Gutta-percha - shi .. ma'anar kalmar "gutta-percha"

A abu kamar gutta percha tana nufin wani iri-iri na da wuya halitta latex samu daga sap itatuwa irin Palaquium, Isonandra da Dichopsis. Maganar kanta zo daga sunan shuka a Malay harshe - "geyha-Persian", wanda fassara a matsayin 'latex safar hannu. " Gutta-percha - shi ne abin da? Wannan siffa da ake amfani da biyu a zahiri da kuma a alamance.

Daga mai kimiyya ra'ayi

Mene ne ma'anar kalmar "gutta-percha"? Daga mai kimiyya ra'ayi, wannan abu da aka classified a 1843 da kuma kira da amfani halitta thermoplastics. A cikin rabi na biyu na karni XIX, gutta-percha amfani da dama na cikin gida da kuma masana'antu dalilai.

A musamman, wannan abu da aka bukata a matsayin insulating abu don karkashin ruwa gidan waya igiyoyi. Long kafin gutta-percha da aka gabatar a yammacin duniya, shi aka yi amfani da wani kasa sarrafa nau'i na Malaysia tarin tsiburai mazauni domin yin iyawa ga wukake, tafiya da sandunansu, kuma sauran dalilai.

A farko Turai don gane da wannan abu ya kasance John John ce cewa ya samu a cikin Far East a 1656. Ya kira shi "gandun daji Mather." Dr. William Montgomery, wani likita jami'in na Indiya sabis, ya gabatar da gutta-percha cikin m amfani a kasashen yamma. Ya farko gane m wannan abu a magani, da kuma a 1843 ya aka bayar da mindar zinariya ta na Royal Society of Arts a London.

gutta-percha itãciya

A Malaysia, wata itãciya da aka sani da "Taban", da kuma mutanen da a can sun ga al'ada amfani da ƙẽƙashe ruwan 'ya'yan itace ( "khans") ga yi abubuwa kamar wanda ya canja iyawa ga kayan aiki da wukake. Wannan halitta latex, wanda kuma ake kira gutta-percha, shi ne mai matukar muhimmanci da samfurin.

Palaquium gutta bishiyoyi tsawo 5-30 m, kuma yawanci a diamita 1.5 m. Evergreen ganye, interleaved ko shirya a karkace, mai sauki, daya-yanki, kamar 8-25 cm kowane a tsawon. Su ne m kore sama kuma sau da yawa rawaya ko glaucous kasa.

Flowers bayyana a kananan gungu tare da mai tushe, kowane flower yana da wani farin corolla tare da hudu-iyali (kullum shida) tare da kaifi ruwan wukake. A 'ya'yan itace ne mai Berry ovoid 3-7 cm a diamita, dauke da daga daya zuwa hudu tsaba. A da yawa jinsunan, shi ne edible.

A Australia, da gutta percha - mai kowa sunan, musamman amfani ga itace Excoecaria parvifolia, wanda ya ba da wani aromatic, wani nauyi duhu Brown itace. Yana kuma ake kira "arewacin Birch." Wannan musamman jinsunan ba a hade tare da 'yan qasar Palaquium.

Daga cikin sinadaran ra'ayi

Gutta-percha Abin da ake nufi? A mafi gaskiyan ji shi - Ya sanya daga gutta-percha. Abin da irin meteriall daga sinadaran ra'ayi? Da tsarin ne a latex ko elastomer polymer daga isoprene ko polyisoprene. Duk da yake latex rubbers ne amorphous a kwayoyin tsarin, guttapercha (transstruktura) daskarar, wadda take kaiwa zuwa wani stiffer daidaito. Gutta-percha - shi ne isoprene polymer wanda shi ne m lokacin da mai tsanani, kuma za a iya shafi cikin daban-daban siffofi wanda suke daidai cikakken.

Amfani a cikin Ilimin hakora

A wannan bioinertsiya cewa sanya gutta percha dace da marine igiyoyi, ma dace da kiwon lafiya da dalilai, wato a Dentistry. Wannan abu da ake amfani a da yawa m na'urorin da kuma tushen far (obturation ko ciko komai sarari ciki da hakori tushen bayan shi ya halartar endodontic far). Its jiki da kuma sinadaran Properties, ciki har da inertness da biocompatibility, narkewa batu, ductility da malleability, yin shi muhimmanci a cikin endodontics.

tarihi amfani

Kamar yadda ilimin inert da kuma barga, irin wannan latex ne mai kyau lantarki insulator da wani babban dielectric akai. A itace na da yawa jinsin su ne ma m. Yammacin duniya Properties na gutta-percha aka gani kawai a 1842, ko da yake gida Malayan aborigines amfani da shi domin ƙarni. Idan ka bari ruwa (ruwan) ya ƙafe, kuma coagulate a rana, shi dai da wuya latex, wanda za a iya sake zama m idan shi ne mai tsanani, amma ba gaggautsa, sabanin roba, samu kafin gano vulcanization.

By 1845, da UK samar da gidan waya wayoyi, makaran da gutta-percha. Latex aiki a matsayin wani insulating abu ga farkon submarine gidan waya igiyoyi, ciki har da na farko transatlantic gidan waya na USB. Gutta-percha ya dace musamman ga wannan, tun da shi ba a kai hari da marine shuke-shuke ko dabbobi da cewa tashe-tashen baya submarine igiyoyi.

A kayan da aka manyan bangaren Chatterton fili amfani da wani insulating sealant ga gidan waya da kuma sauran lantarki igiyoyi. Tun 1930 Goda polyethylene displaces gutta-percha matsayin lantarki insulator.

A tsakiyar XIX karni, gutta-percha aka kuma yi amfani ga yi na furniture, musamman, kamfanin "Gutta-perch", kafa a 1847. Lokacin da ya kona, da kayan za a iya shafi cikin furniture, ado kõ kuwa kãyan. Wasu daga cikin wadannan ado guda a Renaissance style aka nuna a babban baje koli a 1851 a Hyde Park a London.

zamani amfani

An kuma yi amfani da sarrafa makoki kayan ado, saboda shi ya duhu da zai iya sauƙi a iya kafa a cikin beads ko wasu siffofi. Bindiga riko da kafada gammaye aka kuma Ya sanya daga gutta-percha, wanda ya ba su karfin da karko. Golf ball guttie, wanda ya m gutta-percha core, sanya wani real juyin juya halin a wasan.

Wannan abu ya kasance a manyan masana'antu samfurin a cikin karni na ashirin, amma daga baya ya zama sannu-sannu ya maye gurbin kyau kwarai quality roba kayan. Duk da dogon tarihi, da gutta percha har yanzu ana amfani a yau. Modern Zahnärzte ci gaba da amfani da shi domin cika tushen canals.

"Gutta-percha": darajar

Menene wannan ra'ayi? Saboda haka, a zahiri guttaperchivye - An sanya na gutta-percha (na halitta roba). A wani zaurance, wannan kalma ta samu wani darajar dangantaka da sassauci da kuma elasticity. Game da definition mutane fara da za a yi amfani da,, kuma ya zama wani gidan sunan bayan rubutu D. V. Grigorovichem ya yi bakin ciki labarin "gutta-percha yaro".

Wannan shi ne mai ban tausayi labarin da wani yãro, circus, game da abin da aka ce cewa yana da wani kasũsuwa, ashe, don haka m, kuma agile ya kasance. Daga yanzu, mutane kira gutta-percha - shi ne domin 'yan wasa tare da mai kyau mike. Yana aka samu da dogon horo. Gutta-percha mace - a ɗan motsa jiki, iya tashi tare da jikinka m abubuwa.

gutta-percha Gait

Gutta-percha Abin da ake nufi? Wannan kalma ne yanzu quite gaye da kuma matasa irin harshe na dabam na nufin wani m, da kyau, m. Idan za mu tuna da kalmomin da song singer Bianca - "Gutaperchevoy Gait mu tafi a cikin" Iarfor "(dare kulob din) ...".

A nan muna da hankali a ba sosai na roba da kuma m kamar yadda mai taushi, swaying kuma m. Zaka iya, wani lokacin ji game da wani mutum da ya ko ta ne guttaperchivaya. Wannan na iya nufin wani m da sexy. Duk da cewa a baya da lokaci ake dangantawa da roba da kuma gymnasts, yanzu shi ne kuma synonymous tare da jima'i.

m sassauci

Gutta-percha - wani abin mamaki m, roba, da ciwon da damar tanƙwara a daban-daban kwatance, kuma ba tare da nuna bambanci ga nasu kiwon lafiya. Wannan sau da yawa za a gani a cikin circus. Tare da wadannan lambobi ne gutta-percha mutane, gymnasts da acrobats tare da ƙara jiki sassauci, mai ban mamaki masu sauraro tare da m plasticity.