JOURNAL OF APPLIED POLYMER SCIENCE
·
2023
·Vol. 141
·期 10
·e55066
·
IF 3
Chongyang Yang,Liyang Song,Yumiao Sun,Yuheng Han,Ting Wang,En Zeng
To overcome challenges in pigment dispersion, especially for difficult-to-disperse pigments like phthalocyanine blue, the structure of dispersants has been studied in recent years. Herein, we present the development and performance evaluation of a structured polymer dispersant for efficient dispersion of phthalocyanine blue and color paste preparation. The dispersant was synthesized using a two-step free radical polymerization process, allowing precise control over its structure. The study investigates the impact of key factors on dispersion, including the molecular weight of the hydrophilic long-chain poly(ethylene glycol) monomethyl ether (MPEG), the ratio of anchoring groups styrene (St) and dimethylaminoethyl methacrylate (DMAEMA), and the dispersant dosage. Optimal stability was achieved with MPEG-400 as the hydrophilic long chain and a St:DMAEMA ratio of 1:1, along with a MPEG-400AA:AA ratio of 0.5:1 at 2000 r min −1 . At a dispersant dosage of 25%, the particle size of the color paste measured 340 nm, with viscosity reaching 600 mPa·s. The structured dispersant effectively synergized spatial potential resistance and electrostatic effects to achieve stable pigment dispersion. These findings offer promising prospects for advancing dispersant technologies, with implications for improving color-based applications across various industries, such as paints, coatings, and inks.
研究领域:
材料科学
·
化学工程
✓ 已验证
产品关联
DOI
高影响因子
Journal of Biomedical Nanotechnology
·
2022
·Vol. 18
·期 12
·2818-2827
·
IF 3.641
Yang You,Wang Xing-Heng,Wang Jun,Zhang Ju-Ying,Chen Wen,Yang Hao,He Ping,Tang Xiao-Qing,Yu Jin-Hong
Nanoscale phase-variant ultrasound contrast agents have attracted the interest of many researchers. However, it is a challenge to design nanobubbles that are activated by low-frequency medical ultrasound that do not cause damage to normal tissues. In this study, we designed a new type
of nanoparticle consisting of perfluoropentane and iron polyphthalocyanine loaded into liposomes. These nanoparticles can be activated by a low-frequency medical ultrasound imager at a frequency of 5 MHz for ultrasound imaging and clear reactive oxygen species at a rate of more than 50%. This
ability to scavenge excess reactive oxygen species can alleviate the damage these species cause and protect macrophages. Moreover, these nanoparticles can effectively enhance ultrasound contrast imaging for real-time visualization in the diagnosis and treatment of diseases.
研究领域:
医学影像学
·
纳米医学
·
生物化学
✓ 已验证
DOI
高影响因子
SOLAR ENERGY MATERIALS AND SOLAR CELLS
·
2025
·
IF 6.3
Minhong Xu,Zijuan Yu,Xuebin Zhang,Bishen Zhao,Liangjie Qi,Guoxiang Pan
The development of environmentally friendly green pigments with high near-infrared reflection to replace traditional chrome green pigments is one of the key areas of pigment research. This paper proposes a composite green pigment FAT 4 Z 0.5 P 0.15 using heat-resistant iron oxide hydroxide (FA) and phthalocyanine blue (CuPc) as pigments, and constructing a TiO 2 and hydrotalcites interface layer to achieve a green tone comparable to Cr 2 O 3 while enhancing the near-infrared reflectivity. The XRD and SEM test results show that components belonging to TiO 2 , hydrotalcites and CuPc have formed on the surface of FA pigment, with their crystal structures and morphological characteristics, and a multi-layer heterogeneous composite structure has been formed. The XPS test results indicate that there are interactions between the interface layers formed by each component. After the coating treatment, the heat resistance of prepared pigment has improved. The near-infrared reflectance of FAT 4 Z 0.5 P 0.15 ( L∗= 56.88, a∗= -9.91, b∗= 1.61) reaches 70.28 %, which is much higher than that of Cr 2 O 3 pigment ( L∗ = 55.34, a∗= -6.65, b∗= 3.86) at 49 %. The results of radiant heat flow reduction performance test show that the heat flux of FAT 4 Z 0.5 P 0.15 -coating and FAT 4 N 0.5 P 0.15 -coating are 21.08 W/m 2 and 22.36 W/m 2 , respectively. The composite pigment coatings can significantly reduce the temperature inside a simulated house and are expected to be used as energy-saving pigments to reduce energy consumption.
研究领域:
材料科学
·
无机化学
·
功能材料
·
能源材料
·
表面工程
·
涂料科学
✓ 已验证
产品关联
DOI
高影响因子
DYES AND PIGMENTS
·
2016
·
IF 4.055
Chenglong Wang,Lili Wang,Yi Huang,Xuying Nan,Qinguo Fan,Jianzhong Shao
A novel reactive organic pigment complex was prepared by 3-(Trimethoxysilyl) propyl methacrylate encapsulated on the surface of the organic pigment. The preparation conditions of the reactive organic pigment complex were optimized and the properties were characterized by FT-IR, DLS and UV–vis. The reactive organic pigment complex was used in blue-light curable pigment inks. The results showed that the photo-polymerization performance of the novel blue light curable pigment ink system was markedly increased in comparison with conventional pigment-based ink systems. The physical shielding effect of pigment particles on photo-polymerization performance can be reduced by increasing the photoinitiator concentration and irradiation intensities. The colorfastness to crocking of printed fabric was remarkably improved. However, the particle size of reactive organic pigment complex was slightly increased.
研究领域:
材料科学
·
化学
·
纺织工程
·
印刷技术
✓ 已验证
产品关联
DOI
高影响因子
JOURNAL OF HAZARDOUS MATERIALS
·
2024
·
IF 12.2
Ganning Zeng,Mengzheng Dai,Peirui Liu,Tiansheng Chen,Lingling Hu,Hongwei Luo,Qian Zhou,Mingming Du,Xiangliang Pan
Light-stabilizing additives may contribute to the overall pollution load of microplastics (MPs) and potentially enter the food chain, severely threatening aquatic life and human health. This study investigated the variation between polystyrene (PS) MPs and phthalocyanine blue (CuPC)-containing MPs before and after photoaging, as well as their effects on Microcystis aeruginosa . The presence of PS-MPs increased cell mortality, antioxidant enzyme activity, and the variation in extracellular components, while the presence of CuPC exacerbated these variations. CuPC-containing MPs caused different increasing trends in superoxide dismutase and malondialdehyde activities due to electron transfer across the membrane. Transcriptomic analysis revealed that the MPs and CuPC affected various cellular processes, with the greatest impact being on cell membranes. Compared with MPs, CuPC negatively affected ribosome and polysaccharide formation. These findings provide insights into the molecular mechanisms underlying the cellular response to MPs and their associated light-stabilizer pollution and imply the necessity for mitigating the pollution of both MPs and light-stabilizers.
研究领域:
环境科学
·
毒理学
·
水生生物学
·
分子生物学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
RSC Advances
·
2017
·Vol. 7
·期 57
·36175-36184
·
IF 3.108
Chenglong Wang,Lili Wang,Yi Huang,Yiding Meng,Guangdong Sun,Qinguo Fan,Jianzhong Shao
The reactive pigment composite particles were fabricated by a two-step method. Phthalocyanine Blue (PB) was encapsulated with silica through a Sol–Gel method in the first step, and the encapsulation conditions were optimized. 3-(Trimethoxysilyl)propyl methacrylate was then grafted onto the silica encapsulated organic pigment (EPB) in the second step, and the FT-IR analysis indicated that the relevant functional groups had been introduced onto the EPB. The particle size, hydrophilicity and the color characteristics of the Reactive Phthalocyanine Blue (RPB) changed little in comparison with PB. The photo-polymerization performance of the RPB-based ink showed a certain increase, and the fastness toward crocking of the printed fabrics was coordinately improved.
研究领域:
材料科学
·
化学工程
·
纺织科学
·
印刷技术
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）