CN101597400A - Be used to make the polypropylene resin composite of high-transparency and high-rigidity cigarette packaging film - Google Patents
Be used to make the polypropylene resin composite of high-transparency and high-rigidity cigarette packaging film Download PDFInfo
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- CN101597400A CN101597400A CNA2008100386251A CN200810038625A CN101597400A CN 101597400 A CN101597400 A CN 101597400A CN A2008100386251 A CNA2008100386251 A CN A2008100386251A CN 200810038625 A CN200810038625 A CN 200810038625A CN 101597400 A CN101597400 A CN 101597400A
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- oxidation inhibitor
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- polypropylene resin
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Abstract
A kind of polypropylene resin composite that is used to make high-transparency and high-rigidity cigarette packaging film comprises acrylic resin base-material and additive, forms through melting mixing.The acrylic resin base-material is an isotatic polypropylene, and additive comprises nucleator, thermo-stabilizer, oxidation inhibitor A and oxidation inhibitor B.Wherein: nucleator is 2,2-methylene radical-two (4,6-di-t-butyl phenoxy group) sodium phosphate; Thermo-stabilizer is 3-aryl-benzofuranone; Oxidation inhibitor A is four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester; Oxidation inhibitor B is three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester.The weight ratio of acrylic resin base-material and additive is 100: 0.08～0.20.It not only has good film forming processing characteristics, and the BOPP cigarette packaging film that makes has higher rigidity and more good transparency and glossiness.
Description
Technical field
The present invention relates to a kind of polypropylene resin composite, particularly be used to make the polypropylene resin composite of high-transparency and high-rigidity cigarette packaging film.
Background technology
Biaxially oriented polypropylene film (BOPP) (BOPP) film is one of fastest-rising kind in the polypropylene articles, colourless because of it, do not have smell, tasteless, nontoxic, and have high tensile, high rigidity and the good transparency, so be excellent flexible packing material, use very extensive at present.At this wherein, the BOPP cigarette packaging film is a kind of product of top grade, compares with common BOPP packing film, and it has lower heat-sealing temperature, better barrier property, high-clarity, high rigidity and good characteristics such as the quality that folds.The bidirectional high speed that a lot of characteristics of BOPP film mainly come from the course of processing stretches, but easily makes macromole because of oxidation or be heated and decompose in the drawing process, so it is made and must contain additive anti-oxidant and that heat resistanceheat resistant is decomposed in raw material acrylic resin.Simultaneously, additive also has the effect that improves film oxidation resistent susceptibility in the life-time service process.
In the prior art, the additive of making in the BOPP cigarette packaging film acrylic resin PP Pipe Compound mainly is made up of some oxidation inhibitor that are suitable for and prevention molecule pyrolysated thermo-stabilizer.Single the appropriateness of responsible additive add-on increases with regard to obtaining high oxidation-resistance and heat resistanceheat resistant decomposition, but this will bring the mechanical property of film and the drawback that optical property reduces.How many existing acrylic resins that is used to make high-transparency and high-rigidity cigarette packaging film exists the defective of this respect.
Summary of the invention
The invention provides a kind of polypropylene resin composite that is used to make high-transparency and high-rigidity cigarette packaging film, the present invention improves additive wherein, technical problem to be solved is to make polypropylene resin composite not only have good processing properties, and can make as the BOPP cigarette packaging film of raw material manufacturing and have higher rigidity and more good transparency and glossiness.
Below be the concrete technical scheme of the present invention:
A kind of polypropylene resin composite that is used to make high-transparency and high-rigidity cigarette packaging film, said composition comprises acrylic resin base-material and additive, forms through melting mixing.The acrylic resin base-material is an isotatic polypropylene, and its melt flow rate (MFR) is 2.8～4.0g/10min, and degree of isotacticity is 96.0～98.0%; Additive comprises nucleator, thermo-stabilizer, oxidation inhibitor A and oxidation inhibitor B.Wherein:
Nucleator is 2,2-methylene radical-two (4,6-di-t-butyl phenoxy group) sodium phosphate;
Thermo-stabilizer is 3-aryl-benzofuranone;
Oxidation inhibitor A is four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester;
Oxidation inhibitor B is three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester.
The components of additives proportioning is in weight part, and when oxidation inhibitor A was 100 parts, oxidation inhibitor B was 30～45 parts, and nucleator is 20～30 parts, and thermo-stabilizer is 5～15 parts.
The weight ratio of acrylic resin base-material and additive is 100: 0.08～0.20.
Above-mentioned components of additives proportioning is in weight part, and when oxidation inhibitor A was 100 parts, oxidation inhibitor B was preferably 35～45 parts; Nucleator is preferably 20～25 parts; Thermo-stabilizer is preferably 5～10 parts.
The weight ratio of above-mentioned acrylic resin base-material and additive is preferably 100: 0.10～and 0.15.
Key of the present invention is that additive is improved, and has selected a kind of suitable nucleator to add wherein.The contriver found through experiments, and the adding of nucleator can make the resin crystallinity appropriateness improve, and it is more even that crystal grain is thinner, the crystalline region distributes, and the additive total amount is reduced.Compared with prior art, polypropylene resin composite provided by the invention has guaranteed that not only it has good processing properties, and can make as the BOPP cigarette packaging film of raw material manufacturing and have higher rigidity and more good transparency and glossiness.
The invention will be further described below by embodiment.Because key of the present invention is the improvement of additive, other parts and prior art are basic identical, so embodiment will pay attention to enumerating of additive formulations and addition testing data.
Embodiment
[embodiment 1～8]
Get powdered polypropylene resin binder 500kg,, mix thoroughly in each component of required ratio adding additive.Material drops into twin screw extruder and carries out the melting mixing granulation.The residence time of material in screw rod is 2～4 minutes, and extruder temperature is controlled to be 190～220 ℃.The polypropylene resin composite particle that obtains is finished product behind cooling drying, each embodiment makes the 500kg sample.
The acrylic resin base-material is an isotatic polypropylene, and its melt flow rate (MFR) is 2.8～4.0g/10min, and degree of isotacticity is 96.0～98.0%.
Additive is made up of nucleator, thermo-stabilizer, oxidation inhibitor A and oxidation inhibitor B, wherein:
Nucleator is 2,2-methylene radical-two (4,6-di-t-butyl phenoxy group) sodium phosphate;
Thermo-stabilizer is 3-aryl-benzofuranone;
Oxidation inhibitor A is four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester;
Oxidation inhibitor B is three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester.
The add-on of each embodiment components of additives proportioning and additive sees Table 1, and wherein the components of additives proportioning is the weight part of other component when oxidation inhibitor A is 100 weight parts; The add-on of additive is the weight part of additive when the acrylic resin base-material is 100 weight parts.
The polypropylene resin composite finished product that each embodiment obtains adopts BOPP processes film, and film thickness is 20～22 μ, and tests its main performance index after timeliness, the results are shown in Table 2.
Table 1.
| Nucleator (weight part) | Oxidation inhibitor B (weight part) | Thermo-stabilizer (weight part) | Additive add-on (weight part) | |
| Embodiment 1 | 20 | 30 | 15 | 0.20 |
| Embodiment 2 | 22 | 30 | 12 | 0.18 |
| Embodiment 3 | 25 | 35 | 10 | 0.15 |
| Embodiment 4 | 20 | 38 | 10 | 0.14 |
| Embodiment 5 | 22 | 38 | 5 | 0.12 |
| Embodiment 6 | 25 | 40 | 10 | 0.10 |
| Embodiment 7 | 28 | 40 | 5 | 0.10 |
| Embodiment 8 | 30 | 45 | 5 | 0.08 |
Table 2.
| Tensile strength (MPa) | Modulus in tension (N/mm 2) | Mist degree (%) | Glossiness (GU) | |
| Embodiment 1 | 164 | 2101 | 1.35 | 91.0 |
| Embodiment 2 | 167 | 2150 | 1.33 | 91.5 |
| Embodiment 3 | 172 | 2287 | 1.29 | 92.2 |
| Embodiment 4 | 169 | 2215 | 1.28 | 91.9 |
| Embodiment 5 | 171 | 2252 | 1.26 | 92.5 |
| Embodiment 6 | 172 | 2269 | 1.25 | 92.8 |
| Embodiment 7 | 168 | 2221 | 1.29 | 91.9 |
| Embodiment 8 | 170 | 2195 | 1.28 | 91.6 |
Claims (5)
1, a kind of polypropylene resin composite that is used to make high-transparency and high-rigidity cigarette packaging film, said composition comprises acrylic resin base-material and additive, form through melting mixing, the acrylic resin base-material is an isotatic polypropylene, its melt flow rate (MFR) is 2.8～4.0g/10min, and degree of isotacticity is 96.0～98.0%; Additive comprises nucleator, thermo-stabilizer, oxidation inhibitor A and oxidation inhibitor B, wherein:
Nucleator is 2,2-methylene radical-two (4,6-di-t-butyl phenoxy group) sodium phosphate;
Thermo-stabilizer is 3-aryl-benzofuranone;
Oxidation inhibitor A is four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester;
Oxidation inhibitor B is three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester,
The components of additives proportioning is in weight part, and when oxidation inhibitor A was 100 parts, oxidation inhibitor B was 30～45 parts, and nucleator is 20～30 parts, and thermo-stabilizer is 5～15 parts;
The weight ratio of acrylic resin base-material and additive is 100: 0.08～0.20.
2, polypropylene resin composite according to claim 1 is characterized in that described components of additives proportioning in weight part, and when oxidation inhibitor A was 100 parts, oxidation inhibitor B was 35～45 parts.
3, polypropylene resin composite according to claim 1 is characterized in that described components of additives proportioning in weight part, and when oxidation inhibitor A was 100 parts, nucleator was 20～25 parts.
4, polypropylene resin composite according to claim 1 is characterized in that described components of additives proportioning in weight part, and when oxidation inhibitor A was 100 parts, thermo-stabilizer was 5～10 parts.
5, polypropylene resin composite according to claim 1, the weight ratio that it is characterized in that described acrylic resin base-material and additive is 100: 0.10～0.15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100386251A CN101597400A (en) | 2008-06-05 | 2008-06-05 | Be used to make the polypropylene resin composite of high-transparency and high-rigidity cigarette packaging film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100386251A CN101597400A (en) | 2008-06-05 | 2008-06-05 | Be used to make the polypropylene resin composite of high-transparency and high-rigidity cigarette packaging film |
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| Publication Number | Publication Date |
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| CN101597400A true CN101597400A (en) | 2009-12-09 |
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| CNA2008100386251A Pending CN101597400A (en) | 2008-06-05 | 2008-06-05 | Be used to make the polypropylene resin composite of high-transparency and high-rigidity cigarette packaging film |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103012959A (en) * | 2013-01-05 | 2013-04-03 | 中国石油化工股份有限公司 | Controlled-rheology high-modulus polypropylene special material and preparation method thereof |
| CN103304893A (en) * | 2012-03-16 | 2013-09-18 | 中国石油化工股份有限公司 | Low VOC (Volatile Organic Compound) polypropylene composition and preparation method thereof |
-
2008
- 2008-06-05 CN CNA2008100386251A patent/CN101597400A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103304893A (en) * | 2012-03-16 | 2013-09-18 | 中国石油化工股份有限公司 | Low VOC (Volatile Organic Compound) polypropylene composition and preparation method thereof |
| CN103304893B (en) * | 2012-03-16 | 2015-06-17 | 中国石油化工股份有限公司 | Low VOC (Volatile Organic Compound) polypropylene composition and preparation method thereof |
| CN103012959A (en) * | 2013-01-05 | 2013-04-03 | 中国石油化工股份有限公司 | Controlled-rheology high-modulus polypropylene special material and preparation method thereof |
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Open date: 20091209 |