I. Overceview na kayan roba roba
Foam roba ana samar da kayayyakin motsa jiki ko kuma kayan roba tare da roba kamar yadda kayan tushe don samun soso-kamar kayan kwalliya na roba. An yi amfani da wannan fasahar sosai a cikin kofa ta kaya da kuma taga na kaya, ƙyallen kayan gini, kayan gini, kayan gini masu karewa, da sauransu.
1, manufar dan roba
Hakanan ana kiranta dandano mai yadu da aka sani da fasahar roba, shine amfani da takamaiman wakili mai ɗorewa don kula da roba, saboda haka roba yana da halaye na aikin aiki. Wannan fasaha ta fi amfani da wannan fasaha a filin samar da na yanzu, shine mafi yawan hanyoyin samar da aikin samarwa a wannan matakin.
2, rarrabuwa na kayan roba roba
Foamed kayayyakin roba a halin yanzu a cikin samfuran da aka fi amfani dasu a cikin filin samarwa, wanda za'a iya raba shi zuwa nau'ikan tsarin microporough na microporough tsari da tsarin kwalliya gwargwadon pores. Kuma za'a iya rarraba tsarin microporous zuwa samfuran daban daban da ci gaba da kayan kwalliya. A cewar albarkatun kasa na roba na cikin samfuran roba na roba, kayan kwalliya mai laushi, samfuran SBR kumfa, Ethylene provyleene roba kumfa, da sauransu.
Na biyu, kumfa kayayyakin roba tare da bincike
Foamed kayayyakin roba suna da yawa kuma ana iya amfani da su a cikin al'ummomin da ke yanzu, samarwa da kayan aikin samarwa da saurin haɗawa da ba da gudummawar wakilin wakilin da ta fice don dacewa da matsalar. Wato a ce, kayan roba nasara foaming ban da saurin haɗe-haɗe akwai dangantaka tsakanin kayan masarufi don samar da bangon da aka fadada gas.
1, zabin babban abu
A cikin tsarin masana'antu, yawanci suna buƙatar takamaiman manufofin samfuran don zaɓar kayan da taushi, amma kuma don zaɓin roba na roba don biyan bukatun samfurin. Don samar da samfuran kumfa mai, ban da buƙatar zaɓar roba mai kyau na kimiyya, har ma don biyan bukatun wasu samfuran musamman, kuma har ma don biyan bukatun wasu samfuran musamman, kuma har ma suna iya amfani da nau'ikan nau'ikan roba da fam.
2, zabin wakili wakili
Wakilin Foaming shine mahimmancin haɗi a cikin duka samarwa na roba roba, kuma zaɓi yana da alaƙa da inganci da ingancin aiki. Gabaɗaya magana, kyakkyawan aiki na kayan ɗora dole ne zaɓi wakilin ƙirar kimiyya da mai ma'ana, kuma adadin mai ɗorewa, da kuma yawan hanyoyin haɗuwa da buƙatun ci gaban zamantakewa na yanzu. A halin yanzu, wakilin hatsin yakan ƙunshi wakili na kwari da kuma hurawa da ke motsa jiki biyu. Wakilin Inorganic Baturaci ya fi nufin sodium bicarbonate, urea bicarbonate, urea, da sauransu kuma suna da fa'idodin foaming a aikace-aikacensa. Kamar yadda wannan fasahar ta samar a aikace-aikacen Carbon Dioxide da Ammoniya, da dai sauransu.
Aikin yanzu, muna yawanci amfani da wakilin kumfa musamman, nitroso, Dibenzosulfffulaide Hydrazode, da kuma a cikin tsarin samarwa, kuma a cikin tsari na zamani, kuma a cikin hanyar zinc irompositide, da sauransu, don haka lalata ta ne A rage, raguwa sosai na gas ya ƙunshi nitrogen, carbon dioxide, waɗannan gas ba sauran guba ba, ba su da damar ƙazantar da muhalli, ba a daina ganowa ba. Girman pore girman samfuran roba da aka yi da wakilin kumfa ya fi girma, da kuma adadin shrinkage kuma ya fi girma; Lokacin amfani da wakili mai ban sha'awa, wakilin mayafi yana da Stearic acid, Alum, da sauransu, wanda da sauransu, wanda ke iya rage lalata yawan zafin jiki na wakili zuwa 130 ~ 150 ℃ bayan ƙara.
3, zabi na tsarin rashin daidaituwa
Tsarin Vulcanization yana da mahimmanci a cikin binciken samfuran damfara, da farko an dace da tsarin m da tsarin kumfa shine mabuɗin don yin kyakkyawan kayan kwalliya. Za'a iya samun nasarar rani, abu mafi mahimmanci shine tsarin masarufi na roba da lalata lokacin da wakilin ɓoye ya kamata a sanyaya waƙar ɗan ƙaramin lokaci mai sauƙi. Sabili da haka, bayan zabar tsarin m tsarin, daidaita tsarin kumfa don dacewa da shi, ko bayan zabar tsarin kumfa, daidaita tsarin damfara, daidaita tsarin m don daidaita shi.
4, zabi na karfafa filler
Carbon Black, Silica da Sauran wakilai suna inganta karfin roba roba, da clay da wasu masu zane-zane na iya inganta aikin sarrafa roba da rage farashin. Carbon Baki ya kamata zabi Semi-karfafa fed FEF da Srf Carbon Carbonate, Clay, da sauransu ba da yawa ba, zai fi dacewa da kwafin 20 zuwa 40.
5, zabi na filastik
Abubuwan da ake buƙata na filastik sune: ingantaccen sakamako mai kyau, ƙarancin shaye-shaye, ƙarancin ƙarfi tare da ƙaura, mara hankali da sauƙi. Plaster na iya inganta digiri na watsawa na wakili mai hade, da aikin da kuma mold na roba roba. Kayan samfuran roba waɗanda ke buƙatar babban kumfa mai yawa, janar adadin ƙara yawan filastik na ƙasa ya fi girma, kuma zaɓi kyakkyawar dacewa da filastik na roba.
6, zabi na antioxidant
Foam kayayyakin roba don tsarin porous, yankin ƙasa ya fi girma, dole ne a haɗa shi da antioxidants. Ka'idar zabar antioxidanant shine kyawawan tasirin rigakafi, amma kuma baya shafar lalata wakilin da wakili. Zai iya zabar 4010, 264, Mb da sauran antioxidants, yawan fiye da samfuran roba roba.
7, ƙa'idar roba
Sosai mai ƙarfi na roba mai ƙarfi na haɓakar roba, tsari shine don ƙara mai ɗorewa a cikin zazzabi mai laushi don samar da mai kumfa.
Babban abubuwan da suka yanke hukunci da tasiri kan tsarin kumfa Pore sune: yawan hurawa na roba da kuma saurin galittar galibin roba da saurin rauni na roba.
Don yin ingantattun samfuran roba, zaɓin hurawa na ƙwayoyin cuta da tsarin rashin daidaituwa na roba shine mabuɗin. Akwai takamaiman hanyoyin guda biyu:
Da farko, a cewar zazzabi mai rauni don zaɓar yanayin bazarar jiki da kuma hancin da ya dace da marigayi mawuyacin hali da sauran masu haɓaka don daidaita adadin mai gabatarwa don daidaita adadin mai ƙyalli.
Na biyu, a yanayin tsarin rashin daidaituwa don sanin saurin rauni, bisa ga zaɓi na kumfa iri da kuma girman barbashi. Girman barbashi shima yana daya daga cikin mahimman abubuwanda suka fi muhimmanci wajen tantance saurin bazuwar wakilin. Girman barbashi yana raguwa, takamaiman yankin yanki na barbashi yana ƙaruwa, saurin canja wuri yana ƙaruwa, don haka daidaita tsakanin bazarar da ya dace da hurumin wakilin.
Fasaha guda uku, sarrafa sarrafawa
1, dasa shuru
Asalin na filastik roba shine don fashewa da lalata sarkar Macromelectularurular. Inganta da filastik na roba, saboda hadawa da hadawa da tsari na wakilin hadawa yana da sauki a aiwatar. A cikin shirye-shiryen roba roba, mafi kyawun filastik na roba, mafi sauƙin samun samfuran kumfa, ƙananan yawa da ƙananan ƙamshi. Saboda haka, ya kamata a fille dabi'ar filo.
2, ajiya
Bayan roba yana gauraye, dole ne a sanya shi don isasshen lokacin, gabaɗaya 2 ~ 4h, saboda haka abubuwan da ƙari daban-daban sun watsar da abubuwa daban-daban. A mafi yawan kwanon roba ana tarwatsa, mafi kyawun kwanciyar hankali na girman samfurin, a sanye da farfajiya da daidaituwa na kumfa.
3, zazzabi
Foshin roba yana da matukar hankali da zazzabi. Guda ɗaya na roba yana da tasirin more daban-daban a yanayin yanayi daban-daban. Saboda tsarin damfara da tsarin m yake kula da zafin jiki daban, canza yanayin zafin jiki zai gyara matsalar daidai da tsarin kumfa.
4, forming
Hanyoyin da ke da alaƙa na samfuran roba sune: provrusion molding, m, ana amfani da samfuran zane-zane na yau da kullun a cikin tasirin m, kuma ana amfani da NBR da galibi suna amfani da su.
