Plexiglass (33 Duab): Dab Tsi Yog Qhov Sib Txawv Ntawm Cov Iav Thiab Acrylic Iav? Ntawv Plexiglass Ntawm Lub Rooj, GOST Thiab Cov Ntsiab Lus Melting, Ntom Thiab Hom

2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-18 12:13

Tau ntau xyoo, cov iav organic tau xaiv ua thawj rau ntau tus neeg siv khoom. Raws li qee tus kws tshaj lij, cov khoom siv no tuaj yeem suav tias yog qhov zoo tshaj plaws ntawm txhua hom yas.

Nws yog dab tsi thiab nws ua los ntawm dab tsi?

Plexiglas yog vinyl polymer nyob rau hauv daim ntawv ntawm cov thermoplastic. Nws tuaj yeem yog ob qho xim thiab pob tshab . Cov iav iav sib txawv ntawm cov iav ib txwm los ntawm nws qhov tshwj xeeb elasticity, ua tsaug uas nws tsis tawg mus rau hauv qhov tawg me tshaj. Cov iav iav tuaj yeem suav tias yog pob tshab, hloov pauv lossis tawg lub hnub cov khoom siv dag zog, hauv kev tsim cov khoom tshwj xeeb acrylic resins thiab cov tshuaj ntxiv tau siv. Polymer methyl methacrylate muaj daim ntawv ntawm cov thermoplastic cob uas tau tawv rau hauv cov hmoov lossis cov hmoov. Nws tau tsim tawm hauv cov ntawv thiab cov thaiv nrog cov tuab tuab thiab qhov sib txawv. Nws feem ntau hu ua acrylite, metaplex, plexiglass thiab acrylic.

Hauv cov txheej txheem tsim khoom, cov ntawv tau txais nrog cov xim sib txawv, uas yog: xiav, liab, ntsuab thiab lwm yam. Raws li GOST 17622 - 72, muaj ntau lub npe ntawm plexiglass:

• TSO;
• TOSN.

Cov khoom siv no tau tsim ua ob txoj hauv kev

• Thaiv . Cov polymer tau txais los ntawm monomeric "puv" ntawm ciam teb ntawm ob lub iav tshwj xeeb. Cov monomers muaj cov tawv, xim thiab lwm yam khoom siv. Tom qab ib pliag, plexiglass raug txiav raws li qhov xav tau.
• Extrusion . Hom plexiglass no tau los ntawm extrusion. Txhawm rau ua cov khoom siv, cov granular polymethyl methacrylate raug xa mus rau lub tshuab extrusion. Nyob ntawd, thawj cov khoom ua kom sov mus rau lub xeev khov, ua raws los ntawm kev nthuav tawm rau hauv daim iav daim ntawv qhia hnub. Cov tuab ntawm cov ntawv txheeb ncaj qha cuam tshuam los ntawm qhov loj ntawm qhov sib txawv nruab nrab ntawm daim qhia hnub hli.

Cov tshuaj lom neeg muaj pes tsawg leeg ntawm cov iav organic yog tib yam rau txhua tus tuam ntxhab. Cov txheej txheem molding ntawm cov khoom yas feem ntau suav nrog kev hloov pauv zoo hauv daim ntawv ntawm huab cua thiab cov tshuab nqus tsev.

Hom khoom siv no tau siv los ntawm tib neeg rau ntau dua 70 xyoo. Niaj hnub no nws tau siv thoob plaws ntiaj teb hauv ntau qhov kev lag luam.

Cov khoom thiab cov yam ntxwv

Ib qho ntawm cov yam ntxwv tseem ceeb ntawm cov nplooj organic yog lub peev xwm los nthuav tawm hauv ntau hom ntawv, thaum nws cov yam ntxwv tseem ceeb tsis raug ua txhaum. Raws li GOST, kev tsis txaus ntseeg thiab qhov txawv ntawm qhov pom tsis raug tso cai ntawm txoj kab khoov ntawm daim ntawv. Cov yam ntxwv tseem ceeb ntawm cov khoom siv yog cov hauv qab no:

• ceev - tsis ntau tshaj 1, 2 g / cm3;
• kev nqus tshwj xeeb - nyob ntawm qhov tuab ntawm daim ntawv, qhov nruab nrab 1190 kg / m3;
• dielectric tsis tu ncua - 3, 5;
• thermal conductivity tsawg, nws yog 0.2-0.3 W / (m * K);
• transparency coefficient - 93%;
• tiv tshav kub - 150 degrees Celsius;
• ua haujlwm kub - ntawm 40 txog 90 degrees Celsius.

Lub ntsiab lus melting ntawm plexiglass yog 150-190 degrees Celsius . Hauv cov xwm txheej no, nws muag muag thiab poob nws daim ntawv qub. Lub polymer yog tus yam ntxwv los ntawm kev yooj yim ntawm kev ua, lub peev xwm los laum, nws tau txiav zoo. Yog tias nws yog qhov tsim nyog yuav tsum muab cov khoom kom zoo ib yam, nws tau rhaub kom ntxiv yas rau cov iav organic. Hom thermoplastic no tshem tawm qhov muaj cua npuas, uas ua rau nws muaj zog thiab ua kom pom kev zoo ib yam. Cov khoom no tau ua tiav matte thiab pob tshab, nws muaj peev xwm ua rau nruab nrab nruab nrab rau cov tshuaj.

Qhov kev thov rau cov polymer yog qhov ncaj ncees los ntawm nws txoj kev nyab xeeb, cov iav uas tsis tuaj yeem tiv taus tuaj yeem tiv taus qhov hnyav thiab muaj qhov ntsuas pom tau zoo ntawm lub teeb . Cov kua qaub raws li fluorine, nitrogen, sulfur, chromium thiab cyanide tuaj yeem cuam tshuam rau iav acrylic. Ib qho ntxiv, nws cuam tshuam los ntawm methyl, butyl, propyl, ethyl cawv. Cov polymer no tuaj yeem yaj nrog chloroform, methylene chloride, dichloroethane. Kev thauj cov organic thermoplastics tuaj yeem nqa los ntawm ntau hom kev thauj mus los.

Kev khaws cov khoom no yuav tsum tau nqa tawm hauv chav qhuav, kaw nrog qhov kub ntawm +5 txog +35 degrees Celsius.

Pros thiab cons

Plexiglas yog hom yas nrov uas muaj ntau yam zoo dua monolithic polycarbonate thiab lwm yam khoom siv

• Tsawg thermal conductivity.
• Feem pua ntawm kev nkag mus rau tshav ntuj. Cov yam ntxwv zoo ntawm cov polymer tsis hloov pauv ntau xyoo. Ib qho ntxiv, nrog siv ntev, plexiglass xim tsis hloov.
• Siab tsis kam rau cov neeg kho tshuab kev nyuaj siab thiab poob siab.
• Lub teeb yuag. Vim nws qhov hnyav tsawg, cov thermoplastic tsis xav tau kev txhawb nqa ntxiv.
• Tsis ua kom tsis zoo thaum raug rau theem siab ntawm cov av noo.
• Tiv taus cov kab mob, pwm thiab kab mob, uas yog vim li cas nws thiaj siv feem ntau hauv kev tsim cov ntab thiab thoob dej yug ntses.
• Kev nyab xeeb ib puag ncig, tsis muaj pa phem.
• Lub peev xwm los ua cov ntawv sib txawv.
• Yooj yim ntawm kev ua haujlwm.
• Frost tsis kam.
• Lub peev xwm kis tau hluav taws xob ultraviolet, uas thaum kawg tsis ua rau daj thiab hloov pauv.
• Tiv taus ntau yam tshuaj.

Ntxiv rau txhua qhov saum toj no, plexiglass yog rov ua dua tshiab. Ntxiv rau qhov zoo, cov khoom siv no tseem muaj qee qhov tsis zoo:

• tso cov tshuaj lom methyl methacrylate thaum lub sij hawm pyrolysis;
• nyiam ua puas rau saum npoo;
• qhov ua tau ntawm qhov kub ntawm 260 degrees Celsius.

Nws txawv li cas ntawm acrylic?

Qhov sib txawv ntawm iav acrylic thiab iav organic tsis loj heev. Acrylic yog hom thermoplastic ntawm cov khoom siv polymer uas tau tsim los ntawm cov hauv paus acrylic . Nws yog lub teeb yuag, ib puag ncig tus phooj ywg polymer nrog lub zog zoo thiab tsis muaj cua sov ua kom sov. Cov khoom siv ruaj khov no yooj yim los ntxuav. Tag nrho cov yam ntxwv saum toj no muaj nyob hauv plexiglass, yog li tsis muaj qhov tshwj xeeb sib txawv ntawm cov khoom siv no. Nws tau pom tsuas yog thaum lub sijhawm tsim khoom vim yog siv qee yam tshuaj ntxiv.

Hom kev txheeb xyuas

Niaj hnub no cov tuam txhab muab cov neeg siv khoom siv ntau yam ntawm cov iav organic. Muaj daim ntawv nyias nyias, thaiv, tuab tinted iav tiv thaiv vandal ntawm lub khw . Thaj chaw ntawm nws siv ncaj qha nyob ntawm hom khoom. Piv txwv li, cov iav uas muaj xim zoo nkauj zoo nkauj siv rau sab hauv tsim. Polymers pob tshab tau txiav txim siab muaj feem cuam tshuam hauv kev tsim vaj tsev kho mob, kho mob, thiab kev tsim kho.

Hom plexiglass sib txawv saib sib txawv, lawv tuaj yeem ua xim thiab xim . Feem ntau, cov neeg siv khoom nyiam ua kom lub teeb tawg, ua kom sov, pov tseg, hloov pauv tau, tiv tshav kub, tiv tshav kub, tiv thaiv kab mob, fluorescent, textured iav, ua los ntawm extrusion thiab lwm txoj hauv kev.

Los ntawm pob tshab

Cov iav iav tuaj yeem ua pob tshab, tsis pom lossis khov. Thawj hom khoom muaj lub teeb pom kev zoo siab. Nws yog tus yam ntxwv los ntawm ob tog kev du thiab ci. Lub thickness ntawm cov khoom no yog 5 hli. Frosted mis nyuj iav kis lub teeb los ntawm 20-70%.

Txhawm rau ua kom tiav qhov pom kev, cov chaw tsim khoom lag luam txo qis cov pob tshab ntawm cov polymer. Vim yog qhov tshwj xeeb no, txheej matting tsis txhuam tawm ntawm qhov chaw thaum ntxuav.

Los ntawm hom nto

Los ntawm hom, qhov plexiglass nto yog du thiab corrugated. Cov khoom siv nrog lub ntsej muag corrugated yog tus yam ntxwv tsis zoo thiab muaj cov duab geometric protrusions . Feem ntau cov khoom siv no tau tsim nrog cov nplaim matte. Qhov nyem ntawm iav tuaj yeem cuam tshuam cov khoom siv kho qhov muag ntawm cov khoom, ntxiv rau txo nws cov pob tshab.

Los ntawm xim

Cov iav organic xim muaj ntau yam xim thiab ntxoov. Cov khoom siv yog xiav, liab, daj, nyiaj, kub, dub . Cov polymer no yog ob lub pob tshab thiab xim sib luag ntawm ob sab. Tam sim no, lub teeb xiav, xim av, iav haus luam yeeb tau suav tias yog qhov tshwj xeeb. Cov khoom siv xim corrugated tuaj yeem kho kom zoo nkauj nrog cov qauv zoo li tee, tawg dej khov, nthwv dej, zib ntab.

Sab saum toj manufacturers

Txij li qhov kev thov rau cov iav organic tau loj hlob txhua xyoo, ntau lub tuam txhab hauv Russia thiab txawv teb chaws tau pib tsim nws. Cia peb nco txog cov npe nto moo tshaj plaws ntawm cov thermoplastic no, nrov thoob plaws ntiaj teb.

Plexiglas . Cov khoom lag luam ntawm hom khoom no tau muag ntau yam. Lub polymer yog tsim los ntawm casting thiab extrusion. Cov kab khoom yog tus yam ntxwv ntawm ntau yam xim.

Irpen muag ntau yam iav organic. Cov kab suav nrog ob qho tib si ib txwm thiab xim cov khoom siv fluorescent.

Quinn yas - cov chaw tsim khoom no muag cov khoom lag luam zoo matte thiab glossy plexiglass.

Organic polymer hauv cov ntawv yog sawv cev los ntawm cov hauv qab no:

• SE - extrusion;
• SB - thaiv;
• SEP - pob tshab, ua los ntawm extrusion;
• SBS - thaiv hom hluav taws -tiv taus;
• SBPT - thaiv nrog tiv tshav kub kub.

Cov ntawv thov

Cov iav organic tau pom nws daim ntawv thov hauv ntau thaj chaw ntawm tib neeg lub neej. Cov khoom siv no tuaj yeem pom hauv tsev, sab hauv . Piv txwv li, nws yog siv rau chav ua noj txee thiab vov tsev. Lub polymer yog qhov tsis tseem ceeb hauv kev tsim dav hlau thiab tsheb, hauv cov cuab yeej thiab cov cuab yeej siv tshuab. Nrog nws txoj kev pab, lawv tsim cov hlab loj thiab me me, tsim cov iav.

Cov iav yas feem ntau pom hauv kev tsim kho thiab tsim vaj tsev . Nws tuaj yeem siv los ua lub laj kab zoo, toj roob hauv pes, muab faib, sab hauv thiab sab nrauv yam ntxwv. Cov yam ntxwv ntawm plexiglass pab txhawb qhov tseeb tias nws feem ntau siv los ntawm cov tsim qauv.

Cov khoom siv yog siv hauv kev tsim cov rooj tog, teeb pom kev zoo, iav qhov rais iav. Tsis ntev los no, cov kav dej polymer tau xav tau zoo.

Plexiglas yog qhov tsim nyog rau kev tsim khoom siv rau kev nthuav tawm thiab chaw yuav khoom, nrog rau cov qauv rau kev tshaj tawm, cov paib thiab cov phiaj rau chav ua haujlwm . Tam sim no, nws nyuaj rau ua yam tsis muaj cov polymer no hauv kev tsim khoom plig, sawv, cim npe, thiab tus lej.

Yuav ua haujlwm nrog cov khoom li cas?

Plexiglass yog txheej txheem yooj yim heev, nws tuaj yeem ntxuav tau yooj yim, txiav thiab tinted . Cov polymer no tuaj yeem txiav nrog hlau hacksaw. Txawm li cas los xij, hauv qhov no, koj tuaj yeem siv dag zog ntau thiab ua rau cov khoom siv tsis zoo. Qhov kev xaiv zoo tshaj plaws rau kev txiav plexiglass yog txiav txim siab siv lub tshuab txiav, uas zoo li pom nrog ib tus hniav. Ib qho ntxiv, cov thermoplastic no tuaj yeem txiav siv lub voj voos lossis los ntawm scraping nrog iav iav.

Kev siv plexiglass tsis tuaj yeem ua yam tsis tau txhuam nws . Ua ntej mus txuas ntxiv nrog cov txheej txheem, nws yog qhov tsim nyog los npaj saum npoo; rau qhov no, nrog kev pab los ntawm cov ntawv nplua zoo, koj yuav tsum tau xuab zeb txhua qhov tsis xws luag. Cov kws tshaj lij qhia siv dej thaum ua haujlwm. Kev tuav polishing yog nqa tawm siv ib daim flannel lossis ib daim ntaub woolen, uas yog ua ntej lubricated nrog polishing muab tshuaj txhuam. Qhov kawg ntawm kev ua haujlwm yog nqa nrog tib daim ntaub, tab sis hauv daim ntawv uas muaj roj. Txhawm rau ua kom tiav polishing sai dua, koj tuaj yeem siv lub log tsoo.

Ua cov iav iav ua tau ntawm qhov kub ntawm 110 txog 135 degrees siab dua xoom. Nyob rau hauv cov xwm txheej zoo li no, cov polymer ua yas thiab khoov zoo. Thaum qhov kub tau qis dua, cov thermoplastic ua nkig thiab poob nws cov yam ntxwv zoo.

Txhawm rau ua cov pwm ntawm plexiglass, koj yuav tsum siv plywood matrix lossis ntoo xuas nrig ntaus. Cov txheej txheem yuav tsum tau ua hauv pem teb, hauv tuam txhab ntawm tus khub. Thaum cov khoom sov sov, nws yuav tsum tau muab tshem tawm ntawm qhov cub thiab muab tso rau ntawm daim ntawv. Tom qab 10 feeb, cov khoom tiav tuaj yeem raug tshem tawm ntawm pwm.

Rau gluing plexiglass siv dichloroethane hauv daim ntawv ntshiab lossis yaj nrog cov quav. Rau cov txheej txheem, ob lub ntsej muag tau pleev xim nrog cov khoom thiab nias kom nruj, tshem tawm cov pa npuas. Qhov chaw sib txuas yuav tsum nkag siab ob peb feeb.

Rau cov xim ib yam ntawm cov thermoplastics nws tau pom zoo kom txhuam cov nplaim ua ntej, tshem cov chips thiab khawb. Cov kauj ruam tom ntej yog npaj cov tshuaj zas, uas yuav tsum muaj cawv thiab zas xim. Cov iav iav organic yuav tsum tau tuav hauv cov dej rhaub kom sov, thiab tom qab ntawd hloov mus rau hauv lub taub ntim nrog dej txias. Tom qab txias, cov iav organic yuav tsum tau so qhuav nrog cov ntawv mos lossis ntaub. Qhov kawg ntawm txheej txheem txheej txheem, nws pom zoo kom txhuam cov khoom polymer.

Plexiglas yog cov khoom siv tshiab tsim muaj ntau yam nrog rau qhov zoo, yog li ntawd nws lub koob npe nrov hauv ntiaj teb tau loj hlob tas li.