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Baetsi ba boto ea insulation ea SMC ba bua ka litšobotsi tsa lisebelisoa tsa insulation

Baetsi ba boto ea insulation ea SMC ba bua ka litšobotsi tsa lisebelisoa tsa insulation

①Bongata ba polasetiki bo bobebe ka boima, bo tsitsitse lik’hemik’hale, ‘me ha bo ruse;

②Ho hanyetsa phello e ntle;

③ E na le pepenene e ntle ebile e na le khanyetso;

④Ho kenya letsoho hantle le ho theoha ha mocheso oa mocheso;

⑤Ho bōptjoa ka kakaretso, mebala e metle, litšenyehelo tse tlaase tsa ho sebetsa;

⑥Bongata ba lipolasetiki ha li na mocheso o fokolang, sekhahla se phahameng sa katoloso ea mocheso le ho chesa habonolo;

⑦ Botsitso bo bobe ba sebopeho le deformation e bonolo;

⑧Bongata ba lipolasetiki ha li na mocheso o tlase oa mocheso ‘me li fetoha brittle mocheso o tlase;

⑨ Ho bonolo ho tsofala;

⑩ Lipolasetiki tse ling li qhibiliha habonolo ka har’a lihlapolli.

Plastiki e ka aroloa ka mekhahlelo e ‘meli: thermosetting le thermoplastic. Ea pele e ke ke ea etsoa bocha le ho sebelisoa, ‘me ea morao-rao e ka hlahisoa khafetsa. Ha e le hantle ho na le mefuta e ‘meli ea meaho ea polima ea polasetiki:

Ea pele ke mohaho oa mela, ‘me motsoako oa polymer o nang le mohaho ona o bitsoa motsoako oa polymer linear;

Ea bobeli ke sebopeho sa mofuta oa ‘mele,’ me motsoako oa polymer o nang le sebopeho sena o bitsoa motsoako oa polymer oa mofuta oa ‘mele.

Li-polymers tse ling li na le liketane tse nang le makala, tse bitsoang li-polymers tsa branched, tseo e leng tsa sebopeho sa mela. Le hoja li-polymers tse ling li na le li-cross-link pakeng tsa limolek’hule, li na le li-cross-link tse fokolang, tse bitsoang sebopeho sa marang-rang ‘me ke tsa sebopeho sa’ mele. Mehaho e ‘meli e fapaneng, e bonts’ang thepa e ‘meli e fapaneng. Sebopeho sa linear (ho kenyeletsoa sebopeho sa branched) li-polymers li na le litšoaneleho tsa elasticity le polasetiki ka lebaka la ho ba teng ha limolek’hule tse ikemetseng, tse ka qhibilihang ka li-solvents, li ka qhibiliha ka ho futhumatsa, ‘me li na le boima bo tlaase le brittleness. Kaha ha ho na li-macromolecules tse ikemetseng, polymer e bōpehileng joaloka ‘mele ha e na elasticity le polasetiki, ha e khone ho qhibiliha le ho qhibiliha, empa e ka ruruha feela,’ me e na le boima bo phahameng le brittleness. Plastiki e na le meaho e ‘meli ea li-polymers, thermoplastics e entsoeng ka li-polymer tse melang, le lipolasetiki tsa thermosetting tse entsoeng ka li-polymer tse ngata.