Polyester ke sehlopha salipolaminetse nang leester sehlopha se sebetsangyuniti e 'ngoe le e 'ngoe e pheta-phetoang ea ketane ea bona e kholo. E le e ikhethangthepa, hangata e bolela mofuta o bitsoangpolyethylene terephthalate(PET). Li-polyester li kenyelletsa lik'hemik'hale tse hlahang ka tlhaho, joalo kalimelalelikokoanyana, hammoho le lintho tse entsoeng ka maiketsetso tse kangpolybutyrateLi-polyester tsa tlhaho le tse 'maloa tsa maiketsetso kee bolang, empa boholo ba li-polyester tsa maiketsetso ha li joalo. Li-polyester tsa maiketsetso li sebelisoa haholo liaparong.
Ka linako tse ling likhoele tsa polyester li lohuoa hammoho le likhoele tsa tlhaho ho hlahisaleselaka thepa e tsoakiloeng.K'hothone-metswako ya polyester e ka ba matla, e hanela makukuno le ho taboha, mme e fokotsa ho fokotseha.Likhoele tsa maiketsetsoHo sebelisa polyester ho na le khanyetso e phahameng ea metsi, moea le tikoloho ha ho bapisoa le likhoele tse tsoang limela.e hanelang mollo'me e ka qhibiliha ha e hotetsoa.
Li-polyester tse nang le kristale ea metsi ke tse ling tsa tse sebelisoang pele indasteringli-polymer tsa kristale ea metsiLi sebelisoa ka lebaka la thepa ea tsona ea mechini le ho hanyetsa mocheso. Litšobotsi tsena le tsona li bohlokoa ts'ebelisong ea tsona e le tiiso e ka tlosoang lienjineng tsa jete.
Li-polyester tse hlahang tlhahong li kenyelletsacutinkarolo eali-cuticle tsa limela, e bopilweng kali-acid tsa omega hydroxyle di-derivative tsa tsona, tse hokahaneng kaesterdibofo, tse etsang di-polymer tsa polyester tsa boholo bo sa hlakang. Di-polyester di boetse di hlahiswa kelinotšika har'a mofutaLihlopha, e hlahisangcellophane-lesela le kang la polyester bakeng sa lisele tsa tsona tsa bana tse ka tlas'a lefatše tse li fumaneng lebitso la bosoasoi "linotši tsa polyester".
Ho latela sebopeho sa lik'hemik'hale, polyester e ka bathermoplastickapasete ea thermoseteHape ho na leli-resin tsa polyestere phekolwa ka di-hardeners; leha ho le jwalo, di-polyester tse tlwaelehileng haholo ke di-thermoplastics.[11]Sehlopha sa OH se arajoa kaIsocyanatemotsoako o sebetsang tsamaisong ea likarolo tse peli o hlahisang masela a ka 'nang a fetoloa 'mala ka boikhethelo. Li-polyester e le li-thermoplastic li ka fetola sebopeho kamora ho sebelisoa ha mocheso. Leha li ka tuka mochesong o phahameng, li-polyester li atisa ho ikhula malakabeng le ho itima ha li hotetsoa. Likhoele tsa polyester li na leho tiealeModulus ea elektronikihammoho le ho monya metsi hanyane le ho fokotseha haho fokotsehaha ho bapisoa le likhoele tse ling tsa indasteri.
Ho eketsa likarolo tse nkhang hamonate tsa polyester ho eketsamocheso oa phetoho ea khalase, mocheso o qhibilihang,botsitso ba mocheso, botsitso ba lik'hemik'hale, le ho hanyetsa di-solvent.
Li-polyester le tsona li ka batheknoloji ea thelevishene oligomersjoalo ka polycaprolactone diol (PCL) le polyethylene adipate diol (PEA). Ebe li sebelisoa e leli-prepolymer.
Nako ea poso: Tshitwe-06-2022