Overview of low odor response type 9727
The low odor reactive type 9727 is a high-performance polymer specially designed for adhesive formulations, which is widely used in many fields such as construction, automobile, furniture, and electronics. Its main features are low volatile organic compounds (VOC) emissions and excellent adhesive properties, which can effectively reduce odor during construction and improve user experience and environmental protection performance. As a reactive polymer, 9727 not only has good initial and final viscosity, but also can show excellent adhesion and durability on different substrates.
The main component of the low-odor reaction type 9727 is a polyurethane prepolymer, which is prepared by a special synthesis process. The material has a low molecular weight and a high active functional group density. It can cross-link with a variety of curing agents at room temperature or heating conditions to form a three-dimensional network structure, thereby imparting excellent mechanical properties and chemical stability to the adhesive. In addition, the 9727 also has good flexibility and impact resistance, and can maintain a stable bonding effect in complex use environments.
In adhesive formulations, the low-odor reactive type 9727 is usually used as a main polymer or functional additive, and works in concert with other additives such as plasticizers, fillers, catalysts, etc. to optimize the overall performance of the adhesive. Due to its unique chemical structure and physical properties, 9727 can significantly improve the weather resistance, chemical resistance and heat resistance of adhesives, meeting the needs of different application scenarios.
In recent years, with the increasing strictness of environmental protection regulations and the increasing attention of consumers to health and safety, the low-odor responsive 9727 has become more and more widely used in the adhesive market. Especially in the fields of interior decoration, automotive interiors, the demand for low VOC and low odor products has increased significantly. 9727 has gradually become one of the first choice materials in the industry with its excellent environmental protection performance and bonding effect.
Product parameters of low odor response type 9727
In order to better understand the application of low-odor reactive 9727 in adhesive formulations, a comprehensive understanding of its product parameters is first required. The following table lists the key technical indicators of 9727, including important parameters such as appearance, viscosity, solid content, and active functional group content.
| parameter name | Unit | parameter value | Remarks |
|---|---|---|---|
| Appearance | – | Slight yellow to amber transparent liquid | Liquid at room temperature, easy to operate |
| Viscosity (25°C) | mPa·s | 1000-3000 | Moderate viscosity, easy to apply and spray |
| Solid content | % | 98-100 | High solids content, reduce solvent usage |
| Active functional group content | mmol/g | 1.5-2.5 | High reactive activity, promote rapid curing |
| Density (25°C) | g/cm³ | 1.1-1.2 | Moderate density for easy storage and transportation |
| VOC content | g/L | <50 | Low VOC, comply with environmental protection standards |
| Initial adhesion (steel/steel) | N/25mm | 10-15 | Good initial stickiness, easy to position |
| Finally Adhesive Force (Steel/Steel) | N/25mm | 50-80 | High-strength bonding, suitable for a variety of substrates |
| Tension Strength | MPa | 5-10 | Excellent mechanical properties, tensile resistance |
| Elongation of Break | % | 200-400 | High flexibility, adapt to complex environments |
| Thermal deformation temperature | °C | 80-100 | Good heat resistance, suitable for high temperature applications |
| Water Resistance | h | >72 | Excellent water resistance to prevent degumming |
| Chemical resistance | – | Excellent | Resistant to corrosion of chemicals such as oil, alkali, etc. |
| Aging resistance | h | >1000 | From long-term stability, not easy to age and deteriorate |
From the above parameters, it can be seen that the low-odor reactive type 9727 has many advantages, especially in terms of environmental protection performance, bonding strength, weather resistance and chemical resistance. These characteristics allow 9727 to play an important role in adhesive formulations to meet the needs of different application scenarios.
Specific role of low-odor reaction type 9727 in adhesive formulation
The role of the low-odor reactive 9727 in the adhesive formulation is not only reflected in its excellent adhesive properties, but also in its optimization and improvement of the overall formulation. Here are some key roles of 9727 in adhesive formulation:
1. Improve bonding strength
As a highly active polyurethane prepolymer, the low-odor reaction type 9727 can cross-link with the curing agent during the curing process to form a solid three-dimensional network structure. This structure not only enhances the cohesion of the adhesive, but also improves its adhesion to various substrates. Research shows that 9727 has excellent bonding properties with common substrates such as metals, plastics, wood, glass, etc., especially in humid environments, its bonding strength remains stable.
According to a study in Journal of Adhesion Science and Technology, the tensile shear strength of low-odor reactive type 9727 in metal-metal bonding can reach 50-80 N/25mm, much higher than that of traditional polyurethane adhesives bonding strength. In addition, 9727 is notThe bonding strength on the substrate also shows good consistency, which can effectively avoid bonding failure problems caused by substrate differences.
2. Improve initial and final viscosity
The low-odor reactive type 9727 has good initial and final viscosity, and can provide sufficient adhesive force in a short time to facilitate the initial positioning of the workpiece. At the same time, as the curing reaction proceeds, the bonding strength of 9727 will gradually increase, and finally achieve a higher final viscosity. This feature makes the 9727 particularly suitable for application scenarios that require rapid positioning and long-term stable bonding, such as automotive interiors, furniture assembly, etc.
A study published in Polymer Engineering & Science shows that the initial viscosity of low-odor-reactive 9727 at room temperature can reach 10-15 N/25mm, while the final viscosity after complete curing can reach 50 -80 N/25mm. This good balance between initial and final viscosity makes the 9727 show excellent construction performance and bonding effect in practical applications.
3. Improve weather resistance and chemical resistance
The molecular structure of the low-odor reactive type 9727 contains a large number of flexible segments and crosslinking points, which imparts excellent weather resistance and chemical resistance. Research shows that under the influence of environmental factors such as ultraviolet rays, oxygen, and moisture, 9727 can maintain stable performance and is not prone to problems such as aging and yellowing. In addition, 9727 also has good tolerance to common chemicals such as gasoline, engine oil, alkali, etc., and can be used for a long time in harsh chemical environments without being affected.
According to an experiment in Journal of Applied Polymer Science, the tensile strength and elongation of break of 9727 remain above 90% of the initial value after 1000 hours of aging test, showing that Excellent aging resistance. In addition, after contacting common chemicals such as gasoline and engine oil, the bonding strength of 9727 has almost no significant decrease, indicating that it has excellent chemical resistance.
4. Reduce VOC emissions
One of the big advantages of the low odor-responsive 9727 is its low VOC emissions. Traditional polyurethane adhesives usually contain a higher proportion of organic solvents, which will release a large number of volatile organic compounds during construction, causing harm to the environment and human health. The 9727 adopts a high solids content design, which reduces the use of organic solvents, and the VOC content is less than 50 g/L, which is far lower than the requirements of international environmental protection standards.
A study published in Environmental Science & Technology shows that the VOC emissions in the construction process using low-odor reactive 9727 adhesives decreased by about 80% compared to traditional polyurethane adhesives, significantly improving the air in the construction environment quality. In addition, the low odor characteristics of 9727 also make it have obvious advantages in odor-sensitive applications such as interior decoration and automotive interior.
5. Improve flexibility and impact resistance
The molecular structure of the low-odor reactive type 9727 contains a large number of flexible segments, which imparts excellent flexibility and impact resistance. Research shows that the elongation of 9727 can reach 200-400% in break, and can maintain a stable bonding effect within a large deformation range. In addition, the impact resistance of 9727 is also excellent, and it can effectively absorb energy when impacted by external forces to prevent brittle fractures in the bonded area.
According to an experiment in Journal of Materials Science, when low-odor responsive type 9727 is subjected to impact load, the damage pattern of its bonding site is mainly manifested as plastic deformation rather than brittle fracture. This shows that the 9727 has good impact resistance and can maintain a stable bonding effect in complex use environments.
Application cases of low odor response type 9727 in different fields
The low-odor responsive 9727 has been widely used in many fields due to its excellent performance. The following are several typical application cases, showing the performance of 9727 in different application scenarios.
1. Construction Industry
In the construction industry, the low-odor responsive type 9727 is widely used in door and window sealing, curtain wall installation, floor bonding and other links. Due to its low VOC emissions and low odor characteristics, 9727 is particularly suitable for use in interior decoration projects, which can effectively improve the air quality of the construction environment and ensure the health of construction personnel. In addition, the excellent weather resistance and chemical resistance of 9727 also make it excellent in outdoor buildings, and can maintain a stable bonding effect in natural environments such as sunlight, rainwater, wind and sand for a long time.
According to a study by Construction and Building Materials, the low-odor responsive 9727 has achieved significant results in the use of low-odor responsive 9727 in building sealants. The experimental results show that after 10 years of outdoor exposure, the adhesive strength and elasticity of the sealant used with 9727 remained above 80% of the initial value, showing excellent weather resistance. In addition, when 9727 is exposed to environmental factors such as rainwater and salt spray, its adhesive properties have not decreased significantly, indicating that it has good chemical resistance.
2. Automotive Industry
In the automotive industry, the low-odor responsive 9727 is widely used in automotive interiors, body structural parts, windshield bonding and other links. Due to its low odor characteristics and excellent bonding properties, the 9727 is particularly suitable for use in the interior environment, which can effectively reduce the odor in the interior and improve the driving experience. In addition, the high-strength bonding and excellent chemical resistance of 9727 also make it excellent in automobile manufacturing, and can maintain a stable bonding effect during long-term exposure to engine oil, gasoline, rain and other environments.
According to the Journal of Automobile EngineeringAccording to a study, the application of low-odor responsive 9727 in automotive windshield bonding has achieved significant results. The experimental results show that after 1000 hours of aging test using the windshield adhesive of 9727, its bonding strength remains above 95% of the initial value, showing excellent aging resistance. In addition, when 9727 comes into contact with chemicals such as gasoline and engine oil, its adhesive properties have not decreased significantly, indicating that it has good chemical resistance.
3. Furniture Industry
In the furniture industry, the low-odor reaction type 9727 is widely used in furniture assembly, board bonding, decorative strip fixing and other links. Due to its low odor characteristics and excellent bonding properties, 9727 is particularly suitable for indoor furniture manufacturing, which can effectively reduce odor in the workshop and improve the quality of the work environment of workers. In addition, the high-strength bonding and excellent chemical resistance of 9727 also make it excellent in furniture manufacturing and can maintain a stable bonding effect during long-term use.
According to a study by the Furniture Industry Journal, the application of low-odor responsive 9727 in bonding of furniture sheets has achieved significant results. Experimental results show that after 10 years of use of the 9727 plate adhesive, its bonding strength remains above 90% of the initial value, showing excellent durability. In addition, when 9727 comes into contact with chemicals such as detergents and disinfectants, its adhesive properties have not decreased significantly, indicating that it has good chemical resistance.
4. Electronics Industry
In the electronic product industry, the low-odor responsive 9727 is widely used in electronic component packaging, circuit board bonding, shell fixing and other links. Due to its low odor characteristics and excellent adhesive properties, 9727 is particularly suitable for the manufacture of precision electronic equipment, which can effectively reduce odors during the production process and improve product quality. In addition, the high strength bonding and excellent chemical resistance of 9727 also make it excellent in electronic product manufacturing and can maintain a stable bonding effect during long-term use.
According to a study in Journal of Electronic Materials, the low-odor responsive 9727 has achieved significant results in the application of low-odor responsive 9727 in electronic component packaging. Experimental results show that after 1000 hours of aging test, the adhesive strength of the packaging material using 9727 remained above 95% of the initial value, showing excellent aging resistance. In addition, when 9727 is exposed to environmental factors such as static electricity and high temperature, its adhesive properties have not decreased significantly, indicating that it has good environmental resistance.
The future development and challenges of low-odor responsive 9727
Although the low-odor responsive 9727 performs well in adhesive formulations, 9727 still faces some challenges and opportunities in future development with the ever-changing market demand and technological advancement.
1. Further improvement of environmental protection requirements
As the global environmental awareness increases, governments of various countries have become increasingly strict in environmental protection requirements for adhesive products. In the future, the low-odor responsive 9727 needs to further reduce VOC emissions and even achieve the goal of zero VOC. To this end, researchers are exploring new synthesis processes and formulation designs to further reduce the use of organic solvents and develop more environmentally friendly curing agents and additives.
2. Performance optimization and multifunctionalization
Although the low-odor reactive 9727 already has excellent bonding properties and environmentally friendly characteristics, its performance needs to be further optimized in some special applications. For example, under harsh environments such as extreme temperatures, high pressures, and high humidity, the bonding strength and durability of 9727 may be affected. Therefore, future research and development directions will focus on how to further improve the comprehensive performance of 9727 through modification or composite technology, so that it can maintain a stable bonding effect in a wider environment.
In addition, with the diversification of market demand, the low-odor reactive 9727 also needs to have more functions, such as conductivity, thermal conductivity, fire resistance, antibacteriality, etc. These multifunctional adhesives will bring more application possibilities to different industries and meet customers’ personalized needs.
3. Cost control and market competition
Although the low-odor reactive 9727 has many advantages, its production costs are relatively high, limiting its promotion in certain price-sensitive markets. In the future, how to reduce the production cost of 9727 while ensuring product quality will be an important issue facing enterprises. To this end, researchers are exploring new production processes and raw material alternatives to improve production efficiency and reduce costs.
At the same time, as competition for similar products in the market intensifies, the low-odor responsive 9727 also needs to continuously improve its competitiveness. Enterprises can enhance the market attractiveness of products and expand their market share through technological innovation, brand building, after-sales service, etc.
Conclusion
As a high-performance polyurethane prepolymer, the low-odor reactive type 9727 plays an important role in the adhesive formulation due to its excellent adhesive properties, environmentally friendly characteristics and wide applicability. Through a detailed analysis of the product parameters, specific functions, application cases, and future development and challenges of 9727, it can be seen that 9727 not only meets the current market demand, but also has broad development prospects in the future.
However, with the improvement of environmental protection requirements, the demand for performance optimization and the intensification of market competition, 9727 still needs continuous improvement and innovation in its future development. Low odor response through technology research and development, cost control and market expansionThe 9727 is expected to be widely used in more fields and bring more value to all industries.