Iingcango zeprofayili yePVC yaseTshayina kunye nemveliso yeefestile ingene kwixesha lenguqu
Sele isiqingatha senkulungwane ukususela kwiingcango zeplastiki yokuqala yePVC yehlabathi kunye neefestile zaphuma kwiRiphabhliki yaseJamani yaseJamani ngo-1959. Olu hlobo lwezinto zokwenziwa zePVC njengezinto ezikrwada zineempawu ezibalaseleyo zoomatshini, ukuxhathisa imozulu (ukuxhathisa ultraviolet) kunye nedangatye retardancy., Ubunzima bokukhanya, ubomi obude, ukuveliswa kunye nokufakwa ngokulula, ukugcinwa okuphantsi, kunye nexabiso eliphantsi, njl., baye benza inkqubela enkulu kumazwe athuthukileyo.Ishishini lasekhaya lePVC elineprofayili yocango kunye nefestile nayo ifumene iminyaka engama-30 yophuhliso.Ukususela kwixesha lentshayelelo kunye nexesha lophuhliso olukhawulezayo, ngoku lingene kwixesha lenguqu.
Kwisicwangciso seshumi elinanye leminyaka emihlanu, iChina ibeka ngokucacileyo injongo yokunciphisa ukusetyenziswa kwamandla kulo lonke ilizwe ngaphezu kwe-20%.Ngokutsho kwedatha yophando ekhutshwe ngamasebe afanelekileyo, ukusetyenziswa kwamandla okwakhiwa kwe-China okwangoku ku-40% yokusetyenziswa kwamandla apheleleyo, ukubeka kuqala phakathi kwazo zonke iintlobo zokusetyenziswa kwamandla, apho i-46% ilahlekile ngeengcango kunye neefestile.Ke ngoko, ukugcinwa kwamandla okwakha kuye kwaba ngumlinganiselo obalulekileyo wokunciphisa ukusetyenziswa kwamandla, nto leyo eye yatsala umdla wabantu abaninzi, kwaye ikwayenye yezinto eziqhubela phambili uphuhliso olukhawulezileyo locango lweplastiki yasekhaya kunye noshishino lwefestile.Ngenkxaso yomgaqo-nkqubo wesizwe "wokugcina amandla kunye nokunciphisa ukukhutshwa", isicelo semfuno yemalike yasekhaya sifikelele ngaphezu kwe-4300kt ngo-2007, imveliso yokwenene ibalelwa malunga ne-1/2 yomthamo wemveliso (kuquka i-2000kt yeemveliso eziphantsi), umthamo wokuthumela ngaphandle. yaba phantse 100kt, kunye nokutyiwa yonyaka PVC resin Malunga 3500kt okanye ngaphezulu, accounting ngaphezu 40% yelizwe lam iyonke PVC resin output.Ekupheleni kuka-2008, bekukho ngaphezu kwe-10,000 imigca yemveliso yeprofayili e-China, kunye nomthamo wemveliso ongaphezulu kwe-8,000kt, kunye namashishini emveliso angaphezu kwe-10,000.Ngo-2008, isabelo semarike yeengcango zeplastiki zelizwe lam kunye neefestile kwizakhiwo ezisanda kwakhiwa zokuhlala ezidolophini nasezidolophini sifikelele ngaphezu kwama-50%.Kwangaxeshanye, imiba yokhuseleko kunye nokukhuselwa kokusingqongileyo kweengcango zeplastiki kunye neefestile nazo zifumene ingqalelo yabantu njengolondolozo lwamandla.
Ixesha lokuposa: Jan-12-2021