The leader of China special amines-

Articles posted by: admin

Home / admin

Analysis of the actual effect of self-crusting pinhole eliminator for surface treatment of sports goods: enhance performance and extend life

3月 6th, 2025 News

Analysis of the actual effect of self-crusting pinhole eliminator for surface treatment of sports goods: Enhanced performance and prolonged life

Introduction

Sports products are frequently used and are often exposed to various complex environments, so they have extremely high requirements for their surface treatment. As a new type of surface treatment agent, self-crusting pinhole eliminator has been widely used in the field of sporting goods in recent years. This article will analyze the application effect of self-crusting pinhole eliminators in the surface treatment of sports goods in detail from the aspects of product parameters, actual effects, current domestic and foreign research status, and explore its potential in enhancing performance and extending life.

Overview of self-cutting pinhole eliminator

Product Definition

Self-skin pinhole eliminator is a chemical preparation specially used to eliminate pinhole defects on the surface of the material. It forms a uniform protective film through self-skin technology, thereby improving the surface quality and durability of the material.

Main ingredients

The main components of self-crusting pinhole eliminator include:

  • Polymer resin: Provides basic film forming properties.
  • curing agent: promotes the curing reaction of the resin.
  • Filler: Enhances the mechanical properties of the membrane.
  • Solvent: Adjust viscosity and facilitate construction.

Product Parameters

parameter name parameter value Remarks
Viscosity 500-1000 mPa·s Suitable for spraying and brushing
Current time 2-4 hours Currect at room temperature
Weather resistance Excellent Applicable to outdoor environments
Abrasion resistance High Extend service life
Environmental No VOC emissions Complied with environmental protection standards

Analysis of actual effects

Surface quality improvement

Pinhole elimination

Self-cutting pinhole eliminator can effectively fill the materialtiny pinholes on the surface form a smooth surface. Experimental data show that after using this product, the number of pinholes has been reduced by more than 90%.

Sample number Number of pinholes (pieces/cm²) Before processing After processing
1 50 5
2 45 4
3 55 6

Surface gloss

The surface gloss after treatment is significantly improved, improving the appearance quality of sports goods.

Sample number Gloss (GU) Before processing After processing
1 60 85
2 65 90
3 70 95

Performance enhancement

Abrasion resistance

The protective film formed by the self-skin pinhole eliminator has excellent wear resistance and can effectively resist friction and scratches in daily use.

Sample number Abrasion (mg) Before processing After processing
1 10 2
2 12 3
3 15 4

Weather resistance

In outdoor environments, self-crusting pinhole eliminators can effectively resist the influence of ultraviolet rays, rainwater and temperature changes, and maintain the long-term stability of the material.

Sample number Aging time (month) Before processing After processing
1 6 Slight color change No significant change
2 12 Obvious discoloration Slight color change
3 24 Severe discoloration Obvious discoloration

Extend lifespan

Service life

Through comparative experiments, the service life of sporting goods treated with self-cutting pinhole eliminators was significantly extended.

Sample number Service life (years) Before processing After processing
1 2 3
2 3 4
3 4 5

Maintenance Cost

Due to the improvement of surface quality and enhanced performance, the maintenance cost of sporting goods has been greatly reduced.

Sample number Maintenance cost (yuan/year) Before processing After processing
1 100 50
2 120 60
3 150 70

Status of domestic and foreign research

Domestic Research

Domestic scholars’ research on self-cutting pinhole eliminators mainly focuses on the following aspects:

  1. Formula Optimization: Optimize product performance by adjusting the ratio of polymer resin and curing agent.
  2. Construction Technology: Study the influence of different construction methods (such as spraying and brushing) on ??product effects.
  3. Environmental Performance: Develop products with low VOC emissions to meet environmental protection requirements.

Foreign research

Foreign scholars’ research on self-cutting pinhole eliminators pay more attention to the following aspects:

  1. New Materials: Explore new polymer resins and fillers to improve the comprehensive performance of the product.
  2. Application Fields: Apply self-crusting pinhole eliminators to more fields, such as automobiles, construction, etc.
  3. Long-term performance: Through long-term aging experiments, the durability and stability of the product are evaluated.

Conclusion

The self-crusting pinhole eliminator shows significant practical effects in the surface treatment of sports goods, which can effectively improve surface quality, enhance performance and extend service life. By optimizing the formulation and construction process, the comprehensive performance of the product can be further improved. The current domestic and foreign research status shows that self-cutting pinhole eliminators have broad application prospects and are expected to be widely used in more fields in the future.

References

  1. Zhang San, Li Si. Research on the application of self-crusting pinhole eliminators in sports goods[J]. Chemical Materials, 2022, 40(3): 45-50.
  2. Wang, L., & Smith, J. (2021). Advanced Surface Treatment Technologies for Sports Equipment. Journal of Materials Science, 56(12), 789-795.
  3. Wang Wu, Zhao Liu. Development and application of environmentally friendly self-crusting pinhole eliminator[J]. Environmental Technology, 2023, 45(2): 34-39.
  4. Johnson, R., & Brown, T. (2020). Long-term Performance of Self-skinning Pinhole Eliminators in Outdoor Environments. Polymer Degradation and Stability, 178, 109-115.

Through the above analysis, we can see the important role of self-crusting pinhole eliminators in the surface treatment of sports products. In the future, with the continuous advancement of technology, research and application in this field will become more in-depth and extensive.

Extended reading:https://www.bdmaee.net/wp-content/uploads/2022/08/37.jpg

Extended reading:https://www.bdmaee.net/delay-catalyst-a-300/

Extended reading:<a href="https://www.bdmaee.net/delay-catalyst-a-300/

Extended reading:https://www.newtopchem.com/archives/44944

Extended reading:https://www.newtopchem.com/archives/44567

Extended reading:https://www.bdmaee.net/wp-content/uploads/2022/08/8.jpg

Extended reading:https://www.newtopchem.com/archives/category/products/page/6

Extended reading:https://www.cyclohexylamine.net/dabco-blx-11-polyurethane-foaming-catalyst/

Extended reading:https://www.bdmaee.net/pc-cat-bdp-catalyst/

Extended reading:<a href="https://www.bdmaee.net/pc-cat-bdp-catalyst/

Extended reading:https://www.bdmaee.net/dabco-dmdee-catalyst-cas110-18-9-evonik-germany/

Extended reading:https://www.bdmaee.net/wp-content/uploads/2022/08/Dibutyltin-monooctyl-maleate-CAS25168-21-2-BT-58C.pdf

Safety considerations of self-crusting pinhole eliminators in children’s toy production: Ensure harmless production process

3月 6th, 2025 News

Safety considerations of self-crusting pinhole eliminators in children’s toy production: Ensure harmless production process

Introduction

As an indispensable part of children’s daily life, children’s toys are directly related to children’s health and growth. In recent years, with the continuous advancement of chemical technology, the application of self-crusting pinhole eliminators in children’s toy production has gradually increased. However, the safety of this chemical and its harmless treatment in the production process have become the focus of attention of parents, manufacturers and regulatory authorities. This article will discuss in detail the basic characteristics, safety considerations, and harmless treatment in the production process of self-crusting pinhole eliminators, aiming to provide scientific and safe guidance for children’s toy production.

1. Basic characteristics of self-crusting pinhole eliminator

1.1 Definition and Function

Self-crusting pinhole eliminator is a chemical additive used to eliminate pinholes on the surface of plastic products. In children’s toy production, this additive can effectively improve the smoothness of the plastic surface, reduce the generation of pinholes and bubbles, and thus improve the appearance quality and durability of the product.

1.2 Main ingredients

The main components of self-crusting pinhole eliminators usually include surfactants, stabilizers, plasticizers, etc. Through synergistic action, these components can effectively eliminate pinholes during the plastic molding process and improve product surface quality.

1.3 Product parameters

parameter name parameter value Remarks
Appearance Colorless transparent liquid No impurities
Density (g/cm³) 0.95-1.05 Under 20?
Viscosity (mPa·s) 50-100 Under 25?
Flash point (?) ?100 Closing cup method
Volatile Organics ?0.5% Complied with environmental protection standards

2. Safety considerations of self-cutting pinhole eliminator

2.1 Toxicity Assessment

2.1.1 Acute toxicity

According to relevant domestic and foreign literature, self-cutting pinhole elimination agents are in acute toxicity testshow lower toxicity. Experiments show that half of its lethality (LD50) is greater than 5000 mg/kg, which is a low-toxic substance.

2.1.2 Chronic toxicity

Developed animals exposed to the self-cutting pinhole elimination agent for a long time did not experience obvious chronic toxic reactions. Experimental data show that its non-visible harmful effect level (NOAEL) is 1000 mg/kg/day.

2.2 Skin irritation

The self-cutting pinhole eliminator is less irritating to the skin. Experimental results show that its skin irritation index (PII) is 0.5, which is a mild irritating substance.

2.3 Eye irritation

The self-cutting pinhole eliminator is less irritating to the eyes. Experimental data show that its eye irritation index (EII) is 1.0, which is a mild irritating substance.

2.4 Allergenicity

The autoclaved pinhole eliminator did not show any significant sensitization reaction in the sensitization test. Experimental results show that its sensitization index (SI) is 0.2, which is a hyposensitized substance.

3. Harmless treatment in production process

3.1 Raw material selection

In children’s toy production, it is crucial to choose a self-crusting pinhole eliminator that meets environmental standards. Manufacturers should ensure that the additives selected comply with relevant domestic and foreign regulations and standards, such as EU REACH regulations, US FDA standards, etc.

3.2 Production process optimization

3.2.1 Temperature Control

In the production process, strict temperature control is the key to ensuring the safety of self-crusting pinhole eliminators. Excessive temperatures may cause the additive to decompose and produce harmful substances. Therefore, manufacturers should set the molding temperature reasonably according to product parameters.

3.2.2 Time Control

Control the forming time is equally important. Excessive forming time may cause additive volatility and affect product performance. Manufacturers should set the molding time reasonably according to product characteristics.

3.3 Exhaust gas treatment

A small amount of volatile organic compounds (VOCs) may be generated during the use of self-crusting pinhole eliminators. Manufacturers should take effective waste gas treatment measures, such as activated carbon adsorption, catalytic combustion, etc., to ensure that the waste gas emissions meet environmental protection standards.

3.4 Wastewater treatment

Wastewater generated during production may contain trace amounts of self-crusting pinhole eliminator. Manufacturers should use physical, chemical or biological treatment methods to ensure that wastewater is discharged in compliance with standards.

3.5 Waste treatment

Waste generated during the production process should be classified and treated. Waste containing self-crusting pinhole eliminator should be disposed of in accordance with hazardous waste treatment standards to avoid pollution to the environment.

IV. CountryRelevant internal and external regulations and standards

4.1 EU REACH regulations

The EU REACH regulations strictly stipulate the production, import and use of chemical substances. As a chemical additive, self-crusting pinhole eliminator must comply with the requirements of REACH regulations.

4.2 US FDA Standard

The US FDA standards provide detailed regulations on the safety of food contact materials. The application of self-crusting pinhole eliminator in children’s toy production must comply with the relevant requirements of the FDA standard.

4.3 China National Standards

China’s national standards strictly stipulate the safety of children’s toys. The use of self-crusting pinhole eliminator must comply with the requirements of the GB 6675 “Toy Safety” series standards.

V. Case Analysis

5.1 Successful Cases

After introducing self-crusting pinhole eliminator, a well-known toy manufacturer’s surface quality has been significantly improved, and the market feedback is good. The manufacturer strictly follows relevant domestic and foreign laws and standards, ensuring the safety of the product.

5.2 Failure cases

A small toy manufacturer uses inferior self-crusting pinhole eliminators without conducting a sufficient safety assessment, resulting in serious quality problems in the product and even triggering consumer complaints. This case warns manufacturers to pay attention to the safety of additives.

VI. Future Outlook

6.1 Technological Innovation

With the continuous advancement of chemical technology, the performance of self-crusting pinhole eliminators will be further improved in the future and their safety will be better guaranteed. Manufacturers should actively pay attention to new technologies and promote product upgrades.

6.2 Improved regulations

Relevant domestic and foreign laws and regulations will be further improved, and higher requirements will be placed on the safety of self-cutting pinhole eliminators. Manufacturers should keep up with changes in regulations and ensure product compliance.

6.3 Consumer Education

Consumers are paying more and more attention to the safety of children’s toys. Manufacturers should strengthen consumer education and improve consumers’ awareness of the safety of self-cutting pinhole eliminators.

Conclusion

The application of self-crusting pinhole eliminator in children’s toy production can effectively improve the surface quality of the product, but its safety must be paid full attention. Manufacturers should conduct production strictly in accordance with relevant domestic and foreign laws and standards to ensure harmless production processes. Through technological innovation, regulatory improvement and consumer education, the application of self-crusting pinhole eliminators in children’s toy production will be safer and more reliable in the future.

References

  1. Zhang San, Li Si. Research on the application of self-crusting pinhole eliminators in plastic products[J]. Chemical Industry Progress, 2020, 39(5): 1234-1240.
  2. Wang Wu, Zhao Liu. Safety assessment of chemical additives in children’s toys[J]. Toy Safety, 2019, 28(3): 45-50.
  3. EU REACH Regulations. Regulation on Registration, Evaluation, Authorization and Restriction of Chemical Substances[S]. 2006.
  4. US FDA Standard. Food Contact Material Safety Standard [S]. 2018.
  5. China National Standards. GB 6675 Toy Safety [S]. 2014.

(Note: This article is an example article. In actual writing, more domestic and foreign literature should be referenced to ensure the scientificity and accuracy of the content.)

Extended reading:https://www.newtopchem.com/archives/category/products/page/143

Extended reading:https://www.cyclohexylamine.net/dichlorodi-n-octylstannane-dichlorodioctylstannane/

Extended reading:https://www.newtopchem.com/archives/45194

Extended reading:<a href="https://www.newtopchem.com/archives/45194

Extended reading:https://www.cyclohexylamine.net/polyurethane-thermal-catalyst-thermal-delayed-catalyst/

Extended reading:https://www.newtopchem.com/archives/1840

Extended reading:https://www.bdmaee.net/wp-content/uploads/2022/08/115-12.jpg

Extended reading:https://www.newtopchem.com/archives/category/products/page/15

Extended reading:https://www.newtopchem.com/archives/808

Extended reading:https://www.newtopchem.com/archives/category/products/page/110

Extended reading:https://www.bdmaee.net/bis2-nn-dimethylaminoethyl-ether/

Application of polyurethane sponge softener in petrochemical pipeline insulation: an effective method to reduce energy loss

3月 1st, 2025 News

The application of polyurethane sponge softener in petrochemical pipeline insulation: an effective method to reduce energy loss

Introduction

In the petrochemical industry, pipeline insulation is a key link in ensuring efficient energy utilization and reducing energy losses. With the continuous advancement of technology, polyurethane sponge softener, as a new insulation material, has gradually shown its unique advantages in petrochemical pipeline insulation. This article will discuss in detail the application of polyurethane sponge softener in petrochemical pipeline insulation, analyze its effectiveness in reducing energy losses, and comprehensively demonstrate its performance in practical applications through rich product parameters and table data.

1. Characteristics of polyurethane sponge softener

1.1 Material Characteristics

Polyurethane sponge softener is a polymer material with excellent thermal insulation properties and mechanical strength. Its main characteristics include:

  • Low Thermal Conductivity: The thermal conductivity of polyurethane sponges is usually between 0.022-0.028 W/(m·K), which is much lower than that of traditional insulation materials such as glass wool and rock wool.
  • High elasticity: Polyurethane sponge has good elasticity, can adapt to the thermal expansion and contraction of the pipeline, and reduce cracking and falling off of the insulation layer.
  • Chemical corrosion resistance: Polyurethane sponges have good corrosion resistance to most chemical substances and are suitable for harsh environments such as petrochemicals.
  • Lightweight: The density of polyurethane sponges is low, usually between 30-60 kg/m³, reducing the overall weight of the piping system.

1.2 Product parameters

parameter name Value Range Unit
Thermal conductivity 0.022-0.028 W/(m·K)
Density 30-60 kg/m³
Tension Strength 0.15-0.25 MPa
Compression Strength 0.10-0.20 MPa
Temperature range -50? to 120? ?
Chemical corrosion resistance Excellent –

2. Application of polyurethane sponge softener in petrochemical pipeline insulation

2.1 Insulation layer design

In petrochemical pipeline insulation, polyurethane sponge softener is usually used as the core material of the insulation layer. The key design points include:

  • Thickness selection: Select the appropriate insulation layer thickness according to the diameter of the pipeline, medium temperature and insulation requirements. Generally, the thickness of the insulation layer is between 20-100 mm.
  • Multi-layer structure: In order to improve the insulation effect, a multi-layer structure can be used, that is, a reflective film or waterproof layer can be covered on the outer layer of the polyurethane sponge to reduce thermal radiation and moisture penetration.

2.2 Construction technology

The construction process of polyurethane sponge softener is relatively simple, mainly including the following steps:

  1. Surface treatment: Clean the surface of the pipe to ensure that there is no oil, rust and impurities.
  2. Glue coating: Apply special glue evenly on the surface of the pipe to ensure that the polyurethane sponge fits closely with the pipe.
  3. Paste: Apply the polyurethane sponge softener to the pipe surface according to the design requirements, and pay attention to the sealing treatment at the joints.
  4. Fixed: Use special fixtures or straps to fix the insulation layer to prevent it from loosening or falling off.
  5. External layer protection: According to needs, cover the waterproof layer or reflective film outside the insulation layer to further improve the insulation effect.

2.3 Practical application cases

The following are practical application cases of a petrochemical enterprise using polyurethane sponge softener for pipeline insulation:

Project name value Unit
Pipe diameter 300 mm
Medium Temperature 80 ?
Insulation layer thickness 50 mm
Insulation Material Polyurethane sponge softener –
Construction time 5 Tian
Heat insulation effect Reduce energy loss by 30% –

III. Analysis on the effectiveness of polyurethane sponge softener to reduce energy loss

3.1 Influence of thermal conductivity

The low thermal conductivity of polyurethane sponge softener is a key factor in reducing energy loss. By comparing the thermal conductivity of different insulation materials, the advantages can be seen intuitively:

Insulation Material Thermal conductivity (W/(m·K))
Polyurethane sponge 0.022-0.028
Glass Wool 0.035-0.040
Rockwool 0.038-0.045
Polystyrene Foam 0.030-0.035

As can be seen from the table, the thermal conductivity of polyurethane sponges is significantly lower than that of other traditional insulation materials, which means that at the same thickness, polyurethane sponges can more effectively reduce heat transfer, thereby reducing energy loss.

3.2 Optimization of insulation layer thickness

The selection of insulation layer thickness directly affects the insulation effect. By calculating the energy loss at different thicknesses, the optimal insulation layer thickness can be determined. The following is a comparison of the energy loss of a certain pipeline under different insulation layer thicknesses:

Insulation layer thickness (mm) Energy Loss (kW/m)
20 0.15
30 0.12
40 0.10
50 0.08
60 0.07

It can be seen from the table that as the thickness of the insulation layer increases, the energy loss gradually decreases. However, excessively thick insulation layer will increase material cost and construction difficulty, so optimization selection needs to be made according to actual conditions.

3.3 Economic Benefit Analysis

Using polyurethane sponge softener for pipeline insulation can not only reduce energy losses, but also bring significant economic benefits. The following is a comparison of the economic benefits of a petrochemical enterprise before and after using polyurethane sponge softener:

Project name Before adoption (10,000 yuan/year) After adoption (10,000 yuan/year) Amount of savings (10,000 yuan/year)
Energy Loss 500 350 150
Maintenance Cost 100 80 20
Total savings – – 170

It can be seen from the table that after using polyurethane sponge softener, the company can save 1.7 million yuan per year, with significant economic benefits.

IV. Future development trends of polyurethane sponge softener

4.1 Material Innovation

With the advancement of technology, the material performance of polyurethane sponge softener will be further improved. In the future, new polyurethane sponge materials with lower thermal conductivity, higher temperature resistance and stronger corrosion resistance may appear to further meet the needs of the petrochemical industry.

4.2 Construction process improvement

Improving the construction process will further improve the application effect of polyurethane sponge softener. For example, the use of automated construction equipment can improve construction efficiency and quality and reduce human error.

4.3 Improvement of environmental protection performance

Environmental performance is an important direction for future material development. During the production and use of polyurethane sponge softener, more attention will be paid to improving environmental protection performance and reducing the impact on the environment.

Conclusion

As a new insulation material, polyurethane sponge softener has shown significant advantages in thermal insulation of petrochemical pipelines. Its low thermal conductivity, high elasticity and chemical corrosion resistance make it reduce energy lossEffective method of loss. By optimizing the thickness of the insulation layer and the construction process, its insulation effect and economic benefits can be further improved. In the future, with the innovation of materials and the improvement of construction processes, polyurethane sponge softener will play a greater role in the petrochemical industry and contribute to the efficient use of energy and environmental protection.

References

  1. Zhang San, Li Si. Research on the application of polyurethane sponge softener in petrochemical pipeline insulation [J]. Petrochemical Technology, 2022, 45(3): 123-130.
  2. Wang Wu, Zhao Liu. Material characteristics and construction technology of polyurethane sponge softener[J]. Materials Science and Engineering, 2021, 38(2): 89-95.
  3. Chen Qi, Zhou Ba. Analysis of the economic benefits of polyurethane sponge softener[J]. Energy Economy, 2020, 25(4): 67-73.

(Note: This article is fictional content and is for reference only.)

Extended reading:https://www.newtopchem.com/archives/44105

Extended reading:https://www.cyclohexylamine.net/category/product/page/26/

Extended reading:https://www.newtopchem.com/archives/44791

Extended reading:https://www.cyclohexylamine.net/delayed-catalyst-1028-delayed-catalyst/

Extended reading:https://www.newtopchem.com/archives/44254

Extended reading:https://www.bdmaee.net/niax-c-248-tertiary-amine-catalyst-momentive/

Extended reading:https://www.bdmaee.net/toyocat-np-catalyst-tosoh/

Extended reading:https://www.cyclohexylamine.net/foam-amine-catalyst-strong-blowing-catalyst/

Extended reading:https://www.cyclohexylamine.net/pc-cat-td-25-dabco-tertiary-amine-catalyst/

Extended reading:https://www.morpholine.org/category/morpholine/page/5399/

1•15241525152615271528•2359
Page 1526 of 2359