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Mapepala a polyethylene amagwiritsidwa ntchito m'makina ambiri

Polyethylene mbale izi ndi chifukwa unyolo maselo nthawi zina kutsekereza photocrystals awo, kusiya lalikulu amorphous dera mu biomolecule, mbale polyethylene akhoza kuyamwa zambiri zimakhudza kinetic mphamvu.Malinga ndi bukuli, njira ya astm- D256 imagwiritsidwa ntchito kudziwa momwe pulasitiki imagwirira ntchito.Poyerekeza, mphamvu yopondereza ya bolodi ya polyethylene imatha kugawidwa kukhala polycarbonate, polycarbonate imadziwika chifukwa cha kukana kwake, ndipo imatha kugwiritsidwa ntchito ngati mankhwala ambiri a mphira.

Kukana kukangana kwa mbale ya polyethylene ndikotsika kwambiri.Polyethylene board imakhala yabwino kukana kuvala, kukana kukangana kochepa komanso kudziletsa bwino.Ndiloto zopangira za bushing, roller ndi bushing.Kusankha polyethylene bolodi monga mikangano awiri, osati kusintha kuonongeka moyo utumiki wa maofesi, polyethylene bolodi ndi angapulumutse chuma.

Polyethylene board ili ndi kukana kwamankhwala abwino.Polyethylene board ili ndi kukana bwino kwa mankhwala.Kuwonjezera anaikira nitric asidi ndi asidi sulfuric, polyethylene bolodi si zophweka zinakhazikika mu njira iliyonse zamchere kapena acidic.Itha kugwiritsidwa ntchito ngati kuchepetsa hydrochloric acid pa 80 ℃, mu sodium cyanide & LT;Hydrochloric acid & lt;75% yosalala, itha kugwiritsidwanso ntchito ndi madzi ndi kuyeretsa madzi.Monga aliyense akudziwa, polyethylene bolodi n'zosavuta kutupa mu aliphatic hydrocarbons kapena halogenates (makamaka mosalekeza kutentha mkulu), kotero chidwi ayenera kulipidwa ntchito yake.

Limbikitsani kukana kuvala kwa bolodi la polyethylene.High kuvala kukana ndi chimodzi mwa zoyesa makhalidwe, polyethylene bolodi mu zambiri ntchito ntchito yofunika ntchito mtengo.Panthawiyi, bolodi lonse la pulasitiki la polyethylene limakhala ndi kukana kwabwino, ndipo ngakhale zitsulo zambiri sizikhala zokhazikika monga kale.Ndi kusintha kwa maselo olemera a polyethylene othamanga kwambiri, kukana kwa zinthu zamtunduwu kumawonjezekanso.Impact kukana kwa polyethylene board.Mphamvu yopondereza ya mbale ya polyethylene imagwirizana ndi kulemera kwake kwa maselo.Pamene wachibale maselo kulemera ndi otsika kuposa 2 miliyoni, zotsatira compressive mphamvu ya mbale polyethylene ukuwonjezeka ndi kuwonjezeka wachibale maselo kulemera, ndi apamwamba mtengo ndi za 2 miliyoni.Panthawi imeneyi, mphamvu yopondereza idzachepa ndi kuwonjezeka kwa kulemera kwa maselo.


Nthawi yotumiza: May-31-2022