Inayiloni 66 ineempawu ezilungileyo zoomatshini, ukuxhathisa ukunxiba kunye nokumelana nokubola kweekhemikhali, kwaye isetyenziswa kakhulu kwiimoto, i-elektroniki kunye nombane. Nangona kunjalo, i-PA66 iyinto enokutsha, kwaye kuya kubakho i-droplet xa itshisa, enobungozi obukhulu bokhuseleko. Ke ngoko, kubaluleke kakhulu ukufunda ukuguqulwa kwe-PA66 kwidangatye. Inkqubo ye-flame retardant ye-PA66 yayidla ngokulawulwa yi-brominated flame retardants, kodwa i-brominated flame retardants ijongene neengxaki ezinzulu zokukhusela indalo kunye ne-CTI.
Okwangoku, i-phosphorus flame retardant ebomvu ingasetyenziswa kwizixhobo ze-PA66 ezibuyisela ilangatye ngenxa yokusebenza kakuhle kwedangatye kunye nokusebenza kweendleko ezigqwesileyo. Nangona kunjalo, i-phosphorus flame retardants ebomvu kwiqondo lokushisa eliphezulu, umoya, ukufuma okuphezulu kunye nokusingqongileyo kwe-alkaline, kulula ukufunxa amanzi, okukhokelela kwi-asidi yezinto. I-asidi ye-phosphoric iya kutshabalalisa izakhi zetsimbi, ezibangele iimpawu zombane zemveliso.
Ukuze uthintele i-acidification ye-phosphorus reaction ebomvu, ukuphucula ukuzinza kwe-phosphorus ebomvu, eyona ndlela isebenzayo kukuba i-microcapsule ifakwe i-phosphorus ebomvu, le ndlela yindlela ye-in-situ polymerization, kwindawo ebomvu ye-phosphorus powder. yenza izinto ezizinzileyo zepolymer, ukuze ukwazi ukunxibelelana ne-phosphorus ebomvu kunye neoksijini kunye namanzi, kwaye unciphise i-acidification ye-phosphorus ebomvu, iphakamisa ukuzinza kokusetyenziswa kwezinto eziphathekayo.
Nangona kunjalo, iireyini zokugquma ezahlukeneyo zineziphumo ezahlukeneyo kwinayiloni eyomeleziweyo ye-phosphorus ye-flame retardant. Kolu phononongo, iiretadanti ezimbini zomlilo ze-phosphorus ezibomvu ezigqunywe nge-phenolic resin kunye ne-melamine resin ziye zakhethwa ukuba zifunde iziphumo zezi zinto zimbini zahlukeneyo zokunqanda amadangatye kwiipropathi ezahlukeneyo ze-PA66 ebuyisela idangatye ephuculweyo.
Ukwakheka okusisiseko kwemathiriyeli ngolu hlobo lulandelayo: i-melamine resin eqatywe i-phosphorus flame retardant master material (MC450), i-phenolic resin eqatywe ebomvu ye-phosphorus flame retardant master material (PF450): umxholo we-phosphorus obomvu wama-50%. Ukwenziwa kwenayiloni eyomeleziweyo ye-flame retardant 66 yi-58% yenayiloni 66, i-12% ye-flame retardant master material, i-30% yefiber yeglasi.
Iphepha elibomvu lephosphorus eligqunywe lidangatye eliphuculweyo lePA66 lephepha lefomula
| Inombolo yesampulu. | PA66 | MC450 | PF450 | GF |
| PA66-1# | 58 | 12 | 0 | 30 |
| PA66-2# | 58 | 0 | 12 | 30 |
Emva kokudibanisa kunye nokuguqulwa, i-PA66 / GF30 edibeneyo ehlanganiswe ne-phosphorus ebomvu ye-flame retardant yalungiswa, kwaye iipropati ezinxulumene nazo zalinganiswa ngolu hlobo lulandelayo.
1. Ukubuyiswa komlilo, ubushushu bocingo olushushu kunye nesalathiso sophawu lwe-creepage
| Isampulu | 1.6 mm | Ukuvuza | GWFI | GWIT | CTI |
| Inani | Ibakala lokutshisa | Imeko | / ℃ | / ℃ | / V |
| PA66-1# PA66-2# | V-0 V-0 | no no | 960 960 | 775 775 | 475 450 |
Ingabonwa ukuba zombini i-PA66-1 # kunye ne-PA66-2 # inokufikelela kwibanga elihlala lilangatye le-1.6mm V-0, kwaye izixhobo azivuthi ngexesha lokutsha. Ezi ntlobo zimbini ze-phosphorus ebomvu eqatywe i-retardant ephuculweyo ephuculweyo ye-PA66 inesiphumo esihle kakhulu sokubuyiswa komlilo. Isalathisi sokuvutha kocingo olukhanyayo (GWFI) ye-PA66-1# kunye ne-PA66-2 # inokufikelela kwi-960℃, kwaye i-GWIT inokufikelela kwi-775℃. Ukusebenza kokuvutha okuthe nkqo kunye nokusebenza kovavanyo olukhanyayo lwezinto ezimbini ezibomvu ezigqunywe i-phosphorus flame retardant zinokufikelela kwinqanaba elihle kakhulu.
Kwakhona kunokubonwa ukuba i-PA66-1 iphezulu kancinane kune-CTI ye- # PA66-2 #, kunye ne-CTI yezinto ezimbini ezibomvu ze-phosphorous ezifakwe kwi-flame retardant PA66 zingaphezulu kwe-450V, ezinokuhlangabezana neemfuno zesicelo kumashishini amaninzi.
2. Ipropathi yoomatshini
| Isampulu Inani | tensile strength | ukugoba amandla | amandla empembelelo/(kJ/m2) | |
| /M Pa | /M Pa | Umsantsa | Akukho inotshi | |
| PA66-1# | 164 | 256 | 10.2 | 55.2 |
| PA66-2# | 156 | 242 | 10.5 | 66.9 |
Iimpawu zoomatshini zibalulekile iipropathi ezisisiseko zenayiloni eyomeleziweyo ye-flame retardant kwisicelo sayo.
Kuyabonakala ukuba amandla okuqina kunye nokugoba kwe-PA66-1 # aphezulu, ayi-164 MPa kunye ne-256 MPa ngokulandelelana, i-5% kunye ne-6% ephezulu kune-PA66-1 #. Amandla empembelelo ephawulweyo kunye namandla empembelelo angabhalwanga e-PA66-1# zombini ziphezulu, eziyi-10.5kJ/m2 kunye ne-66.9 kJ/m2 ngokulandelelanayo, i-3% kunye ne-21% ephezulu kune-PA66-1#, ngokulandelelanayo. Iipropati ezipheleleyo zomatshini wezinto ezimbini ezigqunywe nge-phosphorus ebomvu ziphezulu, ezinokuhlangabezana neemfuno zokusebenza kwiinkalo ezahlukeneyo.
3. Imbonakalo kunye nevumba
Inokubonwa kwinkangeleko yeentlobo ezimbini zeesampulu ezibunjiweyo zenaliti ezigqunywe ngephosphorus ebomvu ukuba i-PA66 (PA66-1 #) idityaniswe nelangatye elandiswa ngemelamine resin eqatywe ngephosphorus ebomvu inomphezulu ogudileyo, umbala oqaqambileyo kwaye akukho fayibha edadayo kwi-fosforasi ebomvu. umphezulu. Umbala womphezulu we-flame retardant oqiniswe nge-PA66 (PA66-2 #) olungiswe yi-phenolic resin eqatywe nge-phosphorus ebomvu yayingafani kwaye kwakukho imicu edadayo ngakumbi. Oku kungenxa yokuba i-melamine resin ngokwayo ingumgubo ocolekileyo kakhulu kwaye ogudileyo, njengomaleko wokugquma waziswa, uya kudlala indima yokuthambisa kuyo yonke inkqubo yezinto, ngoko ke inkangeleko yezinto igudileyo, akukho fayibha edadayo ngokucacileyo.
Iintlobo ezimbini ze-phosphorus-coated ebomvu egqunywe i-flame retardant ye-PA66 yamasuntswana abekwe kwi-80 ℃ ngeeyure ze-2, kwaye ubungakanani bevumba labo bavavanywa. I-Pa66-1 # impahla inevumba elicacileyo kunye nevumba elibukhali elibukhali. I-Pa66-2 # inevumba elincinci kwaye akukho vumba elibukhali elicacileyo. Oku kubangelwa ikakhulu kwi-polymerization ye-in situ, i-amine coated resin iimolekyuli ezincinci akulula ukuzisusa zicocekile, kwaye ivumba le-amine substance ngokwayo inkulu.
4. Ukufunxwa kwamanzi
Ngenxa yokuba i-PA66 iqulethe amaqela e-amine kunye ne-carbonyl, kulula ukwenza iibhondi ze-hydrogen kunye neemolekyuli zamanzi, ngoko kulula ukufunxa amanzi xa esetyenzisiwe, okukhokelela kwisiphumo seplastiki, okukhokelela ekwandiseni umthamo wezinto eziphathekayo, ukuhla kokuqina, kunye nokunyuka okucacileyo phantsi kwesenzo uxinzelelo.
Impembelelo eyahlukileyo coated flame retardant phosphorus ebomvu kwi ukufunxwa kwamanzi izinto yaphononongwa ngokuvavanya ukufunxwa kwamanzi izinto. Kuyabonakala ukuba ukuxutywa kwamanzi kwezinto ezimbini kuyanda ngokunyuka kwexesha. Ukufakwa kwamanzi okuqala kwe-PA66-1 # kunye ne-PA62-2 # kuyafana, kodwa ngokunyuka kwexesha lokufunxa kwamanzi, ukuxutywa kwamanzi kwezinto ezahlukeneyo ngokucacileyo kuyahluka. Phakathi kwazo, i-phenolic resin iqatywe nenayiloni ebomvu yomlilo we-phosphorus (PA66-2 #) inomlinganiselo ophantsi wokufunxa wamanzi we-5.8% emva kweentsuku ezingama-90, ngelixa i-melamine resin iqatywe nenayiloni ebomvu yomlilo we-phosphorus (PA66-1 #) inamanzi aphezulu kancinci. izinga lokufunxa le-6.4% emva kweentsuku ezingama-90. Oku ikakhulu kungenxa yokuba i-phenolic resin ngokwayo isantya sokufunxa samanzi sisezantsi, kwaye i-melamine resin inamandla okufunxa amanzi, ukuxhathisa kwe-hydrolysis akulunganga.
5. Ukumelana nokubola kwintsimbi
Ukusuka kwiisampulu ezingenanto kunye ne-phosphorus ebomvu ejikisiweyo, i-retardant eyomeleziweyo ye-nayiloni ye-corrosion yesinyithi emfanekisweni inokubona, ukuba ungadibanisi, isampuli engenanto ye-nayiloni yesinyithi eguquliweyo i-corrosion incinci, kukho umoya omncinci kunye nomhlwa wamanzi obangelwa uphawu, i-PA66-1 # yentsimbi ye-corrosion ilungile, iglosi yesinyithi ingcono, iindawo ezimbalwa zine-corrosion phenomenon, I-corrosion ye-metal ye-PA66-2 # yeyona nto inzima kakhulu, kwaye umphezulu we-metal sheet ungcoliswe ngokupheleleyo. , ngoxa umphezulu wephepha lobhedu udlekile kwaye ubalabala ngokucacileyo. Oku kubonisa ukuba ukuthotywa kwe-melamine resin eqatywe nenayiloni ebomvu ye-phosphorous flame retardant ingaphantsi kwaleyo ye-phenolic resin eqatywe nenayiloni ebomvu ye-phosphorous flame retardant.
Ukuqukumbela, iintlobo ezimbini zezixhobo ze-PA66 ezibuyisela idangatye zalungiswa ngokugquma iphosphorous ebomvu ngemelamine resin kunye nephenolic resin. Iindidi ezimbini zezixhobo ezikwaziyo ukufikelela kwi-1.6mmV-0, zinokudlula i-775 ℃ iqondo lokushisa elikhanyayo, kwaye i-CTI inokufikelela ngaphezu kwe-450V.
Amandla okuqina kunye namandla okuguquguquka kwe-PA66 aphuculwe yi-melamine egqunywe nge-phosphorus ebomvu, ngelixa ipropathi yempembelelo ye-PA66 yayingcono nge-phenolic coated phosphorus ebomvu. Ukongeza, ivumba le-phenolic resin eqatywe nge-phosphorous flame retardant ephuculweyo ye-PA66 yayingaphantsi kwelo lezinto ezigqunywe ngemelamine, kwaye izinga lokufunxa kwamanzi lalisezantsi. I-Melamine resin eqatywe nge-phosphorous flame retardant ebomvu yongeza inkangeleko ye-PA66 kunye nomhlwa omncinci kwiintsimbi.
Isalathiso: Uphononongo kwiipropathi zokubuyiswa komlilo zePA66 eziqatywe ngephosphorus ebomvu, imathiriyeli ye-Intanethi.
Ixesha lokuthumela: 27-05-22