CN102975456B - The antiseized barrier film of a kind of polyethylene-polypropylene layered metal composite - Google Patents
The antiseized barrier film of a kind of polyethylene-polypropylene layered metal composite Download PDFInfo
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- CN102975456B CN102975456B CN201210527241.2A CN201210527241A CN102975456B CN 102975456 B CN102975456 B CN 102975456B CN 201210527241 A CN201210527241 A CN 201210527241A CN 102975456 B CN102975456 B CN 102975456B
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Abstract
The invention provides the antiseized barrier film of a kind of polyethylene-polypropylene layered metal composite, be made up of the component of following masses percentage: high temperature resistant inorganic thing 55 ~ 75%, polypropylene 3 ~ 8%, polyethylene 15 ~ 30%, coupling agent 2 ~ 5%, lubricant 2 ~ 5%.Said components raw material fed intake in proportion, fully carries out after dispersion again rubbing after mixed at high speed, plastify, extrude, granulation, obtain master batch; Then master batch is obtained the antiseized barrier film of polyethylene-polypropylene layered metal composite by extruding calendering.Can effectively reduce costs; The antiseized barrier film of polyethylene-polypropylene polypropylene 3 ~ 8% used, polyethylene is 15 ~ 30%, has the mechanical properties such as excellent ductility, tensile strength, elongation after fracture; The antiseized barrier film thickness of polyethylene-polypropylene is 0.3 ~ 0.8mm, and grammes per square metre is 700 ~ 1300g/m
2, there is pliability and possess antiseized buffer action simultaneously, being applicable to the composite billet of compression of metals than 15 ~ 40 times.
Description
Technical field
The present invention relates to the antiseized barrier film of a kind of polyethylene-polypropylene layered metal composite, belong to antiseized barrier material technical field.
Background technology
Layered metal composite adopts hot rolling method to produce usually, and production technology is assembly-rolling-post processing.General first by parent metal material and plied timber combination of materials to manufacture composite billet, then composite billet is carried out hot rolling, realizes the separation of upper/lower layer metallic composite through postprocessing working procedures.Its composite principle is the metallurgical binding being realized parent metal and plied timber by the phase counterdiffusion between metallic atom.Time prepared by composite billet, antiseized interleaving agent (film) must be applied between upper and lower plied timber material, play a part to prevent plied timber from boning in the operation of rolling, to guarantee the separation realizing upper/lower layer metallic composite in postprocessing working procedures.Suitable antiseized interleaving agent (film) ensures that composite billet rolling is successfully crucial.If antiseized interleaving agent (film) addition is not enough, easily causes the skewness of high temperature resistant insulating powder during hot rolling, cause the bonding of subregion plied timber, upper and lower double layer of metal composite time serious, can be caused cannot to realize being separated.Antiseized interleaving agent (film) is too much, will cause the mass defects such as metallic composite clad surface impression, pit.Therefore interleaving agent (film) addition and specification must be determined according to the Combined roll plate gauge lattice of composite billet specification and rolling.
At present, what layered metal composite manufactured that field adopts is that a kind of polyethylene film filling-modified by high temperature resistant inorganic thing or polypropylene screen are as antiseized barrier film.Polyethylene separators has good pliability, is suitable for the antiseized barrier film that production specification is 0.1 ~ 0.5mm Thin Specs, for the composite billet of compression of metals than≤15; In addition, for ensureing barrier film uniformity, institute's content inorganic filling granularity requirements is 600 ~ 1000 orders, and inorganic matter cost is higher.Polypropylene barrier film has relatively high deflection, but pliability is not as good as polyethylene film, and its inorganic matter granularity is 200 ~ 600 orders, film thickness 0.7 more than mm, is suitable for being applied to the composite billet of compression of metals than >=30 times.
Summary of the invention
The object of the invention is to the deficiency overcoming existing polyethylene or the antiseized barrier film technology of polypropylene, provide a kind of polyethylene-polypropylene layered metal composite antiseized barrier film, its compression of metals ratio is 15 ~ 30, has good malleability.
The present invention is realized by following technical proposal: the antiseized barrier film of a kind of polyethylene-polypropylene layered metal composite, it is characterized in that being made up of the component of following masses percentage:
High temperature resistant inorganic thing 55 ~ 75%, polypropylene 3 ~ 8%,
Polyethylene 15 ~ 30%, coupling agent 2 ~ 5%,
Lubricant 2 ~ 5%.
Described high temperature resistant inorganic thing is granularity is 400 ~ 800 object light magnesium oxides, aluminium oxide, molybdenum bisuphide, graphite, boron carbide, zinc oxide or titanium oxide.
Described polyacrylic melt index (MI) is 2 ~ 4g/10min.
Described poly melt index (MI) is 2 ~ 6g/10min.
Described coupling agent is any one in silane coupler, aluminate coupling agent, titanate coupling agent, chelating titanate coupling agent.
Described lubricant is one or more in stearic acid, paraffin, Tissuemat E, and several between mass ratio be arbitrary.
The antiseized barrier film of polyethylene-polypropylene layered metal composite provided by the invention is obtained by following method: fed intake in proportion by said components raw material, fully carry out after dispersion again rubbing after mixed at high speed 15 ~ 20 minutes, plasticizing, extruding, granulation, obtain master batch; Then master batch is obtained the antiseized barrier film of polyethylene-polypropylene layered metal composite by extruding calendering.
The fusing point of the high temperature resistant inorganic thing that the present invention adopts is greater than 1000 DEG C; Coupling agent can improve the dispersiveness of high temperature resistant inorganic thing in polyethylene-polypropylene, promotes its filling capacity in polyethylene-polypropylene; Lubricant can improve the processing characteristics of polyethylene-polypropylene, the mobility of the product mix of enhanced polyethylene-polypropylene and refractory oxide, improve whole material melt flow rate (MFR); The melt index (MI) of polythene material is 2 ~ 4g/10min, and temperature is greater than 300 DEG C of decomposition; The melt index (MI) of polypropylene material is 2 ~ 6g/10min, and temperature is greater than 350 DEG C of decomposition.
The advantage that the present invention possesses and effect as follows:
(1) the order number of high temperature resistant inorganic thing that the antiseized barrier film of polyethylene-polypropylene is filled is 400 ~ 800 orders, and filling rate is 55 ~ 75%, can effectively reduce costs;
(2) the antiseized barrier film of polyethylene-polypropylene polypropylene 3 ~ 8% used, polyethylene is 15 ~ 30%, has the mechanical properties such as excellent ductility, tensile strength, elongation after fracture;
(3) the antiseized barrier film thickness of polyethylene-polypropylene is 0.3 ~ 0.8mm, and grammes per square metre is 700 ~ 1300g/m
2, there is pliability and possess antiseized buffer action simultaneously, being applicable to the composite billet of compression of metals than 15 ~ 40 times.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described.
Embodiment 1
Get the raw materials ready by the component of following mass percent:
Granularity be 800 object aluminium oxide 70%,
Melt index (MI) be 2g/10min polypropylene 3%,
Melt index (MI) be 5g/10min polyethylene 20%,
Aluminate coupling agent 3%,
Tissuemat E 4%.
Said components raw material is fed intake in proportion, carry out rubbing after mixed at high speed is fully disperseed 20 minutes, plasticizing, extruding, granulation, obtain master batch; Then master batch is obtained the antiseized barrier film of polyethylene-polypropylene layered metal composite by 195 DEG C of extruding calenderings.Its thickness is 0.7mm, and fusing point test is 170 DEG C, and tensile strength, elongation after fracture, tensile index testing result are in table 1.
Table 1 polyethylene-polypropylene barrier film performance test results
| Tensile strength (Mpa) | Elongation at break (%) | Tensile index | |
| Laterally | 9.215 | 5.13 | 11.35 |
| Longitudinally | 5.987 | 4.89 | 7.534 |
Embodiment 2
Get the raw materials ready by the component of following mass percent:
Granularity be 600 object light magnesium oxides 65%,
Melt index (MI) be 3g/10min polypropylene 4%,
Melt index (MI) be 4g/10min polyethylene 27%,
Aluminate coupling agent 2%,
Tissuemat E 2%.
Said components raw material is fed intake in proportion, carry out rubbing after mixed at high speed is fully disperseed 15 minutes, plasticizing, extruding, granulation, obtain master batch; Then master batch is obtained the antiseized barrier film of polyethylene-polypropylene layered metal composite by 235 DEG C of extruding calenderings.Its thickness is 0.5mm, and fusing point test is 175 DEG C, and tensile strength, elongation after fracture, tensile index testing result are in table 2.
Table 2 polyethylene separators performance test results
| Tensile strength (Mpa) | Elongation at break (%) | Tensile index | |
| Laterally | 10.648 | 6.18 | 12.37 |
| Longitudinally | 6.248 | 5.91 | 9.143 |
Embodiment 3
Get the raw materials ready by the component of following mass percent:
Granularity be 400 object molybdenum bisuphide titaniums 75%,
Melt index (MI) be 4g/10min polypropylene 4%,
Melt index (MI) be 6g/10min polyethylene 15%,
Silane coupler 3%,
Stearic acid 3%.
Said components raw material is fed intake in proportion, carry out rubbing after mixed at high speed is fully disperseed 18 minutes, plasticizing, extruding, granulation, obtain master batch; Then master batch is obtained the antiseized barrier film of polyethylene-polypropylene layered metal composite by extruding calendering.Its thickness is 0.8mm, and fusing point test is 175 DEG C, and tensile strength, elongation after fracture, tensile index testing result are in table 3.
Table 3 polyethylene separators performance test results
| Tensile strength (Mpa) | Elongation at break (%) | Tensile index | |
| Laterally | 7.142 | 4.69 | 10.12 |
| Longitudinally | 5.647 | 4.23 | 7.031 |
Embodiment 4
Get the raw materials ready by the component of following mass percent:
Granularity be 600 ~ 800 object graphite 55%,
Melt index (MI) be 3g/10min polypropylene 8%,
Melt index (MI) be 3g/10min polyethylene 30%,
Titanate coupling agent 5%,
Stearic acid and paraffin 2%.
Said components raw material is fed intake in proportion, carry out rubbing after mixed at high speed is fully disperseed 20 minutes, plasticizing, extruding, granulation, obtain master batch; Then master batch is obtained the antiseized barrier film of polyethylene-polypropylene layered metal composite by extruding calendering.Its thickness is 0.3mm, and fusing point test is 170 DEG C, and tensile strength, elongation after fracture, tensile index testing result are in table 4.
Table 4 polyethylene separators performance test results
| Tensile strength (Mpa) | Elongation at break (%) | Tensile index | |
| Laterally | 10.218 | 6.01 | 11.27 |
| Longitudinally | 6.014 | 5.27 | 8.173 |
Embodiment 5
Get the raw materials ready by the component of following mass percent:
Granularity be 400 ~ 600 object boron carbides 65%,
Melt index (MI) be 4g/10min polypropylene 6%,
Melt index (MI) be 3g/10min polyethylene 20%,
Chelating titanate coupling agent 4%,
Paraffin 5%.
Said components raw material is fed intake in proportion, carry out rubbing after mixed at high speed is fully disperseed 15 minutes, plasticizing, extruding, granulation, obtain master batch; Then master batch is obtained the antiseized barrier film of polyethylene-polypropylene layered metal composite by extruding calendering.Said components raw material is fed intake in proportion, fully carry out after dispersion again rubbing after mixed at high speed 20 minutes, plasticizing, extruding, granulation, obtain master batch; Then master batch is obtained the antiseized barrier film of polyethylene-polypropylene layered metal composite by extruding calendering.Its thickness is 0.4mm, and fusing point test is 175 DEG C, and tensile strength, elongation after fracture, tensile index testing result are in table 5.
Table 5 polyethylene separators performance test results
| Tensile strength (Mpa) | Elongation at break (%) | Tensile index | |
| Laterally | 10.013 | 5.94 | 10.68 |
| Longitudinally | 6.217 | 5.13 | 8.178 |
Embodiment 6
Get the raw materials ready by the component of following mass percent:
Granularity be 400 ~ 500 object zinc oxide 70%,
Melt index (MI) be 4g/10min polypropylene 8%,
Melt index (MI) be 6g/10min polyethylene 15%,
Chelating titanate coupling agent 4%,
Stearic acid and Tissuemat E 3%.
Said components raw material is fed intake in proportion, carry out rubbing after mixed at high speed is fully disperseed 18 minutes, plasticizing, extruding, granulation, obtain master batch; Then master batch is obtained the antiseized barrier film of polyethylene-polypropylene layered metal composite by extruding calendering.Its thickness is 0.8mm, and fusing point test is 175 DEG C, and tensile strength, elongation after fracture, tensile index testing result are in table 6.
Table 6 polyethylene separators performance test results
| Tensile strength (Mpa) | Elongation at break (%) | Tensile index | |
| Laterally | 8.643 | 5.79 | 11.01 |
| Longitudinally | 5.923 | 4.78 | 8.16 |
Embodiment 7
Get the raw materials ready by the component of following mass percent:
Granularity be 500 ~ 600 object titanium oxide 65%,
Melt index (MI) be 4g/10min polypropylene 5%,
Melt index (MI) be 4g/10min polyethylene 20%,
Titanate coupling agent 5%,
Stearic acid 5%.
Said components raw material is fed intake in proportion, fully carry out after dispersion again rubbing after mixed at high speed 20 minutes, plasticizing, extruding, granulation, obtain master batch; Then master batch is obtained the antiseized barrier film of polyethylene-polypropylene layered metal composite by extruding calendering.Its thickness is 0.5mm, and fusing point test is 170 DEG C, and tensile strength, elongation after fracture, tensile index testing result are in table 7.
Table 7 polyethylene separators performance test results
| Tensile strength (Mpa) | Elongation at break (%) | Tensile index | |
| Laterally | 10.217 | 7.03 | 10.68 |
| Longitudinally | 6.213 | 5.74 | 8.763 |
Claims (3)
1. the application of the antiseized barrier film of polyethylene-polypropylene in preparation layered metal composite, is characterized in that described polyethylene-polypropylene barrier film is made up of the component of following masses percentage:
High temperature resistant inorganic thing 55 ~ 75%, polypropylene 3 ~ 8%,
Polyethylene 15 ~ 30%, coupling agent 2 ~ 5%,
Lubricant 2 ~ 5%;
Described high temperature resistant inorganic thing is granularity is 400 ~ 800 object light magnesium oxides, aluminium oxide, molybdenum bisuphide, graphite, zinc oxide or titanium oxide;
Described coupling agent is any one in silane coupler, aluminate coupling agent, titanate coupling agent;
Described lubricant is one or more in stearic acid, paraffin, Tissuemat E.
2. the application of the antiseized barrier film of polyethylene-polypropylene in preparation layered metal composite according to claim 1, is characterized in that: described polyacrylic melt index (MI) is 2 ~ 4g/10min.
3. the application of the antiseized barrier film of polyethylene-polypropylene in preparation layered metal composite according to claim 1, is characterized in that: described poly melt index (MI) is 2 ~ 6g/10min.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0930811B1 (en) * | 1998-01-19 | 2003-08-20 | MITSUI MINING & SMELTING CO., LTD. | Composite copper foil, process for preparing the same, and copper-clad laminate and printed wiring board using the same |
| CN101701079A (en) * | 2009-10-30 | 2010-05-05 | 昆明春叶塑料制成品有限公司 | Preparation method of polyethylene mulching film master batch for magnesium salt whisker reinforced smoke |
| CN102079828A (en) * | 2010-12-15 | 2011-06-01 | 上海大学 | Preparation method of high-content superfine inorganic powder master batch for filling plastic |
| CN102127287A (en) * | 2011-01-31 | 2011-07-20 | 上海长园维安电子线路保护股份有限公司 | Conductive composite material and PTC (Positive Temperature Coefficient) thermal sensitive element prepared from same |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0930811B1 (en) * | 1998-01-19 | 2003-08-20 | MITSUI MINING & SMELTING CO., LTD. | Composite copper foil, process for preparing the same, and copper-clad laminate and printed wiring board using the same |
| CN101701079A (en) * | 2009-10-30 | 2010-05-05 | 昆明春叶塑料制成品有限公司 | Preparation method of polyethylene mulching film master batch for magnesium salt whisker reinforced smoke |
| CN102079828A (en) * | 2010-12-15 | 2011-06-01 | 上海大学 | Preparation method of high-content superfine inorganic powder master batch for filling plastic |
| CN102127287A (en) * | 2011-01-31 | 2011-07-20 | 上海长园维安电子线路保护股份有限公司 | Conductive composite material and PTC (Positive Temperature Coefficient) thermal sensitive element prepared from same |
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