Nke a pụrụ ịdabere na vasatail raw roba

Rubber na-mara ebe ọ bụ na oge nke na nchọpụta nke America site Columbus. Ndị India na-eji ụyọkọ Milky sap nke roba osisi Hevea mechie N'ala nke ụgbọ mmiri, na-eke efere, waterproof akpụkpọ ụkwụ, nakwa dị ka imewe nke bọọlụ. Ma na Europe maka a ogologo oge na taya na-adịghị ọtụtụ-eji (ruo XIX narị afọ). Na ihe niile n'ihi na raw roba karịrị oge nkụ ma na-ike. The mepụtara usoro laghachi roba mbụ Njirimara nakwa dị ka okpomọkụ stabilization kere ezigbo ọganihu ke imewe nke roba isiokwu.

Ka roba-ọkpọ apụghị inye ndị nwayọọ nwayọọ na-eto eto ina, oge na-aga, ọ mepụtara usoro inweta sịntetik roba, nke anyị na-ka na-eji taa. Na oge a na Nlụpụta raw roba na roba ogige. Na ya raw ụdị na-eji maka imewe nke iche iche na ngwaahịa, dị ka a na-achị - akara na ndozi nke ụgbọala na taya na ese foto na-ekpo ọkụ usoro (n'ịgwọ). Site mixtures enye a dịgasị iche iche nke ngwaahịa na-eji ihe fọrọ nke nta niile ndi. Ma onye na ndị ọzọ na ihe onwunwe bụ dị n'ụdị nke Ibé akwụkwọ ma ọ bụ na-aga n'ihu warara (web). Oge akara aka na ha nwere ike ịdị nnọọ iche - ike, nri, dielectric, mmanụ na-eguzogide, wdg

The ojiji nke raw roba maka idozi na taya

Ọkwọ ụgbọala na-ezute mgbe nke n'ibu mmebi nke taya (nakwa dị ka ese foto). N'ọnọdụ ka ukwuu, ahụ mebiri emebi taya nwere ike idozi. Nke a nwere ike mere ma na oyi na-ekpo ọkụ vulcanization. Oyi na-atụ a rụrụ iji a pụrụ iche mejupụtara (butyl activator oyi akwa), na na-ekpo ọkụ vulcanisation - crude roba.

The compound roba mmiri site oyi vulcanization na-rụrụ na-enweghị okpomọkụ omume. Nke a na usoro na-ewe ogologo oge na-achọ ịgbasochi ka ike na technology. Hot bụla. nwere ike rụrụ ke niile, tinyere na n'ọhia, na ọnọdụ. Nke a na-achọ naanị a raw roba na a vulcanizer. Ime nwere ike anyịnya, obere (na-agba ọsọ site na 220) na obere (ụgbọala na-agba ọsọ na a netwọk).

Olee otú iji raw roba n'oge vulcanization

Mbụ, mebiri emebi ebe a ga-juputara kpochara nke unyi, na-emeso sandpaper na degrease. Mgbe ahụ mkpa ka ị na-etinye na a kwachie bee si crude roba na enịm ke a vulcanizer. Iji gbochie adhesion n'etiti kwachie na kpo oku mmewere bụ a mpempe akwụkwọ Paving.

Crude roba anya dị ka a ụdị plastic ngwakọta, nke, mgbe vulcanization penetrates zuru ezu nnọọ n'ime ndị lesion na ntukwasi-obi embeds ya. Mgbe ewe iwe, ọ na-aghọ ike, ma na-anọgide na-agbanwe. The okpomọkụ na nke ime emee bụ banyere 140-160 Celsius ^C. N'elu na-eru nke a okpomọkụ (kpebisiri ike site a mgbanwe agba nke akwụkwọ) vulcanizer ná mgbagwoju. Ozugbo ngwaahịa na-kpamkpam mma, ọ dị njikere maka inwekwu were.

Ọ bụghị na-atụ aro Zere elu okpomọkụ n'elu 160 ^{° C,} dị ka nke a na-eduga ná desiccation nke roba na, dị ka a pụta - ọnwụ nke elasticity.