Kuzvipira kwakakosha zvishandiso zvishandiso muindasitiri yerabha. Kunyangwe iyo huwandu idiki, mhedzisiro yakakura kwazvo. Polyurethane Elastomers haigoni kupatsanurwa kubva kuSynthesis kuti igadziriswe uye kushanda.Cocomputer system, kushandurwa uye kushanda kwesangano uye dziviriro system marudzi mana emhando dzevhu.
Synthetic rubatsiro
01 Catalyst uye Inhibitor
In the synthesis of polyurethane elastomers, in order to accelerate the speed of the main reaction, often need to add catalysts, commonly used catalysts are tertiary amine and organotin two categories, tertiary amines are triethylenediamine, triethylenediamine, trimethylbenzylamine, dimethylethanolamine, morphine and so on, among iyo Trierslene diamine inonyanya kukosha; Organotin inosanganisira stannous caprylate, dibutyl tin dilaurate zvichingodaro. Mukuwedzera, pane organic mercury, mhangura, kutungamira nesimbi, ine organic kutungamira uye mercury kuve kwakanyanya kukosha, sekutungamira kwekutungamira uye phenylmercuric acetate. Organic Dibassic Acids yakadai seAdipic acid uye Azelaic acid inogona kushandiswa seCATLESS yekudururira rabha yePolyetherhane polyurethane.
02 keteni Extender uye Chain Yakawedzera Crosslinking Mumiririri
MuSynthesis yePolyurethane Elastomers, Chain Yakawedzera Inoreva Diols uye Binary Amines Izvo Izvo Zvakakosha Kuti Chechi Yenzvimbo Yekuita Kake. Chain Yakawedzera Crosslink Elastomers anoshandisa diol; Yakasanganiswa polyurethane elastorers inogona kushandisa chero diols kana allyl ether diols.
Modifier Anobata Mumiriri
Vamwe vevamwe vanowedzera vanogona kuvandudza kuita uye kuoneka kwechigadzirwa, uye vamwe vanogona kugadzirisa maitiro ekuvhiya, akadai seplasticzezer, yakadai sepapurasitiki, pfeka kuderedza, pfeka, fillarti uye yakaburitswa nemumiriri.
01 Plasticzezer
Plasticzezer inonyanya kushandiswa muPolyurethane compand. Chinangwa chekushandiswa ndechekuwedzera iyo plasitiki yeiyo compound, kuvandudza nzvimbo yekugadzirisa uye yakadzika tembiricha yezvivakwa zveVulcanized Rubber, uye kuderedza kuomarara uye kusimba kwesimba kweiyo vulcanized rabha. Huwandu hwePlasticze hachifanirwe kuve hwakanyanya, zvimwe zvichadzikisa kupfeka kupokana kweraranized rabha. Polyurethane Rubber ane polarity yakasimba, saka kusarudzwa kwakawanda kwePolar Plasticzezer. Phthalates, phosphate esters, aliphatic alkyds uye mamwe enzvimbo, sedcolene Glycol Phtchate phenomenon inoitika mushure mekuita basa. Paunenge uchishandisa Gumaron Resin, simba rakafanana rakakwirira, kushatirisa kusingaperi idiki, asi kuomarara kunoderedzwa pachena; Kana Tricresol Phosph ishandiswa, simba renzvimbo rakaderera pane iro reCoumon Resin, asi kuomarara kwakaderedzwa pachena.
02 Pfeka kuderedza
Mune dzimwe nguva dzakakosha, kuitira kuti uderedze kupokana kwePolyurethane Elasomer kupokana, zvakafanira kupfeka, molium Dighfide, Bearings, bhazi uye zvimwe zvikamu, zvine kukosha kukuru kwehupfumi.
03 Lubricant
Iyo lubricant inoshandiswa muPolyurethane Elasomer inonyanya kushandiswa mukugadziriswa kweTermoplastics uye yakasanganiswa elastomer. Stearic acid nemaronda ayo, paraffin uye Stealamide anowanzo shandiswa.
04 Sunungura Agent
Sununguko mumiririri ndeyekubvumirana kushanda mumiririri mukugadzirwa kwemhando nhatu dzePolyurethane elasomer zvigadzirwa. Polyurethane inzvimbo yakasimba polar polymer. Iyo ine simba rakasimba rekurongedza nesimbi uye polar polymer zvinhu. Pasina kuburitswa mumiririri, zvigadzirwa zvakaoma kubuda kubva muumbi. Ivo vanowanzoshandiswa vanoburitsa Silicone Rubber, Silicone Ester, silicone Oiri, Polystyrene, Polystyrene, Polystyrene.
05 filler
Vafirita vanowedzerwa kuti vadzore mari yechigadzirwa uye vandudza kupisa kupokana, kuderedza kuderera uye kuenderana nekuwedzera kwekuwedzera uye zvimwe zvinhu. Mukuvhiringidza mhando polyurethane rabha inowanzowedzerwa kumakopi ebhokisi 20-30 yeCarbon dema, chinangwa chayo chisiri kusimbisa, asi chengetedza zvinhu zvepanyama uye zvekuita zvekushanduka zvakadzama pasi pekudzora mutengo wezvigadzirwa zvezvigadzirwa. Nekuwedzera kwehuwandu hwecarbon dema, kusimba kwesimba kweiyo kabhoni zvishoma nezvishoma, zvichiteverwa neyekupfeka kabhoni, kushomeka kabhoni dema dema. Mamwe mafirita akadai sevhu, chena carbon dema, calcium kabhoni, ethum sulfate, etc., inogona kushandiswawo.
06 Colant
Polyurethane Elasomer zvigadzirwa zvine mavara, kutaridzika kwakanaka uye nerupo kunoenderana ne colant. Kune marudzi maviri evakadzika, madhiri emakwenzi uye magetsi emhando, magetsi anonyanya kushandiswa muTermoplastic polyure Iko kuverengera kwezvigadzirwa zveElasomer kazhinji zvine nzira mbiri: imwe ndeyekuwedzera kwePollitives neyeamai vaFiredhorwe, uye socueanate zvigadzirwa zveCollyd Imwe nzira ndiyo pigment uye zvimwe zvinowedzera uye oligomer polyols kana eplasticzer ichirovera mu color paste kana ruvara paste, mushure mekuputika kushomeka, kurongedza reserve. Kana ichishandiswa, wedzera zvishoma ruvara paste kune iyo prepolymer, kumutsa zvakaringana uye wozoita ngetani necheni yekuwedzera kuyambuka mumiririri kudhiraivha zvigadzirwa. Iyi nzira inonyanya kushandiswa kune moca vulcanization system. Iyo pigment yezvinyorwa mune ruvara paste maakaunti kweanenge 10% -30%. Iyo yekuwedzera huwandu hwerudzi rwepasita mune zvigadzirwa kazhinji zvinopfuura 0,1%.
Vulcanizizing mumiririri anonyanya kureva mumiririri wekutengesa uye anokurumidza, akashandiswa chete muPolyurethane Elastomers. Iyo vulcanizing mumiririri anosanganisira isocyanate, peroxide nesarufa. Isocyanate geners inowanzoshandiswa muTDI uye yayo Dimer, MDI Dimer uye nePapilling yeDuisocyanate, zviri nyore kuita nemvura, uye zvine muchetura, saka zvakakodzera kutarisisa kuchengeteka uye kudzivirira mvura mudenderedzwa.
Zvakanakira kushandisa ISOCYANATE seVulcanizing mumiririri akanaka akapfeka kupokana, simba rakakura uye kuomarara. Peroxide Vulcantizing Mumiririri weDiivepropylbenene Peroxide℃zvakakodzera.
NePeroxide Vulcanizization Agent uye ISOCEANATE SEZVINOGONESA MUKADZI ACHINYENGETSI, DZINOGARA DZINOGARA DZINOGARA, KUKOSHESA KWEMAHARA. Kuvhiringidza, kuputsa simba nekudziya kupisa kune murombo, unonhuhwirira; Kana chimiro chePolyurethane Compound ine zvisingagadziriswe macheni zvikamu, Sulfu Vulcanization inogona kushandiswa.
Stabilzing System Agent
In order to prevent the aging of polyurethane rubber, prolong the service life of the product, can be used to add heat stabilizer, light stabilizer, hydrolysis stabilizer, anti-agent and flame retardant and other compounds.
01 Heat Stabilizer
General Polyurethane Rubber Heat Kurwisa Oxidation Performance haina kunaka, inokanganisa kugadzirwa, Pentaerythritol (5-di-terter-butylphenylpropionate) (ANDIOXIDNTL 3, 5-hydroyphexphephepi (Trapyl phosphite (TPP), Trinonylpherl phosphite (TNP), etnon), nezvimwe.
02 Chiedza Stabilizer
Zvakare inozivikanwa se Ultraviolet inobata, inogona kuvandudza zvakanyanya iyo photosstability yeanoramatic isocyanate polyurethane. Kazhinji inoshandiswa maLice Stabilizers inosanganisira Benzophenone, Berzotrizo -5-chlorobenzotrizolole (UV-328), BIS (2, 2, 2, 6-Tetrethethpiptiidine) sebacate, etc.
03 hydrolysis stabilizer
Kana Polyester polyurethane rubrab inoshandiswa munzvimbo dzakanyorova, kunyanya mumvura inopisa, hydrolysis stabilizer inofanira kuwedzerwa. Iyo hydrolysis stabilizer yakashandiswa zvakanyanya muindasitiri ndeye carbonized diimide makomputa. Yakagadzirwa neGermany Rhein Chemical chirimwa carbonized diimide (PCD) ine mamakisi maviri: Stabaxal-p (polycarbonized diimide), iyo yaimbove molecular misa yakaderera, inonyungudika manhamba 40-50℃, inonyanya kushandiswa mumamiriro ezvinhu akanyungudutswa yePolyester mvura polymer, yakadai sekudurura mhando polyurethane, mapuranga euringhane; Iyo yekupedzisira ine yakakura smecular uremu uye inoshandiswa muTermoplastics uye yakasanganiswa polyurethane elastomers.
04 Anti-MOLD Agent
Polyether polyurethane Elasomer ine simba rakasimba rekuwedzera-mol-mol-mol -, Iyo polyester mhando uye polyε-Caprolactone mhando polyurethane rubrab inokanganiswa ne microbial kugura uye nyoro munzvimbo dzinopisa uye dzakasimba uye dzakasviba, kunyanya polyε- Iyo inowanzoshandiswa antimaldew vamiriri 8-hydroxyquinolenol, sodixxophelorool, tetachlorophenol, tetachloroophelenol, (Methyl Sulfonyl Kuwedzera kwekuwedzera ndeye 0.1% -1%. Kusarudzwa kweMelbitor kunofanirwa kufunga nezvekunyora kwehunhu hwekunyora kwemuviri uye nezvimwe zvezvematongerwo enyika uye zvisingaiti (LD50 = 500-16000MG / KG), asi kune mavara.
05 murazvo unodzoreredza
Murazvo unodzoreredza giredhi rezvinhu zvinowanzo kuyerwa neOxygen Index: Oxygen Index> Iyo yeokisioxgen Index yeChinese Polyurethane Elastic zvinyorwa ndeye 19-20, ndeipi yezvinyorwa zvinopisa. Kana polyurethene inoshandiswa mune fenicha, kuvaka, mota, dzimba dzekuvira, dzinofanira kusangana nemurazvo unodzora zviyero pamusoro peClass II. Naizvozvo, murazvo unodzoreredza unoshandiswa zvakanyanya muPolyurethane zvigadzirwa, uye ndiyo yakanyanya kunaka yeiyo yakaoma, accounting kweanenge 1/3 yehuwandu hwehuwandu hwePolyurethane. Murazvo unodzora zvakakamurwa muINorganic uye organic mapoka miviri, Boron, zvakashata Density, kune kuyerwa, kutakura, kusanganisa zvishandiso kunoisa kumberi zvinodiwa zvakanyanya, kushandiswa hakusi nyore.
Macemical emakemikari eMakemikari eAuxiltes anotamba chakakosha basa mumunda wemakemikari akanaka. Kunyangwe iyo huwandu huri hombe, kune akawanda marudzi, zvinoshandiswa zvakanyanya uye zvakakwirira zvinowedzerwa kukosha. Makambani mazhinji ari pamba uye kune dzimwe nyika anozvipira kukudziridza maitiro matsva, kunyanya anoshanda eAuxility. Polyurethane ndeyekubuda kwezuva reSunsita, kuita kwakakwana kwakanaka, chiyero chekushandisa chiri kuwedzera.
Qingdao yinheley mitsva midziyo yakazvipira kukudziridzwa uye kugadzirwa kweanonyora polymer anowedzera, akadai seAndiyoxidants, UV inobata, mwenje inodzoreredzwa, rombo rakawanda remaginiya engineering mapurasitiki.
Tikugashirei kubvunza:yihoo@yihoopolymer.com
Kutumira Nguva: Kubvumbi-12-2023