- 22
- Nov
Iyo nhoroondo yekuvandudza ye epoxy girazi fiber yekudhirowa tsvimbo inogona kuda kutarisa kune izvi.
Iyo nhoroondo yekuvandudza ye epoxy girazi fiber yekudhirowa tsvimbo inogona kuda kutarisa kune izvi.
Epoxy girazi fiber kudhirowa tsvimbo inogadzirwa nepamusoro-simba aramid faibha uye girazi faibha yakamisikidzwa ne epoxy resin matrix nepamusoro tembiricha pultrusion. Iyo ine hunhu hwekusimba kwepamusoro, yakanakisa kupfeka kuramba, acid uye alkali kuramba, corrosion resistance uye zvimwe zvakanakisa tembiricha yekudzivirira. Zvigadzirwa zvakakodzera electrolytic aruminiyamu zvidyarwa, simbi zvirimwa, yakakwirira-tembiricha metallurgical midziyo, UHV magetsi midziyo, aerospace minda, transformers, capacitors, reactors, high-voltage switch uye zvimwe high-voltage magetsi midziyo.
Kare muna 1872, chiremba wemakemikari weGermany A.Bayer akatanga kuona kuti phenol uye formaldehyde zvinogona kukurumidza kuumba mapundu matsvuku-tsvuku kana zvinhu zve viscous kana zvichipisa pasi pemamiriro eacidic, asi kuedza kwakamiswa nokuti hakwaigona kucheneswa nenzira dzechinyakare. Mushure mezana remakore rechi20, phenol yakawanikwa yakawanda kubva kumarara emarasha, uye formaldehyde inogadzirwawo muhuwandu hukuru sekuchengetedza. Naizvozvo, kuita kwechigadzirwa chevaviri kunowedzera kukwezva. Zvinotarisirwa kuti zvigadzirwa zvinobatsira zvinogona kugadzirwa, kunyange zvazvo vanhu vakawanda vakashandisa basa rakawanda pazviri. , Asi hapana mumwe wavo akawana mhedzisiro yaitarisirwa.
Muna 1904, Baekeland nevabatsiri vake vakaitawo tsvagiridzo iyi. Chinangwa chekutanga chaive chekugadzira insulating varnish pachinzvimbo chechisikigo resin. Mushure memakore matatu ekushanda nesimba, pakupedzisira muzhizha ra1907, kwete chete insulating varnish yakagadzirwa. Uye zvakare yakagadzira chaiyo yakagadzirwa epurasitiki zvinhu-Bakelite, inozivikanwa kwazvo “bakelite”, “bakelite” kana phenolic resin.
Kamwe Bakelite akabuda, vagadziri vakakurumidza kuona kuti haigone chete kugadzira zvakasiyana-siyana zvemagetsi ekudzivirira zvigadzirwa, asiwo kuita zvinodiwa zvezuva nezuva. Edison (T. Edison) aiwanzoita zvinyorwa, uye munguva pfupi akazivisa mushambadziro: Yakagadzira zviuru zvezvigadzirwa neBakelite. Zvigadzirwa zvakadaro, saka kugadzirwa kweBaekeland kwakarumbidzwa se “alchemy” yezana ramakore rechi20.
Nyanzvi yemakemikari yeGerman Beyer akapawo mipiro mikuru mukushandiswa kwebakelite.
Rimwe zuva muna 1905, nyanzvi yekemisitiri wekuGermany Beyer akaita chiyedzo che phenol uye formaldehyde muflask, uye akawana kuti chinhu chinonamira chakange chaumbwa mairi. Akaigeza nemvura akatadza kuigeza. Pane kudaro, akashandisa peturu, doro uye mamwe makemikari organic. Solvent, haisati yashanda. Izvi zvakaita kuti njere dzaBeyere dziite manyama amire nerongo. Gare gare, akaedza nepaaigona napo kubvisa chinhu “chinotsamwisa” ichi. Beyere akatura befu ndokuikanda mubhini remarara. mukati.
Mazuva mashoma gare gare, Beyere akange ave kuda kurasa zvaive mubhini remarara. Panguva iyi, akaona chidimbu zvakare. Uso hwacho hwainge hwakatsetseka uye hwaipenya, uye paiyevedza. Beyere akaiburitsa achida kuziva. Mushure mekugochwa pamoto, haina kuzopfava, yakawira pasi, haina kutyoka, yakaiona nesaha, yakachekwa zvakanaka, uye Beyer akangwara akabva afunga kuti iyi inogona kunge iri mhando yezvinhu zvitsva. .