Kedu ka ngwa nbipute thermal si arụ ọrụ?

A na-eji ndị na-ebi akwụkwọ thermal eme ihe n'ọtụtụ ebe, mana ọ bụghị onye ọ bụla maara ka ha si arụ ọrụ.Ngwakọta nkethermal ngwa nbiputena akwụkwọ ọkụ nwere ike dozie mkpa obibi akwụkwọ anyị kwa ụbọchị.Yabụ kedu ka ngwa nbipute thermal si arụ ọrụ?

N'ozuzu, a na-etinye ihe na-ekpo ọkụ nke semiconductor n'isi mbipụta nke ngwa nbipute thermal.Isi ebipụta ga-ekpo ọkụ mgbe ọ na-arụ ọrụ.Mgbe ịkpọtụrụ na thermal akwụkwọ, enwere ike ibipụta ụkpụrụ.A na-ekpuchi akwụkwọ ọkụ ọkụ na oyi akwa nke ihe nkiri transperent.Ndị na-ebi akwụkwọ thermalnwere nhọrọ.A na-ekpo ọkụ akwụkwọ ọkụ ahụ n'otu ebe, na site na ikpo ọkụ, a na-emepụta mmeghachi omume kemịkalụ na fim ahụ iji mepụta ihe oyiyi, ụkpụrụ ahụ yiri igwe fax.Ndị na-ekpo ọkụ na-eji ezi uche na-achịkwa ndị na-ebi akwụkwọ n'ụdị ntụpọ square ma ọ bụ ibe.Mgbe a na-anya ya, a na-emepụta eserese kwekọrọ na ihe ọkụ ọkụ na akwụkwọ okpomọkụ.

Akwụkwọ ọkụ ọkụ bụ ụdị pụrụ iche nke akwụkwọ a na-edozi edozi nke ọdịdị ya yiri akwụkwọ ọcha nkịtị.Elu nke akwụkwọ ọkụ na-adị ire ụtọ ma jiri akwụkwọ nkịtị mee ya dị ka isi akwụkwọ, na oyi akwa chromophoric na-ekpo ọkụ na-ekpo ọkụ na-ekpuchi n'elu akwụkwọ nkịtị.A na-akpọ ya leuco dye), nke na-adịghị ekewa site na microcapsules, na mmeghachi omume kemịkal dị na ọnọdụ "latent".Mgbe akwụkwọ thermal ahụ na-ezute isi mbipụta na-ekpo ọkụ, onye na-emepụta agba na leuco dye na ebe isi ebipụta na-emeghachi omume na-agbanwe agbanwe ma gbanwee agba iji mepụta ihe oyiyi na ederede.

Mgbe a na-etinye akwụkwọ ọkụ ọkụ na gburugburu ebe dị elu karịa 70 Celsius, mkpuchi okpomọkụ na-amalite ịgbanwe agba.Ihe kpatara ngbanwe ya na-amalitekwa site na ihe mejupụtara ya.Enwere isi ihe abụọ na-ekpo ọkụ na mkpuchi akwụkwọ okpomọkụ: otu bụ leuco dye ma ọ bụ leuco dye;nke ọzọ bụ agba agba.A na-akpọkwa ụdị akwụkwọ ọkụ a nke nwere akụkụ abụọ nke ụdị kemịkalụ ihe ndekọ ọkụ.

A na-ejikarị eme ihe dị ka ihe eji esiji leuco bụ: kristal violet lactone (CVL) nke sistemu trityl phthalide, sistemu fluoran, benzoylmethylene blue (BLMB) na-enweghị agba ma ọ bụ sistem spiropyran.A na-ejikarị eme ihe dị ka ihe na-emepụta agba bụ: para-hydroxybenzoic acid na esters ya (PHBB, PHB), salicylic acid, 2,4-dihydroxybenzoic acid ma ọ bụ aromatic sulfones na ihe ndị ọzọ.

Mgbe akwụkwọ ọkụ ahụ na-ekpo ọkụ, ihe na-esiji leuco na onye mmepụta na-emeghachi omume na-emepụta agba, yabụ mgbe a na-eji akwụkwọ ọkụ na-enweta akara na igwe fax ma ọ bụ bipụta ya ozugbo nathermal ngwa nbipute, eserese na ederede na-egosipụta.Ebe ọ bụ na e nwere ọtụtụ ụdị agba agba leuco, agba nke aka egosipụtara dị iche, gụnyere acha anụnụ anụnụ, odo odo, nwa na ihe ndị ọzọ.