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Advantages of solvent-free compounding

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Advantages of solvent-free compounding

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  • Time of issue:2021-01-26 15:02
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(Summary description)The composite process adopted by most domestic manufacturers is dry composite. The dry composite process is an early production technology imported from Japan and Europe. It is characterized by mature technology, stable quality, and wide range of applications. However, dry compounding also has its inherent shortcomings. Because a large amount of organic solvents are used in the production process, the residual organic solvents in the packaging film will migrate after contact with foods, drugs and other contents, which will ultimately affect the health of consumers. The risk of impact.

Advantages of solvent-free compounding

(Summary description)The composite process adopted by most domestic manufacturers is dry composite. The dry composite process is an early production technology imported from Japan and Europe. It is characterized by mature technology, stable quality, and wide range of applications. However, dry compounding also has its inherent shortcomings. Because a large amount of organic solvents are used in the production process, the residual organic solvents in the packaging film will migrate after contact with foods, drugs and other contents, which will ultimately affect the health of consumers. The risk of impact.

  • Categories:News
  • Author:
  • Origin:
  • Time of issue:2021-01-26 15:02
  • Views:
Information

The composite process adopted by most domestic manufacturers is dry composite. The dry composite process is an early production technology imported from Japan and Europe. It is characterized by mature technology, stable quality, and wide range of applications. However, dry compounding also has its inherent shortcomings. Because a large amount of organic solvents are used in the production process, the residual organic solvents in the packaging film will migrate after contact with foods, drugs and other contents, which will ultimately affect the health of consumers. The risk of impact.

Solvent-free compounding technology is developed on the basis of solvent compounding due to the rising cost of organic solvents caused by the oil crisis in the 1970s and the increasing global environmental protection requirements. Especially as the restrictions on organic solvent emissions in various countries become more and more stringent, flexible packaging manufacturers generally use solvent-free compounding to replace traditional solvent compounding technology when expanding compound production capacity. Compared with ordinary dry compounding process, solvent-free compounding has the following advantages.

 

1. Health

Since the solvent-free process completely avoids the use of organic solvents in the production process, it fundamentally solves the problem of solvent residues. So solvent-free compounding is a healthy compounding process.

 

2. Security

Fire and explosion accidents occur from time to time in flexible packaging manufacturers at home and abroad, mainly caused by improper operation or excessive concentration of organic solvents in the air. If solvent-free compounding is adopted, the use of organic solvents is completely avoided and potential safety hazards are eliminated.

 

Three, environmental protection

The solvent-free composite adhesive is completely solid and does not contain any organic solvents. Therefore, there is no impact on the health of production workers, and zero emissions of organic solvents are also achieved, avoiding air pollution problems. Has obvious environmental protection advantages.

 

Fourth, cost savings

1. Since the non-solvent compounding process does not require a drying process, the energy consumption cost is effectively reduced. After calculation, the energy consumption cost of solvent-free equipment is 1/15 of the energy consumption cost of dry complex equipment.

2. From the perspective of production efficiency, the efficiency of solvent-free equipment is 1.5-2 times that of ordinary dry compounding, which effectively reduces production costs.

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