Polypropylene (PP) yog thermoplastic "ntxiv polymer" ua los ntawm kev sib xyaw ntawm propylene monomers. Nws yog siv nyob rau hauv ntau yam kev siv xws li ntim khoom rau cov neeg siv khoom, cov khoom yas rau ntau yam kev lag luam nrog rau kev lag luam tsheb, cov cuab yeej tshwj xeeb xws li pob khawm nyob, thiab textiles.
Polypropylene yog thawj polymerized nyob rau hauv 1951 los ntawm ib khub ntawm Phillips roj av kws tshawb fawb hu ua Paul Hogan thiab Robert Banks thiab tom qab ntawd los ntawm Italian thiab German kws tshawb fawb Natta thiab Rehn. Nws tau dhau los ua qhov tseem ceeb heev, raws li kev lag luam tsim khoom pib nyuam qhuav pib peb xyoos tom qab Italian chemist, xibfwb Giulio Natta, thawj polymerized nws.
Natta ua tiav thiab tsim cov thawj polypropylene cob hauv Spain hauv xyoo 1954, thiab lub peev xwm ntawm polypropylene crystallize tsim muaj kev zoo siab heev. Los ntawm 1957, nws cov koob meej tau tawg thiab nthuav kev lag luam kev lag luam pib thoob plaws Tebchaws Europe. Niaj hnub no nws yog ib qho ntawm feem ntau tsim plastics nyob rau hauv lub ntiaj teb no.
CNC Txiav Polypropylene Living Hinge Prototype Child Safe Hau
CNC Txiav Polypropylene Living Hinge Prototype Me Nyuam Lub Ncauj Zoo los ntawm cov cuab yeej muaj tswv yim
Raws li qee cov lus ceeb toom, qhov kev thov thoob ntiaj teb tam sim no rau cov khoom tsim ua lag luam txhua xyoo ntawm kwv yees li 45 lab metric tons thiab nws tau kwv yees tias qhov kev thov yuav nce mus txog kwv yees li 62 lab metric tons los ntawm 2020.
Cov neeg siv khoom loj kawg ntawm polypropylene yog kev lag luam ntim khoom, uas siv li 30 feem pua ntawm tag nrho, ua raws li cov khoom siv hluav taws xob thiab khoom siv, uas siv li ntawm 13 feem pua. Cov khoom siv hauv tsev thiab kev lag luam automotive ob leeg siv 10 feem pua ntawm txhua qhov thiab cov khoom siv ua raws nrog 5 feem pua ntawm kev ua lag luam.
Lwm daim ntawv thov ua ke ua kom tag nrho lub ntiaj teb polypropylene noj.
Polypropylene muaj qhov nplaum nplaum uas tuaj yeem ua rau nws muaj peev xwm hloov tau cov yas zoo li Acetal (POM) hauv cov ntawv thov kev sib txhuam qis xws li lub zog lossis siv los ua qhov chaw sib cuag rau rooj tog.
Tej zaum qhov tsis zoo ntawm qhov zoo no yog tias nws tuaj yeem nyuaj rau kev sib txuas Polypropylene rau lwm qhov chaw (piv txwv li nws tsis ua raws li qee cov kua nplaum uas ua haujlwm zoo nrog lwm cov yas thiab qee zaum yuav tsum tau welded nyob rau hauv cov xwm txheej uas yuav tsum tau ua ib qho kev sib koom ua ke. ).
Txawm hais tias polypropylene yog nplua nyob rau theem molecular, nws muaj qhov coefficient siab ntawm kev sib txhuam - uas yog vim li cas acetal, nylon, lossis PTFE yuav siv los hloov. Polypropylene tseem muaj qhov tsis sib xws rau lwm cov huab cua uas txhais tau tias cov khoom siv hluav taws xob rau cov chaw tsim khoom thiab cov neeg faib khoom ntawm kev txhaj tshuaj pwm polypropylene feem.
Nws muaj qhov tshwj xeeb tsis kam ntawm chav sov rau cov kuab tshuaj organic zoo li cov rog tab sis raug oxidation ntawm qhov kub siab dua (ib qho teeb meem tshwm sim thaum txhaj tshuaj molding).
Ib qho txiaj ntsig tseem ceeb ntawm Polypropylene yog tias nws tuaj yeem tsim tau (txawm los ntawm CNC los yog txhaj tshuaj molding, thermoforming, los yog crimping) rau hauv pob khawm nyob. Hinges nyob yog cov nyias nyias ntawm cov yas uas khoov yam tsis muaj kev tawg (txawm tias dhau ntau qhov kev txav ze ze 360 degrees).
Lawv tsis muaj txiaj ntsig tshwj xeeb rau kev siv cov qauv xws li tuav lub qhov rooj hnyav, tab sis tshwj xeeb tshaj yog muaj txiaj ntsig zoo rau cov ntawv thov tsis muaj kev thauj khoom xws li lub hau ntawm lub raj mis ketchup lossis tshuaj zawv plaub hau. Polypropylene yog qhov tshwj xeeb tshaj plaws rau cov pob khawm nyob vim nws tsis tawg thaum rov khoov duav.
Ib qho ntawm lwm qhov zoo yog tias polypropylene tuaj yeem ua CNC machined kom suav nrog lub pob khawm nyob uas tso cai rau kev tsim qauv sai dua thiab tsis tshua kim dua li lwm txoj kev tsim qauv. Creative Mechanisms yog qhov tshwj xeeb hauv peb lub peev xwm los siv lub tshuab muaj sia nyob los ntawm ib daim ntawm polypropylene.
Lwm qhov zoo ntawm Polypropylene yog tias nws tuaj yeem yooj yim copolymerized (tseem ceeb ua ke rau hauv cov yas sib xyaw) nrog rau lwm cov polymers xws li polyethylene. Copolymerization hloov pauv cov khoom muaj txiaj ntsig zoo, tso cai rau kev siv engineering ntau dua li qhov ua tau nrog cov ntshiab polypropylene (ntau dua ntawm cov khoom yas ntawm nws tus kheej).
Cov yam ntxwv uas tau hais los saum toj no thiab hauv qab no txhais tau hais tias polypropylene yog siv rau ntau yam kev siv: lub tshuab ntxuav tais diav, tais, khob, thiab lwm yam, opaque to-go containers, thiab ntau yam khoom ua si.
