Silicone kumfa, kuma aka sani da gyare-gyaren silicone, samfuri ne mai ƙyalli na roba wanda aka yi da roba na siliki a matsayin kayan tushe kuma ana samarwa ta hanyar kumfa.

 

　　Tare da ci gaba da haɓakawa da haɓaka fasahar kumfa, amma kuma saboda halayensa masu kyau, wuraren aikace-aikacen sun fi yawa, kamar su shingen shinge, shingen shinge, gacets gini, kayan keɓewar girgiza, kayan kariya da sauransu.

 

Ka'idar kumfa silicone

 

　　Kumfa silicone roba, ka'idar ita ce ƙara kumfa wakili a cikin zaɓaɓɓen siliki roba fili, a ƙarƙashin matsin jihar dumama vulcanization silicone roba kumfa, roba fadada ta samar da wani soso-kamar kumfa tsarin. Babban abubuwan da ke ƙayyadewa da tasiri akan tsarin kumfa shine yawan iskar gas da mai busawa ke haifarwa, saurin yaduwar iskar gas a cikin roba, danko na roba da saurin vulcanization. Don yin mafi kyawun samfuran kumfa na silicone, zaɓin nau'ikan nau'ikan nau'ikan kumfa da tsarin lalata roba shine mabuɗin.

 

　　Silicone kumfa samar tsari

 

　　Silicone kumfa yana buƙatar shiga cikin jerin hanyoyin samar da kayan aiki, fasahar sarrafa kayan aiki, kowane haɗin gwiwa zai sami tasiri akan kumfa na silicone da aka gama.

 

　　1, Plasticizing (wato, roba na danyen roba refining. Wato, babu additives a cikin bude refining inji refining. Bari roba tausasa ya narke a cikin cooperating wakili (don shirya domin hadawa).

 

　　Asalin gyaran roba na danyen roba shine karya da lalata sarkar macromolecular na roba, inganta robobin roba, da kuma sa hadawa da hadewar fili cikin sauki. A cikin samar da samfuran roba mai kumfa, ɗanyen roba yana da cikakkiyar filastik, zai sa filastik roba ya fi kyau, mai sauƙin yin daidaitaccen ramin kumfa, ƙarancin ƙima, ƙananan samfuran raguwa.

 

2, hadawa, wato robar da aka yi masa robobi don kara wasu nau'o'i daban-daban (additives) don tacewa.

 

Tsarin hadawa shine nau'ikan wakilai daban-daban a cikin ɗanyen roba (ko roba mai filastik) a cikin aiwatar da tarwatsewar uniform. Kamar yadda yake tare da haɗakar sauran kayan polymer, don yin compatibilizer daidai gauraye a cikin ɗanyen roba, dole ne a yi amfani da aikin injin mai ƙarfi na injin tacewa. Duk da haka, saboda mahadi na roba yana da ƙarin abubuwan haɗin gwiwa, yanayin halayen halayen haɗin gwiwar sun bambanta sosai, kuma tasirin wakilan haɗin gwiwar kan tsarin hadawa, matakin watsawa, da tsarin ginin roba shima yana da girma sosai. don haka tsarin hadawa na roba ya fi rikitarwa fiye da na sauran kayan polymer.

 

Tsarin haɗuwa yana da tasiri mai mahimmanci akan aikin kayan aikin roba. Mixing ba shi da kyau, da roba za su zama m watsawa na compatibilizer, plasticity na roba ne ma high ko kuma low, kona, sanyi da sauran mamaki, wanda ba kawai sa calendering, latsa, gyare-gyaren da vulcanization tsari ba za a iya dauka. fita akai-akai, amma kuma yana haifar da aikin ƙaƙƙarfan lalacewar samfur, kuma yana iya haifar da samfurin farkon ƙarshen rayuwa. Saboda haka, hadawa yana ɗaya daga cikin mahimman matakai a cikin sarrafa roba.

 

　　3,Yin kiliya

 

　　Rubber a cikin hadawa an gama, dole ne a sanya shi don lokacin da ya dace, don haka nau'ikan addittu iri-iri a cikin haɗaɗɗun roba cikakke tarwatsewa, ƙari na roba ya tarwatse sosai, kwanciyar hankali na girman samfurin, matakin santsi na surface, da mataki na uniformity na kumfa kuma shi ne mafi alhẽri.

 

　　3,Zazzabi

 

　　Rubber kumfa yana da matukar damuwa ga zafin jiki, nau'in roba iri ɗaya, tasirin kumfa ba iri ɗaya ba ne a yanayin zafi daban-daban, saboda tsarin kumfa da tsarin vulcanization yana kula da zafin jiki na digiri daban-daban, tsarin yana canzawa, daidaiton digiri na bambanci. tasirin kuma ya bambanta.

 

　　4, yin gyare-gyare

 

　　Foamed roba kayayyakin m aiki da gyare-gyare hanyoyin ne extrusion gyare-gyaren, gyare-gyaren, farantin gyare-gyaren, da dai sauransu, daidai da da ake bukata tsarin na ƙãre samfurin, bayani dalla-dalla, tsawon, size, siffar, taurin, launi ne daban-daban, kazalika da musamman na musamman. Bukatun zane-zane, zaku iya aiwatar da gyare-gyaren da ba daidai ba.