CN102825876B - Composite base material used for packaging bubble cap, production method and application - Google Patents
Composite base material used for packaging bubble cap, production method and application Download PDFInfo
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- CN102825876B CN102825876B CN201210318003.0A CN201210318003A CN102825876B CN 102825876 B CN102825876 B CN 102825876B CN 201210318003 A CN201210318003 A CN 201210318003A CN 102825876 B CN102825876 B CN 102825876B
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Abstract
The invention discloses a composite base material used for packaging a bubble cap, a production method and an application. The technical scheme of the invention is characterized in that a thermoplastic polymer material is subjected to the processes of extruding, casting, cooling and sizing to process to obtain a co-extrusion sheet material, the co-extrusion sheet material is composed of modified polypropylene, a bonding layer, a copolymer layer of ethylene and vinyl alcohol, the bonding layer, an annular polyolefin layer and the modified polypropylene from outer part to inner part. The invention also discloses the method for producing the composite base material used for packaging the bubble cap and the application. The composite base material used for packaging the bubble cap has advantages of various materials, has high transparency, high barrier property and high elasticity modulus, no harmful substance is generated during the processing, using, recovering and burning processes, and the composite base material provided in the invention belongs to the novel environmentally-friendly package base material for the bubble cap.
Description
Technical field
The present invention relates to blister package field, particularly a kind of composite base material for blister package and production method and purposes.
Background technology
The blister package of medicine claims again blister (Press Through Packaging, PTP), first by after hard transparent plastic film plastics sucking moulding, the solid medicines such as tablet, pill, capsule are filled in groove, be bonded together with the aluminium foil heating that scribbles adhesive again, form and independently pack.Medicine blister package has advantages of very large: first the medicine packaging of dose is provided to patient, and not only convenient but also economical; Secondly the performance of blister package protection medicine is good, and production efficiency is high, and cost is low, and the space that storage occupies is little, lightweight, convenient transportation; Be exactly that security is good again, owing to can being printed on explanatory note in blister package, a medicine person and pill taker all can avoid the generation of wrong medicine phenomenon.
Medicine blister package is in the market mainly polyvinyl chloride base material, polyvinyl chloride base material is to add certain processing aid by Corvic, method by extruding, calendering processing is produced the product that meets medicinal requirements, it is as the base material of blister package, can every tablet of independent separate, pill or capsule, make it to become minimum medicine packaging unit.But, the medicine of polyvinyl chloride base material packaging, it intercepts steam, oxygen and ultraviolet light poor-performing, in the medicine packaging of extraordinary demand, as being very restricted in the packaging applications of tcm product powder, pill, granule.
But in long-term use procedure, people have recognized the negative effect that the living environment of PVC to the mankind and organism bring gradually.First, large, the side chain α chlorine atomic heat poor stability of cohesive energy between the strand of PVC, add and easily discharge poisonous vinyl chloride gas man-hour, must add plasticizer and heat stabilizer, to meet processing technology and to suppress self-catalysis degradation reaction, when this will finally cause using, plasticizer and heat stabilizer are separated out, and pollute packing material, harm pill taker health; Meanwhile, in burning PVC product process, there is hydrochloric acid dioxin to produce and decompose to produce hydrogen chloride gas, also seriously polluted the environment that the mankind survive.
Due to medicine blister package desired transparent, hinder oxygen, special protection package requirements that block water steam and resistance high energy ultraviolet ray see through; the coextrusion casting of multilayer difference in functionality material do not have a kind of barrier resin to satisfy the demands, by can be obtained to the desirable composite base material for blister package simultaneously.
Summary of the invention
The technical problem that the present invention solves has been to provide the composite base material for blister package of a kind of environmental protection high-barrier, high elastic modulus.
Another technical problem that the present invention solves be to provide a kind of simple to operate, be easy to control, the production method of the eco-friendly composite base material for blister package.
The technical problem that the present invention also solves has been to provide the application of the composite base material for blister package of the present invention at article such as medicine, food or health products.
Technical scheme of the present invention is: a kind of composite base material for blister package, it is characterized in that: the described composite base material for blister package be by thermoplastic polymeric material by extruding, the coextrusion sheet of the method machine-shaping of curtain coating, cooling and shaping, the composition structure of this coextrusion sheet is followed successively by from outside to inside: the copolymer layer of modified polypropene layer, adhesive layer, ethene and vinyl alcohol, adhesive layer, cyclic polyolefin layer, modified polypropene layer.Composite base material for blister package of the present invention, it is characterized in that: between the modified polypropene layer of the described composite base material for blister package and adhesive layer, add one deck cyclic polyolefin layer, its composition structure is followed successively by from outside to inside: the copolymer layer of modified polypropene layer, cyclic polyolefin layer, adhesive layer, ethene and vinyl alcohol, adhesive layer, cyclic polyolefin layer, modified polypropene layer.Thermoplastic polymeric material of the present invention is respectively the copolymer of modified polypropene, cyclic polyolefin, adhesive, ethene and vinyl alcohol.Modified polypropene layer of the present invention, because modified polypropene has narrow molecular weight distribution and side chain regularity, water-resisting ability effectively improves, and can realize the obstruct to steam in environment.The copolymer layer of cyclic polyolefin layer of the present invention and ethene and vinyl alcohol, it can realize the effective obstruct to oxygen, avoids the oxidation deterioration of medicine.In modified polypropene of the present invention, be added with ultra-violet stabilizer, can effectively absorb ultraviolet high-energy ray, prevent the catabolism that some contains unsaturation medicine.
A kind of method of producing the composite base material for blister package of the present invention, it is characterized in that step is as follows: the copolymer of (1), modified polypropene and ethene and vinyl alcohol is respectively with the preparation of the mixed and modified material of ultra-violet stabilizer, adopt double screw extruder granulating production equipment, each section of temperature of mixing section is 160 DEG C, 180 DEG C, 200 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, head temperature is 220 DEG C, the granulation after traction, water-cooled of each mixed and modified material, (2), the coextrusion casting of composite sheet, be followed successively by from outside to inside modified polypropene layer according to coextrusion sheet composition structure, adhesive layer, the copolymer layer of ethene and vinyl alcohol, adhesive layer, cyclic polyolefin layer, the composition of modified polypropene layer adds raw material in extrusion equipment respectively, modified polypropene with the mixed and modified material of ultra-violet stabilizer to extrude each section of temperature of melt zone be 160 DEG C, 180 DEG C, 200 DEG C, 220 DEG C, it is 80 DEG C that adhesive is extruded each section of temperature of melt zone, 120 DEG C, 180 DEG C, 200 DEG C, the copolymer of ethene and vinyl alcohol with the mixed and modified material of ultra-violet stabilizer to extrude each section of temperature of melt zone be 160 DEG C, 180 DEG C, 200 DEG C, 220 DEG C, it is 200 DEG C that cyclic polyolefin is extruded each section of temperature of melt zone, 220 DEG C, 230 DEG C, 230 DEG C, 230 DEG C of head temperatures, coextrusion sheet prolongs after sizing through two roll-ins, cooling rolling, (3), the bubble-cap moulding of coextrusion sheet, adopt blister packaging machine, produce light radiation and high-temperature heating blister package base material to softening point by far infra-red heater, more compressed air makes it softening blister package base material blow pressure or vacuum forming be close to the moulding of mould wall and obtains the blister package base material of copolymer layer that composition structure is followed successively by modified polypropene layer, adhesive layer, ethene and vinyl alcohol from outside to inside, adhesive layer, cyclic polyolefin layer, modified polypropene layer.
A kind of method of producing the composite base material for blister package of the present invention, it is characterized in that step is as follows: the copolymer of (1), modified polypropene and ethene and vinyl alcohol is respectively with the preparation of the mixed and modified material of ultra-violet stabilizer, adopt double screw extruder granulating production equipment, each section of temperature of mixing section is 160 DEG C, 180 DEG C, 200 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, head temperature is 220 DEG C, the granulation after traction, water-cooled of each mixed and modified material, (2), the coextrusion casting of composite sheet, be followed successively by from outside to inside modified polypropene layer according to coextrusion sheet composition structure, cyclic polyolefin layer, adhesive layer, the copolymer layer of ethene and vinyl alcohol, adhesive layer, cyclic polyolefin layer, the composition of modified polypropene layer adds raw material in extrusion equipment respectively, modified polypropene with the mixed and modified material of ultra-violet stabilizer to extrude each section of temperature of melt zone be 160 DEG C, 180 DEG C, 200 DEG C, 220 DEG C, it is 80 DEG C that adhesive is extruded each section of temperature of melt zone, 120 DEG C, 180 DEG C, 200 DEG C, the copolymer of ethene and vinyl alcohol with the mixed and modified material of ultra-violet stabilizer to extrude each section of temperature of melt zone be 160 DEG C, 180 DEG C, 200 DEG C, 220 DEG C, it is 200 DEG C that cyclic polyolefin is extruded each section of temperature of melt zone, 220 DEG C, 230 DEG C, 230 DEG C, 230 DEG C of head temperatures, coextrusion sheet prolongs after sizing through two roll-ins, cooling rolling, (3), the bubble-cap moulding of coextrusion sheet, adopt blister packaging machine, produce light radiation and high-temperature heating blister package base material to softening point by far infra-red heater, more compressed air makes it softening blister package base material blow pressure vacuum forming be close to the moulding of mould wall and obtains the blister package base material of copolymer layer that composition structure is followed successively by modified polypropene layer, cyclic polyolefin layer, adhesive layer, ethene and vinyl alcohol from outside to inside, adhesive layer, cyclic polyolefin layer, modified polypropene layer.
The application that composite base material for blister package of the present invention packs at medicine, food or health products, its concrete steps are first medicine, food or health products to be filled in the groove of the composite base material for blister package after plastics sucking moulding, be bonded together with the aluminium foil heating that scribbles adhesive again, form and independently pack.The formulation of described medicine, food or health products can be tablet, pill, powder, pulvis, granula subtilis, lozenge or capsule.
Composite base material for blister package of the present invention be by several thermoplastic polymeric materials by extruding, the novel coextrusion sheet of the method machine-shaping of curtain coating, cooling and shaping, this new composite has possessed the advantage of multiple material, the existing higher transparency, there is again high barrier, high elastic modulus, in processing and use recovery or burning process, all do not produce harmful substance, belong to the environmentally friendly novel composite base material for blister package, be applicable to being applied to the upgrading of medical blister package.
Brief description of the drawings
Fig. 1 is the structural representation for the composite base material of blister package in embodiment 1;
Fig. 2 is the structural representation for the composite base material of blister package in embodiment 2.
Drawing explanation: 1, modified polypropene layer, 2, cyclic polyolefin layer, 3, adhesive layer, 4, the copolymer layer of ethene and vinyl alcohol.
Detailed description of the invention
Composite base material for blister package of the present invention and production method thereof will further describe by following examples.
Embodiment 1
Describe by reference to the accompanying drawings embodiment in detail.For the composite base material of blister package, be by the copolymer of thermoplastic polymeric material's modified polypropene, cyclic polyolefin, adhesive and ethene and vinyl alcohol by extruding, the coextrusion sheet of the method machine-shaping of curtain coating, cooling and shaping, the composition structure of this coextrusion sheet is followed successively by from outside to inside: the copolymer layer 3 of modified polypropene layer 1, adhesive layer 2, ethene and vinyl alcohol, adhesive layer 2, cyclic polyolefin layer 4, modified polypropene layer 1.Modified polypropene layer 1 is as steam barrier layer, because modified polypropene has narrow molecular weight distribution and side chain regularity, water-resisting ability effectively improves, can effectively realize the obstruct to steam in environment, the copolymer layer 3 of cyclic polyolefin layer 4 and ethene and vinyl alcohol, it can realize the effective obstruct to oxygen, avoid the oxidation deterioration of medicine, in modified polypropene, be added with ultra-violet stabilizer, can effectively absorb ultraviolet high-energy ray, prevent the catabolism that some contains unsaturation medicine.
Production method for the composite base material of blister package completes by following steps: the copolymer of (1), modified polypropene and ethene and vinyl alcohol is respectively with the preparation of the mixed and modified material of ultra-violet stabilizer, adopt double screw extruder granulating production equipment, each section of temperature of mixing section is 160 DEG C, 180 DEG C, 200 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, head temperature is 220 DEG C, the granulation after traction, water-cooled of each mixed and modified material, (2), the coextrusion casting of composite sheet, be followed successively by from outside to inside modified polypropene layer 1 according to coextrusion sheet composition structure, adhesive layer 2, the copolymer layer 3 of ethene and vinyl alcohol, adhesive layer 2, cyclic polyolefin layer 4, the composition of modified polypropene layer 1 adds raw material in extrusion equipment respectively, modified polypropene with the mixed and modified material of ultra-violet stabilizer to extrude each section of temperature of melt zone be 160 DEG C, 180 DEG C, 200 DEG C, 220 DEG C, it is 80 DEG C that adhesive is extruded each section of temperature of melt zone, 120 DEG C, 180 DEG C, 200 DEG C, the copolymer of ethene and vinyl alcohol with the mixed and modified material of ultra-violet stabilizer to extrude each section of temperature of melt zone be 160 DEG C, 180 DEG C, 200 DEG C, 220 DEG C, it is 200 DEG C that cyclic polyolefin is extruded each section of temperature of melt zone, 220 DEG C, 230 DEG C, 230 DEG C, 230 DEG C of head temperatures, coextrusion sheet prolongs after sizing through two roll-ins, cooling rolling, (3), the bubble-cap moulding of coextrusion sheet, adopt blister packaging machine, produce light radiation and high-temperature heating blister package base material to softening point by far infra-red heater, more compressed air makes it softening blister package base material blow pressure or vacuum forming be close to the moulding of mould wall and obtains the blister package base material 1 of copolymer layer 3 that composition structure is followed successively by modified polypropene layer 1, adhesive layer 2, ethene and vinyl alcohol from outside to inside, adhesive layer 2, cyclic polyolefin layer 4, modified polypropene layer.
Embodiment 2
Describe by reference to the accompanying drawings embodiment in detail.For the composite base material of blister package, be by the copolymer of thermoplastic polymeric material's modified polypropene, cyclic polyolefin, adhesive and ethene and vinyl alcohol by extruding, the coextrusion sheet of the method machine-shaping of curtain coating, cooling and shaping, mold pressing, the composition structure of this coextrusion sheet is followed successively by from outside to inside: the copolymer layer 3 of modified polypropene layer 1, cyclic polyolefin layer 4, adhesive layer 2, ethene and vinyl alcohol, adhesive layer 2, cyclic polyolefin layer 4, modified polypropene layer 1.Modified polypropene layer 1 is as steam barrier layer, because modified polypropene has narrow molecular weight distribution and side chain regularity, water-resisting ability effectively improves, can effectively realize the obstruct to steam in environment, the copolymer layer 3 of cyclic polyolefin layer 4 and ethene and vinyl alcohol, it can realize the effective obstruct to oxygen, avoid being added with ultra-violet stabilizer in the oxidation deterioration modified polypropene of medicine, can effectively absorb ultraviolet high-energy ray, prevent the catabolism that some contains unsaturation medicine.
Production method for the composite base material of blister package completes by following steps: the copolymer of (1), modified polypropene and ethene and vinyl alcohol is respectively with the preparation of the mixed and modified material of ultra-violet stabilizer, adopt double screw extruder granulating production equipment, each section of temperature of mixing section is 160 DEG C, 180 DEG C, 200 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, head temperature is 220 DEG C, the granulation after traction, water-cooled of each mixed and modified material, (2), the coextrusion casting of composite sheet, be followed successively by from outside to inside modified polypropene layer 1 according to coextrusion sheet composition structure, cyclic polyolefin layer 4, adhesive layer 2, the copolymer layer 3 of ethene and vinyl alcohol, adhesive layer 2, cyclic polyolefin layer 4, the composition of modified polypropene layer 1 adds raw material in extrusion equipment respectively, modified polypropene with the mixed and modified material of ultra-violet stabilizer to extrude each section of temperature of melt zone be 160 DEG C, 180 DEG C, 200 DEG C, 220 DEG C, it is 80 DEG C that adhesive is extruded each section of temperature of melt zone, 120 DEG C, 180 DEG C, 200 DEG C, the copolymer of ethene and vinyl alcohol with the mixed and modified material of ultra-violet stabilizer to extrude each section of temperature of melt zone be 160 DEG C, 180 DEG C, 200 DEG C, 220 DEG C, it is 200 DEG C that cyclic polyolefin is extruded each section of temperature of melt zone, 220 DEG C, 230 DEG C, 230 DEG C, 230 DEG C of head temperatures, coextrusion sheet prolongs after sizing through two roll-ins, cooling rolling, (3), the bubble-cap moulding of coextrusion sheet, adopt blister packaging machine, produce light radiation and high-temperature heating blister package base material to softening point by far infra-red heater, more compressed air makes it softening blister package base material blow pressure or vacuum forming be close to the moulding of mould wall and obtains the blister package base material 1 of copolymer layer 3 that composition structure is followed successively by modified polypropene layer 1, cyclic polyolefin layer 4, adhesive layer 2, ethene and vinyl alcohol from outside to inside, adhesive layer 2, cyclic polyolefin layer 4, modified polypropene layer.
That the composite base material for blister package that embodiment 1 ~ 2 produces can meet is simultaneously transparent, blocking oxygen, obstruct steam and intercept the encapsulation requirement of the special protection that high energy ultraviolet ray sees through; it is a kind of desirable composite base material for blister package; table 1 is the performance comparison data of the composite base material for blister package of the present invention and polyvinyl chloride blister pack substrate; experimental condition is: 38 ° of C, humidity: 90%RH.
Table 1 blister pack substrate of the present invention and polyvinyl chloride blister pack substrate performance comparison data
| Material | Thickness (mm) | Steam penetrating capacity (g/cm 2·24h） | Oxygen transit dose (cm 3/m 2·24h·0.1MPa） | VCM (μ g/g) | Light transmittance (%) |
| Polyvinyl chloride | 0.3 | 1.8 | 30 | 1 | 85 |
| The present invention | 0.3 | 0.06 | ≤1.6 | Nothing | 91 |
| Polyvinyl chloride | 0.25 | 2.3 | 30 | 1 | 85 |
| The present invention | 0.25 | 0.07 | ≤1.9 | Nothing | 92 |
The composite base material for blister package that embodiment 1 ~ 2 produces is in the application of tablet medicament, first tablet medicament is filled in the groove of the composite base material for blister package of embodiment 1 ~ 2, be bonded together with the aluminium foil heating that scribbles adhesive again, can form independently and pack.
Above embodiment has described general principle of the present invention, principal character and advantage.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present invention; utilize above-mentioned disclosed thermoplastic polymeric material; be used for the order of the each component of composite base material of blister package by change; or form the blister package material of different structure by increasing or reduce component; within all dropping on protection scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the scope of protection of the invention.
Claims (2)
1. the production method for the composite base material of blister package, it is characterized in that step is as follows: the copolymer of (1), modified polypropene and ethene and vinyl alcohol is respectively with the preparation of the mixed and modified material of ultra-violet stabilizer, adopt double screw extruder granulating production equipment, each section of temperature of mixing section is 160 DEG C, 180 DEG C, 200 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, head temperature is 220 DEG C, the granulation after traction, water-cooled of each mixed and modified material, (2), the coextrusion casting of composite sheet, be followed successively by from outside to inside modified polypropene layer according to coextrusion sheet composition structure, adhesive layer, the copolymer layer of ethene and vinyl alcohol, adhesive layer, cyclic polyolefin layer, the composition of modified polypropene layer adds raw material in extrusion equipment respectively, modified polypropene with the mixed and modified material of ultra-violet stabilizer to extrude each section of temperature of melt zone be 160 DEG C, 180 DEG C, 200 DEG C, 220 DEG C, it is 80 DEG C that adhesive is extruded each section of temperature of melt zone, 120 DEG C, 180 DEG C, 200 DEG C, the copolymer of ethene and vinyl alcohol with the mixed and modified material of ultra-violet stabilizer to extrude each section of temperature of melt zone be 160 DEG C, 180 DEG C, 200 DEG C, 220 DEG C, it is 200 DEG C that cyclic polyolefin is extruded each section of temperature of melt zone, 220 DEG C, 230 DEG C, 230 DEG C, 230 DEG C of head temperatures, coextrusion sheet prolongs after sizing through two roll-ins, cooling rolling, (3), the bubble-cap moulding of coextrusion sheet, adopt blister packaging machine, produce light radiation and high-temperature heating blister package base material to softening point by far infra-red heater, more compressed air makes it softening blister package base material blow pressure be close to the moulding of mould wall and obtains the blister package base material of copolymer layer that composition structure is followed successively by modified polypropene layer, adhesive layer, ethene and vinyl alcohol from outside to inside, adhesive layer, cyclic polyolefin layer, modified polypropene layer to mould.
2. the production method for the composite base material of blister package, it is characterized in that step is as follows: the copolymer of (1), modified polypropene and ethene and vinyl alcohol is respectively with the preparation of the mixed and modified material of ultra-violet stabilizer, adopt double screw extruder granulating production equipment, each section of temperature of mixing section is 160 DEG C, 180 DEG C, 200 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, 210 DEG C, head temperature is 220 DEG C, the granulation after traction, water-cooled of each mixed and modified material, (2), the coextrusion casting of composite sheet, be followed successively by from outside to inside modified polypropene layer according to coextrusion sheet composition structure, cyclic polyolefin layer, adhesive layer, the copolymer layer of ethene and vinyl alcohol, adhesive layer, cyclic polyolefin layer, the composition of modified polypropene layer adds raw material in extrusion equipment respectively, modified polypropene with the mixed and modified material of ultra-violet stabilizer to extrude each section of temperature of melt zone be 160 DEG C, 180 DEG C, 200 DEG C, 220 DEG C, it is 80 DEG C that adhesive is extruded each section of temperature of melt zone, 120 DEG C, 180 DEG C, 200 DEG C, the copolymer of ethene and vinyl alcohol with the mixed and modified material of ultra-violet stabilizer to extrude each section of temperature of melt zone be 160 DEG C, 180 DEG C, 200 DEG C, 220 DEG C, it is 200 DEG C that cyclic polyolefin is extruded each section of temperature of melt zone, 220 DEG C, 230 DEG C, 230 DEG C, 230 DEG C of head temperatures, coextrusion sheet prolongs after sizing through two roll-ins, cooling rolling, (3), the bubble-cap moulding of coextrusion sheet, adopt blister packaging machine, produce light radiation and high-temperature heating blister package base material to softening point by far infra-red heater, more compressed air makes it softening blister package base material blow pressure be close to the moulding of mould wall and obtains the blister package base material of copolymer layer that composition structure is followed successively by modified polypropene layer, cyclic polyolefin layer, adhesive layer, ethene and vinyl alcohol from outside to inside, adhesive layer, cyclic polyolefin layer, modified polypropene layer to mould.
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| CN201210318003.0A CN102825876B (en) | 2012-08-31 | 2012-08-31 | Composite base material used for packaging bubble cap, production method and application |
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| CN102825876B true CN102825876B (en) | 2014-08-13 |
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| ITMI20132048A1 (en) * | 2013-12-09 | 2015-06-10 | Torninova S R L | PLANT WITH EXTRUDER BIVITE FOR THE CONTINUOUS PRODUCTION OF PLASTIC FILM ROLLS WITH AIR BUBBLES |
| CN108313512A (en) * | 2018-02-05 | 2018-07-24 | 安徽锦海医药科技有限责任公司 | A kind of flexibility blister package, edible product blister package assembly and its production method |
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