Rongmin Wang

Northwest Normal University · Institute of Polymers

The environmentally friendly, low toxic or nontoxic, and functional material to solve the needs of agricultural development are the key to current scientific research. Here, acrylic thiazole copolymer clusters (AcTPCs) were successfully synthesized by using common methacrylic acid as an induced source, combined with the antimicrobial monomers acryl...

Photocatalysis is a green technology with important application prospects in environmental fields such as wastewater treatment. Herein, we synthesized chrysanthemum‐like BiOBr microspheres (CLB0.45) by introduction of structure guide and soft‐template. Natural biomass chitosan (CS) in the precursor of BiOBr successfully suppressed the growth of bot...

The inherent migration behavior of bacteria has inevitably impacted the advancement of the antibacterial treatment technology. Hunting bacteria, especially those with flagellates, requires self-propelled materials, which could kill bacteria autonomously. Herein, we designed and synthesized a self-propelled micromotor (SPM) tailed with poly(thiazole...

Soybean residue has caused pollution to the environment due to high output. Herein, in order to reutilization soybean residue, a novel soybean hulls residue based hierarchically porous carbon was prepared by one‐step carbonization‐activation, and its structure and micromorphology were characterized by SEM, FT‐IR, Raman, TEM, BET and XPS. Based on r...

Loess (Lo) is a resource-rich natural mineral material mainly composed of clay and other mineral components, which has the advantages of low price and large specific surface area. The grafting polymer is an effective strategy for improving the adsorption effect of Lo. In this paper, using KH-570 as a modifier, N-vinylpyrrolidone (NVP), maleic anhyd...

Notopterygium incisum Ting ex H. T. Chang (N. incisum) is a precious Chinese traditional medicine distributed in high-altitude regions of southwest China. The aim of this study was to investigate the composition, antibacterial activity, and cytotoxicity of essential oil from aerial parts of N. incisum. N. incisum essential oil (NI-EO) was extracted...

The environment and human health are in danger due to the long-term enrichment and buildup of organic pesticides, dyes, and harmful microbes in wastewater. The development of functional materials that are efficient for treating wastewater remains a significant problem. Eco-friendly hexagonal spindle-shaped Fe-MOFs (Hs-FeMOFs) were created in this s...

Loess is a widely existing cheap natural inorganic material, due to its complex composition and insufficient understanding of its efficient utilization and repeated utilization, it has not been widely used. Therefore, in this article, a simple method with buoyancy and gravity sedimentation to separate loess into large, medium and small particles. B...

With the increasing risk of bacterial infections, antimicrobial materials have been paid attention and rapidly becoming the main components for alleviating bacterial pathogens, while synthetic polymer antibacterial materials play a crucial role. In this work, a series of acryloyl copolymer core–shell microspheres (AcCPMs) with cationic groups on it...

Recently, anisotropic particles have attracted attention because their unique topology, functions and wide applications. Here, a new type of acrylate copolymer microspheres (AcPMs) with anisotropic wrinkled surface was synthesized with conventional monomers through two‐step self‐assembly in one‐pot with regulating reaction media. First, butyl acryl...

Conductive hydrogels are widely used in the field of wearable sensors and artificial intelligence due to their excellent properties. However, most reported conductive hydrogels are not capable of adjustable adhesion...

The environmental pollution with fluoride compounds was currently being paid more and more attention as it threatens the safety of animal and human life in an ecosystem. In this study, an eco-friendly adsorbing material for removing fluoride ion (F⁻) was prepared by hydroxyapatite nanowires (HAnWs), a typical biocompatible inorganic conjugates. UiO...

Streptococcus agalactiae is among the major causative pathogens of bovine mastitis, as well as crucial pathogen leading to human morbidity and mortality. Being a promising natural antibacterial agent, linalool has been broadly applied in medicine and food processing. However, its antibacterial effect against S. agalactiae has barely been elucidated...

The core‐shell structures of MoS2 and SiO2 were successfully synthesized by hydrothermal method, which were incorporated into EP/CTBN15 aiming at improving its tribological properties. The improvement of the wear resistance of the composite was associated with the formation of transfer films, which were found to be formed due to the transfer of bot...

As a novel antimicrobial material, quaternary phosphonium salts (QPSs) have been drawing close attention because of their excellent antimicrobial capacity with high activity and low bacterial survivability. Polymeric QPSs (PQPSs) also exhibit selectivity and long-term stability, however the polymerization of QPSs is severely challenged by low contr...

The cotton fabrics (CF) with durable and stable antibacterial function is very important in the field of medicine and public health, and it is still a challenge to explore highly efficient antibacterial materials. Herein, by using one‐pot method of soap‐free emulsion polymerization, a kind of polymer cationic broccolo‐shaped nanoparticles (PCBsNPs)...

A kind of novel thermal and pH stimuli-responsive core-shell microspheres (BSA@PVP) based on bovine serum albumin (BSA) have been synthesized via in-situ polymerization of N-vinyl pyrrolidone (NVP), and subsequent self-assembly in aqueous solution. The structure and morphology of the BSA@PVP microspheres were characterized by FT-IR, TEM and DLS. Th...

Phosphorus is one of key nutrients for plant growth and the main ingredient in phosphate fertilizer, while it is abundant in wastewater as contaminant. Here, in order to recycle discarded phosphate with a kind of eco-friendly inorganic functional materials, a novel Zr-doped layered double hydroxides (ZrLDHs)- based 3D microspheres (ZrLDHMs) was pre...

The selective separation of organics is very important in environment management and experiment, and the development of functional materials for selective adsorption is still a challenge. In this study, using hydroxyapatite nanowires (HAnW) as an eco-friendly artificial inorganic carrier and manganese dioxide (MnO2) nanoparticles (MnO2NPs) as activ...

In nowadays, environmental pollution has been greatly improved, but the development of low-cost and environmentally friendly materials are still challenge in the field of water treatment. Herein, a cheap and eco-friendly natural loess particle (LoP) was used for in situ growth of tungsten trioxide nanocubes (WO3NCs) on its surface via a simple one-...

In order to effectively promote the treatment of pollution containing organics or crude oil, many oil‐absorbing materials were explored. However, most of them were synthetic polymers, which was difficult to be decomposed and easily cause secondary pollution. In this study, zein and sodium alginate (SA), two cheap natural polymer materials, were use...

In order to explore the antimicrobic materials, new strategies for synthesis of particles were paid more and more attention as it was crucial to the advancement of material technology and environmental. In this work, we provided a strategy for construction of novel hollow‐carved microspheres (HCMs) by a simple method of emulsion interfacial polymer...

In the Loess Plateau region, the poor structure and properties of loess slopes will cause many types of geological disasters such as landslides, mudflow, land collapse, soil erosion, and ground cracking. In this paper, an eco-friendly polymer composite fertilizer (PCF) based on corn straw wastes (CS) and geopolymer synthesized from loess was studie...

The reversible addition‐fragmentation chain transfer polymerization (RAFT) is an effective method to control chain growth and regulate active centers in functional materials. Herein, a novel antibacterial material, polymer cations‐adjustable porous materials (PCaPM), was successfully synthesized by RAFT and quaternization. First, using 2‐(dodecylsu...

The hydrophilic Ti3C2, typical MXenes containing surface functional groups, possess excellent conductivity, was mainly applied in supercapacitors. However, it had not obvious photocatalytic and antibacterial activity because of high electron hole-pair recombination rate and concentration dependence. In this work, a novel MXenes-based Schottky junct...

Antibiotic pollution, a kind of important plague to human society, has received increasing attention. The photocatalysis with high degradation efficiency, energy saving, and environmentally friendly, has been becoming one of the most promising wastewater treatment techniques. In this paper, using in-situ hydrothermal synthesis technology, a semicon...

Using metal complexes of (5,10,15,20-tetrakis(p-bromophenyl) porphyrin) (MT4BrPP) (M = Co, Mn) and 4,4-diethynylbiphenyl as monomers, a porous polymeric metalloporphyrin [PoP(MTPP), M = Co, Mn] was successfully synthesized by Sonogashira cross-coupling reaction. Their morphology, structure and elements were characterized and analyzed by scanning el...

The occurrence of pathogenic infections, including fungi and bacteria, are easy to cause extremely serious consequences, such as fatal diseases, crop failure. It is a challenge for exploring novel antibacterial materials around the world because of its necessity and importance. In this study, a typical antibacterial metal complex, SalPhen zinc comp...

Hierarchical porous polymer particles (HPPPs) from the assembly of polymer chains have attracted increasing interest because of their prospective applications in drug delivery and catalysis. This work utilized a blending strategy of polymer mixture in mixed solvents to fabricate HPPPs with adjustable pore structures. Firstly, using methacrylic acid...

Using feather keratin (FK), a kind of biocompatible natural polymer being extracted from widely available and renewable waste feathers, and sodium alginate (SA) as materials, the FK conjugated SA gel beads (FK-SA-Gbs) were prepared with double cross-linked by calcium ion (Ca²⁺) and 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride (EDC)....

Antibacterial materials have been rapidly emerging as a primary component in the mitigation of bacterial pathogens, and green functional materials play a vital role in the antibacterial field. In this study, biocompatible hydroxyapatite nanowires (HANW) was used as a carrier, a coral rod-like nanowires hybrid of MoS2 and HANW (CR-MoS2@HANW) was syn...

In order to boost photocatalytic capacity of bismuth oxyhalides semiconductors, we found a facile strategy for dramatical enhancement of photocatalytic activity, and a novel BiOCl nano-roundels based hollow microbasket (BinHmB) was prepared with being induced by chitosan (CS), which the hollow microbasket was complected by the coordination, the the...

A kind of polymer single-hole microjars (PsHmJs) was synthesized through a simple copolymerization-assembly method. Firstly, using mixed EtOH/H2O as solvent and azobisisobutyronitrile (AIBN) as initiator, two types of copolymer chains were synthesized, which afforded an amphiphilic copolymer of butyl acrylate - methacrylic acid - methyl methacrylat...

Semicoke (SC) is a kind of powder of industrial by-product that easily cause environmental pollution as it consists of stable organic matter in clay mineral. In this work, a porous...

BiOBr is a kind of promising photocatalyst because of excellent photoelectric separation efficiency and chemical stability. In order to improving practical application performance, a novel BiOBr ultra-thin nano-roundel (BiOBr-nR) was constructed in water-in-oil (WIO) emulsion microspheres, and prepared by hydrothermal reaction. Its specific surface...

The antimicrobial materials are rapidly emerging as a primary component in mitigation of bacterial pathogens, and functional polymers play a vital role for preparation of antibacterial materials because of their good durability and low toxicity. In this study, a novel antimicrobial materials with double antibacterial centers were synthesized by pol...

Feather keratin (FK), a kind of low‐cost natural biopolymer with strong mechanical properties, was pretreated by sodium hydroxide solution, and then reacted with N‐hydroxy succinimide (NHS) coupled sodium alginate (SA) (SA‐NHS), which afforded multilayer microporous materials (FK‐SA sponge) of keratin combining alginate, and its performance as woun...

Hydroxyapatite nanowire (HAnW), a novel synthesized biocompatible material without any transition metals, was applied to catalytic degradation of antibiotics. Importantly, tetracycline (TC), a common drug, could be rapidly adsorbed and catalytically degraded by HAnW, and the removal reached 85% within 5min at room temperature.

With the popularization of intelligent terminals and the improvement of medical level, the development of flexible wearable electronic devices (FWEDs) with high sensitivity and excellent mechanical properties plays a vital role in human motion and health monitoring. But most of FWEDs still stuck in a difficult choice of mechanical, functional and s...

Bacterial infection has been attracted significant attention as it became an austere menace to public health systems. In this work, a novel thin-wall bowl-shaped particles (BSPs) were prepared by the solvent-induced phase separation method. Firstly, the copolymerization of methacrylic acid (MAA) and methyl methacrylate (MMA) were employed to synthe...

Nitrogen fertilizer is one of the most vital major nutrients that plants need. However, its utilization rate was only 30% ~ 35%, and most of nitrogen was lost due to volatilization and leaching, which not only led to environmental pollution but also wasting of resources. Therefore, developing cost-effective, eco-friendly and multifunctional slow-re...

The preparation of hydrogels for excellent sustained‐release drugs has been a focus of extensive research. In this study, lignosulfonate (LS), a kind of byproduct of papermaking, was used as a natural polymer material, acrylamide (AM) and hydroxyethyl methacrylate (HEMA) as monomers, N, N’‐methylene‐bis‐acrylamide (MBA) as cross‐linking agent, a no...

Montmorillonite (Mnt), a clay mineral with a nanolayered structure, was combined with an Fe-based metal–organic framework (MOF; MIL-53(Fe)) using an in situ growth technique that yielded a novel eco-friendly clay-based adsorbent (MIL-53(Fe)@Mnt). The adsorbent was characterized by scanning electron microscopy, Fourier-transform infrared spectroscop...

The prevention of bacterial adhesion and proliferation on substrate surfaces have been recently growing interest of scientists. Herein, hollow Janus copolymer microspheres (PSV JMs) containing hydrophilic sodium sulfonate groups (-SO3Na) on its outer surface and hydrophobic benzyl chloride groups (-C6H5-CH2Cl) on its inner surface, were first synth...

Loess is a large-scale deposit which is easy to mine and widely distributed on the epipedon. The clay fraction of loess, also known as ‘loessial clay’, is a very important component of loess which affects its properties and performance. From a ‘materials’ perspective, the clay fraction of loess has been ignored. Recently, loess particles have attra...

Extensive Early Permian mafic-ultramafic intrusions, doleritic dykes, and basalts crop out within the Beishan area, southern Central Asian Orogenic Belt (CAOB). We present new geochronological and geochemical data for Gubaoquan dolerite dyke swarms in the Beishan orogenic belt. Zircon U-Pb Dating of the Gubaoquan dykes indicates that they were empl...

The attapulgite (APT), a typical clay with shape of nano-rod, was introduced MIL-101(Fe), a typical eco-friendly iron-based Metal-Organic Framework materials (MOFs), during the preparation by one-step solvothermal method, which afforded a novel APT and MOFs hybrids (APT@MIL). Based on the characterization of SEM, FT-IR and XRD, it was found that th...

Superoxide anion radical (O2•−) is a noxious reactive oxygen species (ROS). Transition metal ion complexes have been generally used as antioxidants to eliminate ROS. In this work, the soybean protein isolate (SPI), a biodegradable vegetable protein, was first combined with polyvinyl alcohol through hydrogen bonding for the synthesis of SPI-based po...

Although metal organic frameworks (MOFs) presented excellent photocatalytic activities, the rapid recombination of light-induced charges and low visible light utilization efficiency hindered their practical applications. In this work, a novel heterojunction photocatalytic materials of MOFs-based semiconductor, the flower-like hybrids ([email protec...

The prevention and treatment of microorganism contamination on substrate surfaces have recently generated significant concern of scientists. In this paper, a novel diblock copolymer containing antibacterial quaternary ammonium groups as pendant groups, poly(3-(methacryloylamino) propyltrimethyl ammonium chloride)-b-poly(styrene) (PMS), was synthesi...

The antibacterial materials are rapidly emerging as a primary component in mitigation of bacterial pathogens, and functional polymers play a vital role for the preparation of antibacterial coatings. In this study, using one-pot soap-free emulsion polymerization, we synthesized blackberry-shape cationic copolymer particles (BsCCP) with broad-spectru...

A novel hydrophilic and underwater oleophobic biomass polymer material was synthesized through surface modification using discarded feather fibers from chicken (CF). Firstly, CF fiber was degreased and pretreated by reduction. Then, a silane coupling agent (KH-570) was successfully grafted onto the fiber surface by mercapto-alkenyl click reaction,...

Antibacterial materials are rapidly emerging as a primary component in the mitigation of bacterial pathogens, and functional polymers play a vital role in the preparation of antibacterial coatings. In this study, a novel antibacterial polymer with double active centers was synthesized. Firstly, using one-pot soap-free emulsion polymerization techno...

One‐pot transformation of monomer mixtures into block copolymers remains a key challenge. Herein, a metal‐free route to prepare block copolymers from monomer mixtures by a hydroxyl functionalized ionic liquid of 3‐(2‐hydroxyl‐ethyl)‐1‐methylimidazolium bromide (HEMIMB) is described. HEMIMB can bridge two catalytic cycles including ring‐opening alte...

Loess is a typical natural mineral particle distributed widely around the world, and it is inexpensive, readily accessible, and harmless to the environment. In this study, loess was modified by surface grafting copolymerization of functional monomers, such as acrylic acid (AA), N-vinyl pyrrolidone (NVP), and N,N-methylenebisacrylamide (MBA) as a cr...

The construction of graft copolymer is an effective method to modify the properties of CO2-based aliphatic polycarbonate (CO2-APC) fitting for specific needs. Herein, we describe a facile route to the synthesis of CO2-based APC-graft-polystyrene copolymers by “grafting from” strategy. Firstly, the copolymerization of CO2 and epichlorohydrin (ECH) w...

Microorganism contamination on substrate surfaces is arousing increasingly concern as a serious health issue. In this study, we described fabricating antimicrobial cationic acrylate-based composite and investigating it as antimicrobial coatings of interior walls in buildings. Firstly, utilizing 3-(methacryloylamino) propyltrimethyl ammonium chlorid...

The mirage is a unique optical phenomenon in the desert. This paper investigates the mechanism by which they form. Optical experiments in the Gobi show that the refractive index decreases about 20 to 40cm above the ground causing a total reflection of ground surface light. Thus, ground light cannot get through and a ‘water surface’ mirage is formed—...

With the mounting prevalence of microbial contamination caused by multidrug-resistant microorganisms, the innovative and efficient antibacterial materials will play an increasingly significant part in addressing bacterial pathogens from microbial pollution in the future. In this study, the popcorn-like polymeric nanoparticles (PPNPs) with large amo...

The electrocatalytic N2 reduction reaction (NRR) provide an environmentally benign approach for NH3 production that can be powered by renewable energy. It remains a challenge to understand the NRR mechanism and develop highly chemically active and selective yet low‐cost electrocatalyst. Herein, we report that N, P co‐doped porous carbon (NPC) with...

C‐doped into the BiOBr is a big challenge because unique lattice structure. Here, using sodium alginate (SA) as the structure‐directing agent and C source, the C‐doped BiOBr micron‐flower (BiOBr‐SA) was in‐situ synthesized with KBr and Bi(NO3)3 with hydrothermal, and characterized by XRD, SEM, XPS, BET and DRS. It was found that SA could control mo...

Using a kind of rich soil in the world, loess soil (LS), as natural silicate minerals materials, a novel low-cost inorganic / synthetic polymer composite, loess/polyacrylamide composite (LS/PAM), was prepared by in-situ polymerization of acrylamide. The obtained LS/PAM composite was characterized by infrared spectra (IR), thermogravimetric analysis...

In this paper, soybean protein isolate(SPI) was used as template, hydroxyapatite was crystallized on protein chains of SPI by in-situ synthesis, then the obtained inorganic HA/biopolymer SPI composite (HA@SPI) was calcined at suitable temperature, which afforded a novel hydroxyapatite-based porous materials (HApM). The results indicated that the pr...

Effective synthesis of anisotropic nano-/microparticles (APs) by the copolymers are of great significance in nanomaterials and nanotechnology. However, achieving regulation over the morphology, composition, property, and particle size of anisotropic nano-/microparticles (APs) with diversified properties by the copolymers is difficult due to complex...

The synthesis of Janus particles has been thriving in recent years, especially effective preparation strategies and amazing properties are the key focus of current academic and practical perspectives. In this work, the mushroom-shaped polymeric Janus particles (MsPJPs) with controllable morphologies and emulsifiabilities were first prepared by faci...

The electrocatalytic conversion of nitrogen gas at ambient conditions represents a novel approach for ammonia synthesis to the sustainable society. It is critical to understand the detail pathways and mechanism of this promising process to develop highly efficient catalyst. Herein, N, P co-doping carbon (NP-C-MOF-5) catalyst was prepared for electr...

The pig hair keratin (PHK) has been successfully extracted by a facile method of reduction, and the optimal yield of pure keratin is 61%. FT-IR and CD spectra indicate that the secondary structure of the extracted PHK is mostly β-sheet and random coil. UV-Vis spectra show that characteristic absorption peaks at the vicinities of 208 nm and 275 nm w...

Reduction of nitrogen (N2) at ambient conditions and understanding the mechanism have been huge challenging problems for decades. Herein, we for the first time report that N, P co-doped hierarchical porous carbon (NPC) can serve as electrocatalyst for nitrogen reduction reaction (NRR) in the acid aqueous solution under ambient conditions. The Farad...

Using Loess of clay (LC) which is low-cost, highly hydrophilic and small granule materials, biocompatible itaconic acid (IA), 2-hydroxyethyl methacrylate (HEMA) and N-vinyl-2-pyrrolidone (NVP) as functional monomers, a novel biocompatible polymer composite adsorbent (LC/PIHN) was prepared by in-situ copolymerization. It was applied to remove copper...

To address the problem of limited application of natural SOD, the development of SOD mimic enzymes is of great importance for bioantioxidation. Herein, we report on a new type of biopolymer antioxidant with excellent scavenging activity for O2•- , keratin-glycine metal complexes (FK-GlyM, M = Zn, Cu, Mn, Ni). They are prepared by feather keratin fi...

A novel multi-responsive amphiphilic copolymer (mRAP) particles with tunable emulsifiability was successfully prepared via one-step soapless emulsion polymerization using common monomers, such as methyl methacrylate, methacrylic acid (MAA), butyl acrylate (BA) and N,N-diethylacrylamide (DEAA). The obtained monodisperse spherical mRAP particles were...

Employing silicylacrylate and cationic acrylate as functional monomers, a novel silicylacrylate copolymer (SAC) antibacterial emulsion was successfully synthesized by soap-free emulsion polymerization. The effect of functional monomers, initiator and temperature on stability and antibacterial activity of SAC emulsion were investigated. Additionally...

Dyes have made a great contribution to the progress of this beautiful and bright world,but a large amount of wastes containing dyes have been discharged into the receiving aquatic environment. In this paper, a loess composited polymer adsorbent, poly (methacrylic acid)-grafted chitosan/Loess composite (PMAA-CS/ LC), was applied to remove methylene...

A novel polyurea-crosslinked cationic acrylate copolymer (PUAM) with antibacterial activity, using 3-(methacryloylamino) propyl trimethyl- ammonium chloride (MPAC) as antibacterial functional monomer, had been successfully synthesized by via soap-free emulsion polymerization. The microscopic morphology analyses from SEM and TEM demonstrated that th...

TiO2 photocatalysts modified by soy protein isolate (SPI@TiO2) were successfully prepared via hydrothermal method and characterized by diffuse reflectance UV‐vis spectroscopy, photoluminescence (PL), brunauere emmette teller (BET), scanning electron microscope (SEM), fourier transforming infrared spectrum (FT‐IR), and electrochemical measurements....

In this study, functional ionic liquids (ILs) composing carboxyl or sulfonic group were fabricated as the dopants for polypyrrole (PPy). These novel nanocomposites could be conveniently prepared via chemical oxidation polymerization of pyrrole (Py) using FeCl3·6H2O as the oxidant. The as-prepared IL@PPy nanocomposites were examined using Fourier tr...

Biomass is abundant and recyclable on the earth, which has been assigned numerous roles to human beings. However, over the past decades, accompanying with the rapid expansion of man-made materials, such as alloy, plastic, synthetic rubber and fiber, a great number of natural materials had been neglected and abandoned, such as straw, which cause a w...

Loess clay (LC), a very abundant clay with granules and high hydrophilicity, was modified by surface grafting copolymerization of functional monomers, such as acrylamide (AM) and sodium p-styrene sulfonate (StS), and a cross-linking agent (N,N-methylenebisacrylamide: MBA), which afforded a LC surface grafting copolymer (LC-PAmS). Its structure and...