- Azu na isi
Resin melamine formaldehyde gbanwere agbanwe, nke a makwaara dị ka resin melamine formaldehyde ma ọ bụ resin melamine, bụ ihe dị mkpa maka mgbanaka triazine. Ọ bụ ngwaahịa a na-emepụta site na mmeghachi omume nke melamine na formaldehyde, wee kpọọ nkụ ma kpụkọọ. Resin Melamine nwere ezigbo iguzogide mmiri, iguzogide ịka nká, iguzogide ire ọkụ, iguzogide okpomọkụ, iguzogide nchara kemịkalụ na ihe mkpuchi. Enwere ike iji ya na imepụta plastik a kpụrụ akpụ (ihe eji eme tebụl na ngwa eletriki kwa ụbọchị), bọọdụ arụrụ arụ (plywood, ala osisi laminated na bọọdụ plastik laminated) na ụfụfụ. E wezụga nke ahụ, a na-ejikwa resin melamine eme ihe dị ka mkpuchi, ihe nrapado osisi, ihe na-ejikọ agba, ihe na-emecha ákwà eriri, ihe na-eme ka mmiri dị mmiri akwụkwọ na ihe na-ebelata mmiri simenti, wdg.
- II. Ngwa
- Ngwa na ụlọ ọrụ akpụkpọ anụ
N'ime ụlọ ọrụ akpụkpọ anụ, a na-ejikarị resin melamine eme ihe dị ka tupu tanning, retanning na resin na-ejuputa, n'ime nke trihydroxymethyl melamine resin bụ amino resin a na-ejikarị eme ihe. Amino resins nwere usoro tanning yiri nke aldehyde tanning: prepolymer na-abanye n'ime akpụkpọ anụ, na ka uru pH na-ebelata, prepolymer na-abanye na ụmụ irighiri ihe dị n'ime akpụkpọ anụ ahụ. Mgbe ahụ, na-arụ ọrụ -NHCH 2 OH na molekul condenses na amino otu na collagen peptide yinye, na-eme a covalent cross-njikọ usoro maka tanning nzube. N'otu oge ahụ, resin amino nwere mmetụta njuputa. Site n'ule ule, a na-achọpụta na resin a nwere ma tanning na ndochi, na enwere ike jupụta n'etiti eriri akpụkpọ anụ nke collagen n'ọtụtụ buru ibu iji nweta mmetụta nke ime ka akpụkpọ anụ ahụ dị elu.
A na-eji melamine resin tanning eme ihe na retanning nke chrome tanned ìhè akpụkpọ anụ, nke nwere ike ime ka emechara akpụkpọ anụ na zuru ezu ọka, zuru ahụ ahụ na ọkpụkpụ, doro anya ndim, ezigbo ọcha mmetụta na ezi ìhè iguzogide. Ma ọ nwere ezigbo ndakọrịta na ndị ọrụ tanning ndị ọzọ. Ọ bụrụ na-eji na Nchikota akwukwo nri tanning gị n'ụlọnga, ọ nwere ike na-akwalite penetration na absorption nke akwukwo nri tanning gị n'ụlọnga na-amụba eyi iguzogide na ihu igwe iguzogide akpụkpọ anụ. Ọ bụrụ na eji ya na retanning nke suede, mmetụta nke ikpo dị mma.
- Ngwa na ụlọ ọrụ akwụkwọ
Ejiri ya dị ka ihe nkwalite mmiri mmiri, ụkpụrụ mgbochi mmiri na njirimara arụmọrụ n'ihi na melamine formaldehyde resin nwere hydroxymethyl, nwere ike ịmepụta usoro etherification n'etiti eriri eriri. Nke a cross-njikọ n'etiti dị iche iche ụmụ irighiri na-emepụta mmiri na-eguzogide, nke mere na akwụkwọ mpempe akwụkwọ na-enweta mmetụta nke mmiri ike, otú na akwụkwọ ụlọ ọrụ na-bụ-eji dị ka a mgbochi mmiri n'ụlọnga, mgbochi mmiri gị n'ụlọnga. Ejiri ya na ụlọ ọrụ na-emepụta akwụkwọ bụ isi atọ hydroxymethyl melamine, ma n'ihi nkwụsi ike ya, mmiri solubility na free formaldehyde adịghị mma ma nwee mmetụta na-adịghị mma na ịdị ọcha na ịdịte aka nke akwụkwọ ahụ, a na-ejikarị ya eme ihe ugbu a bụ resin gbanwere.
- A na-eji seramiiki na cement dispersant
Melamine formaldehyde resin sulfonate bụ ezigbo anionic surfactant, na-arụ ọrụ elu na ihe ndị ọzọ bara uru, nke a na-ejikarị n'ụlọ na mba ọzọ dị ka ceramik, ciment, ihe na-arụ ọrụ nke ọma ma ọ bụ onye na-ebelata mmiri. Usoro ya nke ime ihe bụ isi: ụdị mmiri na-ebelata mmiri nwere adsorption na dispersion na lubrication, n'ihi ya, iji obere mmiri mee ihe nwere ike ime ka nkwekọrịta nke ihe dị mma, ya mere iji nweta nzube nke mbelata mmiri. Ka mmiri na-agwakọta mmiri na-ebelata, a na-ebelata pores dị na ihe ahụ, na-eme ka ciment dịkwuo ụba ma na-abawanye ike, nke nwekwara ike ibelata ọnụ ọgụgụ nke ciment. N'ihi infiltration nke mmiri mbenata gị n'ụlọnga, ciment hydration ngwaahịa na-eto nwayọọ nwayọọ, sulfonated ihe ntupu Ọdịdị bụ ihe ok, nke bụ conducive na-abawanye na ogologo oge ike nke ihe.
- Ejiri ya dị ka nrapado osisi
N'ụlọ ọrụ osisi, a na-ejikarị resin melamine formaldehyde eme ihe dị ka ihe na-arapara. Ebe ọ bụ na ọ nwere nnukwu ọrụ kemịkalụ, n'ịbanye n'ime ngwaahịa osisi, ọsọ nke ime ka ihe sie ike na-adị ngwa ngwa. N'ọnọdụ na ọ dịghị mkpa ihe na-eme ka ihe sie ike ọzọ, enwere ike ime ka ọ sie ike n'ọkụ ma ọ bụ mee ka okpomọkụ ụlọ sie ike, si otú a na-emepụta mmetụta njikọ. N'ihi nkwụsi ike ya na okpomọkụ, iguzogide mmiri, na iguzogide kemịkalụ, a na-ejikarị ya eme ihe na bọọdụ arụrụ arụ, osisi, ihe owuwu, nkwakọ akwụkwọ, na ubi ndị ọzọ. Isi ihe dị na ngalaba a bụ otu esi emeri ihe mgbawa ahụ ma nweta resin melamine formaldehyde na-agbanwe agbanwe nke ọma, ihe ngwọta dị ugbu a bụ itinye polyvinyl alcohol. N'ihi na ọ nwere ike imeghachi omume na formaldehyde iji mepụta polyvinyl alcohol methanol, nke kesara n'otu aka na resin iji gbochie molekul resin MF na molekul triazole nso iji rụọ ọrụ siri ike, iji gbochie mgbawa.
- Ejiri ya dị ka onye na-ebi akwụkwọ na akwa akwa
N'ime ụlọ ọrụ akwa, melamine formaldehyde resin na ihe ndị na-emepụta ihe bụ ihe dị mkpa maka nkwadebe nke ibipụta ákwà na ịcha ihe na-emecha. Usoro ya na-eme bụ tumadi dị ka ihe ngbanwe elu na onye na-ejikọta ọnụ maka akwa akwa, si otú a na-eme ka arụmọrụ nke akwa owu na-eme ka ọ dịkwuo mma n'ihe gbasara mgbochi shrinkage, mgbochi nke wrinkle na nguzogide ịsacha. Otú ọ dị, n'ihi nkwụsi ike nke nchekwa na-adịghị mma, mmetụta nke ákwà ahụ na-enwe mmetụta siri ike ma dị mfe ịmịnye chlorine yellowing na adịghị ike ndị ọzọ, mgbanwe nke nchọpụta ya na-abawanye. Ojiji nke methanol etherification nke melamine resin ugbu a, na-agbakwunye cyclic vinylidene urea, borax na ndị ọzọ formaldehyde modifiers iji nweta ultra-low aldehyde elu kwụsie ike nke melamine formaldehyde resin finishing agent. A na-eji resin ahụ emezigharịrị maka poplin na-acha ọcha iji gbochie mbelata na imecha nhịahụ, ịcha edo na mmebi chlorine nwere ike imeziwanye, nguzogide ịsa ahụ dịkwa mma. A na-eji resin ahụ emezigharịrị mee ka ọ kwụsịlata na mgbochi ịhịa aka n'ahụ nke poplin na-acha ọcha.
Maka ozi ndị ọzọ gbasara SINOYQX modified melamine formaldehyde resin, biko kpọtụrụ anyị site na email: [email protected] , ma ọ bụ kpọọ anyị oku na: +86-28-8411-1861.
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