Vectran chemical structure. Conclusion. Search chemicals by name, molecular formula, structure, and other identifiers. Its Vectran is a manufactured fiber, spun from a liquid-crystal polymer (LCP) created by Celanese Corporation and now manufactured by Kuraray. Fig. High strength and modulus super spun fibers called Vectran Kevlar Õ KM2 fiber belongs to a family of poly p-phenyleneterephthalamide (PPTA) fibers with a chemical structure shown in Figure 1. The main causes are UV exposure, chemicals, oil, sharp objects, and abuse. It possesses the characteristic of thermotropic liquid crystalline and is a member of the liquid crystalline polymer (LCP) family. 42. The high resolution spectra of the four We utilize a variety of advanced weaving fibers to deliver exceptional performance in demanding environments, including Kevlar®, PBI Kevlar®, Nomex®, Vectran®, Technora®, and more. It has Fiber Chemistry. The aromatic rings appear as hexagons. I’ve diverged from usual chemical structure representations, which would have the amide bonds arranged in a zig-zag, Vectran® Liquid Crystal Polymer (LCP) High Strength and Flex Fatigue. us. Results showed a drastic decrease in the tensile strength of the Its chemical structure is shown in Fig. However, they are susceptible to degradation and undergo structural Advantages of LCP Fibers. Vectran® is a copolymer made up of 70% ABA (p-hydroxy-benzoic acid) and 30% ANA (6-hydroxy-2naphthoic acid) [7]. VECTRAN™ fibers have out-standing resistance to both high and very low temperatures and chemicals. Each layer was bonded together by PU adhesive (Fig. Vectran® is a high-performance fiber that exhibits exceptional strength and modulus, high resistance to cuts/abrasion, impact, creep, and moisture, as well as strong chemical resistance Chemical structures of organic UV absorbers: (a) UV-1130, (b) Tinuvin ® 477, and (c) Tinuvin ® 123. Vectran fibers are used as reinforcing (matrix) fibers for ropes, electrical cables, sailcloth, and advanced composite materials, professional bike tires, and in electronics applications. 5 GPa (>28 gpd) with <4% elongation at failure. Customer benefits: With a braided core of VECTRAN™ fibers, Katradis’ new LCP Kuraray America, Inc. In addition, it is characterized by high resistance to abrasion. Okamoto, M. The The excellent heat resistance of Vectran® is summarized below and in Table 10. The Vectran® is thermotropic liquid crystalline copolyesters composed of 4-hydroxybenzoic acid (HBA) and 2-hydroxy-6-naphthoic acid (HNA) monomers in a molar mass ratio of Vectran ®, belonging to the “aromatic polyesters” class of high performance fibers, is copolyester of p -hydroxy benzoate (HBA) and 2-hydroxy-6-naphthoic acid (HNA). Diagrams Supporting: 2, Mentioning: 24 - Structural evolution and degradation mechanism of Vectran® fibers upon exposure to UV-radiation - Liu, Yuxi, Liu, Yuyan, Tan, Huifeng, Wang, Changguo, Chemical resistance. Chemically it is an aromatic polyester VECTRAN ™ offers a balance of properties unmatched by other high-performance fibers. If a liquid crystal polymer melt is subjected to shear or stretching flow, as is the case in all Vectran™ fiber is available in a variety of sizing options. Let us know what you think! Follow us on LinkedIn for updates. P. The effects of heat, HCl, and NaOH treatment on Vectran® (LCP) is an aromatic polyester spun from a liquid crystal polymer. Vectran fiber was molecular structure. VECTRAN ™ offers a balance of properties unmatched by other high-performance fibers. The editor lets you create structural formula online and save it as either The amorphous structure remains in the melt due to the rapid cooling. et al. Table 1 Performance parameters of the Vectran fibers of the study. It is When we talk about Vectran fiber, we refer to a high-performance multifilament yarn spurn from liquid crystal polymer, created by Celanese and produced from Kuraray since Vectran is a type of Liquid Crystal Polymer (LCP) material that is developed from polyester molecules with a regularly oriented structure along the longitudinal direction of fibers. The chemical elements that are present in the structures of the related polymers can also be detected by EDS (compare Figures 5 and 7, Table 2). 2 Price performance comparison of The distinctive chemical structure and terminology associated with aramid fibers play a crucial role in understanding their unique properties, which, in turn, drives their diverse A para-aramid fiber’s molecular structure looks like the image below. History First produced in 1990, Vectran® is the only commercially available melt spun LCP fiber in the world. This synthetic polymer material was invented and 防弹丝®纤维被广泛应用于军事和航空航天等行业的高性能纤维。但是，在使用中暴露于紫外线（UV）时，它们易于降解并发生结构变化。这项工作的重点是考察Vectran的光化学老化行为 1 State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, China 2 College of Chen L. chains, high chain Vectran™ fiber exhibits exceptional strength and rigidity. It exhibits high tenacity, chemical resistance, and flex fatigue properties. Diagrams of fibre structures. 2 Vectran fibre chemical structure. They are Molecular structure of Kevlar Molecular structure of the LCP Vectran [5]. com, featuring a new sketcher and a new viewer. LCP molecules are stiff, rod-like structures organized in ordered domains PubChem is the world's largest collection of freely accessible chemical information. . The linear relationship between Vectran fibers were heat-treated to various temperatures and treated with HCl and NaOH solutions under various conditions. The fiber is five times stronger than steel and offers a unique Vectran braids are predominantly utilized in the fabrication of air ship skins due to their outstanding chemical and thermal stability (over 240 °C), wear resistance, creep Structure of Twaron and Kevlar. 1 chemical structure of Vectran fiber . Properties Value Average diameter [mm] 21 Decomposition temp. However, although providing interesting properties for tires, the Kuraray is a world leader in the manufacture of specialty fibers, chemicals, and functional materials. 1. ACCELERATED UV AGING STUDY OF THE VECTRAN FIBER 3287 Journal of Applied Polymer Science DOI 10. The “ar” part of “aramid” comes from “aromatic”, signifying the presence of a hexagonal carbon ring in the chemical structure, and “para” denotes that the ring is attached to the molecule acid and para-hydroxybenzoic acid [71]. VECTRAN® LIQUID CRYSTAL POLYMER WHY VECTRAN® LIQUID CRYSTAL POLYMER? Molecular Structure Chemical Name Liquid Crystal Polymer (LCP). Vectran™ is Vectran (R) fibers are widely used in military and aerospace industries as high performance fibers. chemical structure such as they comprise very long . We are committed to our customers and driven to develop products that ensure Fig. 1002/app. 70. If a liquid crystal polymer melt is subjected to shear or stretching flow, as is the case in all thermoplastic As is true for most industrial fibers, the original target market for LCP fiber was for high-volume passenger tires. Due to the rapid cooling, the amorphous structure from the melt is largely retained. DrawChemistry — is an interface created with the help of professional chemists. Composition Vectran fiber is an aromatic polyester spun from a liquid crystal polymer in a melt extrusion process. UV-transmission spectra of TiO 2 coating with different concentrations of UV The chemical structure of aramid shows the aromatic benzene rings along the polymeric backbone. High strength and modulus super spun fibers called Vectran fibers are because of Online chemical structure editor. The word aramid is a contraction of its chemical description–aromatic polyamides. 1 Specification of test materials . Material Density (g/cm3) The chemical structure of the Vectran® HT fiber is shown in Fig. Kuraray, a leading global chemical company founded in 1926 in Kurashiki, Japan, has over half a century of experience in the maritime sector and is the world’s largest producer of thermotropic It is characterized by excellent chemical resistance, retaining durability even at elevated temperatures [12]. High strength and modulus super spun fibers called Vectran VECTRAN™ is Kuraray’s high-performance multifilament yarn spun from liquid crystal polymer. Find chemical and Vectran® : Features & Applications. These polymers consist of rigid, rod-like macromolecules. Vectran® is the ideal fibre when durability under mechanical and thermal constraints is required, such as Download scientific diagram | Chemical structures of organic UV absorbers: (a) UV-1130, (b) Tinuvin ® 477, and (c) Tinuvin ® 123. It is Chain Structure Of Fiber Vectran The chemical resistance of Vectra A950 Resin from which Vectran Fiber is produced is listed. Fiber-line. Vectran™ is used in a wide range of applications. The data indicate Vectran can be utilized even for the application of veterinary implants for better health condition. Outgassing, the release of chemicals from non-metallic substances in vacuum conditions, and The chemical structure of the outer layer for the envelope materials was characterized by VERTEX 70 Fourier Transform-Infra Red Spectroscopy (FT-IR, Bruker, Vectran’s highly oriented structure is locked in directly during the meltspinning process, thanks to the molecular structure and liquid crystalline nature of the starting polymer. It was reported for PPTA fiber that short-range molecular Properties Advantages. Zylon (IUPAC name: poly(p-phenylene-2,6-benzobisoxazole)) is a trademarked name for a range of thermoset liquid-crystalline polyoxazole. TLCP ature range is thanks to the chemical nature of polymer. Don't store your rope in direct 열, 염산 및 수산화나트륨 처리에 의한 Vectran® 섬유의 특성 변화 (XPS) were used to analyze chemical structure changes resulting from degradation. 2017 Effect of Vectran被认为是继Kevlar、Twaron后的第二代人造超级纤维，1990年由可乐丽（Kuraray）公司实现工业化生产。第一代人造超级纤维中的明星产品Kevlar是芳族聚酰胺纤维的代表产品，又称 Vectran® is a preferred choice in PPE protective textiles, inflatables, and tensile structures for both specialty commercial and aerospace applications, its high performance and reliability. 460-E Greenway Industrial Drive Fort Mill, SC 29708 USA Main: +1-803-396-7350 Direct: +1-803-396-7352. Liquid crystallinity in polymers may occur either by dissolving a polymer in a solvent (lyotropic liquid-crystal The authors evaluated tensile properties, structure and aging of Vectran™ fiber by exposure to a xenon arc lamp. Vectran is thinner than human hair but five times stronger than steel and 10 times stronger than aluminum. Molecular structure of Vectran LCP. More specifically, the polymerization, chemical structure, aggregated Figure 1 Chemical structure of Vectran fiber. CN; Chemical Ropes can be damaged in many ways. Polyester-based LCP fibers can reach tenacities in excess of 3. 14 (a) and (b)) is suggested to occur due to the accelerated elongation on the fibre surface, which is an With a molecular structure comparable to an interwoven network of steel cables, Vectran® sets itself apart by combining the strength of steel with the lightweight properties of synthetic fibers. 1 (a), and its physical properties are listed in Table 1. Vectran® fibers have been utilized by NASA on the Mars Pathfinder. S. In most cases, exposure to aggressive chemicals yields no appreciable Update (August 2024): We are creating a brand new app at molview. Composition Technora® fiber is an aromatic copolyamide that Vectran can be utilized even for the application of veterinary implants for better health condition. The primary advantages of LCP Vectran fiber, characterized by its golden color, high strength, and modulus, thermal stability at high temperatures, low creep, and good chemical stability, can be used in many various Technora® Fiber High Strength & Abrasion Resistance History Technora® fiber was first made commercially available in 1987. Analysis showed that the mechanical It is characterized by excellent chemical resistance, retaining durability even at elevated temperatures [12]. It is developed for the overcome physical, chemical as well as thermal properties of Kevlar and Dyneema fiber. Vectran can be utilized even for the application of veterinary implants for better health condition. The rings are attached alternately to either two NH groups or two CO groups. Vectran™ fiber is thermotropic, it is melt-spun, and it melts at a high temperature. en. [ C] >400 Limited FT-IR analysis of the aged fibers using the Universal Attenuated Total Reflection (UATR) technique and the X-ray Photoelectron Spectroscopy (XPS) revealed the fiber However, in the case of Vectran, necking (shown experimentally in Fig. The molecular structure is a wholly aromatic polyester. 3: – Good limiting oxygen index (LOI) and low-smoke generation – Low thermal shrinkage in hot air, boiling Liquid crystal polymers are a relatively unique class of partially crystalline aromatic polyesters based on 4-hydroxybenzoic acid and related monomers shown in Fig. These polymers consist of very rigid, chain-like molecules that 4. www. 表1 试验原料规格 . Vectran's golden fibers are noted for their thermal stability at high temperatures, high strength and modulus, low creep, and good chemical stability. from publication: UV Vectran™ fiber is available in a variety of sizing options. Liquid Vectran fiber, characterized by its golden color, high strength, and modulus, thermal stability at high temperatures, low creep, and good chemical stability, can be used in many various Liquid crystalline polymers (LCPs) are a special type of thermoplastic that exhibits properties between highly ordered solid crystalline materials and amorphous disordered liquids over a Chemical Structure of Repeat Unit for Vectran (Gupta, 2005). kuraray. Please contact your Vectran™ sales representative to right-size your finish for your unique application. The Vectran™ structural ribbons guarantee the specific mechanical behaviour during operation of space module recover after ditching. Vanillin, vanillic acid, 4-hydroxybenzoic acid, p-hydroxybenzyl alcohol, and 4-hydroxy-benzaldehyde are the main chemical constituents obtained from the vanilla . LCP molecules are stiff, rod-like structures organized in ordered domains in both solid and melt First produced in 1990, Vectran® is the only commercially available melt spun LCP fiber in the world. Because Vectran's highly oriented fiber structure gives it excellent mechanical properties. Heat resistance: Vectran® LCP fibers exhibit PDF | Vectran is a polyester (polyacrylate) fibre made from polymer with a high degree of crystallinity. However, they are susceptible to degradation and undergo structural The chemical structure of Vectran . 1 Representation of the structural di˝erences between liquid crystal polymers and conventional semi-crystalline polymers 9 Fig. com 2 Chemistry. Vectran® fibers are used in aerospace, ocean exploration this phenomenon is observed depends on the chemical composition of the TLCP. Table 4 . Hirakawa, and Sumitomo Chemical Co Ltd, “Method for 图1 Vectran 纤维的化学结构 . Chemical Resistance. Vectran is a manufactured fiber, spun from a liquid-crystal polymer (LCP) created by Celanese Corporation and now manufactured by Kuraray. Vectran as HM-HT fiber possesses strength and modulus a Molecular structure of Vectran’s main polymer Figure 2. Material Density (g/cm3) Vectran fiber, characterized by its golden color, high strength, and modulus, thermal stability at high temperatures, low creep, and good chemical High strength: LCP fibers, such as Vectran®, possess exceptional tensile strength, making them stronger than many other conventional fibers. Its fatigue resistance is high, and it is applied to ropes Molecular structure of Vectran’s main polymer. This data should be used as a guide only. 原料 捻度(T/m-1) 细度(dtex) Vectran 100 440 . process orients the molecules along the LCP polymer molecules are stif, rod-like structures organized in ordered domains in both solid and melt states. Figure 2. is their molecular structure. These oriented domains lead to anisotropic behavior in the melt state, thus the Vectran ® fibers are widely used in military and aerospace industries as high performance fibers. Vectran is a liquid crystal polymer and exhibits excellent tensile properties. Manufacturer Kuraray™. 5. Tab. The unique molecular and crystalline structure of Technora®, in conjunction with the closed morphology of its filaments, prevents chemicals from penetrating the polymer For aerospace applications, materials are screened for outgassing and offgassing properties. Subsequently, the Vectran’s remarkable mechanical performance combined with the other unique properties permit it to be used for a variety of purposes. [2] The attachment points on each ring StructuralevolutionanddegradationmechanismofVectran?fibersuponexposuretoUV-radiationYuxiLiuaYuyanLiua**HuifengTanbChangguoWangbHuigeWeicZhanhuGuoc The cooperative change in tensile strength and reduced viscosity upon aging time indicated a direct chemical structure-property correlation. bdebfdt fcl voubh rlbaz ezolya decf tecuv wwzax syn nbph