Mechanical properties of woven glass fabric reinforced in situ polymerized poly(butylene terephthalate) composites

Ishak, Z. A. Mohd; Leong, Yew Wei; Steeg, M.; Karger‐Kocsis, J.

doi:10.1016/j.compscitech.2006.09.012

Cited by 83 publications

(45 citation statements)

References 18 publications

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“…The interlaminar shear strength (ILSS) for carbon/pCBT composites was determined from the load-displacement curves and listed in Table 2. As shown in Table 2, for the sample of T c = 210°C displayed the highest ILSS: 59.7 MPa, which was much higher than those obtained from the glass/pCBT composites (34.3 MPa) [16]. Remember that the transcrystalline morphology and cohesive failure were found in all the carbon/pCBT composite samples.…”

Section: Effects Of T C On the Mechanical Properties Of Carbon/pcbt Cmentioning

confidence: 86%

“…Parton and Verpoest et al [3,12] studied unidirectional glass fiber reinforced pCBT composites using resin transfer molding (RTM) technique. They found that the polymerized CBT was much more brittle than normal PBT due to large and perfect crystals growth, when pCBT has been processed under isothermal RTM processing conditions (polymerization category of type I) [12,16]. The matrix brittleness weakens the matrix and lowers the transverse strength of the unidirectional composite.…”

Section: Introductionmentioning

confidence: 99%

“…The pCBT/PCL copolymer creates a much tougher material, whether it is unfilled or a glass fiber reinforced composite. Mohd Ishak et al [16] prepared woven glass fabric reinforced pCBT composites using a compression mold technique. The results showed that low viscosity CBT facilitates the penetration of the resin through the fabric and also exhibits strong interfacial properties.…”

Section: Introductionmentioning

confidence: 99%

“…A non-isothermal method prepared basalt fiber reinforced pCBT composites was reported [26] and the results found that a fast cooling process led to less perfect crystals in the pCBT matrix and toughened the pCBT composites. So far glass [3,16,18,[24][25][26], basalt [27] and carbon [28][29][30] fibers have been used as reinforcement in pCBT composites and evaluated its reinforcing effects by many researcher. However, effects of crystalline morphology on the mechanical properties of the carbon/pCBT composites have not been yet examined.…”

Section: Introductionmentioning

confidence: 99%

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Effects of crystalline morphologies on the mechanical properties of carbon fiber reinforcing polymerized cyclic butylene terephthalate composites

Yu¹,

Wu²,

Chang³

et al. 2012

Express Polym. Lett.

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Abstract. Carbon/polymerized cyclic butylene terephthalate (pCBT) composites were prepared through a modified film stacking technique. Three crystalline morphologies of carbon/pCBT composites were obtained at different crystallization temperatures. Tensile, flexural, short beam shear and impact tests were conducted. The low crystallinity carbon/pCBT samples were crystallized at 185°C with spherulitic structure which leads to form the large area spherulite/transcrystalline boundary regions. Consequently, the crack initiated and propagated along with 'weak' spherulite/transcrystalline boundary regions, which were resulted low mechanical properties. Carbon/pCBT sample crystallized at 210°C with high crystallinity and highly disordered spherulitic crystallites without spherulite/transcrystalline boundary lines or boundary crystals exhibits the highest mechanical properties.

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Section: Effects Of T C On the Mechanical Properties Of Carbon/pcbt Cmentioning

confidence: 86%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Effects of crystalline morphologies on the mechanical properties of carbon fiber reinforcing polymerized cyclic butylene terephthalate composites

Yu¹,

Wu²,

Chang³

et al. 2012

Express Polym. Lett.

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show abstract

“…This makes CBT a suitable matrix material of various micro- [3,4] and nanocomposites [5,6]. Further advantage of CBT as a matrix material for composites is linked with its very low melt viscosity, which facilitates the appropriate impregnation of the reinforcing structure.…”

Section: Introductionmentioning

confidence: 99%

Effect of Cyclic Butylene Terephthalate Oligomer on the Properties of Styrene-Butadiene and Acrylonitrile-Butadiene Rubbers

Halász

Bárány

2017

Period. Polytech. Chem. Eng.

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In this work the effect of cyclic butylene terephthalate (CBT) was studied on the curing, rheological, morphological and mechanical properties of styrene butadiene rubber (SBR) IntroductionProperties of rubbers can be tailored upon requirements for a wide range of application fields. Their ability to withstand large deformation both under compression and tension without cracking and their damping capability are those specific features which are exploited in products' design. However, these noteworthy and outstanding properties over plastics are accompanied by some drawbacks, such as complex compound formulations and complicated processing. A wide variety of rubbers and additives are used in rubber industry to adjust the performance of compounds to meet given specifications. Further, the effects of certain additives are adverse to those of others. Therefore, to reach balanced properties (e.g. mechanical behaviour, wear resistance, processability) is a very challenging task. Cured unfilled synthetic rubbers show poor mechanical and wear properties, therefore various fillers (usually inorganic mineral fillers and carbon black) -among others -are incorporated into the recipes. Regrettably, these fillers significantly increase the viscosity of the rubber mixtures, thereby hampering their processability. In order to compensate this issue various types of processing aids and plasticizers are used. However, usually they have a negative effect on the mechanical properties. The application of an additive lacking this opposing effect would have great research potential. Our research strategy was to find an additive which is able to reduce the viscosity of the uncured compounds significantly and works as reinforcement in the cured rubber.Cyclic butylene terephthalate oligomer (CBT) is a cyclic oligoester that polymerizes in situ in the presence of suitable catalysts at high temperatures (>140°C) via ring-opening polymerization [1,2]. This makes CBT a suitable matrix material of various micro- [3,4] and nanocomposites [5,6]. Further advantage of CBT as a matrix material for composites is linked with its very low melt viscosity, which facilitates the appropriate impregnation of the reinforcing structure. However, the polymerized cyclic butylene terephthalate (pCBT) is more brittle than conventional polybutylene terephthalate (PBT) produced by polycondensation. This is caused by the fact that pCBT exhibits higher molecular weight and crystallinity than PBT.

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Thermoplastic Composite Manufacturing Cost Analysis

Maffezzoli

Gennaro

Greco

2012

Wiley Encyclopedia of Composites

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Continuous fiber‐reinforced thermoplastics (CFTs) present some key advantages over thermosetting matrix composites, being characterized by recyclability, indefinite shelf life, and a significant potential for high volume production, associated with low costs. Short and long fiber‐reinforced thermoplastics obtained mainly using commodity polymer as matrices are already widely used in low technology applications. CFT applications are still limited, although in some cases notably for their technological value. This arises either from very high raw material costs or from not fully assessed processing routes. This review essentially focuses on the cost issues associated with the production of CFT parts in comparison with thermosetting matrix composites characterized by similar properties. Some cost models are reviewed, and the relationship between performances and costs is highlighted as a key feature for the choice of CFT. Their use in substitution of thermosetting matrix composites and metals is strictly related to raw materials cost, manufacturability at cost‐effective conditions, and availability of design data and test methodologies. CFT, characterized by shorter processing time than those required for thermosetting matrix composites, already offers promising solutions in many applications.

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Mechanical properties of woven glass fabric reinforced in situ polymerized poly(butylene terephthalate) composites

Cited by 83 publications

References 18 publications

Effects of crystalline morphologies on the mechanical properties of carbon fiber reinforcing polymerized cyclic butylene terephthalate composites

Effects of crystalline morphologies on the mechanical properties of carbon fiber reinforcing polymerized cyclic butylene terephthalate composites

Effect of Cyclic Butylene Terephthalate Oligomer on the Properties of Styrene-Butadiene and Acrylonitrile-Butadiene Rubbers

Thermoplastic Composite Manufacturing Cost Analysis

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