Bakelite - dab tsi yog cov khoom no, dab tsi yog nws cov khoom?

Bakelite - yog dab tsi? Material yog ib tug ntawm cov hiob hom yas tsim los ntawm noob neej. Nws yog tau los ntawm condensing phenols nrog formaldehyde resins, nyob rau hauv lub xub ntiag ntawm alkali. Externally, cov khoom tej zaum yuav dog dig li amber, nyuaj roj hmab, celluloid thiab txawm kaus ntxhw.

Tus invention ntawm bakelite

Bakelite - dab tsi yog cov khoom no? Lub tswv yim ntawm kev tsim ib heavy-duty, uas tsis yog-flammable yas tuaj mus rau lub Belgian inventor Leo Bakelandu rov qab nyob rau hauv 1909. Rau ib ntev lub sij hawm cov ntaub ntawv uas siv heev dua lwm yam kom tau raws li cov kev xav tau ntawm muaj tej qhov chaw. Tom qab ntawd, lub teeb yuag thiab huab zog ntawm bakelite tau txais kev pab raws li yav tom ntej zog rau cov kws tshwj xeeb nyob rau hauv lub chaw ua khoom ntawm pheej yig hniav nyiaj hniav kub.

Tshwj xeeb thov cov ntaub ntawv uas pib tsis siv. Tsuas yog nyob rau hauv lub 40s ntawm lub xeem caug xyoo vim yog lub tseem ceeb expansion ntawm cov xim palette, bakelite pib nyiam cov xim ntawm lub tuam txhab uas muag uas paub txhij txhua nyob rau hauv qhov siv thiab ua hniav nyiaj hniav kub thiab ib tug ntau yam ntawm tsev neeg accessories.

Tom qab tsov rog, thov tsis yeem me ntsis nyob rau hauv lub bakelite. Ib tug tshiab yoj ntawm muaj koob meej ntawm cov ntaub ntawv uas tuaj nyob rau hauv lub 80s, thaum lub dai kom zoo ntawm bakelite twb dua nyob rau hauv coob, lom zem ntau vim American designers. Nyob rau hauv kev, ib tug loj loj sau los ntawm bakelite hniav nyiaj hniav kub muaj ib tug naas ej artist thiab filmmaker Endi Uorhola, tom qab kev tuag ntawm uas cov khoom uas muaj muag nyob rau ntawm lub auction rau ib cov ntaub ntawv sum thaum lub sij hawm.

Niaj hnub no, cov xim rau bakelite raws li ib tug siab zog, tsis tshua muaj sib thiab textured khoom yog tseem txaus siab, txawm li cas los, raws li nws tus nqi.

Yuav ua li cas rau tsim bakelite

Ib tug sib tov ntawm formalin nrog phenols nyob rau hauv lub xub ntiag ntawm ib alkali los yog acid catalyst ntaub ntawv ib tug bakelite. Yuav ua li cas yog nws? Hais txog formalin, ces nws yog npaj los ntawm oxidation ntawm methanol ntawm ib tug kub ntawm 650 ° ^C nyob rau hauv lub xub ntiag ntawm ib lub hauv paus nyob rau hauv daim ntawv ntawm cov nyiaj. Lwm tivthaiv bakelite - phenol ua los ntawm cov ntoo, lignite peat khoom ntawm cov roj refining.

Cov khoom xyaw bakelite poured mus rau hauv tshwj xeeb ntaub ntawv, thiab rhuab mus rau 80 ^C. Lub nyoos khoom "bakelite A" nyob rau hauv chav tsev kub muaj zog zoo xws li cov rosin.

Yuav kom tsis txhob muaj cov tsim ntawm bubbles thiab kab noj hniav nyob rau hauv cov qauv ntawm cov bakelite khoom yog polymerized nyob rau ntawm ib kom siab theem ntawm txog 8 atmospheres. Thaum polymerization bakelite nyob rau hauv kaw ntim, yuav tsum tau siab yog tiav los ntawm nws tus kheej.

Bakelite - cov ntaub ntawv uas cov khoom

Bakelite yog ib tug check, txhav khoom uas yuav infusible, insoluble daim ntawv nyob rau hauv tus ntawm lub caij nyoog lub cua sov. Khoom zoo-soluble nyob rau hauv dej cawv. Yog li ntawd, cov cuab yeej no yog ntse siv rau zus tau tej cov bakelite lacquers.

Cov khoom muaj ib tug check txheej. Bakelite yog ib qho zoo heev neeg xyuas pib ntawm tshav kub thiab nws saum npoo resists puas thiab siab. Machining ntawm bakelite yuav ua rau ib tug kws dhos.

Ntawm lwm yam, cov ntaub ntawv uas muaj high kuj mus corrosive tshuaj. Tshwj tsuas feeb meej daws cov teeb meem ntawm nitric acid thiab sulfuric acid.

Lawm, zoo li lwm yam khoom, nws muaj nws cov drawbacks thiab bakelite. Yuav ua li cas yog nws? Ua ntej ntawm tag nrho cov, nws muaj nqis ntsoov teev cov kev ceev thiab muaj zog brittleness ntawm cov khoom. Tej yam uas nyob rau hauv lub hauv paus ntawm tau loj heev bakelite. Yog li ntawd, cov khoom yog lig unsuitable rau zus tau tej cov zoo li niaj hnub electronics.

Nyob rau tib lub sij hawm, bakelite yog teeb meem vim lub muaj nyob rau hauv nyob tus yeees ntawm formaldehyde thiab ntau lwm yam tshuaj lom Cheebtsam. Nyob rau qhov no hauv paus, tau siv cov ntaub ntawv uas nyob rau hauv ib co muaj sectors nyob twj ywm heev xwb.

Yuav ua li cas kom paub qhov txawv tiag tiag los ntawm fake bakelite?

Bakelite - yog dab tsi? Ua ntej, cov ntaub ntawv uas yog yus muaj los ntawm cov nqi zog xws li weathering kuj, acid zoo heev dielectric, thiab yog ib qho yooj yim mus ua hauj lwm mechanically.

Txawm tias ib tug tag nrho ntau ntawm cov lus hais txawv lwm thaj chaw ntawm cov ntaub ntawv uas, feem ntau, muaj fakes. Txawm li cas los, muaj ntau ntau pov thawj txoj kev uas tso cai rau koj paub qhov txawv cov hom ntawm cov yas los ntawm ib tug fake:

1. Ua rov qab nto bakelite tsev neeg nqus tsev vacuum tas ua rau tshwm sim ntawm hnov patina raws li ib tug yellowish stain.
2. Los rau bakelite dej kub ua peculiar tsis hnov tsw, tsw me ntsis reminiscent ntawm camphor.

Nyob rau hauv qhov tseeb, ua ib tug fake bakelite yog heev yooj yim. Yog hais tias muaj yog ib qho ntawm cov tshuaj txaus imitation ntaub ntawv uas yuav tau ua nyob rau hauv tsev. Feem ntau, tsuas yog thaum lub sij hawm soj ntsuam thiab close-up, nyob ze kev xeem nws yuav paub tseeb hais tias cov khoom yog tsis tseeb.

ornaments raug bakelite

Koj bakelite teeb meem? Cov teeb meem yuav muab cov feem ntau heev heev craftsmen uas txiav txim siab mus koom nyob rau hauv lub chaw ua khoom ntawm hniav nyiaj hniav kub. Thaum lub sij hawm ntawm cov tsos ntawm cov khoom, kev ruaj ntseg ntawm nws siv seb puas tsimnyog tau ib co xav phem cais tsis. Tam sim no, txawm li cas los, muaj pes tsawg leeg ntawm bakelite devoid ntawm tshuaj lom, uas teeb meem tshuaj. Uas yog vim li cas niaj hnub no yog li ntawd fashionable siv no lub moj khaum rau zus tau tej cov hniav nyiaj hniav kub.

Muaj wizards uas yog siv rau zus tau tej cov hniav nyiaj hniav kub bakelite plhaub cuab yeej siv qub. Feem ntau, nyob rau hauv no raug txoj kev, lub buyer decorations ceeb toom txog nws keeb kwm.

Nqi ntawm cov khoom ntawm bakelite

Yog hais tias peb tham txog cov nqi ntawm bakelite hniav nyiaj hniav kub, ces nws nyob rau hauv lub complexity ntawm zus tau tej cov khoom, sau tus nqi thiab txoj cai ntawm lub chaw tsim tshuaj paus. Feem ntau, bakelite hniav nyiaj hniav kub dub, ntsuab, iris xim koj mus yuav ntawm tus nqi qis tshaj.