Preparation method of intelligent high-barrier cold-formed laminate
A lamination material, high barrier technology, applied in chemical instruments and methods, lamination, lamination devices, etc., can solve the problems of difficult to detect drugs, cold-formed aluminum has not been localized, and reduce the shelf life of packaging materials. The effect of good penetration speed
Active Publication Date: 2017-07-28
JIANGYIN BAOBO PACKING
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Problems solved by technology
[0002] At present, ordinary cold-formed aluminum has been widely used in domestic and international medicines and health care products. Especially in recent years, domestic research and development for this market has replaced imported cold-formed aluminum to a certain extent. Formed aluminum has never been localized
In the ordinary cold-forming aluminum packaging process, water vapor, light, odor, etc. cannot enter the package through the aluminum foil on the front side, but since the ordinary cold-forming composite film uses PVC as the heat-sealing base material, water vapor can penetrate to a certain extent PVC gradually enters the packaging, which poses a challenge to the humidity of the packaging that needs to be strictly controlled, greatly reducing the shelf life of the packaging, and it is often difficult to detect when the drug absorbs water and expires
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Embodiment 1
[0031] An intelligent high-barrier cold-forming laminated material, its structure is: NY25 / AL45 / PE60, wherein PE60 contains nano-scale calcium oxide particles, nano-diatomite and acid-base indicator.
[0032] A method for preparing an intelligent high-barrier cold-formed laminate. The outer layer is supported by high-strength biaxially stretched nylon. After bonding the aluminum foil layer with high-strength composite glue, the other side of the aluminum foil is surface-treated, and then A heat-sealing layer containing inorganic particle functional fillers (water-absorbing agent + acid-base indicator) is coated on the aluminum foil by extrusion coating.
[0033] Specifically include the following steps:
[0034] 1. High-strength Xiamen Changsu NY 25μm corona and high-elongation Lufeng 8021 aluminum foil 45μm are combined by dry compounding method, and corona treatment is performed on the aluminum foil before compounding and gluing. The power is 3-6KW;
[0035] 2. The compoun...
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Abstract
The invention relates to an intelligent high-barrier property cold forming laminating material and a preparation method for the same. The material comprises outer-layer biaxially oriented nylon, a middle aluminum foil and an inner heat sealing layer, wherein the heat sealing layer contains an inorganic particulate functional filler which is a mixture of a water absorbent and an acid-base indicator. According to the material and the preparation method, humidity in a packaging bubble cap can be reflected by corresponding color changes.
Description
technical field [0001] The invention relates to an intelligent high-barrier cold-forming laminated material and a preparation method thereof. The design and processing technology of cold-formable laminated materials for blister packaging, aluminum foil raw materials can be used to manufacture packaging that needs to avoid ultraviolet light, water vapor, oxygen, odor and other barriers, so that the inner packaging is protected from external influences. Background technique [0002] At present, ordinary cold-formed aluminum has been widely used in domestic and international medicines and health care products. Especially in recent years, domestic research and development for this market has replaced imported cold-formed aluminum to a certain extent. Formed aluminum has never been localized. In the ordinary cold-forming aluminum packaging process, water vapor, light, odor, etc. cannot enter the package through the aluminum foil on the front side, but since the ordinary cold-for...
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IPC IPC(8): B65D65/38B65D65/40B32B33/00B32B37/00
Inventor 符坚胡敬慈玄泽亮黄湘辉李全布陆锦霞
Owner JIANGYIN BAOBO PACKING