Kwifashoni yanamhlanje kunye nokukhetha kwabathengi, izinto ezenziwe ngabantu zesikhumba ezifana ne-PVC yesikhumba kunye PU ngesikhumba dlala indima ebalulekileyo ekwenziweni kwezixhobo ezifana noobhaka kunye nezipaji. Abagcini nje ngokunikezela ngeendlela ezahlukeneyo zoyilo kunye nokusebenza, kodwa baphakamisa inkxalabo malunga nokuzinza kunye nefuthe lendalo. Xa ujongene nolu khetho, ukuqonda iimpawu, iingenelo kunye nokungeloncedo ngakunye kubalulekile ekwenzeni izigqibo ezinolwazi zabathengi.
Yintoni ngethwathwa PVC kunye PU ngethwathwa
PVC ngesikhumba:Ifutshane kwi-polyvinyl chloride, yimathiriyeli yeplastiki eyenziwe ngezinto ezahlukeneyo, kubandakanya ukwenziwa kweengxowa. I-PVC Isikhumba sesesithathu sehlabathi sithandwa kakhulu yiplastiki eyenziwe ngeplastiki.
Isikhumba se-PVC iveliswa yi-polymerization ye-vinyl chloride monomers (okanye iimolekyuli ezibophekileyo). Inkqubo ivelisa into enenyama kodwa ilula enokubunjwa ngokulula kwiimilo ezahlukeneyo kunye nobukhulu, iyenze ibe lukhetho oludumileyo lokwenza iibhegi kunye nezixhobo zefashoni.
PU ngesikhumba:Imfutshane ye-polyurethane, yimathiriyeli eyenziwe ngepetrochemicals. Iyakwazi ukumelana ne-abrasion kwaye iyamelana nobushushu, iyenza yaziwe njengenye yezona zinto zidumileyo.
Icandelo eliphambili le PU Isikhumba yi-polyurethane, i-polymer compound eyenziwe nge-chemical reaction phakathi kwe-Diisocyanates kunye ne-polyols. Le mpendulo ivelisa imathiriyeli eguquguqukayo kwaye ehlala ixesha elide enokuthi isetyenziswe kwizicelo ezahlukeneyo, kubandakanya ukuveliswa kwemveliso. PU ngesikhumba iithwathwa.
Izinto ezilungileyo zokusebenzisa isikhumba sePVC kwimveliso yeengxowa
I-1.I-Versatility kunye ne-aesthetics I-texture eyodwa ye-PVC yesikhumba inikeza ukuguquguquka okukhulu koyilo. Iimveliso kunye nabavelisi abasebenzisa i-PVC yesikhumba banokwenza i-eye-catch bag designs kwimibala eyahlukeneyo, ukuthungwa kunye neepateni. Iyakwazi ukulinganisa inkangeleko yezinto ezifana nesikhumba okanye ukudala imbonakalo ecacileyo ekhethekileyo kwimo yendalo.
2.Ukuqina kunye nokuphila ixesha elide. Ukushisa okuphezulu kwesikhumba se-pvc kunye nokuxhatshazwa kwe-abrasion kwenza kube yinto ekhethekileyo yosuku ngalunye, ukuhamba okanye iingxowa ezinzima. Iyakwazi ukumelana neemeko ezinzima, ezifana nokuvezwa kumswakama okanye amaqondo obushushu agqithisileyo, ngaphandle kokunciphisa umgangatho. Ezi mpawu ziqinisekisa ukuba iingxowa zesikhumba zePVC zigcina ingqibelelo yazo yesakhiwo kunye nesibheno esibonakalayo kwiminyaka elishumi ezayo.
3.Ifikelelekayo. Isikhumba sePVC sisixhobo esifikelelekayo xa sithelekisa nethwathwa kunye namanye amalaphu. Abavelisi bayisebenzisela ukwenza iibhegi ezinesitayile ngaphandle kokuthomalalisa isibheno sabo esibonakalayo kunye nomgangatho.
4.Ukungangeni kwamanzi. Isikhumba sePVC sineempawu ezigqwesileyo zokungangeni manzi kwaye ifanelekile kwiingxowa ezifuna ukumelana nemekobume emanzi, njengeengxowa zangaphandle, iibhegi zokuhamba, okanye iibhegi zemvula. Ngesikhwama sesikhumba sePVC, umntu onxibayo unokuqiniseka ukuba izinto zabo zihlala zomile kwaye zikhuselwe.
I-5.Ukhathalelo olulula: I-PVC yesikhumba kulula ukuyicoca kunye nokunyamekela, kwaye ifika ngokufanelekileyo kubantu abavilayo. Kuthatha phantse akukho mzamo ukugcina ubhaka kwimilo ye-tip-top; into ekufuneka yenziwe ngumntu onxibileyo kukusula amabala okanye ubumdaka ngento efumileyo.
Iingenelo ze-PU yesikhumba kwimveliso yeengxowa
1.Iyantlukwano kunye nePlasitiki: Ukwakheka kwesikhumba sePU kuyafana nesikhumba sokwenyani, ngokweenkqubo ezahlukeneyo. PU ngesikhumba isikhumba sinokuxelisa ukubonakala kwesikhumba sangempela kwinqanaba elithile, umenzi unokusebenzisa iimpawu zayo, ukudala imibala eyahlukeneyo, izitayela kunye noyilo lweengxowa.
2.Ukungangeni kwamanzi:PU ngesikhumba inobumanzi obuhle, kodwa ukusebenza kwamanzi kuchaphazeleka kwiinkqubo ezahlukeneyo, ezinye PU ngesikhumba iimveliso ziya kunyangwa ngeekhemikhali ezongezelelweyo okanye iingubo zokwandisa ukungenwa kwamanzi.
3.Ifikelelekayo: Isikhumba sePU lilaphu elifikelelekayo lobhaka. Ukubonakala kweengxowa ezenziwe ngayo kunokufaniswa neengxowa zesikhumba, kodwa ixabiso liphantsi kakhulu!
I-4.Easy ukucoceka: Izinto ze-PU zesikhumba zilula kakhulu ukucoceka, kufuneka nje uzisule ngelaphu elimanzi ukuze ubuyisele i-backpack ecocekileyo.
Ukusilela kwengxowa yokwenziwa kwePVC
- Ukuba bhetyebhetye: Ufele lwePVC luhlala lubhetyebhetye, kodwa ukuba lukwenza ubhetyebhetye kwaye iingxowa ezithambileyo zisenokungakulungeli ukusetyenziswa kwesikhumba sePVC.
- ubuntununtunu bobushushu: Isikhumba sePVC sinobuntununtunu kubushushu obuphezulu. Abavelisi, ababoneleli kunye nabathengi kufuneka bakuphephe ukubeka iingxowa zesikhumba zePVC kubushushu obugqithisileyo xa bezigcina okanye bezithutha, njengoko oku kunokubeka esichengeni isidima sabo solwakhiwo kwaye kubangele ukuba zigqwese kwixabiso.
- Ubunzima:Isikhumba sePVC sinzima kancinci kunezinye izinto zokwenziwa. Ukuze kube lula ukuhamba okanye ezinye izizathu, abantu abanexhala malunga nobunzima be-backpack ukuphepha ukusebenzisa isikhwama sesikhumba sePVC.
- Ukumelana ne-UV: Isikhumba sePVC sichanabeka ekuthotyweni kwe-UV, ngakumbi xa sibekwe elangeni ixesha elide. Ngaphandle kokhuseleko olufanelekileyo, olu lwazi lunokuphela okanye lube brittle ekuhambeni kwexesha. Abavelisi banokuyoyisa le ngxaki ngokusebenzisa izongezo ze-UV ezinganyangekiyo okanye iingubo.
- Iinkxalabo zokusingqongileyo: Njengemveliso esekwe kwipetroleum, isikhumba sePVC sinokuba nefuthe elibi kokusingqongileyo. Nangona ezinye iindlela zokusingqongileyo ezinokusetyenziswa ngethwathwa zePVC zikhona, ukuveliswa kwesikhumba sePVC yemveli kuvelisa inkunkuma yeplastiki kwaye kaninzi isebenzisa izongezo zekhemikhali eziyingozi. Abavelisi abasebenzisa isikhumba sePVC kufuneka baphumeze amanyathelo afanelekileyo okurisayikilisha kunye nolawulo lwenkunkuma ukunciphisa iimpembelelo zayo zokusingqongileyo.
Ukungalungi kwesikhumba sePU kwimveliso yeengxowa
- Ubume bePlastiki. PU ngesikhumba inokwakheka kweplastiki eyomeleleyo, kwaye iingxowa ezenziwe ngayo ziya kujongeka zingabizi kwaye zikumgangatho ophantsi. Awukwazi ukuxelisa imvakalelo ekhazimlayo yesikhumba sokwenyani.
- Ukucaphuka kwevumba. Ngenxa yokuba i-PU yesikhumba se-petrochemical synthetic materials, i-PU yesikhumba ivumba kunye nesikhumba sahluke kakhulu, i-PU yesikhumba ivumba njengeplastiki okanye iikhemikhali, ngelixa iphunga lesikhumba lingokwemvelo, liphantse lingabonakali.
- Ukuqina. Ukuqina kwesikhumba sePU akulunganga, kulula ukugqojozwa okanye ukukrazuka. ubomi benkonzo ye-PU yesikhumba malunga ne-1-2 iminyaka, xa ukuguga kwesikhumba se-PU kuya kubonakala emva kwesiganeko sokuqhawula, ukuchithwa.
- .I-Air permeability: I-PU yesikhumba yesikhumba ayinayo imingxunya yomoya efana nesikhumba, ayikwazi ukungena. Ke ngoko ukufuna ukuba kungeneke abathengi belaphu banokuyeka ukukhetha eli laphu.
- Iingxaki zokusingqongileyo: enye yeengxaki eziphambili ze-PU yesikhumba yinkqubo yokuvelisa izinto eziguquguqukayo zezinto eziphilayo, zikhutshelwa emoyeni ngendlela yeegesi ezivela kwezinye iimveliso, kubandakanywa nokunamathiswa okusetyenziselwa ukuvelisa i-PU yesikhumba kunye neengubo. Ezi khemikhali zinokubangela uluhlu lweengxaki zempilo.
Uzinzo kunye neempembelelo zokusingqongileyo zesikhumba sePVC kunye ne-PU yesikhumba.
Impembelelo yokusingqongileyo yesikhumba sokwenziwa ibe yinto eshushu yeengxoxo eziqhubekayo kwintsimi yokuzinza. Njengezinto ezisekelwe kwiplastiki, ukuveliswa kwesikhumba sePVC & Isikhumba se-PU sinxulumene nokusetyenziswa kweekhemikhali ezinobuthi kunye nokukhululwa kwazo kwindawo engqongileyo.
Isikhumba sePVC
- I-Polyvinyl Chloride (PVC) nangona ingabizi, ukuveliswa kwayo kunye nokulahlwa kwayo kunokuba neendleko ezinkulu kwindalo.
- Ukukhutshwa kweDioxin: Ukuveliswa kwesikhumba se-PVC kukhupha i-dioxin, ikhemikhali enetyhefu kakhulu eqhubekayo kwindalo kwaye iqokelele kwikhonkco lokutya. IiDioxins ziye zanxulunyaniswa noluhlu lweengxaki zempilo, kubandakanya umhlaza, ukuphazamiseka kwenkqubo yomzimba yokuzikhusela kunye neengxaki zokuzala.
- izongezo eziyingozi: Iiplastiki ezifana iiphthalates zongezwa ukuphucula ukuguquguquka kunye nokuthungwa kwesikhumba sePVC. Ezi zongezo ziye zadibaniswa nokuphazamiseka kwehomoni kunye nemiphumo emibi kwimpilo yabantu.
- Inkunkuma eZingisileyo: Njengepolyurethane, iPVC ayiboli kwaye inokuqokelelana kwiindawo zokulahla inkunkuma, nto leyo eyenza mandundu ingxaki yenkunkuma yeplastiki. I-PVC etshisayo ikhupha imichiza eyityhefu emoyeni, ingcolise ngakumbi umoya.
PU Isikhumba
- VOC ukukhutshwa kwe-VOCs liqela leekhemikhali ezikhutshwa emoyeni ngendlela yeegesi ezivela kwiimveliso ezithile, kubandakanywa ukunamathiswa athile kunye neengubo ezisetyenziselwa ukuveliswa kwesikhumba sePU. Ezi khemikhali zinokubangela uluhlu lweengxaki zempilo (intloko, isiyezi, kunye neengxaki zamehlo, impumlo, kunye nomqala).
- Iintsimbi ezinzima: umzekelo ilothe kunye necadmium. Ezi zinyithi ziyityhefu ebantwini nasezilwanyaneni, kwaye ukuvezwa kugxininiso oluphezulu kunokubangela iingxaki zempilo ezimandundu, kubandakanywa umonakalo wemithambo-luvo kunye nezintso kunye nomhlaza.
- i-non-biodegradable. Izixhobo zesikhumba zePU azinakonakala, kodwa zinokuphinda zisetyenziswe ukuya kuthi ga kwinqanaba elithile. Nangona kunjalo, iindleko zokurisayikilishwa ziphezulu, kwaye ayizizo zonke iingingqi ezineziseko zokusebenzisa ufele lwePU. Ngenxa yoko, iimveliso ezininzi zesikhumba ze-PU ziphela kwiindawo zokulahla inkunkuma, apho zinokuthatha amakhulu eminyaka ukuba ekugqibeleni zibole kwaye zibangele ukuthotywa kokusingqongileyo.
Yeyiphi eyona nto ingcono, isikhumba sokwenziwa okanye ufele lokwenyani?
Ngokuqhelekileyo i-PU yesikhumba ithatha iminyaka eyi-1-2 kuphela, i-PVC yesikhumba iya kuhlala ixesha elide, kodwa kungakhathaliseki ukuba yintoni emva koko iya kubonisa iimpawu zokukrazula kunye nokulimala kwesikhumba. Isikhumba sokwenyani, nangona kunjalo, sahlukile kwaye sinokuhlala ubomi okanye ngaphezulu ngokhathalelo olufanelekileyo.
Kodwa malunga nokucoca kunye nokugcinwa, i-PU yesikhumba kunye ne-PVC yesikhumba ilula kakhulu.
Ngokubhekiselele kwimiba yokuziphatha kunye nokusingqongileyo, abantu abaninzi baya kucinga ukuba ukubulala izilwanyana akukho semthethweni kwaye uphephe isikhumba sokwenyani, kodwa cinga ngako kwelinye i-angle, isikhumba sokwenyani asiyiyo indalo. Kwimeko yofele lwenkomo, olusetyenziswa kakhulu kwaye lunxitywe nzima, ufele luvela kwinkomo yenkomo ekhutshiweyo. Oku kuthetha ukuba ishishini lesikhumba ngokwenene liyimveliso ephuma kwimizi-mveliso yemfuyo neyenyama yenkomo. Ukusebenzisa ulusu lwenkomo, olungathandwa luluntu, ngokwenene kunciphisa inkunkuma.
Ukongeza imathiriyeli yethwathwa iyabola ngokwendalo, kwaye nangona kufuneka ifakwe kwezinye iikhemikhali, ayiphantse ibe nefuthe njengesikhumba sokwenziwa.
Ukuqukumbela
Xa ukhetha ukusebenzisa i-PVC okanye i-PU yesikhumba, kubalulekile ukuqwalasela iingenelo kunye nokungona kwabo kunye nefuthe labo kwindalo ye-PVC yesikhumba ithandwa ngenxa yokuqina kwayo, ukuguquguquka, kunye neendleko eziphantsi, kwaye ifaneleke ngokukodwa kwizicelo apho ukuxhathisa kwamanzi kunye nokulula kokucoca kuyadingeka. Nangona kunjalo, kukho iimpembelelo ezimbi zokusingqongileyo ezinxulumene nokuveliswa kwayo, ezifana nokukhutshwa kwe-dioxin kunye nemiba yenkunkuma eqhubekayo, efuna ukuphathwa ngononophelo. Ngokwahlukileyo, ngelixa i-PU yesikhumba ilingisa ngakumbi kwaye ifikeleleka, ikwanengxaki yemicimbi yokusingqongileyo efana nokukhutshwa kweVOC kunye nokukhutshwa kwentsimbi enzima, kwaye ayihlali ixesha elide.
Ngokwembono yozinzo, ufele luhambelana nokusingqongileyo ngakumbi njengemathiriyeli enokubola kwaye njengemveliso ephuma kwimfuyo. Nangona ifuna ulawulo olungqongqo kunye nokusingatha ukuphepha ukungcoliseka kwendalo, phantsi kweemeko ezifanelekileyo isikhumba sisenokhetho olunexabiso elihlala lihleli kunye nokuthungwa.
Ke ngoko, ukukhethwa kwezinto ezifanelekileyo zesikhumba kufuneka kuthathelwe ingqalelo iimfuno zokusebenza, ukuqina, iindleko, kunye nefuthe lokusingqongileyo. Kwizicelo ezisebenzayo, ukufunyanwa nokuhlaziywa kwezinto kwakhona kufuneka kukhuthazwe ukunciphisa inkcitho yobutyebi kunye nomthwalo wokusingqongileyo.
