Nhau dzeIndasitiri
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Makambani emafashoni ari kutambawo nebiology yekugadzira zvinhu, LanzaTech ichiburitsa chipfeko chitema chakagadzirwa neCO₂.
Hazvisi zvekuwedzeredza kutaura kuti biology yekugadzira zvinhu yapinda muhupenyu hwevanhu. ZymoChem yava kuda kugadzira jekete rekuski rakagadzirwa neshuga. Munguva pfupi yapfuura, kambani yezvipfeko zvemafashoni yakatanga dhirezi rakagadzirwa neCO₂. Fang iLanzaTech, kambani yebiology yekugadzira zvinhu ine mukurumbira. Zvinonzwisisika kuti kushandira pamwe uku hakusi kwekutanga "kusanganisa" kweLanzaTech. Kubva muna Chikunguru gore rino, LanzaTech yakashanda pamwe nekambani yezvipfeko zvemitambo Lululemon uye yakagadzira shinda nejira rekutanga pasi rose rinoshandisa machira ecarbon emission akadzokororwa. LanzaTech ikambani yehunyanzvi hwebiology yekugadzira zvinhu iri muIllinois, USA. Zvichibva pakuunganidzwa kwayo kwehunyanzvi mubiology yekugadzira zvinhu, bioinformatics, huchenjeri hwekugadzira zvinhu uye kudzidza kwemuchina, uye mainjiniya, LanzaTech yakagadzira... -
Nzira Dzekuvandudza Hunhu hwePVC - Basa reZviwedzerwa.
PVC resin inowanikwa kubva mupolymerization haina kugadzikana zvakanyanya nekuda kwekugadzikana kwayo kwekupisa kwakaderera uye viscosity yakanyanya kunyunguduka. Inofanira kuchinjwa isati yagadziriswa kuita zvigadzirwa zvakapedzwa. Hunhu hwayo hunogona kuwedzerwa/kugadziriswa nekuwedzera zvimwe zvinhu, zvakaita seheat stabilizers, UV stabilizers, plasticizers, impact modifiers, fillers, flame retardants, pigments, nezvimwewo. Kusarudzwa kwezvinowedzera izvi kuti zviwedzere hunhu hwepolymer kunoenderana nezvinodiwa pakushandiswa. Semuenzaniso: 1. Mapurasitiki (Phthalates, Adipates, Trimellitate, nezvimwewo) anoshandiswa seanonyorovesa kuti awedzere rheological pamwe nekushanda kwemuchina (kusimba, simba) kwezvigadzirwa zvevinyl nekuwedzera tembiricha. Zvinhu zvinokanganisa kusarudzwa kwepurasitiki yevinyl polymer ndeizvi: Polymer inoenderana... -
Chigaro chakadhindwa nepolylactic acid 3D chinokanganisa fungidziro yako.
Mumakore achangopfuura, tekinoroji yekudhinda ye3D inogona kuonekwa munzvimbo dzakasiyana-siyana dzemaindasitiri, dzakadai sezvipfeko, mota, kuvaka, chikafu, nezvimwewo, zvese zvinogona kushandisa tekinoroji yekudhinda ye3D. Kutaura zvazviri, tekinoroji yekudhinda ye3D yakashandiswa pakugadzira zvinhu zvishoma nezvishoma mumazuva ekutanga, nekuti nzira yayo yekukurumidza yekugadzira inogona kuderedza nguva, simba revanhu uye kushandiswa kwezvinhu zvakabikwa. Zvisinei, sezvo tekinoroji ichikura, basa rekudhinda ye3D harisi rekuwedzera chete. Kushandiswa kwakakura kwetekinoroji yekudhinda ye3D kunosvika kumidziyo iri pedyo nehupenyu hwako hwezuva nezuva. Tekinoroji yekudhinda ye3D yakachinja maitiro ekugadzira fenicha. Netsika, kugadzira fenicha kunoda nguva yakawanda, mari uye simba revanhu. Mushure mekunge prototype yechigadzirwa yagadzirwa, inofanirwa kuongororwa nguva dzose uye kuvandudzwa. Ho... -
Ongororo pamusoro peKuchinja kwePE Downstream Consumption Varieties mune Remangwana.
Parizvino, huwandu hwekushandiswa kwepolyethylene munyika yangu hwakakura, uye kupatsanurwa kwemhando dzepurasitiki kwakaoma uye kunonyanya kutengeswa zvakananga kune vagadziri vezvigadzirwa zvepurasitiki. Ndezvechigadzirwa chekupedzisira muchikamu cheindasitiri ye ethylene. Pamwe chete nekukanganiswa kwekuwanda kwekushandiswa kwemumba munharaunda, musiyano wekuwanikwa kwenzvimbo uye kudiwa kwemidziyo hauna kuenzana. Nekuwedzera kwakasimba kwesimba rekugadzira kwemakambani ekugadzira polyethylene enyika yangu mumakore achangopfuura, divi rekugovera rakawedzera zvakanyanya. Panguva imwe chete, nekuda kwekuvandudzwa kuri kuramba kuchiitwa kwekugadzirwa kwevagari uye mararamiro avo, kudiwa kwavo kwakawedzera zvishoma nezvishoma mumakore achangopfuura. Zvisinei, kubva muhafu yechipiri ya202... -
Ndeapi Mhando dzakasiyana dzePolypropylene?
Kune mhando mbiri huru dzepolypropylene dziripo: homopolymers uye copolymers. Macopolymers akakamurwa kuita mablock copolymers uye random copolymers. Chikamu chimwe nechimwe chinokodzera mamwe mashandisirwo zviri nani kupfuura mamwe. Polypropylene inowanzonzi "simbi" yeindasitiri yepurasitiki nekuda kwenzira dzakasiyana-siyana dzainogona kugadziriswa kana kugadziriswa kuti iite basa rakati. Izvi zvinowanzoitwa nekuisa zvimwe zvinhu zvakakosha mairi kana nekugadzira nenzira chaiyo. Kuchinjika uku chinhu chakakosha. Homopolymer polypropylene igiredhi rebasa rakajairika. Unogona kufunga nezveizvi semamiriro ezvinhu epakutanga epolypropylene. Block copolymer polypropylene ine mayuniti e-monomer akarongwa mumabhuroko (ndiko kuti, muchimiro chenguva dzose) uye ine chero... -
Ndezvipi zviratidzo zvePolyvinyl Chloride (PVC)?
Zvimwe zvezvinhu zvakakosha zvePolyvinyl Chloride (PVC) ndeizvi: Kuwanda: PVC yakakora zvikuru kana tichienzanisa nemapurasitiki mazhinji (gravity chaiyo iri pedyo ne1.4) Zvehupfumi: PVC inowanikwa nyore uye yakachipa. Kuoma: PVC yakasimba inokodzera zvakanaka pakuoma uye kugara kwenguva refu. Simba: PVC yakasimba ine simba rakanaka rekudhonza. Polyvinyl Chloride ipurasitiki inodziya (zvichisiyana ne "thermoset"), iyo ine chekuita nenzira iyo purasitiki inopindura nayo pakupisa. Zvinhu zveThermoplastic zvinova mvura panguva yekunyunguduka kwadzo (mhando yePVC iri pakati pe100 degrees Celsius yakaderera uye yakakwirira se260 degrees Celsius zvichienderana nezvinowedzera). Chinhu chikuru chinobatsira nezvethermoplastics ndechekuti dzinogona kupiswa kusvika pakunyunguduka kwadzo, kutonhodzwa, uye kudziiswazve ne... -
Chii chinonzi caustic soda?
Parwendo rwekuenda kusupermarket, vatengi vanogona kutenga sipo, kutenga bhodhoro reaspirin uye kutarisa misoro yenhau dzichangoburwa mumapepanhau nemagazini. Pakutanga, zvingaita sekuti zvinhu izvi hazvina kufanana zvakanyanya. Zvisinei, chimwe nechimwe chazvo, caustic soda ine basa guru muzvinyorwa zvavo kana maitiro ekugadzira. Chii chinonzi caustic soda? Caustic soda ikemikari inosanganiswa nesodium hydroxide (NaOH). Iyi kemikari ialkali - rudzi rwehwaro hunogona kudzikamisa acids uye hunonyungudika mumvura. Nhasi caustic soda inogona kugadzirwa muchimiro chemapellets, flakes, powders, solutions nezvimwe. Caustic soda inoshandiswa chii? Caustic soda yave chinhu chinowanzo shandiswa mukugadzirwa kwezvinhu zvakawanda zvezuva nezuva. Inozivikanwa selye, yave ichishandiswa... -
Sei Polypropylene ichishandiswa kakawanda?
Polypropylene inoshandiswa mumabasa epamba nemaindasitiri. Hunhu hwayo hwakasiyana uye kugona kwayo kuchinjika kune nzira dzakasiyana dzekugadzira zvinoita kuti ive chinhu chakakosha pakushandiswa kwakasiyana-siyana. Chimwe chinhu chakakosha kugona kwepolypropylene kushanda sepurasitiki uye sefiber (senge mabhegi ekushambadzira anopihwa pamitambo, mitambo, nezvimwewo). Kugona kwayo kugadzirwa nenzira dzakasiyana uye mukushandiswa kwakasiyana kwakaita kuti itange kukwezva zvinhu zvekare zvakawanda, kunyanya mumaindasitiri ekurongedza, fiber, uye injection molding. Kukura kwayo kwakaramba kuripo kwemakore uye ichiri mutambi mukuru muindasitiri yepurasitiki pasi rese. KuCreative Mechanisms, tine... -
Chii chinonzi PVC granules?
PVC ndeimwe yemapurasitiki anonyanya kushandiswa muindasitiri. Plasticol, kambani yeItaly iri pedyo neVarese yave ichigadzira magranule ePVC kwemakore anopfuura makumi mashanu ikozvino uye ruzivo rwakawanikwa mumakore apfuura rwakabvumira bhizinesi kuwana hunyanzvi hwakadzama zvekuti ikozvino tinogona kuishandisa kugutsa zvikumbiro zvevatengi vese vachipa zvigadzirwa zvitsva uye zvakavimbika. Chokwadi chekuti PVC inoshandiswa zvakanyanya mukugadzira zvinhu zvakasiyana-siyana chinoratidza kuti hunhu hwayo hwemukati hunobatsira zvikuru uye hwakakosha. Ngatitangei kutaura nezvekuomarara kwePVC: chinhu chacho chakaoma zvikuru kana chakachena asi chinoshanduka kana chikasanganiswa nezvimwe zvinhu. Hunhu uhwu hwakasiyana hunoita kuti PVC ikwane mukugadzira zvigadzirwa zvinoshandiswa muminda yakasiyana, kubva pakuvaka imwe... -
Zvinopenya zvinoora zvinogona kuchinja indasitiri yezvizoro.
Hupenyu hwakazara nekurongedza kunopenya, mabhodhoro ekushongedza, ndiro dzemichero nezvimwe, asi zvakawanda zvacho zvakagadzirwa nezvinhu zvine chepfu uye zvisingagari kwenguva refu zvinoparira kusvibiswa kwepurasitiki. Munguva pfupi yapfuura, vaongorori vepaYunivhesiti yeCambridge muUK vakawana nzira yekugadzira glitter inogara kwenguva refu, isina chepfu uye inoora kubva ku cellulose, chivakwa chikuru chemadziro esero emiti, michero nemiriwo. Mapepa ane chekuita nazvo akabudiswa mujenari reNature Materials musi wa11. Yakagadzirwa kubva ku cellulose nanocrystals, glitter iyi inoshandisa ruvara rwechimiro kuchinja chiedza kuti ibudise mavara anopenya. Semuenzaniso, mune zvakasikwa, kupenya kwemapapiro eshavishavi neminhenga yepikoko mabasa ehunyanzvi eruvara rwechimiro, ayo asingazoperi mushure mezana remakore. Uchishandisa nzira dzekuzviunganidzira, cellulose inogona kugadzira ... -
Chii chinonzi Polyvinyl chloride (PVC) paste Resin?
Polyvinyl chloride (PVC) paste Resin, sezvinoreva zita racho, ndeyekuti resin iyi inonyanya kushandiswa muchimiro chekunamira. Vanhu vanowanzo shandisa rudzi urwu rwekunamira seplastisol, inova chimiro chemvura chakasiyana chepurasitiki yePVC muchimiro chayo chisina kugadziriswa. . Maresini ekunamira anowanzo gadzirwa ne emulsion uye nzira dze micro-suspension. Polyvinyl chloride paste resin ine saizi yakanaka yezvikamu, uye magadzirirwo ayo akaita se talc, isina kufamba. Polyvinyl chloride paste resin inosanganiswa nePlasticizer yozosanganiswa kuti iite stable suspension, iyo inozogadzirwa kuita PVC paste, kana PVC plastisol, PVC sol, uye ndiyo fomu iyi iyo vanhu vanoshandiswa kugadzirisa Zvigadzirwa zvekupedzisira. Mukugadzira paste, mafiller akasiyana-siyana, diluents, heat stabilizers, foaming agents uye light stabilizers zvinowedzerwa zvichienderana ne ... -
Chii chinonzi PP Films?
ZVINHU Polypropylene kana PP ipurasitiki inodhura zvishoma uye yakajeka, ine kupenya kwakanyanya uye simba rakanaka rekusunga. Ine poindi yekunyunguduka yakakwira kupfuura PE, izvo zvinoita kuti ikwanise kushandiswa kunoda sterilization pakupisa kwakanyanya. Inewo mhute shoma uye kupenya kwakanyanya. Kazhinji, hunhu hwePP hwekuvhara kupisa hahuna kunaka sehweLDPE. LDPE inewo simba rekubvaruka riri nani uye inodzivirira kupisa kwakaderera. PP inogona kugadzirwa nesimbi izvo zvinoita kuti pave nehupfumi hwegasi hwakavandudzwa pakushandiswa kunoda kushandiswa uko hupenyu hwechigadzirwa hwakareba hwakakosha. Mafirimu ePP akakodzera mhando dzakasiyana dzemaindasitiri, vatengi, uye mota. PP inogona kushandiswazve zvizere uye inogona kugadziriswazve nyore nyore kuita zvimwe zvigadzirwa zvakawanda zvemashandisirwo akasiyana. Zvisinei,...