CN102059836A - A heat-shrinkable biaxially stretched film - Google Patents
A heat-shrinkable biaxially stretched film Download PDFInfo
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- CN102059836A CN102059836A CN2010105054353A CN201010505435A CN102059836A CN 102059836 A CN102059836 A CN 102059836A CN 2010105054353 A CN2010105054353 A CN 2010105054353A CN 201010505435 A CN201010505435 A CN 201010505435A CN 102059836 A CN102059836 A CN 102059836A
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Abstract
The invention discloses a heat-shrinkable biaxially oriented film, which comprises three layers, wherein the total thickness of the three layers is 20-23 micrometers, the thickness of a surface layer is 0.5-1.5 micrometers, the thickness of a core layer is 19-22 micrometers, and the thickness of an inner layer is 0.5-1.5 micrometers. The surface layer comprises the following components in percentage by weight: 97 to 99 percent of copolymerized polypropylene resin, 0.5 to 2 percent of lubricant and 0.1 to 1 percent of anti-blocking agent; the core layer consists of the following components: 80-93% of homopolymerized polypropylene resin, 0.3-3% of antistatic agent, 0.1-0.5% of crystal regulator, 1-2% of surfactant, 5-18% of stiffening agent and 0.5-1% of lubricant; the inner layer consists of the following components: 97 to 99 percent of copolymerized polypropylene resin, 0.5 to 2 percent of lubricant and 0.1 to 1 percent of anti-blocking agent. The film has stable heat shrinkage rate, and the change of the heat shrinkage rate along with the storage time is small.
Description
Technical field
The invention belongs to thermal contraction oriented film technical field.Be particularly related to a kind of thermal contraction biaxially oriented film.
Background technology
On June 25th, 2003 publication number to be 1425549 Chinese disclosure of the Invention a kind of produces the method for Biaxially oriented polypropylene cigarette with film with bubble pipe method, this method comprises following operation: being mixed by special ratios of acrylic resin and functional master batch, on extruder, extrude periosteum just by co-extrusion die head, first periosteum is carried out quenching, preheating in temperature is 260 ℃-400 ℃ preheating oven then, in being 510 ℃ of-300 ℃ of baking ovens, temperature carries out horizontal inflation and longitudinal stretching, draft temperature is 135 ℃-150 ℃, its longitudinal stretching multiple is 6.5-8.0, and the cross directional stretch multiple is 5.0-8.0; Vacuolar membrane is carried out vane cooling, rolling, cuts, rewinding, cuts once more.This production technology is compared product with existing horizontal sheet process Biaxially oriented polypropylene cigarette with thin film fabrication techniques higher heat-shrinkable, can satisfy the requirement of cigarette with film.
The Chinese disclosure of the Invention that on August 4th, 2010, publication number was 101791889A a kind of heat-resisting isolated biaxially oriented polypropylene film and manufacture method thereof, belong to the bidirectional stretching polypropylene film processing technique field, comprise upper epidermis, sandwich layer, top layer down, it is formulated that described upper epidermis selects for use percentage by weight to be respectively the component of HOPP 94-96%, antitack agent 4-6%; Sandwich layer selects for use percentage by weight to be respectively HOPP 97-98%, and the component of slipping agent 2-3% is formulated; It is formulated that following top layer selects for use percentage by weight to be respectively the component of HOPP 94-96%, antitack agent 4-6%.Heat-resisting isolated biaxially oriented polypropylene film of the present invention is compared universal bidirectional stretching polypropylene film and is had higher fusing point, and more low heat shrinkage can satisfy electronics industry circuit board and this specific use of formica isolation features.
Above-mentioned prior art is by the bidirectional stretching polypropylene film in conjunction with the required or high or low percent thermal shrinkage of acquisition of technology or prescription and technology, but these technology do not relate to the stability problem of the thermal contraction performance of film.In fact, the storage of film, transportation and use have very high requirement to the stability of the thermal contraction performance of film.
BOPP film with the cigarette rigid pack is an example, different with general plastic sheeting is because the particularity of technology and prescription, particularly shrink BOPP cigarette film, increase firm masterbatch in a large number, more increased the unstability of cigarette film serviceability owing to added in the factory formula for height.Wherein the bigger control index of influence is a percent thermal shrinkage, and percent thermal shrinkage is defined as the rate of change of film film dimensions under the uniform temperature condition and in the time.The thermal contraction performance of film is the common requirement of most of packing films beautiful packing effect that need obtain.The BOPP film that is used for the cigarette rigid pack requires to have bigger thermal contraction performance, and is smooth to guarantee being close to of packing.
In biaxial orientation process, orientation and crystallization take place along external force direction in macromolecular chain.According to principle of entropy increase, the macromolecule long-chain always has a kind of trend of getting back to the random coil state, and it is the inverse process of orientation that this trend causes the contraction of film.Therefore, the degree of orientation of the percent thermal shrinkage of film and film and the crystallization in the orientation process have much relations [1].During storage of cigarette film and transportation, spontaneous disorientation process can take place gradually, and this rule also meets the time temperature equivalence principle of macromolecular material creep.If cigarette film memory time is long or storing temperature is higher, all may cause the percent thermal shrinkage decay of cigarette film excessive, and influence the packing effect of cigarette, this situation possibility of appearance is bigger in summer.Therefore, obtain high percent thermal shrinkage by process adjustments degrees of orientation such as temperature and draw ratios and have very big unstability.
Summary of the invention
The present invention overcomes the unsettled shortcoming of thermal contraction biaxially oriented film shrinkage factor in the prior art, and a kind of stable percent thermal shrinkage that has is provided, and percent thermal shrinkage is with the little thermal contraction biaxially oriented film of the variation of memory time.
The object of the present invention is achieved like this:
Thermal contraction biaxially oriented film of the present invention, this film have three layers, 20~23 microns of gross thickness, thick 0.5~1.5 micron of its mesexine, thick 19~22 microns of sandwich layer, thick 0.5~1.5 micron of nexine.The top layer is composed of the following components by weight percentage: COPP resin 97%~99%, lubricant 0.5%~2%, antiblocking agent 0.1%~1%; Sandwich layer is composed of the following components by weight percentage: HOPP resin 80%~93%, antistatic additive 0.3%~3%, crystal conditioning agent 0.1%~0.5%, surfactant 1%~2%, increase firm agent 5%~18%, lubricant 0.5%~1%; Nexine is composed of the following components by weight percentage: COPP resin 97%~99%, lubricant 0.5%~2%, antiblocking agent 0.1%~1%.
Wherein, the antistatic additive of sandwich layer is selected from nitric acid 3-(stearoyl amino) propyl-dimethyl beta-hydroxyethyl ammonium, methylsulfuric acid (the amino propyl group of 3-lauroyl) trimethyl ammonium, the amino dimethyl beta of biphosphate stearoyl-ethoxy salt, N-(3-alkoxyl-2-hydroxypropyl) MEA, C13-C16 alkyl diethanol amine, C14-C18 alkyl diethanol amine, octadecyldiethanol amine, the compound of ethoxy alkylamine and higher aliphatic and silica, the polyoxyethylene lauryl amine, wherein one or more the mixing of basic sodium sulfovinate of bay (dodecane) and dilauryl phosphate sodium.
The crystal conditioning agent of sandwich layer is selected from aromatic radical phosphate ester salt, benzoate, terephthalic acid (TPA) (replacement) Cyclohexamide, Millad 3988, NA-11, dibenzal sorbitol and derivative, 1 thereof, 3 or 2,4-is to wherein one or more the mixing of chlorine benzylidene sorbitol, hexanedioic acid, fumed nano silica and nano-calcium carbonate.
The surfactant of sandwich layer is selected from the sorbitol anhydride monolaurate, glycerin monostearate, bi-tristearin, sorbitan monostearate, sorbitan mono-oleic acid ester, monoolein, the dimerization glyceryl monostearate, Tripolyglycerol monostearates, PEO (20) glyceryl monostearate, PEO (5) glyceryl monostearate, wherein one or more the mixing of PEO (5) glycerin mono-fatty acid ester and PEO (20) glycerin mono-fatty acid ester.
Sandwich layer increase wherein one or more the mixing that firm agent is selected from C5 hydrogenated petroleum resin, C9 hydrogenated petroleum resin, C5/C9 hydrogenated petroleum resin copolymer, alicyclic hydrogenation Petropols, hydrogenation modified rosin, Foral.
Top layer, the used lubricant of nexine are selected from wherein one or more the mixing of erucyl amide, oleamide, stearic amide, behenic acid acid amides, oleoyl palmitamide, ethylene bis stearic acid amide, stearic acid stearmide, stearic acid erucyl amide, the two oleamides of ethylene, polyamide wax, silicone oil, silicone, stearic acid, stearyl alcohol, pentaerythritol stearate, montanin wax, Tissuemat E, polypropylene wax, paraffin and OPE.
The used antiblocking agent of top layer and nexine is selected from wherein one or more the mixing of calcium carbonate, barium sulfate, silicate, talcum powder, synthetic silica, natural silica, synthetic resin, silica, crosslinked polymethylmethacrylaparticles, cross-linked silicone, glass microballoon.
The invention has the beneficial effects as follows:
Because thermal contraction biaxially oriented film sandwich layer of the present invention has adopted the crystal conditioning agent, top layer and nexine have adopted the lubricant synergy, make the crystallization that is orientated in the film more perfect, the hear resistance that fiber is crystalline improves, when obviously improving the film percent thermal shrinkage, improved the stability of percent thermal shrinkage, make the percent thermal shrinkage of film under the summer high temperature that the raising of larger proportion is arranged especially, passivation the sensitiveness of percent thermal shrinkage to temperature, significantly slowed down the decay of film percent thermal shrinkage, help prolonging the resting period of film, prevented owing to percent thermal shrinkage is lower than the quality problems that control criterion produces.The contrast production control detects index and shows that the present invention also can be guaranteed as mechanical property, glossiness, mist degree, heat sealability, smooth performance and processing characteristics at other.
The specific embodiment
Embodiment: the preparation of BOPP cigarette film
Prescription according to table 1 takes by weighing each component by weight percentage, mixes.
Each layer film prescription (following each constituent content is weight percentage, and is benchmark with each layer film gross mass) of table 1
Each component is this area conventional products in the foregoing description, is not particularly limited, and all is commercially available.
The preparation method of BOPP cigarette film is conventionally known to one of skill in the art, is not particularly limited, and generally adopts stretch processes one by one, and pulling method is that the PP sheet material that will extrude is finished the secondary orientation process through longitudinal stretching, back cross directional stretch earlier one by one.The technological parameter of major control has line speed, temperature, draw ratio etc. in the production process.Production equipment is the three layers of extruder and the biaxial tension unit of German Bruckner company, and production stage and main technologic parameters are as follows:
A. take by weighing each component by weight percentage, mix; B. all components is joined and carry out fusion in the extruder, mix and extrude curtain coating to the chilling roller, temperature is 20 ℃~50 ℃; C. longitudinal stretching preheating, 80 ℃-150 ℃ of temperature, longitudinal stretching, 70 ℃-150 ℃ of temperature; The longitudinal stretching typing, temperature: 20 ℃-80 ℃, longitudinal stretching multiple: 1.5-8.5 is doubly; D. cross directional stretch preheating, temperature: 120 ℃-175 ℃; Cross directional stretch, temperature: 130 ℃-170 ℃; The cross directional stretch typing, temperature: 100 ℃-160 ℃; E. draw Thickness Measurement by Microwave; F. rolling; G. Ageing Treatment.
Wherein main extruder, each section of coextrusion machine heating-up temperature for conventionally known to one of skill in the art, are not particularly limited, and generally are controlled at 200 ℃-280 ℃.
The screw speed of extruder main extruder, coextrusion machine is decided according to BOPP film sandwich layer and about two-layer thickness proportion, is controlled at 200-500 rev/min.
The tension force of rolling is conventionally known to one of skill in the art, and suitable tension gets final product, and is not particularly limited.
The Ageing Treatment means are conventionally known to one of skill in the art, are not particularly limited.Generally at ambient temperature, leave standstill 2-30 days.
The thickness of each tunic of the foregoing description is: 0.8 micron on top layer, 19.4 microns of sandwich layers, 0.8 micron of nexine.
Each layer thickness of film is conventionally known to one of skill in the art, use above-mentioned preparation method, only need to adjust the thickness that the controlling value of desired thickness then can obtain to require, general thickness is controlled at: 20~23 microns of gross thickness, thick 0.5~1.5 micron of its mesexine, thick 19~22 microns of sandwich layer, thick 0.5~1.5 micron of nexine.
Effect assessment of the present invention:
The performance of thermal contraction biaxially oriented film is assessed by multinomial detection index, comprises percent thermal shrinkage, elastic modelling quantity, hot strength, elongation at break, surface gloss, mist degree, friction factor, heat seal strength etc. as the combination property of cigarette film.Being conventional products and product of the present invention shown in table 2, the table 3 rolls off the production line and index contrast 3 months the time at product.
Table 2 rolls off the production line and promptly surveys the table of comparisons
90 days tables of comparisons of table 3
Annotate: MD represents that vertically TD represents laterally.
Wherein reference example is a conventional products, and its component and content see Table 4.
Table 4 reference example component and content
Can find from table 2, table 3, need not production technology is adjusted especially that the present invention does not all have negative effect to the mechanical property of BOPP cigarette film, optical property, heat sealability, smooth performance etc., all indexs are all in the fluctuation range that detects control.
Can find from last table 2, table 3 simultaneously, relative conventional products, the percent thermal shrinkage of cigarette film of the present invention increases, and As time goes on, the stability of percent thermal shrinkage also is significantly improved.
The testing equipment that the foregoing description uses is:
The friction factor instrument, the RASAN type; Grossmeters, the D48-7 type; Haze meter, the M57 type; Heat sealing machine, the HSG/ETK type; Baking oven, the FED-53 type.Above testing equipment is German ROSAND precision instrument Co., Ltd and produces.
The foregoing description performance test standard:
Adopt DIN 53-457 to measure mechanical property;
Adopt DIN 53 375 to measure the mantle friction characteristic of film;
Adopt ASTM D 2457-90 to measure the surface optical performance of film;
Adopt ASTM D 1003-92 to measure the opacity of film;
Adopt BMS TT 01 to measure the heat seal strength of film;
The dimensional stability that adopts BMS TT 02 to measure film is horizontal/vertical percent thermal shrinkage.
List of references
[1] Wu Zengqing, Tu Zhigang, orientation and crystallization in the BOPP film production process, Packaging Engineering, 2002,23 (4): 35-36,39.
Claims (7)
1. a thermal contraction biaxially oriented film is characterized in that, this film has three layers, 20~23 microns of gross thickness, thick 0.5~1.5 micron of its mesexine, thick 19~22 microns of sandwich layer, thick 0.5~1.5 micron of nexine; The top layer is composed of the following components by weight percentage: COPP resin 97%~99%, lubricant 0.5%~2%, antiblocking agent 0.1%~1%; Sandwich layer is composed of the following components by weight percentage: HOPP resin 80%~93%, antistatic additive 0.3%~3%, crystal conditioning agent 0.1%~0.5%, surfactant 1%~2%, increase firm agent 5%~18%, lubricant 0.5%~1%; Nexine is composed of the following components by weight percentage: COPP resin 97%~99%, lubricant 0.5%~2%, antiblocking agent 0.1%~1%.
2. thermal contraction biaxially oriented film according to claim 1 is characterized in that: the antistatic additive of described sandwich layer is selected from nitric acid 3-(stearoyl amino) propyl-dimethyl beta-hydroxyethyl ammonium, methylsulfuric acid (the amino propyl group of 3-lauroyl) trimethyl ammonium, the amino dimethyl beta of biphosphate stearoyl-ethoxy salt, N-(3-alkoxyl-2-hydroxypropyl) MEA, C13-C16 alkyl diethanol amine, C14-C18 alkyl diethanol amine, octadecyldiethanol amine, the compound of ethoxy alkylamine and higher aliphatic and silica, the polyoxyethylene lauryl amine, wherein one or more the mixing of basic sodium sulfovinate of bay (dodecane) and dilauryl phosphate sodium.
3. thermal contraction biaxially oriented film according to claim 1, it is characterized in that: the crystal conditioning agent of described sandwich layer is selected from aromatic radical phosphate ester salt, benzoate, terephthalic acid (TPA) (replacement) Cyclohexamide, Millad3988, NA-11, dibenzal sorbitol and derivative, 1 thereof, 3 or 2,4-is to wherein one or more the mixing of chlorine benzylidene sorbitol, hexanedioic acid, fumed nano silica and nano-calcium carbonate.
4. thermal contraction biaxially oriented film according to claim 1 is characterized in that: the surfactant of described sandwich layer is selected from the sorbitol anhydride monolaurate, glycerin monostearate, bi-tristearin, sorbitan monostearate, sorbitan mono-oleic acid ester, monoolein, the dimerization glyceryl monostearate, Tripolyglycerol monostearates, PEO (20) glyceryl monostearate, PEO (5) glyceryl monostearate, wherein one or more the mixing of PEO (5) glycerin mono-fatty acid ester and PEO (20) glycerin mono-fatty acid ester.
5. thermal contraction biaxially oriented film according to claim 1 is characterized in that: described sandwich layer increase wherein one or more the mixing that firm agent is selected from C5 hydrogenated petroleum resin, C9 hydrogenated petroleum resin, C5/C9 hydrogenated petroleum resin copolymer, alicyclic hydrogenation Petropols, hydrogenation modified rosin, Foral.
6. thermal contraction biaxially oriented film according to claim 1 is characterized in that: described lubricant is selected from wherein one or more the mixing of erucyl amide, oleamide, stearic amide, behenic acid acid amides, oleoyl palmitamide, ethylene bis stearic acid amide, stearic acid stearmide, stearic acid erucyl amide, the two oleamides of ethylene, polyamide wax, silicone oil, silicone, stearic acid, stearyl alcohol, pentaerythritol stearate, montanin wax, Tissuemat E, polypropylene wax, paraffin and OPE.
7. thermal contraction biaxially oriented film according to claim 1 is characterized in that: described antiblocking agent is selected from wherein one or more the mixing of calcium carbonate, barium sulfate, silicate, talcum powder, synthetic silica, natural silica, synthetic resin, silica, crosslinked polymethylmethacrylaparticles, cross-linked silicone, glass microballoon.
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CN102555381A (en) * | 2012-03-09 | 2012-07-11 | 湖北富思特材料科技集团有限公司 | Biaxially-oriented polypropylene (BOPP) coated heat sealable film |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101434726A (en) * | 2008-12-11 | 2009-05-20 | 湛江包装材料企业有限公司 | Thermal contraction and antistatic composite master batch, preparation and use thereof |
-
2010
- 2010-10-11 CN CN2010105054353A patent/CN102059836A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101434726A (en) * | 2008-12-11 | 2009-05-20 | 湛江包装材料企业有限公司 | Thermal contraction and antistatic composite master batch, preparation and use thereof |
Non-Patent Citations (4)
Title |
---|
刘冠文: "双向拉伸聚丙烯(BPP)薄膜", 《合成材料老化与应用》 * |
杨建武: "双向拉伸聚丙烯烟膜热封性能的研究", 《中国塑料》 * |
涂志刚: "BOPP薄膜中的功能性助剂", 《塑料包装》 * |
穆亚君: "BOPP 烟膜现状", 《广东塑料》 * |
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Application publication date: 20110518 |