I-HPMC, eyaziwa nangokuthi i-hydroxypropyllllylylyl, iyona ehlanganisiwe yomndeni we-cellulose afes. Kuthathwe ku-cellulose, i-polymer yemvelo etholakala ezindongeni zeseli zezitshalo. I-HPMC isetshenziswa kabanzi embonini yezokwakha ngenxa yezakhiwo zayo ezisebenzayo.
I-HPMC isetshenziswa kakhulu njengomuntu omkhulu, i-Binder, i-ejenti yangaphambilini yefilimu neyokwakha amanzi ekwakheni izinto ezifana nemikhiqizo esekwe kore, izinamathiseli, amabala, ama-plasters, ama-plasters. Isakhiwo saso samakhemikhali siyivumela ukuthi imunge amanzi futhi yakha into efana nejeli ethuthukisa ukuwenza, ukunamathela kanye nokumelana kwe-sag kwezinto zokwakha.
Nazi ezinye izakhiwo ezibalulekile kanye nokusetshenziswa kwe-HPMC embonini yezokwakha:
Ukugcinwa kwamanzi: I-HPMC imunca futhi igcina amanzi, ukuvikela izinto ezenzelwe usimende kusuka ekumisweni ngokushesha. Lokhu kusiza ukunciphisa ukuqhekeka, kuthuthukisa i-hydration futhi kuthuthukise amandla aphelele nokuqina kwemikhiqizo yokwakha.
Ukucekelwa phansi okwenziwe ngcono: I-HPMC isebenza njenge-Rheology modifier, ukuhlinzeka ukucutshungulwa okungcono kanye nokusetshenziswa okulula kwezinto zokwakha. Kuthuthukisa ukusakazeka kanye nokumelana nokuncipha kodaka kanye nezinhlekelele, okwenza kube lula ukuphatha futhi basebenzise.
Adhesion kanye cohesion: I-HPMC ithuthukisa ukunamathela phakathi kwezinto ezahlukahlukene zokwakha. Kwenyusa amandla ebhondi izinamathiseli ze-tile, ama-plasters kanye nezinhlekelele, ukuqinisekisa ukunamathela okungcono kuma-substrates afana nokhonkolo, izinkuni namathayili.
Ukumelana kwe-SAG: I-HPMC yehlisa i-sag noma ukuwa kwezinto zokwenziwa mpo ezinjenge-tile adhesive noma i-primer ngesikhathi. Lokhu kusiza ukugcina ubukhulu obufisayo futhi kuvimbela ukwehla noma ukudonsa.
Ukwakheka kwefilimu: Lapho i-HPMC iyoma, yakha ifilimu emincane, eguquguqukayo, esobala. Le filimu inganikeza ukumelana kwamanzi okungcono, ukumelana nesimo sezulu nokuvikelwa komhlaba kwezinto zokwakha ezisetshenzisiwe.
Isikhathi sePosi: Jun-06-2023