CN103287036B - Heat-sealing stone paper - Google Patents
Heat-sealing stone paper Download PDFInfo
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- CN103287036B CN103287036B CN201310223108.2A CN201310223108A CN103287036B CN 103287036 B CN103287036 B CN 103287036B CN 201310223108 A CN201310223108 A CN 201310223108A CN 103287036 B CN103287036 B CN 103287036B
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Abstract
The invention provides a piece of heat-sealing stone paper. The heat-sealing stone paper comprises an upper layer, a middle base layer and a lower layer and is once formed in a general three-layer co-extrusion casting combination manner. The heat-sealing stone paper is characterized in that the mass ratio of the upper layer and the lower layer to the middle base layer is (1-20): (99-80); at least one of the upper layer and the lower layer is a heat-sealing layer, and the other layer is a non-heat-sealing layer; and the middle base layer is a foaming layer or a non-foaming layer. According to the heat-sealing stone paper, the processing process is simplified, the production period is shortened, the number of production personnel is reduced, the manufacturing cost is lowered, and the warehouse space is saved. The heat-sealing stone paper has the characteristics of relatively good stiffness and evenness, light specific gravity, high heat-sealing strength, wide heat-sealing range, firm surface printing property and the like and is suitable for packaging products with the heat-sealing strengths required to be lower than 8-10 N/15 mm.
Description
Technical field
The present invention relates to a kind of heat-sealing stone paper, belong to stone papermaking and plastic manufacturing technology field.
Background technology
Be widely used in the material of packaging seed, food and electronic device etc. in the market, mostly adopt the rear compound of print in BOPP film, or be composited after curtain coating one deck CPP on paper, there is following deficiency in the impact by material self: one is that frosting can be low, and printing is bad; Two is that bond properties can not meet the demands (2N/15cm); Three is in papermaking, compound, film production process, and the consumption of water, electricity, vapour is comparatively large, and processing cost is high, and causes environmental pollution in process of production; Four is after paper-plastic stick, by the impact of the factor such as complex condition, storage environment, and can occur problems such as being divided into, break, not only affect result of use, but also can bring corresponding economic loss to client; Five is after paper-plastic stick, can not effective recycling.In sum, it is large to there is the wasting of resources in existing compound package material, is unfavorable for the problems such as environmental protection.
Summary of the invention
Large for overcoming the wasting of resources that existing packaging material exist, be unfavorable for the problems such as environmental protection, the invention provides one can one-shot forming, surface printing is good, and heat sealability is good, energy recycled plastic, industrialization quantity-produced heat-sealing stone paper can be realized, and use it as new packaging material.
The present invention is realized by following technical proposal: a kind of heat-sealing stone paper, by upper strata, intermediate base layer and lower floor, formed by the one-shot forming of routine three-layer co-extruded curtain coating compound, it is characterized in that the upper and lower: the mass ratio of intermediate base layer=1 ~ 20:99 ~ 80, and in the upper and lower, have at least one deck to be hot sealing layer, all the other are non-hot sealing layer, and intermediate base layer is foaming layer or nonfoamed layer, wherein:
Hot sealing layer is one or more in EVA, EAA, mPE, HDPE, LDPE, MDPE, LLDPE, PP, and weight ratio is the anti-adhesive agent of 0 ~ 4%, and summation is 100%;
Foaming layer is made up of the component of following masses ratio: inorganic particle 60 ~ 80%, synthetic resin 15 ~ 35%, Aluminate 0.5 ~ 1%, Tissuemat E 1%, paraffin 1%, stearic acid 0.1 ~ 1%, DCP initator 0.2%, antioxidant 0.3%, AC blowing agent 0.5 ~ 1%, summation is 100%;
Nonfoamed layer and non-hot sealing layer form by the component of following masses ratio: inorganic particle 60 ~ 80%, synthetic resin 15 ~ 35%, and Aluminate 0.5 ~ 1%, Tissuemat E 1%, paraffin 1%, stearic acid 0.1 ~ 1%, antioxidant 0.3%, summation are 100%;
Wherein:
Inorganic particle is one or more in Paris white, talcum powder, diatomite, kaolin, flyash, and several mixing quality ratios is arbitrary;
Synthetic resin is the combination of a kind of in LDPE, LLDPE, HDPE, PP or any two kinds, and the combination quality ratio of two kinds is arbitrary.
Several mixing quality ratio of described hot sealing layer is arbitrary.
The anti-adhesive agent of described hot sealing layer is one or more in oleamide, erucyl amide, two fatty acid amide, and several mixing quality ratios is arbitrary; Or silica, diatomite, the filler parent granule of one or more in talcum powder.
The gross thickness of described upper strata, intermediate base layer and lower floor is 0.05 ~ 1mm.
The fineness of the inorganic particle in described foaming layer, nonfoamed layer and non-hot sealing layer is 800 ~ 1250 orders.
Described antioxidant is one or more in Hinered phenols, hindered amines, phosphorous acid esters, thio-based and complex class, and concrete kind is depending on the processability of service life of finished product, wholesomeness, matrix resin, cost and determining.
Heat-sealing stone paper provided by the invention, prepare in following conventional methods: first get the raw materials ready in said components and ratio, the material of intermediate base layer is by a main extruder, the material on upper strata is by an auxiliary extruder, the material of lower floor is by another auxiliary extruder, after carrying out melting, plasticizing respectively, be expressed in the mould of same flat T-shaped mouth, through the mould of same flat T-shaped mouth, the mode curtain coating compound one-shot forming of jointly extruding with three layers, obtain compound film sheet, through cooling, stream calendering, trimming, thickness measuring, sided corona treatment, namely obtain sealing stone paper.When producing the product of light specific gravity, after stream calendering, then through longitudinal stretching, cross directional stretch, trimming, thickness measuring, sided corona treatment.Wherein, sided corona treatment is two-sided sided corona treatment, namely carries out sided corona treatment to the upper and lower simultaneously; Or one side sided corona treatment, namely only sided corona treatment is carried out to upper strata or lower floor.
The effect that the present invention possesses and advantage: because hot sealing layer of the present invention and intermediate base layer all pass through one-shot forming, the production technology such as compound or film is eliminated in manufacturing process, thus simplify processing technology, reduce manufacturing cost, add there is no middle production link, substantially reduce the production cycle, decrease producers, and save storage area.Adopt one-shot forming, fundamentally stop the problem of compound residual solvent, and the impact of the factor such as storage environment, production process can not produce any harmful substance, can not to environment, three-waste free discharge, the stone paper after using all can reclaim and make other plastic products, not only can economize energy, but also reduce the use cost of user.With the formula of heat-sealing stone paper provided by the invention, can obtain that deflection is good, good evenness, light specific gravity, heat seal strength are high, heat-sealing wide ranges, surface printing firmly heat-sealing type stone paper, be applicable to the packing articles that heat seal strength requirement is less than 8 ~ 10N/15mm (GB/T12026), as: instant food, little daily chemical products, seed packaging etc.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the structural representation of the embodiment of the present invention 2.
In figure, 1 is hot sealing layer, and 2 is foaming layer, and 3 is hot sealing layer, and 4 is hot sealing layer, and 5 is nonfoamed layer, and 6 is non-hot sealing layer.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described further, but the content of the present invention is not limited thereto.
Embodiment 1
Heat-sealing stone paper comprises upper strata, intermediate base layer and lower floor, and described upper and lower layer is hot sealing layer, and intermediate base layer is foaming layer, and the mass ratio of upper and lower layer and intermediate base layer is 15:85, i.e. upper strata: intermediate base layer: the mass ratio of lower floor=7.5:80:7.5, wherein:
Hot sealing layer forms by the component of following masses ratio: the oleamide of the LLDPE of 8%, the PP of 90% and 2%;
Foaming layer is made up of the component of following masses ratio: fineness be 1250 object Paris whites 65%, poly-polypropylene PP 30%, Aluminate 1%, Tissuemat E 1%, paraffin 1%, stearic acid 1%, DCP initator 0.2%, antioxidant 0.3%(that is 0.2% the DSTP of 1076+0.1%), AC blowing agent 0.5%;
Prepare through following conventional methods: the material of above-mentioned intermediate base layer (i.e. foaming layer) is sent into a main extruder, an auxiliary extruder sent into by the material on upper strata (i.e. hot sealing layer), another auxiliary extruder sent into by the material of lower floor's (i.e. hot sealing layer), carry out conventional melt respectively, after plasticizing, be expressed in the mould of same flat T-shaped mouth, common from the mould of flat T-shaped mouth again, the mode curtain coating compound one-shot forming of jointly extruding with three layers, obtain compound film sheet, through cooling, stream calendering, trimming, thickness measuring, two-sided sided corona treatment, namely the heat-sealing stone paper that gross thickness is 0.05mm is obtained.
The wetting tension of gained heat-sealing stone paper reaches 38mN/m.
Embodiment 2
Heat-sealing stone paper comprises upper strata, intermediate base layer and lower floor, described upper strata is hot sealing layer, and lower floor is non-hot sealing layer, and intermediate base layer is foaming layer, and the mass ratio of the upper and lower and intermediate base layer is 20:80, i.e. upper strata: intermediate base layer: the mass ratio of lower floor=10:80:10; Wherein:
Hot sealing layer is made up of the component of following masses ratio: the antitack agent (i.e. talcpowder filled masterbatches) of the EVA of 46 %, the LLDPE of 50% and 4%;
Foaming layer is made up of the component of following masses ratio: to be 800 object calcium carbonate powders and talcum powder be respectively fineness 40%, high density polyethylene 15%, Aluminate 0.5%, Tissuemat E 1%, paraffin 1%, stearic acid 1%, DCP initator 0.2%, antioxidant 0.3%(that is 0.1% 168+0.2% 1010), AC blowing agent 1%;
Non-hot sealing layer is made up of the component of following masses ratio: fineness is 800 object Paris whites 40%, fineness be 800 object talcum powder 35%, high density polyethylene 22%, Aluminate 0.6%, Tissuemat E 1%, paraffin 1%, stearic acid 0.1%, antioxidant 0.3%(that is 0.1% 168+0.2% 1010);
Prepare through following conventional methods: the material of above-mentioned intermediate base layer (i.e. foaming layer) is sent into a main extruder, an auxiliary extruder sent into by the material on upper strata (i.e. hot sealing layer), another auxiliary extruder sent into by the material of lower floor's (i.e. hot sealing layer), carry out conventional melt respectively, after plasticizing, be expressed in the mould of same flat T-shaped mouth, common from the mould of flat T-shaped mouth again, the mode curtain coating compound one-shot forming of jointly extruding with three layers, obtain compound film sheet, through cooling, stream calendering, longitudinal stretching, cross directional stretch, trimming, thickness measuring, one side sided corona treatment, namely the heat-sealing stone paper that gross thickness is the light specific gravity of 1mm is obtained.
The wetting tension of gained heat-sealing stone paper reaches 42mN/m.
Embodiment 3
Heat-sealing stone paper comprises upper strata, intermediate base layer and lower floor, described the upper and lower are hot sealing layer, intermediate base layer is nonfoamed layer, and upper strata 1 and lower floor 3 are 1:99, i.e. upper strata with the mass ratio of intermediate base layer 2: intermediate base layer: the mass ratio of lower floor=0.5:90:0.5; Wherein:
Hot sealing layer is made up of the component of following masses ratio: the mPE of the 50% and LDPE of 50%;
Nonfoamed layer is made up of the component of following masses ratio: fineness is that 950 object diatomite and kaolin are respectively 30%, LDPE and LLDPE is respectively 18%, Aluminate 0.9%, Tissuemat E 1%, paraffin 1%, stearic acid 0.8%, antioxidant (1010) 0.3%;
Prepare through following conventional methods: the material of above-mentioned intermediate base layer (i.e. foaming layer) is sent into a main extruder, an auxiliary extruder sent into by the material on upper strata (i.e. hot sealing layer), another auxiliary extruder sent into by the material of lower floor's (i.e. hot sealing layer), carry out conventional melt respectively, after plasticizing, be expressed in the mould of same flat T-shaped mouth, common from the mould of flat T-shaped mouth again, the mode curtain coating compound one-shot forming of jointly extruding with three layers, obtain compound film sheet, through cooling, stream calendering, trimming, thickness measuring, one side sided corona treatment, namely the heat-sealing stone paper that gross thickness is 0.08mm is obtained.
The wetting tension of this heat-sealing stone paper reaches 40mN/m.
Embodiment 4
Heat-sealing stone paper comprises upper strata 1, intermediate base layer 2 and lower floor 3, described upper strata 1 is hot sealing layer, and lower floor 3 is non-hot sealing layer, and intermediate base layer is nonfoamed layer, the mass ratio of upper and lower layer 1,3 and intermediate base layer 2 is 20:80, i.e. upper strata: intermediate base layer: the mass ratio of lower floor=10:80:10; Wherein:
Hot sealing layer is made up of the component of following masses ratio: the MDPE of the EAA of 35%, the HDPE of 40% and 25%;
Nonfoamed layer and non-hot sealing layer form by the component of following masses ratio: fineness is 1000 object flyash 61%, high density polyethylene 35%, Aluminate 0.9%, Tissuemat E 1%, paraffin 1%, stearic acid 0.8%, antioxidant (1076) 0.3%;
Prepare through following conventional methods: by above-mentioned intermediate base layer 2(and foaming layer) material send into a main extruder, upper strata 1(and hot sealing layer) material send into an auxiliary extruder, lower floor 3(and hot sealing layer) material send into another auxiliary extruder, carry out conventional melt respectively, after plasticizing, be expressed in the mould of same flat T-shaped mouth, common from the mould of flat T-shaped mouth again, the mode curtain coating compound one-shot forming of jointly extruding with three layers, obtain compound film sheet, through cooling, stream calendering, longitudinal stretching, cross directional stretch, trimming, thickness measuring, one side sided corona treatment, namely the heat-sealing stone paper that gross thickness is the light specific gravity of 1mm is obtained.
The wetting tension of this heat-sealing stone paper reaches 46mN/m.
Claims (6)
1. a heat-sealing stone paper, by upper strata, intermediate base layer and lower floor, formed by the one-shot forming of routine three-layer co-extruded curtain coating compound, it is characterized in that the upper and lower: the mass ratio of intermediate base layer=1 ~ 20:99 ~ 80, and in the upper and lower, have at least one deck to be hot sealing layer, all the other are non-hot sealing layer, and intermediate base layer is foaming layer or nonfoamed layer, wherein:
Hot sealing layer is one or more in EVA, EAA, mPE, HDPE, LDPE, MDPE, LLDPE, PP, and mass ratio is the anti-adhesive agent of 0 ~ 4%, and summation is 100%;
Foaming layer is made up of the component of following masses ratio: inorganic particle 60 ~ 80%, synthetic resin 15 ~ 35%, Aluminate 0.5 ~ 1%, Tissuemat E 1%, paraffin 1%, stearic acid 0.1 ~ 1%, DCP initator 0.2%, antioxidant 0.3%, AC blowing agent 0.5 ~ 1%, summation is 100%;
Nonfoamed layer and non-hot sealing layer form by the component of following masses ratio: inorganic particle 60 ~ 80%, synthetic resin 15 ~ 35%, and Aluminate 0.5 ~ 1%, Tissuemat E 1%, paraffin 1%, stearic acid 0.1 ~ 1%, antioxidant 0.3%, summation are 100%;
Wherein:
Inorganic particle is one or more in Paris white, talcum powder, diatomite, kaolin, flyash, and several mixing quality ratios is arbitrary;
Synthetic resin is the combination of a kind of in LDPE, LLDPE, HDPE, PP or any two kinds, and the combination quality ratio of two kinds is arbitrary.
2. heat-sealing stone paper according to claim 1, is characterized in that: several mixing quality ratio of described hot sealing layer is arbitrary.
3. heat-sealing stone paper according to claim 1, is characterized in that: the anti-adhesive agent of described hot sealing layer is one or more in oleamide, erucyl amide, two fatty acid amide, and several mixing quality ratios is arbitrary; Or be one or more in silica, diatomite, talcum powder.
4. heat-sealing stone paper according to claim 1, is characterized in that: the gross thickness of described upper strata, intermediate base layer and lower floor is 0.05 ~ 1mm.
5. heat-sealing stone paper according to claim 1, is characterized in that: the fineness of described inorganic particle is 800 ~ 1250 orders.
6. heat-sealing stone paper according to claim 1, is characterized in that: described antioxidant is one or more in Hinered phenols, hindered amines, phosphorous acid esters, thio-based and complex class.
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| CN201310223108.2A CN103287036B (en) | 2013-06-06 | 2013-06-06 | Heat-sealing stone paper |
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| CN201310223108.2A CN103287036B (en) | 2013-06-06 | 2013-06-06 | Heat-sealing stone paper |
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| CN103287036B true CN103287036B (en) | 2015-07-01 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105017631B (en) * | 2015-07-16 | 2017-03-22 | 吴坤山 | Low-density ultra-thin inorganic thin film master batch and preparation method of inorganic thin film |
| CN107984844A (en) * | 2017-12-11 | 2018-05-04 | 杭州科能新材料科技有限公司 | A kind of sealed membrane for being applicable in packaging for foodstuff and preparation method thereof |
| CN109263080B (en) * | 2018-08-30 | 2022-01-07 | 湖北金三峡印务有限公司 | Artificial composite synthetic paper with improved printing performance and preparation method thereof |
| CN109551793A (en) * | 2018-12-12 | 2019-04-02 | 福建绿帆医用新材料股份公司 | A kind of production method of low-temperature heat-sealing medical blister packaging film |
| CN112693199B (en) * | 2020-12-21 | 2023-08-01 | 张家港永和包装印务有限公司 | Easy cover film of packaging paper container and heat sealing layer thereof |
| JP7227671B1 (en) * | 2022-11-07 | 2023-02-22 | 株式会社Tbm | Laminated sheet and compact |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765233A (en) * | 2012-08-06 | 2012-11-07 | 昆明钢铁控股有限公司 | Environment-friendly stone plate and preparation method thereof |
| CN102849985A (en) * | 2012-09-19 | 2013-01-02 | 重庆五明科技有限责任公司 | Environment-friendly stone paper and preparation method thereof |
| CN102875867A (en) * | 2012-09-10 | 2013-01-16 | 九鼎环保纸业股份有限公司 | Flame-resistant and environment-friendly stone wall paper base material |
-
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765233A (en) * | 2012-08-06 | 2012-11-07 | 昆明钢铁控股有限公司 | Environment-friendly stone plate and preparation method thereof |
| CN102875867A (en) * | 2012-09-10 | 2013-01-16 | 九鼎环保纸业股份有限公司 | Flame-resistant and environment-friendly stone wall paper base material |
| CN102849985A (en) * | 2012-09-19 | 2013-01-02 | 重庆五明科技有限责任公司 | Environment-friendly stone paper and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 艾尔赛义德 等.塑料薄膜手册.《塑料薄膜手册》.化学工业出版社,2006,(第1版),第67-68页. * |
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