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Bambance-bambance tsakanin PVC da silicone

Kayan PVC da silicone suna da fa'idodi daban-daban a cikin tsarin samarwa, musamman a rayuwarmu ta yau da kullun. Haka kuma, masana'antu daban-daban kuma suna da buƙatu daban-daban don zaɓin kayan. Sai kawai ta hanyar fahimtar yanayi da bambance-bambancen samfuran za mu iya yin mafi kyawun zaɓi. A yau, da taimakon wannan labarin, mu tunkari duniyarsu, mu bincika bambance-bambancen da ke tsakaninsu.

Gabatarwa na pvc roba

Siffar PVC farar foda ce kuma tsarin ba shi da tabbas. Matsakaicin girmansa yana kusan 1.4. Za a iya vitrified ne kawai lokacin da zafin jiki ya kai 77 ~ 90 ℃, kuma za'a iya bazuwa kawai lokacin da zafin jiki ya kai kimanin 170 ℃. PVC yana da rashin kwanciyar hankali ga haske da zafi. Misali, lokacin da zafin jiki ya kai sama da 100 ℃ ko kuma ya faɗo ga rana na dogon lokaci, zai bazu don samar da hydrogen chloride. Idan ya ci gaba a ƙarƙashin wannan yanayin, zai ƙara haɓakawa da rubewa, yana haifar da canza launi.

A lokaci guda, kayan aikin sa na zahiri da na injina suma zasu ragu. Saboda wannan sifa, yawanci muna buƙatar ƙara wani adadin stabilizer a cikin ainihin aiki da amfani don tabbatar da cewa zai iya aiki akai-akai a ƙarƙashin yanayin haske da zafi. A cikin masana'antun masana'antu na masana'antu, nauyin kwayoyin PVC yawanci tsakanin 50000 ~ 110000, kuma polydispersity na kwayoyin halitta yana da karfi, amma polymerization na kwayoyin zai kara karuwa a hankali tare da rage yawan zafin jiki; Saboda halayensa marasa ƙarfi, PVC ba shi da tsayayyen wurin narkewa. Kullum yana fara laushi a 80 ~ 85 ℃, amma lokacin da zafin jiki ya kai 130 ℃, zai zama yanayin viscoelastic.

Lokacin da zafin jiki ya kai 160 ~ 180 ℃, zai fara canzawa zuwa yanayin kwararar ruwa; PVC yana da kyawawan kaddarorin inji, tare da ƙarfin ƙarfi na kusan 60MPa da ƙarfin tasiri na 5 ~ 10kj / m2; Hakanan yana da kyawawan kaddarorin dielectric. PVC a da ita ce babbar filastik manufa ta gabaɗaya a duniya, don haka tana da aikace-aikace iri-iri. Tsarin aikace-aikacen ya haɗa da: kayan gini, samfuran masana'antu, abubuwan yau da kullun, fata na bene, fale-falen ƙasa, fata na wucin gadi, bututu, wayoyi da igiyoyi, fim ɗin marufi, kwalabe, kayan kumfa, kayan rufewa, zaruruwa, da sauransu.

Gabatarwar roba na silicone

Silicon dioxide shine babban bangaren silicon dioxide. Silicone polymer ne da aka yi daga silicon da oxygen. Silicon wani sinadari ne na halitta wanda shine na biyu mafi yawa a cikin ɓawon ƙasa, bayan iskar oxygen. Silicon baya faruwa ta halitta azaman polymer; dole ne a haɗa shi da wasu abubuwa don samar da polymers. Silicone yana da aikace-aikace da yawa, duka masana'antu da mabukaci. PVC wani abu ne da aka yi amfani da shi a ginin shekaru da yawa, yayin da silicone sabon abu ne wanda ke samun shahara.

Tsarin sinadarai na silicone shine xsio2 · yh2o, wanda yake bayyananne ko fari mai ƙarfi. Samfurin mai amfani yana da tsari mai buɗewa da ƙarfi mai ƙarfi don abubuwa daban-daban. Ana ƙara sulfuric acid (ko hydrochloric acid) a cikin ruwan gilashin ruwa mai ruwa don daidaita shi, ta yadda za a samar da ruwa mai ƙarfi na silica gel. Ana iya samun gel silica ta hanyar cire Na + da SO42 - (CL) ions daga electrolyte ta hanyar wanke ruwa. A matsayin wakili na hygroscopic, ƙimar hygroscopic na wasu gel silica yana kusan 40%, ko ma 300%. Ana amfani da shi don bushewar iskar gas, shayar da iskar gas, chromatography na ruwa, da sauransu kuma ana iya amfani dashi azaman mai kara kuzari. Idan an ƙara cobalt chloride, ruwan shuɗi da ja za a sha bayan bushewa. sake yin amfani da su.

Menene Bambanci tsakanin PVC da Silicone?

Gabaɗaya kwatanta:

  1. An yi samfuran PVC da PVC, man fetur da manna launi. Ana mai zafi da sanyaya albarkatun ƙasa ta hanyar ƙirar ƙirar micro allura. Silica gel, wanda kawai yana amfani da abubuwan sinadarai kamar silica gel tare da masterbatch kalar launi, ana saka shi a cikin ƙirar ta hanyar calendering na roba da na'ura mai tacewa, sa'an nan kuma zafi da sanyaya ta hanyar matsa lamba mai.
  2. Dangane da bayyanar, samfuran PVC sun fi samfuran silicon, tare da santsi mai laushi da launi mai haske.
  3. Bisa ga yanke hukunci, samfuran gel silica suna da taushi, tare da taurin mai kyau da elasticity. PVC yana da laushi kuma yana da wuyar gaske, duka mai laushi da wuya, daidaitacce amma ba PVC mai wuya ba.
  4. PVC abu ne na gama gari na kare muhalli, wanda kuma aka sani da atbc-pvc. Silica gel na iya wuce takaddun shaida na ROHS kuma yana da aminci ga muhalli.
  5. Samfuran silicone gabaɗaya a bayyane suke kuma suna da ɗan ƙamshi mai ƙonawa. Samfuran suna cikin siffar foda. Abubuwan filastik za su haifar da baki bayan konewa, kuma ƙanshin ƙonawa ba shi da daɗi.
  6. Samfuran gel na silica suna da zafi mai ƙarfi da juriya mai sanyi a samfuran PVC. Ana iya dumama samfuran gel ɗin silica a cikin tanda na lantarki, yayin da samfuran PVC ba za su iya ba.

Kuma akwai wasu takamaiman bayanai kwatance:

Ƙarfi: PVC ya fi ƙarfin silicone, yana mai da shi kyakkyawan zaɓi don aikace-aikacen da ke buƙatar karko.

Juriya na Zazzabi: silicone ya fi tsayayya da yanayin zafi fiye da PVC, yana mai da shi mafi kyawun zaɓi don aikace-aikacen da ke buƙatar juriya na zafi.

Sassauci: PVC ya fi sauƙi fiye da silicone, yana mai da shi mafi kyawun zaɓi don aikace-aikacen da ke buƙatar motsi.

Bayyanawa: PVC ba ta da haske fiye da silicone, yana mai da shi mafi kyawun zaɓi don aikace-aikacen da ke buƙatar ganuwa.

Farashin: PVC ba shi da tsada fiye da silicone, yana mai da shi mafi kyawun zaɓi don sanin kasafin kuɗi.

- Yi tunanin abin da kuke amfani da kayan don. Idan kuna neman wani abu da za ku yi amfani da shi a waje, kuna buƙatar wani abu wanda zai iya jure wa abubuwan.

- Yi la'akari da kasafin ku. Wasu kayan sun fi wasu tsada.

-Ka yi tunanin tsawon lokacin da kake son kashewa akan aikin. Wasu kayan sun fi sauƙi don aiki tare da wasu.

-Duba zaɓuɓɓuka daban-daban da ke akwai. Akwai nau'ikan kayan da za'a zaɓa daga ciki, don haka ɗauki lokacin ku kuma nemo wanda ya fi muku dacewa.

Kammalawa:

Akwai bambance-bambance da yawa tsakanin PVC da silicone roba. Abubuwan da ke sama sune manyan bambance-bambance. Suna da bambance-bambance masu yawa. Zaɓin takamaiman kayan yana buƙatar mu zaɓi bisa ga nau'ikan samfuran mu. Saboda samfurori daban-daban suna da nau'i daban-daban na kayan aiki, musamman ma a wasu masana'antu, ƙayyadaddun kayan kuma yana buƙatar yin la'akari da hankali kafin zaɓar.Kammalawa: PVC da silicone suna da ribobi da fursunoni daban-daban, don haka yana da muhimmanci a yi la'akari da abin da kuke bukata kafin yanke shawara. wane nau'in filastik ne ya fi dacewa don aikace-aikacen ku.

Bugu da ƙari, idan aka kwatanta da sauran kayan aikin polymer, PVC yana da fa'idodin ƙarancin farashi, babban tushen albarkatun ƙasa, tsari mai sauƙi na masana'anta, rufin wuta da hana wuta. A lokaci guda, ana iya sake yin amfani da samfurin kayan aiki kuma yana da tasirin tsafta da kare muhalli. Amma idan kana bukata tube darajar abinci kayan, silica gel ya fi dacewa. Zaɓin masu samar da inganci da inganci babu shakka muhimmin yanke shawara ne na kowace kamfani. Bai-OTT zai iya ba ku samfurori da ayyuka guda biyu tare da tabbacin inganci, wanda zai iya biyan bukatun ku. Bayan fatanmu, kuna maraba da tuntuɓar mu.

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Suconvey Rubber yana kera kewayon samfuran roba. Daga ainihin mahaɗan kasuwanci zuwa zanen gado na fasaha don dacewa da ƙayyadaddun ƙayyadaddun abokin ciniki.