Low VOC emission characteristics of reactive gel catalysts in environmentally friendly adhesives

Introduction

With the increase in environmental awareness, adhesives with low volatile organic compounds (VOC) emissions have become the mainstream demand in the market. As a new type of environmentally friendly material, reactive gel catalysts are increasingly widely used in adhesives. This article will introduce in detail the low VOC emission characteristics of reactive gel catalysts in environmentally friendly adhesives, including their working principle, product parameters, application cases and future development trends.

The working principle of reactive gel catalyst

1.1 Basic concepts of reactive gel catalysts

Reactive gel catalyst is a substance that can initiate or accelerate chemical reactions under certain conditions. It provides a large number of active sites by forming a gel-like structure, thus playing an important role in the curing process of the adhesive.

1.2 Working mechanism of reactive gel catalyst

Reactive gel catalysts achieve low VOC emissions through the following mechanisms:

1. High-efficiency Catalysis: The catalyst can significantly reduce the reaction activation energy, so that the adhesive can cure quickly at lower temperatures and reduce the formation of VOC.
2. Gel Structure: The gel-like structure can effectively capture and fix VOCs to prevent them from being released into the environment.
3. Selective Catalysis: Catalysts can selectively catalyze specific reaction paths, reducing the generation of side reactions and VOCs.

Product parameters of reactive gel catalyst

2.1 Physical parameters

parameter name	Value Range	Unit	Instructions
Particle Size	10-100	nm	Average diameter of catalyst particles
Specific surface area	100-500	m²/g	Surface area of ​​a unit mass catalyst
Porosity	50-80	%	The proportion of pores in the catalyst
Density	1.0-1.5	g/cm³	The density of the catalyst

2.2 Chemical Parameters

parameter name	Value Range	Unit	Instructions
Active ingredient content	10-30	%	Proportion of active ingredients in catalyst
pH value	6-8	–	Earth and alkalinity of catalyst
Thermal Stability	200-300	℃	Thermal decomposition temperature of the catalyst
Catalytic Efficiency	90-99	%	Reaction efficiency of catalyst

Application of reactive gel catalysts in environmentally friendly adhesives

3.1 Application Areas

Reactive gel catalysts are widely used in the following fields:

1. Construction Industry: Used for environmentally friendly construction adhesives, such as ceramic tile glue, floor glue, etc.
2. Auto Industry: Used for automotive interior adhesives to reduce VOC emissions in the car.
3. Furniture Industry: Used for environmentally friendly furniture adhesives to improve the environmentally friendly performance of furniture.
4. Packaging Industry: Used for environmentally friendly packaging adhesives to reduce VOC emissions from packaging materials.

3.2 Application Cases

3.2.1 Case in the Construction Industry

Environmental-friendly ceramic tile glue prepared by a construction company using reactive gel catalysts significantly reduces VOC emissions at the construction site. The specific effects are as follows:

parameter name	Traditional ceramic tile glue	Environmental-friendly tiles glue	Unit	Instructions
VOC emissions	500	50	mg/m³	VOC concentration at construction site
Currecting time	24	12	hours	The curing time of the adhesive
Bonding Strength	1.5	2.0	MPa	Adhesive strength of adhesive

3.2.2 Cases in the automotive industry

A car manufacturer used reactive gel catalyst to prepare an environmentally friendly interior adhesive that significantly reduced the VOC concentration in the car. The specific effects are as follows:

parameter name	Traditional interior adhesive	Environmental-friendly interior adhesive	Unit	Instructions
VOC emissions	300	30	mg/m³	VOC concentration in the car
Currecting time	48	24	hours	The curing time of the adhesive
Bonding Strength	1.8	2.2	MPa	Adhesive strength of adhesive

Advantages and challenges of reactive gel catalysts

4.1 Advantages

1. Low VOC emissions: significantly reduces VOC emissions of adhesives during use and meets environmental protection requirements.
2. High-efficiency Catalysis: Improve the curing efficiency of adhesives and shorten the construction time.
3. Wide Applicability: Suitable for a variety of adhesive systems and has a wide range of application prospects.

4.2 Challenge

1. High cost: The production cost of reactive gel catalysts is high, limiting their large-scale application.
2. Technical threshold: The preparation and application of catalysts require a high technical level, which increases the difficulty of R&D.
3. Low market awareness: Some users have low awareness of reactive gel catalysts, which has affected their marketing promotion.

Future development trends

5.1 Technological Innovation

In the future, technological innovation of reactive gel catalysts will mainly focus on the following aspects:

1. Low Cost Preparation Technology: Develop low-cost and high-efficiency catalyst preparation technology to reduce production costs.
2. Multifunctional Catalyst: Develop catalysts with multiple functions, such as having both catalytic and adsorption functions.
3. Intelligent Application: Combining intelligent material technology, develop intelligent catalysts and realize intelligent application of adhesives.

5.2 Market expansion

As the increasing strict environmental regulations, the market demand for reactive gel catalysts will continue to grow. In the future, market expansion will mainly focus on the following areas:

1. Emerging Markets: Explore emerging markets, such as developing countries and regions, and expand market share.
2. Cross-border application: Explore the application of catalysts in other fields, such as coatings, plastics, etc., and expand the scope of application.
3. Brand Construction: Strengthen brand building and improve market awareness and user trust.

Conclusion

The application of reactive gel catalysts in environmentally friendly adhesives has significant low VOC emission characteristics, which is in line with current environmental regulations and market demand trends. Although faced with challenges such as high costs and high technical thresholds, with the continuous advancement of technological innovation and the deepening of market expansion, the application prospects of reactive gel catalysts will be broader. In the future, reactive gel catalysts will play a more important role in the field of environmentally friendly adhesives and contribute to building a green and environmentally friendly society.

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The above content introduces the low VOC emission characteristics of reactive gel catalysts in environmentally friendly adhesives in detail, including their working principle, product parameters, application cases, advantages and challenges, and future development trends. Through tables and data, the performance and application effects of reactive gel catalysts are visually displayed, providing readers with a comprehensive understanding and reference.

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