IChengdu Huaxin Cemented Carbide Co., Ltd. igxile kwimveliso yeiibhleyidi zefayibha yeekhemikhali(Eyona nto iphambili kwiifayibha ze-polyester staple). Iiblade zefayibha zamakhemikhali zisebenzisa umgubo we-tungsten carbide okumgangatho ophezulu oqinileyo.I-blade ye-carbide eqinisiweyoeyenziwe yi-metal powder metallurgy inobunzima obuphezulu kunye nokumelana nokuguguleka, kwaye inokumelana kakuhle nobushushu kunye nokugqwala. I-blade yethu isebenzisa inkqubo yesayensi yokumisa enye, ubomi benkonzo yemveliso buyanda ngaphezu kwamaxesha ali-10, akuyi kubakho kuphuka, kunciphisa ixesha lokungasebenzi, kwaye kuqinisekisa ukuba umda wokusika ucocekile kwaye awunazo ii-burrs. Ii-blade ze-chemical fiber esizenzileyo ziphucule kakhulu ukusebenza kakuhle kwemveliso kubathengi! Ii-blade ze-tungsten carbide chemical fiber blades ezisetyenziselwa kakhulu ukusika ii-chemical fiber, ii-fiber ezahlukeneyo ezinqunqiweyo, i-fiber yeglasi (enqunqiweyo), ukusika ii-fiber ezenziwe ngumntu, i-carbon fiber, i-hemp fiber, njl.
Yintoni iPolypropylene Fabric: Iimpawu, Indlela Eyenziwe Ngayo, Nephi
yiSewport Support Team • Meyi 25, 2022
Yintoni iLaphu lePolypropylene?
Ilaphu lePolypropylene ligama elisetyenziselwa ukuchaza nayiphi na imveliso yelaphu ephuma kwi-thermoplastic polymer polypropylene. Olu hlobo lweplastiki luyinxalenye yeqela le-polyolefin, kwaye aluna-polar kwaye luyi-crystalline kancinci. Emva kwe-polyethylene, i-polypropylene yeyona plastiki yesibini eveliswa kakhulu kwihlabathi, kwaye isetyenziswa kakhulu ekupakisheni, kwiistraw, nakwezinye iintlobo zeempahla zabathengi kunye nezoshishino kunokuba isetyenziswa kwimveliso yelaphu.
Olu hlobo lweplastiki lwaqalwa ukuphuhliswa yinkampani yaseMelika iPhillips Petroleum ngo-1951. Iingcali zekhemistri uRobert Banks kunye no-J. Paul Hogan babezama ukufumana ipetroli kwi-propylene, baza ngempazamo benza i-polypropylene. Nangona olu vavanyo lubonwa njengolungasebenziyo, kwaqondakala ngokukhawuleza ukuba le compound intsha inamandla okulingana ne-polyethylene kwizicelo ezininzi.
Nangona kunjalo, akuzange kube ngo-1957 apho i-polypropylene yenziwa khona into efanelekileyo yokwenziwa ngobuninzi. Ngo-1954, isazi semichiza sase-Itali uGiulio Natta kunye nogxa wakhe waseJamani baphumelela ekwenzeni le nto ibe yi-isotactic polymer, kwaye inkampani yase-Itali iMontecatini yaqalisa ngokukhawuleza ukuvelisa le nto ukuze isetyenziswe kurhwebo nakubathengi.
I-Polypropylene yayithengiswa phantsi kwegama elithi “Moplen,” kwaye eli gama liseluphawu lorhwebo olubhalisiweyo lwenkampani iLyondellBasell. Nangona kunjalo, kuqheleke kakhulu ukufumana le nto ibizwa ngokuba yi-polypropylene okanye “i-polypro” ngamafutshane.
Isitulo sedekhi esinekhanopu kunye nesilingi kwilaphu le-polypropylene elingwevu yedove
Njengoko ukusetyenziswa kwe-polypropylene kwanda kakhulu kwiindlela ezininzi zabathengi kunye nezoshishino, kwafunyaniswa kancinci kancinci ukuba olu hlobo lweplastiki lukwabonakala lunamandla njengelaphu. Ilaphu le-polypropylene lilaphu elingalukwanga, oko kuthetha ukuba lenziwe ngokuthe ngqo ngezinto ngaphandle kwesidingo sokujikeleziswa kokuluka. Inzuzo ephambili ye-polypropylene njengelaphu kukukwazi kwayo ukudlulisa umswakama; eli laphu alinakufunxa naluphi na umswakama, kwaye endaweni yoko, umswakama udlula kwilaphu le-polypropylene ngokupheleleyo.
Olu phawu luvumela ukufuma okuphumayo xa unxibe impahla yepolypropylene ukuba kuphele ngokukhawuleza kunokuba bekuya kwenzeka xa unxibe impahla egcina ukufuma. Ke ngoko, le laphu ithandwa kakhulu kwimpahla enxitywa kufutshane nolusu. Nangona kunjalo, ipolypro inomdla wokufunxa nokugcina ivumba lomzimba xa isetyenziselwa iimpahla zangaphantsi, kwaye ikwanyibilika nakwiindawo ezishushu kakhulu. Ilaphu lepolypro elinyibilikisiweyo linokubangela ukutsha okukhulu, kwaye le ngxaki ikwabangela ukuba kungenzeki ukuhlamba le laphu kwiindawo ezishushu kakhulu.
Ilaphu le-polypropylene lelinye lawona mafayili enziweyo alula kakhulu, kwaye liyakwazi ukumelana kakhulu nee-asidi ezininzi kunye ne-alkalis. Ukongeza, umbane walo mbandela uphantsi kunewemafayili enziweyo amaninzi, nto leyo ethetha ukuba lifanelekile kakhulu kwiingubo ezibandayo.
Ilaphu le-Upholstery le-Beige ne-White Basket elukiweyo le-Polypropylene
Ngaphezu koko, le ngubo iyakwazi ukumelana nokukrazuka, kwaye ikwamelana nezinambuzane nezinye izinambuzane. Ngenxa yeempawu zayo ezibalaseleyo ze-thermoplastic, kulula ukuyibumba iplastiki ye-polypro ibe ziimo ezahlukeneyo, kwaye inokuguqulwa ngokunyibilika. Le plastiki ayinakuqhekeka kakhulu kuxinzelelo.
Nangona kunjalo, i-polypro idume ngokuba nzima ukuyidaya emva kokuba yenziwe, kwaye kunzima ukuyibumba le laphu ibe ziintlobo ezahlukeneyo. Le laphu isengozini yokonakala yi-UV, kwaye ayinamatheli kakuhle kwi-latex okanye kwi-epoxies. Njengayo nayiphi na enye ilaphu elenziweyo, ilaphu le-polypropylene nalo linempembelelo embi kakhulu kwindalo esingqongileyo.
Yenziwa Njani Ilaphu lePolypropylene?
Njengeentlobo ezininzi zeplastiki, i-polypro yenziwe ngezinto ezithathwe kumafutha e-hydrocarbon afana ne-oyile yepetroleum. Okokuqala, i-monomer propylene ikhutshwa kwi-oyile ekrwada ngohlobo lwegesi, kwaye le monomer emva koko ifakwa kwinkqubo ebizwa ngokuba yi-chain-growth polymerization ukwenza i-polymer polypropylene.
Xa inani elikhulu lee-propylene monomers zidibene, kwakheka izinto zeplastiki eziqinileyo. Ukuze kwenziwe ilaphu elisebenzisekayo, i-polypropylene resin kufuneka ixutywe neendidi ezahlukeneyo ze-plasticizers, izibambisi, kunye nezizalisi. Ezi zongezo zifakwa kwi-polypro enyibilikisiweyo, kwaye xa into oyifunayo ifunyenwe, le plastiki inokuvunyelwa ukuba iphole ibe zizitena okanye ii-pellets.
Ezi pellets okanye izitena emva koko zithunyelwa kwifektri yelaphu, zize zinyibilikiswe kwakhona. Kwiimeko ezininzi, le polypropylene yenziwa ibe ngamashiti, okanye inokuvunyelwa ukuba iphole kwiimolds. Ukuba amaphepha enziwe, la mashiti mancinci ayanqunyulwa abe yimo efunekayo aze athungwe okanye ancamathiselwe ukwenza impahla okanye iinapile. Iindlela ezahlukeneyo zokwenza izinto zisetyenziswa ukwenza ipolypropylene ibe ziimveliso ezingezizo ezempahla.
Isetyenziswa Njani Ilaphu lePolypropylene?
Ilaphu lePolypro lisetyenziswa kakhulu kwiimpahla apho kufuneka ukuhanjiswa komswakama. Umzekelo, olu hlobo lweplastiki lusetyenziswa kakhulu ukwenza amaphepha aphezulu ee-diapers, eziyinxalenye yee-diapers ezidibana ngqo nolusu. Ngokusebenzisa i-polypropylene kule nxalenye ye-diapers, kuyaqinisekiswa ukuba akukho mswakama uya kuhlala udibana nolusu lomntwana, nto leyo enciphisa amathuba okuba kubekho irhashalala.
Iimpawu zokudlulisa umswakama zale laphu lingelukwanga ziyenze yaba yilaphu ethandwayo kwizixhobo zemozulu ebandayo. Umzekelo, le nto yenziweyo yayisetyenziselwa ukwenza iimpahla zangaphantsi kunye neehempe zangaphantsi ezazisetyenziswa kwisizukulwana sokuqala seNkqubo yokuNxibelelana yeMozulu eBandayo yase-US Army (ECWCS). Kufunyaniswe ukuba iimpahla ezenziwe ngale laphu ziphucula intuthuzelo yamajoni kwiimeko zemozulu ebandayo, kodwa iingxaki ngamalaphu e-polypro zibangele ukuba umkhosi wase-United States utshintshele kwisizukulwana samva nje seelaphu ze-polyester kwiinkqubo zawo ze-ECWCS zesizukulwana sesi-2 kunye nesizukulwana sesi-3.
Kwezinye iimeko, ilaphu le-polypropylene lingasetyenziselwa ukwenza iimpahla zemidlalo, kodwa iingxaki ezininzi ngolu hlobo lweplastiki zenze iinguqulelo ezintsha ze-polyester zaziwa kakhulu kolu setyenziso. Nangona iipropati zokudlulisa umswakama zale laphu zithandeka kakhulu kwiimpahla zemidlalo, ukungakwazi ukuhlamba le laphu ngamanzi ashushu kwenza kube nzima ukususa ivumba elibi kwiimpahla zemidlalo ze-polypropylene. Ukongeza, ukuba sesichengeni kwelaphu kumonakalo we-UV kwenza ukuba libe lukhetho olubi kuyo nayiphi na uhlobo lwempahla yangaphandle.
Ngaphaya kwehlabathi lempahla, iplastiki yepolypropylene isetyenziswa kumawaka eendlela ezahlukeneyo zokusetyenziswa. Enye yezona ndlela zidumileyo zokusetyenziswa kwesi sithako kukwiistraw zokusela; ngelixa iistraw zazenziwe ngephepha ekuqaleni, ipolypropylene ngoku yeyona nto ikhethwayo kolu setyenziso. Le plastiki ikwasetyenziselwa ukwenza iintambo, iilebheli zokutya, ukupakishwa kokutya, iiglasi zelanga, kunye neentlobo ngeentlobo zeengxowa.
Iveliswa phi ilaphu lePolypropylene?
I-China okwangoku yeyona ithumela iimveliso ze-polypropylene kwamanye amazwe amaninzi. Ngo-2016, iifektri kweli lizwe zavelisa ubungakanani beplastiki ze-polypro ezixabisa i-$5.9 yeebhiliyoni, kwaye kuqikelelwa ukuba le ndlela iya kuhlala izinzile kwixesha elizayo.
Uninzi lwale nto lwenziwa eJamani; eli lizwe livelise malunga ne-$2.5 yeebhiliyoni zeerandi ze-polypropylene ngo-2016, kwaye i-Itali, iFransi, iMexico, kunye neBelgium nazo zingabavelisi ababalulekileyo bale nto. Ngo-2016, i-United States ivelise i-$1.1 yeebhiliyoni kwiimveliso ze-polypro.
Umdlali omkhulu kushishino lwemveliso ye-polypropylene yamazwe ngamazwe yiLyondellBasell. Le nkampani isekwe eNetherlands, kwaye ineziseko zokusebenza eHouston naseLondon.
Elilandelayo kweli shishini yiSinopec Group, eseBeijing, kunye nePetroChina Group, nayo eseBeijing. Abavelisi abali-10 abaphambili bale nto bathatha i-55% yemveliso iyonke ye-polypropylene kwihlabathi liphela.
I-Polypropylene icutshungulwa ibe ngamalaphu kwihlabathi liphela. Umvelisi omkhulu weelaphu ze-polypro ezigqityiweyo yiTshayina, kwaye olu hlobo lwelaphu luthungelwa kwiimpahla nakwezinye iintlobo zelaphu eIndiya, ePakistan, eIndonesia, nakwamanye amazwe amaninzi.
Ixabisa malini ilaphu lePolypropylene?
Ilaphu le-polypropylene liner lifakwe ngaphakathi kwebhedi ephakanyisiweyo ye-cedar
Ekubeni i-polypro yenye yezona ntlobo zeplastiki eziveliswa kakhulu, ngokubanzi ayibizi kakhulu xa ithengiswa ngobuninzi. Inani elikhulu leefektri ezinkulu ezahlukeneyo ziyakhuphisana ukuze zibambe imakethi yeplastiki yehlabathi, kwaye olu khuphiswano lunyusa amaxabiso.
Nangona kunjalo, ilaphu le-polypropylene lisenokuba libiza kakhulu. Isizathu esiphambili sale xabiso linyukileyo kukungabikho kwemfuno; ngelixa ilaphu le-polypropylene lalisetyenziselwa ukwenza iingubo zangaphantsi ezishushu rhoqo, inkqubela phambili yakutshanje kwimveliso ye-polyester yenze olu hlobo lwelaphu lwaphelelwa lixesha kakhulu. Ke ngoko, olu hlobo lwelaphu lubiza kakhulu kubavelisi belaphu kuneelaphu ezifanayo zokwenziwa, ezifana ne-polyester, kwaye eli xabiso linyukileyo lidla ngokudluliselwa kumthengi wokugqibela.
Kubalulekile ukucacisa, nangona kunjalo, ukuba eli xabiso linyukileyo lisebenza kuphela kwilaphu le-polypropylene elenzelwe ukwenziwa impahla. Iindidi ezahlukeneyo zelaphu le-polypropylene ezingafanelanga impahla zithengiswa ngamaxabiso aphantsi, kwaye ngokubanzi azibizi kakhulu. Ezi laphu ziza ngemibala eyahlukeneyo kunye nobume obahlukeneyo.
Ziziphi iintlobo ezahlukeneyo zelaphu lePolypropylene ezikhoyo?
Iindidi ezahlukeneyo zezongezo zingongezwa kwi-polypro ngelixa ikwimeko yayo yolwelo ukutshintsha iimpawu zesi sixhobo. Ukongeza, kukho iintlobo ezimbini eziphambili zale plastiki:
• I-polypropylene ye-homopolymer: I-polypro plastic ithathwa njenge-homopolymer xa ikwimeko yayo yokuqala ngaphandle kwezongezo. Olu hlobo lwe-polypro plastic alujongwa njengesixhobo esifanelekileyo kwilaphu.
• I-Copolymer polypropylene: Uninzi lweentlobo zelaphu ze-polypropylene ziyi-copolymer. Olu hlobo lweplastiki ye-polypro lwahlulwe ngakumbi lwaba yi-block copolymer polypropylene kunye ne-random copolymer polypropylene. Iiyunithi ze-co-monomer kwimo yebhloko yale plastiki zicwangciswe ngokweepateni zesikwere eziqhelekileyo, kodwa iiyunithi ze-co-monomer kwimo ye-random zicwangciswe ngokweepateni ze-random. Nokuba yibhloko okanye yi-random polypropylene ifanelekile kwizicelo zelaphu, kodwa iplastiki ye-block polypro isetyenziswa kakhulu.
Ixesha lokuthumela: Meyi-25-2022
