Gutta-percha - waa .. Macnaha erayga "gutta-percha"

wax A sida gutta percha loola jeedaa noocyo kala duwan oo latex adag oo dabiici ah ka geedaha dheecaan nooc Palaquium, Isonandra iyo Dichopsis helay. Eraygii laftiisa ka magaca geedka afka Malay yimaado -. "geyha-Faarisi", kaas oo sidoo kale loo yaqaano gashi latex " Gutta-percha - waa maxay? sifo Tan waxaa labada isticmaalo macno ahaan iyo sida masaal.

Laga soo bilaabo barta cilmi of view

Waa maxay macnaha erayga "gutta-percha"? Laga soo bilaabo barta cilmi of view, wax this waxaa lagu tilmaamay in 1843 iyo gudbiyo thermoplastics dabiiciga ah oo waxtar leh. In qeybtii labaad ee qarnigii XIX ah, gutta-percha loo isticmaalo ujeedooyin kala duwan guryaha iyo warshadaha.

Gaar ahaan, wax this ayaa looga baahan yahay sidii wax an qalabada for fiilooyinka telegaraafka quuska. Long ka hor gutta-percha la soo bandhigay ee dunida reer galbeedka, waxa loo adeegsaday qaab a yar oo ka mid ah baaraandegi barbariyiintiina Malaysia Jasiiradaha samaynta gacanta waayo, mindiyo, tukubo iyo ujeedooyin kale.

marka hore Yurub in la ogaado wax this ahaa John John ayaa sheegay in uu helay Bariga Fog ee 1656. Waxa uu ku magacaabay "kaynta Mather." Dr. William Montgomery, sarkaal caafimaad ee adeegga Indian, soo bandhigay gutta-percha isticmaalo wax ku ool ah ee West ah. Isagu wuxuu aqoonsan kara ee wax this ee daawada, iyo in 1843, kii ayaa loo billada dahabka ee Society Royal ee Arts ee London.

geed gutta-percha

In Malaysia, geedka loo yaqaan "Taban", iyo dadkii halkaas ku dhaqan isticmaalo juice waa sii qallafiyey ( "Khan") ee soo saaridda ee alaabta sida gacanka doorsoon, waayo, qalabka iyo mindiyaha. latex dabiiciga ah Tani, sidoo kale loo yaqaan gutta-percha, waa wax soo saarka aad u qiimo badan.

geedaha gutta Palaquium koraan in height 5-30 m iyo sida caadiga ah ballaciisu yahay ee 1.5 m. Evergreen baxo, daraa ama qabanqaabiyaa muquuninta ah, fudud, hal xabbad, qiyaastii 8-25 cm kasta oo dherer ah. Waxay waa cagaar dhalaalaya kor ku xusan iyo inta badan huruud ah ama glaucous hoos.

Ubax muuqdaan in ay kooxahaasi yar weheliyaan laamo, ubax kasta waxay leedahay Corolla cad oo afar-qoyska (guud ahaan lix) leh dhererka caarada ka af badan. Oo midhaha waa berry ovoid 3-7 cm dhexroor, oo ka kooban hal ilaa afar abuurka. In noocyada badan, waa la cuni karo.

In Australia, percha gutta ah - magac caadi ah, si gaar ah loo isticmaalo qori Excoecaria parvifolia, taas oo ku siinayaa udgoon ah, qoryo culus baroon mugdi ah. Waxaa sidoo kale loo yaqaan "bjørk waqooyiga." noocyada Tani waxay si gaar ah aan la xidhiidha Palaquium hooyo.

Laga soo bilaabo barta kiimikada ee view

Gutta-percha Maxay ka dhigan tahay? In dareenka truest u - dhammeeyey gutta-percha. Waa maxay nooca meteriall ka kiimikada ee view ah? Its qaab-dhismeedka waa latex ama elastomer polymer ka isoprene ama polyisoprene. Iyadoo masaxado latex waa amorphous in qaab-dhismeedka kelli, guttapercha (transstruktura) cad, taas oo horseedaysa joogta ah hanashada. Gutta-percha - waa isoprene polymer oo jilicsan yahay marka kulul oo si fudud loo doorsoon karaa qaabab kala duwan kuwaas oo si hufan oo faahfaahsan.

Isticmaal ee Ilkaha

bioinertsiya la mid ah in lagu sameeyo percha gutta haboon fiilooyinka badda, sidoo kale ku haboon ujeedooyin caafimaad, kuwaas oo in ilkaha. Qalabkan waxaa loo isticmaalaa in hindisooyin badan qalliinka iyo daaweynta xidid (obturation ama buuxinta meel madhan gudaha xidid ilkaha ka dib markii uu maray therapy endodontic ah). Its guryaha jireed iyo kiimikada, oo ay ku jiraan inertness iyo biocompatibility, dhibic barafku, ductility iyo malleability, taas oo muhiim ah in endodontics.

isticmaalka taariikhiga ah

Sida bayoloji inert oo xasilloon, noocan ah latex waa insulator korontada wanaagsan la joogto dielectric sare. qoryihii noocyada badan ayaa sidoo kale u qiimo badan. guryaha dunida reer galbeedka ee gutta-percha lagu arkay oo keliya ee 1842., inkastoo aborigines Malayan maxaliga ah waxa uu u adeegsaday qarniyo. Haddii aad ha dareeraha (juice) si uumi iyo adkaanta ee qorraxda, waxaa soo baxday latex adag, taas oo mar kale noqon kartaa dabacsan haddii ay tahay kulul, laakiin ma ay debcaan, ka duwan caag, helay ka hor helitaanka vulcanization.

By 1845, UK ku soo saaray oo silig ka telegaraafka ah, dahaaran la gutta-percha. Cinjirka adeegay sidii wax an qalabada ee fiilooyinka telegaraafka gujis hore, oo ay ku jiraan cable telegaraafka transatlantic ugu horeysay. Gutta-percha ahaa gaar ahaan ku haboon for this, tan iyo markii aan la weeraray by dhirta badda ama xayawaanka in ay hareeyeen fiilooyinka gujis hore.

Qoraalkani wuxuu ku jiray xarunta a qayb weyn oo Chatterton loo isticmaalaa sida daweyn ah qalabada waayo, telegaraafka iyo fiilooyinka korontada kale. Tan iyo 1930 goda polyetylen barakiyeen gutta-percha sida insulator koronto.

In dhexe ee qarnigii XIX ah, gutta-percha waxaa sidoo kale loo isticmaalaa soo saaridda ee alaabta guriga, gaar ahaan, shirkadda "Gutta-Perch", aasaasay 1847. Marka kululeeyo, wax la doorsoon karaa alaabta guriga, isku qurxin, ama maacuunta. Qaar ka mid ah kuwaas oo gogo 'madaxtooyada ee style hormariyo tusay ee Exhibition Great ee 1851 ee Hyde Park ee London.

isticmaalka casri ah

Waxaa sidoo kale loo isticmaalaa soo saaridda ee dahabka baroor, maxaa yeelay waxa ay ahayd gudcur iyo si fudud loo sameeyay karo kuul ama qaababka kale. xajinta iyo garabka pads bastoolad ayaa sidoo kale ka samaysan gutta-percha, oo iyaga siiyey xoog iyo cimri dherer. Golf guttie kubada, kuwaas oo lahaa xudunta u ah gutta-percha adag, ka dhigay kacaan dhab ee ciyaarta.

Qalabkan waxaa ku hadhay wax soo saarka ugu weyn ee warshadaha ee qarnigii labaatanaad, laakiin markii dambe noqday mid si tartiib tartiib ah bedelay qalab dardaro tayo wanaagsan leh. In kasta oo ay taariikhda dheer, percha gutta ayaa weli maanta loo isticmaalo. ilkaha Modern sii si aad u isticmaasho buuxinta kanaalada xididka.

"Gutta-percha": Qiimaha

Waa maxay fikradda this? Sidaas daraaddeed, macno ahaan guttaperchivye - laga sameeyey oo gutta-percha (caag dabiiciga ah). In dareenka tusaale ah, eraygan ayaa helay qiimaha la xidhiidha ee dabacsanaanta iyo barti. Iyadoo la tixgelinayo in qeexidda dadka waxay bilaabeen inay in la isticmaalo, iyo waxa uu noqday magac ka dib qoraal D. V. Grigorovichem uu sheeko murugo "Wiil gutta-percha".

Tani waa sheeko naxdin leh oo ah wiil, meeshu, oo ku saabsan taas oo la sheegay in uu leeyahay lafo lahayn, si dabacsan oo waliba dhiifoon uu ahaa. Hadda waxa laga bilaabo, dadka loo yaqaan gutta-percha - waxaa loogu talagalay ciyaartoyda la stretch wanaagsan. Waxaa la gaaray by tababar dheer. naag Gutta-percha - tababare jimicsi ah, awoodi karo inuu qaato ilaa waxyaalaha jidhka cajiib ah aad.

gutta-percha wiiqmin

Gutta-percha Maxay ka dhigan tahay? erayga Tanu hadda waa arrin moodada iyo intuu wadhfiyey dhalinyarada ka dhigan tahay a dabacsan, qurux badan, quruxsan. Haddii aan dib ugu yeeran erayadii song ah oo gabayaa ahaa Bianca - "Gutaperchevoy wiiqmin aynu tagno" Iarfor "(night club) ...".

Halkan waxaan ku leeyihiin in maanka ma aad u badan laastikada iyo dabacsanaanta jilicsan ah, wada dhaqdhaqaaqayeen oo quruxsan. Waxaad mararka qaarkood maqli karo oo ku saabsan qof in uu isagu ama iyadu waa guttaperchivaya. Tani macnaheedu noqon kartaa dabacsan iyo sexy. In kasta oo xaqiiqda ah in ee la soo dhaafay muddo ah waxa uu la xidhiidhaa ka samaysan caag iyo gymnasts ah, hadda waxa ay sidoo kale u dhigmin galmada.

dabacsanaan cajiib ah

Gutta-percha - a la yaab dabacsan, caag ah, isagoo fursad in la leexiyo in jiho oo kala duwan, oo aan waxba loo dhimayn caafimaadkooda. Tani inta badan lagu arki karaa in meeshu ah. Iyada oo tirada kuwanu waa dadkii, gymnasts gutta-percha iyo acrobats la dabacsanaan jirka kordhay, dhageystayaasha cajiib ah ay plasticity cajiib ah.