Yize i-nylon inezakhiwo ezinhle kakhulu zemishini nezemishini, ithwalwa kakhulu ngokuya ngempahla yokuhlanza amakhemikhali, futhi inento yokuncibilika amaconsi ngesikhathi sokuvutha, esinezingozi ezinhle zokuphepha. Izakhiwo eziqonde mpo ze-nylon ezimsulwa zazingalinganiswa ne-V-0 ibanga le-UL-94, inani le-loi likhulu kune-24%. Ngakho-ke, ubuchwepheshe obusha be-flame retardant ye-nylon buye baba yisihloko esishisayo esivuse ukukhathazeka okuvamile kososayensi abaningi emhlabeni wonke.
Fig.1
Umdwebo Wezibalo: Iwebhusayithi Yesicelo Somphakathi we-Youbian
Eminyakeni yamuva nje, ngokuvikelwa kwezemvelo emhlabeni jikelele, ukuthuthukiswa okuluhlaza kanye ne-non-carbon halogenation izwi kuphakeme kakhulu, kuvinjelwe i-flame yemvelo yemvelo yelangabi futhi yamukelwa yiwo wonke umuntu. Ukuvikelwa kwezemvelo okuluhlaza okuvuthayo nge-flame retardant nge-flame retardant archardant actardance, okungelona iqiniso, intuthu yentuthu nemvelo ephansi manje sekuyindlela enkulu ekuthuthukisweni komkhakha omusha waseFlame Renard eChina. Umdwebo 2 ungumdwebo ohleliwe wenqubo yokuhlanganisa i-polymer.
Fig. 2 Umdwebo we-Schematic wenqubo yokuhlanza i-polymer
Fig. 3 I-PolyPhemechemical Halogen-Free Flame RetacArdant PA66, Izixhumi ze-PA6, i-Fasteners
Fig. 4 I-Flame retardant nylon yezimoto zikaSanyang kagesi
Ⅰ.Izinhlobo ze-Flame Retadants
Izithasiselo ze-Flame Retardant zingamalangabi ama-retadants angavimbela ukuwohloka kokuvutha kwezinto zokwakha futhi avimbele ukusakazwa okuphezulu kwelangabi lokuvutha.
Kuze kufike esimweni semakethe samanje eChina, imikhiqizo yezengezo ze-Flame Retacradant Retardant isemikhiqizo ephambili eyakha isakhiwo samanje se-Flame Retame Retardant Okwakha isakhiwo semakethe eChina. Yize ubuchwepheshe obungeziwe be-flame retardant detardant izinto i-polymer izinto zilula ngokuqhathaniswa nezindlela zendabuko, kungahlangabezana ngokuyisisekelo izidingo zenqubo ye-Flame Retame Retardant Retandarant Materials. Ngakho-ke, inani lezinhlobo ezintsha ze-Flame Retadadants ezikhiqizwayo futhi zenziwa ngaphezulu.
Kodwa-ke, kulula ukudala noma ukuthinta izakhiwo ezingokomzimba nezemishini kanye nezimpawu zokucubungula zezinto ezibonakalayo kanye nezinkinga ezikhethekile zokusatshalaliswa okulinganiselwe okufana nokusatshalaliswa okungafanele kokuhlakazeka kwezilinganiso zokuhlakazeka, amandla ahlukile wokuhambisana kanye nokusebenza kwe-interface akusondelene kakhulu nenani elifanele.
Izici ze-Reactive Flame retadadants ukuthi zingathola ngokushesha izinga lokushisa eliphansi, elihlala isikhathi eside futhi elihle nokuzinza kanye nomphumela we-flame retardant ku-polymer okushiwo ngenhla kwezingxube ezishiwo ngenhla kwama-polymer. Ngaphezu kwalokho, iziqu zobufakazi bezinto ezisebenzayo ziphansi, futhi umphumela wokuphendula okusebenzayo kokuphathwa kwezingxube ezisebenzayo, kepha inqubo yokukhiqiza iyinkimbinkimbi futhi ayilula ukuyisebenzisa.
Ngokwezinhlobo ezahlukene zezinto ezisetshenziswayo eziphambili ze-flame retardant, amalangabi ama-retaardants angaphinde ahlukaniswe ngochungechunge lwe-bromine element, chlorophorus uchungechunge, uchungechunge lwe-organiososphorus, uchungechunge lwe-orguosium kanye nochungechunge lwe-magnosium kanye nochungechunge lwensimbi kanye nensimbi ye-aluminium. Ngokusho kokuhlukaniswa kanye nezinga lokuthi into incishiswa yini ezintweni eziphilayo ezisebenzayo, into ejwayelekile ingahlukaniswa ibe yi-general organic flame retardant kanye ne-inorganic flame retardant ejwayelekile.
I-Fig.5
Umthombo Wezibalo: Iwebhusayithi Esemthethweni Yombusi
Eminyakeni emibili eyedlule, ukuphishekela intuthu ephephile futhi enobuthi, ephansi, ukukhiqizwa okumnyama okumnyama nokukhiqizwa okusebenzayo kwemikhiqizo emisha yaseFlame Retardant kuqale ukuthuthukisa ubuchwepheshe bezinkundla zensimu yezemvelo kanye nentuthuko yentuthuko enye yezindlela ezibaluleke kakhulu.
Ⅱ.Ukusebenza kweFlame Retardant e-Polyamide
1.I-inorganic flame retardant
I-inorganic flame retardant ikakhulukazi ibhekisela njengezengezo zemvelo nezemvelo zokuvikela ezemvelo, ukusetshenziswa kwezinto kuzoba zibanzi kakhulu. Njengamanje, i-MG (oh) 2, i-al (oh) 3 nezinye izinye izi-hydroxides iseluhlobo olusha lwe-Inorganic Flame Retame Retame izicelo eziphambili zezimboni eChina.
Ukuthatha i-MG (O) 2 njengesibonelo esijwayelekile, inemisebenzi yokuthuthuzeka, i-flame retardancy kanye nokucindezela kwentuthu. Izindlela zokuphendula ezisemqoka nezobuhle ze-oxidast zilinganiselwa ngokulandelayo: Ukusabela kwe-mosycophophous okuyi-endothermic kwe-oxidation eqinile ye-thermal kungabona umphumela wokuxhumeka kwe-thermal oqinile ongakuthola kudla okusheshayo kusuka ekupholiseni okusheshayo kwezinto zokushisa eziphakeme ze-polymer.
Ngasikhathi sinye, ngenxa yenani elikhulu lamanzi aphansi aphansi aphezulu akhishwe ngemuva kokuvela kokusabela, kungafinyelela futhi nokuqothuka kwengxenye yamagesi ahlanganayo, futhi kuvimbela ukuwohloka kwemikhiqizo okuphezulu. Ngasikhathi sinye, amazinga okushisa aphezulu e-onifractory arganic oxides abolile nge-oxidation futhi abe nomsebenzi ophakeme we-flame-retardant wezinto zokwenza amalangabi, okuzobhekana nezinguquko ezisheshayo zamakhemikhali ngesikhathi futhi kukhiqize isixazululo esishisayo se-polymer.
Ingaphezulu lalezi zinto zokushisa ezishisa ama-polymer zingafakwa ngokushesha ukwakha ungqimba olungezona zefilimu ezingezinhle, luzokwehlisa amandla okushisa okushisa okubangelwa ukulondolozwa okushisa kanye nokuvutha, ukuze ekugcineni kudlale indima yokulondolozwa kokushisa, ilangabi lokushisa kanye ne-adiabatic.
I-Fig.6 Inorganic flame retardant
Uhlobo lwe-Inorganic lwe-Inorganic Flame Retardant olungezwe kwizinto ezisetshenziswayo ze-polymer alwaziwa kakhulu njengamanje, futhi ngoba iningi le-organic polymer flame retacrant Izinto ezisetshenziswayo ze-polymerization nge-polymerization promorization nge-polymeritive polymerization ne-polymer ye-polymer phakathi kokubuyisana okugcwele futhi wasebenzisa kabanzi futhi ngempumelelo.
Izinhlobo ezijwayelekile ze-Inorganic Flame Retardant Izinto ezicishe zibe yi-phosphoric acid, i-boric acid, i-sodium phosphate p-ammonium chloride, i-sodium borax nokunye. Jin Xuefen et al. Ihlongoze ukuthi imikhiqizo emibili efana ne-nylon ne-nylon 66 yengezwe nge-hypophosphate ukuthuthukisa i-flame retardant. Ucwaningo lugxile kwizakhi ezintathu zeFerric Oxide (FE2O3) kanye nochungechunge lwezinto eziphelele ezithonya ukuthuthuka kwe-Flame Retardant Retandarant and Decpoposition izinto zohlelo lwe-Flame-Retardant kanye nemiphumela yazo.
Ngokuhlaziywa kwedatha yeCone Calorimeter, ukuhlaziywa kwedatha yokulahlekelwa kwesisindo se-pyrolysis kanye nokuhlaziywa kokuqhathanisa kwe-topography, i-Fe2o3 inomphumela we-flame osobala, ophumelelayo futhi ohlala njalo emthethweni we-flame we-hypophosphate kanye nohlelo lwe-PA66 oluthuthukisiwe, ukuthuthukisa ukusabela nokubumba. Ukuvinjwa okusebenzayo okusebenzayo nokuhlala okuqinile kwe-carbonised ye-carbonised velocity velocity yamandla e-molecule evuthayo noma elimazayo phakathi kwama-molecule okushisa alimazayo anciphisa ama-molecule okushisa alimazayo anciphisa ama-molecule avuthayo.
I-Fig.7 nylon flame retardant
Umdwebo Wemininingwane: Iwebhusayithi Esemthethweni Yezinto Ezintsha ZaseYinUan
Nge-epolit op 1312 ml flame retardant grpa66 (okuqukethwe kwengilazi eyi-30%), lapho inani le-flame retardant lingu-18%, i-aurandarant evulekile ye-ul94v-0, i-CTI ye-Flame retactrate, i-punt Inkomba ephansi kune- I-substrate, kepha ephakeme kakhulu kune-BPS ne-Rp Flame RetacArd.I-Tensile ne-Umthelela amandla ancishiswa cishe ngama-20% aqhathaniswa ne-don-flame retardant grpa66, kanye nombala wezinto ezibonakalayo we-flame futhi kungcono. Uma kuqhathaniswa ne-BPS ne-Rp flame retardant grpa66, njengokucatshangelwa okuphelele kokucutshungulwa, i-flame retardant, intuthu, imishini yokusebenza kagesi, i-flame retardant grpa66 nge-epolit OP 1312 M1 inezinzuzo ezisobala.
Ngokwanda kancane kancane kwengxenye ye-Halogen-Free Flame Retame Retame Retame Retardant Retame, amandla we-Flame Retardant yebanga eliqinisiwe lezinto eziqinisiwe ezifana ne-nylon 66 zizokhuphuka kakhulu, futhi isikhathi esisele selangabi sizoba mfushane kakhulu. Lapho isilinganiso sengezwa se-halogen-free flome retacrant singaba ngu-20% kuphela ngokwesilinganiso, ukusebenza kwe-flame-free flower Retame Retame Retame Recradant Okuqinisiwe, Ukusebenza kwe-Flame-0, kanye namandla wethonya elinomthelela ongemuva we-UL94 le-NET94
Levchik et al. Umsebenzi wembula ukuthi i-phosphorus ebomvu nezinhlobonhlobo zezithako ze-Flame Retacrant Retacrant e-Nylon 6 zinokukhuthaza amalangabi umphumela we-flame retardant kanye ne-flame retardant Properties.
I-LVCHICKSV ingeze izingxenye ezintathu ze-phosphorus ebomvu nengxenye ye-MG (oh) 2 nezinye izithasiselo ze-flame retardant ku-nylon, ngokulandelana. Okuqukethwe okuphelele kwezithako ezimbili ezibalwe ngo-20% ~ 50% wevolumu ephelele yezinto zokuphumula. Kungaqinisekisa ukuthi izinkomba zezobuchwepheshe eziphelele zokukhiqiza kanye nekhwalithi yemikhiqizo zingaba ngcono, kanye nebanga le-Flame Retardant Property of the Iveli ye-CTI yama-China akweqiwe noma ngaphansi kwe-polymer ekhiqizwa yi-400V yamanje yokuhlinzekwa kwamandla okungu-400V.
2. I-Organic Flame Retardant
2.1 I-Plame Retame Retame
Ku-phosphate ester flame retardant izinto, ngokuvamile ihlukaniswe ngezinto zokuqala eziqukethe izinto zama-phosphate ezingenayo ze-phosphate-ester kanye nezinto ezihlanganisiwe eziqukethe izakhi ze-phosphate ezinama-phosphate aster ngokusho ukuthi kuzobe zodwa noma ziqukethe inani elincane lamakhompiyutha e-inogogen.
Umkhiwane we-retandarants amalangabi we-phosphorous
Umdwebo Wezithombe: Iwebhusayithi Yezikole zeTiany
Imikhiqizo ye-non-halogen phosphate ester ayidingi ukuqukatha inani elincane lezinye izinto ze-halogen kuphela, futhi awekho kwamanye ama-arganic arganic metal halogen compound avuthayo endaweni yokuvutha nanoma yikuphi ukungcoliswa kwezentengiselwano kanye nezobuchwepheshe emkhakheni wezimbozo ze-fireproof ekhaya nakwamanye amazwe.
I-Triphonyl polyphosphate, i-isotriazole toluene sulfonate phosphate, i-phosphate ye-trityl kanye nezinye izinhlobo ezingezona ze-polyphosphate derivatives zinezinto zazo ezingaphezu kweshumi aphambili. Kodwa-ke, ngoba ziqukethe izingxenye eziningi, imikhiqizo yama-polyphosphate yama-halogen futhi inezinkinga eziningi zekhwalithi, njengokuqina okuphezulu kwe-solvent, ukushisa okuphansi kanye nokusebenza okuphansi kwe-molecular kokusebenza okuhle. Ngakho-ke, ukukhiqizwa kwayo okukhulu kanye nesicelo ku-polymer phosphate phosphate imikhiqizo ikhawulelwe kakhulu.
I-Triisopropyl Phosphate, eyakhiwa ngempumelelo yinkampani enkulu ye-Switland Federal ngo-1968, inezici zobuthi obuphansi, ukuhlakanipha okuphansi, ukungavikeleki kwemvelo, ukumelana okuphansi kokuqina kanye nokuphikiswa okuphansi kokucindezela kanye nokuphikiswa okuphansi kokuqhekeka. Inqubo yokulungiselela nezokukhiqiza yeTriisopropylbenzene Phosphate ilula, iziteshi ezibonakalayo ezingavuthiwe kanye nemithombo zibanzi, zisetshenziswa kabanzi ku-organic polymer, i-polymer yemvelo kanye nezinye izinkambu zemikhiqizo yezinto ezibonakalayo ilangabala.
Yang Minfen et al. Kukhombise ukuthi inkomba yokuqukethwe ye-oksigen yokugcina yenyuka ngokunyuka kwesilinganiso se-flame retadants. Lapho inani lokungezwa le-BIS (2-CarboxYETYL) Monohexamethyyamine phosphate lalingu-6% (ingxenyana enkulu), inani le-loi lingafinyelela ezingeni 27.8% ama-UL-9%. Ukuhlolwa kubonise ukuthi lapho isilinganiso sokungezwa se-BIS (2-CarboxYETYL) I-Monohexamethyamine phosphate yayiphakeme kune-2% (ingxenyana enkulukazi), i-Melt Dlomenon ye-Flame Retardant Nylon 66 yathuthukiswa kakhulu ukudlulisa i-V-0 ibanga le-UL-94.
Wang zhangyu et al. Zingeze ngokwazo nge-polymerization engu-66 ye-nylon monomer futhi ingaqala ukuhlanganisa noma i-screen melamine polyphosphate monomer (MPP) ye-polymerization. Imiphumela yokuhlola konke kukhombisile ukuthi lapho inani eliphelele le-MPP eliseMonomer lifinyelele ku-25% (inani eliphakeme kakhulu le-UL94 Ibanga V-0, kodwa amandla aphezulu okuvuselela ama-UL94, athola amandla aphezulu, amandla okuqina okubangela, i-Icqur Glueness Amandla angaba ngu-6.7KJ / M².
Uhlobo lwe-phosphorus luvutha amalangabi anezinzuzo ezihlukile ze-non-halogen, i-halogen ephansi, intuthu ephansi, ukuvikelwa kwezemvelo futhi azikho izinyathelo ezingezinhle kakhulu ze-polymer amalangabi, futhi kancane kancane abe yisiqondiso esisha socwaningo lwabantu.
2.2 Nitrogen Uhlobo Flame Retardant
Njengamanje, ama-nitrogen flame retaardants angasetshenziswa kabanzi futhi asetshenziswe kwizicelo zobunjiniyela eChina. Phakathi kwezinhlobo eziphambili ze-nitrogen flame retadadants, ama-melamine resins kanye nezinto zawo ezihambisanayo yizona eziphambili. Enye yezici zabo eziphawuleka ukuthi i-Flame Retardancy, ukubola kanye nokuqina kwe-coffection i-coefficient iphakeme, ayinangozi ngokuphelele, okungeyona ingozi futhi kushibhile.
Fig.9
Umthombo Wezibalo: Iwebhusayithi ye-Flame Retame Retardant Izinto ezisemthethweni
Indlela enkulu yohlobo lwe-oxidation ye-nitrogen-hlobo amalangabi retaardants afaka izindlela ezimbili ezinhlanu kuya kwezintathu zegesi kaphethiloli ukugxila lapho uthatha ukushisa ukuze upholile. I-Nitrogenous Flame Retacdants uhlelo lokusebenza olusha lwe-Flame Retardants ngenobuthi obuphansi, ukuguquguquka okumpofu nokuqina okukhulu.
Izinhlobo eziphambili ze-nitrogen flame retadadants ama-triazine cycloketone amakhompiyutha, ama-melamine atholwe, njll. I-Gijsma et al. Futhi wafunda ukuthi i-MCA ingezwe ku-polyamide inomthelela omkhulu ekusebenzeni kwe-polyamide. Umbiko Wokucwaninga ubonise ukuthi: Isengezo esivumelekile se-MCA ku-nylon asikwazi ukuxazulula inkinga kuphela ngempumelelo ye-Drip umlilo okubangelwa ukusebenza kwe-nylon okubangelwa umsebenzi we-nylon ojwayelekile, iBanga lokuhlangana lingafinyelela ngaphezulu kwama-31.0%.
Wang qi et al. Kungezwe uhlobo olusha lokuhlakazeka okuphezulu kwe-MCA polymer (FS-MCA) okulungiselelwe ubuchwepheshe bokuphathelene ne-Flame-Retacrant Nylon Plastic Reaction phakathi kwezendlacwe zezingcwecwe ze-poly fs-mc, i-unifomu, i-fluffy nesakhiwo esiyizinhlayiyana ngemuva kokuhlanganiswa. Ukusebenza kahle okuphezulu nokufana okuhle kwe-flame retardant molecule e-polymer pa66 resin kungatholakala, okuthuthukisa kahle i-flame retardant kanye nezakhiwo zemishini ze-MCA Flame Retardant PA66 System.
UDianluo walungiselela ngempumelelo i-MCA eguqulwe ngempumelelo enamandla aphansi anamandla namandla okugeleza ngenxa yokwelashwa okungaphezulu kwe-molecular isisindo nylon.
I-Fig.10 MCA FLAME-Retardant Nylon Masterbatch
Umdwebo Wemininingwane: I-PolyperChememical
Uma kuqhathaniswa ne-MCA yendabuko, i-MCA eguquliwe inezindawo ezikhethekile zangaphandle futhi kulula ukugeleza nokuhlakazeka ku-PA66 Resin. I-Retame Retame eguquliwe yengezwe kwi-PA66 Matrix ine-fluorix ephezulu, i-flame retardancy engcono kanye nezakhiwo ezithuthukisiwe zemishini. Ngakho-ke, i-MCA ethuthukisiwe ingakunqoba izinto ezimbi zendabuko ye-MCA. Inikeza ubuchwepheshe othembisayo, ngokusebenzisa le MCA eguquliwe ingalungiswa ukusebenza okuhle kakhulu kweFlame Retardant Retardant ethuthukisiwe ye-PA66.
2.3 phosphorus-nitrogen ukwandisa ilangabi retardant
Umgomo we-Flame Retandant ebanzi ubhekisa ekusetshenzisweni kwalezi zinto ezintathu ezihluke ngokuphelele zomzimba nezomakhemikhali zezinto ezisetshenziswayo ze-Flame Retardant Elements e-Flame Retactible Retardic Effect Fourction Fourction Excression kanye nokuhlangana. Izakhi eziphambili ziphinde ziphothulwa ngumthombo wekhabhoni, umthombo we-acid nomthombo womoya.
I-Fig.11 I-Flame Retame Retandarant
Umthombo Wezibalo: Iwebhusayithi Esemthethweni yeHongtaiji
Imithombo yekhabhoni, njengoba igama lisho, shisa iningi lekhabhoni eliqukethwe ekwakhiweni kwamangqamuzana. Izinto eziqukethe i-carbon ngokuvamile zingokwezinto ezivuthayo. Kodwa-ke, ngenxa yezakhiwo zamakhemikhali zekhambi uqobo, ngemuva kokuwohloka ku-combustion yegesi yokushisa ephezulu nezinye izinqubo, kuvame ukuncibilika ukwakha enye isendlalelo sekhabhoni, esisebenza njenge-oksijini esisele ngemuva kokuvuthana nezinye izinqubo.
Njengoba igama libonisa, umthombo we-acid ubhekisa kuningi le-polyphosphate yethu yansuku zonke. Ezinye izinqamu zokushisa zegesi ezishisa ziqukethe amakhompiyutha e-polyphosphate angaqalisa igesi ebekiwe ye-polyphosphate reaction ukugcwalisa okuphezulu kwe-polymer actiphon ukubopha nge-flame ye-flame retardant ukuze uqhubeke nokushisa okushisa okuphansi.
Njengoba igama lisho, umthombo womoya ubhekisa emaqenjini egesi aqukethe amathambo wesakhiwo se-molecular yezinto ezishibhile, ukuze aqhubeke nokukhipha umphumela olimazayo osele endaweni yokushisa okuphezulu, ukuze uqhubeke nokuthola umphumela wokuvikelwa kwelangabi eliphansi le-flame retardant kanye nokushisa okushisa.
Zhang xujie et al. Kuthuthukiswe uhlobo lokuvikelwa kwemvelo, i-phosphorus eluhlaza kanye ne-phosphorus ephumelelayo nochungechunge lweNitrogen Flame Retame Retardant Izithasiselo zingasetshenziselwa i-flame retardant ye-flame retardant nylon. Ukushisa okuvuthayo kwe-flame retardant nylon imikhiqizo ekhiqizwa ukulungiswa kungafinyelela i-EUL94VV-0, okuxazulula inkinga evamile yokuncibilikisa amaconsi enkohliso yemikhiqizo ye-nylon sekwephuzile yemikhiqizo ye-nylon sekwedlule isikhathi yemikhiqizo ye-nylon sekwedlule isikhathi. Kodwa-ke, ngenxa yokuba khona kwenani elikhulu lama-hydrocarbons aphuthumayo kule matali yesakhiwo se-flame retardant esebenza kahle kakhulu, kuzodala ukuqhuma okuphezulu kakhulu kwe-flame tandartant textile yemikhiqizo ye-nylon ngenxa yenani elikhulu lokuqukethwe kwe-benzene ring ring. Ngakho-ke, kusenezinkinga eziningi ekwakheni i-Flame Retardant of nitrogen kanye ne-phosphorus compound ezweni lethu, okudinga ukuthuthukiswa.
Ukushisa kokushisa kokushisa nokuvunduma kokushisa kwe-phosphorus uhla lwe-phosphorus - i-nitrogen expansion flame retardant ngokuvamile cishe ngo-200 ℃. Ukuncipha kwesisindo kufinyelelwe ama-5% cishe nge-240 ℃, kanye nobubanzi bezinga lokusabela kwe-pyrolysis cishe ku-378 ℃ nakho bekuyindawo enkulu kunazo zonke ngaleso sikhathi. Umphumela wokugcina ukuthi lapho uhla lokushisa lokuvumalwa kwezingalo lubalelwa ku-600 ℃, ukubola okushisayo kwamalangabi kuqediwe ngasikhathi sinye, futhi izinga lokugcina lezingcweti lingafinyelela cishe kuma-36,5%.
Li xia et al. Okokuqala ahlanganiswe futhi walinganisa amaqembu amabili e-carboxyl ekwakhiweni kwe-nitrogen-phosphorus uhlobo lwe-flame retardant. Ngemuva kokuthi abantu bayisebenzise, izoqhubeka nokuphendula nge-cyclophosphine futhi ibole ngosawoti we-flame retardant, futhi ekugcineni yahlanganisa i-nylon 66 flame retardant compardant.
Isivivinyo sokuhlola siphinde sabonisa ukuthi i-loi yayo yayingaphezu kwama-27.14%, futhi umphumela wokuhlola otholwe ngovivinyo lokuvutha mpo kwakungu-UL94V-0. Futhi inqubo ebheke mpo izobona ebusweni bezinto ezibonakalayo zakha kancane kancane kancane ngobukhulu obuthambile nobulinganayo be-carbonisized ungqimba, ukuxazulula inqubo yokuvutha mpo yokudonsa isendlalo. Isendlalelo sekhabhoni esakhiwa yi-phosphorus - i-nitrogen expansion flame retardant ikhonjiswa kwisibalo esingezansi.
Ⅲ.Isiphetho Nethemba
Ukubukeka kwe-halogen-free flame retardant yenza imikhiqizo ye-polyamide ye-flame-retardant ekusebenzeni okujwayelekile kokuvutha ngeke ikhiqize noma yiziphi izinto ezikhiqiza ukusabela okulimazayo emzimbeni womuntu kanye nemvelo futhi. Uchungechunge lwe-halogen-free flame retardant imikhiqizo ye-polyamide iye yaba ngumkhiqizo othandwayo emakethe. I-Halogen-Free Flame Retacdadants Red Phosphorus ne-Cyanuric acid yizinhlobo ezimbili zemikhiqizo ye-polyamide ngohlelo lokusebenza lwemakethe oluhle namathemba wokuthuthuka.
Fig.13 I-Flame-Retam-Retardant Polyamide Izinto
Umdwebo Wezibalo: Decu Plastic Net
I-Phosphorus ebomvu ine-flame retardant ye-flame nokuvuma kahle, ngakho-ke ingathuthukisa ngempumelelo ukumelana nokushisa okungokwemvelo kanye nokulinganiselwa kwendlela yombala uqobo, kuthinteke imibala yayo yombala uqobo, kuthinteka kakhulu ku-Nylon 6.
Fig.14
Enye imbuyiselo entsha ye-halogen-free free esetshenziswa kakhulu e-polyamide yi-melamine urate. Izakhi eziphambili ezisebenzayo zingaba yi-melamine usawoti okuvela kokususelwa kosawoti kanye nama-phosphate derivatives. Yize zinezakhiwo ezinhle ze-flame retardant, zinokuqina okungekho emthethweni. Ngenxa ye-oxidation yayo elula kanye nokumunca umswakama, ukusebenza ngogesi kagesi kwale mikhiqizo kumpofu ngaphansi kwesenzo sokushisa okuphezulu nendawo enomswakama isikhathi eside.
Fig.15 Melamine Cyanuric Acid
Umthombo Wezibalo: Iwebhusayithi esemthethweni ye-XIUCHEEEG
Yize ezinye izinto eziningi ezijwayelekile ze-Inorganle-flame ezisetshenziswayo kuleli phepha ziba nezinto zazo kanye nezinzuzo, bonke banochungechunge lwezinkinga, njengezinto ezivuthayo eziphansi kakhulu, inani eliphakeme lokubopha ngesibonisi sezinto ezibonakalayo, inani elikhulu lokungezwa kanye nokuncishiswa okukhulu kokusebenza kanye nokwehliswa okuhle kokusebenza. Ngakho-ke, umphumela we-flame retardant wezengezo ze-inorganic noma i-organic flame retacrant retardant uvame ukungabi kahle.
Ngakho-ke, izazi eziningi zivame ukusebenzisa indlela yokuhlanganisa yezinhlobo ezi-2 noma ezi-2 ze-Flame retadants ukuhlanganisa amalangabi ama-retaar anezakhiwo ezahlukahlukene, ukuze asebenzise ibanga eliphakeme lokukhuthaza amalangabi. Njengamanje, ukusebenza kahle kwe-nitrogen-phosphorus compame retacrant kuphezulu, indawo yokukhiqiza imakethe ingaphezulu, futhi umkhiqizo uluhlaza nokungcola.
Ngakho-ke, ama-nitrogen ne-phosphorus amalangabi ama-retadadants abuye angenye yezindlela ezibaluleke kakhulu zokuthuthukisa ikusasa emkhakheni we-flame retardation wezinto ezisetshenziswayo ze-polymer eChina. Njengamanje, inani elikhulu le-Flame Retaardants entsha liqhamuke emakethe.
Sinikeza zonke izinhlobo ze-halogen-free, phosphorous and bromine amalangabi retaardants, asetshenziswa kabanzi ngamakhasimende eYurophu nase-United States.
Imibuzo yamukelekile nganoma yisiphi isikhathi:yihoo@yihoopolymer.com
Isikhathi sePosi: Feb-27-2023