CN101597401A - Be used to make the method for preparing polypropylene resin of high-transparency and high-rigidity cigarette packaging film - Google Patents
Be used to make the method for preparing polypropylene resin of high-transparency and high-rigidity cigarette packaging film Download PDFInfo
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- CN101597401A CN101597401A CNA2008100386266A CN200810038626A CN101597401A CN 101597401 A CN101597401 A CN 101597401A CN A2008100386266 A CNA2008100386266 A CN A2008100386266A CN 200810038626 A CN200810038626 A CN 200810038626A CN 101597401 A CN101597401 A CN 101597401A
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Abstract
A kind of method for preparing polypropylene resin that is used to make high-transparency and high-rigidity cigarette packaging film comprises and will carry out the melting mixing granulation behind acrylic resin base-material and the additive uniform mixing, gets product.The fusion Heating temperature is 180～240 ℃, and fusion heat-up time is 2～4 minutes.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.Its product not only has good film forming processing characteristics, and has higher rigidity and more good transparency and glossiness with the BOPP cigarette packaging film that this makes.
Description
Technical field
The present invention relates to a kind of preparation method of acrylic resin, particularly be used to make the preparation method of the acrylic resin 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.Existing acrylic resin or its preparation method that is used to make high-transparency and high-rigidity cigarette packaging film, what exist the defective of this respect.
Summary of the invention
The invention provides a kind of method for preparing polypropylene resin that is used to make high-transparency and high-rigidity cigarette packaging film, it improves the additive that preparation process adopts, technical problem to be solved is to make the acrylic resin of preparation gained 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 method for preparing polypropylene resin that is used to make high-transparency and high-rigidity cigarette packaging film, this method comprise carrying out the melting mixing granulation behind acrylic resin base-material and the additive uniform mixing, obtain the acrylic resin product.The fusion Heating temperature is 180～240 ℃, and fusion heat-up time is 2～4 minutes.
Above-mentioned 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%;
Above-mentioned 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 fusion Heating temperature is preferably 190～220 ℃.
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 above-mentioned acrylic resin base-material and the weight ratio of additive be 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, method provided by the invention has guaranteed that not only the resin that makes 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 such as melting mixing granulation process 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 acrylic resin 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 acrylic resin 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 (6)
1, a kind of method for preparing polypropylene resin that is used to make high-transparency and high-rigidity cigarette packaging film, this method comprises and will carry out the melting mixing granulation behind acrylic resin base-material and the additive uniform mixing, obtain the acrylic resin product, the fusion Heating temperature is 180～240 ℃, fusion heat-up time is 2～4 minutes
Above-mentioned 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%;
Above-mentioned 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, method for preparing polypropylene resin according to claim 1 is characterized in that described fusion Heating temperature is 190～220 ℃.
3, method for preparing polypropylene resin 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.
4, method for preparing polypropylene resin 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.
5, method for preparing polypropylene resin 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.
6, method for preparing polypropylene resin 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100386266A CN101597401A (en) | 2008-06-05 | 2008-06-05 | Be used to make the method for preparing polypropylene resin of high-transparency and high-rigidity cigarette packaging film |
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| CNA2008100386266A CN101597401A (en) | 2008-06-05 | 2008-06-05 | Be used to make the method for preparing polypropylene resin of high-transparency and high-rigidity cigarette packaging film |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103304892A (en) * | 2012-03-16 | 2013-09-18 | 中国石油化工股份有限公司 | VOC (Volatile Organic Compounds)-inhibited master batch for polypropylene, and preparation method and applications 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 |
| EP3309183A1 (en) | 2016-10-14 | 2018-04-18 | SABIC Global Technologies B.V. | Polypropylene for use in bopp applications |
| WO2018197610A1 (en) | 2017-04-28 | 2018-11-01 | Sabic Global Technologies B.V. | Polypropylene composition for use in bopp application, a process for preparing bopp films and said bopp film |
| WO2019197225A1 (en) | 2018-04-09 | 2019-10-17 | Sabic Global Technologies B.V. | Polypropylene composition for use in bopp application, a process for preparing bopp films and said bopp film |
| CN117698258A (en) * | 2024-01-19 | 2024-03-15 | 安徽润辉高分子材料科技有限公司 | High-temperature-resistant composite film for vacuum bag and preparation method thereof |
-
2008
- 2008-06-05 CN CNA2008100386266A patent/CN101597401A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103304892A (en) * | 2012-03-16 | 2013-09-18 | 中国石油化工股份有限公司 | VOC (Volatile Organic Compounds)-inhibited master batch for polypropylene, and preparation method and applications 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 |
| 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 |
| CN103304892B (en) * | 2012-03-16 | 2015-06-17 | 中国石油化工股份有限公司 | VOC (Volatile Organic Compounds)-inhibited master batch for polypropylene, and preparation method and applications thereof |
| EP3309183A1 (en) | 2016-10-14 | 2018-04-18 | SABIC Global Technologies B.V. | Polypropylene for use in bopp applications |
| WO2018069541A1 (en) | 2016-10-14 | 2018-04-19 | Sabic Global Technologies B.V. | Polypropylene for use in bopp applications |
| WO2018197610A1 (en) | 2017-04-28 | 2018-11-01 | Sabic Global Technologies B.V. | Polypropylene composition for use in bopp application, a process for preparing bopp films and said bopp film |
| US11578186B2 (en) | 2017-04-28 | 2023-02-14 | Sabic Global Technologies B.V. | Polypropylene composition for use in BOPP application, a process for preparing BOPP films and said BOPP film |
| WO2019197225A1 (en) | 2018-04-09 | 2019-10-17 | Sabic Global Technologies B.V. | Polypropylene composition for use in bopp application, a process for preparing bopp films and said bopp film |
| CN117698258A (en) * | 2024-01-19 | 2024-03-15 | 安徽润辉高分子材料科技有限公司 | High-temperature-resistant composite film for vacuum bag and preparation method thereof |
| CN117698258B (en) * | 2024-01-19 | 2024-06-11 | 安徽润辉高分子材料科技有限公司 | High-temperature-resistant composite film for vacuum bag and preparation method thereof |
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Open date: 20091209 |