Journal ArticleDOI
Bridging the gap between rubbers and plastics: a review on thermoplastic polyolefin elastomers
TLDR
In this article, a wide scope of thermoplastic polyolefin elastomers (TPO/TPE-O) is studied for their unique properties of being easily processes and recycled.Abstract:
Thermoplastic elastomers (TPE) are studied for their unique properties of being easily processes and recycled. This paper focuses on the wide scope of thermoplastic polyolefin elastomers (TPO/TPE-O) which is one of the major classes of TPE. The performance of TPO is the cumulative effect of polyolefins and rubbers with the ease of processing due to the presence of thermoplastics. The study focuses on the classification of TPO, their routes of synthesis, composites, applications, and its impact on environment. The mechanical blending of polyolefins and conventional rubber was carried out to manufacture TPO. In further developments, the polyolefin elastomers (POE) were synthesized by copolymerization techniques to overcome the drawback of mechanical blending techniques. Environment-friendly blends of TPO are synthesized using industrial and municipal waste which includes scrap rubber tires, marble waste-filled polypropylene, computer body waste, etc. This technology will help in reducing the issue of landfills. The composites of TPO have been studied using different types of fillers which may be synthetic or bio-based. These include talc, carbon black, carbon nanotubes (CNT), Kenaf fiber, pineapple leaf fiber, etc. TPO have found their use in encapsulation, in electrical insulation, roofing, medical devices, and the automobile industry. Also, impact of using TPOs on environment is discussed here qualitatively.read more
Citations
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Journal ArticleDOI
Plastic Waste Management in India: Challenges, Opportunities, and Roadmap for Circular Economy
Rumana Hossain,Md. Tasbirul Islam,Riya Shanker,Debishree Khan,Katherine E. S. Locock,Anirban Ghose,Heinz Schandl,Rita Dhodapkar,Veena Sahajwalla +8 more
TL;DR: In this article , the authors focused on current plastic production, consumption, and waste generation in India and mainly analyzed data and information regarding Indian PW management and highlighted some critical issues such as reverse supply chain, effective PW management, source-specific recovery, and PW rules.
Journal ArticleDOI
Chemically crosslinked crystalline thermoplastic polyolefin elastomer with good elasticity and improved thermo-mechanical properties
Yongsheng Zhao,Yuqi Ma,Youhao Xiong,Tian Qin,Yanling Zhu,Hua Deng,Jianbin Qin,Xue-Ting Shi,Guangcheng Zhang +8 more
TL;DR: In this article , peroxide-induced melt crosslinking was conducted to fabricate olefin block copolymer (OBC) elastomers with two types of crosslinks.
Journal ArticleDOI
Preparation and study of mechanical and thermal properties of silicone rubber/poly(styrene–ethylene butylene–styrene) triblock copolymer blends
Journal ArticleDOI
Transition Metal–(μ-Cl)–Aluminum Bonding in α-Olefin and Diene Chemistry
TL;DR: In this article , a review of the role of M−(μ-Cl)−Al species in the Ziegler-Natta process is presented, through the prism of the further development of the Natta process and beyond.
Journal ArticleDOI
Synthesis of Ultra-High Molecular Weight Polyethylene Elastomers by para-tert-Butyl Dibenzhydryl Functionalized α-Diimne Nickel Catalysts at Elevated Temperature
TL;DR: In this paper , α-diimine nickel catalysts (Ni1-Ni4) with sterically bulky para-t-Bu dibenzhydryl moieties at ortho-position as well as different electron-donating and -withdrawing groups at para-position have been synthesized, characterized and applied for ethylene polymerization.
References
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Journal ArticleDOI
Superior Thermal Conductivity of Single-Layer Graphene
Alexander A. Balandin,Suchismita Ghosh,Wenzhong Bao,Irene Calizo,Desalegne Teweldebrhan,Feng Miao,Chun Ning Lau +6 more
TL;DR: The extremely high value of the thermal conductivity suggests that graphene can outperform carbon nanotubes in heat conduction and establishes graphene as an excellent material for thermal management.
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Giant intrinsic carrier mobilities in graphene and its bilayer
Sergey V. Morozov,K. S. Novoselov,Mikhail I. Katsnelson,Fred Schedin,D. C. Elias,John A. Jaszczak,A. K. Geim +6 more
TL;DR: Measurements show that mobilities higher than 200 000 cm2/V s are achievable, if extrinsic disorder is eliminated and a sharp (thresholdlike) increase in resistivity observed above approximately 200 K is unexpected but can qualitatively be understood within a model of a rippled graphene sheet in which scattering occurs on intraripple flexural phonons.
Journal ArticleDOI
Reclamation and recycling of waste rubber
TL;DR: The problem of waste disposal management is a serious environmental problem as mentioned in this paper and since polymeric materials do not decompose easily, disposal of waste polymers is a very serious environmental issue.
Journal ArticleDOI
Kenaf reinforced biodegradable composite
TL;DR: In this article, the properties of environmentally friendly composite made of kenaf fiber and poly- l -lactic acid (PLLA) resin were investigated, and it was found that the storage modulus of the composite remains unchanged up to the melting point of PLLA.
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