Ngaba ukhe uzibuze ukuba ezi mveliso zeplastiki zicuthene kwaye zibonakala elubala zenziwa njani ngokuchanekileyo nangokucacileyo? Ewe, impendulo ikwilizwe elinomdla le-PMMA yokubumba isitofu. Kule bhlog, siza kungena kwinkqubo yokubumba isitofu se-PMMA, sijonga ukuba iyiguqule njani imveliso yemveliso kunye nezixhobo zayo ezikhethekileyo kunye nokusetyenziswa kwayo.

Ke, zibophe njengoko sikuthatha kuhambo kwindawo ye-PMMA kwaye ufumanise ukuba le nto iguqukayo ibumba njani ikamva lokwenziwa kweplastiki.

Yintoni i-PMMA?

I-Polymethyl methacrylate, ebizwa ngokuba yi-PMMA, yipolymer, eyaziwa ngokuba yi-acrylic okanye i-plexiglass.

Iasidi ye-Acrylic kunye ne-polymerization yayo epholileyo yeepolymers ezifunyenwe ngokudibeneyo zibizwa ngokuba yi-acrylic yomthi weviniga, iiplastiki ezihambelanayo ezibizwa ngokuba ziiplastiki ze-polyacrylic acid, apho i-polymethyl methacrylate isetyenziswa kakhulu.

Iipropati ze-PMMA Material

Njengoko i-thermoplastic ebalulekileyo ephuhliswe ngaphambili, i-PMMA ineenzuzo zokungafihli okuphezulu, ixabiso eliphantsi, ukucutshungulwa komatshini okulula, njl. Iyonwabela igama elithi "Queen of Plastics", kwaye inoluhlu olubanzi lwezicelo kwishishini lokwakha.

Ingenambala kwaye ingabonakali, izinga lokuhambisa ukukhanya kwe-90% -92%, ukuqina, amaxesha angaphezu kwama-10 amakhulu kuneglasi ye-silica.

I-optics elungileyo, ukugquma, ukuqhubekeka kunye nokumelana nemozulu.

Inyibilika kwizinyibilikisi zendalo ezifana nekhabhoni tetrachloride, benzene, toluene, dichloroethane, trichloromethane kunye neacetone.

Ibonisa ukungafihli okuphakamileyo kunye nokuqaqamba, ukumelana nobushushu okulungileyo, kunye nokuqina, ubulukhuni, iimpawu eziqinileyo, ubushushu bokuphazamiseka kobushushu obungama-80 ℃, ukugoba amandla e-110Mpa.

Uxinaniso 1.15 - 1.19 g/cm³, deformation lobushushu 76-116℃, ukushwabana ukubumba 0.2-0.8%.

I-coefficient yokwandiswa komgca 0.00005-0.00009 / ° C, ubushushu bokuguqula ubushushu 68-69 ° C (74-107 ° C) .Yintoni i-PMMA Injection Molding?

I-Poly(mеthyl mеthacrylateе), eyaziwa ngokuba yi-PMMA, i-polymer ye-thermoplastic ekhanyayo kunye ne-transparent eye yafumana ukuthandwa kakhulu kumashishini ahlukeneyo. Ukukwazi kwayo ukulinganisa iglasi ngelixa ilula kwaye i-impact-resistant iyenza ibe lukhetho olufanelekileyo kwizicelo ezininzi.

Ukubumba isitofu se-PMMA yinkqubo yokuvelisa echanekileyo kunye nesebenzayo ebandakanya ukutofa i-PMMA enyibilikisiweyo ibe ngumbumba olungiselelweyo phantsi koqinisekiso oluphezulu, okukhokelela kuluhlu olubanzi lweemveliso ezicacileyo ezikhethekileyo kunye nomgangatho obonakalayo.

Kutheni le nto i-PMMA okanye i-Acrylic iSetyenziselwa ubukhulu becala kwi-Injection Molding?

I-Polymethylmethacrylate (PMMA) okanye i-acrylic yi-thermoplastic eyomeleleyo, ecacileyo, ebonakalayo ephezulu ecacileyo ecacileyo ehlala isetyenziswa njengenye indlela yeglasi.

Xa kuthelekiswa nokubumba inaliti ye-polycarbonate, ukubumba inaliti ye-PMMA akubizi kakhulu kwaye kwenza ukubunjwa kwe-acrylics ngokwesiko. Ngenxa yoko, imathiriyeli ye-PMMA ikwathandwa lishishini lemveliso elongezelelweyo ukwenzela iprototyping.

Kwangaxeshanye, ii-acrylics zinamandla aphezulu, ziyakwazi ukumelana nemithwalo, zingafumbi ivumba, kwaye zinokugcina ukunyamezelana okuqinileyo ngexesha lenkqubo yokubumba inaliti.

Kwiimeko zelanga kunye nemvula, i-PMMA iyamelana nemitha ye-UV kwaye, xa idibana namanzi, ihlala izinzile kwaye ayikhululi i-bisphenol A (BPA), ikhemikhali efunyenwe kwiiplastiki ezininzi ezichaphazela kakubi impilo yabantu, eyenza ukuba ifaneleke kwizicelo zangaphandle.

Ngokubanzi, ukuhambelana phakathi kwe-PMMA kunye nobuchule bokubumba benaliti bukhethekile, ukubonelela ngesisombululo sokubumba inaliti yezoqoqosho ngelixa kusenziwa iimveliso ezikumgangatho ophezulu.

Imiqathango ye-PMMA yokuSetyenziswa kokuBunjwa kwesitofu

Kwinkqubo yokubumba i-PMMA ye-injection, i-powder okanye i-granules ifudunyezwa kwindawo etyhidiweyo kwaye ifakwe kwi-mold phantsi koxinzelelo oluphezulu. Emva kokupholisa kunye nokuseta, ukubumba kuyasuswa, okukhokelela kwiimveliso zokubumba ze-PMMA zesiko.

 

I-Advanteges ye-PMMA yokuBumba isitofu

I-PMMA yokubumba isitofu ibonelela ngezinto ezininzi ezilungileyo, iyenza ibe yinto efunwa kakhulu kwizicelo ezahlukeneyo. Makhe siphonononge la mancedo ngokweenkcukacha ezingakumbi:

●Ukucaca okubonakalayo

Enye yezona zinto zibalulekileyo ze-PMMA kukucaca kwayo okukhethekileyo. Xa kuthelekiswa nezinye izinto, i-PMMA ibonelela ngokungafihlisiyo, ifana ngokusondeleyo neglasi kodwa ingenabunzima. Olu phawu lwenza ukuba lube lolona khetho lufanelekileyo kwiimveliso apho ukucaca okubonakalayo kubalulekile.

Nokuba ziilensi zamehlo, iilensi zekhamera, okanye iikhava zokukhanya ezizihambelayo, i-PMMA iqinisekisa ukubonakala okuphezulu, iphucula imveliso epheleleyo yeenkcenkcesho zabasebenzisi kunye ne-aе.

●I-Lightwеight kunye ne-Impact-Resistant

Ubunzima bendalo be-PMMA buyohlula kwiglasi yemveli.

Le propati iyenza inqweneleke kakhulu kwizicelo apho ubunzima bobunzima buyinto enje, njengezixhobo ze-aеrospace kunye nezixhobo zonyango. Ukongeza, iipropеrtiеs ezichasene nempembelelo zinciphisa umngcipheko wokuqhekeka kwiimpembelelo zengozi, ukuphucula ukhuseleko kwiimeko ezahlukeneyo.

●UV kunye neWеeatherr Resistanceе

I-PMMA yaziwa ngokuba yi-UV egqwesileyo kunye nokumelana nemozulu, iyenza ilungele usetyenziso lwangaphakathi nangaphandle. Xa zisesichengeni sokukhanya kwelanga, iimveliso ze-PMMA azibi tyheli okanye ziwohloke ngokuhamba kwexesha, ziqinisekisa ukuba inkangeleko yazo ihlala ingaguquki kwaye igcina ixesha elide.

Lo mgangatho uzuza imiqondiso yangaphandle, ukukhenkceza kwezakhiwo, kunye nezigqubuthelo zokukhanya zemoto.

●Ukuguquguquka kuYilo

Ukubumba isitofu se-PMMA kunika ukuguquguquka okumangalisayo koyilo, okuvumela abavelisi ukuba benze iimilo ezintsonkothileyo kunye nezintsonkothileyo ngokulula.

Abaqulunqi banokutyhala imida yokuyila, benze iimveliso zeplastiki ezintsha ezijongana nezidingo ezithile.

Oku kuguquguquka kuvumela i-PMMA ukuba isetyenziswe kuluhlu olubanzi lwezinto, ukusuka kwizinto ezilula zasekhaya ukuya kwizixhobo zonyango ezintsonkothileyo, ukuvula ilizwe lamathuba ohlukeneyo kumashishini.

Usetyenziso lwe-PMMA Injection Molding

●I-Transparent and Colorеd Shets

Amaphepha e-PMMA afunwa kakhulu kwizicelo ezifuna ukungafihli kunye nokumelana nemozulu. Amashishini afana nolwakhiwo kunye nolwakhiwo asebenzisa iishiti ze-PMMA kwizibane zesibhakabhaka kunye ne-architectural glazing, evumela ukukhanya kwendalo ukuba kukhanyisele ngaphakathi ngelixa kuqinisekiswa ukuqina kunye nokhuseleko lwe-UV.

Ukongeza, iishiti ze-PMMA zisetyenziswa kwisayiniji ukwenza imiboniso ebambe amehlo ngokucace gca.

Ngaphezu koko, iishiti ze-PMMA ziyafumaneka ngemibala eyahlukeneyo, zibonelela abaqulunqi ngokuguquguquka ukubandakanya i-aеsthеtics kunye nesibheno esibonakalayo kwiiprojekthi zabo.

●Automotiveе Industry

Icandelo leemoto lixhomekeke kakhulu kwi-PMMA yokubumba i-injection ukuvelisa uluhlu lwamacandelo anikezela zombini ukhuseleko kunye nesimbo. Iipropathi zokukhanya ezibalaseleyo ze-PMMA zenza ukuba zilungele ukwenza iilensi ze-hеadlamp, ukuqinisekisa ukukhanya okuqaqambileyo nokucacileyo ukuze kuphuculwe ukubonakala kwendlela.

Ngokufanayo, izibane zomsila zixhamla ekukhanyeni kwe-PMMA, zinegalelo kwi-aеsthеtics ye-vеhiclе iyonke. Ukongeza, i-PMMA isetyenziselwa iiphaneli zesixhobo, ibonelela ngokukhaphukhaphu kunye nembonakalo ekhangayo ekugqibeleni kumacandelo angaphakathi emoto.

●Izixhobo zonyango

I-PMMA idlala indima ebalulekileyo kwibala lezonyango, apho ukuchaneka kunye nokuhambelana kwebhayoloji kubaluleke kakhulu. I-intravenous tubing, umzekelo, izibonelelo ezivela elubala lwe-PMMA, evumela iingcali zonyango ukuba zibeke esweni ukuhamba kolwelo ngokufanelekileyo.

I-PMMA cuvеttes isetyenziselwa uvavanyo lwegazi kwilabhoratri, ibonelela ngombono ocacileyo wesampulu yohlalutyo oluchanekileyo. Ngaphezu koko, izixhobo zamazinyo ze-PMMA, ezinje ngamazinyo kunye nezilungelelanisi ezicacileyo, zinika izigulane izisombululo ezitofotofo nezinomtsalane ngokubonakalayo kwiimfuno zempilo yomlomo.

• I-electronics kunye neePaneli zokuBonisa

Umzi-mveliso we-electronics uxhomekeke kwingcaciso ecacileyo ye-PMMA ecacileyo yokuvelisa iipaneli zokubonisa ii-smartphones, iitafile, kunye nabahloli beekhompyutha. Ukucaca kwesixhobo siqinisekisa imifanekiso ecacileyo necacileyo, iphucula amava omsebenzisi.

Iilensi ze-PMMA zikwasetyenziswa kwiikhamera nakwizixhobo zokubona, ukuqinisekisa ukuthembeka kwemifanekiso ngokunciphisa ukugqwetheka kwamehlo.

●Household kunye nempahla yabathengi

Ubunzima be-PMMA, ukuqina, kunye nokuguquguquka kwenza ukuba ibe lukhetho oludumileyo lwezinto ezahlukeneyo zendlu kunye nempahla yabathengi.

IKitchеnware, enjengezikhongozeli zokutya ezingafihliyo, izuza kwingcaciso ye-PMMA, evumela abasebenzisi ukuba bachonge imixholo ngokulula. Ukongeza, i-PMMA isetyenziselwa ukwenza izikhongozeli zokugcina, ezibonelela ngesisombululo esomeleleyo nesihlala ixesha elide sokulungelelanisa izinto zendlu.

Ngaphezulu, isibheno esibonakalayo se-PMMA siyenza ibe yinto ekhethwayo kwiimveliso zokuhombisa, yongeza ukubanjwa okumnandi kwizinto ezahlukeneyo zendlu.