Putty powder ke thepa e tsebahalang ea moaho e sebelisetsoang ho koahela le ho nchafatsa mabota, siling le libaka tse ling.Ke motsoako oa lisebelisoa tse fapaneng tse kang samente, filler le binder.Hydroxypropylmethylcellulose (HPMC) ke e 'ngoe ea li-binders tse sebelisoang ka putty powder.HPMC ke polima e se nang chefo, e se nang monko e ntlafatsang ts'ebetso ea li-putty powders.E sebelisoa mapetsong a mefuta e fapaneng ea putty ho ntlafatsa ts'ebetso ea eona.Sengoliloeng sena se tla tšohla mefuta e mene ea mapetsong a putty le mokhoa oa ho sebelisa HPMC mofuteng ka mong.
Mefuta e mene ea li-putty cracks ke tse latelang:
1. Mapetso a honyela
Mapetso a ho fokotseha ka lebaka la putty e omileng.Ha putty e omella, ea honyela, e etsa hore mapetsong a hlahe holimo.Ho tiea ha mapetsong ana ho itšetlehile ka sebopeho sa putty.HPMC e ka eketsoa ho putty ho fokotsa mapetsong a shrinkage.HPMC e sebetsa joalo ka sesebelisoa sa ho boloka metsi, e liehisa ts'ebetso ea ho omisa le ho lumella putty hore e ome ka ho lekana.E boetse e fokotsa bongata ba metsi a hlokahalang ho kopanya putty, e thusang ho fokotsa ho fokotseha nakong ea ho omisa.
2. Ho phatloha ho chesang
Mapetso a chesang a bakoa ke ho atolosoa le ho fokotseha ha thepa ha mocheso o fetoha.Li tloaelehile mehahong e nang le liphetoho tse kholo tsa mocheso, joalo ka libakeng tse nang le maemo a leholimo a feteletseng.HPMC e ka thusa ho fokotsa ho phatloha ha mocheso ka ho eketsa thepa ea ho boloka metsi ea putties.Polymer e sebetsa e le setlamo se thusang ho kopanya likarolo tse ling tsa putty.Sena le sona se fokotsa kotsi ea ho peperana ka lebaka la ho atolosoa ha mocheso le ho fokotseha.
3. Ho thatafatsa mapatso
Mapetsong a thata a bakoa ke ho thatafala ha putty.Ha putty e ntse e thatafala, e lahleheloa ke mokhoa o mong oa ho tenyetseha, e leng ho etsa hore e petsohe.HPMC e ka thusa ho fokotsa mapetsong a thata ka ho eketsa ho feto-fetoha ha putty.Polymer ena e sebetsa joalo ka polasetiki, e etsa hore putty e fetohe habonolo.Sena se etsa hore e khone ho mamella ho sisinyeha ha bokaholimo boo e pentiloeng holim'a eona, ho fokotsa kotsi ea ho peperana.
4. Mapetso a sebopeho
Mapetso a sebopeho a etsahala ka lebaka la ho sisinyeha ha sebopeho kapa bokaholimo bo ka tlase.Li ka bakoa ke lintho tse sa tšoaneng, tse kang ho kokobela, litšisinyeho tsa lefatše, kapa ho fetoha ha mongobo o ka holim’a metsi.HPMC e ka thusa ho fokotsa mapetsong a sebopeho ka ho ntlafatsa thepa ea sekhomaretsi ea putties.Polymer e sebetsa joalo ka setlamo, e thusang putty ho khomarela hantle holimo.Sena le sona se fokotsa kotsi ea ho petsoha ka lebaka la ho sisinyeha ha bokaholimo bo ka tlase.
HPMC ke motsoako oa bohlokoa ka har'a li-putty powders hobane e ka thusa ho ntlafatsa ts'ebetso ea mefuta e fapaneng ea mapetsong a putty.Ka ho fokotsa kotsi ea ho honyela, mocheso, ho thatafala le ho phatloha ha sebopeho, HPMC e ka thusa ho netefatsa hore li-putty li tšoarella nako e telele le ho boloka botle ba tsona.Ha indasteri ea kaho e ntse e tsoela pele ho fetoha, HPMC e ntse e le motsoako oa bohlokoa ho li-putty bakeng sa lits'ebetso tsohle tsa kaho.
Nako ea poso: Aug-23-2023