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4D打印领域的最新出版物和专利

4D打印

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4D打印
4d 印刷增强了 快速成型制造 使可变形的结构能够对环境刺激做出反应。.

4D打印扩展了增材制造技术 制造业 通过将时间相关的形状转变与刺激响应材料(例如形状记忆聚合物、水凝胶和自组装复合材料)相结合,该领域专注于设计、制造和控制能够响应环境因素(包括温度、湿度、光照和磁场)而发生程序化形态变化的结构。研究进展涵盖材料配方、多材料打印技术、驱动机制以及动态行为的预测建模。以下汇编了近期发表的论文和专利创新,重点介绍了4D打印材料、制造工艺、特定应用设计以及功能性能优化等方面的最新进展,涵盖软材料等领域。 机器人技术, 在生物医学设备和航空航天工程领域。.

这是我们最新精选的有关 4D 印刷的全球出版物和专利(英文),这些出版物和专利在许多科学在线期刊中都有刊登,分类和重点关注 4D 印刷、刺激响应材料、形状记忆聚合物、自组装结构、可编程物质、4D 印刷致动器、4D 印刷动力学、智能材料、4D 印刷设计、4D 印刷制造、4D 印刷变形结构、4D 印刷形状转换、4D 印刷热响应、4D 印刷、光响应材料、4D 印刷磁响应、4D 印刷动力学、智能材料、4D 打印设计、4D 打印制造、4D 打印变形结构、4D 打印形状转换、4D 打印热响应、4D 打印、光响应材料、4D 打印磁响应、水凝胶致动器、随时间变化的行为和环境触发器。.

Mechanochromic shape memory polymers with simultaneous shape and color change

Patent published on the 2026-03-05 in WO under Ref WO2026050387 by IVANOV IAN GITSOV [US] (Monroe Mary Beth [us], Henderson James H [us], Lu Xiaocun [us])

Abstract: A shape memory polymer that provides a color-based visual cue for shape change. The shape memory polymer can be used for sensing, where a material is designed to change shape in the presence of a specific reagent, whether chemical (such as a particular acid or reactive oxygen species) or biological (such as a particular bacterial or mammalian enzyme). The shape change coupled with the color change will enhance surveillance of the presence of these reagents and would be particularly useful when u[...]


Our summary: Mechanochromic shape memory polymers change shape and color in response to specific stimuli. They provide visual cues for detecting chemical and biological agents. These materials can enhance surveillance in applications like wound dressings to identify bacterial infections.

mechanochromic, shape memory polymers, sensing, color change

Patent

Enhancing Shape Recovery and Mechanical Properties of Bisphenol-A-Epoxy-Based Shape Memory Polymer Composites (SMPCs) Using Amine Curing Agent Blends

Published on 2026-01-30 by Garam Do, Sungwoong Choi, Seongeun Jang, Duyoung Choi @MDPI

Abstract: Shape memory polymer (SMP) has broad applications in various industries, including automotive, aerospace, and medical, as it can maintain a given shape and return to its original form upon exposure to external stimuli such as heat, magnetic fields, or light. However, the intrinsic limitation of epoxy results in the low thermal conductivity of SMP, which reduces the difference in temperature (&amp;Delta;T) between the glass transition temperature (Tg) and the actuation temperature, thereby ne[...]


Our summary: This study investigates the enhancement of shape recovery and mechanical properties of Bisphenol-A-epoxy-based shape memory polymer composites using amine curing agent blends. The research shows that optimal filler content and improved dispersion of carbon-based fillers significantly enhance the performance of the composites. Results indicate a notable improvement in shape recovery time and mechanical strength.

Shape Memory Polymer, Amine Curing Agents, Thermal Stability, Mechanical Properties

Publication

Comparative Analysis of AutoML Platforms for Forecasting Raw Material Requirements

Published on 2026-01-29 by Damian Grajewski, Anna Dudkowiak, Ewa Dostatni, Jakub Cichocki @MDPI

Abstract: Automated machine learning (AutoML) platforms are increasingly adopted in manufacturing to support data-driven decision-making. However, systematic and reproducible evaluations of their practical applicability remain limited. This study presents a controlled benchmarking framework for comparing three selected cloud-based AutoML platforms: Google Vertex AI, Microsoft Azure ML and IBM Watsonx, in the context of raw material demand forecasting for mold manufacturing. A synthetic dataset was generat[...]


Our summary: This study compares three cloud-based AutoML platforms for forecasting raw material requirements in mold manufacturing. A controlled benchmarking framework was used to evaluate Google Vertex AI, Microsoft Azure ML, and IBM Watsonx using a synthetic dataset. Results show moderate predictive performance with marginal differences between platforms, emphasizing practical considerations over raw accuracy.

AutoML, Benchmarking, Forecasting, Manufacturing

Publication

Advances in Modular Synthesis, Responsive Design, and Multifaceted Applications

Published on 2026-01-26 by Akhil Sharma, Monu Sharma, Sonu Sharma, Vikas Sharma, Shivika Sharma, Iyyakkannu Sivanesan @MDPI

Abstract: The recent development in polymer science has gone beyond the traditional linear and randomly functionalizable macromolecules to the architected polymer systems, which integrate modular synthesis and dynamic responsiveness. Although the literature related to polymer synthesis and stimuli-responsive materials and applications is widely discussed, it is common to review the aspects independently, restricting a complete picture of how architectural modularity controls adaptive performance. This gap[...]


Our summary: This review integrates modular polymer synthesis with stimuli-responsive design. It highlights the importance of structural precision in determining polymer performance. The framework aims to advance the development of multifunctional and environmentally friendly polymer systems for real-world applications.

Modular Synthesis, Responsive Design, Polymer Science, Multifunctional Applications

Publication

Advanced Design Concepts for Shape-Memory Polymers in Biomedical Applications and Soft Robotics

Published on 2026-01-13 by Anastasia A. Fetisova, Maria A. Surmeneva, Roman A. Surmenev @MDPI

Abstract: Shape-memory polymers (SMPs) are a class of smart materials capable of recovering their original shape from a programmed temporary shape in response to external stimuli such as heat, light, or magnetic fields. SMPs have attracted significant interest for biomedical devices and soft robotics due to their large recoverable strains, programmable mechanical and thermal properties, tunable activation temperatures, responsiveness to various stimuli, low density, and ease of processing via additive man[...]


Our summary: This review covers advanced design concepts of shape-memory polymers (SMPs) for biomedical and soft robotics applications. It discusses activation mechanisms, fabrication strategies, and the use of functional nanofillers to enhance performance. Challenges such as non-uniform activation and balancing mechanical properties are also addressed for future applications.

Shape-Memory Polymers, Biomedical Applications, Soft Robotics, Additive Manufacturing

Publication

Design Strategies for Enhanced Performance of 3D-Printed Microneedle Arrays

Published on 2026-01-12 by Mahmood Razzaghi, Hamid Reza Bakhsheshi-Rad @MDPI

Abstract: Three-dimensional (3D) printing has transformed the development of microneedle arrays (MNAs) by enabling exceptional control over their geometry, distribution, materials, and functionality in a single-step, customizable process. This review represents a design-centric framework that organizes recent advancements in four interconnected levers: (i) individual microneedle (MN) geometry and size; (ii) patch-level MN distribution and multi-array architectures; (iii) computer-aided design (CAD), finit[...]


Our summary: This review discusses design strategies for 3D-printed microneedle arrays (MNAs) to enhance their performance. It highlights advancements in microneedle geometry, distribution, and optimization through digital tools. The challenges and future directions in 3D printing for personalized medicine are also addressed.

3D printing, microneedle arrays, design optimization, therapeutic delivery

Publication

Hollow microneedle and manufacturing method therefor

Patent published on the 2025-12-18 in WO under Ref WO2025258922 by DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECH [KR] (Lee Sang Hoon [kr], Jeong Jin Woong [kr])

Abstract: The present disclosure relates to a hollow microneedle, a hollow microneedle electrode, and a manufacturing method therefor, wherein a microneedle array comprises a base part and one or a plurality of microneedles protruding from the base part, the microneedle array includes a shape memory polymer, and the microneedles are shaped to be hollow.[...]


Our summary: The disclosure presents a hollow microneedle and its manufacturing method. It features a microneedle array with a base part and multiple hollow microneedles. The array utilizes a shape memory polymer for its structure.

microneedle, manufacturing method, shape memory polymer, electrode

Patent

Mapping the Evidence

Published on 2025-12-11 by Maria T?nase, Cristina Veres, Dan-Alexandru Szabo @MDPI

Abstract: This study provides an integrated synthesis of Artificial Intelligence (AI) applications in Biomedical 3D Printing, mapping the conceptual and structural evolution of this rapidly emerging field. The bibliometric analysis, based on 229 publications indexed in the Web of Science Core Collection (2018&amp;ndash;2025) and visualised in CiteSpace, identifies three interconnected research domains: AI-driven design and process optimisation, data-assisted bioprinting for tissue engineering, and the[...]


Our summary: This study synthesizes AI applications in Biomedical 3D Printing, identifying three key research domains. It reveals a progression from algorithmic control to autonomous fabrication systems. The analysis highlights a multidisciplinary ecosystem converging computational intelligence and biomedical engineering.

Artificial Intelligence, Biomedical 3D Printing, Bibliometric Analysis, Smart Materials

Publication

涵盖的主题: 4D 打印、快速成型制造、形状变换结构、刺激响应材料、形状记忆聚合物、水凝胶、自组装复合材料、形态变化、环境刺激、多材料打印、执行机制、预测建模、软机器人、生物医学设备、航空航天工程、ISO ASTM D 638、ISO 13485、ISO/IEC 27001、ASTM F2792 和 ISO 9001。.

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