Ndeapi maresini anoshandiswa mune thermoplastic poda coatings

Kune matatu ekutanga resin anoshandiswa mukati thermoplastic powder coating, vinyls, naironi uye polyesters. Zvinhu izvi zvinoshandiswa kune mamwe maapplication ekudya, midziyo yenhandare yekutamba, ngoro dzekutengera, masherufu echipatara uye mamwe maapplication.

Mashoma e thermoplastics ane hupamhi hwekutaridzika kwemaitiro, maitiro ekuita uye kugadzikana kunodiwa mumaapplication anoshandisa thermoset poda.

Thermoplastic powders anowanzo kukwirira mamorekuru huremu izvo zvinoda tembiricha yakanyanya kunyunguduka nekuyerera. Iwo anowanzo shandiswa ne fluidized bed application uye zvikamu zvese zviri pre-kupisa uye post-kupisa.

Mazhinji e thermoplastic poda coatings ane marginal adhesion properties kuitira kuti substrate inofanira kuputika uye kudhindwa isati yashandiswa.

Thermoplastic poda inosanganiswa zvachose. Izvi zvinoreva kuti, kana yapiswa, inogona kugara ichidzokororwa uye kudzokororwa mumhando dzakasiyana sezvinodiwa nemushandisi. Kusiyana neizvi, thermoset powders, kana yambopiswa uye yakaumbwa kuita maumbirwo chaiwo, haigone kudziyiswa pasina kupisa kana kuputsika. Tsananguro yemakemikari yemaitiro aya ndeyekuti mamorekuru ari mu thermoplastics anokwezvwa zvisina simba kune mumwe nemumwe nepo mu thermoset akabatana.

Van der Waals masimba anokwezva nekubata mamorekuru pamwechete. Sezvo thermoplastics ichitsanangurwa nemasimba asina simba evan der Waals, cheni dzemamorekuru dzinogadzira thermoplastics dzinoita kuti dziwedzere uye dzigone kuchinjika. Kune rimwe divi, kana thermosetting powders yapisa, inoita kemikari, uye musanganiswa mutsva unoumbwa unoratidzwa nemasimba akasimba evan der Waals. Panzvimbo pekugadzira cheni dzakareba, vanogadzira mamorekuru ane crystalline muzvisikwa, zvichiita kuti chigadzirwa chiome kudzokorodza kana kunyungudika zvakare kana chapora.