Izengezo yizinto ezibalulekile eziluhlaza embonini yerabha. Yize inani lincane, umphumela mkhulu kakhulu. Ama-polyurethane lastomers awakwazi ukuhlukaniswa nezithasiselo kusuka ku-synthesis kuya ekusetshenzisweni nasekusetshenzisweni kwehlukile, kungahlukaniswa ngohlelo lokwenziwa, uhlelo lokushintshanisa kanye nohlelo lokuvikela izinhlobo ezine zama-Auxiliar.
Zokwenziwa Usizo
01 Catalyst ne-inhibitor
Ekuhlolweni kwama-polyurethane lastomers, ukuze usheshise ijubane lokuphendula okuyinhloko, imvamisa kudingeka ukwengeza ama-catalysts, ama-catalyspine asetshenziswayo, ama-anyotin ama-ortimesnenine, i-triethylenanolamine, i-morphine nokunye, phakathi kwayo, phakathi kwawo nge-triethylene diam okubaluleke kakhulu; I-Organitin ifaka i-caprylate edabukisayo, i-dibutyl tin ibuya nokunye. Ngaphezu kwalokho, kukhona i-Organic Mercury, ithusi, ukuhola nensimbi, ngokuhola kwe-organic kanye ne-mercury kubaluleke kakhulu, njenge-caprylate ye-genylmercuric. Ama-Organic Dibasic acid afana ne-adipic acid ne-azelaic acid angasetshenziswa njengama-catalysts okuthulula irabha le-polythene polyurethane.
I-02 Chain Extender ne-Chain Extender Cornglinking Agent
Ekuhloleni kwama-polyurethane lastomers, i-chain extender isho ama-diols nama-amools kanambambili okubalulekile ekukhuleni kokukhula kwe-chain. I-Chain Extension Cornglinking Agent isho okubambisene ne-Compound Ukulandisa Ekukhuleni Kwechungechunge futhi ingasebenzisa ama-allly we-ether diol akulungile ukusakaza i-polyurethane ether diol; Ama-Polyurethane lastomers angasebenzisa ama-diols noma ama-alllyl ether diols.
I-Modifier Handling Agent
Ezinye zalezi zengezo zingathuthukisa ukusebenza nokubukeka komkhiqizo, futhi ezinye zikwazi ukuthuthukisa inqubo yokusebenza, njenge-spitizer, ukunciphisa umzimba, ukugcotshwa, i-filler, i-ejenti yombala kanye nokukhishwa.
I-01 Plastizar
I-Plistic isetshenziswa ikakhulukazi kwi-polyurethane compound. Inhloso yokusebenzisa ukwandisa ubukhulu bendawo, thuthukisa impahla ecubungula kanye nempahla yokushisa ephansi yenjoloba evundweni, futhi yehlise ubulukhuni kanye namandla okuqina wenjoloba. Inani lendawo yepulasitiki akufanele libe likhulu kakhulu, ngaphandle kwalokho lizonciphisa ukumelana nokugqoka kwenjoloba evundlekeni. I-Polyurethane ye-rubber ine-polarity eqinile, ngakho-ke ukukhetha okujwayelekile kwePolar Plastic. I-Phthalates, e-phosphate esters, i-alkyds e-aliphatic namanye ama-resins, afana ne-dimethoxy-glycol perthalate, i-triethylene glycol dinononate, i-triethylene glycol dinononate, njyaron-indene resin, njll. Imiphumela yokuhlola isetshenziswa ukuthi lapho kusetshenziswa i-dioctyl Sebacate, i-Spouting I-Photomenon yenzeka ngemuva kokuvuselelwa. Lapho usebenzisa iGumaron Resin, amandla ashubile aphezulu, ukuguquguquka okungapheli kusemncane, kepha ubulukhuni buncishiswa ngokusobala; Lapho kusetshenziswa i-Tricresol Phosphite, amandla ashubile aphansi kunawo wonke we-Coumaron Resin, kepha ubulukhuni buncishiswa kusobala.
02 gqoka ukuncipha
Kwezinye izikhathi ezikhethekile, ukuze kuncishiswe ukungqubuzana kwe-coeffled ye-polyurethane elastomer futhi kubuye ngcono ukumelana nokugqokwa kwe-gread, i-allIum diskulfide, i-molybdenum disvulfide, i-titanium diskufide, i-titanium diskufide inezindawo zokuzithathela, I-bushing nezinye izingxenye, inokubaluleka okukhulu kwezomnotho.
03 Amafutha
I-lubricant esetshenziswa ePolyurethane Elastomer isetshenziswa ikakhulukazi ekucutshungweni kwe-thermoplastic ne-elastomer exubile. I-Stearic acid kanye nosawoti wayo, uphalafini kanye nokuqina kusetshenziswa kakhulu.
04 Khipha i-ejenti
I-ejenti yokukhishwa yi-ejenti yokusebenza ebaluleke kakhulu ekukhiqizweni kwezinhlobo ezintathu zemikhiqizo ye-polyurethane elastomer. I-Polyurethane iyinto eqinile ye-polar polymer. Inamandla okubopha okuqinile ngezinsimbi zensimbi nezinsimbi ezinamakhaza. Ngaphandle kokukhulula i-ejenti, imikhiqizo kunzima iphume kuyo isikhunta. Ama-ejenti wokukhishwa asetshenziswa kakhulu yi-ager ye-silicone, i-silicone ester, i-silicone ester, i-soap kanye neparafini izinto ezifana ne-polytetrafluoroethlelene, i-alicone rubber, i-polystyrene, i-polyethylene, i-polyethylene, ukususa inqubo ye-ejenti yokuhlikihla noma yokufafaza ukukhishwa.
I-05 filler
Ama-filler angezwa ukuze anciphise izindleko zomkhiqizo futhi athuthukise ukumelana nokushisa, anciphise ukushwabana kanye ne-coefficient of thermal expression nezinye izakhiwo. Ku-hlobo hlobo i-polyurethane irabha kuvame ukungezwa kumakhophi angama-20-30 ka-carbon omnyama, inhloso yawo akuwona ukuqinisa, kepha ukugcina izakhiwo ezingokomzimba nezomshini zenjoloba zingashintshiwe ngaphansi kwesisekelo sokunciphisa izindleko zemikhiqizo. Ngokukhuphuka kwenani lekhabhoni emnyama, amandla ashukumisayo kanye nokugcwala kwerabha kancane kwehla, ukucaciswa okuqondile, okulula ukuxubana okungcono kakhulu, kulandelwa i-carbon emnyama egqokile, emnyama eqinisiwe emnyama. Amanye ama-filler anjenge-Clay, I-White Carbon emnyama, i-calcium carbonate, i-barium sulfate, njll., Nayo ingasetshenziswa.
06 Cololant
Imikhiqizo yePolyurethane Elastomer inemibala emihle, ukubukeka okuhle nokuphanayo kuya ngombala. Kunezinhlobo ezimbili zama-colorants, amadayi we-organic kanye nemibala engokwemvelo, amadayi e-organic asetshenziswa kakhulu kwimikhiqizo ye-thermoplastic, ukuhlobisa izingxenye zokuhlobisa nezihlobisa. Umbala wemikhiqizo ye-elastomer ngokuvamile unezindlela ezimbili: enye yezithasiselo ze-pigment kanye ne-oligomer polyol egaya ngotshwala bamama, bese kuthi inani elifanele lophuzo lwe-oligomer exubekile, njengezinto zokwenza imikhiqizo ye-thermoplastic, njengezinto zokwenza imibala ye-polyurethane Enye indlela yi-pigment nezinye izithasiselo nama-oligomer polyols noma ipulasitiki egaya ngombala noma umbala unamathisele, ngemuva kokushisa ukomisa ngokweqile kwe-vacuum, ukubekwa eceleni. Lapho isetshenziswa, engeza umbala omncane unamathisela ku-prepolymer, uvuse ngokulinganayo bese uphendula nge-ejenti yokunweba i-crosslinking. Le ndlela isetshenziselwa ikakhulukazi uhlelo lwe-moca vulcanization. Okuqukethwe kwe-pigment kuma-accoons anamathisela ama-akhawunti acishe abe yi-10% -30%. Inani lokungezelela lombala wokunameka emikhiqizweni ngokuvamile lingaphansi kuka-0,1%.
U-Ejelcaning Agent ikakhulukazi kubhekisa kumenzeli we-Vulcanizeng kanye ne-accelerator, esetshenziswa kuphela kuma-polyurethane alastomers. Umenzeli we-Vulcaning ufaka isocyanate, i-peroxide kanye nesibabule. I-isocyanate esters isetshenziswa kakhulu ku-TDI ne-dimer yayo, i-MDI dimer ne-papi, njll.
Izinzuzo zokusebenzisa i-isocyanate njengoba umenzi wobuvikeli ukumelana kahle nokuqina nobulukhuni obukhulu. I-Peroxide Vulcaning Agent eDiisopropylbenzene Peroxide (DCP) yiyona evame kakhulu, ezinye izinhlobo ezine-tert-buryl percyllenzene peroxide, i-alkyll, i-arylyl kanye ne-arkyly kanye ne-arylyl, lokushisa le-arcyly kuya ku-140-150℃kufanelekile.
Nge-ejenti ye-peroxide ebunguzini ne-isocyanate njenge-ejenti ye-polcaning uma iqhathaniswa ne-polcaniation yokuqala, i-vulcaning isikhathi sokuqina, ukuqina kokuqina, ukungasebenzi kahle kungokuthi akwazi ukuguqula umoya, ukudiliza amandla okushisa kanye nokushisa Ukumelana kubi, yiba nephunga; Lapho ukwakheka kwe-polyurethane compound kuqukethe izingxenye ezingekho emthethweni, kungasetshenziswa i-sulfur Vulcanization.
I-ejenti yohlelo
Ukuze uvikele ukuguga kwe-polyurethane enjoloba, ukwelula impilo yenkonzo yomkhiqizo, kungasetshenziswa ukwengeza ukushisa kwe-stabilizer, i-stabilizer elikhanyayo, i-hydrolysis stabilizer, anti-agent kanye ne-flame retardant namanye amakhompiyutha.
I-01 Heat Stabilizer
Ukusebenza okuvikelekile kwe-oxidation okulimele okujwayelekile kwe-oxidation akuyona into enhle kakhulu, i-oxidation elula kanye ne-discelioning ngaphansi kokushisa, okuthinta ukuvela kwemikhiqizo, ngakho-ke i-antioxidant e-polyurethane izinto (ama-antioxidant-3, pentaerththritol (5-di-tertylphenylpropionate) (Antioxidant -1010), i-octadecyl 3, 5-di-terdl-4-perdroid-4-1076), i-trinonylphenyl (Trinonyphphenyl foni (TNP), njll.
02 Stican Whintle
Yaziwa nangokuthi i-Ultraviolet Ancerbent, ingathuthukisa kakhulu i-POPOSTANATE ye-polyurethane ye-aromatic. Abagcini bezinhlobo ezivame ukusetshenziswa bafaka i-benzophenone, i-benzotriazole ne-piperidine, njenge-2-hydroxybenzone (UV-4-Methoxybenzone (UV-2-Methoxybenzo -neOLENE -5-chlorobenzotriazole (UV-328), BIS (2, 2, 6, 6-TetramethyPiperine) Sebacate, njll.
I-03 hydrolysis stabilizer
Lapho i-polyester polyurethane i-rubber isetshenziswa endaweni enomswakama, ikakhulukazi emanzini ashisayo, i-hydrolysis stabilizer kumele ingezwe. I-hydrolysis stibilicilezer esetshenziswa kabanzi embonini yizinhlanganisela ze-diimide ze-carbonisized. Kukhiqizwe yiJalimane Chemian Card Carbonised Diimide (PCD) inamabanga amabili: I-Staxol-1 (i-single carbonised diimide) kanye ne-Staxol-P (polycarbonised diimide), i-molecular-p (polycarbonised diimide), i-molefanelar - ubuningi be-molecular 40-50℃, ikakhulukazi esetshenziswa esimweni esincibilikisiwe se-polymer ye-polymer, njengokuthela uhlobo lwe-polyurethane, izimbotshana ze-polyurethane; Lesi sakamuva sinesisindo esiphakeme se-molecular futhi sisetshenziswa ku-thermoplastic naku-polyurethane elatomers.
04 I-Anti-Mold Agent
Ama-polythert polyyane elastomer anekhono eliqinile lokulwa nokulwa nekhono le-anti-njengoba, ngokuyisisekelo akhululeke ekuguguleni kwe-microbial, ngeke akhule isikhunta; Uhlobo lwe-polyester ne-polyεUhlobo lwe-Custoractone lwe-Polyurethane lutholakala ekuguguleka kwe-microbial kanye nokuguguleka kwe-midlicεUhlobo lwe-Cuploractone lwe-polyurethane rubber ruble lubi kakhulu, ngakho-ke kuyadingeka ukwengeza i-ejenti yokuvimbela isikhutha. Ama-agents asetshenziswayo asetshenziswa kakhulu angama-8-hydroxyquinoline, 8-hydroxyquinolone, pentachlorophenol, i-sodium pentachlororol, i-tetrachloro4 - (i-methyl sulfonyl) i-pyridine, i-salicylidene anguline, kabili (Tri-nulfonyl) i-oxide, i-pernylmercuric acetate, njll. 0.1% -1%. Ukukhethwa kwe-hlobo invibitor kufanele kubhekwe umphumela we-isikhutha kanye nobuthi obuphansi emzimbeni womuntu kanye nokungcoliswa kwemvelo kanye nezinye izinto ezi-1-2, akukho mphumela ovumayo we-1-2), kepha kunombala.
I-05 Flame Retardant
Ibanga le-Flame Retardant lezinto zokwakha livame ukukalwa yi-Oxygen Index: I-Oxygen Index> 38 yezinto zokwakha amalangabi aphambili kanye> 25 ngezinto zokwakha amalangabi wesibili. Inkomba ye-oxygen ye-Polyurethane Eastic Entestic yango-19-20, okungokwezinto ezivuthayo. Lapho kusetshenziswa i-polyurethane efenisha, ekwakheni, izimoto, izinto zokwakha, kufanele kuhlangane namazinga we-flame retardant ngaphezulu kweklasi II. Ngakho-ke, i-Flame Retardant isetshenziswa kabanzi kwimikhiqizo ye-polyurethane, futhi kungumthamo omkhulu kakhulu wenkimbinkimbi, ibalwa cishe nge-1/3 yenani eliphelele lamakhompiyutha e-polyurethane. I-Flame Retardant ihlukaniswe izigaba ze-Inorganic and Organic, i-Inorganic Flame Retardant ivame ukuqukethe i-aluminium, i-boron, i-antimony ne-aluminum hydroxide, i-aluminuum hydroxide, ishibhile, i-antimony hydroxide, ishibhile, i-antimony, i-antimovate iqinile, ephezulu Ubuningi, ekulinganiseni, ezokuhamba, imishini yokuxuba faka phambili izidingo eziphakeme, ukusetshenziswa akuyona elula kakhulu.
Ama-auxilaries ahlukahlukene amakhemikhali adlala indima ebalulekile emkhakheni wamakhemikhali amahle. Yize inani alilikhulu, kunezinhlobo eziningi, ukusetshenziswa okubanzi nenani eliphakeme eliphakeme. Izinkampani eziningi ekhaya nakwamanye amazwe zizibophezele ekwakheni ama-Auxilaries amasha, ikakhulukazi ama-Auxilary. I-Polyurethane ngumkhakha wamalanga aqhamukayo, ukusebenza okuphelele kuhle kakhulu, ubukhulu besicelo siyanda.
I-Qingdao yinhollley Izinto ezintsha zizibophezele ekuthuthukisweni nasekukhiqizweni kwezithasiselo ze-polymer ezisebenzayo, ezinjenge-antioxidants, i-UV amunclent, i-stabilizer elikhanyayo, i-flame retardant, uhla olubanzi lwamapulasitiki wobunjiniyela baseNgilandi.
Uyemukelwa ukubuza:yihoo@yihoopolymer.com
Isikhathi Sokuthumela: APR-12-2023