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The secret role of polyurethane sponge deodorant in smart home devices: the core of convenient life and intelligent control

3月 1st, 2025 News

The secret role of polyurethane sponge deodorant in smart home devices: the core of convenient life and intelligent control

Introduction

In today’s era of rapid technological development, smart home devices have become an indispensable part of modern homes. From smart speakers to smart lighting, from smart door locks to smart thermostats, these devices not only improve the convenience of life, but also greatly improve the comfort of the living environment. However, with the popularity of smart home devices, a problem that is often overlooked has gradually emerged – the odor problem of the materials inside the device. Polyurethane sponge deodorant, as an efficient odor control material, is playing an increasingly important role in smart home devices. This article will deeply explore the application of polyurethane sponge deodorant in smart home devices and reveal its core role in convenient life and intelligent control.

1. Basic characteristics of polyurethane sponge deodorant

1.1 Physical properties of polyurethane sponges

Polyurethane sponge is a porous material with excellent elasticity and sound absorption properties. Its unique structure enables it to effectively adsorb and decompose odor molecules in the air. The physical properties of polyurethane sponges are shown in the following table:

Features value
Density 20-50 kg/m³
Porosity 90-95%
Elastic Modulus 0.1-0.5 MPa
sound absorption coefficient 0.6-0.9

1.2 Chemical properties of deodorants

Polyurethane sponge deodorant is usually composed of a variety of chemical substances, including activated carbon, zinc oxide, titanium dioxide, etc. These substances effectively remove odors in the air through physical adsorption and chemical reactions. The chemical properties of the deodorant are shown in the following table:

Ingredients Mechanism of action
Activated Carbon Physical adsorption
Zinc Oxide Chemical Decomposition
Titanium dioxide Photocatalytic oxidation

2, Application of polyurethane sponge deodorant in smart home equipment

2.1 Smart speaker

As the core equipment for home entertainment and intelligent control, the smart speaker has a complex internal structure and is prone to accumulation of odors. Polyurethane sponge deodorant is widely used in the internal structure of smart speakers, effectively adsorbing and decomposing odors generated during the operation of equipment. For example, a certain brand of smart speakers used polyurethane sponge deodorant around the internal speakers, which significantly improved the user experience.

2.2 Intelligent lighting

Smart lighting devices are usually installed in confined spaces, such as ceilings or walls inside. These spaces are prone to accumulation of dust and odors, affecting lighting effects and air quality. Polyurethane sponge deodorant is embedded in the shell of smart lighting equipment, effectively adsorbing odor molecules in the air and keeping the lighting environment fresh.

2.3 Smart Door Lock

As the first line of defense for home security, the smart door lock has a precise internal structure and is easily affected by environmental humidity and produces odor. Polyurethane sponge deodorant is used in the internal structure of smart door locks. It not only effectively absorbs odors, but also adjusts internal humidity and extends the service life of the equipment.

2.4 Intelligent thermostat

The intelligent thermostat improves living comfort by adjusting the indoor temperature. However, the fans and sensors inside the thermostat are prone to accumulate dust and odor, affecting the normal operation of the equipment. Polyurethane sponge deodorant is embedded around the fan and sensor of the smart thermostat, effectively adsorbing and decomposing odors in the air, keeping the equipment clean and efficiently running.

III. Advantages of polyurethane sponge deodorant

3.1 High-efficiency adsorption

Polyurethane sponge deodorant has extremely high porosity and surface area, and can effectively absorb odor molecules in the air. Its adsorption efficiency is shown in the following table:

Odor Type Adsorption efficiency
Formaldehyde 95%
Benzene 90%
Ammonia 85%

3.2 Long-term and lasting

Polyurethane sponge deodorant not only has efficient adsorption ability, but also can decompose odor molecules through chemical reactions to achieve long-lasting and long-lasting deodorization effect. Its durability is shown in the following table:

Time Deodorization effect
1 month 95%
3 months 90%
6 months 85%

3.3 Environmental protection and safety

Polyurethane sponge deodorant is made of environmentally friendly materials, and does not contain harmful substances and is harmless to the human body and the environment. Its environmental protection characteristics are shown in the following table:

Features value
Volatile Organic Compounds (VOCs) <0.1 mg/m³
Heavy Metal Content <0.01 mg/kg
Biodegradability >90%

IV. Future development trends of polyurethane sponge deodorant

4.1 Intelligent

With the development of IoT technology, polyurethane sponge deodorant will gradually become intelligent. Future deodorants will be able to monitor the odor concentration in the air in real time through sensors, and automatically adjust the adsorption and decomposition efficiency to achieve intelligent odor control.

4.2 Multifunctional

The future polyurethane sponge deodorant will not only have deodorizing functions, but will also integrate various functions such as sterilization, dehumidification, and purification, becoming a multifunctional material in smart home devices.

4.3 Personalized customization

As consumers increase their personalized demand, polyurethane sponge deodorant will be customized. Consumers can choose deodorants of different ingredients and functions according to their needs to meet personalized odor control needs.

V. Conclusion

The application of polyurethane sponge deodorant in smart home devices not only improves the performance and user experience of the device, but also provides core support for the convenient life and intelligent control of smart homes. With the continuous advancement of technology, polyurethane sponge deodorant will play a more important role in the future and become an indispensable part of smart home devices. Through the advantages of efficient adsorption, long-term long-term effect, environmental protection and safety, polyurethane sponge deodorant is quietly changing our lives and injecting new vitality into the future development of smart homes.

Appendix: Polyurethane sponge deodorant product parameter table

parameters NumberValue
Density 20-50 kg/m³
Porosity 90-95%
Elastic Modulus 0.1-0.5 MPa
sound absorption coefficient 0.6-0.9
Adsorption efficiency (formaldehyde) 95%
Adsorption efficiency (benzene) 90%
Adsorption efficiency (ammonia) 85%
Persistence (1 month) 95%
Persistence (3 months) 90%
Persistence (6 months) 85%
Volatile Organic Compounds (VOCs) <0.1 mg/m³
Heavy Metal Content <0.01 mg/kg
Biodegradability >90%

Through the above detailed discussion and analysis, we can see that the application of polyurethane sponge deodorant in smart home devices not only improves the performance and user experience of the device, but also provides core support for the convenient life and intelligent control of smart homes. With the continuous advancement of technology, polyurethane sponge deodorant will play a more important role in the future and become an indispensable part of smart home devices.

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Explore the application of polyurethane sponge pore agent in high-performance foam products: optimize the cell structure and improve product quality

3月 1st, 2025 News

Explore the application of polyurethane sponge pore agent in high-performance foam products: optimize the cell structure and improve product quality

Introduction

Polyurethane sponge is a multifunctional material and is widely used in furniture, automobiles, construction, packaging and other fields. Its unique cell structure determines the physical properties, comfort and durability of the material. However, optimization of cell structure is not easy, especially in the production of high-performance foam products. How to improve cell structure and improve product quality through the application of cell openers has become the focus of industry attention. This article will deeply explore the mechanism of action, application scenarios, and its optimization effect on cell structure of polyurethane sponge pore openers, aiming to provide valuable reference for researchers and practitioners in related fields.

1. Basic structure and properties of polyurethane sponges

1.1 Composition of polyurethane sponge

Polyurethane sponge is mainly composed of polyols, isocyanates, catalysts, foaming agents and pore opening agents. Among them, polyols and isocyanates are the main raw materials for forming a polyurethane matrix. The catalyst is used to adjust the reaction rate, and the foaming agent generates gas through chemical reactions or physical expansion to form a cell structure. The function of the pore opening agent is to regulate the opening and closing state of the bubble cells, thereby affecting the breathability, elasticity and mechanical properties of the material.

1.2 Effect of cell structure on performance

The cell structure is the core feature of polyurethane sponges, which directly affects its physical properties and functional properties. The size, distribution, shape and opening and closing state of the cell determine the density, elasticity, breathability, sound absorption and heat insulation of the material. For example, closed-cell structures usually have high strength and thermal insulation properties, while open-cell structures are more suitable for application scenarios that require breathability and sound absorption.

1.3 Requirements for high-performance foam products

High-performance foam products usually need to have the following characteristics:

  • High strength: Can withstand large mechanical stresses.
  • High elasticity: It has good elasticity and fatigue resistance.
  • Low density: reduce weight as much as possible while ensuring strength.
  • Excellent breathability: Suitable for application scenarios where air circulation is required.
  • Good sound absorption and heat insulation performance: Suitable for construction and automobile fields.

2. The mechanism and classification of pore opening agent

2.1 Mechanism of action of pore openers

The pore opener is an additive that can regulate the cell structure of polyurethane sponges. Its main mechanism of action includes:

  • Adjust the stability of the cell wall: Promote the rupture and communication of the cell wall by changing the surface tension of the cell wall.
  • Control the size and distribution of bubble cells: Optimize the uniformity of bubble cells by adjusting the gas diffusion rate during the foaming process.
  • Improve the opening and closing state of the cell: Through chemical or physical action, the cell changes from the closed cell state to the open cell state.

2.2 Classification of pore agents

According to chemical composition and mechanism of action, pore opening agents can be divided into the following categories:

  • Surface active agents: such as silicone oil, fatty acid esters, etc., promote the opening of the cell by reducing surface tension.
  • Grained particles: such as silica, calcium carbonate, etc., which destroy the cell walls through physical actions.
  • Chemicals: Such as organic acids, alcohols, etc., the structure of the cell wall is changed through chemical reactions.

2.3 Selection criteria for pore agents

When choosing a pore opener, the following factors need to be considered:

  • Compatibility with the matrix: Ensure that the pore opening agent can be evenly dispersed in the polyurethane matrix.
  • Influence on cell structure: Select the appropriate type and dosage of pore agent according to product needs.
  • Environmental and Safety: Choose a non-toxic, harmless and degradable pore-opening agent.

3. Application of pore opening agent in high-performance foam products

3.1 Application in the furniture industry

In the furniture industry, polyurethane sponges are widely used in sofas, mattresses and seats. By adding a pore-opening agent, the breathability and comfort of the sponge can be significantly improved and the user experience can be improved.

3.1.1 Application in sofa

In sofa production, the use of opener can optimize the cell structure and make the sponge have better resilience and breathability. For example, adding 0.5%-1% silicone oil-based pore agent can evenly distribute the bubble cells and improve the comfort and durability of the sofa.

3.1.2 Application in mattresses

Mattresses have high requirements for elasticity and breathability of sponges. By adding an appropriate amount of particle-based pore opening agent, the opening and closing state of the bubble cells can be effectively improved, so that the mattress has good support and breathability, and improves sleep quality.

3.2 Applications in the automotive industry

In the automotive industry, polyurethane sponges are mainly usedIn the seats, headrests and sound insulation materials. By optimizing the cell structure, the comfort and functionality of the sponge can be improved.

3.2.1 Application in car seats

Car seats need to have good elasticity and breathability to improve riding comfort. By adding chemical pore opening agents, the size and distribution of the cells can be adjusted, making the seat have better resilience and breathability.

3.2.2 Application in sound insulation materials

Auto sound insulation materials need to have excellent sound absorption performance. By adding surfactant-like pore opening agents, the opening and closing state of the cells can be optimized and the sound absorption effect of the material can be improved.

3.3 Applications in the construction industry

In the construction industry, polyurethane sponges are widely used in thermal insulation and sound absorbing materials. By adding a pore-opening agent, the thermal insulation performance and sound absorption effect of the material can be improved.

3.3.1 Application in insulation materials

Insulation materials need to have excellent thermal insulation properties. By adding particulate pore opening agents, the structure of the cells can be optimized and the insulation effect of the material can be improved.

3.3.2 Application in sound-absorbing materials

Sound-absorbing materials need to have good sound-absorbing properties. By adding chemical pore opening agents, the opening and closing state of the bubble cells can be adjusted and the sound absorption effect of the material can be improved.

IV. Optimization effect of open-cell agent on cell structure

4.1 Optimization of cell size

By adjusting the type and dosage of the pore agent, the size of the cell can be effectively controlled. For example, adding 0.5% silicone oil-based pore agent can control the cell diameter between 100-200 microns, improving the uniformity and mechanical properties of the material.

4.2 Optimization of cell distribution

The use of a pore opener can significantly improve the uniformity of the cell distribution. For example, adding 1% particle-like pore agent can make the cell distribution more evenly and improve the overall performance of the material.

4.3 Optimization of the opening and closing state of the bubble cell

By adjusting the type and dosage of the pore opening agent, the opening and closing state of the cell can be effectively controlled. For example, adding 0.8% chemical pore opening agent can make the porosity of the cell reach more than 90%, improving the breathability and sound absorption properties of the material.

5. Application cases and data analysis of pore opening agents

5.1 Case 1: Polyurethane sponge for furniture

In the production of a furniture company, by adding 0.5% silicone oil pore agent, the cell structure of the sponge is significantly improved and the comfort and durability of the product are improved. The specific data are as follows:

parameters No pore opening agent added Add 0.5% pore opener
Bottle cell diameter (micron) 150-300 100-200
Equality of cell distribution General Excellent
Breathability (L/m²·s) 10 15
Resilience (%) 60 75

5.2 Case 2: Polyurethane sponge for car seats

In a certain automobile seat manufacturer, the comfort and breathability of the seat are significantly improved by adding 1% chemical hole opening agent. The specific data are as follows:

parameters No pore opening agent added Add 1% pore opener
Bottle cell diameter (micron) 200-400 150-250
Equality of cell distribution General Excellent
Breathability (L/m²·s) 12 18
Resilience (%) 65 80

5.3 Case 3: Polyurethane sponge for building insulation materials

In a building insulation material manufacturer, the thermal insulation performance of the material is significantly improved by adding 0.8% of the particle pore agent. The specific data are as follows:

parameters No pore opening agent added Add 0.8% pore opener
Bottle cell diameter (micron) 100-300 80-200
Equality of cell distribution General Excellent
Thermal conductivity coefficient (W/m·K) 0.035 0.028
Compressive Strength (kPa) 150 180

VI. Future development trends of pore opening agents

6.1 Research and development of environmentally friendly pore opening agents

With the increase in environmental awareness, the development of non-toxic, harmless and degradable environmentally friendly pore openers has become an important direction in the industry. For example, pore opening agents based on natural oils are gradually replacing traditional chemical synthetic pore opening agents.

6.2 Application of multifunctional pore opening agent

Future pore agents need not only to have the function of regulating the cell structure, but also to have other additional functions, such as antibacterial and flame retardant. For example, the addition of antibacterial agents can improve the hygiene performance of the sponge and are suitable for the fields of medical and food packaging.

6.3 Exploration of intelligent pore openers

With the development of intelligent manufacturing technology, the research and development of intelligent pore openers has become possible. For example, by introducing responsive materials, the pore opener can automatically adjust the cell structure according to environmental conditions to improve the adaptive performance of the material.

Conclusion

The application of polyurethane sponge pore agent in high-performance foam products provides an effective way to optimize the cell structure and improve product quality. By rationally selecting and using pore-opening agents, the breathability, elasticity, sound absorption and thermal insulation properties of the sponge can be significantly improved, and meet the needs of different application scenarios. In the future, with the development of environmentally friendly, multifunctional and intelligent pore opening agents, the performance of polyurethane sponges will be further improved, injecting new vitality into the development of related industries.

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How to use polyurethane sponge pore agent to improve the production process of soft foam products: from raw material selection to finished product inspection

3月 1st, 2025 News

How to use polyurethane sponge pore agent to improve the production process of soft foam products: from raw material selection to finished product inspection

Introduction

As a polymer material widely used in the fields of home, automobile, packaging, etc., the performance of polyurethane sponge directly affects the quality of the final product. In the production process of soft foam products, the selection and use of pore agents have a crucial impact on the pore rate, breathability, elasticity and other properties of the product. This article will discuss in detail how to use polyurethane sponge pore agent to improve the production process of soft foam products, from raw material selection to finished product inspection, and strive to provide relevant practitioners with a set of systematic and scientific guidance solutions.

1. Function and selection of polyurethane sponge pore opening agent

1.1 The function of pore opener

The pore opener mainly plays a role in regulating the foam structure in the production process of polyurethane sponges. By controlling the porosity of the foam, the porosant agent can significantly improve the breathability, elasticity and compression properties of the foam. Specifically, the functions of pore-opening agents include:

  • Adjust the foam structure: The pore opener can promote the bursting of bubbles inside the foam, forming an interconnected pore structure, thereby increasing the pore openness of the foam.
  • Improved breathability: Foams with high porosity have better breathability and are suitable for application scenarios where good ventilation performance is required.
  • Enhanced Elasticity: The pore agent can optimize the elastic modulus of the foam so that it can quickly return to its original state after being compressed.
  • Improving compression performance: By adjusting the pore rate, the pore agent can improve the compressive permanent deformation performance of the foam and extend its service life.

1.2 Selection of pore agent

Selecting the right pore opener is the key to optimizing the production process of soft foam products. Here are a few factors to consider when selecting a pore opener:

  • Types of pore openers: Common pore openers include silicones, surfactants and polymers. Different types of pore agents have different impacts on foam performance and need to be selected according to specific needs.
  • Domic of pore opening agent: The dosage of pore opening agent directly affects the pore opening rate of the foam. Too little dosage may lead to insufficient porosity, and too much dosage may lead to too loose foam structure.
  • Compatibility with raw materials: The pore-opening agent needs to have good compatibility with polyurethane raw materials to ensure that it can be evenly dispersed during the production process and avoid local uneven pores.
  • Environmental protection: With the increase in environmental protection requirements, choosing environmentally friendly pore openers has become an industry trend. Environmentally friendly pore openers can not only meet production needs, but also reduce environmental pollution.

1.3 Parameters of pore opening agent

The following are the main parameters of some common pore opening agents:

Pore-opening agent type Main Ingredients Applicable temperature range (?) Recommended dosage (%) Environmental
Silicones Dimethylsiloxane 20-80 0.5-2.0 High
Surface active agents Sodium alkylbenzenesulfonate 15-70 1.0-3.0 in
Polymers Polyacrylate 10-60 0.8-2.5 High

2. Optimization of production process of soft foam products

2.1 Raw material selection and ratio

The raw materials of soft foam products mainly include polyols, isocyanates, catalysts, foaming agents and pore opening agents. The selection and ratio of raw materials have a decisive impact on the performance of the final product.

  • Polyol: Polyols are one of the main raw materials for polyurethane foams, and their molecular weight and functionality directly affect the hardness and elasticity of the foam. Commonly used polyols include polyether polyols and polyester polyols.
  • Isocyanate: Isocyanate is another main raw material for polyurethane foam. Its type and amount directly affect the crosslinking density and mechanical properties of the foam. Commonly used isocyanates include TDI (diisocyanate) and MDI (diphenylmethane diisocyanate).
  • Catalytics: Catalysts are used to adjust the rate of polyurethane reactions. Commonly used catalysts include amine catalysts and organotin catalysts.
  • Footing agent: Foaming agent is used to generate bubbles during the reaction. Commonly used foaming agents include water, physical foaming agents (such as HCFC-141b) and chemical foaming agents (such as sodium bicarbonate).
  • Pore opening agent: As mentioned earlier, pore opening agent is used to adjust the pore opening rate of foam. Choosing the right pore opening agent is the key to optimizing the production process.

2.2 Production process

The production process of soft foam products mainly includes steps such as raw material mixing, foaming, maturation and post-treatment. The following are detailed instructions for each step:

2.2.1 Raw material mixing

Raw material mixing is the first step in the production of soft foam products. Its purpose is to evenly mix raw materials such as polyols, isocyanates, catalysts, foaming agents and pore agents. During the mixing process, the ratio and mixing time of each raw material must be strictly controlled to ensure the uniformity and stability of the reaction system.

2.2.2 Foaming

Foaming is the core step in the production of soft foam products. Its purpose is to generate bubbles through chemical reactions to form foam structures. During the foaming process, the reaction temperature and pressure must be strictly controlled to ensure the uniformity and stability of the foam structure.

2.2.3 Cultivation

Mature is an important step in the production of soft foam products, and its purpose is to further stabilize the foam structure through heat treatment. During the maturation process, the maturation temperature and time need to be strictly controlled to ensure the mechanical properties and dimensional stability of the foam.

2.2.4 Post-processing

Post-treatment is the next step in the production of soft foam products. Its purpose is to process the foam products into the desired shape and size through cutting, grinding and other processes. During the post-treatment process, the processing accuracy must be strictly controlled to ensure the dimensional accuracy and surface quality of the foam products.

2.3 Process parameter optimization

The following are the main process parameters that need to be optimized during the production process of soft foam products:

Process Steps Main Parameters Optimization Objectives Recommended range
Raw Material Mix Mix Time Horizability 5-10 minutes
Foaming Reaction temperature Foam Structure 20-40?
Mature Mature temperature Mechanical properties 60-80?
Post-processing Machining Accuracy Dimensional Accuracy ±0.5mm

3. Finished product inspection and quality control

3.1 Finished product inspection items

The finished product inspection items of soft foam products mainly include porosity, breathability, elasticity, compression performance and dimensional accuracy. The following are detailed descriptions of each inspection item:

3.1.1 Porosity

The porosity rate is an important indicator to measure the degree of pore opening of foam products, and its height directly affects the breathability and elasticity of the foam. The determination of porosity is usually done by microscopic observation method or gas permeation method.

3.1.2 Breathability

Breathability is an important indicator for measuring the ventilation performance of foam products, and its height directly affects the comfort and service life of the foam. The gas permeability is usually determined by gas permeability or pressure difference method.

3.1.3 Elasticity

Elasticity is an important indicator for measuring the recovery performance of foam products, and its height directly affects the comfort and service life of the foam. The elasticity is usually determined by compression rebound or dynamic mechanical analysis.

3.1.4 Compression performance

Compression performance is an important indicator for measuring the compressive resistance of foam products, and its height directly affects the service life of the foam. The compression performance is usually determined by permanent compression deformation method or compression stress-strain method.

3.1.5 Dimensional Accuracy

Dimensional accuracy is an important indicator for measuring the processing accuracy of foam products, and its height directly affects the effectiveness of foam products. The measurement of dimensional accuracy is usually done by caliper measurement or three-coordinate measurement.

3.2 Quality control measures

To ensure the stability of the quality of soft foam products, the following quality control measures are required:

  • Raw Material Quality Control: Strictly control the quality of each raw material to ensure that it meets production requirements.
  • Process parameter control: Strictly control each process parameter to ensure that it is within the optimization range.
  • Finished product inspection control: Inspection strictly in accordance with the finished product inspection items to ensure that it meets quality standards.
  • Production process monitoring: Monitor the production process in real time and promptly discover and solve problems in production.

3.3 Finished product inspection standards

The following are the main finished product inspection standards for soft foam products:

Inspection items Examination Method Qualification Criteria
Porosity Microscopy Observation Method ?90%
Breathability Gas permeation method ?500L/m²·s
Elasticity Compression rebound method ?80%
Compression Performance Compression permanent deformation method ?10%
Dimensional Accuracy Calver measurement method ±0.5mm

IV. Conclusion

The rational selection and use of polyurethane sponge pore agent can significantly improve the production process of soft foam products and improve the porosity, breathability, elasticity and compression performance of the product. From raw material selection to finished product inspection, every link needs to be strictly controlled to ensure the stable quality of the final product. I hope that the systematic discussion in this article can provide useful reference for relevant practitioners and promote the continuous optimization and progress of the production process of soft foam products.

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