The Role of Starch Incorporation into Waterborne Acrylic-Hybrid Nanoparticles for Film-Forming Applications.

IF 5.5 2区化学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY Biomacromolecules Pub Date : 2024-10-14 Epub Date: 2024-09-23 DOI:10.1021/acs.biomac.4c00744

Sofía F Cabrera, Ludmila I Ronco, Mario C G Passeggi, Luis M Gugliotta, Roque J Minari

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Abstract

The use of biopolymers as an alternative to petroleum-based polymers offers a sustainable solution with benefits such as biodegradability and unique functionalities. In this study, starch/zein bioparticles (BPs) obtained by nanoprecipitation were employed to synthesize acrylic polymer/biopolymer waterborne nanoparticles with excellent film formation capability. These hybrid nanoparticle dispersions were obtained through a semibatch emulsion polymerization using the previously synthesized BPs as seed and variable monomeric formulations composed of butyl acrylate and methyl methacrylate. A synergetic effect between acrylic and biopolymer phases was evidenced where the incorporation of BPs had a fundamental role in improving sensitive properties, such as film blocking resistance, while attaining smooth films at room temperature. These excellent film-forming properties of starch/acrylic hybrid latexes without requiring the addition of formulation agents, which depict an important benefit from an environmental viewpoint, demonstrate that they represent a promising alternative for the development of a new generation of eco-friendly binders.

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淀粉掺入水性丙烯酸杂化纳米粒子在成膜应用中的作用。

使用生物聚合物替代石油基聚合物提供了一种可持续的解决方案，具有生物可降解性和独特的功能性等优点。本研究利用纳米沉淀法获得的淀粉/玉米蛋白生物颗粒（BPs）合成了具有优异成膜能力的丙烯酸聚合物/生物聚合物水性纳米颗粒。这些混合纳米粒子分散体是以之前合成的 BPs 为种子，以丙烯酸丁酯和甲基丙烯酸甲酯组成的可变单体配方为原料，通过半批次乳液聚合法获得的。丙烯酸相和生物聚合物相之间的协同效应得到了证实，其中 BPs 的加入在改善敏感特性（如薄膜抗阻塞性）方面发挥了重要作用，同时在室温下获得了平滑的薄膜。淀粉/丙烯酸混合胶乳无需添加配方剂就具有出色的成膜性能，从环保角度看具有重要优势，这表明它们是开发新一代环保型粘合剂的理想选择。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Biomacromolecules 化学-高分子科学

CiteScore

10.60

自引率

4.80%

发文量

417

审稿时长

1.6 months

期刊介绍： Biomacromolecules is a leading forum for the dissemination of cutting-edge research at the interface of polymer science and biology. Submissions to Biomacromolecules should contain strong elements of innovation in terms of macromolecular design, synthesis and characterization, or in the application of polymer materials to biology and medicine. Topics covered by Biomacromolecules include, but are not exclusively limited to: sustainable polymers, polymers based on natural and renewable resources, degradable polymers, polymer conjugates, polymeric drugs, polymers in biocatalysis, biomacromolecular assembly, biomimetic polymers, polymer-biomineral hybrids, biomimetic-polymer processing, polymer recycling, bioactive polymer surfaces, original polymer design for biomedical applications such as immunotherapy, drug delivery, gene delivery, antimicrobial applications, diagnostic imaging and biosensing, polymers in tissue engineering and regenerative medicine, polymeric scaffolds and hydrogels for cell culture and delivery.