Kunyumba> Zamakono> Mphira ndi pulasitiki> Ethylene-vinyl acetate

Ethylene-vinyl acetate

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Ethylene-vinyl acetate , omwe amadziwikanso kuti mwamwano (ethylene-vinyl acetate) ( Peva ), ndiye wopopera wa ethylene ndi vinyl acetate . Zolemera za vinyl acetate nthawi zambiri zimasiyanasiyana kuyambira pa 10 mpaka 40%, ndi wotsalayo kukhala Ethylene. Pali mitundu itatu yosiyanasiyana ya Eva Curcolity, yomwe imasiyana mu vinyl acetate (va) zomwe zidagwiritsidwa ntchito ndi zomwe zida zimagwiritsidwa ntchito.

Eva Iwen Ethylene ngati mphira ndi pulasitiki, zomwe zimakhazikitsidwa pa gawo lotsika la VA (pafupifupi mpaka 4%) ikhoza kutchulidwa kuti vinyl acetate wosinthika polyethylene. Ndi wopopera wa acid acid flakes ndipo amakonzedwa ngati mawonekedwe a thermoplastics - monga ma cynaty otsika polyethylene . Ili ndi zina mwazomwe zimapangitsa kuti pakhale polyethylene koma zowonjezereka (zothandiza pa filimu), zofewa komanso kusinthasintha. Zinthu zomwe nthawi zambiri zimawonedwa kuti sizowopsa.

Eva Granule Remin ndi elastomeric   Polymer omwe amatulutsa zinthu zomwe ndi "mphira-ngati" zofewa komanso kusinthasintha. Zinthu zomwe zili ndi chidziwitso chabwino, kutentha kochepa , kupsinjika kwa kupsinjika, kusanthula kwa titanium dioxide kutsatsa nyama, ndikulimbana ndi ma radiation UV . Ethylene vinyl acetate utoto umakhala ndi fungo lopindika komanso lopikisana ndi zinthu za mphira ndi za vinyl muzogulitsa zamagetsi.

Kunyumba> Zamakono> Mphira ndi pulasitiki> Ethylene-vinyl acetate
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