Fasahar KraussMaffei tana ba ku damar ƙara graphite mai faɗaɗawa zuwa kumfa polyurethane | Duniya na composites

KraussMaffei fasaha mai faɗaɗa graphite tana ba da damar kayan da za a yi amfani da su azaman mai hana wuta, musanyawa ko ƙari ga gaurayawan ruwa.
Abubuwan da ake buƙata don juriya na wuta na sassan kumfa polyurethane suna karuwa a duk duniya, duka a cikin sassan motoci da masana'antu, da kuma saboda bukatun ka'idoji. Don saduwa da wannan bukatar, KraussMaffei (Munich, Jamus) ya sanar da cewa zai gabatar da wani cikakken tsarin ga high matsa lamba aiki na expandable graphite don cimma babban abu da kuma aiwatar yadda ya dace, da kuma Cleaner Production nuni za a gudanar a Düsseldorf, Jamus daga Oktoba 16 zuwa Oktoba 16. 2017 shekara. 19 ta.
Nicholas Bale, Shugaban Sashen Kayayyakin Kayayyakin Aiki a KraussMaffei ya ce "Ma'auni mai fa'ida shine filler mai tsada mai tsada wanda ke ba da fa'idodi masu kyau ga aikace-aikacen sarrafa kansa da yawa." "Abin takaici, wannan kayan yana kula da damuwa na inji yayin sarrafawa."
Sabon sabon shugaban matsi mai matsa lamba na KraussMaffei tare da keɓantaccen matsi da tasha na musamman don haɗawa da faɗaɗa graphite ya sa ya zama ingantaccen madadin ko ƙari ga abubuwan ƙara ruwa azaman mai hana wuta. Cikakkun sarƙoƙin tsari mai sarrafa kansa yana rage lokutan sake zagayowar abubuwa kuma yana haɓaka ingantaccen tsarin gabaɗaya.
KraussMaffei yayi iƙirarin cewa fa'idodin haɗaɗɗun allura mai matsananciyar matsa lamba don ingantattun injina na tsarin kumfa na polyurethane sosai ana iya amfani da su a aikace-aikace inda ake amfani da graphite mai faɗaɗa azaman filler. An ba da rahoton cewa wannan ya zama tushen don rage lokutan zagayowar da haɓaka haɓakar samarwa. A cikin wannan tsari, ba kamar yadda ake sarrafa ƙananan matsa lamba ba, ana cewa kai mai tsabtace kai don kawar da buƙatar yin ruwa bayan kowace allura. KraussMaffei ya ce wannan yana adana kayan aiki da lokacin samarwa kuma yana taimakawa kiyaye daidaiton ingancin samfur, yayin da kuma ke kawar da tsadar samarwa da zubar da kayan aikin. Higher matsa lamba hadawa kuma cimma mafi girma hadawa makamashi. Ana iya amfani da wannan don rage lokacin zagayowar.
Wannan fasaha ta dogara ne akan shugabannin hadawa na graphite na musamman. Sabon shugaban hadawa ya dogara ne akan babban haɗewar kai na KraussMaffei. An sanye da tsarin tare da ƙananan matsi na ƙarar ɓangaren giciye kuma an tsara shi don sarrafa graphite mai faɗaɗawa. Sakamakon haka, an rage yawan damuwa na inji da ke kan faɗaɗa ɓangarori na graphite tsakanin zagayowar zagaye na gaba na cajin polyol. Kafin a fara zubowa, abu yana zagayawa ta cikin bututun ƙarfe, yana haifar da matsa lamba. Sabili da haka, filler yana ƙarƙashin ƙarancin damuwa na inji. Tare da wannan fasaha, manyan matakan cikawa suna yiwuwa, dangane da buƙatun da tsarin albarkatun ƙasa, har zuwa fiye da 30% ta nauyin polymer. Saboda haka, zai iya kai ga babban matakin juriya na wuta UL94-V0.
A cewar KraussMaffei, cakuda polyol da fadada graphite an shirya su a cikin tashar hadawa ta musamman. Masu haɗawa na musamman suna haɗawa daidai gwargwado tare da kayan aikin ruwa. Ana yin wannan a cikin sauƙi mai sauƙi, don haka kiyaye tsari da girman ɓangarorin graphite masu faɗaɗa. Dosing yana sarrafa kansa kuma ana iya ƙara nauyin polyol har zuwa 80%, yana tabbatar da daidaiton inganci. Bugu da ƙari, samarwa yana zama mafi tsabta kuma mafi inganci yayin da aka kawar da sarrafa hannu, aunawa da matakan cikawa.
A lokacin aiwatar da premixing, ana iya amfani da rabon haɗakarwa na faɗaɗa graphite da sauran abubuwan haɓaka don haɓaka nauyi da ƙarar abubuwan abubuwan ba tare da lalata kaddarorin kashe gobara ba.


Lokacin aikawa: Oktoba-09-2023