(1) Kusintha Zinthu Zoyenera Zapulasitiki
Tchipisi tating'onoting'ono titha kuwunikira ndi kuyatsira misewu ya infrared komanso kuyamwa ndi kuteteza UV, ndi zina. Chifukwa chake, ngati kuwonjezera pamtunda wapamwamba wamtundu wamapulogalamu kumakanema azolimo, zimakhala zovuta kuti kuwala kutulukemo mutalowera mkati, potero kuteteza kutentha ku wowonjezera kutentha kanema wam'munda wapulasitiki, ndi zina zotere. Pantchito iyi, kuyera ndi kusakhazikika kwa ufa wa mica ndikofunikira kwambiri. Pa dzanja limodzi, zosayera zidzachepetsa mphamvu yakukula kwake, zimapangitsa chiwonetsero chake, kuwonjezera kuchuluka kwa chifunga komanso kuchepa kwa kulowa kolowera kubzala. Kumbali inayo, ngati mica siili bwino machitidwe ake, ndiye kuti mphamvu zake zoletsa ma radiation nazonso ndi zabwinobwino. Gansu Gelan Chemical Technology Co, Ltd., ya ku Hong Kong Lee Gulu idagwiritsapo ntchito mica yanyumba kupanga filimu yaulimi, kuti achepetse kuwonekera kwake ndi 2%.
Mankhwala osokoneza bongo, zodzola, chakudya ndi zinthu zinaayenera kuteteza poizoniyu, makamaka radiation yama ultraviolet, kuti isungidwe bwino. Kuti izi zitheke, titha kuwonjezera ufa wokhazikitsidwa wonyowa pansi wa mica mu zinthu zawo zonyamula pulasitiki. Kukula kwakukulu kwa mica kumatha kukonza luster wa zida (pelescent athari), ndipo ufa wabwino wa mica ukhoza kuchotsa luster.
(2) Kupititsa patsogolo Kukhathamiritsa kwa Plastics
Wet pansi mica ufa ali ndi mawonekedwe owonda kwambiri a pepala, ndi makulidwe mu nanometers ndi mainchesi-makulidwe okwanira mpaka 80 ~ 120 nthawi, motero amakhala ndi malo akuluakulu kwambiri otchinga. Mphamvu yolimba yamapulasitiki idzakulitsidwa modabwitsa pambuyo powonjezera mu ufa wapamwamba kwambiri komanso wapamwamba kwambiri wa mica. Mapulasitiki oterewa, malinga ndi zomwe awalemba patent, angagwiritsidwe ntchito kupanga Mabotolo a Coke, mabotolo amowa, mabotolo amankhwala, zinthu zonyamula-chinyezi komanso mitundu yambiri yapadera yonyamula mapulasitiki.
(3) Kukonza Zolimbitsa Thupi ndi Zimango za Plastiki
Mafilakitale osakhazikika komanso opaka amatha kulimbitsa nkhawa ya zinthu, zomwe zimafanana ndi zolimbitsa konkire za simenti ndi zida za anisotropic muzinthu zambiri zowonjezera (pulasitiki, mphira, utomoni, ndi zina). Zomwe amagwiritsidwa ntchito nthawi zambiri zimakhala mu fiber fiber, koma mpweya wa carbon umakhala wokwera mtengo komanso woperewera, chifukwa chake, ndizovuta kuyika ntchito.
Asbestos ndi ochepa momwe angagwiritsire ntchito chifukwa angathe chifukwa khansa. Ulusi wabwino kwambiri wagalasi (mwachitsanzo, mulifupi wa 1 micron kapena mulingo wa nanometer) umakumana ndi zovuta zambiri pakupanga ndipo mtengo wake umakhalanso wokwera. Granular filler, kuphatikiza micron quartz ufa ndi kaolin ufa womwe umapezeka munthaka youma mica alibe ntchito ngati mchenga ndi miyala mu simenti yam simenti.Pokhapokha kuwonjezera filler ngati chonyowa pansi mica ufaKutalika kwamlifupi mwake, kutalika kwamphamvu, mphamvu zamphamvu, zotanulira modulus, zina zama makina, kukhazikika kwa mawonekedwe (monga kutentha denaturation ndi anti-torsion kutopa kosiyanasiyana), ndipo machitidwe oletsa-kuvala azikhala bwino.Kafukufuku wambiri pa izi wachitika mu Equipment Science. Chinsinsi chimodzi ndi kukula kwa mafilimu.
Mapulasitiki (mwachitsanzo, ma resin) ali ndi malire malinga ndi kuuma kwawo. Mitundu yambiri yamakanema (mwachitsanzo, ufa wa talc) ndiwotsika kwambiri mu mphamvu zawo zamagetsi. M'malo mwake, kukhala chimodzi mwazinthu zazikulu za granite, mica ndiabwino kwambiri pakuuma ndi mphamvu yama makina. Chifukwa chake, pakuwonjezera ufa wa mica ngati filler m'mapulasitiki, zotsatira zowonjezerazo zimakhala zazikulu kwambiri. Kutalika kwakukulu kwa mainchesi-makulidwe ndi kiyi yopititsa patsogolo zotsatira za kuyera kwakukulu kwa mica.
Njira yolumikizira mankhwala a mica ufa imakhala ndi gawo lalikulu pazogwiritsira ntchito pamwambapa chifukwa zimatha kusintha kwambiri umphumphu wa mankhwala, motero zimathandizira kwambiri magwiridwe antchito. Chithandizo cholumikizira cholondola ndichofunikanso pakupititsa patsogolo katundu wa ufa wa mica, chomwechonso chimasintha kusintha kwa ma resin. Kugwiritsa ntchito ufa wapamwamba kwambiri wa mica kumapangitsa kuti zinthuzo zizikhala zochepa. Ukadaulo wamtunduwu umagwiritsidwa ntchito kwambiri pamakampani opanga ma pulasitiki, monga popanga zinthu zamphamvu kwambiri, kuphatikiza magawo apulasitiki a makina ndi magalimoto, zida zapadziko lapansi, khungu lakunja kwa zida zapakhomo, zinthu zonyamula, zogwiritsidwa ntchito tsiku ndi tsiku, ndi zina zambiri.
(4) Kukonza Zogulitsa Zinthu Zapulasitiki
Mica imakhala ndi kukana kwambiri kwamagetsi, motero ndizochulukitsa zomwe zimapanga zokha. Kugwiritsa ntchito mica kukonza kutchinjiriza katundu wa zinthu ndi ukadaulo wodziwika bwino. Popanga zinthu zambiri zapulasitiki zokutira, makina othandiza kunyowa amatha kuwonjezeredwa mkati. Monga tafotokozazi, mica wokwera pazitsulo ayenera kupewedwa chifukwa chogwiritsa ntchito kwambiri. Malo owuma pansi sanatsukidwe ndi anga ndipo amakhala ndi chitsulo chambiri, ndiye kuti sioyenera kugwiritsidwa ntchito.
Kugwiritsa ntchito chonyowa mica m'mapulasitiki ndizoposa pamenepo. Kugwiritsa ntchito mwapadera zida zonyowa mica ufa, zida zambiri zamapulasitiki zatsopano ndi matekinoloje apakompyuta amatha kupangidwa. Mwachitsanzo, powonjezera mica ufa m'mapulasitiki, ntchito yosindikiza ndi kuphatikiza zogwirizanitsa zimatha kupititsidwa bwino; polembetsa SnO2 pamtunda kapena popakidwa ndi zitsulo, ufa wa mica udzakhala wopatsa chidwi ndipo ungagwiritsidwe ntchito kupanga zinthu zotsutsana ndi tuli ndi mapulasitiki oyikira; mwakukulumikizidwa ndi TiO2, mica adzakhala piglescent pigment ndipo angagwiritsidwe ntchito pazogwiritsidwa ntchito zambiri; mwa kukhala utoto, mica adzakhala zovala zabwino kwambiri; mica amathanso kukonza magwiridwe antchito a zinthu.
Nthawi yoyambira: Jun-23-2020