Pachikhalidwe, anthu nthawi zambiri amagwiritsa ntchito Cokelite, wamagetsi, a Nylon, pulasitiki, rabara, zovala zamagetsi monga zida zosinthira. Ndi cholumikizira chamagetsi chachikulu pakati pa chipangizocho ndi magetsi, kapena switch yomwe imatsegulira ndikutseka dera. Zipangizo zamakendi makamaka zimaphatikizapo zopangira nyali, bokosi la waya, kusintha, pulagi, zitsulo ndi zowiritsa. Kupanga mtundu uwuMookelite Pan Ndi yayikulu, kugwiritsa ntchito mitundu yosiyanasiyana, ndiko kugwiritsidwa ntchito kwambiri m'banja lamagetsi pamagetsi.
Chiyambi cha Madambo a Cokelite
Zotupa za mitengo ina nthawi zambiri zimasinthiratu, koma amber ndi malo a matekeni, ndipo Shellac, komanso amafufuzanso, ndikusungidwa kachilombo ka Hishlac pamitengo. Utoto wa Pelac, wopangidwa kuchokera ku Shellac, poyambidwa ngati wosungira nkhuni, koma ndi zopangidwa ndi mabwalo oyambira ogwiritsa ntchito. M'zaka za zana la 20, pamafunika kugwiritsa ntchito mankhwala sakanathanso kukwaniritsidwa ndi zinthu zachilengedwe, zomwe zimapangitsa kuti mufufuze zatsopano komanso zotsika mtengo.
M'zaka za m'ma 1800, katswiri wa katswiri wazamankhwala A. Bayer adapeza kuti phenol ndi formaldehyde amatha kupanga chofiyira cha acidic kapena chotereracho chimatha kuyeretsedwa ndi njira zakale.
M'zaka za zana la 20,BaekelandNdipo omwe adawathandiza nawonso adapanganso kafukufukuyu, poyamba ndi chiyembekezo chodzapereka utoto m'malo mwa ma resture achilengedwe. Pambuyo pa zaka zitatu zogwira ntchito molimbika, pamapeto pake m'chilimwe cha 1907, iwo samangopanga utoto, komanso amapanga zinthu zapulasitiki zenizeni, bakelite. Amadziwika kuti bukeli.
Tsiku lina motere, wobala wa katswiri wazamankhwala, akuchita zoyeserera ndi phenolhyde mu botolo, adapeza kuti chinthu chomata chimakhala mkati.
Pambuyo pa zoyesazi zaka zambiri, zimatero zomwe zimakonda kukhala "zokhumudwitsa" tsopano ndi "kukondweretsa". Phenolic siyikuwona madzi, kutentha sikusokoneza, kumakhala ndi mphamvu zina. Ndiosavuta kutengera, komanso ali ndi kusokonezeka kwabwino, komwe kumangotulutsa mafakitale amagetsi, ndi chinthu chachikulu bwanji. Chifukwa chake, imagwiritsidwa ntchito kwambiri popanga mabuleki yamagetsi, imasinthira, kukhala ndi nyali zina, telefoni ndi zinthu zina zamagetsi, zomwe zidalandira dzina la Skindlite. Komabe, tikufuna kudziwitsa kuti ikugwiritsidwa ntchito mu coo Coo Coorware, ndikupangaPan amagwira,poto. Tili ndi mitundu yosiyanasiyana ya mamba opangidwa ndi barelite.
Post Nthawi: Meyi-15-2023
