1、UV

UV-curable epoxy varnishes modified with polyvinyl butyral (PVB) and polyvinyl butyral-stat -acetal (PVBA) resins. An influence of a type and content of PVB and PVBA on thermal, optical, mechanical, and barrier features of the varnish coatings was investigated.

2、Reaction between PVB and epoxy resin

Download scientific diagram | Reaction between PVB and epoxy resin from publication: Carbon-epoxy composites reinforced with nano-structures of tungsten disulfide for potential use in...

3、Epoxy modification with poly (vinyl acetate) and poly (vinyl butyral

In epoxy–PVAc blends it was possible to obtain morphologies with continuous thermoplastic phase. However, only sea-island morphologies with a very small size of PVB-rich phase were observed in epoxy–PVB matrices.

4、Research progress of functional polyvinyl butyral resins

This paper summarizes the research on the functional modification of PVB resin from six different application aspects, including anti-ultraviolet, thermal conductivity, waterproof and oil resistance, anti-fouling and antibacterial, anti-corrosion and self-healing.

5、Epoxy modification with poly (vinyl acetate) and poly (vinyl

Epoxy/anhydride systems were modified by up to 8 wt % poly (vinyl acetate) (PVAc) and up to 6 wt % poly (vinyl butyral) (PVB). In epoxy–PVAc blends it was possible to obtain morphologies with continuous thermoplastic phase.

Study on the Modification of Waste Polyvinyl Butyral (PVB) and its

The results indicate that the optimal modification process for PVB involves a modification temperature of 70°C, a modification time of 6 h, and 6 g of PA. The feasibility of applying the prepared coated fabric in the field of trademark ribbon fabric was examined.

Combination application of Polyvinyl Butyral with other materials

PVB resin has excellent transparency, good insulation, impact resistance and tensile properties. It has high tensile strength, good adhesion, good elasticity, resistance to inorganic acids and fats, and excellent comprehensive properties such as light resistance, cold resistance and aging resistance

CHAP 7

Therefore, we have blended a very small amount of PVB with epoxy resin in order to improve the fibre matrix adhesion as PVB possesses three different functional groups (acetate, hydroxyl and acetal group) and good adhesion properties with different materials.

Synergic effects of poly (vinyl butyral) on toughening epoxies by

Synergic effects of poly (vinyl butyral) (PVB) on rubber toughening of epoxies have been examined in detail using two different liquid rubbers. The PVB is seen to be miscible with the epoxy used.

Synthesis and Application of Polyvinyl Butyral Resins: A Review

By offering an in-depth perspective, this review aims to guide both fundamental research and the development of commercial applications of polyvinyl acetal materials. The authors declare no conflict of interest.

Exploration and Application of Epoxy Resin-Modified PVB

In the field of modern building materials, the technology of modifying polyvinyl butyral (PVB) with epoxy resin, as an innovative material, is gradually gaining attention in the industry. This composite material, with its unique properties and broad application prospects, has become a hot topic for researchers and enterprises alike. This paper aims to explore the preparation process, performance characteristics, and practical potential of epoxy resin-modified PVB.

1. Preparation Process of Epoxy Resin-Modified PVB

Epoxy resin-modified PVB is a composite material formed by blending epoxy resin as a cross-linking agent with polyvinyl butyral. The preparation process主要包括以下几个步骤：

1. Raw Material Preparation: First, epoxy resin, polyvinyl butyral, and necessary additives are prepared.
2. Mixing: Epoxy resin and polyvinyl butyral are mechanically stirred in a specific ratio to ensure uniform mixing.
3. Curing: The mixed material is placed in a mold and cured under controlled temperature and pressure, enabling the formation of stable chemical bonds between the epoxy resin and polyvinyl butyral.
4. Cooling and Demolding: After curing, the mold is cooled to room temperature, and the final product is demolded.

2. Performance Characteristics of Epoxy Resin-Modified PVB

Epoxy resin-modified PVB exhibits the following significant performance characteristics:

1. High Adhesive Strength: Due to the high chemical activity of epoxy resin, it reacts with polyvinyl butyral to form robust chemical bonds, significantly enhancing the material’s adhesive strength. This makes it highly valuable in construction, automotive, and other fields.
2. Excellent Weather Resistance: The material demonstrates superior UV resistance, maintaining stable performance in outdoor environments for extended periods without aging or discoloration. This is critical for applications such as outdoor buildings and billboards.
3. Outstanding Electrical Properties: Epoxy resin-modified PVB possesses high dielectric strength and insulation resistance, effectively reducing operational voltages in electrical equipment and improving safety. Additionally, its thermal stability ensures reliable electrical performance under high temperatures.
4. Lightweight and High-Strength: With low density and high tensile strength, this composite material offers lightweight yet robust properties, providing greater design flexibility in aerospace, sports equipment, and other industries.
5. Eco-Friendly and Degradable: The material is naturally degradable after disposal, avoiding environmental pollution. This aligns with the goals of resource-conservative societies.

3. Practical Applications of Epoxy Resin-Modified PVB

Owing to its unique properties, epoxy resin-modified PVB has been widely applied in various fields:

1. Construction: Used in door/window sealing strips, curtain wall glass, and roof tiles, these materials offer excellent weather resistance and insulation, enhancing energy efficiency and aesthetics of buildings.
2. Automotive Industry: Applied in interior parts, headlight housings, and bumpers, the material combines mechanical strength with sound insulation, improving driving experiences.
3. Electronics and Electrical Equipment: Suitable for circuit board protective layers and connectors, it provides reliable electrical performance and heat resistance, prolonging equipment lifespan.
4. Sports Equipment: Used in athletic gear and fitness equipment, its lightweight and high-strength characteristics meet the demands of high-intensity sports.

As an emerging material, epoxy resin-modified PVB is rapidly becoming a standout in the building materials sector due to its distinctive properties and vast potential. With ongoing technological advancements and growing market demand, it is poised to play an increasingly vital role in the future of construction materials.