The Experts below are selected from a list of 281916 Experts worldwide ranked by ideXlab platform
Tu Guosheng - One of the best experts on this subject based on the ideXlab platform.
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solvent resistant tpu Composite Material and method of utilizing solvent resistant tpu Composite Material to prepare light conveyor belt
2015Co-Authors: Chen Xinxin, Tu Mulin, Tu GuoshengAbstract:The invention relates to a solvent-resistant TPU (Thermoplastic Polyurethane) Composite Material and a method of utilizing the solvent-resistant TPU Composite Material to prepare a light conveyor belt. The solvent-resistant TPU Composite Material comprises the following constituents in parts by weight: 100-130 parts of activated TPU, 2-10 parts of polytetrafluoroethylene, and 10-40 parts of thermoplastic polyester elastomers, wherein polytetrafluoroethylene is nano-scale polytetrafluoroethylene, and the thermoplastic polyester elastomers are the thermoplastic polyester elastomers removed from oil and impurities, and is prepared by the following steps: firstly, mixing the activated TPU with polytetrafluoroethylene according to the parts by weight, stirring the Materials for 0.5-1 hours to obtain a mixture, adding the mixture and the thermoplastic polyester elastomers into a tapered twin-screw extruder, carrying out extrusion and pelletizing, so as to obtain the solvent-resistant TPU Composite Material. Compared with the prior art, according to the preparation method disclosed by the invention, the activated TPU, the nano-scale PTFE (Polytetrafluoroethylene) and the thermoplastic polyester elastomers are mixed, extruded and pelletized to prepare the solvent-resistant TPU Composite Material which is non-toxic, environment-friendly, excellent in solvent-resistance, mechanical property, wear resistance and cold resistance, and wide in application prospect.
Zhao Lei - One of the best experts on this subject based on the ideXlab platform.
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high strength thermoplastic Composite Material and preparation method thereof
2014Co-Authors: Zhao LeiAbstract:The invention belongs to the scientific and technical fields of polymer Materials, and discloses a high-strength thermoplastic Composite Material and a preparation method thereof. The Composite Material is prepared by using 70-80wt% of a thermoplastic resin and 20-30wt% of a continuous fiber. The preparation method comprises the following steps: preparing unidirectional fibrous impregnated tapes (1), separating the unidirectional fibrous impregnated tapes (1), braiding the above obtained separated impregnated strips (3), and carrying out hot pressing molding to obtain the thermoplastic Composite Material (6). The tensile strength, the bending strength and the impact strength of the thermoplastic Composite Material prepared in the invention are above 50% higher than that of common continuous fibers; and the preparation method of the Composite Material has the advantages of simple and easily implemented technology, less apparatus investment, easy operation and the like.
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thermoplastic resin Composite Material and preparation method and application thereof
2013Co-Authors: Zhao LeiAbstract:The invention falls into the technical field of resin Material, and discloses thermoplastic resin Composite Material and a preparation method and application thereof. The thermoplastic resin Composite Material comprises 40-80 wt.% of continuous fibers, 20-30 wt.% of thermoplastic resin, 0-18 wt.% of a flame retardant, 0-9 wt.% of an anti-ultraviolet agent and 0-3 wt.% of an antioxidant. The preparation method of the thermoplastic resin Composite Material includes unreeling, spreading and laying fibers; impregnating unidirectional fiber fabrics; cooling and flattening; and coiling and forming. Also disclosed is a method for manufacturing an automobile door from the thermoplastic resin Composite Material, which includes laying impregnated unidirectional fiber tapes; molding the impregnated tapes under heating and pressing into Composite sheet Material; preheating the Composite Material; and press molding the Composite Material in a mold. The inventive Composite automobile door has the advantages of integral molding, excellent overall properties, good impact resistance, resistance to damage, resistance to permanent deformation, etc.
Yong Hua Sheng - One of the best experts on this subject based on the ideXlab platform.
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Study on Application of Carbon Fiber Strengthen Thermoplastic Resin Composite Material
Applied Mechanics and Materials, 2014Co-Authors: Yong Hua ShengAbstract:Recently, as the development of thermoplastic resin with excellent property and forming process of thermoplastic resin Composite Material, research of thermoplastic resin becomes a hot issue in related areas. Comparing with common Composite Material, thermoplastic resin Composite Material has many advantages, such as, excellent impacting resistance and many processes. So, more and more researchers focus in thermoplastic resin Composite Material. In this article, applications of carbon fiber strengthen thermoplastic resin Composite Materials are comprehensive.
Yu Zemin - One of the best experts on this subject based on the ideXlab platform.
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method for preparing graphene reinforced copper base Composite Material
2016Co-Authors: Yue Hongyan, Gao Xin, Lin Xuanyu, Yao Longhui, Chen Hongtao, Guo Erjun, Yu ZeminAbstract:The invention relates to a method for preparing a graphene reinforced copper-based Composite Material, and aims at solving a technical problem that graphene is poor in dispersibility and is easy to agglomerate by adopting an existing method for preparing the graphene reinforced copper-based Composite Material. The method disclosed by the invention comprises the following steps: I, preparing graphene oxide; II, performing surface modification of copper powder; III, preparing graphene oxide-copper Composite powder; and IV, preparing the graphene reinforced copper-based Composite Material. According to the method disclosed by the invention, the graphene is effectively dispersed into a copper matrix evenly by an electrostatic self-assembly method, and thus, damage generated to the size of the graphene and a work hardening phenomenon generated on the copper matrix by treatment of a ball-milling method are avoided, the phenomenon that the graphene is agglomerated is prevented, and mechanical property of the Composite Material is obviously increased; tensile strength of the graphene reinforced copper-based Composite Material is increased by 5 percent to 12 percent and hardness is increased by 5 percent to 20 percent in comparison with a pure copper Material; and meanwhile, the copper-based Composite Material is increased by 5 percent to 10 percent in heat-conducting property in comparison with the pure copper Material.
Feng Jicai - One of the best experts on this subject based on the ideXlab platform.
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efficient in situ preparation method of graphene reinforced copper based Composite Material
2014Co-Authors: Qi Junlei, Zhang Tianqi, Zhang Lixia, Cao Jian, Feng JicaiAbstract:The invention discloses an efficient in-situ preparation method of a graphene reinforced copper-based Composite Material, and relates to a method for preparing a graphene reinforced copper-based Composite Material and the method can be used for solving the problems of poor uniform dispersion, poor structure integrity of grapheme and complex process in the existing preparation method of the graphene reinforced copper-based Composite Material. The efficient in-situ preparation method of the graphene reinforced copper-based Composite Material comprises the following steps: putting copper powder in a plasma reinforced chemical vapor deposition vacuum device, introducing hydrogen, preserving heat at high temperature, then introducing argon and carbon source gas, depositing, stopping introducing the carbon source gas after ending the deposition, and finally, cooling below the room temperature to obtain grapheme/copper Composite powder, and then primarily pressing, sintering and secondarily pressing the grapheme/copper Composite powder to obtain the graphene reinforced copper-based Composite Material. The method is an efficient in-situ preparation method of a graphene reinforced copper-based Composite Material.