これは、数多くのオンライン科学誌の中から、生態学的デザイン、エコデザイン、持続可能なデザイン、パッシブデザイン、再生デザイン、アップサイクル、リサイクルといったテーマ別に分類・絞り込んだ、英語で書かれた世界中の出版物や特許の最新セレクションです。
Two-component curable adhesive, laminate, packaging material, method for recycling laminate, recycled pellet, and molded article
Patent published on the 2026-07-02 in WO under Ref WO2026140893 by DIC CORP [JP] (Teramura Misato [jp], Sawaguchi Fuka [jp], Sawaguchi Kota [jp], Koba Shohei [jp], Shoji Kento [jp], Arai Masamitsu [jp])
Abstract: Provided is a solvent-free adhesive suitable for producing high-quality recycled plastics with little discoloration. The present invention provides a solvent-free two-component curable adhesive that contains a polyol composition (X) containing a polyol compound (A), and a polyisocyanate composition (Y) containing a polyisocyanate compound (C), wherein: the polyol compound (A) includes a polyol compound (A1) that has a hydroxyl value of 45-600 mgKOH/g and an average number of functional groups of[...]
Our summary: This invention presents a solvent-free two-component curable adhesive for high-quality recycled plastics. It includes a polyol composition with specific hydroxyl values and functional groups. The adhesive ensures minimal discoloration and effective bonding in laminate applications.
adhesive, recycling, polyurethane, laminate
Patent
Reactor comprising nitric acid recycling device
Patent published on the 2026-07-02 in WO under Ref WO2026142126 by SAMYANG CORP [KR] (Kim Hye Jung [kr], Kim Ji Hong [kr], Moon Jung Hye [kr], Lee Ju Hong [kr], Lee Keun Ho [kr], Huh Pil Ho [kr], Bae Ji Hong [kr])
Abstract: The present invention relates to: a nitric acid recycling device for recycling a nitric acid in a reaction process by generating the nitric acid using a nitrogen byproduct that is generated during a nitric acid reaction process for a biomass raw material; and a reactor comprising the nitric acid recycling device. The nitric acid recycling device comprises a first reaction unit that generates nitrogen dioxide from a gas containing nitrogen oxide flowing into a chamber, and a second reaction unit [...]
Our summary: The invention describes a nitric acid recycling device that utilizes nitrogen byproducts from a reaction process. It includes a first reaction unit for generating nitrogen dioxide and a second unit for converting nitrogen dioxide into nitric acid. This system is integrated into a reactor designed for biomass processing.
Nitric acid, Recycling device, Reactor, Nitrogen dioxide
Patent
Multilayer plastic laminate recycling process and delamination solution
Patent published on the 2026-07-01 in EP under Ref EP4768214 by RENASCIS LDA [PT] (Salgueiro Rocha Da Silva Rui Alexandre [pt], LÓpez-oleaga Arrospide Gonzalo [es], Correia Barbosa Cristina Maria [pt])
Abstract: The present invention refers to a multilayer plastic laminate recycling process and a delamination solution, wherein the process comprises the following steps: providing the multilayer plastic laminate and the delamination solution comprising an alkaline component and an tensioactive; conditioning the multilayer plastic laminate to obtain multilayer flakes comprising a mesh size under 20 mm; contacting the multilayer flakes with the delamination solution being a stirred step at 25 - 90 °C for 1[...]
Our summary: The invention details a recycling process for multilayer plastic laminates. It involves conditioning the laminate and using a delamination solution at specific temperatures and times. The process results in high-purity monolayer plastic flakes.
recycling, delamination, multilayer, plastic
Patent
Flotation short fiber length
Patent published on the 2026-07-01 in EP under Ref EP4768128 by CHEMIEFASER LENZING AG [AT] (Claesson Helena [se], Shagaev Oleg [at], Scherzer Dan [at], Burgstaller Christian [at], Schlader Sandra [at], Herchl Richard [at], Ribe Espen [se], Thaler Michael [at])
Abstract: [0001] Method for processing textile waste for recycling comprising the steps of: a) providing textile waste, which comprises cellulosic fibers and non-cellulosic fibers and contaminants, as raw material, b) at least one step of comminution of the raw material in at least one comminutor to produce a comminuted material, c) submitting the comminuted material to flotation to remove non-cellulosic fibers and contaminants from cellulosic fibers, and d) providing the purified cellulosic fibers to fur[...]
Our summary: The method processes textile waste to separate cellulosic fibers from non-cellulosic fibers and contaminants. It involves comminution to reduce fiber length to 0.7 to 2 mm before flotation. The purified cellulosic fibers are then prepared for further processing.
flotation, textile recycling, comminution, fiber length
Patent
Electric mopping machine
Patent published on the 2026-06-29 in NL under Ref NL4001703 by SUZHOU E RISING ELECTRICAL TECH CO LTD [CN] (Tao Zhang [cn], Hui Hu [cn])
Abstract: [0001] Disclosed is an electric mopping machine. A clean water tank includes a first tank body and a clean water outlet. A sewage tank includes a second tank body, a sewage inlet and a sewage outlet. A mop at least includes a mounting cap and a cushion layer. A clean water channel and a sewage channel are arranged on the cushion layer. A lower end face of the cushion layer is arranged with a clean water discharge port in communication with the clean water channel, and is arranged with a sewage c[...]
Our summary: The electric mopping machine features a clean water tank and a sewage tank for effective cleaning. It incorporates a water delivery system with clean and sewage pumps for optimal performance. The design allows for the collection and recycling of sewage, enhancing the cleaning effect on surfaces.
electric mopping machine, clean water tank, sewage pump, water delivery system
Patent
Hydrogen production system and hydrogen production method
Patent published on the 2026-06-25 in WO under Ref WO2026134785 by POSCO HOLDINGS INC [KR] (Kim Dong-hyuk [kr], Yoon Ju-woung [kr], Kim Beom-sik [kr], Kwon Gi-hun [kr], Park Hai-woong [kr], Lee Ho-jin [kr], Joo Sang-wook [kr], Rhee Chang-houn [kr])
Abstract: According to exemplary embodiments of the present invention, a hydrogen production system and a hydrogen production method can be provided that ensures improved resource efficiency by recycling by-products generated in a hydrogen production process.[...]
Our summary: The invention presents a hydrogen production system and method. It focuses on enhancing resource efficiency. By-products generated during hydrogen production are recycled effectively.
Hydrogen production, resource efficiency, by-product recycling, production method
Patent
Dimensional characterization of isolated ethylcellulose in tetrahydrofuran
Published on 2026-02-13 by Kenji Fukuda, Moriya Kikuchi, Seigou Kawaguchi @NATURE
Abstract: Polymer Journal, Published online: 13 February 2026; doi:10.1038/s41428-026-01145-wThe dimensional characterization of ethylcellulose (ECx, x = 3.0 or 2.5) with a weight-averaged molar mass (Mw) of 6.32 × 103 to 3.83 × 105 g mol−1 and narrow dispersity (Mw/Mn < 1.22) was performed in tetrahydrofuran (THF) at 25 °C using static light scattering, small-angle X-ray scattering, and intrinsic viscosity measurements. Eleven fully substituted EC3.0 samples were prepared by[...]
Our summary: The study characterizes isolated ethylcellulose in tetrahydrofuran using various techniques. It measures the z-averaged radius of gyration and intrinsic viscosity, revealing properties of EC3.0 and EC2.5. The findings indicate that the degree of ethyl substitution affects global stiffness and hydrodynamic radius.
Ethylcellulose, Dimensional characterization, Static light scattering, Small-angle X-ray scattering
Publication
Ecological Regeneration and Culturally Sustainable Design with 3D Printing Technology
Published on 2026-02-03 by Jun-Shan Liu, Ling-Qi Kong, Peng-Wei Hsiao, Chun-Yan Wu @MDPI
Abstract: Currently, the possibility for the high-value utilization of abandoned oyster shells in the Zhuhai&ndash;Macao region of Guangdong Province, China, lacks sufficient attention, leading to resource wastage. Most oyster shells are treated as kitchen waste or directly landfilled, and their potential cultural and material value is not fully realized. To address this issue, this study explores sustainable utilization pathways for local abandoned oyster shells from the dual perspectives of envi[...]
Our summary: This study explores the sustainable use of abandoned oyster shells in Guangdong Province, China, focusing on ecological and cultural perspectives. It develops a 3D printing material from oyster shells and designs incense holders inspired by local marine culture. The research emphasizes systematic design to enhance material regeneration and cultural empowerment, supporting local ecodesign initiatives.
3D Printing, Ecological Regeneration, Cultural Sustainability, Material Recycling
Publication











