Takaitawa:Wani sabon nau'in foda na roba da aka yi amfani da shi don inganta kayan aikin injiniya na AS resin irin su juriya mai tasiri, ƙara ƙarfin samfurin da inganta aikin tsufa na samfurin-ASA roba foda JCS-887, amfani da AS resin injection molding.Yana da samfur na core-harsashi emulsion polymerization kuma yana da kyau dacewa da AS resin.Zai iya inganta kayan aikin injiniya na samfurin ba tare da rage aikin tsufa na samfurin ba kuma ana amfani dashi a cikin gyaran allura.
Mahimman kalmomi:AS guduro, ASA roba foda, inji Properties, weathering juriya, allura gyare-gyare.
ta:Zhang Shiqi
adireshin:Shandong Jinchangshu New Material Technology Co., Ltd., Weifang, Shandong
1 Gabatarwa
Gabaɗaya, resin ASA, terpolymer wanda ya ƙunshi acrylate-styrene-acrylonitrile, ana shirya shi ta hanyar grafting styrene da acrylonitrile polymers cikin roba acrylic kuma ana amfani dashi a cikin sassan lantarki na waje, kayan gini, da kayan wasanni saboda kyawawan kaddarorinsa, gami da juriya na yanayi. , juriya na sinadarai, da iya aiki.Duk da haka, yin amfani da resin ASA a cikin kayan da ke buƙatar launuka kamar ja, rawaya, kore, da dai sauransu yana da iyaka saboda styrene da acrylonitrile mahadi ba su da kyau sosai a cikin robar acrylate yayin shirye-shiryensa kuma suna fallasa robar acrylate da ke ciki, wanda ya haifar da shi. rashin daidaituwa launi da saura mai sheki.Musamman ma, fihirisar gyare-gyare na monomers da aka yi amfani da su don shirya resin ASA sune 1.460 don butyl acrylate, 1.518 don acrylonitrile, da 1.590 don styrene, irin wannan akwai babban bambanci tsakanin ma'anar refractive na acrylate roba da aka yi amfani da shi azaman asali da kuma na asali. refractive index na mahadi grafted a cikinta.Saboda haka, resin ASA yana da ƙarancin daidaita launi.Tunda guduro ASA ba shi da kyau kuma mara kyau na kayan inji kamar tasirin tasiri da ƙarfin juzu'i na guduro mai tsafta, wannan yana kawo mu ga jagorar R&D na yanzu da hanyar R&D.
Abubuwan da aka haɗa na thermoplastic gama gari a halin yanzu akwai acrylonitrile-butadiene-styrene (ABS) polymers waɗanda aka haɗa tare da roba azaman polymers na butadiene.ABS polymers suna da ƙarfin tasiri mai kyau ko da a yanayin zafi sosai, amma suna da mummunan yanayi da juriya na tsufa.Sabili da haka, ya zama dole don cire ƙwayoyin ethylene da ba su da tushe daga copolymers graft don shirya resins tare da ƙarfin tasiri mai kyau tare da kyakkyawan yanayin yanayi da juriya na tsufa.
ASA roba foda JCS-887 wanda kamfaninmu ya haɓaka ya fi dacewa da resin AS, kuma yana da fa'idodin juriya mai ƙarfi, ingantaccen aikin sarrafawa, ingantaccen juriya na yanayi, da haɓaka ƙarfin samfur.Ana shafa shi a cikin gyaran allurar guduro na AS.
2 Shawarwari sashi
AS resin/ASA roba foda JCS-887=7/3, wato ga kowane sassa 100 na AS resin alloy, yana kunshe da sassa 70 na resin AS, da sassa 30 na ASA roba foda JCS-887.
3 Kwatankwacin aiki tare da gida da waje na al'ada ASA roba foda
1. An shirya alloy resin AS bisa ga dabara a cikin Tebur 1 da ke ƙasa.
Tebur 1
| Tsarin tsari | |
| Nau'in | Mass/g |
| AS Resin | 280 |
| AS Rubber foda JCS-887 | 120 |
| Maganin shafawa | 4 |
| Wakilin dacewa | 2.4 |
| Antioxidant | 1.2 |
2. Sarrafa matakai na AS resin alloy: Haɗa dabarar da ke sama, ƙara fili a cikin granulator don fara haɗuwa da granules, sa'an nan kuma sanya granules a cikin injin gyare-gyaren allura don gyare-gyaren allura.
3. Gwaji don kwatanta kayan aikin injiniya na sassan samfurin bayan gyaran allura.
4. Kwatancen wasan kwaikwayon tsakanin ASA roba foda JCS-887 da samfurori na kasashen waje an nuna su a cikin Table 2 da ke ƙasa.
Table 2
| Abu | Hanyar gwaji | Yanayin gwaji | Naúrar | Fihirisar fasaha (JCS-887) | Fihirisar fasaha (samfurin kwatance) |
| Vicat zazzabi mai laushi | GB/T 1633 | B120 | ℃ | 90.2 | 90.0 |
| Ƙarfin ƙarfi | GB/T 1040 | 10mm/min | MPa | 34 | 37 |
| Ƙunƙarar ƙarfi a lokacin hutu | GB/T 1040 | 10mm/min | % | 4.8 | 4.8 |
| Karfin lankwasawa | GB/T 9341 | 1mm/min | MPa | 57 | 63 |
| Lankwasawa modules na elasticity | GB/T 9341 | 1mm/min | GPA | 2169 | 2189 |
| Ƙarfin tasiri | GB/T 1843 | 1A | KJ/m2 | 10.5 | 8.1 |
| Taurin teku | GB/T 2411 | Shore D | 88 | 88 |
4 Kammalawa
Bayan tabbatarwa na gwaji, ASA roba foda JCS-887 wanda kamfaninmu ya samar da kuma AS resin injection gyare-gyare, an inganta duk abubuwan da ke cikin kayan aikin injiniya, kuma a cikin dukkan bangarori ba su da ƙasa da sauran foda na roba a gida da waje.
Lokacin aikawa: Juni-20-2022