Porous calcium carbonate seeks breakthroughs in these products!

Porous calcium carbonate has long attracted the attention of researchers due to its unique surface properties and internal structure. Powder Network editors have found that in recent years, porous calcium carbonate has demonstrated impressive "innovative" potential in industry applications, with several universities and companies making substantial research progress.

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On June 4, 2025, Tianjin University of Science and Technology provided a method.Composite oil-absorbing material based on porous calcium carbonate material and its preparation method and applicationThe oil-absorbing materialA composite oil absorption material is prepared using porous calcium carbonate as the porous substrate through surface in-situ polymerization of aniline.This composite oil-absorbing material has advantages such as high oil absorption rate, good oil retention, simple preparation process, easy operation and control, simple and easily obtainable raw materials, low production cost, non-toxic degradability, reusability, and structural stability. This material especially...Suitable for absorbing marine oil spillsIt can significantly improve oil absorption efficiency and reduce environmental pollution.

On July 22, 2025, Yang Series (Shandong) Biotechnology Co., Ltd. proposedAn analgesic and hemostatic agent and its preparation methodThe decellularized material is conjugated with snake venom thrombin and ibuprofen, embedded in a pH-responsive polymer to prepare pH-responsive microspheres. These are added to a temperature-sensitive hydrogel with a fermented traditional Chinese medicine to create an analgesic and hemostatic aqueous formulation.Mix porous calcium carbonate microspheres fixed with solid acid with hydroxyapatite to prepare a sprayable analgesic and hemostatic powder agent.The analgesic and hemostatic agent described in the present invention is prepared by combining a powder form and an aqueous solution, which not only better preserves the drug's activity but also provides effective hemostatic, analgesic, anti-inflammatory, and antibacterial effects. It offers controlled release for prolonged action, reduces the required dosage, and improves patient compliance, thereby presenting broad application prospects.

On December 26, 2024, Fujian Changyuan Textile Co., Ltd. providedA multifunctional blended yarn for emergency rescue and its preparation methodSurface treat the regenerated cellulose fibers, and thenDepositing porous calcium carbonate on the surface of regenerated cellulose fibers through in situ synthesis.The yarn is treated with an environmentally friendly flame-retardant finishing agent, enhancing its flame-retardant properties while maintaining its softness and breathability. Through an innovative combination of materials, the yarn achieves...Antibacterial, flame retardant, hemostaticThe multifunctional integration of.

On July 22, 2025, Jiangsu University provided a method based on...Encapsulation-type fluorine removal composite material using microbial mineralization technology and its preparation method.。Using urease vaterite calcium carbonate particles as the core material, and coating the outer surface of this core with a calcium-crosslinked porous composite membrane as the encapsulating layer of the material.；The calcium cross-linked porous composite membrane is a porous film material formed by the cross-linking of calcium ions and a porous matrix.The porous matrix is selected from any one of chitosan, cellulose, sodium alginate, or porous silicon.Urease-induced calcite calcium carbonate granules are formed in situ by adding a calcium source after urea hydrolysis catalyzed by urease.The composite material described in this invention exhibits high-efficiency fluoride removal and good stability when used in fluorine-containing wastewater. Additionally, the preparation method for this encapsulated fluoride removal composite material is simple and easy to implement.

On September 2, 2024, Huabang Texino New Materials Co., Ltd. providedA paper-based decorative material with UV resistance and its preparation methodIncluding surfactants,Calcium carbonate fillerMix the raw materials with wood pulp to obtain pulp; sheet the pulp onto a web, press, and dry to obtain base paper; apply a sizing agent to the base paper, dry and calender it to obtain paper-based decorative material.Porous calcium carbonate filler loaded with titanium dioxide.The invention can obtain resistance.Paper-based decorative materials with good UV resistance。

On August 19, 2024, Huabang Texino New Materials Co., Ltd. providedA mold-resistant paper-based decorative material and its preparation methodThe preparation method includes: using raw materials comprising a surfactant, isothiazolinone fungicide, porous calcium carbonate filler, and wood pulp to mix and pulp, obtaining a slurry; sheet forming, pressing, and drying the slurry to obtain base paper; applying a sizing agent to the base paper, drying, and calendering to obtain the paper-based decorative material.Porous calcium carbonate filler loaded with zinc oxide.。The invention can obtain paper-based decorative materials with good mildew resistance.。

On July 9, 2024, Xinjiang Wanlong Technology Project Development Co., Ltd. disclosed a plant-based pesticide solvent with high kill rate and its preparation method. The high kill rate plant-based pesticide solvent...Drug-loaded porous calcium carbonate microspherespH-responsive shell material composition; the aforementionedThe drug-loaded porous calcium carbonate microspheres consist of glycine-modified calcium carbonate, ferric chloride, traditional Chinese medicine components, and plant-derived glycerides.The pH-responsive shell material is composed of sodium carboxymethyl cellulose, Pleurotus eryngii polysaccharide, epichlorohydrin, and tannic acid.Coating the surface of drug-loaded porous calcium carbonate microspheres with a pH-responsive shell material to form a dual pH-responsive drug release system.The stability of the active ingredients has been enhanced, reducing the decomposition of plant-based pesticides due to light, temperature, and humidity. The constructed drug-loaded encapsulation structure can adhere to the surface of crop leaves for release, reducing the loss caused by pesticides rolling off or rebounding from the leaf surface, significantly improving utilization efficiency and achieving a high kill rate for pest and disease control.

On August 16, 2024, Wuhan Municipal Engineering Design and Research Institute Co., Ltd. providedAn additive for asphalt pavement material, self-healing asphalt pavement, and preparation method.The additive is composed of a composite material mixed with silver nanowire-modified microcapsules, asphalt regenerant, and porous calcium carbonate.The composite material of asphalt rejuvenator and porous calcium carbonate begins to slowly and effectively release the asphalt rejuvenator from the moment the asphalt pavement is formed, promptly replenishing the aromatic components missing from the asphalt and delaying the aging and cracking process of the asphalt.The collaboration of the two can effectively improve the durability and self-healing capability of asphalt pavement.

On April 9, 2024, Jiangsu Xiangtai Chemical Co., Ltd. publicly announcedAn antibacterial and deodorant plastic and its preparation methodThe invention utilizes triethoxy silyl butyraldehyde, 4-chloro-1-butylamine, and (R)-2-(dimethylamino) propionamide to prepare a homemade antibacterial agent. The interaction between the Schiff base structure and the quaternary ammonium structure in its molecular chain effectively inhibits bacterial growth, thereby enhancing the antibacterial and deodorizing properties of plastic.Using porous calcium silicate and porous calcium carbonate as deodorizing fillers for plastics.Using homemade antibacterial agents as crosslinking agents allows fillers and urea-formaldehyde resin to bond with each other, facilitating uniform dispersion of fillers and forming a crosslinked network structure within the plastic, which significantly enhances the mechanical properties of the plastic.

On April 1, 2024, Gaofan (Zhejiang) Information Technology Co., Ltd. providedA waterproof and breathable membrane and its preparation methodThe waterproof breathable membrane is obtained by electrospinning a spinning solution as the raw material; the spinning solution comprises, by mass percentage, 70-80% vinyl polysiloxane.Porous calcium carbonate 15%The organic solvent is 1529%. The waterproof and breathable membrane provided by this invention is made by usingThe spinning solution is made primarily from vinyl polysiloxane, porous calcium carbonate, and an organic solvent, and is then processed into a membrane through electrospinning.With excellent overall performance, it can balance mechanical properties, breathability, and waterproofness.Fabric for clothingThe field has good prospects for application.

On January 19, 2024, Far East Battery Jiangsu Co., Ltd. provided a method for supplementing lithium in lithium-ion battery electrolyte.Li@CaCO₃A load medium releases lithium ions on its surface when active lithium ions in the electrolyte are consumed, supplementing new lithium ions, which can enhance the initial efficiency and cycle life of lithium batteries.Furthermore, Nano calcium carbonate can effectively adsorb byproducts such as HF produced during the cycling of the battery in the electrolyte, reducing the acidity of the electrolyte and enhancing the cycling life of the battery.Finally, the method of lithium addition is simple and convenient, does not require special equipment, is cost-effective, and is conducive to large-scale promotion.