Munyika yanhasi iri kufamba nekukurumidza, kudiwa kwezvinonamira zvinoshanda uye zvakavimbika kwakakosha. Maindasitiri akasiyana-siyana kubva pakurongedza kusvika kumotokari anovimba zvakanyanya nezvinonamira kuti zvipe zvinonamira zvinogara kwenguva refu uye zvinogara kwenguva refu. Chinhu chikuru chinoita basa guru mukugadzirwa kwezvinonamira zvemhando yepamusoro ihydrocarbon resin. Hydrocarbon resins yave sarudzo yakakurumbira pakati pevagadziri vezvinonamira nekuda kwehunhu hwavo hwekubatanidza hwakanaka uye kushanduka-shanduka.
Maresini ehydrocarbon mapolymer anobva mupetroleum ayo aratidza kuva zvinhu zvinokosha muindasitiri yezvinonamira. Iresini yethermoplastic yakagadzirirwa zvakanyanya kusimudzira mashandiro ese ezvinonamira nekuvandudza kubatana, kubatana uye kushandira pamwe. Iyi resini inoshandiswa mumhando dzakasiyana-siyana dzezvinonamira dzakadai sezvinonamira zvinopisa, zvinonzwa kumanikidzwa uye zvinonyungudutsa.
Hunhu hwakanaka hwekunamira hwemahydrocarbon resins hunonyanya kukonzerwa nemaumbirwo awo emamorekuru uye hunhu hwawo hwakasiyana. Mahydrocarbon resins ane kunamira kwakanaka kune akasiyana-siyana ma substrates. Kugona uku kwekubatanidza kwakanaka kunoita kuti manamati akagadzirwa nemahydrocarbon resins ape zvisungo zvakasimba uye zvakavimbika kunyangwe munzvimbo dzakaoma.
Zvakanakira kushandisa mahydrocarbon resins mukugadzira ma namira zvakawanda. Chekutanga, inoshanda se tackifier, ichivandudza hunhu hwe namira ye namira nekuwedzera tack yayo. Izvi zvakakosha zvikuru mukushandiswa kunonzwa kumanikidzwa kwakadai sematepi ekurongedza kana ma label, uko kubatana kwakasimba kwekutanga kwakakosha. Mahydrocarbon resins anowedzera tack ye namira uye anovandudza kugona kwayo kubatana nekukurumidza mushure mekusangana ne substrate.
Chechipiri, mahydrocarbon resins anosimbisa kubatana kwemaglue, zvichiita kuti arambe achidzvinyirirwa uye arambe akasimba nekufamba kwenguva. Izvi zvinobatsira zvikuru mukushandiswa kwaanoita apo gunde rinoda kutsungirira tembiricha dzakasiyana, hunyoro kana mamwe mamiriro ekunze. Nekuisa mahydrocarbon resins mumafomu avo, vagadziri veglue vanogona kuve nechokwadi chekuti zvigadzirwa zvavo zvinogona kutsungirira mamiriro akaoma pasina kukanganisa simba remaglue avo.
Chimwe chinhu chakakosha chehydrocarbon resins ndechekuti dzinoenderana nezvimwe zvinhu zvinonamira. Dzinogona kusanganiswa zviri nyore nemhando dzakasiyana dzemapolymer, ma tackifiers nezvimwe zvinowedzera, zvichiita kuti vagadziri vanonamira vagone kugadzirisa mafomura acho zvichienderana nezvinodiwa. Kuchinja-chinja uku kunoita kuti hydrocarbon resins ive sarudzo yakanaka yekugadzira manamira ane hunhu hwaunoda senge viscosity, elasticity uye kugara kwenguva refu.
Zvakakosha kuziva kuti kusarudza resin yehydrocarbon yakakodzera yekugadzira namira kwakakosha kuti pave nemigumisiro yakanaka. Mhando dzakasiyana dzemaresin ehydrocarbon dzine mwero wakasiyana wekunyorovesa, huremu hwemorekuru uye kuumbwa kwemakemikari. Zvinhu zvakaita serudzi rwenamira inodiwa, nzira yekushandisa, uye zvinodiwa pakushanda zvinofanirwa kufungwa nezvazvo zvakanaka usati wasarudza resin yehydrocarbon yakakodzera.
Nekuda kwekuwedzera kwekudiwa kwezvinonamira zvinoshanda zvakanyanya, kukosha kwezvinonamira zvehydrocarbon muindasitiri iyi hakufanirwe kunyanyosimbiswa. Hunhu hwayo hwakanaka hwekubatanidza, kuenderana kwayo uye kushanduka-shanduka kunoita kuti ive sarudzo yekutanga yevagadziri vezvinonamira pasi rese. Ingave iri zvinhu zvinonamira mukubatanidza mota, kuvandudza mhinduro dzekurongedza, kana kuwedzera kugara kwenguva refu kwezvinhu zvekuvaka, zvinonamira zvehydrocarbon zvichiri kuita basa guru muindasitiri yezvinonamira.
Mukupedzisa, mahydrocarbon resins imhinduro yakasimba yekubatanidza machira. Nehunhu hwayo hwekunamira husina muganho, kushandira pamwe nezvimwe zvinoshandiswa uye kushanduka-shanduka kwekugadzira, inoita kuti machira emhando yepamusoro agadziriswe kune akasiyana siyana mashandisirwo. Sezvo indasitiri ichiramba ichitsvaga mhinduro dzakavimbika dzemachira, kuisa mahydrocarbon resins mumhando dzemachira kuchiri sarudzo yakangwara yekuona kuti machira anogara kwenguva refu uye anoshanda.
Nguva yekutumira: Chikumi-19-2023