Technology for preparing high-separation, low solvent residue and low resolving-out matter PVC/PE/PVCD solid medicinal composite hard sheet

A technology with low solvent residue and high barrier properties, which is applied in lamination auxiliary operations, synthetic resin layered products, lamination, etc., can solve the problem of failure or deterioration of food and medicine, products that cannot meet high requirements, and poor barrier properties of materials. Strong and other problems, to achieve the effect of not easy to be eroded by solvent, easy to operate, and low bonding strength

Inactive Publication Date: 2007-08-29
徐小圣
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Problems solved by technology

[0002] At present, with the country's increasing emphasis on drug safety, food hygiene and people's concern for their own health, food and medicine are very sensitive to moisture, moisture, and light transmission. Once the barrier properties of the material are not strong, it often leads to the failure of food and medicine. Or deterioration, eating spoiled food and invalid medicines will have serious consequences, now generally use PVC solid medical hard sheet, but can not meet the requirements of higher products

Method used

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  • Technology for preparing high-separation, low solvent residue and low resolving-out matter PVC/PE/PVCD solid medicinal composite hard sheet

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Embodiment Construction

[0008] specific implementation plan

[0009] In Fig. 1, the present invention is a kind of manufacturing process of PVC / PE / PVCD solid pharmaceutical composite hard sheet with high barrier property, low solvent residue, low extractables, it comprises the following steps: Step 1, carry out the release of PVC base material Roll, PVC substrate includes 50Kg of PVC resin powder, 0.7-1Kg of di-n-mercaptan octyl tin, 0.15-0.2Kg of internal slip agent, 0.2-0.3Kg of external slip agent, 0.06Kg of hard Calcium fatty acid, 0.04Kg zinc stearate, 0.03Kg stearic calcium, 0.6-0.8Kg ACR resin as processing aid, 2-3Kg MBC resin as impact modifier, 1-2Kg vinyl chloride - Vinyl acetate resin and 6g color masterbatch are extruded at a high temperature of 200°C, calendered, and cooled into sheets: Step 2, corona treatment is performed on the surface of the PVC base material with a corona machine; Step 3, coating on the surface of the PVC base material Cover with adhesive, the adhesive is water-so...

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Abstract

The invention discloses PVC/PE/PVCD solid medicine using composite hard sheet manufacturing technology. It includes the following steps: unreeling for PVC basis material; corona treatment for its surface; coating adhesive; drying; unreeling for PE film; compositing the PVE basis material and PE film; solidifying; dying; corona treatment for the PE film surface; coating adhesive; coating PVCD glue; drying to form PVCD film; repeating coating the PVCD glue on the PE film; drying; rolling, solidifying to form PVCD film again; patting cut and detecting.

Description

technical field [0001] The invention relates to a manufacturing process of PVC / PE / PVCD solid pharmaceutical composite hard sheet with high barrier property, low solvent residue and low extractable matter. Background technique [0002] At present, with the country's increasing emphasis on drug safety, food hygiene and people's concern for their own health, food and medicine are very sensitive to moisture, moisture, and light transmission. Once the barrier properties of the material are not strong, it often leads to the failure of food and medicine. Or deterioration, eating spoiled food and invalid medicines will have serious consequences, now generally use PVC solid medical hard sheet, but can not meet the higher requirements of the product. Contents of the invention [0003] The invention provides a manufacturing process of PVC / PE / PVCD solid pharmaceutical composite hard sheet with high barrier property, low solvent residue and low extractables, which can produce high barr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B37/02B32B37/12B32B38/18B32B38/16B32B27/18H01T19/00B29C59/10B29C69/02B29K309/00
Inventor 徐小圣
Owner 徐小圣
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