1、丙烯酸树脂漆渣共混改性PVC泡沫复合材料性能研究
Abstract: Polyvinyl chloride (PVC) foam system was modified with the blending of recycled thermoplastic acrylic resin and paint slag, and the foam composite was prepared by using hot-pressing method.
2、Property modification of rigid polyurethane foam by end
The modified PU foams maintained their mechanical and thermal insulation properties, making this method a promising route for the effective recycling of PVC foam waste.
3、Whisker
To improve the strength and toughness performance of PVC, the resin reinforced with magnesium borate whiskers (MBOw ) were prepared by mixing whiskers into liquid PVC at room temperature.
4、Modifying Polyvinylidene Chloride Resin with
In this study, modified PVDC resin with excellent water resistance and mechanical properties was synthesized through seeded emulsion polymerization using octafluoropentyl methacrylate and trimethylolpropane trimethacrylate as modifying monomers.
5、Research of Polyvinyl Chloride (PVC) and Its Modification
As can be seen from Figure 1, compared with PVC resin, the contact angles of PVC-g-C and PVC-g-C–A resins are all reduced, and the modified resin has better hydrophilicity and can be used in construction plastics.
Preparation and Properties of a Lightweight, High
There are three approaches to preparing rigid cross-linked PVC foam materials.
The influence of phenolic resin modified by cardanol on improving the
We propose alternatives based on phenolic resin prepolymer modified by cardanol (CPF), which were added to PVC as reactive plasticizer and can improve the processability of PVC.
100% Virgin Modified PVC Expand Foam Composite for Shoe Soles
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Effect of Foaming Agents on Structure and Properties of Crosslinked
Abstract: Polyvinyl chloride (PVC) foam cross-linked by isocyanate and epoxy resin was prepared. Both azobisisobutyronitrile (AIBN) and azodicarbonamide (AC) were used as foaming agents in the prefoam process.
Development of lightweight rigid polyvinyl chloride foam for insulation
In this work, polyvinyl chloride (PVC) was plasticized using an epoxy silane coupling agent (KH560), subsequently foamed with supercritical CO 2 and water, resulting in lightweight, insulating, and cushioning rigid PVC foam.
In modern architecture and industrial applications, PVC foam materials are highly regarded for their unique properties and broad application range. The technology of modified resin PVC foaming is a key method to enhance its performance. By adding specific chemical additives, the physical properties of the material, such as density, hardness, heat resistance, and wear resistance, can be altered. These improved characteristics enable modified resin PVC foam materials to better meet specific usage requirements, ranging from household goods to industrial equipment and even advanced technological fields.
The basic concept of modified resin PVC foaming involves mixing PVC resin with specific chemical additives and then subjecting the mixture to foaming under certain conditions. This process entails complex chemical reactions, including cross-linking and curing reactions, to form a foam structure with specific porosity and mechanical strength.
One of the key advantages of modified resin PVC foam is its lightweight yet high-strength nature. Compared to traditional solid PVC materials, foamed PVC significantly reduces weight while maintaining high mechanical strength, which is critical for transportation and installation. Additionally, foamed PVC materials exhibit excellent thermal insulation properties, effectively reducing heat conductivity, making them widely used in insulation applications.
In practical applications, modified resin PVC foam materials are utilized to manufacture various products. For example, in the construction industry, they serve as insulating materials for roofs, walls, or floors, effectively reducing energy consumption for heating and cooling; in automotive manufacturing, they are used as soundproofing materials and interior components to enhance vehicle comfort and safety; and in furniture manufacturing, foamed PVC materials are widely employed for sofas, chairs, and other items due to their elasticity and impact resistance.
To meet these application requirements, PVC foam materials must adhere to strict performance standards. First, their density must be optimized to balance lightweight properties with sufficient strength. Second, their heat resistance must be adequate to maintain physical integrity under high temperatures. Finally, wear resistance and chemical corrosion resistance are critical evaluation metrics.
Researchers continuously explore new modification methods to address these challenges. For instance, incorporating nanofillers can enhance mechanical properties and thermal stability, while adjusting the type and dosage of foaming agents allows for precise control over bubble size and uniformity. These innovative approaches not only improve the overall performance of PVC foam materials but also open new possibilities for future development and application.
As technology advances, the application scope of modified resin PVC foam materials continues to expand. In the future, it is poised to demonstrate unique value in more domains, whether in energy-efficient buildings, comfortable transportation design, or durable and eco-friendly consumer product manufacturing.
As an efficient material, modified resin PVC foam holds immense potential for future development. Through ongoing technological innovation and optimization, it will better satisfy specialized demands across diverse fields, contributing significantly to human progress.
