iindaba

I-Chlorinated polyvinyl chloride (CPVC) yimathiriyeli yepolymer efunyenwe emva kokugqithiswa kwe-chlorination ye-PVC.Iimpawu ezibonakalayo kunye neekhemikhali zitshintsha kakhulu: ngokunyuka komxholo we-chlorine, ukungahambi kakuhle kwe-molecular chain chain kunye ne-crystallinity iyancipha;i-polarity ye-molecular chain yanda, amandla e-intermolecular ayanda, ukushisa kwe-thermal deformation kwandisa kakhulu, kwaye iimpawu zomatshini ziphuculwe.

I-CPVC ingcono kakhulu kune-PVC ekuxhathiseni imozulu, ukuxhathisa ukwaluphala kunye ne-flame retardant.Ngokomzekelo, emva kwe-chlorination, umda we-oxygen index ye-PVC uya kunyuka ukusuka kwi-45 ~ 49 ukuya>> 70 (equkethe i-67% ye-chlorine ye-CPVC), kunye nomthamo womsi kunye nekhabhoni eseleyo kwilangatye liya kuncitshiswa kakhulu.Inkqubo ye-chlorine ichaphazele iipropati zeemveliso.Umxholo we-chlorine we-PVC ungafikelela kwi-73% emva kokuxutywa kweklorini.

Ngokuqhelekileyo ngenkqubo yokumiswa kwesigaba samanzi, emva kokuxuba i-PVC ye-resin, nge-chlorination, i-filtration, ukuhlamba, i-CPVC yemveliso ye-neutralization, inkqubo yokomisa igqityiwe, umgangatho wePVC yokukhetha umgubo wezinto zomthi kubaluleke kakhulu, ngokukodwa okuchaphazela ukuzinza kwe-machining, ukuzinza kwe-thermal) , Ukukhethwa kwe PVC resin ekrwada imathiriyeli evulekileyo, ngesikhumba sibhityile kangangoko kunokwenzeka, ulwakhiwo idigri ecocekileyo elungileyo.Isiqulatho seklorine ngokubanzi ngama-63% ~ 67%.Ukumelana nemozulu yayo, ukuxhathisa komhlwa, ukumelana nokwaluphala kunye nokutsha okungalawulekiyo kwelangatye kungcono kakhulu kunentlaka yePVC eqhelekileyo.Isiqulatho seklorini siyenyuka, ngoko ke iqondo lobushushu le-vica liye landa kakhulu, i-35℃ liphezulu kunentlaka ye-PVC, elona qondo lobushushu liphezulu lixhathisa ukuya kuthi ga kwi-130 ℃, lilungele imibhobho ekwazi ukumelana nobushushu kunye nokufakwa kunye neepleyiti (ezifana nemibhobho yamanzi ashushu, amalungu, ukumelana nobushushu. izixhobo zekhemikhali kunye netanki yokugcina).

I-UPVC yiPVC enzima.Isixhobo esilungisiweyo silungiswa ngokongeza inani elithile lezongezo ezilungisiweyo kwisiseko sePVC yomthi womgubo."U" i-Unplasticized (i-Unplasticized), ngoko ke umehluko omkhulu phakathi kwe-UPVC kunye ne-PVC kunye ne-PVC ethambileyo kukuba akukho plastizer eyongeziweyo, i-powder ye-calcium eninzi, amandla aphezulu omatshini wezinto eziphathekayo, ezifanelekileyo ukuveliswa kweevalve kunye nemibhobho.

I-CPVC yi-chlorinated polyvinyl chloride.Ngokusekelwe kwi-resin ye-PVC, i-CPVC yandisa umxholo we-chlorine kwizinto ze-PVC ngenkqubo ethile, ngokubanzi ukusuka kwi-63 ukuya kwi-69%, ukuze kuphuculwe ukumelana nobushushu, i-asidi, i-alkali, ityuwa kunye ne-oxidant corrosion, kunye nokuphucula i-thermal. ubushushu be-deformation kunye neempawu zoomatshini zezinto.

I-CPVC yandisa umxholo we-chlorine we-PVC resin ngeendlela zekhemikhali, ngoko ke ixabiso lezinto eziphathekayo ze-CPVC resin ziphezulu.Kwinqanaba lokugqibela, izinto ezithile ezilungisiweyo kufuneka zifakwe kwinaliti yemveliso okanye i-extrusion, ekhokelela kwixabiso eliphezulu lezinto ezilungisiweyo zeCPVC.Ixabiso lokuthengisa le-CPVC eguqulelwe ngamasuntswana e-China ngokuqhelekileyo ingaphezulu kwe-20,000 / ton.

Ngenxa yexabiso eliphezulu le-CPVC, akunakwenzeka ukuba le mathiriyeli isetyenziswe ngokubanzi njenge-UPVC.Okwangoku, i-CPVC isetyenziswa ikakhulu kwimibhobho yokulwa nomlilo, imibhobho enganyangekiyo ngamachiza kunye nemibhobho yamanzi ashushu.