Tasirin vulcanization akan tsari da kaddarorin:
A cikin tsarin samar da samfuran roba, vulcanization shine mataki na ƙarshe na sarrafawa.A cikin wannan tsari, robar yana jujjuya nau'ikan halayen sinadarai masu rikitarwa, yana canzawa daga tsarin layi zuwa tsari mai siffar jiki, yana rasa filastik na roba mai gauraya kuma yana da babban elasticity na roba mai haɗin giciye, ta yadda zai sami kyakkyawan jiki da na inji. kaddarorin, juriya na zafi Ayyukan, juriya mai ƙarfi da juriya na lalata suna haɓaka ƙimar amfani da kewayon aikace-aikacen samfuran roba.
Kafin vulcanization: tsarin layi, hulɗar intermolecular ta van der Waals karfi;
Properties: babban plasticity, high elongation, da solubility;
A lokacin vulcanization: an ƙaddamar da kwayoyin halitta, kuma ana haifar da haɗin haɗin gwiwar sinadarai;
Bayan vulcanization: tsarin cibiyar sadarwa, intermolecular tare da haɗin sunadarai;
Tsarin:
(1) haɗin sinadarai;
(2) Matsayin haɗin haɗin kai;
(3) Digiri na haɗin kai;
(4) Haɗin kai;.
Kaddarori:
(1) Mechanical Properties (ƙarfin elongation na yau da kullun. Hardness. Ƙarfin ƙarfi. Ƙarfafawa. Ƙarfafawa);
(2) Kaddarorin jiki
(3) Chemical kwanciyar hankali bayan vulcanization;
Canje-canje a cikin kaddarorin roba:
Ɗaukar roba na halitta a matsayin misali, tare da karuwar digiri na vulcanization;
(1) Canje-canje a cikin kayan aikin injiniya (lasticity. Ƙarfin hawaye. Ƙarfin ƙarfi. Ƙarfin hawaye. Ƙarfin ƙarfi) Ƙarfafawa (Ƙaƙwalwar Ƙaƙwalwar Ƙaƙwalwar Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarfafawa).
(2) Canje-canje a cikin kaddarorin jiki, haɓakar iska da ƙarancin ruwa suna raguwa, ba za su iya narke ba, kawai kumbura, haɓaka juriya na zafi.
(3) Canje-canje a cikin kwanciyar hankali na sinadarai
Ƙara yawan kwanciyar hankali, dalilai
a.Haɗin haɗin giciye yana sa ƙungiyoyin da ke aiki da sinadarai ko atom ɗin su daina wanzuwa, yana mai da wahala ga yanayin tsufa ya ci gaba.
b.Tsarin hanyar sadarwa yana hana yaduwar ƙananan ƙwayoyin cuta, yana sa ya zama da wahala ga radicals na roba.
Zaɓi da Ƙaddamar da Sharuɗɗan Vulcanization na Rubber
1. Vulcanization matsa lamba
(1) Ana buƙatar matsa lamba lokacin da samfuran roba suka lalace.Manufar ita ce:
a.Hana roba daga samar da kumfa da kuma inganta m na roba;
b.Yi kayan aikin roba ya gudana kuma cika ƙirar don yin samfurori tare da bayyanannun alamu
c.Haɓaka mannewa tsakanin kowane Layer (launi mai mannewa da shimfidar zane ko Layer na ƙarfe, Layer na zane da Layer na zane) a cikin samfurin, kuma inganta halayen zahiri (kamar juriya mai sassauƙa) na vulcanizate.
(2) Gabaɗaya magana, zaɓin matsa lamba vulcanization yakamata a ƙayyade gwargwadon nau'in samfur, dabara, filastik da sauran abubuwan.
(3) A ka'ida, ya kamata a bi dokoki masu zuwa: filastik yana da girma, matsa lamba ya kamata ya zama karami;kauri samfurin, adadin yadudduka, da tsarin hadaddun ya kamata ya fi girma;matsin lamba na samfuran bakin ciki ya kamata ya zama ƙarami, har ma ana iya amfani da matsa lamba na al'ada
Akwai hanyoyi da yawa na vulcanization da matsi:
(1) Na'ura mai aiki da karfin ruwa famfo yana canja wurin matsa lamba zuwa mold ta cikin lebur vulcanizer, sa'an nan kuma canja wurin matsa lamba zuwa roba fili daga mold.
(2) Matsa kai tsaye ta hanyar vulcanizing matsakaici (kamar tururi)
(3) Matsi ta hanyar matsa lamba
(4) Yin allura ta injin allura
2. Vulcanization zafin jiki da kuma curing lokaci
Zazzaɓin vulcanization shine mafi mahimmancin yanayin halayen vulcanization.Zazzaɓin vulcanization na iya shafar saurin vulcanization kai tsaye, ingancin samfur da fa'idodin tattalin arziƙin kamfani.Zazzaɓin vulcanization yana da girma, saurin vulcanization yana da sauri, kuma ingancin samarwa yana da girma;in ba haka ba, ingancin samarwa yana da ƙasa.
Ƙara yawan zafin jiki na vulcanization na iya haifar da matsaloli masu zuwa;
(1) Yana haifar da tsattsage sarkar kwayoyin roba da jujjuyawar vulcanization, yana haifar da raguwar kayan aikin injin ɗin na roba.
(2) Rage ƙarfin kayan sakawa a cikin samfuran roba
(3) An gajarta lokacin zafi na fili na roba, an rage lokacin cikawa, kuma samfurin yana da ƙarancin manne.
(4) Saboda samfuran kauri za su ƙara bambance-bambancen zafin jiki tsakanin ciki da wajen samfurin, yana haifar da rashin daidaituwa.
Lokacin aikawa: Mayu-18-2022