Thermoplastic vs Thermoset

Thermoplastic vs Thermoset

Thermoplastic yana nufin kadarorin da wani abu zai iya gudana kuma ya lalace lokacin da aka yi zafi, kuma yana iya kiyaye wata siffa bayan sanyaya. Yawancin polymers na layi suna nuna thermoplasticity kuma ana iya sarrafa su cikin sauƙi ta hanyar extrusion, allura ko gyare-gyare. Thermosetting yana nufin kadarorin da ba za a iya tausasa shi da gyaggyarawa repeatedly lokacin da zafi, kuma ba za a iya narkar da shi a cikin kaushi. Babban polymers suna da wannan dukiya.

Thermosetting shine canjin sinadarai. Bayan an yi zafi, tsarin ya canza kuma ya koma wani abu. Misali, ba za ka iya mayar da kwan bayan ya dahu. Thermoplasticity wani canji ne na jiki. Kawai cewa yanayin kayan yana canzawa lokacin da aka yi zafi, amma tsarin ba ya canzawa. Har yanzu yana da asali. Alal misali, idan kyandir ya narke da zafi, ana iya mayar da shi zuwa ainihin kyandir, amma konewar kyandir wani canji ne na sinadarai.

1. Kayan zafi

Yana zama mai laushi da ruwa lokacin zafi, kuma yana taurare lokacin da aka sanyaya. Wannan tsari yana juyawa kuma yana iya zama repeci. Polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyoxymethylene, polycarbonate, polyamide, acrylic filastik, sauran polyolefins da copolymers, polysulfide, polyphenylene ether, chlorinated polyether, da dai sauransu Yana da thermoplastic. Sarƙoƙin kwayoyin guduro a cikin thermoplastics duk layi ne ko reshe. Babu wata alaƙar sinadarai tsakanin sarƙoƙin ƙwayoyin cuta, kuma suna yin laushi kuma suna gudana idan sun zafi. Tsarin sanyaya da taurin kai shine canjin jiki.

2. Thermosetting robobi

Lokacin da aka yi zafi a karon farko, yana iya yin laushi kuma yana gudana. Lokacin da aka yi zafi zuwa wani zafin jiki, wani sinadari yana faruwa zuwa haɗe-haɗe da ƙarfi don taurare. Wannan canjin ba zai iya jurewa ba. Bayan haka, idan ya sake zafi, ba zai iya yin laushi da gudana ba. Ta wannan yanayin ne ake aiwatar da tsarin gyare-gyaren, kuma ana amfani da kwararar filastik a lokacin dumama na farko don cika rami a ƙarƙashin matsin lamba, sannan a ƙarfafa shi cikin samfurin ƙayyadaddun tsari da girman. Ana kiran wannan abu thermoset.

Gudun robobi na thermosetting na layi ne ko reshe kafin a warke. Bayan warkewa, ana samun haɗin sinadarai tsakanin sarƙoƙi na ƙwayoyin cuta don samar da tsarin hanyar sadarwa mai girma uku. Ba wai kawai ba za a iya sake narke shi ba, amma ba za a iya narkar da shi a cikin kaushi ba. Phenolic, aldehyde, melamine formaldehyde, epoxy, polyester unsaturated, silicone da sauran robobi duk robobi ne na thermosetting.

Thermoplastic vs Thermoset