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Novel medicinal plastic bottle material and preparation method thereof

A plastic bottle, a new type of technology, applied in the field of special materials for the new type of medicinal plastic bottle body and its preparation, can solve the problems of increasing production costs, increasing the probability of pollution, etc., to reduce the cost of raw materials, facilitate market promotion, and reduce the amount of residue indicators Effect

Inactive Publication Date: 2014-12-03
SHANGYU ZHONGXIAN BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This new type of plastic container made from special polymers called Plastin® solves problems such as poor bondability between different layers when they come into contact during production processes like injection moldings. It's more durable than regular PET containers while still being able to hold liquids safely without leaving any harmful substances on it.

Problems solved by technology

This patents describes how important factors affect the quality of plasty containers like medical pouches during their manufacturing process. These include surface characteristics, mechanical stability, weldability, adhesion, moistening property, thermal conductivity, barrier function, moistering behavior, coating compatibility, and other technical features related to these qualities. Additionally, there may exist issues associated with improving the surface activity of plasterware surfaces due to environmental concerns over disposable products containing harmful substances.

Method used

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  • Novel medicinal plastic bottle material and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0024] The preparation method of novel medicinal plastic bottle material of the present invention comprises the steps:

[0025] (1) At an ambient temperature of 20±5°C, weigh 25Kg of high-density polyethylene, 0.125Kg of titanium dioxide, 1Kg of modified nano-magnesium hydroxide and 0.075Kg of zinc stearate, and mix the above raw materials evenly;

[0026] (2) Put the mixture obtained in step (1) into the automatic injection blow molding machine through the feeding machine. After preheating, the raw material is melted in the barrel screw of the injection part, and then passed through the hot runner with high pressure. Inject into the mold cavity to become a parison; at the same time, use high-temperature heat transfer oil to adjust the temperature of the mold; the feeding section of the barrel is 140°C, the middle section of the barrel is 180°C, the front section of the barrel is 195°C, and the hot runner is 210°C; cycle The temperature distribution of the parison controlled b...

Embodiment 2

[0028] The preparation method of novel medicinal plastic bottle material of the present invention comprises the steps:

[0029] (1) At an ambient temperature of 20±5°C, weigh 25Kg of high-density polyethylene, 0.125Kg of titanium dioxide, 0.125Kg of modified nano-magnesium hydroxide and 0.075Kg of zinc stearate, and mix the above raw materials evenly;

[0030] (2) Put the mixture obtained in step (1) into the automatic injection blow molding machine through the feeding machine. After preheating, the raw material is melted in the barrel screw of the injection part, and then passed through the hot runner with high pressure. Inject into the mold cavity to become a parison; at the same time, use high-temperature heat-conducting oil to adjust the temperature of the mold; the feeding section of the barrel is 180°C, the middle section of the barrel is 195°C, the front section of the barrel is 210°C, and the hot runner is 240°C; cycle The temperature distribution of the parison contro...

Embodiment 3

[0032] The preparation method of novel medicinal plastic bottle material of the present invention comprises the steps:

[0033] (1) At an ambient temperature of 20±5°C, weigh 25Kg of high-density polyethylene, 0.125Kg of titanium dioxide, 0.5Kg of modified nano-magnesium hydroxide and 0.075Kg of zinc stearate, and mix the above raw materials evenly;

[0034] (2) Put the mixture obtained in step (1) into the automatic injection blow molding machine through the feeding machine. After preheating, the raw material is melted in the barrel screw of the injection part, and then passed through the hot runner with high pressure. Inject into the mold cavity to become a parison; at the same time, use high-temperature heat-conducting oil to adjust the temperature of the mold; the feeding section of the barrel is 160°C, the middle section of the barrel is 187.5°C, the front section of the barrel is 202.5°C, and the hot runner is 225°C; cycle The temperature distribution of the parison cont...

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Abstract

The invention relates to a novel medicinal plastic bottle material and a preparation method thereof. The material comprises the following components of high density polyethylene, titanium dioxide, modified nanometer magnesium hydroxide and zinc stearate in the weight part ratio of 100: (0.5-1): (0.5-10): (0.3-1) at the environment temperature of 15-25 DEG C. The material disclosed by the invention has the beneficial effects that the material has excellent performances; the plastic surface energy is increased; bottle body decorating, printing, spraying or labelling and the like are benefited; the material can accord with service conditions of medicines and is used for holding the medicines, foods and the like. The preparation method is simple in process, can be used for producing high density polyethylene bottle bodies and has the advantages that on the premise that good adhesive property of the bottle bodies is guaranteed, the adding amount of the modified nanometer magnesium hydroxide and various auxiliaries is reduced, so that the raw material cost can be reduced, the residue index amount is reduced and the material accords with the medicinal grade; good effects are obtained in the aspects of appearance and product performances; and the raw materials are easy to buy and market promotion is benefitted.

Description

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Claims

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Application Information

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Owner SHANGYU ZHONGXIAN BIOTECH
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