CN1362328A - Biaxial stretching polypropylene base film for laser coining transfer and its production process - Google Patents
Biaxial stretching polypropylene base film for laser coining transfer and its production process Download PDFInfo
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- CN1362328A CN1362328A CN 02115421 CN02115421A CN1362328A CN 1362328 A CN1362328 A CN 1362328A CN 02115421 CN02115421 CN 02115421 CN 02115421 A CN02115421 A CN 02115421A CN 1362328 A CN1362328 A CN 1362328A
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- upper epidermis
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Abstract
The biaxial stretching polypropylene base film is formed of upper surface layer, core layer and lower layer which are made into one body by means of thermal bonding and co-extrusion process, and its lower surface layer is used as transfer layer. Its production method includes the following steps: proportioning raw material and auxiliary material, mixing them, feeding mixture into extruding machine, plasticizing to obtain melt, making the melt pass through pipe, die and sheet-casting device, co-extruding to obtain thick sheet, longitduinal stretching and lateral stretching to obtain the invented film.
Description
Affiliated technical field
The present invention relates to a kind of polypropylene basement membrane and manufacture method thereof of novel use, especially for the bidirection drawed BOPP film and the manufacture method thereof of laser imprinting transfer.Utilize this kind basement membrane can process product with laser effect, and by radium-shine transfer, thereby reach packaged commodity decoration, decoration or antifalse effect.
Background technology
At present, the known transfer basement membrane that is used to produce laser imprinting evaporation goods is the basement membrane of being produced by polyester plastics (PET), polyethylene non-PP (HOPP) raw materials such as (PE).Utilize this type of basement membrane to impress evaporation and radium-shine transfer, finally can reach decoration, decoration or false proof effect packaged commodity.But this type of basement membrane produces that the used prices of raw and semifnished materials are expensive, equipment performance require high, production cost height, and because its later stage processing cost is higher, and be subjected to production-scale the influence, the general user can not directly impress processing to it.Like this, reduce product cost, widen product applications and brought unsurmountable defective for downstream user.
Summary of the invention:
The objective of the invention is, produce used raw material, production and the higher deficiency of post-production cost, improve, propose and be designed for the polypropylene basement membrane and the manufacture method thereof of the biaxial tension of laser imprinting transfer at existing radium-shine transfer basement membrane.Thereby for downstream user reduces product cost, widened product applications, basement membrane of the present invention can not only satisfy the service property (quality) requirement (if any well impression brightness) of downstream user to product, but also can reduce the cost of product.
Technical solution scheme of the present invention is, basement membrane is by upper epidermis, sandwich layer, the top layer constitutes down, and upper epidermis, sandwich layer, the top layer becomes one by the hot melt co-extrusion down, and sandwich layer is at upper epidermis, down between the top layer, and wherein descending the top layer is transfer layer.
The thickness on upper epidermis, following top layer is respectively the 10%-12% of basement membrane thickness.
Produce the upper epidermis, sandwich layer of basement membrane, the component of the raw and auxiliary material on top layer is in following ratio mixed preparing down:
Upper epidermis:
Binary copolymerization polypropylene 65%;
Ternary polymerized polypropylene 29%-31%;
Antitack agent 4-6%
Sandwich layer:
HOPP 99.5-99.8%;
Releasing agent 0.2-0.5%;
Following top layer:
HOPP 99.2-99.5%;
Releasing agent 0.5-0.8%.
Manufacturing process of the present invention, technological process is:
At first through the supplementary material type selecting, raw and auxiliary material being pressed formulation ratio mixes again, mix is even, the uniform raw and auxiliary material of mix is sent into extruder plastify into melt, melt passes through pipeline, through die head, casting sheet device, co-extrusion becomes sheet, sheet becomes film through the biaxial orientation stretching machine longitudinal stretching with cross directional stretch, the thickness of film adopts automatic measuring thickness device to regulate, the film that reaches specific thickness through sided corona treatment with the enhanced film surface tension, packaging film feeding Cheng Dajuan film that again will be after sided corona treatment, to roll up film more greatly and send into the Ageing Treatment device, cut into the basement membrane finished product through dividing then.
In stretching process, make the condition that the sheet of basement membrane can root a tree name production equipment, select two-step stretch or synchro-draw for use.
The advantage that the present invention has is, because the used raw material of this basement membrane are mainly HOPP, it is low that this raw-material market price is produced raw material than the basement membrane of other similar purposes, stretch processes production efficiency height, production cost is low, and the user can directly impress evaporation processing with this kind basement membrane, therefore, can satisfy the desired laser effect of user, evaporation effect and transfer effect, greatly reduce the cost of product simultaneously.
Description of drawings
Fig. 1 is the basement membrane cross-section structure that the present invention produces.
Fig. 2 is basement membrane technological process of production figure of the present invention.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
As shown in Figure 1, basement membrane of the present invention is made of upper epidermis 1, sandwich layer 2, following top layer 3, upper epidermis 1, sandwich layer 2, following top layer 3 form integral body by equipment hot melt, co-extrusion, sandwich layer 2 is at upper epidermis 1, down between the top layer 3, wherein descending top layer 3 is transfer layer, and the thickness on upper epidermis 1, following top layer 3 is respectively the 10%-12% of basement membrane thickness.
Constitute the upper epidermis 1, sandwich layer 2 of above-mentioned basement membrane, the component of the raw and auxiliary material on top layer 3 is in following ratio proportioning down:
Upper epidermis 1: binary copolymerization polypropylene 65%,
Ternary polymerized polypropylene 29-31%
Antitack agent 4-6%
Sandwich layer 2: HOPP 99.5-99.8%
Releasing agent 0.2-0.5%
Following top layer 3: HOPP 99.2-99.5%
Releasing agent 0.5-0.8%
Wherein, the melt index of HOPP is 3.2-3.5g/10min, and the polyacrylic melt index of binary copolymerization is 6-8g/10min, and the melt index of ternary polymerized polypropylene is 7-9g/min, antitack agent can be selected AB6072PP or AB6075PP for use, and releasing agent can be selected KS-61 or YG-44 for use.
As shown in Figure 2, the basic technology of production of the present invention, at first through the raw and auxiliary material type selecting, raw and auxiliary material being pressed formulation ratio mixes again, mix is even, the uniform raw and auxiliary material of mix is sent into extruder plastify into melt, melt is by pipeline, through die head, casting sheet device, co-extrusion becomes sheet, sheet becomes film through the biaxial orientation stretching machine longitudinal stretching with cross directional stretch, the thickness of film adopts automatic measuring thickness device to regulate, the film that reaches specific thickness through sided corona treatment with the enhanced film surface tension, packaging film feeding Cheng Dajuan film that again will be after sided corona treatment, to roll up film more greatly and send into the Ageing Treatment device, then through dividing cutting basement membrane finished product.In stretching process, make the sheet of basement membrane and can select two-step stretch or synchro-draw for use according to the condition of production equipment.
Embodiment one: by above-mentioned technology, raw and auxiliary material is pressed,
In upper epidermis 1: the binary copolymerization polypropylene is 64%, and ternary polymerized polypropylene is 30%, and antitack agent is 6%;
In sandwich layer 2: HOPP is 99.5%, and releasing agent is 0.5%;
In following top layer 3: HOPP is 99.2%, and releasing agent is 0.8%;
The raw and auxiliary material that above-mentioned apolegamy is good mix respectively and mix even, again with the uniform raw and auxiliary material of mix, send into extruder and plastify into melt, melt becomes sheet by pipeline through die head casting sheet device co-extrusion, sheet sheet behind polypropylene bidirection drawing machine longitudinal stretching and cross directional stretch becomes film through the biaxial orientation stretching machine longitudinal stretching with cross directional stretch, the thickness of film adopts automatic measuring thickness device to regulate, the film that reaches specific thickness is through sided corona treatment, with the enhanced film surface tension, again with packaging film feeding Cheng Dajuan, to involve in greatly into the timeliness treating apparatus, the cycle is three days, manufactures finished product (basement membrane) through cutting then.The basement membrane product of producing by this scheme is applicable to the processing of general radium-shine transfer goods.
Embodiment two: raw and auxiliary material pressed,
In upper epidermis 1: the binary copolymerization polypropylene is 65%, and ternary polymerized polypropylene is 31%, and antitack agent is 4%;
In sandwich layer 2: HOPP is 99.8%, and releasing agent is 0.2%;
In following top layer 3: HOPP is 99.5%, and releasing agent is 0.5%;
The technology of this embodiment is with embodiment one.The basement membrane product of producing by this scheme is applicable to the processing of the radium-shine transfer goods of local orientation.
Embodiment three: this scheme is an optimum implementation, raw and auxiliary material is pressed,
In upper epidermis 1: the binary copolymerization polypropylene is 65%, and ternary polymerized polypropylene is 35%, and antitack agent is 5%;
In sandwich layer 2: HOPP is 96.5%, and releasing agent is 0.35%;
In following top layer 3: HOPP is 99.35%, and releasing agent is 0.65%;
The technology of this embodiment is with embodiment one.The basement membrane product of producing by this scheme is not only applicable to the processing of the radium-shine transfer goods of general applications.And being used for the part, whole stamp transfer is satisfactory for result.
Claims (5)
1, is used for the bidirection drawed BOPP film that laser imprinting shifts, it is characterized in that, basement membrane is made of upper epidermis (1), sandwich layer (2), following top layer (3), upper epidermis (1), sandwich layer (2), following top layer (3) become one by hot melt, co-extrusion, sandwich layer (2) is positioned between upper epidermis (1), the following top layer (2), and wherein descending top layer (3) is transfer layer.
2, the bidirection drawed BOPP film that is used for the laser imprinting transfer according to claim 1 is characterized in that, the thickness on upper epidermis (1), following top layer (3) is respectively the 10%-12% of basement membrane thickness.
3, according to claim 1ly be used for the bidirection drawed BOPP film that laser imprinting shifts, it is characterized in that, produce the upper epidermis (1), sandwich layer (2) of basement membrane, the component of the raw and auxiliary material on top layer (3) is in following ratio mixed preparing down:
Upper epidermis (1):
Binary copolymerization polypropylene 65%;
Ternary polymerized polypropylene 29%-31%;
Antitack agent 4-6%;
Sandwich layer (2):
HOPP 99.5-99.8%;
Releasing agent 0.2-0.5%;
Following top layer (3):
HOPP 99.2-99.5%;
Releasing agent 0.5-0.8%;
4, the manufacture method that is used for the bidirection drawed BOPP film of laser imprinting transfer according to claim 1, its technological process is:
At first through the supplementary material type selecting, raw and auxiliary material being pressed formulation ratio mixes again, mix is even, the uniform raw and auxiliary material of mix is sent into extruder plastify into melt, melt passes through pipeline, through die head, casting sheet device, co-extrusion becomes sheet, sheet becomes film through the biaxial orientation stretching machine longitudinal stretching with cross directional stretch, the thickness of film adopts automatic measuring thickness device to regulate, the film that reaches specific thickness through sided corona treatment with the enhanced film surface tension, packaging film feeding Cheng Dajuan film that again will be after sided corona treatment, to roll up film more greatly and send into the Ageing Treatment device, cut into the basement membrane finished product through dividing then.
5, the manufacture method that is used for the bidirection drawed BOPP film that laser imprinting shifts according to claim 4 is characterized in that, in stretching process, makes the condition that the sheet of basement membrane can root a tree name production equipment, selects two-step stretch or synchro-draw for use.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 02115421 CN1362328A (en) | 2002-01-11 | 2002-01-11 | Biaxial stretching polypropylene base film for laser coining transfer and its production process |
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| CN 02115421 CN1362328A (en) | 2002-01-11 | 2002-01-11 | Biaxial stretching polypropylene base film for laser coining transfer and its production process |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582311A (en) * | 2012-02-09 | 2012-07-18 | 江苏双星彩塑新材料股份有限公司 | Ultrathin thermal-transfer PET (polyethylene terephthalate) film and preparation method thereof |
| CN108656677A (en) * | 2018-03-30 | 2018-10-16 | 苏州昆岭薄膜工业有限公司 | A kind of radium-shine two-sided heat sealable cigarette packaging film of smooth surface and preparation method thereof |
| CN108673967A (en) * | 2018-03-30 | 2018-10-19 | 云南昆岭薄膜工业有限公司 | A kind of smooth surface laser smoke composite package film and preparation method thereof |
| CN111703159A (en) * | 2020-06-09 | 2020-09-25 | 安徽国风塑业股份有限公司 | High-aluminum-fastness BOPP (biaxially-oriented polypropylene) base film for low-temperature laser mould pressing and preparation method thereof |
| CN113085337A (en) * | 2021-05-13 | 2021-07-09 | 浙江金瑞薄膜材料有限公司 | Production method of laser anti-counterfeiting film |
-
2002
- 2002-01-11 CN CN 02115421 patent/CN1362328A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582311A (en) * | 2012-02-09 | 2012-07-18 | 江苏双星彩塑新材料股份有限公司 | Ultrathin thermal-transfer PET (polyethylene terephthalate) film and preparation method thereof |
| CN102582311B (en) * | 2012-02-09 | 2013-08-28 | 江苏双星彩塑新材料股份有限公司 | Ultrathin thermal-transfer PET (polyethylene terephthalate) film and preparation method thereof |
| CN108656677A (en) * | 2018-03-30 | 2018-10-16 | 苏州昆岭薄膜工业有限公司 | A kind of radium-shine two-sided heat sealable cigarette packaging film of smooth surface and preparation method thereof |
| CN108673967A (en) * | 2018-03-30 | 2018-10-19 | 云南昆岭薄膜工业有限公司 | A kind of smooth surface laser smoke composite package film and preparation method thereof |
| CN108656677B (en) * | 2018-03-30 | 2020-06-05 | 苏州昆岭薄膜工业有限公司 | Smooth laser double-sided heat-sealable cigarette packaging film and preparation method thereof |
| CN111703159A (en) * | 2020-06-09 | 2020-09-25 | 安徽国风塑业股份有限公司 | High-aluminum-fastness BOPP (biaxially-oriented polypropylene) base film for low-temperature laser mould pressing and preparation method thereof |
| CN113085337A (en) * | 2021-05-13 | 2021-07-09 | 浙江金瑞薄膜材料有限公司 | Production method of laser anti-counterfeiting film |
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