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PVC/PVDC coated film is firstly development and used by German factory in the 1940s. In practical application process, PVDC has good obstruct ability , it plays a good moisture-proof effect to the product in packing.
PVDC material itself is the latex character, has quite big brittleness after the solidification. In the coating process and post-processing, the pivotal technical is to reduce its brittleness, make it normally used in the room temperature environment. Before, the technical ability is too poor to do so. That is one of the technical difficulties of PVDC compound material.
On the basis of oversea craft brother experience, our technician first produces successfully in China. It mainly takes PVC film as the basal material, then coated PVDC(import from BASF in Germany). During the production processing, the temperature, coated quantum, times and other important considerations are checked strictly to make sure that the product can meet the standard of the same product in the internatiolal. The obstruct ability is 5 times higher than common PVC. Meantime it has a certain rigidity, flexility and can be widely used in packaging various solid medicine, especially for easy humidity absorb medicine.


Remarks:
According to the investigation, presently 80% medicine using such packaging materials, but PVC film that widespread used in China could infiltrate the gas and liquor 6 months later in the boom temperature condition. It has a great impact on products. But if using PVDC, the period for protection can really reach at least 2 years.

Baytree Packaging Material Corporation
Address: No.8 NanerHuan Road Taixing Jiangsu China
Zipcode: 225400
Tel: +86 523 87713900 / 82826000
Fax: +86 523 87713700
Website: http://www.baytree.com.cn
Email: baytree@baytree.com.cn
MSN: baytreechina@hotmail.com
Yahoo: baytreechina@yahoo.com.cn

mostrado 61 veces

In practical application process, added non-toxic PVC monomer which has the environmental protection ability on the clear PET surface , combined with PVDC good obstruct ability , it plays a good moisture-proof effect to the product in packing.
PVDC material itself is the latex character, has quite big brittleness after the solidification. In the coating process and post-processing, the pivotal technical is to reduce its brittleness, make it normally used in the room temperature environment. Before, the technical ability is too poor to do so. That is one of the technical difficulties of PVDC compound material.
On the basis of oversea craft brother experience, our technician first produces successfully in China. It mainly takes PET film as the basal material, then coated PVDC(import from BASF in Germany). During the production processing, the temperature, coated quantity and times and other important considerations are checked strictly to make the final product meet the foreign products quality standards. The obstruct ability is 5 times higher than the common PVC. Meantime it has a certain rigidity, flexible and can be widely used in packaging various solid medicine, especially for easy humidity absorb medicine.


Remarks:
According to the investigation, presently 80% medicine using such packaging materials, but the PVC film that widespread used in China could infiltrate the gas and liquor 6 months later in the room temperature condition. The product will cause toxic effects. At present, developed countries all forbid using PVC to contact medicine directly.

Baytree Packaging Material Corporation
Address: No.8 NanerHuan Road Taixing Jiangsu China
Zipcode: 225400
Tel: +86 523 87713900 / 82826000
Fax: +86 523 87713700
Website: http://www.baytree.com.cn
Email: baytree@baytree.com.cn
MSN: baytreechina@hotmail.com
Yahoo: baytreechina@yahoo.com.cn

mostrado 43 veces

EVOH can be regarded as EVA (ethylene—acetic acid ethylene ester copolymer) modified material. Its most remarkable characteristic is that it has excellent gas obstruct ability, which is 10000 times higher than polyethylene. To the gas and the solvent, it also has good barrier properties. It has both ethylene polymer’s good process capability and vinyl alcohol polymer’s high gas obstruct ability. It is a new colorless, transparent obstruct material, and the PVDC, PA, the three material are the best barrier resin in the world. It also has excellent oil resistance and the resistance of organic solvents, excellent antistatic properties, it can regenerate, doesn’t contain Chlorine and Dioxin, is green product. In dry and relative humidity(RH＜60% ＝ condition， its permeability is extremely low, but the gas barrier property is 10 to 50 times or even more times higher than Nylon, is only behind the aluminum foil. According to the use of soft packaging, you must considered the material’s process capability and physical property, to choose EVOH as the barrier layer, can prevent oxygen and water vapor infiltrating into the content and also can chain up the aroma, fluid juice and the solvent of the content. Thus it solved the problem that the contents (liquid, gas) dissolved the compound water glue. In some areas, the EVOH has gradually replace the metallic film, foil and rigid container. EVOH has excellent oil resistance, organic solvent resistance and aroma protection. It can maintain the fragrance for a long time, also can prevent the exterior bad gas infiltrating into the content. At the same time, it is easy to recycling. After burning, it doesn’t cause any harmful gas. Because of these excellent abilities, it has called green environment protection material, is being received various countries’ attention and show the best growth trend in the market.
After many years' research, we discovered that if we select the international import raw materials, use the latest co-extruded process flow, the production which contains the EVOH high obstruct ability. Then compound many kinds of base materials like PE, PP, PVC, polystyrene, PET, PA and so on. The Oxygen transmission rate can be reduced to a small percentage even one thousandth. According the requirement of the obstruct effect, it can be coated on single side or double sides or even multilayer coated. The production of multilayer coated film for the automatic liquid filling machine, not only solved the moisture absorption problem, but also allows the material has a good economical efficiency. To each kind of active ingredient, the low adsorbability, high obstruct ability, can prevent the loss of effective component; the excellent oxygen resistance, can prevent the oxidation and metamorphism of the effective component; the excellent transparent ability, can be applied to the oxygen sensitive goods. The packaging content can be solid granules、powdery products、fluid products.



Chemical oil resistance
EVOH compound film has excellent oil resistance and organic liquor resistance. Put it in the liquor and oil in the 68 degree F. A year later, the increased percentage of the weight is : to the cyclohexane, xylene, petroleum ether, benzene and acetone is 0% ; to the glycol is 2.3% ; to the methanol is 12.2%; to the salad oil is 0.1%.


Thermal/ Mechanical Properties
EVOH compound film has high mechanical strength, the flexibility, the skin hardness, the friction-resistant ability and the weatherability, it also has strong antistatic property. The material has high gloss and the low fog density, so it has a high degree of transparency.

mostrado 3614 veces

EVOH can be regarded as EVA (ethylene—acetic acid ethylene ester copolymer) modified material. Its most remarkable characteristic is that it has excellent gas obstruct ability, which is 10000 times higher than polyethylene. To the gas and the solvent, it also has good barrier properties. It has both ethylene polymer’s good process capability and vinyl alcohol polymer’s high gas obstruct ability. It is a new colorless, transparent obstruct material, and the PVDC, PA, the three material are the best barrier resin in the world. It also has excellent oil resistance and the resistance of organic solvents, excellent antistatic properties, it can regenerate, doesn’t contain Chlorine and Dioxin, is green product. In dry and relative humidity(RH＜60% ＝ condition， its permeability is extremely low, but the gas barrier property is 10 to 50 times or even more times higher than Nylon, is only behind the aluminum foil. According to the use of soft packaging, you must considered the material’s process capability and physical property, to choose EVOH as the barrier layer, can prevent oxygen and water vapor infiltrating into the content and also can chain up the aroma, fluid juice and the solvent of the content. Thus it solved the problem that the contents (liquid, gas) dissolved the compound water glue. In some areas, the EVOH has gradually replace the metallic film, foil and rigid container. EVOH has excellent oil resistance, organic solvent resistance and aroma protection. It can maintain the fragrance for a long time, also can prevent the exterior bad gas infiltrating into the content. At the same time, it is easy to recycling. After burning, it doesn’t cause any harmful gas. Because of these excellent abilities, it has called green environment protection material, is being received various countries’ attention and show the best growth trend in the market.
After many years' research, we discovered that if we select the international import raw materials, use the latest co-extruded process flow, the production which contains the EVOH high obstruct ability. Then compound many kinds of base materials like PE, PP, PVC, polystyrene, PET, PA and so on. The Oxygen transmission rate can be reduced to a small percentage even one thousandth. According the requirement of the obstruct effect, it can be coated on single side or double sides or even multilayer coated. The production of multilayer coated film for the automatic liquid filling machine, not only solved the moisture absorption problem, but also allows the material has a good economical efficiency. To each kind of active ingredient, the low adsorbability, high obstruct ability, can prevent the loss of effective component; the excellent oxygen resistance, can prevent the oxidation and metamorphism of the effective component; the excellent transparent ability, can be applied to the oxygen sensitive goods. The packaging content can be solid granules、powdery products、fluid products.



Chemical oil resistance
EVOH compound film has excellent oil resistance and organic liquor resistance. Put it in the liquor and oil in the 68 degree F. A year later, the increased percentage of the weight is : to the cyclohexane, xylene, petroleum ether, benzene and acetone is 0% ; to the glycol is 2.3% ; to the methanol is 12.2%; to the salad oil is 0.1%.


Thermal/ Mechanical Properties
EVOH compound film has high mechanical strength, the flexibility, the skin hardness, the friction-resistant ability and the weatherability, it also has strong antistatic property. The material has high gloss and the low fog density, so it has a high degree of transparency.

mostrado 5529 veces

Due to PE has good heat sealing ability, it can’t obstruct the gas but it can obstruct the fluid very well. It is good for fluid medicine packing.

Some factories used old glass bottles before, it has two fatal defects:
1.It is easy broken when you are opening.
2.The fluid in it is easy to expanded and crash the bottle when it has fermented. So it will damage the product packaging.

Officinal PET/PE coated film has kept away from the two defects above. It is mainly produced by officinal PVC film, then heat seal PE film. During the producing, the temperature, coated quantum and solid time are measured strictly to make sure that the product can meet the standard of the same product in the international. The heat sealing ability is 4 times higher than common PVC film. It also has good rigidty, flexility, cash resistance and dilatability. It is suitable for packing all kinds of fluid medicine.


PS: If there is any volatile, please consult to use PVC/PVDC/PE coated film. This product has high obstruct ability. It can complete avoid the volatilization of the shortage quantity or other effect that affected the capability of the medicine.

mostrado 5347 veces

In practical application process, added non-toxic PVC monomer which has the environmental protection ability on the clear PET surface , combined with PVDC good obstruct ability , it plays a good moisture-proof effect to the product in packing.
PVDC material itself is the latex character, has quite big brittleness after the solidification. In the coating process and post-processing, the pivotal technical is to reduce its brittleness, make it normally used in the room temperature environment. Before, the technical ability is too poor to do so. That is one of the technical difficulties of PVDC compound material.
On the basis of oversea craft brother's experience, our technician first produces successfully in China. It mainly takes PVC film as the basal material, then coated PVDC(import from BASF in Germany). During the production processing, the temperature, coated quantity and times and other important considerations are checked strictly to make the final product meet the foreign products quality standards. The obstruct ability is 5 times higher than the common PVC. Meantime it has a certain rigidity, flexible and can be widely used in packaging various solid medicine, especially for easy humidity absorb medicine.


Remarks:
According to the investigation, presently 80% medicine using such packaging materials, but the PVC film that widespread used in China could infiltrate the gas and liquor 6 months later in the room temperature condition. The product will cause toxic effects. At present, developed countries all forbid using PVC to contact medicine directly.

mostrado 5462 veces

Officinal PVC/PVDC coated film is firstly development and used by German factory in the 1940s. In practical application process, PVDC has good obstruct ability , it plays a good moisture-proof effect to the product in packing.
PVDC material itself is the latex character, has quite big brittleness after the solidification. In the coating process and post-processing, the pivotal technical is to reduce its brittleness, make it normally used in the room temperature environment. Before, the technical ability is too poor to do so. That is one of the technical difficulties of PVDC compound material.
On the basis of oversea craft brother's experience, our technician first produces successfully in China. It mainly takes PVC film as the basal material, then coated PVDC(import from BASF in Germany). During the production processing, the temperature, coated quantum, times and other important considerations are checked strictly to make sure that the product can meet the standard of the same product in the international. The obstruct ability is 5 times higher than common PVC. Meantime it has a certain rigidity, flexility and can be widely used in packaging various solid medicine, especially for easy humidity absorb medicine.


Remarks:
According to the investigation, presently 80% medicine using such packaging materials, but PVC film that widespread used in China could infiltrate the gas and liquor 6 months later in the room temperature condition. It has a great impact on products. But if using PVDC, the period for protection can really reach at least 2 years.

mostrado 5400 veces

Due to PE has good heat sealing ability, it can’t obstruct the gas but it can obstruct the fluid very well. It is good for fluid medicine packing.

Some factories used old glass bottles before, it has two fatal defects:
1.It is easy broken when you are opening.
2.The fluid in it is easy to expanded and crash the bottle when it has fermented. So it will damage the product packaging.

Officinal PVC/PE coated film has kept away from the two defects above. It is mainly produced by officinal PVC film, then heat seal PE film. During the producing, the temperature, coated quantum and solid time are measured strictly to make sure that the product can meet the standard of the same product in the international. The heat sealing ability is 4 times higher than common PVC film. It also has good rigidty, flexility, cash resistance and dilatability. It is suitable for packing all kinds of fluid medicine.


PS: If there is any volatile, please consult to use PVC/PVDC/PE coated film. This product has high obstruct ability. It can complete avoid the volatilization of the shortage quantity or other effect that affected the capability of the medicine.

mostrado 4785 veces

Officinal PVC/PVDC/PE coated film is add high obstract material PVDC between PVC and PE. In practical application process, put liquid in PVC/PE compound film, if there is any liquid which has strong volatility, after a period of time stored, the liquid will volatilize, the quantity will reduce and the face of the product will inward
depression. It will reduce the effective protection capablity of the medicine. Seriously, it will cause the disput with consumers. Then the economy and the image of the company will be damaged. Due to the good obstruct ability of PVDC, it plays a good anti-infiltrate effect to the product in packing, it's the ideal packing material for easy humidity absorb medicine.
PVDC material itself is the latex character, has quite big brittleness after the solidification. In the coating process and post-processing, the pivotal technical is to reduce its brittleness, make it normally used in the room temperature environment. Before, the technical ability is too poor to do so. That is one of the technical difficulties of PVDC compound material. However, the three compound processing technology is more difficult. At present, only few companies which has independent research and development ability can do it in China.
My company starts from 1980s, after a few years research and testing, finally succeeded in produce the PVC/PVDC/PE costed film which is truly apply to the liquid packaging. It mainly takes PVC film as the basal material, then coated PVDC(import from BASF in Germany) and PE . During the production processing, the temperature, coated quantity and times and other important considerations are checked strictly to make the final product meet the foreign products' quality standards. The obstruct ability is 5 times higher than the common PVC. Meantime it has a certain rigidity, flexible and can be widely used in packaging various easy volatile medicine. The period for protection can really reach the required standard.

According to the investigation, presently 80% medicine using such packaging materials, but the PVC film that widespread used in China could infiltrate the gas and liquor 6 months later in the room temperature condition. It has a great impact on the product. But if using PVDC, the period for protection can really reach at least 2 years. PE has good heat seal ability, PVC/PVDC/PE coated film has combined their respective merit to form a new special ideal packaging material.

mostrado 4927 veces

Officinal PVC/PE/PVDC coated film, in practical application process, PVDC has a good obstruct ability, but also has a large brittleness. Some foreign companies add PE between PVC and PVDC, the brittleness of PVDC have solved and the intermediate PE will have a great benefit in total toughness in packaging.
PVDC material itself is the latex character, has quite big brittleness after the solidification. In the coating process and post-processing, the pivotal technical is to reduce its brittleness, make it normally used in the room temperature environment. Before, the technical ability is too poor to do so. That is one of the technical difficulties of PVDC compound material.
On the basis of oversea craft brother's experience, our technician first produces successfully in China. It mainly takes PVC film as the basal material, then coated PVDC(import from BASF in Germany). During the production processing, the temperature, coated quantity and times and other important considerations are checked strictly to make the final product meet the foreign products quality standards. The obstruct ability is 5 times higher than the common PVC. Meantime it has a certain rigidity, flexible and can be widely used in packaging various solid medicine, especially for easy humidity absorb medicine.



Remarks:
According to the investigation, presently 80% medicine using such packaging materials, but the PVC film that widespread used in China could infiltrate the gas and liquor 6 months later in the room temperature condition. It has a great impact on the product. But if using PVDC, the period for protection to medicine can really reach at least 2 years.

mostrado 5342 veces