Takaitawa:Wani sabon nau'in foda da aka yi amfani da shi don inganta kayan aikin injiniya na AS resin kamar tasiri mai tasiri, ƙara ƙarfin samfurin da inganta aikin tsufa na samfurin-ASA foda JCS-885, wanda aka yi amfani da shi zuwa 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 gyare-gyaren allura.
Mahimman kalmomi:AS guduro, ASA foda, inji Properties, weathering juriya, allura gyare-gyare.
By:Zhang Shiqi, Shandong Jinchangshu New Material Technology Co., Ltd., Weifang, Shandong
1 Gabatarwa
Gabaɗaya, ASA resin, 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 ya sami 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.Don 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 yau da kullun na thermoplastic a halin yanzu akwai acrylonitrile-butadiene-styrene (ABS) polymers waɗanda aka haɗa tare da roba azaman polymers na butadiene.ABS polymers suna da kyakkyawan tasiri mai ƙarfi ko da a yanayin zafi sosai, amma suna da ƙarancin yanayi da juriya na tsufa.Sabili da haka, ya zama dole don cire ethylene polymers ba tare da izini ba daga copolymers graft don shirya resins tare da ingantaccen ƙarfin tasiri tare da kyakkyawan yanayin yanayi da juriya na tsufa.
ASA foda JCS-885 wanda kamfaninmu ya haɓaka ya fi dacewa da resin AS, kuma yana da fa'idodi na juriya mai girma, ingantaccen aikin sarrafawa, kyakkyawan juriya na yanayi, da haɓaka ƙarfin samfur.Ana shafa shi a cikin gyaran allurar guduro na AS.
2 Shawarwari sashi
AS resin/ASA foda JCS-885=7/3, wato, ga kowane sassa 100 na AS resin alloy, ya ƙunshi sassa 70 na resin AS, da sassa 30 na ASA foda JCS-885.
3 Kwatankwacin aiki tare da na gida da na waje na al'ada ASA foda
1. An shirya alloy na resin AS bisa ga dabara a cikin Tebu 1 da ke ƙasa.
Tebur 1
| Tsarin tsari | |
| Nau'in | Mass/g |
| AS Resin | 280 |
| ASA Powder JCS-885 | 120 |
| Formula mai shafawa | 4 |
| Wakilin Daidaitawa | 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 foda JCS-885 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-885) | Fihirisar Fasaha (Samfanin Kwatancen) |
| Zazzabi mai laushi na Vicat | GB/T 1633 | B120 | ℃ | 90.2 | 90.0 |
| Ƙarfin Ƙarfi | GB/T 1040 | 10mm/min | MPa | 34 | 37 |
| Tsawancin Tsayi a Karshe | GB/T 1040 | 10mm/min | % | 4.8 | 4.8 |
| Karfin Lankwasa | GB/T 9341 | 1mm/min | MPa | 57 | 63 |
| Lankwasawa Modulus na Ƙarfafawa | 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 foda JCS-885 wanda kamfaninmu ya samar da kuma AS resin injection gyare-gyare, an inganta duk abubuwan da ke cikin kayan aikin injiniya, kuma a cikin dukkanin bangarori ba su da ƙasa da sauran foda a gida da waje.
Lokacin aikawa: Juni-18-2022