Kamfanin kamfanoni sun fadada samarwa, umarnin da aka kama a lokaci guda kuma ya sa samar da albarkatun kasa, musamman pbs da sauran lalata kayan da ke cikin watanni 4 kawai, farashin da aka samu. Sabili da haka, kayan PLA yana tare da farashin tsayayyen farashi ya jawo hankali.
Poly (lactic acid) (Ala), wanda kuma aka sani da poly (lactide), abu ne sabon polymer mai gina jiki na lacrymer wanda aka shirya daga sitaci na halittu, kuma yana iya lalata gaba daya cikin muhalli Enddarshe samfuran, kamar CO2 da H2o.
Saboda fa'idodinsa na babban ƙarfin injin, aiki mai sauƙi, saurin meling, a cikin aikin gona da sauran filayen. Kawasan da aka lalata da aka lalata ya karɓi kulawa a cikin 'yan shekarun nan.
Saboda mayar da martani ga Ofishin filastik, an yi amfani da shi da yawa a kasar Sin a China. Koyaya, an soki strawes takarda sosai saboda rashin jin daɗin jin daɗin yin amfani. Andarin da yawa da masana'antuna suna farawa don zaɓar kayan kwalliya don ƙera strawes.
Koyaya, kodayake polylactic acid yana da kyawawan kayan aikin injin, lowongation dinta a cikin karya (yawanci ƙasa da 10%) da ƙarancin tashin hankali a cikin strawes.
Saboda haka, Tura Toughening ya zama taken bincike mai zafi a halin yanzu. Mai zuwa shine ci gaban Pla Toughening na Pla.
Poly - lactic acid (PL) yana ɗaya daga cikin manyan robobi masu balagaggu. Abubuwan da ke da abinci daga kayan tsire-tsire masu sabuntawa ne, masara, aikin gona da kayan aikin gona, da sauransu, kuma yana da kyawawan halittu. PLA yana da kyawawan abubuwan kayan kwalliya, makamancin robobi na Polypropylene, kuma zasu iya maye gurbin PP da dabbobin dabbobi a wasu filayen. A halin yanzu, PL yana da kyakkyawar mai sheki, bayyananniya, suna jin da kuma wasu kaddarorin ƙwayoyin cuta
Matsayin samarwa
A halin yanzu, PLIN yana da hanyoyi biyu na roba. Daya daga cikin polymerization ne na kai tsaye, watau lactic acid ne kai tsaye bushe shhydrated da mai ɗaure a ƙarƙashin zazzabi mai zafi da matsi. Tsarin samarwa yana da sauki kuma farashin ya ragu, amma nauyin kwayoyin halitta ya zama mara kyau, kuma tasirin aikace-aikacen ba shi da kyau.
Sauran shine zobe mai lactide - buɗe polymerization, wanda shine yanayin samar da samarwa.
Rashin daidaituwa na PLA
Pla ya kasance cikin barga a zazzabi a ɗakin, amma a sauƙaƙe yankuna cikin CO2 da ruwa a cikin yanayin yanayin acid, yanayin acid-tushe da yanayin microbial. Sabili da haka, za a iya amfani da samfuran PLA a cikin aminci a cikin ingantaccen lokacin da kuma lalata da wuri bayan an jefar da shi ta hanyar sarrafa yanayin sarrafa.
Abubuwan da suka shafi Wegradation na Wegradation galibi sun haɗa da nauyin kwayoyin, jihar lu'ulu'u, mai amfani da yanayin zafi, darajar ph, lokacin haske da kuma ƙwayoyin muhalli.
Planta da sauran kayan za su iya shafar raguwar lalata.
Misali, ƙara wani adadin katako na itace ko masara sandak ya iya hanzarta iya hanzarta farashin lalata.
Pla Baller
Insashin yana nufin iyawar kayan don hana nassi na gas ko tururin ruwa.
Dukiyar shinge tana da matukar muhimmanci ga kayan aiki. A halin yanzu, jakar filastik mafi yawanci akan kasuwa shine pla / pbat composite abu.
Kyamar kaddarorin na ingantaccen fim zai iya fadada filin aikace-aikacen.
Abubuwan da suka shafi dukiyoyin shinge na PLIN ya hada da abubuwan ciki (tsarin kwayar halittu da kuma dalilai na ciki) da dalilai na waje (zazzabi, zafi, karfi na waje).
1. Hawan dake fim zai rage dukiyar shinge, don haka pla bai dace da kayan aikin abinci da ke buƙatar dumama ba.
2. Gudana a cikin wani yanki na iya ƙara yawan kayan shaye.
Lokacin da aka ƙara yawan tensile daga 1 zuwa 6.5, crystallity na PLA yana ƙaruwa sosai, don haka dukiyar shinge ta inganta.
3. Dingara wasu shinge (kamar yumbu da fiber) zuwa pla matrix zai iya inganta duk shinge shingen jirgin.
Wannan saboda shamaki tsawaita hanyar madaidaiciya ruwa ko tsari na gas don ƙananan kwayoyin.
4. Kunna magani a farfajiya na fim na PLIN zai iya inganta dukiyar shinge.
Lokacin Post: 17-12-21