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Inkqubo yesenzo sokuzinzisa sePVC
Ukutshatyalaliswa kwe-PVC kubangelwa ikakhulu ukuchithwa kwe-athomu yeklorini esebenzayo kwi-molecule phantsi kokufudumala kunye ne-oksijini, okubangelwa ukuveliswa kweHCI.Ke ngoko, izinzisi zobushushu zePVC zizinza ikakhulu ezinokuthi zizinzise iiathom zeklorin kwiiathom zePVC kwaye zithintele okanye zamkele ...Funda ngokugqithisileyo -
Amanqaku aphambili okulawula inkqubo yePVC yogwebu
Ugwebu lweplastiki lunokwahlulwa lube ziinkqubo ezintathu: ukwakheka kweenuclei zeqamza, ukwandiswa kweenuclei zamaqamza, kunye nokuqiniswa kwemizimba yogwebu.Kumaphepha e-PVC amagwebu, ukwandiswa kwe-bubble core kunempembelelo eqinisekileyo kumgangatho wephepha le-foam.I-PVC yeyeemolekyuli zekhonkco elithe ngqo, w...Funda ngokugqithisileyo -
Isishwankathelo solwazi lwesicelo sePVC impembelelo modifiers
(1) I-CPE I-polyethylene ye-chlorine (CPE) yimveliso yomgubo we-chlorination emisiweyo ye-HDPE kwisigaba samanzi.Ngokunyuka kweqondo le-chlorination, i-HDPE yasekuqaleni eyikristale ngokuthe ngcembe iba yi-elastomer e-amorphous.I-CPE esetyenziswa njenge-arhente eqinisayo ngokubanzi inomxholo weklorin...Funda ngokugqithisileyo -
Iimveliso ze-PVC zogwebu zimhlophe, kodwa ngamanye amaxesha ziba tyheli xa zigcinwe ixesha elide.Siyintoni isizathu?
Okokuqala, kufuneka uqonde ukuba kukho ingxaki kwi-arhente ekhethiweyo yogwebu.Umlawuli we-PVC ogwebu amagwebu usebenzisa i-arhente yogwebu ukubola kunye nokuvelisa igesi ebangela iipores.Xa ubushushu bokusebenza bunokufikelela kwiqondo lobushushu lokubola kwearhente enogwebu, ngokwendalo ayizuku...Funda ngokugqithisileyo -
Eminye imiba malunga ne-chlorethylene ene-chlorine:
I-Chlorinated polyethylene (CPE) yimathiriyeli egcweleyo yepolymer enembonakalo yomgubo omhlophe, ayinayo ityhefu kwaye ayinavumba.Inokumelana nemozulu ebalaseleyo, ukuxhathisa kwe-ozone, ukuxhathisa imichiza, kunye nokumelana nokwaluphala, kunye nokuxhathisa okulungileyo kwe-oyile, ukubuyiswa komlilo, kunye neempawu zombala.Kulungile ...Funda ngokugqithisileyo -
Ungakanani na owaziyo malunga PVC ugwebu nabalawuli
1, indlela amagwebu: Injongo yokongeza ultra-high iipolima ubunzima molekyuli kwiimveliso amagwebu PVC kukukhuthaza plasticization of PVC;Okwesibini kukuphucula amandla okunyibilika kwezixhobo ze-PVC ze-foam, ukuthintela ukudityaniswa kwamaqamu, kunye nokufumana iimveliso ezinogwebu ezifanayo;Okwesithathu kukuba...Funda ngokugqithisileyo -
Ziziphi izizathu zokutshintsha kombala wePVC ugwebu abalawuli
Iimveliso ze-PVC zogwebu zimhlophe, kodwa ngamanye amaxesha ziba tyheli xa zigcinwe ixesha elide.Siyintoni isizathu?Okokuqala, kufuneka uqonde ukuba kukho ingxaki kwi-arhente ekhethiweyo yogwebu.Umlawuli we-PVC ogwebu ugwebu usebenzisa i-arhente yogwebu ukubola kunye nokuvelisa irhasi ebangela imingxuma....Funda ngokugqithisileyo -
Uwuphucula njani umgangatho wabalawuli bezinto eziphathekayo zePVC
Kukho iindlela ezininzi zokuphucula umgangatho wabalawuli bePVC abagwebu.Eyona nto iphambili kukunyusa amandla okunyibilika kwePVC.Ngoko ke, indlela efanelekileyo yokongeza izongezo zokuphucula amandla okunyibilika kunye nokunciphisa ubushushu bokusebenza.Izilawuli zePVC zogwebu zinokunceda iimveliso zogwebu zePVC ukuba zibonelele...Funda ngokugqithisileyo -
Wazi kangakanani malunga nezixhobo zokusetyenzwa kwe-ACR?
I-PVC ibuthathaka kakhulu kubushushu.Xa iqondo lobushushu lifikelela kuma-90 ℃, intshukumo encinci yokubola kwe-thermal iqala.Xa ubushushu bunyuka ukuya kwi-120 ℃, ukusabela kokubola kuyaqina.Emva kokufudumeza kwi-150 ℃ imizuzu eyi-10, i-PVC resin itshintsha ngokuthe ngcembe ukusuka kumbala wayo omhlophe ...Funda ngokugqithisileyo -
Intshayelelo ekusebenzeni kwe-calcium zinc stabilizers
Intshayelelo ekusebenzeni kwe-calcium zinc stabilizers: I-zinc stabilizer idityaniswe kusetyenziswa inkqubo ekhethekileyo edibeneyo kunye neetyuwa ze-calcium, i-zinc salts, i-lubricants, i-antioxidants, kunye nezinye izinto eziphambili.Ayinakuthatha indawo kuphela izizinzi ezinetyhefu ezifana neetyuwa zetyuwa kunye ne-organic tin, kodwa ...Funda ngokugqithisileyo -
Indlela yokuZinzisa ubushushu bePVC
I-1) Gcoba kwaye unciphise i-HCL, inqanda umphumo wayo we-auto catalytic.Olu hlobo lwe-stabilizer lubandakanya iityuwa ezikhokelayo, iisepha ze-organic acid zesinyithi, iikhompawundi ze-organotin, iikhompawundi ze-epoxy, iityuwa ezingaphiliyo, kunye neetyuwa ze-thiol zetsimbi.Banokusabela nge-HCL kwaye banqande ukuphendula kwe-PVC ukususa i-HCL.2) Ukutshintshwa...Funda ngokugqithisileyo -
Impembelelo ye-synergistic ye-organic tin kunye ne-powder calcium zinc stabilizers kwi-polyvinyl chloride (PVC)
Impembelelo ye-synergistic ye-organic tin kunye ne-powder calcium zinc stabilizers kwi-polyvinyl chloride (PVC): I-Organic tin stabilizers (thiol methyl tin) luhlobo oluqhelekileyo olusetyenziswayo lwe-PVC yokushisa ukushisa.Basabela nge-acidic hydrogen chloride (HCl) kwi-PVC ukwenza iityuwa ezingenabungozi ezingenabungozi (ezifana ne-tin ch...Funda ngokugqithisileyo
