Gutta-percha - nayo .. Zvinoreva shoko "gutta-percha"

A zvinhu zvakadai gutta percha rinoreva zvakasiyana-siyana zvakaoma rwokuzvarwa latex yakawanikwa kubva muto miti mhando Palaquium, Isonandra uye Dichopsis. Shoko pacharo rinobva zita chirimwa mumutauro Malay -. "Geyha-Persian", iro rinoshandurudza sezvo 'latex gurovhisi " Gutta-percha - ndiko? chipauro iri rinoshandiswa zvose chaizvoizvo uye zvokufananidzira.

Kubva esayenzi maonero

Chii chinorehwa neshoko rokuti "gutta-percha"? Kubva esayenzi maonero, mashoko aya akanga Classified muna 1843 uye akataura anobatsira hunhu thermoplastics. In yechipiri yezana XIX remakore, gutta-percha inoshandiswa dzakasiyana-siyana mudzimba uye maindasitiri zvinangwa.

Zvikurukuru, mashoko aya kwave waida sechinhu insulating mashoko pasi pemvura teregirafu netambo. Long pamberi gutta-percha wakatangwa munyika dzokuMadokero, yaishandiswa pane zvishoma kupatsanurwa chimiro Malaysian Archipelago zvemo nokuita Pazvibato nokuda mapanga, achifamba zvimiti uye zvimwe zvinangwa.

Yokutanga European kuona mashoko aya akanga John John akati awana kuFar East muna 1656. Akariti "dondo Mather." Dr. William Montgomery, yokurapa mukuru Indian basa, akatanga gutta-percha Hwokuita kushandiswa kuMadokero. Akatanga akaziva izvi acho mushonga, uye muna 1843 akanga paakavapa kuGold menduru of Royal Society of Arts muLondon.

gutta-percha muti

In Malaysia, muti unozivikanwa se "Taban", uye vanhu ikoko rakagara richidudzirwa akashandisa vakaomesa muto ( "khans") nokuda kwezvifananidzo zvaAtemisi zvinhu zvakadai kuumbwa Pazvibato kuti maturusi uye mapanga. Ichi dzinongoitika latex, anonziwo gutta-percha, inokosha chaizvo chigadzirwa.

Palaquium gutta miti kukura kureba 5-30 M uye yemanyorero munhu dhayamita kuti 1.5 m. Miti yakasvibira anosiya, interleaved kana kurongwa nenzira zononoka, nyore, mumwe-chidimbu, zvinenge 8-25 masendimita mumwe pakureba. Vane vaima mutema pamusoro uye kazhinji yero kana glaucous pazasi.

Maruva aonekwa mu masumbu diki achitevedza madzinde, mumwe ruva ane chena Corolla mana mhuri (kazhinji nhanhatu) unopinza mashizha. Michero riri bheri ovoid 3-7 masendimita ari dhayamita, rine kubva mumwe mbeu mana. In zhinji mhando, huchidyiwa.

In Australia, kuti gutta percha - nevakawanda zita, zvikuru kushandiswa huni Excoecaria parvifolia, zvinopa anonhuhwirira, rinorema shava huni. It chinonziwo "kuchamhembe Birch." Ino chaiyo howa haisi chokuita chizvarwa Palaquium.

Kubva makemikari nemaonero

Gutta-percha Zvinorevei? Munguva truest Mupfungwa nayo - yakagadzirwa gutta-percha. Imhandoi meteriall kubva makemikari pfungwa? Chimiro Its ari latex kana elastomer polymer kubva isoprene kana polyisoprene. Nepo latex rubbers vari amorphous mune samolecular yakarongeka, guttapercha (transstruktura) akapfupikisa, iyo inotungamira kuti stiffer kusachinja-chinja. Gutta-percha - ndiko isoprene polymer riri nyoro apo nenharo uye zviri nyore zvinogona kuumbwa mu-siyana zviri zvazviri hwakadzama.

Kushandisa Dentistry

The chete bioinertsiya akaita kuti gutta percha akakodzera zvomumvura netambo, uyewo yakakodzera kwezvokurapa zvinangwa, kureva muna dentistry. Izvi zvinhu rinoshandiswa zhinji zvomusejari mano uye mudzi kurapa (obturation kana wakazadza chinhu mukati zino mudzi pashure pacho kwave kuchiita endodontic kurapa). Its zvivako mumuviri uye namakemikari, kusanganisira inertness uye biocompatibility, utsotso pfungwa, ductility uye malleability, achiita zvichikosha mune endodontics.

nhoroondo kushandiswa

Sezvo pakugadzira inert uye wakatsiga, kwakadai latex zvakanaka zvemagetsi insulator rurefu dielectric rusingaperi. Huni zhinji kwemarudzi ndeyakewo zvinokosha. Western nyika ehupfumi kuti gutta-percha yakaonekwa chete muna 1842, kunyange zvazvo omunharaunda malayan vaAborigine akarishandisa kwemazana emakore. Kana ukarega nemvura (muto) kuti ipfungaire uye coagulate muzuva, Zvachinja zvakaoma latex, izvo zvinogona zvakare anonzwisisa kana pakutsamwisana asi kwete pfava, kusiyana rabha, vakawana asati kuwanikwa vulcanization.

Pakazosvika 1845, muUK yakabereka neteregirafu waya, insulated pamwe gutta-percha. Latex aiva insulating mashoko okutanga yepasi pemvura teregirafu netambo, kusanganisira wokutanga transatlantic teregirafu waya. Gutta-percha akanga kunyanya dzakakodzerana ichi, sezvo isina vakarwiswa zvomumvura miti kana mhuka kuti dzichikanganisa yapfuura yepasi pemvura netambo.

The acho aiva chikuru chinoumba Chatterton remubatanidzwa kushandiswa insulating sealant nokuda teregirafu uye mamwe magetsi netambo. Sezvo 1930 goda polyethylene displaces gutta-percha somunhu zvemagetsi insulator.

In pakati pezana XIX remakore, gutta-percha yaishandiswawo anogadzira zvinhu fenicha, kunyanya, kambani "Gutta-knot", yakavambwa muna 1847. Kana neshungu, mashoko anogona kuumbwa kupinda fenicha, zvishongo kana midziyo. Vamwe izvi decoration zvidimbu mu Renaissance Style wawakaratidzwa panguva Exhibition Great muna 1851 muna Hyde Park muLondon.

ano mashandisirwo

It yaishandiswawo kugadzirwa kuchema zvishongo nekuti kwakanga kwasviba uye zviri nyore kuti pave marozari kana zvimwe zvitarisiko. Pistol kutaba nepfudzi Mapedhi vakanga rakagadzirwa gutta-percha, izvo akavapa simba uye mukurumari. Golf bhora guttie, aiva hwakasimba gutta-percha chinoumba, akaita chimurenga chaiyo iri mutambo.

Izvi zvinhu zvakaramba zvikuru maindasitiri chigadzirwa muzana remakore rechimakumi maviri, asi akazova zvishoma nezvishoma yakatsiva yokuisvonaka chakaita zvokugadzirwa zvinhu. Pasinei kwayo kare, kuti gutta percha richiri kushandiswa nanhasi. Modern vanachiremba vemazino kuramba kurishandisa kuti akazadza midzi migero.

"Gutta-percha": ukoshi

Chii pfungwa ichi? Saka, chaizvoizvo guttaperchivye - chakagadzirwa gutta-percha (dzinongoitika rabha). Mupfungwa yokufananidzira, shoko iri awana kukosha chokuita mukana wokushandiswa uye elasticity. Maererano tsanangudzo vanhu vakatanga kushandiswa, uye rava zita mhuri anyora D. V. Grigorovichem nyaya yake akasuruvara "gutta-percha mukomana".

Uyu inosuruvarisa mukomana, sekasi, pamusoro zvinonzi haana mapfupa, saka aida kuchinja uye zvatinogadzira hazvigoni kunyatsotevedzera zvinoita akanga. Kubva zvino, vanhu vanonzi gutta-percha - nokuda vatambi vane Stretch yakanaka. It kunokwanisika nokurovedza refu. Gutta-percha mukadzi - nemunhu anorovedza, kugona kumuka wenyu muviri incredible zvinhu.

gutta-percha gait

Gutta-percha Zvinorevei? Shoko iri riri ikozvino zvikuru mufashoni uye vechidiki akariposhera zvinoreva kuchinja, akanaka, ichiyevedza. Kana tikayeuka mashoko orwiyo muimbi Bianca - "Gutaperchevoy gait isu kuenda" Iarfor "(usiku tsvimbo) ...".

Pano tine haurangariri kwazvo kwakavharwa nenyama uye kusanduka somunhu munyoro, Kuzungunuka uye ichiyevedza. dzimwe nguva unogona kunzwa nezvomunhu kuti iye kana iye ari guttaperchivaya. Izvi zvingareva kuti aida kuchinja uye seksikäs. Pasinei chokwadi kuti kare okuti iri chokuita rabha uye gymnasts, zvino uyewo kwakafanana zvepabonde.

incredible mukana wokushandiswa

Gutta-percha - a zvinoshamisa kuchinja, mapurasitiki, vane mukana kufonyora kwakasiyana-siyana, uye pasina rusaruro kune pachavo utano hwavo. Izvi kakawanda kunogona kuonekwa sekasi. With nhamba ava gutta-percha vanhu, gymnasts uye acrobats pamwe wakawedzera muviri mukana wokushandiswa, hunoshamisa vateereri iine incredible plasticity.