Performance of Polyamide-6 /Wollastonite / Kaolin Hybrid Composites

Ünal, Engin

doi:10.1515/secm.2002.10.6.407

Cited by 3 publications

(3 citation statements)

References 15 publications

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“…Ancak, poliamidlerin düşük çatlak ilerleme direnci, oldukça düşük ısıl deformasyon sıcaklığı, yüksek oranda su emmesi, ölçüsel kararsızlığı ve yüksek fiyatı nedenleriyle yapısal uygulamalarda kullanımı sınırlanmaktadır [3,4]. Son yıllarda, poliamidlerin özelliklerini geliştirmek için bünyelerine cam küre [5-7], kalsiyum karbonat (CaCO3) [2], kaolin [8][9], vollastonit [1,4,9] ve talk [1, 10] gibi inorganik katkılar ilave edilmektedir. Kalsiyum karbonat ve talk gibi geleneksel dolgu maddeleri rijit ve hafif malzemeler üretiminde ümit verici bir etkiye sahiptir.…”

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“…Vollastonit mineralinin diğer partiküller ile karşılaştırıldığında yüksek fiyata sahip olması ise dezavantajıdır. Kaolin minerali ise plaka benzeri bir yapıya sahiptir ve darbe mukavemeti, boyutsal kararlılık, ısıl deformasyon sıcaklığı ve iyi bir yüzey görünümü için optimum bir denge sağlamaktadır [9].…”

Section: öZunclassified

“…Bu artış, PA-6/10vollastonit kompoziti için %61.3 oranında iken PA6/10 kaolin kompoziti için %47.2 oranında elde edilmiştir. Bunun nedeni, daha rijit olan katkı partiküllerinin poliamid polimerinin yerini alması ve katkıların poliamid polimerinin deformasyonunu ve zincir hareketliliğini kısıtlamasıdır [9]. Kodal ve arkadaşları da [1] mekanik özelliklerdeki artışı, matris içerisindeki katkıların homojen olarak dağılmasına ve polimer zincir hareketinin kısıtlanmasına bağlamışlardır.…”

Section: çEkme Testi Sonuçlarıunclassified

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Vollastonit ve kaolin katkılı poliamid-6 esaslı kompozitlerin mekanik ve tribolojik performanslarının belirlenmesi

Ünal¹,

Yetgin

2020

Balıkesir Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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In this experimental study, mechanical and tribological behaviors of unfilled polyamide-6 (PA-6) polymer, 10wt.% of wollastonite and 10wt.% kaolin filled polyamide-6 based polymer composites have been studied. Polyamide-6 based polymer composites are produced in granular form on an industrial twin screw extruder machine. The mechanical and tribological test samples used in the experiments were molded using a conventional type an injection molding machine. The wear and friction behaviors of unfilled PA-6 polymer and PA-6 composites were carried out in the pindisc wear device and under dry sliding conditions. Wear and friction behaviors were performed at a sliding speed of 0.5 m/s and under the loads of 60N, 120N and 180N. As a result of the study, when wollastonite and kaolin additives are added to the PA-6 based polymer, tensile strength and elastic modulus values of composite materials increase while coefficient of friction and specific wear rate values decrease. In addition, both coefficient of friction and specific wear rate values of all materials used decreased with the increase in applied load in tribological tests.

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Vollastonit ve kaolin katkılı poliamid-6 esaslı kompozitlerin mekanik ve tribolojik performanslarının belirlenmesi

Ünal¹,

Yetgin

2020

Balıkesir Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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Synergistic effect of melamine polyphosphate with macromolecular charring agent novolac in wollastonite filled PA66

Zhang

Liu

Wang

2009

J of Applied Polymer Sci

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In this article, macromolecular charring agent linear novolac (NA) was served as a synergist with nitrogen-phosphorous flame retardant melamine polyphosphate (MPP) for the flame-resistance of wollastonite (WT) filled polyamide 66 (PA66). The investigations showed that MPP/NA system possessed obvious synergistic effects by increasing the charring rate and amount, therefore, showing much higher flame retardancy than the filled PA66 flame retarded with MPP alone. The corresponding char layer structure of MPP/WT/PA66 and MPP/NA/WT/PA66 was investigated and their difference was analyzed. In addition, as a multifunctional additive, NA could act as a compatibilizer and lubricant in the system, and endowed the material with improved mechanical performance and processability.

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Review on nano‐and microfiller‐based polyamide 6 hybrid composite: Effect on mechanical properties and morphology

Ghanta

Aparna

N.K.Verma

et al. 2020

Polymer Engineering & Sci

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Polyamide 6 (PA6)-based composites are of evolving interest due to its high strength, wear resistance, and barrier properties. The use of binary composites mostly with nanomaterial and glass fibers has been reviewed and presented in literature. However to obtain a balance of properties like stiffness, toughness, and strength along with cost reduction, ternary composites of PA6 have been designed. To achieve the balance, PA6 blend-based composites, with combination of microfiller/nanofiller or PA6 with combination micro-microfiller, PA6 with microfiller/nanofiller and fiber have been designed. The properties of PA6-based ternary hybrid composites depend on type of dispersed phase used, presence of compatibilizer, type of filler used (nanofiller or microfiller or fiber or hybrid) and combination of fillers used. However, a review in this direction is not available in literature. Here, in this study, an overall understanding of various fillers, dispersed phase, and their combinations can be understood along with the discussion on effect of these on tensile properties and

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Performance of Polyamide-6 /Wollastonite / Kaolin Hybrid Composites

Cited by 3 publications

References 15 publications

Vollastonit ve kaolin katkılı poliamid-6 esaslı kompozitlerin mekanik ve tribolojik performanslarının belirlenmesi

Vollastonit ve kaolin katkılı poliamid-6 esaslı kompozitlerin mekanik ve tribolojik performanslarının belirlenmesi

Synergistic effect of melamine polyphosphate with macromolecular charring agent novolac in wollastonite filled PA66

Review on nano‐and microfiller‐based polyamide 6 hybrid composite: Effect on mechanical properties and morphology

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