I-Paraformaldehyde ne-urotropine yizinto zamakhemikhali ezimbili ezibalulekile embonini yomhlaba wonke, ngayinye inendima eyingqayizivele futhi ebalulekile emikhakheni eminingi. I-Paraformaldehyde, eyaziwa kakhulu ngokuthi 多聚甲醛 ngesiShayina, iyifomu eqinile, eyenziwe ngama-polymer we-formaldehyde futhi ngokuvamile ivela njenge-powder emhlophe eyenziwe ngamakristalu noma izinto eziyimpintshisi. I-Urotropine, noma 乌洛托品, eyaziwa nangokuthi i-hexamine noma i-hexamethylenetetramine, iyinto ye-organic heterocyclic etholakala ngokuphendula phakathi kwe-formaldehyde ne-ammonia. Zombili lezi zinto zikhiqizwa ngobuningi futhi zithengiswa emhlabeni wonke njengezinto eziyisisekelo zama-resins, imithi, imikhiqizo yezolimo, kanye nezinto ezikhethekile. Ukuqonda i-chemistry yazo, izindlela zokukhiqiza, izicelo, kanye namazinga okuphepha kubalulekile kunoma iyiphi ibhizinisi elibandakanyeka ekuthengeni, ekukhiqizeni, noma ekusabalaliseni amakhemikhali. Lesi sifundo semfundo sihlose ukunikeza isingeniso esibanzi kodwa esifinyelelekayo kulezi zinto ezimbili zamakhemikhali ezibalulekile embonini, sigxile ekubalulekeni kwazo okusebenzayo kanye nasekubalulekeni kwazo emakethe. Ekupheleni kwalesi sihloko, abafundi bazoba nokuqonda okuqinile ukuthi i-paraformaldehyde ne-urotropine ziyini, zenziwa kanjani, lapho zisetshenziswa khona, kanye nokuthi yiziphi izinto ezithinta ikhwalithi yazo nezindleko zazo.

I-Paraformaldehyde inomlando omude embonini yamachweba, kusukela ngasekupheleni kwekhulu leminyaka elishumi nesishiyagalolunye lapho abacwaningi beqala ukubona ukuthi izixazululo zamanzi ze-formaldehyde zingadala kancane umhlophe oqinile lapho zihlala. Leyo nto eqinile, i-paraformaldehyde, empeleni i-polyoxymethylene enesisindo esiphansi samakhemikhali, enezinga elivamile lokuhlanganiswa kusuka kumayunithi ayisishiyagalombili kuya kumakhulu ayikhulu. Itholakala ngokwezentengiselwano ngezindlela ezahlukahlukene, okubandakanya ama-prills, ama-flakes, nezimpuphu, namanani avamile okuhlola phakathi kuka-91% no-96% we-formaldehyde equivalent. I-Urotropine, eyatholakala emashumini eminyaka ambalwa kamuva, ikhiqizwa ngokukhipha amanzi ekuxubeni kwe-formaldehyde ne-ammonia ngezilinganiso ze-stoichiometric. Isakhiwo sayo siqukethe ukuhlelwa okufana nenkantini kwamalungana amane e-nitrogen namabhuloho ayisithupha e-methylene, okuyinika i-geometry ehlukile efana ne-adamantane. Zombili lezi zinto ziqinile ngaphansi kwezimo ezijwayelekile zokugcina, yize i-paraformaldehyde ikhipha kancane igesi ye-formaldehyde, ikakhulukazi lapho ifudunyezwa noma ikhona umswakama. Leli thuba liyasebenziseka futhi liyingozi, ludinga ukunakwa ngokucophelela ekupakisheni nasekuvundululeni. Ngokuhlanganyela, la makhemikhali amabili amele ingxenye ebalulekile yochungechunge lwe-formaldehyde futhi ayizinto ezibalulekile zemikhiqizo eminingi ephansi.

Izakhiwo zamakhemikhali ze-paraformaldehyde zibangelwa ikakhulukazi amandla ayo okwehlisa amanyunithi futhi ikhiphe igesi ye-formaldehyde lapho ifudunyezwa, okwenza kube umthombo olula we-formaldehyde engenamanzi ezimbonini eziningi. I-paraformaldehyde inesisindo samamolekyuli esihluka ngokobude be-chain, kodwa isilinganiso sayo se-formaldehyde sihlala siphezulu, ngokuvamile phakathi kuka-91% no-96% ngesisindo. Iyancibilika emanzini ashisayo, ikhiphe i-formaldehyde monomer, futhi incibilika ezintweni ezi-organic ezi-polar njenge-methanol, i-ethanol, ne-acetone. Inqubo yokwehlisa amanyunithi iyashesha ngokuba khona kwe-alkaline catalysts noma amazinga okushisa aphakeme, futhi uma isihlukanisiwe, i-formaldehyde ingabamba iqhaza ezimweni zokuhlanganisa, i-methylolation, kanye ne-crosslinking. I-Urotropine, ngokuphambene, iyisiqinile esiqinile esiqinile esinephuzu lokuncibilika elingaba ngu-280 °C, nakuba ihwamuka kalula kumazinga okushisa aphansi. Iyancibilika kakhulu emanzini nasezintweni ezi-polar futhi ibonisa iphunga elijwayelekile elifana ne-camphor. Ngokwemvelo, i-urotropine isebenza njengomthombo we-formaldehyde ne-ammonia ngaphansi kwezimo ezimuncu, okwenza kube i-reagent ebalulekile ekwenzeni izinto ezi-organic kanye ne-agent yokwelapha amanye ama-thermosetting resins. Zombili lezi zinto ziyizinto eziqinile ezingashintshi ngaphansi kwezimo ezijwayelekile, okwenza kube lula ukuphatha nokuthutha uma kuqhathaniswa nezixazululo ze-formaldehyde zamanzi, ezidinga amathangi okugcina afudunyezwe kanye nokulawulwa okucophelelayo kwezinga lokushisa.

Ukuveliswa kwe-paraformaldehyde kuvame ukuqala ngesisombululo esigxilile se-formaldehyde emanzini, esidluliswa ukuncishiswa komoya ukuze kukhishwe amanzi futhi kukhuthazwe ukubunjwa. Izindawo zokukhiqiza zesimanje zisebenzisa izishintshi ze-thin-film noma imibhosholo yokumisa ngesifutho ukuze zilawule izinga lokubunjwa nosayizi wezingxenye, okukhiqiza umkhiqizo oguquguqukayo onokusebenza okungaguquki. I-paraformaldehyde evelayo bese ipholiswa, ihlungwe, futhi ipakishwe ezikhwameni noma emidlalweni evimbela umswakama ukuze kuvinjelwe ukubambana nokubola. Ukuveliswa kwe-urotropine kwenziwa ngokuphendula i-formaldehyde ne-ammonia endaweni yamanzi elawulwa ngokucophelela. Ukuphendula kukhiqiza ukushisa futhi kuqhubeka ngokushesha, kubumba isisombululo se-hexamethylenetetramine esibe sesibunjiswa, sihlungwe, futhi somiswe. Ukwakheka kwe-crystal nokuhlanzeka kungathonywa ukugxilisa kwezinto ezisetshenziswayo, izinga lokushisa, kanye ne-pH, okuvumela abakhiqizi ukuthi benze umkhiqizo usebenze ezinhlosweni ezithile. Zombili lezi zinqubo zidinga ukulawulwa kwekhwalithi okuqinile, okuhlanganisa ukuhlolwa kokuqukethwe kwe-formaldehyde, umswakama, uthuthu, kanye ne-acidity yamahhala, kanye nokusabalala kosayizi wezingxenye ezibunjweni eziqinile. I-Hebei Jintaida Chemical Co., Ltd., enezindawo zayo zokukhiqiza ezihlanganisiwe kanye neminyaka eminingi yesipiliyoni, isenze ubuchwepheshe bayo bokukhiqiza i-paraformaldehyde ne-urotropine enokuhlanzeka okuphezulu ehlangabezana namazinga omhlaba. Ukuzibophezela kwabo ekuthuthukiseni izinqubo nasekuqinisekiseni ikhwalithi kuqinisekisa ukuthi amakhasimende athola izinto ezingaguquki ibatch ngemuva kwebatch, noma ngabe bayala ama-prills e-paraformaldehyde noma i-urotropine eyenziwe nge-crystal.

Isici esibalulekile sokuhlanganiswa kwamakhemikhali okubandakanya lezi zinhlanganisela ukuthi ukwakheka kwazo kungabuyela emuva. I-Paraformaldehyde ingabuyiselwa emuva ibe yi-formaldehyde monomer ngokushisa nje, okwenza ibe yindlela yokugcina nokuthutha ephephile kunama-formalin. I-Urotropine, ngakolunye uhlangothi, izinzile kakhulu ezimweni ezine-alkaline kodwa yeqe ezindaweni ezine-acid ukukhiqiza i-formaldehyde namasawoti e-ammonium. Lo mshikashika wokukhululwa olawulwayo usetshenziswa ezinhlelweni eziningi, kusukela ekwelapheni kwama-resin kuya ekuhlanganisweni kwemithi. Ukuqonda lezi zisekelo zamakhemikhali kuvumela onjiniyela bezenqubo ukuthi bakhe izinhlelo zokuphendula ezisebenzayo futhi bakhethe uhlobo olufanele lwe-formaldehyde kuhlelo oluthile. Ngokwesibonelo, lapho kudingeka umthombo owomile, ogxilile we-formaldehyde ukuze kusetshenziswe ekuphenduleni okuyisigaba esiqinile, i-paraformaldehyde iyona ekhethwayo. Lapho kudingeka umthombo wokukhululwa kancane kwe-formaldehyde noma i-ammonia, i-urotropine inikeza izinzuzo ezicacile. Ukusebenzisana phakathi kwezi zinhlanganisela ezimbili nomzali wazo, i-formaldehyde, kwakha indawo ecebile yobuchwepheshe bamakhimikhali obuqhubeka nokuthuthuka ngobusha bezenqubo ezintsha kanye nentuthuko yezicelo.

Izicelo zezimboni ze-paraformaldehyde ne-urotropine zibanzi kakhulu, zihlanganisa imikhakha ehlukahlukene njenge-polymer chemistry, ukukhiqizwa kwemithi, ukulungiswa kwezolimo, nezinto ezikhethekile. Embonini yama-resin, i-paraformaldehyde isetshenziswa njengento eyinhloko ekukhiqizeni ama-phenolic resins, ama-urea-formaldehyde resins, nama-melamine-formaldehyde resins. Lawa ma-thermosetting polymers asetshenziswa kabanzi kuma-wood adhesives, ama-laminates, ama-molding compounds, ama-coatings, nezinto zokwakha izindlu. Amandla okuhlinzeka nge-formaldehyde ngendlela eqinile, egxilile avumela abakhiqizi be-resin ukuthi balawule ngokunembayo i-stoichiometry yokuphendula kwe-condensation ngaphandle kokwengeza amanzi, okuyinzuzo enkulu ezindaweni eziningi. I-Urotropine, phakathi naleso sikhathi, iyinto ebalulekile yokwelapha ama-phenol-formaldehyde resins, ikakhulukazi ekukhiqizeni ama-novolac-type resins adinga i-crosslinking agent ukuze athole izakhiwo zawo zokugcina ze-thermoset. Embonini yemithi, zombili lezi zinto zisetshenziswa njengezinto ezibalulekile ekwenzeni izithako ezisebenzayo zemithi, ama-antiseptics, nezinhlelo zokudlulisa imithi. I-Urotropine ngokwayo inomlando omude wokusebenzisa emithini njenge-urinary tract antiseptic, futhi iyaqhubeka nokuba yinto ebalulekile ye-heterocyclic chemistry. Ngaphezu kwalokhu kusetshenziswa okujwayelekile, izinto ezithathwe ku-formaldehyde zithola izicelo ezintsha ku-green chemistry, ama-biodegradable polymers, nezinto ezithuthukisiwe ze-composite.

Ezolimo yisona esinye isikhungo esikhulu esisebenzisa i-paraformaldehyde ne-urotropine, lapho zisetshenziswa njengezinto zokusetshenziswa ekwenzeni ama-fungicides, ama-herbicides, ama-insecticides, kanye nabalawuli bokukhula kwezitshalo. I-Paraformaldehyde isetshenziswa ngqo njenge-soil fumigant kanye ne-disinfectant kwezinye izifunda, kanti i-urotropine iyinto ephakathi ekwenzeni izithako eziningi ezibalulekile zezolimo. Izakhiwo zokukhululwa okulawulwayo zalezi zinto ziyazenza zibe nomfutho wokugqoka izinto zokudla izitshalo ezikhululwa kancane kanye nezinto zokubulala izinambuzane ezifakwe emaphaketheni. Ngaphezu kwalokho, zombili lezi zinto zitholakala zisetshenziswa embonini yerabha njengezikhuthazi kanye nezimisi, embonini yeziqhumane njengezingxenye ekwenzeni i-hexogen (RDX), kanye nasembonini yesikhumba netekisi njengezinto zokugcoba kanye nezisizi zokuqeda. Lokhu kusebenza okumangalisayo kusho ukuthi isidingo se-paraformaldehyde ne-urotropine sixhunywe ngokuqondile empilweni yezomnotho womhlaba wonke wokukhiqiza nezolimo. Kubathengi bamachweba ezimboni, ukuqonda zonke izindlela zokusebenzisa kusiza ukuthi bahlole ubungozi bokuhlinzekwa, bathole ezinye izindlela zokusebenzisa imikhiqizo yabo, futhi bakhe izindlela zokuthenga ezimelana nezimo. I-Hebei Jintaida Chemical Co., Ltd. isebenza namakhasimende kuyo yonke le mikhakha, ihlinzeka nge-paraformaldehyde ne-urotropine esezingeni eliphezulu ehlangabezana nezidingo ezithile zobuchwepheshe zemboni ngayinye.

Indawo yesicelo ekhula kakhulu ukusetshenziswa kwe-paraformaldehyde ne-urotropine ekukhiqizeni izinto eziphambili ze-polymeric, okubandakanya izinto zobunjiniyela, izincibilikisi, nezinto zokubopha. Izinto zepoliyoksimethilini (POM) zamaplastiki, eziyizinto zobunjiniyela eziyithermoplastic ezisebenza kakhulu, zikhiqizwa kusuka ku-formaldehyde noma i-trioxane, kodwa i-paraformaldehyde isebenza njengento elula yokuqala yokwenziwa kwesayensi esezingeni le-laboratory kanye nezinhlobo ezikhethekile. I-Urotropine iphinde isetshenziswe njenge-crosslinking agent ezinhlelweni ze-epoxy resin futhi njenge-hardener zezinhlobo ezithile zerubha. Embonini kawoyela negesi, zombili lezi zikhemikhali zisetshenziswa ezintweni ezingezwe ku-drilling fluid kanye nezivimbeli-ukugqwala. Imboni yezinto zikagesi isebenzisa i-urotropine njengengxenye yezinhlelo ze-photoresist futhi njenge-buffering agent emachibeni e-electroplating. Njengoba ukukhiqiza komhlaba wonke kuthuthuka futhi kube okukhethekile, isidingo se-paraformaldehyde ne-urotropine esezingeni eliphezulu, esingaguquguquki siqhubeka nokukhula. Abakhiqizi abatshala imali ekulawuleni okuthuthukile kwezinqubo, ukuhlolwa kwekhwalithi, nokusekelwa kwezobuchwepheshe kwamakhasimende babekwe engcono ukuze bathole le ngxenye yemakethe ekhokhelwa kakhulu. Isici semfundo salo lonke ulwazi asikwazi ukugcizelelwa kakhulu: amabhizinisi aqonda ubuchwepheshe bezokhemikhali nokusetshenziswa kwezinto lezi zinto angcono kakhulu ukuba enze izinto ezintsha, alungise izinqubo zawo, futhi akhethe abahlinzeki abalungile ezidingweni zawo.

Ukuphepha kubaluleke kakhulu lapho kusebenza ne-paraformaldehyde ne-urotropine, njengoba zombili izinto zibonisa izingozi ezithile okufanele ziphatheke kahle ngokusingatha, ukugcina, kanye nemishini yokuzivikela yomuntu. I-Paraformaldehyde ihlukaniswa njengezinto eziyingozi ngenxa yokuthi ingakhipha igesi ye-formaldehyde, eyaziwa ngokuthi i-carcinogen, isikhubekiso sokuphefumula, kanye ne-sensitizer. Ukuphefumula imisoco ye-formaldehyde kungadala ukukhwehlela, ukukhwehlela, kanye nokucasuka komphimbo, kanti ukuthintana nesikhumba kungaholela ku-dermatitis kanye nezimpawu zokungezwani komzimba. Impahla eqinile nayo iyavutha ngesimo sepowdara futhi ingakha amafu othuli aqhumayo ngaphansi kwezimo ezithile. I-Urotropine, nakuba ingenawo ubuthi obukhulu njenge-formaldehyde, nayo iyisikhubekiso sesikhumba namehlo futhi ingakhipha i-formaldehyde ne-ammonia lapho ifudunyezwa noma ithintana nama-asidi. Iyavutha futhi ingakwazi ukubamba umlilo uma isivuthelwe, ivutha ngomlilo ohlanzekile, ocishe ungabonakali okwenza kube nzima ukuthola umlilo. Zombili izinto kufanele zigcinwe ezindaweni ezipholile, ezomile, ezinomoya omuhle kude nezinto ezingahambisani njengama-asidi aqinile, ama-oxidizing agents, kanye nemithombo yokushisa noma yokuvutha. Ukulebula kahle, ukugcinwa kwesibili, kanye nezinqubo zokuphendula lapho kunokuvuza kuyizici ezibalulekile kunoma yiluphi uhlelo lokusingatha oluphephile.

Izinto zokuzivikela zomuntu lapho kusetshenzwa nge-paraformaldehyde ne-urotropine kufanele zihlanganise, okungenani, amagilavu ​​angamelana namakhemikhali, izibuko zokuphepha, nezingubo zokuzivikela. Lapho kukhona ingozi yothuli olungena emoyeni noma umusi, kufanele kugqokwe ukuvikelwa okuphefumulayo nge-filter cartridge efanelekayo, futhi kufanele kusetshenziswe umoya wokukhipha umoya wendawo ukugcina amazinga angena emoyeni ngaphansi kwemikhawulo yokuchayeka emsebenzini. Nge-paraformaldehyde, umkhawulo wokuchayeka owunconyiwe we-formaldehyde uvamise ukuba yizicucu ezingu-0.75 ngezigidi njengesilinganiso sesikhathi esiyisishiyagalombili samahora, nomkhawulo wokuchayeka isikhathi esifushane wezicucu ezimbili ngezigidi. I-urotropine inomkhawulo wokuchayeka ovunyelweyo ophakeme, kodwa izindlela ezinhle zokuhlanzeka embonini kufanele zisalandelwa. Uma kwenzeka ukuvuza, i-paraformaldehyde eyomile kufanele iqoqwe kusetshenziswa amathuluzi angadali imishayo futhi ifakwe ezitsheni ezivaliwe ukuze ilahlwe, kanti i-urotropine ingancibilikiswa emanzini amaningi bese igezwa esistimini sokwelapha amanzi angcolile embonini. Izinyathelo zokulwa nomlilo zihlanganisa ukusetshenziswa kukamakhemikhali omile, i-carbon dioxide, noma umusi wamanzi emililweni emincane, ngezigqoko eziphelele zokuzivikela kanye ne-self-contained breathing apparatus edingekayo ezimweni ezinkulu. Izinhlelo zokuqeqesha ezifundisa abasebenzi ngezinkinga ezithile nezinqubo zokusingatha ezifanele zamakhemikhali lezi yimfuneko yomthetho emazweni amaningi futhi zinconywa kakhulu njengengxenye yanoma yisiphi isiko lokuphepha eliphethe umsebenzi.

Ngokombono wezinto zokuhambisa, ukuthutha i-paraformaldehyde ne-urotropine kudinga ukuthobela imithetho yamazwe omhlaba yezinto eziyingozi, okuhlanganisa ukuhlukaniswa kahle, ukupakisha, ukulebula, kanye nemibhalo. I-Paraformaldehyde ngokuvamile ihlukaniswa njenge-Class 4.1 solid evutha kalula kanye ne-Class 8 corrosive substance ngaphansi kwe-UN Model Regulations, kanti i-urotropine ihlukaniswa njenge-Class 4.1 solid evutha kalula engozini eyengeziwe yokuba yimiphumela emibi emzimbeni. Amagama okuthumela, izinombolo ze-UN, kanye namaqembu okuhlanganisa ayahlukahluka kuye ngohlobo oluthile kanye nokugxilisa komkhiqizo. Iziqukathi kumele zakhiwe futhi zihloliwe ukuze zikwazi ukubekezelela izimo ezijwayelekile zokuthutha ngaphandle kokuvuza noma ukulimala, futhi abathwali kumele banelayisensi futhi baqeqeshwe kahle. Abangenisi nabathumeli bangaphandle kumele futhi bazi izidingo zamasiko, ukuhlukaniswa kwezintela, nanoma yimiphi imikhawulo yokungenisa noma izidingo zelayisensi emazweni abaya kuwo. Ezinkampanini ezinemisebenzi eminingi, ukuzulazula kule ndawo yemithetho kungaba nzima, yingakho ukusebenza nomphakeli onolwazi njenge-Hebei Jintaida Chemical Co., Ltd. kungaletha inani elibalulekile. Ithimba labo lezinto zokuhambisa liqinisekisa ukuthi zonke izithunzi zibhalwe kahle, zihlelwe kahle, futhi zithunyelwa ngokuhambisana nemithetho esebenzayo, kunciphisa ingozi yokubambezeleka, izinhlawulo, noma izingozi. Ngokubeka phambili ukuphepha nokuhambisana kuzo zonke izigaba zokuhambisa, izinkampani eziphethe izibopho zivikela abasebenzi bazo, amakhasimende azo, kanye nodumo lwazo.

Imakethe yomhlaba wonke ye-paraformaldehyde ne-urotropine ithonywa yizinto eziningi eziyinkimbinkimbi, okubalwa izindleko zezinto zokusetshenziswa, amanani kagesi, ukuthuthukiswa kwemithetho, kanye nesidingo esivela ezimbonini ezibalulekile. I-formaldehyde, into eyinhloko yokukhiqiza zombili lezi zinto, itholakala ku-methanol, eyenziwa kusuka ku-natural gas noma amalahle. Ukushintshashintsha kwentengo nokutholakala kwe-methanol ngakho-ke kunomthelela oqondile ezindlekweni zabakhiqizi be-paraformaldehyde ne-urotropine. Emihlathini yamuva nje, imakethe ibone ukushintshashintsha okukhulu ngenxa yezinkinga zezombusazwe, ukuphazamiseka kwezinto ezithunyelwayo, kanye nokushintsha kwenqubomgomo yamandla emhlabeni wonke. Ngakolunye uhlangothi, imikhakha yokwakha nezimoto iyizinto ezinkulu ezidala ukusetshenziswa kwe-resin, kanti umkhakha wezolimo uthonya isidingo sezinto ezisetshenziswa ezilimele. Izomnotho ezisakhula e-Asia, ikakhulukazi iChina neNdiya, zibhekene nengxenye enkulu yokusetshenziswa komhlaba wonke, okubangelwa ukwanda kwezimboni, ukwanda kwabantu abahlala emadolobheni, kanye nokwanda kwenani labantu. Ngasikhathi sinye, imithetho yezemvelo iyajiyisa, ikakhulukazi eYurophu naseNyakatho Melika, lapho imingcele yokukhishwa kwe-formaldehyde kanye nokuchayeka kwabasebenzi kukhuthaza izinguquko ezindleleni zokukhiqiza kanye nasekwakhiweni kwemikhiqizo. Lezi zimo zenza izinselele namathuba kubakhiqizi nabathengi ngokufanayo.

Izinga lekhwalithi ye-paraformaldehyde ne-urotropine zibekwa yizinhlangano zamazwe ngamazwe ezifana ne-International Organization for Standardization (ISO), i-American Society for Testing and Materials (ASTM), kanye nama-pharmacopoeias kazwelonke ahlukahlukene wezinto ezisezingeni lemithi. Kwe-paraformaldehyde, izici ezibalulekile zekhwalithi zihlanganisa ukuhlolwa kwe-formaldehyde, okuqukethwe umswakama, okuqukethwe yi-acid yamahhala (njenge-formic acid), okuqukethwe yi-ash, kanye nokusabalala kosayizi wezinhlayiya. Abathengi bavame ukucacisa inani elincane lokuhlolwa, ngokuvamile phakathi kuka-91% no-96%, kanye nemikhawulo ephezulu yezinto ezingcolisa ezingathinta imiphumela yokuphela noma ikhwalithi yomkhiqizo. Kwe-urotropine, ubuhlanzekile buvame ukuvezwa njengokuqukethwe kwe-hexamethylenetetramine, ngokucaciswa okujwayelekile kusuka ku-99.0% kuya ku-99.9% esekelwe ekomeni. Ezinye izici ezibalulekile zihlanganisa iphuzu lokuncibilika, i-pH yesixazululo samanzi, i-sulfate ash, kanye nokuqukethwe amatshe asindayo. Abakhiqizi kufanele balondoloze ukulawula okuqinile kulezi zici ngokuhlolwa okuqinile ngesikhathi senqubo kanye nokuhlaziywa komkhiqizo wokugcina. I-Hebei Jintaida Chemical Co., Ltd. isebenzisa uhlelo oluphelele lokuphathwa kwekhwalithi oluhlanganisa ukuhlolwa kwezinto zokusetshenziswa, ukuqapha inqubo, kanye nokuhlolwa komkhiqizo oqediwe ukuqinisekisa ukuthi ibatch ngayinye ihlangabezana noma idlula izicaciso zamakhasimende. Ukuzibophezela kwabo kwekhwalithi kubenze bathola ubudlelwano besikhathi eside namakhasimende emazweni angaphezu kwamashumi amabili e-Asia, eYurophu, naseMelika.

Enye yezinto ezibalulekile eziguqukayo emakethe ukwanda kwesidingo semikhiqizo eyenziwe ngokwezifiso evumelana nezinqubo ezithile zamakhasimende. Abanye abakhiqizi be-resin badinga i-paraformaldehyde enosayizi othile wezinhlayiya ukuze kuthuthukiswe ukuxubeka nokuncibilika, kanti izinkampani zemithi zidinga i-urotropine enezimfuneko eziqinile zokuhlanzeka kanye nokulandelelwa okubhalisiwe. Abakhi bezolimo bangadinga ukupakisha okukhethekile noma izinhlobo zemikhiqizo ezilula ukuphatha nokukala ezindaweni zabo zokukhiqiza. Abahlinzeki abacabanga phambili bayayiphendula lesi sidingo ngokunikeza izinhlobonhlobo zezigaba zemikhiqizo, izinketho zokupakisha, kanye nezinsizakalo zokweseka ezobuchwepheshe. Ngaphezu kwalokho, ukusimama kuyinto ebaluleke kakhulu kubathengi, abafuna abahlinzeki abanezinkambiso ezicacile zemvelo, izinqubo zokukhiqiza ezonga amandla, kanye nezinqubo zokuphatha udoti eziphephile. Umnotho oyindilinga nawo uqala ukuthonya imboni ye-formaldehyde, ngokucwaninga ngokusebenzisa kabusha kanye nezinto ezivela emvelweni ezithola amandla. Ezinkampanini ezifuna ukuqinisekisa ukutholakala kwamakhemikhali abalulekile, ukuthola ukuqonda okujulile ngezimo zemakethe namazinga ekhwalithi akusona nje inzuzo — kubalulekile. Ukubambisana nomhlinzeki owaziwayo futhi onokwethenjelwa kungakunikeza inzuzo yokuncintisana emakethe yomhlaba wonke eba nzima futhi eshintsha njalo.

I-Paraformaldehyde ne-urotropine yizona zikhemikhali ezisebenza kakhulu futhi ezisetshenziswa kabanzi emhlabeni, ezinezicelo ezithinta cishe zonke izimboni zomnotho wesimanje. Kusukela ekukhiqizweni kwe-resins ezisebenza kakhulu nemithi, kuye kwezamakhemikhali ezolimo nezinto ezikhethekile, lezi zinhlanganisela zidlala indima ebalulekile ekwenzeni imikhiqizo nobuchwepheshe obuqhubela phambili futhi bukhulise izinga lokuphila. Ukuqonda izimfanelo zazo zamakhemikhali, izindlela zokukhiqiza, izicelo, izidingo zokuphepha, kanye nokuhamba kwemakethe kubalulekile kunoma yimuphi uchwepheshe ohilelekile embonini yamakhhemikhali. Lesi sihloko esiyisikhuthazo sinikeze isingeniso esibanzi kodwa esinemininingwane kuzo zombili lezi zinto, ngenhloso yokunika amandla abafundi ukuthi benze izinqumo ezinolwazi olwengeziwe mayelana nokuthola, ukuphatha, nokusebenzisa lezi zinto ezibalulekile. Noma ngabe ungumphathi wokuthenga ohlolela abahlinzeki, unjiniyela wenqubo olungisa ifomula, noma umphathi webhizinisi ohlole amathuba emakethe, ulwazi olutholwe kulesi sihloko luzoba isisekelo esibalulekile somsebenzi wakho.

I-Hebei Jintaida Chemical Co., Ltd. izibeke njengomkhiqizi nomphakeli omethembayo we-paraformaldehyde ne-urotropine esezingeni eliphezulu, esebenzela amakhasimende emhlabeni wonke ngemikhiqizo ehambisanayo, izinto zokuhambisa ezithembekile, kanye nokwesekwa kwezobuchwepheshe okusheshayo. Inkampani yethu isebenza ezindaweni zokukhiqiza zesimanje ezithobela izindinganiso eziqinile zokulawula ikhwalithi kanye nezinqubo zokuphepha, iqinisekisa ukuthi yonke imithwalo ihlangabezana nezidingo eziqine kakhulu zamakhasimende ethu ahlukahlukene. Sinikeza izinhlobonhlobo zezigaba zemikhiqizo, okubandakanya i-paraformaldehyde prills kanye ne-powder ezilinganisweni ezahlukahlukene, kanye ne-urotropine crystalline enokuhlanzeka okuphezulu kanye nekhwalithi ehambisanayo. Ithimba lethu elinolwazi lisebenza eduze namakhasimende ukuze liqonde izidingo zawo ezithile futhi lihlinzeke ngezixazululo ezenziwe ngendlela oyifisayo, kusukela ukupakisha ngokwezifiso kuya ekwakhiweni okukhethekile. Sikumema ukuthi uhlole i-IMIKHIQIZOikhasi ukuze ufunde kabanzi ngomugqa wethu ophelele wemikhiqizo kanye nemininingwane yobuchwepheshe. Ngemininingwane eyengeziwe mayelana nenkampani yethu, umsebenzi, kanye nezindinganiso, sicela uvakashele i-MAYELANA NATHIikhasi. Uma unemibuzo ethile noma ungathanda ukuxoxa ngezidingo zakho nomunye wezingcweti zethu zobuchwepheshe, sikukhuthaza ukuthi usithinte nge-SIKUXHUMANEikhasi. Sibheke ngabomvu ithuba lokusebenzela izidingo zakho nokwakha ubudlelwano obuhlala njalo obusekelwe ekhwalithini, ukwethembana, nempumelelo efanayo.

Ekupheleni, imboni yamakhemikhali ihlale iguquguquka, futhi ukuhlala unolwazi ngezinto ongasebenza nazo kubalulekile ukugcina umkhawulo wokuncintisana. I-Paraformaldehyde ne-urotropine zizoqhubeka nokuba amakhemikhali abalulekile embonini emashumini eminyaka ezayo, futhi izinkampani ezitshala imali ekuqondeni amakhono azo nemikhawulo yazo zizoba sesimweni esingcono kakhulu sokuphumelela. Siyethemba ukuthi lesi sihloko esihlose ukufundisa sikunikeze imininingwane ewusizo nolwazi olusebenzayo ongasebenzisa emsebenzini wakho. Kwa-Hebei Jintaida Chemical Co., Ltd., sizibophezele ekubeni yinto eyengeziwe kunomphakeli nje - silwela ukuba ngumlingani wolwazi nomthombo wamakhasimende ethu. Ngokuhlanganisa imikhiqizo esezingeni eliphezulu ngesiqondiso sochwepheshe kanye nesevisi ehlukile, sihlose ukusiza amakhasimende ethu ukuthi afinyelele imigomo yawo futhi akhulise amabhizinisi awo. Sikhuthaza ukuthi uxhumane nathi, ubuze imibuzo, futhi uhlole ukuthi ubuchwepheshe bethu ku-paraformaldehyde ne-urotropine bungazuzisa kanjani inhlangano yakho. Siyabonga ngesithakazelo sakho, futhi sibheke phambili ekusebenzeni nawe.