CN1117122C - Polyethylene polyethylene terephthalate alloy type single layer separated packaging material - Google Patents
Polyethylene polyethylene terephthalate alloy type single layer separated packaging material Download PDFInfo
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- CN1117122C CN1117122C CN98112011A CN98112011A CN1117122C CN 1117122 C CN1117122 C CN 1117122C CN 98112011 A CN98112011 A CN 98112011A CN 98112011 A CN98112011 A CN 98112011A CN 1117122 C CN1117122 C CN 1117122C
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Abstract
The present invention relates to a polyethylene or polyethylene terephthalate alloy type single layer separation packaging material. The present invention is characterized in that a grafting polyethylene volume increasing agent and polyethylene or polyethylene terephthalate are blended to prepare an alloy granular material; the blending alloy granular material are mixed with the polyethylene to be directly used for injection, extrusion and hollow calendering molding. A produced plastic film, a sheet, a pipe, a bottle and a barrel separation packing material product can replace a pure high molecular material and a multilayer composite material. The present invention greatly reduces cost, physical and mechanical property is better than that of a pure polyethylene material, and the present invention is good for the recovery and the three-waste treatment of waste and old products.
Description
The present invention relates to a kind of polyethylene/polyethylene terephthalate alloy type single layer separated packaging material, this wrapping material have blocking oxygen, the carbon functional polymer blended material of water vapor and titanium dioxide.
At present, be used for Consumer package of commodities barrier materials such as food, beverage, medicine and cosmetics of everyday use both at home and abroad, the pure high score material that good barrier property is arranged, as polyethylene terephthalate, polyvinylidene dichloride, polymeric amide and polyoxyethylene glycol etc., also a large amount of polyethylene terephthalate or polymeric amide and polyethylene multilayer matrix materials of using are as film, bag etc.Pure polymer barrier material, because of the cost height, processing difficulties, only be used for paying value added high commodity packaging, multilayer materials is that polyethylene film and polyethylene terephthalate or polyamide layer are composited, or produce by the coextrusion method and to make, but because of the production cost height, waste and old product can not reclaim and limit production development.Prasad Sambaru and S.A.Jabarin, Polymer Engineering and Science, 33 (13) .P827 have reported with maleic anhydride grafted polyethylene as expanding material, studied the mechanical property of polyethylene terephthalate/high density polyethylene blends, optics and thermal characteristics, the result shows that the polyethylene terephthalate/high density polyethylene blends of this expanding material increase-volume has the orientation of promotion sclerization, enhancing along with the orientation effect, the physicals of blend makes moderate progress, but this blend is based on ethylene glycol terephthalate, add a small amount of polyethylene blend, and just make theoretical property and inquire into, be not used as the research of barrier material.Seat generation equality polymer material science and engineering No5 1994.P81, report the method for extruding with the twin screw extruder reactivity and synthesized grafted low density polyethylene toxilic acid lanthanum ionomer, and with ionomer and ethylene glycol terephthalate/new LDPE (film grade) melt blending in twin screw extruder is extruded, measured the mechanical property of polyethylene terephthalate/new LDPE (film grade), found that ionomer has significant toughening effect at the injection standard sample.Do not strengthen but this intermingling material is only toughness reinforcing, also be not used as the research of barrier material.
The objective of the invention is provides a kind of polyethylene/polyethylene terephthalate alloy type single layer wrapping material at the deficiencies in the prior art, be characterized in grafted polyethylene expanding material and polyethylene and poly terephthalic acid ethanol ester blend alloying pellet, this alloy granule mixes with polyethylene and is directly used in injection, extrude, hollow and calendering formation, produce plastics film, sheet, pipe, bottle and bucket wait the barrier material goods, can replace pure macromolecular material and multilayer materials film, not only reduced cost significantly, and physical and mechanical properties is better than polythene material, helps the recovery and the disposal of three wastes of waste product.
Purpose of the present invention realizes that by following technical measures wherein said raw material umber is parts by weight except that specified otherwise.
The recipe ingredient of polyethylene/polyethylene terephthalate alloy type single layer separated packaging material is:
The polyethylene of increase-volume/polyethylene terephthalate alloy granule 40-100 branch
Polyethylene (available high density polyethylene, [MI=1-50] is at least a for new LDPE (film grade) or linear polyethylene)
5-60 part
The manufacture method of polyethylene/polyethylene terephthalate alloy type single layer separated packaging material:
1. the preparation of methylene-succinic acid and ester grafted polyethylene expanding material thereof
With 100 parts of polyethylene, methylene-succinic acid and ester 1-6 part thereof and dicumyl peroxide add common forcing machine internal reaction for 0.01～1 part and extrude preparation grafted polyethylene expanding material, temperature 100-220 ℃, time 2-8 minute.
2. the preparation of polyethylene/polyethylene terephthalate alloy granule
With (1) step gained grafted polyethylene expanding material 5-60 part, 0.1～2 part in oxidation inhibitor, polyethylene 20-80 part, polyethylene terephthalate 10-60 part, add the interior blend of twin screw extruder and extrude preparation polyethylene/polyethylene terephthalate alloy granule, 220～280 ℃ of temperature, rotating speed 70～200rpm.
3. the preparation of polyethylene/polyethylene terephthalate alloy type single layer separated packaging material
With 20～95 parts of (2) step gained polyethylene/polyethylene terephthalate alloy granule, 5～80 parts of mixing of polyethylene, be directly used in injection, extrude, hollow and calendering formation, temperature 180-280 ℃, pressure 0.6～10MPa, rotating speed 20～200rpm produces plastics film, sheet, pipe, bottle and bucket.
The oxidation inhibitor of polyethylene/polyethylene terephthalate alloy type single layer separated packaging material be 4[3-(3 ', 5 '-di-t-butyl-8 hydroxy phenyl) propionic acid] pentaerythritol ester (1010), 2.6-di-t-butyl-4-methyl benzoic acid (264) and thio-2 acid two lauric acid (DLTP) are at least a.
The physical and mechanical properties of polyethylene/polyethylene terephthalate alloy type single layer separated packaging material:
Tensile strength 〉=19MPa
Elongation at break 〉=600%
Tear strength 5MPa
Resistance to impact shock 〉=0.3KJ/m
Oxygen transit dose≤50cm
2/ m
2, 24h, atm
Vapor transfer rate≤10g/m
2, 24h
The present invention compared with prior art has following advantage
1. starting material and processing charges only are half of multilayer materials.
2. adopt common blow die machine to produce blown film, waste and old film can directly be recycled, and has not only reduced cost significantly, and has helped the disposal of three wastes, has eliminated environmental pollution.
3. polyethylene/polyethylene terephthalate the alloy type single layer separated packaging material of the present invention's production can replace polyethylene terephthalate, polymeric amide, polyethylene and their multilayer materials goods have remarkable economic efficiency and social benefit.
Embodiment
Below by embodiment the present invention is specifically described; be necessary to be pointed out that at this following examples only are used for the present invention is further specified; can not be interpreted as limiting the scope of the invention, the person skilled in art can make some nonessential improvement and adjustment to the present invention according to foregoing.
1. with highly close polyethylene [MI=4] 100 parts, 0.01 part of 1 part of methylene-succinic acid and ester thereof and dicumyl peroxide add φ 30 single screw extrusion machine internal reactions and extrude preparation grafted polyethylene expanding material, 150～200 ℃ of temperature, 2 minutes time.The grafted polyethylene expanding material that to obtain in (1) step is 20 parts then, 20 parts of height degree polyethylene [M=1], 0.3 part in 60 parts of polyethylene terephthalates ([η]=0.7) and 1010 oxidation inhibitor, add the interior blend of φ 30 twin screw extruders and extrude preparation polyethylene/polyethylene terephthalate alloy granule, temperature 220-270 ℃, rotating speed 100rpm.The polyethylene that to obtain in (2) step/polyethylene terephthalate alloy granule is 50 parts at last, high density polyethylene(HDPE) mixes for 50 parts produces blow-molding polyethylene/polyethylene terephthalate alloy type single layer separated packaging material film, 180～280 ℃ of temperature, rotating speed 100rpm, blow-up ratio 4, ratio of drawing 2, thickness are 0.04mm.
2. with 100 parts of new LDPE (film grade)s [MI=1.5], 0.04 part of 4 parts of methylene-succinic acid and esters thereof and dicumyl peroxide add φ 65 single screw extrusion machine internal reactions and extrude preparation grafted polyethylene expanding material, 150～200 ℃ of temperature, 3 minutes time.The grafted polyethylene expanding material that to obtain in (1) step is 30 parts then, 30 parts of new LDPE (film grade)s [MI=1～2], 40 parts of polyethylene terephthalates, 0.3 part in DLTP oxidation inhibitor, add the interior blend of φ 65 twin screw extruders and extrude preparation polyethylene/polyethylene terephthalate alloy granule, 240～275 ℃ of temperature, rotating speed 100rpm.The polyethylene that to obtain in (2) step/60 parts of polyethylene terephthalate alloy granules and new LDPE (film grade) mix production blow-molding polyethylene/polyethylene terephthalate alloy type single layer separated packaging bottle for 40 parts at last, 140～170 ℃ of temperature, rotating speed 60rpm, blow-up ratio 2, bottle 500ml.
3. with 100 parts of linear polyethylenees [MI=4], 0.01 part of 1 part of methylene-succinic acid and ester thereof and dicumyl peroxide add φ 65 single screw extrusion machine internal reactions and extrude preparation grafted polyethylene expanding material, 120～190 ℃ of temperature, 2 minutes time.The grafted polyethylene expanding material that to obtain in (1) step is 20 parts then, 20 parts of linear polyethylenees, 0.5 part in 60 parts of polyethylene terephthalates and 264 oxidation inhibitor, add the interior blend of φ 65 twin screw extruders and extrude preparation polyethylene/polyethylene terephthalate alloy granule, 250～275 ℃ of temperature, rotating speed 100rpm.The polyethylene that to obtain in (2) step/polyethylene terephthalate pellet is 40 parts at last, 60 parts of linear polyethylenees, mix and produce blow-molding polyethylene/polyethylene terephthalate alloy type single layer separated packaging material film, 180～280 ℃ of temperature, rotating speed 100rpm, blow-up ratio 4, ratio of drawing 2.5, thickness is 0.03mm.
Claims (2)
1. polyethylene/polyethylene terephthalate alloy type single layer separated packaging material is characterized in that the recipe ingredient (parts by weights meter) of this separated packaging material is:
40～100 parts of the polyethylene of increase-volume/polyethylene terephthalate alloy granule
5～60 parts of polyethylene
Wherein, polyethylene is a high density polyethylene(HDPE), and [MI=1-50] is at least a for new LDPE (film grade) or linear polyethylene.
2. according to the manufacture method of the described polyethylene of claim 1/polyethylene terephthalate alloy type single layer separated packaging material, it is characterized in that:
(1) preparation of methylene-succinic acid and ester grafted polyethylene expanding material thereof
With 100 parts of polyethylene, 1～6 part of methylene-succinic acid and ester thereof, 0.01～1 part of dicumyl peroxide adds common forcing machine internal reaction and extrudes preparation grafted polyethylene expanding material, 100～220 ℃ of temperature, 2～8 minutes time,
(2) preparation of polyethylene/polyethylene terephthalate alloy granule
With (1) step gained grafted polyethylene expanding material 5-60 part, 0.1～2 part in oxidation inhibitor, 20～80 parts of polyethylene, 10～60 parts of polyethylene terephthalates, add the interior blend of twin screw extruder and extrude preparation polyethylene/polyethylene terephthalate alloy granule, 220～280 ℃ of temperature, rotating speed 70～200rpm
(3) preparation of polyethylene/polyethylene terephthalate alloy type single layer separated packaging material
With 20～95 parts of (2) step gained polyethylene/polyethylene terephthalate alloy granule, 5～80 parts of mixing of polyethylene, be directly used in injection, extrude, hollow and calendering formation, 180～280 ℃ of temperature, pressure 0.6～10MPa, rotating speed 20～200rpm produces plastics film, sheet, pipe, bottle and bucket
Wherein, oxidation inhibitor is 4[3, (3 ', 5 '-di-t-butyl-8 hydroxy phenyl) propionic acid] pentaerythritol ester, 2,6-di-t-butyl-4-methyl benzoic acid and thio-2 acid two lauric acid are at least a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98112011A CN1117122C (en) | 1998-05-18 | 1998-05-18 | Polyethylene polyethylene terephthalate alloy type single layer separated packaging material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98112011A CN1117122C (en) | 1998-05-18 | 1998-05-18 | Polyethylene polyethylene terephthalate alloy type single layer separated packaging material |
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| Publication Number | Publication Date |
|---|---|
| CN1235988A CN1235988A (en) | 1999-11-24 |
| CN1117122C true CN1117122C (en) | 2003-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN98112011A Expired - Fee Related CN1117122C (en) | 1998-05-18 | 1998-05-18 | Polyethylene polyethylene terephthalate alloy type single layer separated packaging material |
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| US8664308B2 (en) * | 2006-10-11 | 2014-03-04 | Universidad De Chile | Compatibilizers for producing nanocomposites, microcomposites and polymer blends and process for obtaining them |
| CN101434738B (en) * | 2008-06-06 | 2012-08-01 | 章鼎铭 | Polyester/polyethylene/phenylethylene-butadiene-phenylethylene block copolymer waste plastic alloy material and preparation thereof |
| CN102453302A (en) * | 2010-10-19 | 2012-05-16 | 冀州市华信玻璃钢有限责任公司 | Recycle method of glass fiber-reinforced plastic waste |
| CN102153800A (en) * | 2011-02-22 | 2011-08-17 | 青岛致远帕克塑料有限公司 | Composite mixture and preparation method thereof |
| CN104558762A (en) * | 2014-12-05 | 2015-04-29 | 南宁市金装塑料彩印有限公司 | Film for food and production method thereof |
| CN104987563A (en) * | 2015-05-25 | 2015-10-21 | 宁波高新区卓尔化工科技有限公司 | Environment-friendly plastic bottle |
| CN105801997A (en) * | 2016-04-07 | 2016-07-27 | 苏州市鼎立包装有限公司 | Gripping chain valve bag and preparation method thereof |
| CN109322215A (en) * | 2018-10-16 | 2019-02-12 | 马鞍山市康辉纸箱纸品有限公司 | A kind of preparation method of resistance to compression flame retardant type carton |
| CN111909436A (en) * | 2020-08-28 | 2020-11-10 | 新乡亿博环保科技有限公司 | Environment-friendly garbage collection barrel and preparation method thereof |
| CN115179632A (en) * | 2021-08-20 | 2022-10-14 | 苏州康福美医疗器材有限公司 | Low-temperature composite membrane and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5839447A (en) * | 1981-09-02 | 1983-03-08 | 東洋鋼鈑株式会社 | Manufacture of metallic plate coated with resin film |
| CN86101424A (en) * | 1985-03-11 | 1986-09-17 | 固特异轮胎和橡胶公司 | The production method of articles of fractional crystallised polyester |
| CN1132681A (en) * | 1994-12-06 | 1996-10-09 | 国际壳牌研究有限公司 | Process for producing thin-walled article |
| EP0767815A1 (en) * | 1994-06-28 | 1997-04-16 | Foster-Miller Inc. | Compatibilized lcp blends |
| JPH1077398A (en) * | 1996-09-02 | 1998-03-24 | Kuraray Co Ltd | Polyester resin composition |
-
1998
- 1998-05-18 CN CN98112011A patent/CN1117122C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5839447A (en) * | 1981-09-02 | 1983-03-08 | 東洋鋼鈑株式会社 | Manufacture of metallic plate coated with resin film |
| CN86101424A (en) * | 1985-03-11 | 1986-09-17 | 固特异轮胎和橡胶公司 | The production method of articles of fractional crystallised polyester |
| EP0767815A1 (en) * | 1994-06-28 | 1997-04-16 | Foster-Miller Inc. | Compatibilized lcp blends |
| CN1132681A (en) * | 1994-12-06 | 1996-10-09 | 国际壳牌研究有限公司 | Process for producing thin-walled article |
| JPH1077398A (en) * | 1996-09-02 | 1998-03-24 | Kuraray Co Ltd | Polyester resin composition |
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| CN1235988A (en) | 1999-11-24 |
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