Kenaf‐fiber‐reinforced poly(lactic acid) used for electronic products

Serizawa, Shin; Inoue, Kentaro; Iji, Masatoshi

doi:10.1002/app.23377

Cited by 203 publications

(121 citation statements)

References 13 publications

(12 reference statements)

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“…SEM analyses have revealed that in the recycled PP-based composites, an even better effect of polymer/ fiber interactions is achieved. The obtained results for composite's flexural strength and modulus produced from the recycled PP based composites, both with kenaf fibers or rice hulls, are comparable to the conventional formaldehyde wood medium density fiberboards [17] .…”

Section: Discussionmentioning

confidence: 63%

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Utilization of Recycled Polypropylene for Production of Eco-Composites

Srebrenkoska

Bogoeva‐Gaceva

Avella

et al. 2009

Polymer-Plastics Technology and Engineering

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Renewable raw materials and recyclable thermoplastic polymers provide attractive eco-friendly quality as well as environmental sustainability to the resulting natural fiber reinforced composites. We studied the possibility of using the recycled polypropylene (PP) for production of composites based on kenaf fibers (KF) and rice hulls (RH) as reinforcements. Polypropylene/rice-hulls (PP/ RH/CA) and polypropylene/kenaf (PP/K/CA) composites with 30% fiber (filler) content and appropriate compatibilizing agent (CA)-a maleic anhydride grafted PP (MAPP), have been prepared by two steps procedure: melt mixing and compression molding. Flexural strength and thermal stability of the composites with recycled PP were similar to those with neat PP. The composites reinforced with kenaf fibers have shown better properties than those based on rice hulls. The flexural strength of the composite sample with recycled PP is 51.3 MPa in comparison with 51.1 MPa for the composite with neat PP. Degradation temperatures of neat and composite with recycled PP at residual weight 90% are 344.4 C and 343.5 C, respectively. The results obtained report the possibility of utilization of recycled PP for the production of natural reinforcements based composites with good mechanical characteristics for using as construction building materials in housing systems.

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Section: Discussionmentioning

confidence: 63%

“…Serizawa et al [17] has studied the recycling properties of PLA/kenaf composite. The physical properties and molecular weight were held close to 90% of that of the initial PLA/kenaf composites.…”

Section: Results and Discussion Mechanical Analysismentioning

confidence: 99%

Utilization of Recycled Polypropylene for Production of Eco-Composites

Srebrenkoska

Bogoeva‐Gaceva

Avella

et al. 2009

Polymer-Plastics Technology and Engineering

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“…PA6 (Amilan CM1007) was supplied by Toray Industries (Japan). Three types of PE, which were manufactured by Japan Polyethylene Corporation (Japan), were used as impact modifiers, high-density PE (HDPE; product name: HJ490; density: 0.96 g/cm 3 ; melting point (m. C) were applied for investigating the effect of the interfacial state between cardanol-bonded cellulose thermoplastic and olefin resins. Incidentally, the above acid values indicate the weights of potassium hydroxide (KOH), which were needed for neutralizing the acid ingredients in 1 g of MAH-PP; therefore, MAH-PP with higher acid values show higher polarities.…”

Section: Methodsmentioning

confidence: 99%

Improvement in impact strength of modified cardanol‐bonded cellulose thermoplastic resin by using olefin resins

Kiuchi¹,

Soyama²,

Iji³

et al. 2013

J of Applied Polymer Sci

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Impact strength of a modified cardanol-bonded cellulose thermoplastic resin was greatly improved by using a small amount of olefin resins. As we showed, this thermoplastic resin (3-pentadecylphenoxy acetic acid (PAA)-bonded cellulose diacetate (CDA): PAA-bonded CDA) exhibited high practical properties such as bending strength, heat resistance, and water resistance. However, its impact strength was insufficient for use in durable products. We improved the impact strength of PAA-bonded CDA by adding hydrophobic olefin resins, such as polyethylene or polypropylene, while maintaining good bending strength and breaking strain. Furthermore, the application of olefin resins also increased water resistance and fluidity. V C 2013Polym. Sci. 2014, 131, 39829.

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“…These materials could allow complete degradation in soil or by composting process and do not emit any toxic or noxious component [1,2]. Many investigations have been made on the potential use of different natural fi bers as reinforcements for eco-composites (composite material with environmental and ecological advantages over conventional composites) and the results have shown that they exhibit good stiffness and promising properties [1,2,3,4,5,6,7,8]. Natural fi bers from renewable sources represent environmentally friendly alternative to conventional reinforcing fi bers (glass, carbon, kevlar).…”

Section: Introductionmentioning

confidence: 99%

“…Pure PLA can degrade to carbon dioxide, water and methane in the environment over a period of several months up to 2 years, compared to other petroleum plastics needing longer periods [3,4,6]. The mechanical properties of PLA have been extensively studied as a biomaterial in medicine, but only recently it has been used as a polymer matrix in eco-composites [7], although its application is still limited by its relatively high price when compared to some other biodegradable polymers. Kenaf fi bers have been already tested as natural reinforcement for polyolefi nes, but there is an even growing interest on the preparation of biocomposites [13,14].…”

Section: Introductionmentioning

confidence: 99%

Biocomposites Based on Poly (Lactic Acid) and Their Recyclability

Srebrenkoska

Bogoeva‐Gaceva

2011

QOL

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Biodegradable poly (lactic acid) (PLA) based biocomposites reinforced with rice hulls were prepared by compression molding and their properties were compared to those of commonly used thermoplastic based-polymer, polypropylene (PP) containing the same reinforcements.Rice hulls from rice processing plants represent renewable sources that could be utilized for production of new class of eco-materials. In this study, rice-hulls-fi lled poly (lactic acid) (PLA) biocomposites were prepared through addition of 5 wt. % PLA-grafted-MA (CA) for enhancement of adhesion between polymer matrix and natural fi ller. The composites containing 30% wt. rice hulls (RH) were prepared and the possibility of recycling and reuse of these biocomposites were investigated. For all biocomposites, the mechanical and thermal properties were analyzed and compared to those of commonly used thermoplastic based-polymer, polypropylene (PP) containing the same reinforcement. Thermal stability of neat biocomposites and of the new composites produced from recycled ones was practically unchanged. Utilization of the mixture obtained after the thermal-mechanical recycling of the whole biocomposite has resulted into composite with slightly increased fl exural modulus and decreased fl exural strength.The obtained results have shown that rice-hull-fi lled poly(lactic acid) biocomposites could be recycled and utilized for production of new eco-materials with acceptable thermal and mechanical properties. Namely, the results for fl exural strength and modulus of the recycled biocomposite samples are comparable to those of conventional formaldehyde wood medium density fi berboards used as construction elements for indoor applications.

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Kenaf‐fiber‐reinforced poly(lactic acid) used for electronic products

Cited by 203 publications

References 13 publications

Utilization of Recycled Polypropylene for Production of Eco-Composites

Utilization of Recycled Polypropylene for Production of Eco-Composites

Improvement in impact strength of modified cardanol‐bonded cellulose thermoplastic resin by using olefin resins

Biocomposites Based on Poly (Lactic Acid) and Their Recyclability

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