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Composite material for medicinal tray and preparation method thereof

A composite material and tray technology, applied in the field of composite materials for medicinal trays and their preparation, can solve problems such as composite materials for medicinal trays that have not yet been seen, and achieve good mechanical properties, high reaction yield, and easily available raw materials. Effect

Inactive Publication Date: 2013-09-25
河南惠强新能源材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there have been no relevant reports on composite materials for medicinal trays.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] (1) Preparation of modified starch: Add one or more mixtures of corn starch, potato starch or tapioca starch, together with propylene oxide, sodium carbonate, sorbitol and calcium sulfate, into a high-speed mixer at 120-130°C Stir for 15 to 20 minutes, then discharge the material and cool it for later use. The water in the system is discharged through the opening of the upper cover of the high-speed mixer.

[0033] The mass fraction of each of the above raw materials is 87% starch (starch here refers to one or more mixtures of cornstarch, potato starch or tapioca starch, the following examples have the same meaning and will not be repeated), and the Main base material; 2% propylene oxide, modifier in the system; 2% sodium carbonate, modifier in the system; 1% sorbitol, plasticizer in the system, to improve the plasticity of starch; 8 % calcium sulfate, filling enhancer and water absorbing agent in the system.

[0034] (2) 25kg of modified starch prepared in step (1), 1...

Embodiment 2

[0038] (1) Preparation of modified starch: Add one or more mixtures of corn starch, potato starch or tapioca starch, together with propylene oxide, sodium carbonate, sorbitol and calcium sulfate, into a high-speed mixer at 120-130°C Stir for 15 to 20 minutes, then discharge the material and cool it for later use. The water in the system is discharged through the opening of the upper cover of the high-speed mixer.

[0039] The parts by mass of the above-mentioned raw materials are: 85% starch, the main base material in the system; 4% propylene oxide, the modifier in the system; 3% sodium carbonate, the modifier in the system; 3% Sorbitol, the plasticizer in the system, improves the plasticity of starch; 5% calcium sulfate, the filling enhancer and water-absorbing agent in the system.

[0040] (2) 20kg of modified starch prepared in step (1), 25kg of talcum powder, 45kg of polyvinyl chloride, 3kg of chlorinated polyethylene, 1.6kg of epoxy soybean oil, 1kg of silane coupling age...

Embodiment 3

[0044](1) Preparation of modified starch: Add one or more mixtures of corn starch, potato starch or tapioca starch, together with propylene oxide, sodium carbonate, sorbitol and calcium sulfate, into a high-speed mixer at 120-130°C Stir for 15 to 20 minutes, then discharge the material and cool it for later use. The water in the system is discharged through the opening of the upper cover of the high-speed mixer.

[0045] The parts by mass of the above-mentioned raw materials are: 91% starch, the main base material in the system; 2% propylene oxide, the modifier in the system; 1% sodium carbonate, the modifier in the system; 2% Sorbitol, the plasticizer in the system, improves the plasticity of starch; 4% calcium sulfate, the filling enhancer and water-absorbing agent in the system.

[0046] (2) 35kg of modified starch prepared in step (1), 10kg of talcum powder, 45kg of polyvinyl chloride, 2kg of chlorinated polyethylene, 1.7kg of epoxy soybean oil, 1kg of silane coupling agen...

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Abstract

The invention belongs to the technical field of a high polymer material, and particularly relates to a composite material for a medicinal tray and a preparation method thereof. The composite material for the medicinal tray is prepared from materials of modified starch, an inorganic filler, polyvinyl chloride, a plasticizer, a coupling agent, a stabilizer, a lubricating agent, an antioxidant and the like in a polymerization manner, wherein the modified starch is prepared from the following materials: one or a mixture of more of corn starch, potato starch and cassava starch at any ratio, epoxypropane, sodium carbonate, sorbic alcohol and calcium sulfate. According to the composite material for the medicinal tray and the preparation method thereof provided by the invention, the materials are easily obtained; the method is simple and can be finished by mixing and extruding steps; and the composite material is high in reaction yield, and suitable for industrial production. The medicinal tray prepared from the composite material provided by the invention can load pharmaceutical products to refrigerate for a long period of time, and does not generate tendering and cracking phenomena; and meanwhile, the product is easily degraded, and is a good environment-friendly product.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a composite material for a medicinal tray and a preparation method thereof. Background technique [0002] At present, the pharmaceutical industry uses trays for holding injections or oral liquids, and most of them are made of pure rigid polyvinyl chloride (PVC). The material is low in price and good in mechanical properties, and can be prepared into tray products of various shapes, which satisfies various requirements of medicinal trays. However, the thermal decomposition temperature (130°C) and softening point temperature (80-85°C) of PVC materials are relatively low, so the processing temperature range is narrow. At the same time, PVC materials will produce a lot of toxic and harmful odors during the processing and preparation of medicinal trays. In addition, PVC materials have poor biodegradability and are likely to cause serious environmental pollution....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L3/02C08L23/28C08L33/04C08K13/02C08K3/34C08K3/26C08K5/1515C08K5/09
Inventor 陈沙王红兵马兴玉
Owner 河南惠强新能源材料科技股份有限公司
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