler-Natta catalyst kana metallocene catalyst	Ziegler-Natta catalyst mu: - Kugadziriswa kwepombiyuta kwechikamu chimwe chete - Kugadzirisa polymer muzvikamu zvakawanda kana kuti Cr kana Phillips-type catalyst
Kuwanda kwevanhu	0.910-0.925 g/cm3	0.91-0.94 g/cm3	0.941-0.965 g/cm3
Kupenya kwekristaro	Yakadzika kristalline uye yakakwirira isina chimiro (isingasviki 50-60% crystalline)	Semi-crystalline, chiyero chiri pakati pe35 kusvika 60%	Yakasimba uye isina chimiro chakawanda (>90% crystalline)
Kodhi Yokudzokorodza
Hunhu	Kuchinjika uye kujeka zvakanaka Hunhu hwakanaka hwekudzivirira hunyoro Simba guru rekurova pakupisa kwakaderera Kuramba kwakanaka kune acids, bases uye mafuta emiriwo	Kana tichienzanisa neLDPE, ine: simba rakakwirira rekudhonza kukanganiswa kwakanyanya uye kuramba kuboorwa	Kudzivirira makemikari kwakanaka kwazvo Simba guru rekudhonza Hunhu hwakanaka hwekudzivirira hunyoro Zvakaoma kusvika zvishoma-zvinochinjika
Zvikumbiro Zvakajairika	Kuputira zvishoma, mafirimu, mabhodhoro anosvinwa, mabhegi emarara, zvigadziko zve extrusion, uye laminate	Mabhegi anoshanda zvakanaka, mafirimu ekushongedza matayi, mafirimu ekuparadzanisa matayi, mapurasitiki emuindasitiri, mafirimu e elastic, mabhegi echando, mabhegi ekuwedzera kurongedza nemabhegi emarara	Kugoverwa kwehuremu hwemamorekuru kwakamanikana, kune mashandisirwo azvo mujekiseni remajekiseni kana kuti shinda dzakatsetseka, uye rudzi rwekupedzisira Kupararira kwehuremu hwemamorekuru kwakafara, kunoshandiswa kugadzira zvigadzirwa zvemafirimu, zvigadzirwa zvepurasitiki zvisina chinhu nemapombi

Ndezvipi zvinhu zvine chekuita neHDPE?

1. Polyethylene ipfu chena inopfuta, isinganhuwi, isina kunaka, uye isina chepfu.

2. Nzvimbo yekunyunguduka kwepolyethylene i100-130C - inodzivirira kupisa kwayo kwakaderera zvakanaka.

3. Polyethylene ine kugadzikana kwakanaka kwemakemikari uye inodzivirira kuderedzwa kwe nitric acid, kuderedza sulfuric acid, hydrochloric acid, hydrofluoric acid, phosphoric acid, formic acid, acetic acid, ammonia, amines, hydrogen peroxide, sodium hydroxide, potassium hydroxide nedzimwe mhinduro patembiricha yemumba.

4. Polyethylene iri nyore kuoxidation, inooxidation yekupisa, inoora ozone, uye inoora nyore nyore pasi pesimba remwaranzi ye ultraviolet.

5. Kupisa kunoenderera mberi: -50 ° C kusvika +60 ° C, chinhu chakaoma zvine simba rekupisa rinobatsira

6. Polima inodhura zvishoma uye inogona kugadziriswa zvakanaka

7. Mvura shoma kwazvo inonyudzwa

Ndeipi mhando yePE inogona kudzokororwa?

Resin Identification Code yemhando mbiri huru dzePE ndeiyi:

LDPE neHDPE hazviore. Zvinobatsira zvikuru muzvinhu zvinoraswa nepurasitiki pasi rose. Mhando dzese dzePE dzinogona kushandiswazve. Dzinoshandiswa kugadzira mabhodhoro ezvinhu zvisiri zvekudya, mapurasitiki ekushandisa panze, mabhini emakompositi, nezvimwewo.

Masevhisi Anowanikwa ePE Plastiki

Zvigadzirwa zvakapedzwa

Chinhu chimwe chete chakagadzirwa nezvinhu zvePE, zvakaita sezvimwe zvinhu zvekushongedza, magaba emarara, nezvimwewo.

Lorem ipsum dolor sit amet consectetur adipisicing elit. Kuita marwadzo, kuramba chero ani zvake, zvechokwadi muvambi wemarwadzo, kusatsvaga...

Dzimba dzezvigadzirwa zvevatengi nezvikamu

Matoyi, Zvirongo zveMabhodhoro

Zvishongedzo zvemakanika, midziyo yemumba nezvimwe zvikamu zvemusanganiswa wegoko.

Lorem ipsum dolor sit amet consectetur adipisicing elit. Kuita marwadzo, kuramba chero ani zvake, zvechokwadi muvambi wemarwadzo, kusatsvaga...

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