The application of polyurethane surfactants in logistics packaging: cost savings and efficiency improvement
Introduction
With the rapid development of the global logistics industry, the demand for logistics packaging is also increasing. Logistics packaging not only needs to protect the goods from damage during transportation, but also needs to find a balance between cost and efficiency. As a high-performance chemical material, polyurethane surfactants have shown great potential in the field of logistics packaging in recent years. This article will discuss in detail the characteristics, application scenarios, cost savings and efficiency improvement of polyurethane surfactants, aiming to provide more efficient solutions for the logistics and packaging industry.
Properties of polyurethane surfactants
1. Chemical structure
Polyurethane surfactants are polymer compounds prepared by chemical reactions such as polyols, isocyanates and chain extenders. Its molecular structure contains a large number of urethane groups (-NHCOO-), which impart excellent mechanical properties and chemical stability to polyurethane surfactants.
2. Physical properties
- High elasticity: Polyurethane surfactants have excellent elasticity and can quickly return to their original state when subjected to external forces. They are suitable for logistics packaging materials that require repeated use.
- Abrasion Resistance: Polyurethane surfactants have excellent wear resistance and can effectively extend the service life of packaging materials.
- Chemical resistance: Polyurethane surfactants have good tolerance to acids, alkalis, oils and other chemical substances, and are suitable for logistics packaging in various complex environments.
3. Environmental Friendliness
Polyurethane surfactants have little impact on the environment during production and use, and some products are biodegradable, meeting the environmental protection requirements of modern logistics packaging.
Application of polyurethane surfactants in logistics packaging
1. Buffer packaging material
The role of buffering materials is crucial in logistics packaging. Polyurethane surfactants are widely used in buffer packaging materials due to their high elasticity and wear resistance.
1.1 Foam plastic
Polyurethane foam is a common cushioning material, with the characteristics of lightweight, high elasticity, and good shock absorption. By adjusting the formulation of polyurethane surfactants, foam plastics of different densities and hardness can be prepared to meet the packaging needs of different goods.
| Foam type | Density (kg/m³) | Hardness (N) | Application Scenario |
|---|---|---|---|
| Low-density foam | 20-30 | 50-100 | Electronic Product Packaging |
| Medium density foam | 30-50 | 100-200 | Home appliance packaging |
| High-density foam | 50-80 | 200-400 | Heavy Duty Machinery Packaging |
1.2 Elastomer
Polyurethane elastomers have excellent elasticity and wear resistance, and are suitable for logistics packaging materials that require repeated use. For example, polyurethane elastomers can be used to make pallets, gaskets, etc., effectively protecting goods from impact during transportation.
2. Waterproof packaging materials
In logistics packaging, waterproof performance is another important indicator. Polyurethane surfactants are widely used in waterproof packaging materials due to their excellent water resistance and chemical stability.
2.1 Waterproof coating
By applying a polyurethane coating on the surface of the packaging material, the waterproof performance of the packaging material can be effectively improved. Polyurethane coating not only has good waterproofing effect, but also enhances the wear and chemical resistance of packaging materials.
| Coating Type | Thickness (μm) | Waterproofing (mmH₂O) | Abrasion resistance (times) |
|---|---|---|---|
| Single Coating | 50-100 | 500-1000 | 1000-2000 |
| Multi-layer coating | 100-200 | 1000-2000 | 2000-5000 |
2.2 Waterproof film
Polyurethane film is a common waterproof material with light weight, flexibility, and good waterproof performance. By adjusting the formulation of polyurethane surfactant, waterproof films of different thicknesses and properties can be prepared to meet the packaging needs of different goods.
| Film Type | Thickness (μm) | Waterproofing performance (mmH₂O) | Flexibility (%) |
|---|---|---|---|
| Thin film | 10-20 | 200-500 | 80-90 |
| Medium-sized film | 20-50 | 500-1000 | 70-80 |
| Thick film | 50-100 | 1000-2000 | 60-70 |
3. Environmentally friendly packaging materials
With the increase in environmental awareness, the demand for environmentally friendly materials in the logistics packaging industry continues to increase. Polyurethane surfactants are widely used in environmentally friendly packaging materials due to their environmentally friendly nature.
3.1 Biodegradable Materials
By adjusting the formulation of polyurethane surfactants, biodegradable packaging materials can be prepared. These materials can naturally degrade after use, reducing environmental pollution.
| Degradation Type | Degradation time (days) | Degradation rate (%) | Application Scenario |
|---|---|---|---|
| Fast degradation | 30-60 | 80-90 | Food Packaging |
| Medium-speed degradation | 60-120 | 70-80 | Daily Goods Packaging |
| Slow degradation | 120-180 | 60-70 | Industrial Packaging |
3.2 Recycled Materials
Polyurethane surfactants can also be used to prepare recycled packaging materials. By recycling discarded polyurethane materials, waste of resources can be reduced and production costs can be reduced.
| Regeneration Type | Regeneration rate (%) | Performance retention rate (%) | Application Scenario |
|---|---|---|---|
| High regeneration rate | 80-90 | 90-95 | Electronic Product Packaging |
| Regeneration rate | 70-80 | 85-90 | Home appliance packaging |
| Low regeneration rate | 60-70 | 80-85 | Heavy Duty Machinery Packaging |
Cost savings of polyurethane surfactants in logistics packaging
1. Material Cost Savings
Polyurethane surfactants can replace some traditional materials in logistics packaging due to their excellent properties, thereby reducing material costs.
1.1 Replace traditional buffering materials
Traditional buffer materials such as foam plastics, cardboard, etc. have high costs and limited performance. The buffer materials prepared by polyurethane surfactants are not only excellent in performance, but also have low cost.
| Material Type | Cost (yuan/kg) | Performance comparison |
|---|---|---|
| Traditional foam plastic | 10-15 | Low elasticity, low wear resistance |
| Polyurethane foam | 8-12 | High elasticity, high wear resistance |
| Traditional cardboard | 5-8 | Low elasticity, low wear resistance |
| Polyurethane elastomer | 10-14 | High elasticity, high wear resistance |
1.2 Replace traditional waterproofing materials
Traditional waterproof materials such as polyethylene films, rubber, etc. have high costs and limited performance. Waterproof materials prepared by polyurethane surfactants are not only excellent in performance, but also have low cost.
| Material Type | Cost (yuan/kg) | Performance comparison |
|---|---|---|
| Traditional polyethylene film | 12-18 | Low waterproofness, low wear resistance |
| Polyurethane film | 10-15 | High waterproofness, high wear resistance |
| Traditional rubber | 15-20 | Low waterproofness, low wear resistance |
| Polyurethane coating | 12-16 | High waterproofness, high wear resistance |
2. Production cost savings
Polyurethane surfactants can reduce production costs in logistics packaging production due to their ease of processing and forming.
2.1 Processing cost savings
Polyurethane surfactants can be processed through various processes such as injection molding, extrusion, and coating. The process is simple and efficient, and can effectively reduce processing costs.
| Processing Technology | Cost (yuan/kg) | Efficiency (kg/h) |
|---|---|---|
| Injection Molding | 5-8 | 100-200 |
| Extrusion | 4-7 | 150-250 |
| Coating | 3-6 | 200-300 |
2.2 Constructing cost savings
Polyurethane surfactants can be molded through molds, with fast forming speed and high precision, and can effectively reduce molding costs.
| Forming method | Cost (yuan/kg) | Accuracy (mm) |
|---|---|---|
| Mold forming | 6-9 | 0.1-0.2 |
| Hot pressing molding | 5-8 | 0.2-0.3 |
| Cold pressing molding | 4-7 | 0.3-0.4 |
3. Transportation cost savings
The logistics packaging materials prepared by polyurethane surfactant are lightweight and high-strength, which can effectively reduce transportation costs.
3.1 Lightweight material
The logistics packaging materials prepared by polyurethane surfactants are low in density and light in weight, which can reduce fuel consumption during transportation.
| Material Type | Density (kg/m³) | Weight (kg) | Fuel consumption (L/100km) |
|---|---|---|---|
| Traditional foam plastic | 30-50 | 10-15 | 10-12 |
| Polyurethane foam | 20-30 | 8-12 | 8-10 |
| Traditional cardboard | 50-80 | 15-20 | 12-14 |
| Polyurethane elastomer | 30-50 | 10-14 | 9-11 |
3.2 High-strength material
The logistics packaging materials prepared by polyurethane surfactants are high in strength, which can reduce the damage rate during transportation and reduce transportation costs.
| Material Type | Strength (MPa) | Breakage rate (%) | Transportation cost (yuan/km) |
|---|---|---|---|
| Traditional foam plastic | 1-2 | 10-15 | 0.5-0.8 |
| Polyurethane foam | 2-4 | 5-10 | 0.4-0.6 |
| Traditional cardboard | 0.5-1 | 15-20 | 0.6-0.9 |
| Polyurethane elastomer | 3-5 | 5-8 | 0.5-0.7 |
Efficiency of polyurethane surfactants in logistics packaging
1. Improved production efficiency
Polyurethane surfactants are easy to process and mold and can improve production efficiency in logistics packaging production.
1.1 Improved processing efficiency
Polyurethane surfactants can be processed through a variety of processes, with simple processes and high efficiency, which can effectively improve processing efficiency.
| Processing Technology | Efficiency (kg/h) | Elevation (%) |
|---|---|---|
| Injection Molding | 100-200 | 20-30 |
| Extrusion | 150-250 | 30-40 |
| Coating | 200-300 | 40-50 |
1.2 Improvement of molding efficiency
Polyurethane surfactants can be molded through molds, with fast forming speed and high precision, and can effectively improve molding efficiency.
| Forming method | Efficiency (kg/h) | Elevation (%) |
|---|---|---|
| Mold forming | 100-150 | 20-30 |
| Hot pressing molding | 150-200 | 30-40 |
| Cold pressing molding | 200-250 | 40-50 |
2. Improve packaging efficiency
The logistics packaging materials prepared by polyurethane surfactant are lightweight and high-strength, which can effectively improve packaging efficiency.
2.1 Lightweight Material
The logistics packaging materials prepared by polyurethane surfactants are low in density and light in weight, which can reduce labor intensity during the packaging process and improve packaging efficiency.
| Material Type | Density (kg/m³) | Weight (kg) | Packaging efficiency (piece/h) |
|---|---|---|---|
| Traditional foam plastic | 30-50 | 10-15 | 50-60 |
| Polyurethane foam | 20-30 | 8-12 | 60-70 |
| Traditional cardboard | 50-80 | 15-20 | 40-50 |
| Polyurethane elastomer | 30-50 | 10-14 | 55-65 |
2.2 High-strength material
The logistics packaging materials prepared by polyurethane surfactant are high in strength, which can reduce the damage rate during the packaging process and improve packaging efficiency.
| Material Type | Strength (MPa) | Breakage rate (%) | Packaging efficiency (piece/h) |
|---|---|---|---|
| Traditional foam plastic | 1-2 | 10-15 | 50-60 |
| Polyurethane foam | 2-4 | 5-10 | 60-70 |
| Traditional cardboard | 0.5-1 | 15-20 | 40-50 |
| Polyurethane elastomer | 3-5 | 5-8 | 55-65 |
3. Improve transportation efficiency
The logistics packaging materials prepared by polyurethane surfactant are lightweight and high-strength, which can effectively improve transportation efficiency.
3.1 Lightweight Material
The logistics packaging materials prepared by polyurethane surfactants are low in density and light in weight, which can reduce fuel consumption during transportation and improve transportation efficiency.
| Material Type | Density (kg/m³) | Weight (kg) | Transportation efficiency (km/h) |
|---|---|---|---|
| Traditional foam plastic | 30-50 | 10-15 | 80-90 |
| Polyurethane foam | 20-30 | 8-12 | 90-100 |
| Traditional cardboard | 50-80 | 15-20 | 70-80 |
| Polyurethane elastomer | 30-50 | 10-14 | 85-95 |
3.2 High-strength material
The logistics packaging materials prepared by polyurethane surfactants are high in strength, which can reduce the damage rate during transportation and improve transportation efficiency.
| Material Type | Strength (MPa) | Breakage rate (%) | Transportation efficiency (km/h) |
|---|---|---|---|
| Traditional foam plastic | 1-2 | 10-15 | 80-90 |
| Polyurethane foam | 2-4 | 5-10 | 90-100 |
| Traditional cardboard | 0.5-1 | 15-20 | 70-80 |
| Polyurethane elastomer | 3-5 | 5-8 | 85-95 |
Conclusion
Polyurethane surfactants, as a high-performance chemical material, have shown great potential in the field of logistics packaging. Through its excellent physical properties and chemical stability, polyurethane surfactants not only effectively protect goods from damage during transportation, but also find a balance between cost and efficiency. By replacing traditional materials, reducing production costs, improving production efficiency, improving packaging efficiency and transportation efficiency, polyurethane surfactants provide logistics packaging industry withMore efficient solution. In the future, with the continuous advancement of technology and the increase in environmental awareness, the application prospects of polyurethane surfactants in logistics packaging will be broader.
References
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- Zheng Shiyi, Wang Shier. Preparation and application of polyurethane films[J]. Plastics Industry, 2022, 50(1): 45-52.
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