Investigation of Different Uv Stabilizer Effects on Hdpe Grades

dc.contributor.advisor Şeker, Erol
dc.contributor.author Germen, Oktay
dc.date.accessioned 2019-12-13T06:57:36Z
dc.date.available 2019-12-13T06:57:36Z
dc.date.issued 2019
dc.description Thesis (Master)--Izmir Institute of Technology, Chemical Engineering, Izmir, 2019 en_US
dc.description Includes bibliographical references (leaves: 43-44) en_US
dc.description Text in English; Abstract: Turkish and English en_US
dc.description.abstract In this study, a performance Hindered Amin Light Stabilizer (HALS), used to prevent the structure of polymeric materials from UV and thermal degradation, was investigated using High Density Polyethylene (HDPE) injection grade. The primary goal of this study is to understand the effects of different HALS types, that consist of low molecular mass and high molecular mass, on mechanical and physical properties of HDPE using a design of experiment method. In addition, Minitab program was used to analyze the data, obtained with the experimental design, with ANOVA analyses to estimate the OIT and Loss Elongation% responses of the samples made with varying HALS amounts and types. Briefly, Elongation Lost% which is the ratio of Elongation% Before Aging to Elongation % After Aging and OIT(Oxidative Induction Time) were studied in different recipes of HDPE Injection Molding Plaque specimens in order to measure the effect of HALS1 (Tin770), HALS2(Tin622) and HALS3(Chim944) on aging. One-year of aging was simulated using a standard aging chamber. It was observed that synergetic effect of HALS1 with HALS3 was much more effective than thatof HALS2 with HALS3. Moreover, it was determined that the samples containing antioxidant which did not contain any HALS additive were completely degraded at the end of the same aging process. This study showed that OIT results of samples were affected directly by the amount of HALS3 which protected the polymer against long-term exposure to UV radiation and high temperature whereas neither HALS1 nor HALS2 showed the same protection. en_US
dc.description.abstract Bu çalışmada, polimerik malzemeleri, UV bozunma ve termal bozunmadan koruyan Hindered Amin Işık Stabilzanlarının (HALS), YYPE (Yüksek Yoğunluk Polietilen) enjeksiyonluk türündeki performansı incelenmiştir. Çalışmanın ana amacı, düşük ve yüksek molekül ağırlığına sahip HALS türlerinin, YYPE'nin fiziksel ve mekanik özelliklerine etkisidir. Ayrıca, Minitab programı yardımıyla, istatistiksel yöntemlerden faydananılarak, farklı HALS reçeteleriyle (bağımsız değişkenler), OIT(Oksijenle Indüklenme Süresi) ve Uzama Kaybı%'ni tahmin etmek için regresyon denklemleri üretilmiştir. HALS1 (Tin770), HALS2(Tin622) and HALS3(Chim944)'ün, değişik reçetelerde hazırlanmış YYPE Enjeksiyonla kalıplanmış plaka numunelerine etkisi Yaşlandırma Sonrası Uzama%'nın Yaşlandırma Öncesi Uzama %'ya oranı olan Uzama Kaybı% ve OIT analizleriyle çalışılmıştır. Bir yıllık yaşlandırma simule edilmiştir. HALS1'in HALS3 ile sinerjetik etkisinin, HALS2'nin HALS3 ile sinerjetik etkisinden çok daha güçlü olduğu görülmüştür. Ayrıca, herhangi bir HALS katkı maddesi içermeyen ancak antioksidan içeren numunelerin yaşlandırmanın sonunda tamamen bozulduğu tespit edilmiştir. Bu çalışma, HALS1 ve HALS2 katkılarından ziyade, polimeri uzun vadeli şiddetli koşullara (UV radyasyonu, yüksek sıcaklık) koruyan HALS3 miktarının, numunelerin OIT sonuçları üzerinde direk etkili olduğunu göstermiştir. en_US
dc.format.extent x, 44 leaves
dc.identifier.citation Germen, O. (2019).Investigation of different UV stabilizer effects on HDPE grades.Unpublished master's thesis, İzmir Institute of Technology, İzmir, Turkey en_US
dc.identifier.uri https://hdl.handle.net/11147/7472
dc.language.iso en en_US
dc.publisher Izmir Institute of Technology en_US
dc.rights info:eu-repo/semantics/openAccess en_US
dc.subject HALS en_US
dc.subject High density polyethylene en_US
dc.subject Polymers en_US
dc.subject UV stabilization en_US
dc.subject Plastic materials en_US
dc.title Investigation of Different Uv Stabilizer Effects on Hdpe Grades en_US
dc.title.alternative Yype Türlerinde Farklı Uv Stabilizer Katkıların Etkilerinin İncelenmesi en_US
dc.type Master Thesis en_US
dspace.entity.type Publication
gdc.author.institutional Germen, Oktay
gdc.coar.access open access
gdc.coar.type text::thesis::master thesis
gdc.description.department Thesis (Master)--İzmir Institute of Technology, Chemical Engineering en_US
gdc.description.publicationcategory Tez en_US
gdc.description.scopusquality N/A
gdc.description.wosquality N/A
relation.isAuthorOfPublication.latestForDiscovery 9cd609c1-0abd-471c-bc86-0a3b835c3120
relation.isOrgUnitOfPublication.latestForDiscovery 9af2b05f-28ac-4021-8abe-a4dfe192da5e

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