Indima ye-CPE KWI-PVC YOMTHINI-IPLASTIC COMPOSITES
Ukusebenzisa i-CPE kunye nePVC ezixutywe iingcango zeplastiki kunye neefestile, ukuqina, ukuqina kunye nokusebenza kobushushu obuphantsi buphuculwe kakhulu, kunye nokumelana nemozulu, ukumelana nobushushu kunye nokuzinza kweekhemikhali kulungile.
PVC umthi-iplastiki izinto ezidityanisiweyo ikakhulu iqulunqwe intlaka PVC kunye nokugcwaliswa.Ngokudibanisa nemicu yezityalo, uhlengahlengiso lwetekhnoloji yefomula, kunye nokuguqulwa komzimba kunye ne-CPE yokuguqula (i-polyethylene eklorini) (enefuthe elongezelelweyo kunye nefuthe lokuguqulwa), enokuphucula ukuqina, ukuqina, amandla, ukuxhathisa ubushushu kunye nokubuyiswa komlilo wemveliso ( ngaphakathi koluhlu oluvumelekileyo lweemfuno zepropathi ebonakalayo, ukuphakama komxholo weklorini ye-CPE, ngcono isiphumo se-flame retardancy), ukwandisa amandla okuqina, ukuphucula i-brittleness kunye ne-creep resistance ye-PVC.
Indlela yokubumba i-extrusion ye-PVC yomthi-iplastiki yezixhobo ezidibeneyo yahluke kakhulu kwizinto eziqhelekileyo zeplastiki.Ekubeni icandelo eliphambili le-fiber yezityalo yi-cellulose, i-cellulose iqulethe inani elikhulu lamaqela e-hydroxyl, kwaye la maqela e-hydroxyl enza i-intermolecular hydrogen bond, eyenza imicu yezityalo ibe ne-polarity enamandla kunye nokufunxa kwamanzi.Kwelinye icala, uninzi lwemathiriyeli ye-thermoplastic ayiyo-polar kunye ne-hydrophobic, ngoko ke ukuhambelana phakathi kwezi zibini kubi kakhulu, amandla okudibanisa kwi-interface encinci, kwaye inani lokuzaliswa kwemicu yezityalo likhulu, ngoko ke ukuguquguquka kunye nokuqhubekeka. izinto ziba mbi , ukuxova kunye nokubumba i-extrusion kuba nzima.Ngoko ke, ukuphucula ukuqulunqwa kwezinto ezixutywe ngamaplanga-plastiki kuye kwadlala indima enhle ekuphuculeni ukubunjwa kokubumba kunye nokusebenza kwemveliso.
I-CPE yaphuhliswa ekuqaleni ngokukhawuleza njenge-PVC modifier, kwaye i-PVC elungisiweyo iseyenye yezona nkalo zesicelo ezibalulekileyo ze-CPE.I-CPE ineempawu ezigqwesileyo zokuzalisa, kunye nenani elikhulu leefayile ezahlukeneyo ezinokuthi zongezwe ukuphucula iimpawu zayo zokuxinana, ukunyanzeliswa kunye nokuguqulwa okusisigxina, kunye nokunciphisa iindleko.Ixabiso lokusetyenziswa kwePVC elungisiweyo nayo iphuculwe.
Kwi-software elungisiweyo ye-CPE kunye neemveliso ze-PVC ezinzima, xa kuthelekiswa nezinye iipolymers ezifana ne-PE kunye ne-PP, umphumo we-flame retardant ubaluleke kakhulu.Iimveliso ezininzi ze-PVC ezinzima ziguqulwa kunye ne-CPE yesilungiso esinomxholo we-chlorine we-36%, kwaye amandla ayo aphezulu empembelelo adla ngokufunyanwa yi-CPE kunye ne-athomu zeklorini ezisasazwa ngokungenamkhethe kwikhonkco eliphambili le-polyethylene.Ke ngoko, esi silungisi sinokuphuculwa kakhulu ngokwemigaqo yokuqhubekeka, ukusasazeka, kunye namandla empembelelo.
UKUFAKWA KWE-CPE KWI-INGCINGA YOKUFUMANA INTO, ITAYA, IBHATHI
Ekubeni i-molecule ye-CPE ingenawo amakhonkco aphindwe kabini, inokumelana nemozulu elungileyo, ukumelana nomlilo, ukuzinza kwe-thermal engcono kune-PVC, ixabiso eliphantsi kunye nokusebenza okugqwesileyo.Inyibilika kwiihydrocarbons ezinevumba elimnandi kunye nehalogenated hydrocarbons, enganyibilikiyo kwialiphatic hydrocarbons, ibola ngaphezulu kwe-170 ° C, kwaye ikhupha igesi yehydrogen chloride.Inokwakheka kweekhemikhali ezizinzileyo, ukumelana nokuguga okugqwesileyo, ukumelana nedangatye, ukumelana nokubanda, ukumelana nemozulu, umbala osimahla, ukumelana nemichiza, ukumelana ne-ozone kunye nokugqunyelelwa kombane, ukuhambelana kakuhle kunye nokuqhubekeka, inokudityaniswa ne-PVC, i-PE, i-PS kunye nerubha ukuya. ukuphucula iimpawu zayo zomzimba.
I-CPE luhlobo olutsha lwezinto zokwenziwa ezinothotho lweepropati ezigqwesileyo.Yimpembelelo egqwesileyo yokuguqula iiplastiki zePVC kunye nerabha eyenziweyo eneempawu ezilungileyo ezibanzi.Inoluhlu olubanzi kakhulu lwezicelo kwaye isetyenziswe ngokubanzi kwiintambo, iingcingo, ithumbu, iiteyiphu, irabha kunye neemveliso zeplastiki, izinto zokutywina, kunye namabhanti okuhambisa amadangatye., inwebu engenamanzi, ifilimu kunye nezixhobo ezahlukeneyo zeprofayili kunye nezinye iimveliso.I-CPE inokudityaniswa ne-polypropylene, i-polyethylene ephezulu kunye nephantsi yoxinzelelo, i-ABS, njl.I-CPE inokuthathwa njenge-copolymer engahleliwe ye-ethylene, i-polyethylene kunye ne-1.2-dichlorethylene.Itsheyini yayo yemolekyuli igcwele kwaye iiathomu zeklorini emhlophe zisasazwa ngokungacwangciswanga.Ngenxa yeempawu zayo ezibalaseleyo zomzimba kunye neekhemikhali, isetyenziswa kakhulu koomatshini kunye nombane., iikhemikhali, izinto zokwakha kunye namashishini emigodi.Ukumelana nobushushu be-CPE, ukuxhathisa kwe-ozone kunye nokumelana nemozulu, ukuchasana nokuguga kungcono kune-rubber eninzi, ukuxhathisa i-oyile kungcono kunerubha ye-nitrile (ABR), i-neoprene (CR), ukumelana nokuguga kungcono kune-chlorosulfonated vinyl chloride (CSM);ukumelana neasidi, ialkali, ityuwa kunye nezinye iipropati ezonakalisayo, non-ityhefu, idangatye retardant, akukho ngozi ugqabhuko.
UKUFAKA ISICELO SE-CPE NGE-INKI
I-Chlorinated polyethylene inokucutshungulwa ngokubumba inaliti kunye ne-extrusion molding.Nangona kunjalo, ekubeni i-CPE iqulethe inani elikhulu le-athomu yeklorini, inxalenye ethile ye-stabilizers yokushisa, i-antioxidants kunye ne-stabilizers yokukhanya kufuneka yongezwe kwi-CPE ngaphambi kokubumba ukukhusela ukuzinza kokubunjwa kwayo kunye nokusebenza.I-CPE ephantsi-khlorine nazo ziyafumaneka ekubumbeni okujikelezayo kunye nokubunjwa kokuvuthela.
Okwangoku, i-polyethylene eneklorini isetyenziswa kakhulu njenge-modifier ye-PVC, i-HDPE kunye ne-MBS kwishishini lemveliso yeplastiki.Emva kokuxuba inxalenye ethile ye-CPE kwi-polyvinyl chloride resin, inokukhutshelwa kwiimveliso ezifana nemibhobho, iipleyiti, i-wire insulation coatings, iiprofayili, iifilimu, iifilimu ezicuthayo, njl njl kunye nezixhobo zokusebenza zePVC ngokubanzi;ingasetyenziselwa ukugquma, ukunyanzeliswa ukubumba, njl. Iplastiki, i-lamination, i-bonding, njl.;isetyenziswe njenge-modifier ye-PVC kunye ne-PE, enokuphucula ukusebenza kwemveliso, ukuphucula i-elasticity, ukuqina kunye nokusebenza kweqondo lokushisa eliphantsi kwe-PVC, kunye nokunciphisa ukushisa kwe-embrittlement ukuya kwi-40 ° C;ukumelana nemozulu, ukumelana nobushushu kunye nokuzinza kweekhemikhali nazo ziphezulu kunezinye izilungisi;njengesilungisi se-PE, inokuphucula ukuprintwa, ukunqandwa komlilo kunye nokuguquguquka kweemveliso zayo, kunye nokwandisa ubuninzi be-PE foam.
I-Chlorinated polyethylene resin luhlobo olutsha lwezinto zokwenziwa kunye noluhlu lweempawu ezibalaseleyo.Yimpembelelo egqwesileyo yokuguqula iiplastiki zePVC kunye nerabha eyenziweyo eneempawu ezilungileyo ezibanzi.Inoluhlu olubanzi kakhulu lwezicelo kwaye isetyenziswe ngokubanzi kwiintambo, iingcingo, ithumbu, iiteyiphu, irabha kunye neemveliso zeplastiki, izinto zokutywina, kunye namabhanti okuhambisa amadangatye., inwebu engenamanzi, ifilimu kunye nezixhobo ezahlukeneyo zeprofayili kunye nezinye iimveliso.I-CPE inokudityaniswa ne-polypropylene, i-polyethylene ephezulu kunye nephantsi yoxinzelelo, i-ABS, njl.I-CPE inokuthathwa njenge-copolymer engahleliwe ye-ethylene, i-polyethylene kunye ne-1.2-dichlorethylene.Itsheyini yayo yemolekyuli igcwele kwaye iiathomu zeklorini emhlophe zisasazwa ngokungacwangciswanga.Ngenxa yeempawu zayo ezibalaseleyo zomzimba kunye neekhemikhali, isetyenziswa kakhulu koomatshini kunye nombane.
iikhemikhali, izixhobo zokwakha kunye namashishini emigodi.Ukumelana nobushushu be-CPE, ukuxhathisa kwe-ozone kunye nokumelana nemozulu, ukuchasana nokuguga kungcono kune-rubber eninzi, ukuxhathisa i-oyile kungcono kunerubha ye-nitrile (ABR), i-neoprene (CR), ukumelana nokuguga kungcono kune-chlorosulfonated vinyl chloride (CSM);ukumelana neasidi, ialkali, ityuwa kunye nezinye iipropati ezonakalisayo, non-ityhefu, idangatye retardant, akukho ngozi ugqabhuko.
Isetyenziswa kakhulu kwi: ucingo kunye nentambo (iintambo zamalahle, iingcingo ezichazwe kwimigangatho ye-UL kunye ne-VDE), i-hydraulic hoses, i-hoses ye-automotive, i-tapes, i-rubber sheets, i-PVC iprofayili yokuguqulwa kombhobho, izinto eziphathekayo, ukuguqulwa kwe-ABS, njl.
UKWENZA ISICELO SE-CPE KWIFILM
1. I-Plasticizers kunye ne-antioxidants ezisetyenziswe kwi-rubber kunye neeplastiki zisebenza ngakumbi kwi-semi-rigid kunye ne-PVC ethambileyo, ngakumbi kwi-injection yokubumba kunye neemveliso ezicutshungulwayo zesibini.Sebenzisa i-CPE njengePVC plasticizer, akukho ukubuna, akukho mfuduko, akukho kutsalwa, kwaye inokumelana ne-ozonation kunye nokumelana nokubola, ukuhambelana okuhle.Xa usenza iifilimu, isikhumba sokufakelwa, izicathulo zezicathulo, i-hoses, njl., inokunyusa ukuthamba, umbala kunye nokwandisa ubomi benkonzo yeemveliso.Isetyenziselwa ukwenza imibhobho enqanda ukudumba, iingcingo, iipleyiti, kunye neendawo ezicinezelekileyo zamasimi e-oyile, kwaye ixabiso layo liyi-30% ukuya kuma-40% ngaphantsi kunezinye iPVC ezilungisiweyo.I-foam enganyangekiyo kunye ne-flame-resistant-resistant i-foam inokwenziwa ngokuxuba i-CPE kunye ne-PE kunye ne-PP, kwaye ukusebenza kwayo kungcono kune-polyurethane kunye ne-polystyrene foam.Ukusebenzisa i-CPE njenge-plasticizer esisigxina ye-ABS, i-AS, i-PS, njl. njl
2. Isetyenziswe kwi-rubber composite materials CPE yirabha ekhethekileyo yokwenziwa kunye nokusebenza okugqwesileyo, ngokukodwa ifanelekile iingcingo kunye neentambo ezineemfuno eziphezulu zokumelana nokushisa, ukutshatyalaliswa komlilo kunye neempawu zombane, kunye namabhanti aphezulu okuhambisa i-flame-retardant.Ingasetyenziselwa imibhobho yeoli, ukwakha i-membrane engenamanzi kunye nezixhobo zekhemikhali ze-linings, njl. njl. Ngokufana nerubha, iindleko zayo ziphantsi kune-neoprene kunye ne-nitrile rubber, kwaye ingasetyenziselwa kwishishini lecingo kunye nentambo, iimoto zemoto, i-hoses ephezulu kunye ne-oil resistant hoses, i-hoses, njl. iyafana naleyo yerabha eneklorini.Ukongeza, i-CPE isetyenziswa ngokubanzi kwiimveliso ezahlukeneyo zerabha.
3. I-CPE yokudibanisa i-CPE / i-styrene / i-acrylonitrile copolymer inefuthe eliphezulu lokuchasana, ukutshatyalaliswa komlilo, ukuchasana kwemozulu kunye nokumelana nokushisa okuphantsi, kunye nensimu yesicelo sayo inokukhuphisana ne-ABS.I-CPE/styrene/methacrylic acid copolymer inamandla amakhulu empembelelo, ukungafihli kunye nokuzinza kwemozulu.Ukudibanisa i-CPE kunye ne-NBR kunokuphucula iimpawu ezahlukeneyo ze-NBR kwaye ingasetyenziselwa ukuvelisa umbhobho werabha onganyangekiyo kwioli.I-CPE ingasetyenziswa kunye ne-SBR ukuvelisa imibhobho yerabha kunye neembrane ezingangeni manzi;isetyenziswa kunye nerabha yenjongo jikelele, inokusetyenziswa njengeemveliso zerabha ezifana nelaphu lemvula, amavili ebhayisekile anemibala, imibhobho yomoya engatshiyo, kunye neentambo.EJapan, ubukhulu becala i-CPE idityaniswe nerubha kunye nezixhobo zeplastiki ukuphucula ukusebenza komgangatho, inkangeleko yemveliso kunye nomgangatho wangaphakathi.Ngokunyuka kwemveliso ye-CPE kunye nokuphuculwa kobugcisa bokucubungula, i-CPE / EVA i-blends nayo inokuveliswa, enozinzo oluhle lwe-dimensional kwaye isetyenziselwa ukuvelisa amacwecwe agcinwe kumaqondo aphantsi.I-CPE / i-chlorinated styrene isetyenziselwa ukuveliswa kwee-insulators zombane, i-flame retardant foams, iingubo, njl.
4. I-CPE yeengubo ezikhethekileyo kunye neembrane ezingenamanzi zingenziwa kwiingubo ezikhethekileyo, ezifana ne-anti-corrosion coatings, i-anti-fouling, i-waterproofing, njl., Ukutshintsha ezinye iingubo.I-CPE/PVC idityanisiwe ukwenza inwebu engangeni manzi, eyimathiriyeli engangeni manzi ephakathi.Ukumelana nemozulu yayo, ukuxhathisa kwe-ozone, kunye nokutshatyalaliswa komlilo kufana nezo ze-ethylene-propylene ye-rubber membranes ephezulu, kwaye inexabiso eliphantsi kunye nokusebenza kakuhle kokwakhiwa.Ukunyibilikisa i-CPE kwizinyibilikisi eziqhelekileyo kunokwenza i-anti-corrosion coatings.Emva kokudibanisa i-CPE kunye ne-asphalt, njl., isoloko isetyenziselwa ukuvelisa uphahla olungenamanzi kunye nokusebenza okungcono.
5. I-polyethylene ene-chlorine ephezulu I-polyethylene ene-chlorine ephezulu inomxholo we-chlorine we-61% ukuya kwi-75%.Yimveliso enzima, enganyangekiyo ekushiseni, efana neglasi ephezulu, kunye nefilimu eyenziwe ngezinto ezibalaseleyo.Iyakwazi ukuxutywa ngepeyinti ye-alkyd, i-epoxy resin, i-phenolic, i-polyester engaxutywanga, i-polyacrylate, njl njl. ukwenza iingubo ezichasene ne-corrosion kunye nokuzinza kweekhemikhali ezilungileyo.Ukungakhathali kwedangatye, ukumelana nokudleka, ukumelana nemozulu, kunye nokwaluka kwayo zonke zingcono kunerabha eneklorini.Enye irabha ekloriniwe.I-polyethylene ene-chlorine ephezulu ineempawu ezintle zokubambelela kwintsimbi kunye nekhonkrithi, ngoko inomphumo okhuselekileyo wokukhusela kwezi zinto.I-polyethylene eneklorini ephezulu ine-miscibility elungileyo kunye ne-inorganic kunye ne-organic pigments, kwaye ingasetyenziselwa ukwenza iingubo zokunqanda umlilo.
6. Ezinye izicelo Ukongeza i-CPE kwi-oyile yamafutha inokunciphisa indawo yayo yokukhenkcela, kwaye izongezo zeoyile yegiya inokuphucula ukuxhathisa kweoyile kuxinzelelo.Ukongeza i-CPE kwioli yokusika kunye neoli yokugaya kunokuphucula ubomi benkonzo yezixhobo.Ukongeza, i-CPE iphinda isetyenziswe kwii-softeners zesikhumba kunye ne-thickeners yee-inki zokuprinta, njl., kwaye uluhlu lwesicelo lwayo luhlala lusanda.
IYINTONI Indima EYONGEZA I-CPE KWIMVELISO YEPlastiki?
I-Chlorinated polyethylene (CPE) yimathiriyeli egcweleyo yepolymer, imbonakalo ingumgubo omhlophe, ayinayo ityhefu kwaye ayinancasa, inokumelana nemozulu entle, ukuxhathisa kwe-ozone, ukuxhathisa iikhemikhali kunye nokumelana nokuguga, kwaye inokumelana ne-oyile elungileyo, ukubuyiswa komlilo kunye nokusebenza kombala.Ukuqina okulungileyo (kusaguquguquka kwi -30 ° C), ukuhambelana kakuhle nezinye izinto zepolymer, ukushisa okuphezulu kokubola, ukubola ukuvelisa i-HCl, i-HCL inokubangela ukusabela kwe-dechlorination ye-CPE.I-Chlorinated polyethylene yimathiriyeli ye-polymer eyenziwe kwi-high-density polyethylene (HDPE) ngokusebenzisa i-chlorination substitution reaction.Ngokwezakhiwo ezahlukeneyo kunye nokusetyenziswa, i-polyethylene ene-chlorine inokwahlulwa ibe yi-resin yohlobo lwe-polyethylene e-chlorinated (CPE) kunye ne-elastomer yohlobo lwe-chlorinated polyethylene (CM).Ukongeza ekusebenziseni yodwa, i-thermoplastic resins inokudityaniswa ne-polyvinyl chloride (PVC), i-polyethylene (PE), i-polypropylene (PP), i-polystyrene (PS), i-ABS kunye ne-polyurethane (PU).Kwishishini le-rubber, i-CPE ingasetyenziselwa njenge-rubber ephezulu, i-high-quality ekhethekileyo, kwaye ingasetyenziselwa kunye ne-ethylene-propylene rubber (EPR), irabha ye-butyl (IIR), i-nitrile rubber (NBR), i-chlorosulfonated polyethylene ( CSM), njl. Ezinye iingxube zerabha ziyasetyenziswa.
