Onye na-emepụta ụfụfụ polyurethane
Onye na-emepụta ụfụfụ polyurethane bụ ngwaahịa nke njikọ cross nke teknụzụ aerosol na nkà na ụzụ polyurethane foam. E nwere ụdị abụọ nke spongy steeti na ụdị tube na ụdị egbe. Enwere ike kewaa ya ụzọ abụọ: ụdị anụ ahụ na ụdị kemịkal. Nke a dabere na ma mmepụta nke gas bụ usoro anụ ahụ (Volatilisation ma ọ bụ sublimation) ma ọ bụ usoro kemịkalụ (mbibi nke usoro kemịkal ma ọ bụ mmeghachi omume kemịkalụ ndị ọzọ)
Aha bekee
PU ụfụfụ
Nkà na ụzụ
Teknụzụ Aerosol na teknụzụ ụfụfụ polyurethane
Ụdị
Ụdị Tube na ụdị egbe
Okwu mmalite
Onye na-eme ụfụfụ polyurethane zuru aha otu ihe mejupụtara polyurethane foam sealant. Aha ndị ọzọ: onye na-afụ ụfụfụ, styrofoam, PU sealant. English PU FOAM bụ ngwaahịa sitere na ngwakọta nke teknụzụ aerosol na teknụzụ ụfụfụ polyurethane. Ọ bụ ngwaahịa polyurethane pụrụ iche nke ihe ndị dị ka polyurethane prepolymer, onye na-afụ ụfụ na ihe na-eme ka ọ na-ejupụta n'ime ikuku aerosol na-eguzogide nrụgide. Mgbe a na-agbanye ihe ahụ site na tank aerosol, ihe ụfụfụ dị ka polyurethane ga-eme ka ngwa ngwa gbasaa ma mee ka ọ sie ike ma meghachi omume na ikuku ma ọ bụ mmiri dị na mkpụrụ ahụ iji mepụta ụfụfụ. Ngwa ngwa ngwa. Ọ nwere uru nke ụfụfụ n'ihu, mgbasawanye dị elu, obere shrinkage, wdg. Na ụfụfụ ahụ nwere ike dị mma na nnukwu adhesion. Ọfụfụ a gwọrọ nwere mmetụta dị iche iche dị ka caulking, bonding, sealing, heat cover, sound absorption, etc.Ọ bụ ihe na-eme enyi na gburugburu ebe obibi, na-azọpụta ike ma dị mfe iji ihe ụlọ. Enwere ike iji ya mee ihe maka mkpuchi na nkwụnye, na-ejuputa oghere, na-edozi na njikọta, nchekwa ọkụ na mkpuchi ụda, ma dị mma karịsịa maka mkpuchi na mkpuchi mmiri n'etiti ígwè plastik ma ọ bụ aluminum alloy ọnụ ụzọ na windo na mgbidi.
Nkọwa arụmọrụ
N'ozuzu, oge ihicha elu dị ihe dị ka nkeji 10 (n'okpuru ụlọ okpomọkụ 20 Celsius) .Ngụkọta oge ọkọchị na-adịgasị iche na ọnọdụ okpomọkụ na iru mmiri. N'okpuru ọnọdụ nkịtị, ngụkọta oge ọkọchị n'oge okpomọkụ bụ ihe dị ka awa 4-6, ọ na-ewe awa 24 ma ọ bụ karịa iji kpoo na gburugburu efu na oyi. mere atụmatụ na ndụ ọrụ ya agaghị erughị afọ iri. Ọfụfụ a gwọrọ na-edobe ịdị mma na nrapanye na ọnọdụ okpomọkụ nke -10 ℃ ~ 80 ℃. Ọfụfụ a gwọrọ nwere ọrụ nke caulking, bonding, sealing, etc. Tụkwasị na nke ahụ, onye na-ekpo ọkụ polyurethane na-ekpuchi ọkụ nwere ike iru B na C ọkwa ọkụ ọkụ.
Mwepu
1. Polyurethane foam caulking agent, okpomọkụ dị elu, ọ ga-asọba, na nkwụsi ike adịghị mma. Ọ bụghị ihe kwụsiri ike dị ka ụfụfụ siri ike nke polyurethane.
2. Polyurethane foam sealant, ụfụfụ na-agba ọsọ na-adị ngwa ngwa, a pụghị ịrụ nnukwu ihe owuwu ebe, enweghị ike ịchịkwa larịị, na àgwà ụfụfụ adịghịkwa mma.
3. Polyurethane foam sealant, dị oke ọnụ
Ngwa
1. Ntinye ọnụ ụzọ na windo: Akara, idozi na njikọ n'etiti ọnụ ụzọ na windo na mgbidi.
2. Ụdị mgbasa ozi: Nlereanya, mmepụta tebụl ájá, mmezi osisi ngosi
3. Mkpuchi ụda: Na-ejuputa oghere dị na mma nke ụlọ okwu na ụlọ mgbasa ozi, nke nwere ike ịme ụda mkpuchi na nkwụsịtụ.
4. Ugbo: Nhazi ifuru, ịkọ ugbo na nhazi ala, ìhè ma mara mma
5. Nlekọta kwa ụbọchị: Ndozi oghere, oghere, taịlị mgbidi, taịlị ala, na ala.
6. Ngwongwo mmiri na-adịghị: Ndozi na nkwụnye nkwụnye na ọkpọkọ mmiri, ọwa mmiri, wdg.
7. Mbupu na mbupu: Ọ nwere ike kechie ngwa ahịa bara uru na nke na-emebi emebi, na-echekwa oge na ọsọ ọsọ, na-egbochi ujo na nrụgide nrụgide.
Ntuziaka
1. Tupu e wuo ya, a ga-ewepụ ntụpọ mmanụ na ájá na-ese n'elu ebe a na-ewu ihe, na obere mmiri kwesịrị ịgbasa n'elu ihe owuwu ahụ.
2. Tupu eji ya eme ihe, kpoo ihe mkpuchi polyurethane foaming maka ọ dịkarịa ala 60 sekọnd iji hụ na ọdịnaya nke tank ahụ bụ otu.
3. Ọ bụrụ na a na-eji ụdị egbe polyurethane foaming eme ihe, gbanwee tank ahụ n'akụkụ iji jikọọ eriri egbe ịgba, gbanye valvụ na-asọpụta, ma gbanwee usoro ahụ tupu ịgbasa ya. Ọ bụrụ na a na-eji ụdị tube polyurethane foaming eme ihe, gbanye eriri plastik na eriri valvụ ahụ, dozie ọkpọkọ plastik na oghere ahụ, ma pịa nozzle ka ịfesa.
4. Lezienụ anya na ọsọ njem mgbe ị na-efesa, na-abụkarị olu injection nwere ike ịbụ ọkara nke ndochi achọrọ. Jupụta oghere kwụ ọtọ site na ala ruo n'elu.
5. Mgbe ị na-ejuputa oghere dị ka ụlọ elu, ụfụfụ na-adịghị edozi nwere ike ịda n'ihi ike ndọda. A na-atụ aro ịnye nkwado kwesịrị ekwesị ozugbo emejuchara, wee wepụ nkwado ahụ mgbe a gwọchara ụfụfụ ahụ ma jikọta ya na mgbidi nke ọdịiche ahụ.
6. A ga-ewepụ ụfụfụ ahụ n'ime ihe dị ka nkeji 10, a pụkwara ịkpụ ya mgbe minit 60 gasịrị.
7. Jiri mma bechapụ ụfụfụ nke ukwuu, wee kpuchie elu ya na ngwa ngwa ciment, agba ma ọ bụ silica gel.
8. Tulee onye na-emepụta ụfụfụ dị ka teknụzụ chọrọ, gbakwunye oge 80 nke mmiri doro anya iji mee ka mmiri na-ekpo ọkụ; wee jiri igwe na-afụ ụfụfụ na-afụ ụfụfụ mmiri mmiri, wee gbakwunye ụfụfụ ahụ na slurry magnesite ciment agwakọta nke ọma dị ka ego a kara aka, kpalite nke ọma, ma mesịa ziga ụfụfụ magnesite slurry na igwe na-akpụ ma ọ bụ ebu maka ịkpụ.
Ihe owuwu ihe owuwu:
Okpomọkụ nkịtị nke polyurethane foaming agent tank bụ +5 ℃ + 40 ℃, kacha ojiji okpomọkụ +18 ℃ + 25℃. N'ihe banyere okpomọkụ dị ala, a na-atụ aro ka etinye ngwaahịa a na okpomọkụ nke + 25 + 30 ℃ maka nkeji 30 tupu iji ya mee ihe iji hụ na arụmọrụ ya kacha mma. Ụdị nkwụsị okpomọkụ nke ụfụfụ gwọrọ bụ -35 ℃～ + 80 ℃.
Onye na-emepụta ụfụfụ nke polyurethane bụ ụfụfụ na-edozi mmiri. Ekwesịrị ịfesa ya n'elu mmiri mmiri mgbe ejiri ya. Igwe iru mmiri dị elu, ngwa ngwa na-agwọ ọrịa. Enwere ike ihicha ụfụfụ na-adịghị edozi ya na onye na-ehicha ihe, ebe a ga-ewepụ ụfụfụ a na-agwọ ọrịa site na usoro nhazi (ịcha ma ọ bụ ịkpụ). Ọfụfụ a gwọrọ ga-atụgharị odo mgbe ọkụ ultraviolet gbasasịrị ya. A na-atụ aro iji ihe ndị ọzọ kpuchie elu ụfụfụ ahụ a gwọworo (mmadụ ciment, agba, wdg). Mgbe ijiri egbe ịgba, biko jiri onye na-ehicha ihe pụrụ iche sachaa ya ozugbo.
Mgbe ị na-edochi tankị ahụ, gbanye tank ọhụrụ ahụ nke ọma (na-ama jijiji ma ọ dịkarịa ala ugboro 20), wepụ tankị efu, ma dochie tank ọhụrụ ahụ ngwa ngwa iji gbochie ọdụ ụgbọ mmiri na-agba ọsọ iji sie ike.
Ihe na-achịkwa valvụ na-agba ọsọ na ihe na-eme ka egbe na-agbapụta nwere ike ịchịkwa nha nke ụfụfụ. Mgbe ịgba ọgwụ mgbochi ahụ kwụsịrị, mechie valvụ na-asọpụta ozugbo n'akụkụ elekere.
Akpachara anya maka nchekwa
Ọfụfụ na-adịghị edozi na-arapara n'ahụ akpụkpọ na uwe. Emetụla akpụkpọ ahụ gị na uwe gị aka mgbe ị na-eji ya. Polyurethane foaming agent tank nwere nrụgide nke 5-6kg / cm2 (25 ℃), na okpomọkụ ekwesịghị gafere 50 ℃ n'oge nchekwa na njem iji gbochie mgbawa nke tank.
Ekwesịrị ichebe tankị ndị na-eme ụfụfụ polyurethane pụọ na ìhè anyanwụ kpọmkwem ma amachibidoro ụmụaka. E kwesịghị ịwụsa tankị tọgbọrọ chakoo mgbe ejiri ya mee ihe, karịsịa nke ejiri obere polyurethane foaming tankị na-ejighi ya eme ihe. Amachibidoro ịgba ọkụ ma ọ bụ igbapu tankị efu.
Debe ọkụ na-emeghe ma ghara ịkpọtụrụ ihe ndị na-ere ọkụ na ihe mgbawa.
Ebe a na-arụ ihe owuwu kwesịrị inwe ikuku nke ọma, ndị na-arụ ụlọ kwesịrị iyi uwe ọrụ, uwe elu na enyo mgbe a na-ewu ụlọ, ha anaghịkwa aṅụ sịga.
Ọ bụrụ na ụfụfụ metụrụ anya, biko were mmiri sachaa tupu ị gaa ụlọ ọgwụ maka ọgwụgwọ; ọ bụrụ na ọ metụrụ akpụkpọ ahụ aka, were mmiri na ncha sachaa ya
Usoro ịfụfụ
1. Prepolymer usoro
Usoro ihe eji eme ụfụfụ tupu polymer bụ ime (ihe na-acha ọcha) na (ihe oji) n'ime pre-polymer mbụ, wee tinye mmiri, catalyst, surfactant, ihe mgbakwunye ndị ọzọ na pre-polymer, na mix n'okpuru nnukwu ọkụ ọkụ. Soak, mgbe a gwọchara ya, enwere ike gwọọ ya na okpomọkụ ụfọdụ
2. Usoro Semi-prepolymer
Usoro ụfụfụ nke usoro nke ọkara-prepolymer bụ ime ka akụkụ nke polyether polyol (ihe na-acha ọcha) na diisocyanate (ihe oji) n'ime prepolymer, wee jikọta akụkụ ọzọ nke polyether ma ọ bụ polyester polyol na diisocyanate, mmiri , Catalysts, surfactants. A na-agbakwunye ihe mgbakwunye ndị ọzọ, wdg ma gwakọta ya n'okpuru oke ọsọ ọsọ maka ịfụfụ.
3. Usoro ịfụfụ otu nzọụkwụ
Tinye polyether ma ọ bụ polyester polyol (ihe na-acha ọcha) na polyisocyanate (ihe na-acha oji), mmiri, onye na-emepụta ihe, surfactant, onye na-afụ ụfụ, ihe mgbakwunye ndị ọzọ na ihe ndị ọzọ dị n'otu nzọụkwụ, na mix n'okpuru nnukwu ọkụ ọkụ na-eme ka ọ bụrụ ụfụfụ.
Usoro ịfụfụ otu nzọụkwụ bụ usoro a na-ejikarị eme ihe. E nwekwara usoro ịfụfụ akwụkwọ ntuziaka, nke bụ ụzọ kachasị mfe. Mgbe a tụlechara ihe niile a na-emepụta nke ọma, a na-etinye ya n'ime akpa, mgbe ahụ, a na-agwakọta ihe ndị a n'otu n'otu ma gbanye ya n'ụdị ma ọ bụ oghere a chọrọ iji jupụta na ụfụfụ. Mara: Mgbe ị na-atụ, polyisocyanate (ihe ojii) ga-atụrịrị n'ikpeazụ.
A na-afụ ụfụfụ polyurethane siri ike na ọnụ ụlọ okpomọkụ, usoro ịkpụzi ahụ dịkwa mfe. Dị ka ogo nke nrụpụta ihe owuwu si dị, enwere ike kewaa ya na ụfụfụ akwụkwọ ntuziaka na ịfụfụ igwe. Dị ka nrụgide n'oge ụfụfụ, enwere ike kewaa ya n'ime ụfụfụ dị elu na obere ụfụfụ. Dị ka usoro ịkpụzi si dị, enwere ike kewaa ya na ịwụfu ụfụfụ na ịfụ ụfụfụ.
Iwu
Edepụtara onye na-emepụta ụfụfụ polyurethane site na Ministry of Construction dị ka ngwaahịa a ga-akwalite ma tinye n'ọrụ n'oge "Atụmatụ Afọ ise nke iri na otu".
Atụ anya ahịa
Ebe ọ bụ na a kwalitere ngwaahịa 2000 ma tinye ya na China, ahịa ahịa agbasawo ngwa ngwa. N'afọ 2009, oriri a na-eri kwa afọ nke ahịa ihe owuwu nke mba karịrị nde 80. Site na nkwalite nke ihe ndị a chọrọ n'iwu ụlọ na ịkwalite ụlọ na-echekwa ike, ngwaahịa ndị dị otú ahụ Ọnụ ọgụgụ glutathione ga-abawanye nwayọọ nwayọọ n'ọdịnihu.
N'ime ụlọ, a na-emezi usoro na teknụzụ mmepụta nke ụdị ngwaahịa a nke ọma, a na-ejikarị ihe ndị na-emepụta ụfụfụ na-enweghị fluorine bụ ndị na-adịghị emebi oyi akwa ozone, na ngwaahịa ndị nwere tupu ụfụfụ (1). Ewezuga na ụfọdụ ndị na-emepụta ihe ka na-eji akụkụ valvụ ebubata, a na-emepụta akụrụngwa ndị ọzọ na-akwado n'ime ụlọ.
Akwụkwọ ntuziaka
(1) Ihe a na-akpọ tupu ụfụfụ pụtara na 80% nke onye na-emepụta ihe na-emepụta ihe na-emepụta ihe na-eme ka ọ bụrụ ụfụfụ polyurethane ka agbachara, na ụfụfụ na-esote dị ntakịrị.
Nke a na-enye ndị ọrụ ohere ịghọta ike aka ha mgbe ha na-eji egbe ụfụfụ eme ihe, nke dị mfe ma dị mma ma ghara imefusị gluu. Mgbe a gbasasịrị ụfụfụ ahụ, gluu na-eji nwayọọ nwayọọ na-aba ụba karịa mgbe a gbapụrụ ya.
N'ụzọ dị otú a, ọ na-esiri ndị ọrụ ike ịghọta ike nke ịdọrọ mkpata n'aka ha, ọ dịkwa mfe imebi gluu, ma ọ dịkarịa ala 1/3 nke ihe mkpofu. Tụkwasị na nke ahụ, gluu na-agbasawanye na-adị mfe ịpịa ọnụ ụzọ na windo mgbe a gwọchara ya, dị ka gluu nkịtị na ụlọ ọrụ ahịa.
Oge nzipu: Mee-25-2021