Journal of Applied Polymer Science最新文献_第8页

Thermal-Oxidative Aging Behavior and Factors of Polystyrene-Based Thermoplastic Elastomers-Based Automotive Interior Skin

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2025-01-26 DOI: 10.1002/app.56769

Shuwen Liu, Dong Wang, Guomin Guo, Jihai Zhang, Jun Qiu, Aimin Zhang

{"title":"Thermal-Oxidative Aging Behavior and Factors of Polystyrene-Based Thermoplastic Elastomers-Based Automotive Interior Skin","authors":"Shuwen Liu, Dong Wang, Guomin Guo, Jihai Zhang, Jun Qiu, Aimin Zhang","doi":"10.1002/app.56769","DOIUrl":"https://doi.org/10.1002/app.56769","url":null,"abstract":"<div>\u0000 \u0000 <p>Compared to traditional polyvinyl chloride (PVC), polyurethane (PU), and thermoplastic olefin (TPO) materials, thermoplastic elastomers (TPEs) offer advantages of complete recyclability, absence of plasticizers and solvents, superior mechanical properties, pleasing tactile characteristics, low volatile organic compounds (VOCs) emissions, and cost-effective processing. Making it an exceptional choice for environmentally friendly automotive skin materials. The automotive skin is frequently subjected to harsh conditions, such as high temperatures and oxygen exposure during use, presenting a significant durability challenge. Therefore, this study focuses on polystyrene (PS)-based thermoplastic elastomers (TPE-S) as the subject and investigates the influence of molecular weight, PS content, and chain structure in the blend on the mechanical properties of TPE-S using an accelerated thermal-oxidative aging method. Meanwhile, the changes of TPE-S during the aging process are discussed via molecular weight, crystalline structure, molecular chain structure, microphase separation structure, and tactile sensation, providing a scientific foundation for guiding the selection of TPE-S in automobile skin and heat oxidative aging resistance ability.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 16","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143612489","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Preparation and Properties of Fluorine-Free and Organo-Soluble Polyesterimides and the Films With Good Optical Transparency and Thermal Stability

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2025-01-26 DOI: 10.1002/app.56778

Xi Ren, Duanyi Li, Zhibin He, Ruixuan Wang, Changxu Yang, Shujun Han, Haifeng Yu, Jingang Liu

{"title":"Preparation and Properties of Fluorine-Free and Organo-Soluble Polyesterimides and the Films With Good Optical Transparency and Thermal Stability","authors":"Xi Ren, Duanyi Li, Zhibin He, Ruixuan Wang, Changxu Yang, Shujun Han, Haifeng Yu, Jingang Liu","doi":"10.1002/app.56778","DOIUrl":"https://doi.org/10.1002/app.56778","url":null,"abstract":"<div>\u0000 \u0000 <p>Fluorine-free, fully aromatic polyimide (PI) films, characterized by the excellent optical transparency and high-temperature endurance, have been successfully synthesized through either homopolymerization or copolymerization of an ester-containing diamine, 2-(4-aminobenzoate)-5-aminobiphenyl (ABABP) and two distinct dianhydrides: 2,2-bis[4-(3,4-dicarboxyphenoxy)phenyl]propane dianhydride (BPADA) and 9,9-bis[4-(3,4-dicarboxyphenoxy)phenyl]fluorene dianhydride (BPFPA). Owing to the good solubility of the developed PI-I to PI-V resins in polar aprotic solvents, particularly in N,N-dimethylacetamide (DMAc), N-methyl-2-pyrrolidone (NMP) and N,N-dimethylformamide (DMF), the synthesis process was performed through a two-stage chemical imidization technique. The polymer solutions of PI-I to PI-V in DMAc were fabricated into films that showed exceptional optical clarity, featured with the ultraviolet cutoff wavelength (λ) below 375 nm, the light transmission at 450 nm (T<sub>450</sub>) surpassed 80%, the <i>b</i>* values (CIE indices) below 4.5, and the turbidity percentage (haze values) under 0.5%. Despite the fact that a higher molar concentration of BPFPA components in the dianhydride segments led to a decline in the optical characteristics of the films, the thermal resistance was concurrently enhanced. The resulting copolymerized PI films exhibited a glass transition temperature (T<sub>g</sub>) over 264.9°C, along with the coefficients of linear thermal expansion (CTE) values of 56.7 ~ 65.9 ppm/K in temperature range of 50 ~ 200°C.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 17","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143689839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Polyaniline/Reduced Graphene Oxide Composite as an Electrode for Symmetric and Asymmetric Supercapacitors

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2025-01-26 DOI: 10.1002/app.56785

Bolormaa Burentogtokh, Bumaa Batsuren, Sevjidsuren Galsan, Altantsog Pagvajav

{"title":"Polyaniline/Reduced Graphene Oxide Composite as an Electrode for Symmetric and Asymmetric Supercapacitors","authors":"Bolormaa Burentogtokh, Bumaa Batsuren, Sevjidsuren Galsan, Altantsog Pagvajav","doi":"10.1002/app.56785","DOIUrl":"https://doi.org/10.1002/app.56785","url":null,"abstract":"<div>\u0000 \u0000 <p>Polyaniline-based composites with reduced graphene oxide (rGO) were synthesized using chemical polymerization. Characterization techniques, including X-ray diffraction (XRD), ultraviolet–visible (UV–visible) absorption spectroscopy, Fourier transform infrared (FTIR), and Raman spectroscopy, confirmed that both polyaniline (Pani) and the Pani/rGO composite were in the emeraldine salt state. The synergistic effect of Pani and rGO increases the polaron band and improves the electrical conductivity, which is confirmed by spectroscopic analysis. Scanning electron microscopy revealed that Pani had a granular morphology, whereas the Pani/rGO composite had a layered morphology. This layered morphology indicates that adding rGO can enhance the conductivity and electrochemical activity. The electrochemical studies of the Pani/rGO composite electrode showed a specific capacitance of 261 F g<sup>−1</sup> at a current density of 2.4 A g<sup>−1</sup>. The electrochemical performance of the Pani/rGO composites for energy storage devices was examined via two-electrode cell assembly. Pani/rGO was utilized as a cathode, whereas various carbon materials (CNFs, MWCNTs, AC) were used as anodes. A maximum energy density of 7.9 Wh kg<sup>−1</sup> at a power density of 325 W kg<sup>−1</sup> was observed in the Pani/rGO//PMAC asymmetric supercapacitor at a voltage of 1.4 V. The electrochemical performance results show that the Pani/rGO composite is an efficient supercapacitor electrode material.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 17","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143689840","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

High Glass Transition PEcBT and PEPecBT Copolyesters Synthesized by Direct Esterification Route

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2025-01-26 DOI: 10.1002/app.56781

Yanru Chen, Linbo Wu

{"title":"High Glass Transition PEcBT and PEPecBT Copolyesters Synthesized by Direct Esterification Route","authors":"Yanru Chen, Linbo Wu","doi":"10.1002/app.56781","DOIUrl":"https://doi.org/10.1002/app.56781","url":null,"abstract":"<div>\u0000 \u0000 <p>2,2,4,4-Tetramethyl-1,3-cyclobutanediol (CBDO) based copolyesters like poly(cyclohexane dimethylene-co-2,2,4,4-tetramethyl cyclobutylene terephthalate) (PCcBT) has high transparency, heat-resistance and safety and has been commercialized to replace bisphenol A polycarbonate in food contact applications. However, its synthesis and processing suffer from CBDO sublimation, composition deviation and relatively poor thermal stability. In order to obtain transparent heat-resistant CBDO-based copolyesters with improved synthesis robustness and thermal stability, poly(ethylene co-tetramethyl cyclobutene terephthalate (PEcBT)) copolyesters were synthesized from ethylene glycol (EG), CBDO, and terephthalic acid (TPA) via direct esterification route, and the structure–property was studied. It is found that the presence of EG effectively inhibited the sublimation of CBDO, and the resulting PEcBT copolyesters had reasonably good thermal stability so that the melt polycondensation proceeded smoothly without serious foaming. PEcBT copolyesters with intrinsic viscosity ([η]) over 0.60 dL/g were successfully synthesized at copolymer composition (<i>ϕ</i>\u0000 <sub>cBT</sub>) up to 67 mol%. A quantitative relationship between <i>T</i>\u0000 <sub>g</sub> and its influence factors is established. The copolyesters with <i>ϕ</i>\u0000 <sub>cBT</sub> of 48–62 mol% displayed <i>T</i>\u0000 <sub>g</sub> of 126°C–144°C, flexible tensile behavior, satisfactory tensile properties and reasonably good impact performance. Ternary PEPecBT copolyesters were also synthesized using 1,5-pentanediol as another diol comonomer to improve toughness of the materials.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 17","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143689837","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Click Preparing UV-Curable Polybutadiene Films With Good Thermal and Mechanical Performances by Using Multifunctional Mercaptan as a Cross-Linking Agent

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2025-01-26 DOI: 10.1002/app.56777

Xinyong Su, Jinwei Wang, Can Tang, Jiaao Wang

{"title":"Click Preparing UV-Curable Polybutadiene Films With Good Thermal and Mechanical Performances by Using Multifunctional Mercaptan as a Cross-Linking Agent","authors":"Xinyong Su, Jinwei Wang, Can Tang, Jiaao Wang","doi":"10.1002/app.56777","DOIUrl":"https://doi.org/10.1002/app.56777","url":null,"abstract":"<div>\u0000 \u0000 <p>Ultraviolet (UV)-curable maleic anhydride liquid polybutadiene films were prepared by using pentaerythritol tetra(3-mercaptopropionate) (PETMP) as the crosslinker in 10 s. Fourier transform infrared (FTIR) spectra showed that maleic anhydride ring opened rapidly and reacted with sulfhydryl group to form thioester; meanwhile, SH group reacted with a double bond by thiol-ene reaction, and both reactions resulted in the rapid increase in gel contents. Due to the unique flexible nature of maleic anhydride polybutadiene (MLPB) and the moderate cross-linking degree provided by PETMP, the addition of PETMP in the range of 20%–25% significantly enhances their overall mechanical properties. The tensile strength of free-standing MLPB-PETMP films increased by three times, while its elongation reduced by less than 20%; their adhesion to carbon steel increased by more than three times to 5.0 MPa. Additionally, these films could be folded 180° on aluminum foil without damage and maintained a much lower wear level even after 3000 cycles of abrasion. However, the excessive addition of PETMP caused uneven distribution and aggregation, resulting in internal defects and thus the reduction in mechanical performances. Moreover, their thermal stability in air was also found improved, attributing to the increase in cross-linking degree and the formation of higher strength S<span></span>C bond.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 17","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143689838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of Ultrafine Cement Mineral Phase C4AF on the Properties of PVDF Composite Films

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2025-01-26 DOI: 10.1002/app.56607

Han Guo, Zhaocai Zhang, Yu Zhu

{"title":"Effect of Ultrafine Cement Mineral Phase C4AF on the Properties of PVDF Composite Films","authors":"Han Guo, Zhaocai Zhang, Yu Zhu","doi":"10.1002/app.56607","DOIUrl":"https://doi.org/10.1002/app.56607","url":null,"abstract":"<div>\u0000 \u0000 <p>The development of intelligent buildings requires energy harvesting technology, especially smart piezoelectric materials. This paper mainly explores the possibility of applying polyvinylidene fluoride (PVDF) as a piezoelectric energy storage material in building structures. In order to make PVDF piezoelectric energy storage materials suitable for the cement-based materials, the cement mineral phase tetracalcium aluminate (C<sub>4</sub>AF) as filler and PVDF as matrix are used to prepare ultrafine C<sub>4</sub>AF-PVDF composite films. The mechanical properties, crystal structure, thermal behavior, electrochemical behavior, and morphology of C<sub>4</sub>AF-PVDF composite films are characterized. The results show that a small amount of C<sub>4</sub>AF can be uniformly dispersed in the PVDF matrix and fill the pores, which not only maintains the good toughness of the PVDF film but also promotes the nucleation and crystallization of the film. Meanwhile, the conceptual model developed in this paper shows the mechanism of C<sub>4</sub>AF on PVDF film in macro and microstructures, explains, and analyzes the influence of C<sub>4</sub>AF on the PVDF film matrix from the level of nucleation and crystallization. This paper can provide reference value for the application of cement-based mineral phase materials combined with PVDF in the field of intelligent buildings for piezoelectric energy harvesting.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 13","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143466115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Properties of Recycled ABS and HIPS Polymers From WEEE and Their Blends With Virgin ABS Prepared by 3D Printing and Compression Molding

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2025-01-24 DOI: 10.1002/app.56797

Válmer Azevedo de Sousa Filho, Ana Caroline Santana de Azevedo, Rafaela de Oliveira, Ryan Lucas Pereira Bonfim, Anny Karine da Silva Amaral, Rafael Braga da Cunha, Pankaj Agrawal, Carlos Thiago Candido Cunha, Gustavo de Figueiredo Brito, Tomás Jeferson Alves de Mélo

{"title":"Properties of Recycled ABS and HIPS Polymers From WEEE and Their Blends With Virgin ABS Prepared by 3D Printing and Compression Molding","authors":"Válmer Azevedo de Sousa Filho, Ana Caroline Santana de Azevedo, Rafaela de Oliveira, Ryan Lucas Pereira Bonfim, Anny Karine da Silva Amaral, Rafael Braga da Cunha, Pankaj Agrawal, Carlos Thiago Candido Cunha, Gustavo de Figueiredo Brito, Tomás Jeferson Alves de Mélo","doi":"10.1002/app.56797","DOIUrl":"https://doi.org/10.1002/app.56797","url":null,"abstract":"<div>\u0000 \u0000 <p>The rapid increase in waste electrical and electronic equipment (WEEE) poses a significant environmental challenge. To address this issue, initiatives promoting circular economy principles have emerged, such as utilizing recycled acrylonitrile butadiene styrene (ABSr) and high-impact polystyrene (HIPSr) from WEEE. This study evaluated the properties of virgin ABS (ABSv)/ABSr and ABSv/HIPSr blends, with ABSr and HIPSr obtained from TV housing WEEE. The blend samples were prepared using filament extrusion, followed by either compression molding or 3D printing. ABSv exhibited a stronger shear-thinning behavior than ABSr and HIPSr at low shear rates, indicating a higher content of butadiene rubber. The viscosities of the blends increased with higher ABSv content at low shear rates and approximated those of ABSv, ABSr, and HIPSr at high shear rates. Overall, compression-molded blends demonstrated superior viscosities at low shear rates and higher impact strength compared to their 3D–printed counterparts.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 17","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143690023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Preparation of MOEAMCl and MAAm Based Hydrogels and Effective Use in Anionic Dye Adsorption

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2025-01-24 DOI: 10.1002/app.56774

Hilal Nur Duykop Demir, Ali Delibaş, Ayşe Benk, Ramazan Coşkun

{"title":"Preparation of MOEAMCl and MAAm Based Hydrogels and Effective Use in Anionic Dye Adsorption","authors":"Hilal Nur Duykop Demir, Ali Delibaş, Ayşe Benk, Ramazan Coşkun","doi":"10.1002/app.56774","DOIUrl":"https://doi.org/10.1002/app.56774","url":null,"abstract":"<p>In this study, hydrogels based on [2-(Methacryloyloxy)ethyl]trimethylammonium chloride (MOEAMCl) and methacrylamide (MAAm) were synthesized for the removal of anionic dyes from aqueous solutions. Following detailed characterization, the use of hydrogels for methyl orange (MO) adsorption was investigated. Hydrogels prepared at MOEAMCl-MAAm monomer feed ratios of 75:25 and 50:50 (HD-2 and HD-3) were found to be effective in MO removal. The optimal pH for MO adsorption was determined to be 9, the adsorption time 6 h, and the amount of adsorbent 0.1 g. Under optimal adsorption conditions, dye removal at an MO concentration of 1000 ppm was 89.4% and 90.9% for HD-2 and HD-3 hydrogels, respectively, with adsorption capacities of 950 and 994 mg/g. It was observed that MO adsorption on both hydrogels decreased with increasing adsorbent amount and temperature, but was almost unaffected by the medium matrix. Additionally, the Freundlich isotherm was found to be the appropriate isotherm model, and kinetic results indicated that the HD-3 hydrogel fit all examined kinetic models better than HD-2. In conclusion, it was determined that these adsorbents could be efficiently used for anionic dye removal.</p>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 16","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/app.56774","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143612350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Preparation and Characterization of Waterborne Multihydroxy Crosslinked Polyurethane Hybrid Core–Shell Emulsion

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2025-01-24 DOI: 10.1002/app.56779

Taishun Zhang, Manli Zhou, Bao Zhang, Xiaohong Peng

{"title":"Preparation and Characterization of Waterborne Multihydroxy Crosslinked Polyurethane Hybrid Core–Shell Emulsion","authors":"Taishun Zhang, Manli Zhou, Bao Zhang, Xiaohong Peng","doi":"10.1002/app.56779","DOIUrl":"https://doi.org/10.1002/app.56779","url":null,"abstract":"<div>\u0000 \u0000 <p>The use of waterborne polyurethane (WPU) is becoming increasingly prevalent in the effort to address the issue of glare. However, WPU continues to exhibit certain limitations in terms of its performance, including deficiencies in mechanical properties, and low chemical resistance. Consequently, this study employed polyacrylate (PA) modification to create waterborne polyurethane/acrylate (WPUA) hybrid emulsions with a core–shell structure, aiming to enhance their optical properties. Furthermore, different types of alcohol crosslinkers were added to investigate their effects on the optical and mechanical properties of the coatings. Accordingly, this paper presented the design and preparation of a multihydroxyl crosslinking modified antiglare core–shell PU@PA heteropolymer resin utilizing five different hydroxyl-containing crosslinking agents: polyhydroxy alcohols, trimethylolpropane, pentaerythritol, xylitol, and dipentaerythritol. The impact of selecting crosslinkers with varying hydroxyl numbers as well as optimizing their concentrations on particle size, gloss, and tensile strength of WPUA was thoroughly examined. Results revealed that with xylitol as the crosslinker at a mass fraction of 0.9%, the emulsion's average particle size was 680.6 nm, the gloss of the coating reached 42.8 GU, and the tensile strength was 22.31 MPa. The resulting functional WPUA exhibited excellent optical and mechanical properties, offering new insights for the development of antiglare coatings.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 17","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143690022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Optimization and Pyrolysis Kinetics of Waterborne Coatings Based on Saturated Polyester Resins and Totally Methyl Etherified Amino Resins 基于饱和聚酯树脂和完全甲醚化氨基树脂的水性涂料的优化和热解动力学

IF 2.7 3区化学

Journal of Applied Polymer Science Pub Date : 2025-01-24 DOI: 10.1002/app.56717

Zhaoxian Che, Lidan Niu, Yuhan He, Xianliang Huang, Jiarong Shi, Shihan Xu, Hang Long, Jie Zheng, Xiao Xu

{"title":"Optimization and Pyrolysis Kinetics of Waterborne Coatings Based on Saturated Polyester Resins and Totally Methyl Etherified Amino Resins","authors":"Zhaoxian Che, Lidan Niu, Yuhan He, Xianliang Huang, Jiarong Shi, Shihan Xu, Hang Long, Jie Zheng, Xiao Xu","doi":"10.1002/app.56717","DOIUrl":"https://doi.org/10.1002/app.56717","url":null,"abstract":"<div>\u0000 \u0000 <p>Amid the urgent call for the coatings industry to increase ecological awareness, a decisive shift toward environmentally friendly coatings is imperative. In this study, the L<sub>9</sub>(3<sup>4</sup>) orthogonal experimental design is used to optimize the formula of the waterborne coating made from waterborne saturated (WS) polyester resins and totally methyl etherified amino resins. The composite resin coatings exhibit excellent properties under optimized conditions (resin solid content ratio 2:1, curing time 40 min, curing temperature 433 K). FTIR confirms the successful crosslinking between WS polyester and totally methyl etherified amino resin, and TGA shows four-stage thermal weight loss, with the most significant loss in the third stage (623–743 K). Pyrolysis kinetics at this stage, analyzed using Kissinger-Akahira-Sunose and Coats-Redfern method methods, reveal a three-dimensional diffusion mechanism with an activation energy of 215.25 kJ/mol and a pre-exponential factor of 6.83 × 10<sup>15</sup> min<sup>−1</sup>. This research enhances understanding and advancement of sustainable coating technologies for various industrial applications.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"142 15","pages":""},"PeriodicalIF":2.7,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143565391","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0