Results 241 to 250 of about 8,574,289 (317)

Bridging Green Chemistry and Circular Economy: A Pathway to Sustainable Polyester Plastics Through Feedstock, Synthesis, and Waste Upcycling

Advanced Science, EarlyView.
This review summarizes green and low‐carbon strategies throughout the entire life cycle of polyester plastics, including sustainable monomer synthesis, optimization polymerization, efficient recycling, and advanced upcycling technologies. The synergistic implementation of these strategies is expected to significantly promote the development of a ...
Jinzhou Li, Junliang Chen, Yingbing Zhang, Li Wang, Pin Gao, Jianping Yang   +5 more
wiley   +1 more source

Dual‐Responsive Yarn‐Based Artificial Muscles for Adaptive Thermal Management

Advanced Science, EarlyView.
Inspired by the conscious movements of skeletal muscle, a novel hybrid yarn‐based artificial muscle (HYAM) coupling moisture actuation with controllable recovery is developed. This unique design increases actuation stroke by 128% and shortens recovery time by 91%. This unique design enhances the actuation stroke by 128% and reduces the recovery time by
Mengjiao Pan, Xiaohui Zhang, Jinhao Xu, Ziqi Li, Junjie Wang, Qirui Zhang, Yi Liu, Hongfei Yang, Kinor Jiang, Albert Chan, Yucan Peng, Dahua Shou   +11 more
wiley   +1 more source

A “Hot Spring” Mimetic Aerogel Loaded with Multiple Amino Acids Modulates the Chronic Inflammatory Microenvironment Through Metabolic Reprogramming

Advanced Science, EarlyView.
The SrCuSi4O₁₀ bioceramic particles mimic the effects of hot spring therapy by increasing the local wound temperature, which enhances the absorption of amino acids and stimulates cell metabolism. The amino acid uptake supports cellular glutathione redox reactions, helping to mitigate oxidative stress.
Bo Li, Dandan Jin, Fei Li, Jianliang Shen, Jiang Chang, Chen Yang, Shixuan Chen, Yi Zhang   +7 more
wiley   +1 more source

Nylon 6–Clay Hybrid [PDF]

MRS Proceedings, 1989
ABSTRACTζ-Caprolactam was polymerized in the interlayer spacing of montmorillonite, a clay mineral, yielding a nylon 6-clay hybrid (NCH) 1).X-ray and TEM measurements revealed that each template of the silicate, which is 10 Å thick, was dispersed in the nylon 6 matrix and that the repeat unit increased from 12 Å in unintercalated material to 21 Å in ...
Akane Okada, Masaya Kawasumi, Arimitsu Usuki, Yoshitsugu Kojima, Toshio Kurauchi, Osami Kamigaito   +5 more
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Electrocatalytic synthesis of nylon-6 precursor at almost 100% yield.

Angewandte Chemie, 2023
The application of the cyclohexanone-hydroxylamine process using preformed hydroxylamine is widespread in the caprolactam industry, a crucial step to produce nylon-6.
Yandong Wu, Wei Chen, Yimin Jiang, Yanzhi Xu, Bo Zhou, Leitao Xu, C. Xie, Ming Yang, Mengyi Qiu, Dongdong Wang, Qie Liu, Qinghua Liu, Shuangyin Wang, Yuqin Zou   +13 more
semanticscholar   +1 more source

Organocatalytic Copolymerization of Cyclic Lysine Derivative and ε-Caprolactam toward Antibacterial Nylon-6 Polymers.

ACS Macro Letters, 2021
Functional polymers of nylon-6, particularly those with sustained antibacterial functions, have many practical applications. However, the development of functional ε-caprolactam monomers for the subsequent ring-opening copolymerization (ROCOP) formation ...
Jia-Fang Lian, Jinlong Chen, Shifang Luan, Wei Liu, B. Zong, Y. Tao, Xianhong Wang   +6 more
semanticscholar   +1 more source

Simple process for separation and recycling of nylon 6 and polyurethane components from waste nylon 6/polyurethane debris

Textile research journal, 2020
The nylon 6 (PA6)/polyurethane (PU) debris produced during the sanding process would result in a serious resource waste and environmental hazard if disposed of inappropriately.
Caihong Gong, Kaihui Zhang, Ce Yang, Juan Chen, S. Zhang, Chun-wang Yi   +5 more
semanticscholar   +1 more source

Nylon-6/Ti3C2T z MXene Nanocomposites Synthesized by in Situ Ring Opening Polymerization of ε-Caprolactam and Their Water Transport Properties.

ACS Applied Materials and Interfaces, 2019
Clay-reinforced nylon-6 nanocomposites (NCs)-characterized by the full exfoliation of the nanoreinforcement-were introduced in the marketplace in the 1990s.
M. Carey, Z. Hinton, M. Sokol, N. Alvarez, M. Barsoum   +4 more
semanticscholar   +1 more source

Redesigned Nylon 6 Variants with Enhanced Recyclability, Ductility, and Transparency.

Angewandte Chemie
Geminal (gem-) disubstitution in heterocyclic monomers is an effective strategy to enhance polymer chemical recyclability by lowering their ceiling temperatures.
Jun-Jie Tian, Xiaoyang Liu, Liwei Ye, Zhen Zhang, Ethan C. Quinn, Changxia Shi, L. Broadbelt, T. J. Marks, E. Chen   +8 more
semanticscholar   +1 more source

Nylon 6

2009
Abstract Acronym, Alternative Name, Trade Names Polyamide 6 (PA-6), poly-ε-caproamide, Capron®, Ultramid®, Nylatron® Class Aliphatic polyamides Structure [ NH(CH2)5CO ] Major Applications Gears, fittings, and bearings, electrical switches, bobbins, and connectors, food packaging film, monofilament for weed trimmers and fishing lines ...
Paul G Galanty, Karl I Jacob
openaire   +1 more source