Pulasitiki sangalowe m'malo mwazitsulo, koma zinthu zambiri zamapulasitiki zaposa ma alloys.Ndipo kugwiritsa ntchito pulasitiki kwadutsa kuchuluka kwa zitsulo, pulasitiki tinganene kuti ndi yogwirizana kwambiri ndi moyo wathu.Banja la pulasitiki likhoza kukhala lolemera komanso la mitundu isanu ndi umodzi ya mapulasitiki, tiyeni tiwamvetse.
1. Zida za PC
PC imakhala yowonekera bwino komanso kukhazikika kwamafuta ambiri.Choyipa ndichakuti sichimva bwino, makamaka pakapita nthawi, mawonekedwe ake amawoneka "odetsedwa", komanso ndi pulasitiki yaukadaulo, ndiko kuti, plexiglass, monga polymethyl methacrylate.polycarbonate, etc.
PC ndi zinthu zomwe zimagwiritsidwa ntchito kwambiri, monga mafoni a m'manja, ma laputopu, ndi zina zotero, makamaka popanga mabotolo a mkaka, makapu a danga, ndi zina zotero.Mabotolo a ana akhala akukangana m'zaka zaposachedwa chifukwa ali ndi BPA.Bisphenol A yotsalira mu PC, kutentha kwapamwamba, kumatulutsidwa kwambiri komanso mofulumira.Choncho, mabotolo amadzi a PC sayenera kugwiritsidwa ntchito kusunga madzi otentha.
2. PP zinthu
PP pulasitiki ndi isotactic crystallization ndipo ali wabwino matenthedwe bata, koma mfundo Chimaona ndi yosavuta kusweka, makamaka polypropylene zinthu.Bokosi la chakudya chamasana mu microwave limapangidwa ndi zinthu izi, zomwe zimalimbana ndi kutentha kwambiri kwa 130 ° C ndipo siziwoneka bwino.Ili ndiye bokosi lokhalo lapulasitiki lomwe limatha kuyikidwa mu uvuni wa microwave ndipo litha kugwiritsidwanso ntchito mukatsuka mosamala.
Tiyenera kukumbukira kuti, kwa mabokosi ena a microwave, bokosi la bokosi limapangidwa ndi No. 05 PP, koma chivindikirocho chimapangidwa ndi No. 06 PS (polystyrene).Kuwonekera kwa PS kumakhala pafupifupi, koma sikulimbana ndi kutentha kwakukulu, kotero sikungaphatikizidwe ndi bokosi la bokosi.Ikani mu microwave.Kuti mukhale otetezeka, chotsani chivindikiro musanayike chidebecho mu microwave.
3. PVC zakuthupi
PVC, yomwe imatchedwanso PVC, ndi polyvinyl chloride resin, yomwe nthawi zambiri imagwiritsidwa ntchito popanga mbiri yaumisiri ndi zinthu zapulasitiki za tsiku ndi tsiku, monga malaya amvula, zipangizo zomangira, mafilimu apulasitiki, mabokosi apulasitiki, etc. Mapulasitiki abwino kwambiri komanso mtengo wotsika.Koma imatha kupirira kutentha kwa 81 ℃.
Zinthu zapoizoni komanso zovulaza zomwe zopangidwa ndi pulasitiki zamtunduwu zimakonda kutulutsa zimachokera ku mbali ziwiri, imodzi ndi monomolecular vinyl chloride yomwe simapangidwa polima mokwanira panthawi yopanga, ndipo ina ndi zinthu zovulaza mu plasticizer.Zinthu ziwirizi zimakhala zosavuta kuti ziwombedwe zikakumana ndi kutentha kwambiri komanso mafuta.Zinthu zapoizoni zikalowa m’thupi la munthu ndi chakudya, n’zosavuta kuyambitsa khansa.Pakali pano, zotengera za zinthuzi sizimagwiritsidwa ntchito kawirikawiri kulongedza chakudya.Komanso, musalole kutentha.
4. PE zinthu
PE ndi polyethylene.Filimu yodyera, filimu ya pulasitiki, ndi zina zotero ndizo zonse.Kukana kutentha sikolimba.Kawirikawiri, kukulunga kwa pulasitiki koyenerera kwa PE kudzakhala ndi chinthu chotentha chosungunuka pamene kutentha kumapitirira 110 ° C, kusiya zokonzekera zapulasitiki zomwe sizingawonongeke ndi thupi la munthu.
Kuonjezera apo, chakudyacho chikatenthedwa ndi kukulunga pulasitiki, mafuta omwe ali m'zakudya amatha kusungunula mosavuta zinthu zovulaza zomwe zili mu pulasitiki.Chifukwa chake, chakudyacho chikayikidwa mu uvuni wa microwave, chokulunga chapulasitiki chokulungidwa chiyenera kuchotsedwa poyamba.
5. PET zinthu
PET, ndiye kuti, polyethylene terephthalate, mabotolo amadzi amchere ndi mabotolo a zakumwa za carbonated zonse zimapangidwa ndi izi.Mabotolo a zakumwa sangathe kubwezeretsedwanso kuti asunge madzi otentha.Izi sizimatentha mpaka 70 ° C ndipo ndizoyenera kumwa zakumwa zotentha kapena zozizira.Ndizosavuta kupunduka zikadzazidwa ndi madzi otentha kwambiri kapena kutentha, ndipo pali zinthu zomwe zimawononga thupi la munthu.
6. Zinthu za PMMA
PMMA, ndiko kuti, polymethyl methacrylate, yomwe imadziwikanso kuti acrylic, acrylic kapena plexiglass, imatchedwa compressive force ku Taiwan, ndipo nthawi zambiri imatchedwa agaric glue ku Hong Kong.Ili ndi kuwonekera kwakukulu, mtengo wotsika, komanso makina osavuta.ndi zabwino zina, ndizomwe zimagwiritsidwa ntchito kwambiri m'malo mwa galasi.Koma kukana kwake kutentha sikwapamwamba, kopanda poizoni.Amagwiritsidwa ntchito kwambiri pamakampani opanga ma logo.
