Mmiri na-eguzogide mmiri eke cork ákwà nrapado cork akwa maka ụmụ nwanyị akpụkpọ ụkwụ na akpa

Osisi cork softwood (nke a na-akpọ cork oak ná mba ọzọ) siri ike ime mgbanwe na oke oyi na oke okpomọkụ. Ọ na-etolitekarị n'oké ọhịa ugwu n'ogo 400-2000 mita na mpaghara ihu igwe dị n'okpuru ebe okpomọkụ na oke okpomọkụ. N'ime ogo 32 ruo 35 nke ugwu ugwu, enwere ike ịchọta akụrụngwa cork n'ọtụtụ ebe ugwu na-ezute ọnọdụ ala na ihu igwe. Dịka ọmụmaatụ, Portugal, Spain, mpaghara ndịda France, yana ugwu Qinba na obodo m, ndịda ọdịda anyanwụ Henan, Algeria, wdg.
Portugal nọ n'ọkwa mbụ n'ụwa na mbupụ cork ma mara ya dị ka "Alaeze Cork" n'ihi ihu igwe Mediterranean pụrụ iche, nke dabara maka uto nke akụrụngwa cork. N'otu oge ahụ, Portugal bụ ndị mbụ n'ụwa na mmepe nke cork akụ, mbupụ nke akụrụngwa, na miri nhazi nke ngwaahịa. otu n'ime mba. Mmepụta softwood nke Algeria so n'ọkwa kachasị n'ụwa.
Ugwu Qinba dị na Shaanxi, obodo m, nwekwara ọgaranya n'ụba, na-aza ihe karịrị 50% nke akụ kọki nke obodo. Ya mere, a maara Shaanxi dị ka "Cork Capital" na ụlọ ọrụ ahụ. N'ịdabere na uru akụrụngwa a, nnukwu ndị na-emepụta ihe mkpuchi ụlọ na-elekwasị anya ebe a.
Cork bụ ọtụtụ sel ndị dị larịị ahaziri radially. Oghere sel na-enwekarị resin na ogige tannin, sel ndị ahụ na-ejupụtakwa na ikuku. Ya mere, okwuchi na-abụkarị acha, ìhè na nro, na-agbanwe, impermeable, ọ bụghị nke na-emetụta mmetụta nke kemịkal, na bụ ogbenye eduzi ọkụ eletrik, okpomọkụ na ụda. Ihe mejupụtara ya bụ mkpụrụ ndụ nwụrụ anwụ nwere akụkụ iri na anọ ahaziri radially site na ibe ya n'ụkpụrụ priism hexagonal. Dayameta cell a na-ahụkarị bụ micron 30 na ọkpụrụkpụ cell bụ 1 ruo 2 microns. Enwere ducts n'etiti sel. Oghere dị n'etiti mkpụrụ ndụ abụọ dị n'akụkụ bụ nke 5 n'ígwé, nke abụọ n'ime ha bụ fibrous, na-esote okpukpu abụọ dị n'okpuru, na akwa osisi dị n'etiti. Enwere ihe karịrị nde sel 50 kwa 1 cubic centimeters. .
njirimara
Ihe owuwu a na-eme ka akpụkpọ anụ okwuchi nwee ezigbo ngbanwe, akara, mkpuchi okpomọkụ, mkpuchi ụda, mkpuchi eletrik na nguzogide esemokwu. Tụkwasị na nke ahụ, ọ bụghị ihe na-egbu egbu, enweghị isi, obere na ike ndọda kpọmkwem, dị nro na-emetụ aka, ọ dịghịkwa mfe ịnweta ọkụ. Ọ ka nwere ndị mmadụ mere ngwaahịa bụ tụnyere. N'ihe gbasara akụrụngwa kemịkalụ, ngwakọta ester nke ọtụtụ hydroxy fatty acids na phenolic acid kpụrụ bụ ihe e ji mara ihe cork, nke akpọrọ suberin.
Ụdị ihe a na-eguzogide ọgwụ mgbochi corrosion na kemịkal. Ya mere, na mgbakwunye na ịbụ corrosive na ndọpụ nitric acid, lekwasị sulfuric acid, chlorine, ayodiin, wdg, ọ dịghị chemical mmetụta na mmiri, griiz, mmanụ ụgbọala, organic acids, salts, esters, wdg O nwere a dịgasị iche iche nke. ihe eji eme ihe, dị ka ihe nkwụsị karama, mkpuchi mkpuchi nke akụrụngwa refrigeration, lifebuoys, ogwe mkpuchi ụda, wdg.
Ngwaahịa
① Ngwaahịa okwuchi eke. Mgbe esichara, mee ka ọ dị nro na ihicha, a na-egbutu ya ozugbo, zọọ ya, tụgharịa na ụzọ ndị ọzọ iji mepụta ngwaahịa emechara dị ka plọg, pads, ọrụ aka, wdg.
② Ngwaahịa okwuchi esiri esi. A na-egwepịa ihe ndị fọdụrụ n'ime ngwaahịa cork sitere n'okike ma chịkọta ha n'ụdị, sie ya na oven na 260 ruo 316 Celsius maka awa 1 ruo 1.5, wee mee ka ọ dị jụụ n'ime brik cork maka mkpuchi okpomọkụ. Enwere ike ịrụ ya site na usoro kpo oku uzuoku dị ọkụ.
③ Ngwaahịa okwuchi simenti. A na-agwakọta ihe ndị dị mma Cork na ntụ ntụ na nrapado (dị ka resin, roba) ma tinye ya n'ime ngwaahịa cork cimented, dị ka ihe mkpuchi ala, mbadamba mkpuchi ụda, mbadamba ihe mkpuchi okpomọkụ, wdg, nke a na-ejikarị eme ihe na mbara igwe, ụgbọ mmiri, ígwè ọrụ. ihe owuwu, wdg.
④ Cork roba ngwaahịa. A na-eme ya ntụ ntụ ntụ ntụ dị ka akụrụngwa na ihe dị ka 70% roba ọdịnaya. Ọ nwere compressibility nke okwuchi na elasticity nke roba. A na-eji ya eme ihe dị ka ihe mkpuchi static dị elu dị ala na nke ọkara maka injin, wdg, enwere ike iji ya dị ka mgbochi seismic, mkpuchi ụda, ihe mgbagha, wdg.