CN102673075A - High-toughness plastic composite sheet for food cup - Google Patents
High-toughness plastic composite sheet for food cup Download PDFInfo
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- CN102673075A CN102673075A CN2012101125700A CN201210112570A CN102673075A CN 102673075 A CN102673075 A CN 102673075A CN 2012101125700 A CN2012101125700 A CN 2012101125700A CN 201210112570 A CN201210112570 A CN 201210112570A CN 102673075 A CN102673075 A CN 102673075A
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Abstract
The invention discloses a high-toughness plastic composite sheet for a food cup. The high-toughness plastic composite sheet comprises four layers of sheets, which form a hierarchical structure formed by sequentially arranging the layer B/the layer A/the layer B/the layer C. The high-toughness plastic composite sheet disclosed by the invention can balance the rigidity and the toughness of a product according to needs, optimize the cost to a greater extent, realize very high toughness and anti-impact property, be used at the temperature of minus 20-minus 30 DEG C, be recycled and reduce the cost of the product.
Description
Technical field
The present invention relates to the plastics field, exactly is that a kind of food cup is used the high toughness plastic composite sheet.
Background technology
Because traditional BOPS, PVC sheet material need special equipment production, generally mostly the required BOPS of thermoforming enterprise, PVC sheet material are outsourcing.PVC leftover pieces enterprise oneself can't utilize in addition, and it is very low again to reclaim price, has increased the production cost of enterprise.Another reason is that the PVC reclaimed materials is prone to pollute other plastics; Therefore to especially note aborning, this just to production operation bring some bother along with plastic applications more and more widely, urgent need will be developed the rigidity and the toughness of equilibrium product on demand; Cost is more optimized; Also have high toughness and impact resistance simultaneously, be applicable to the thermoforming packaging for foodstuff of high degree of dimensional stability, like the novel plastic sheet material of goblet, salad plate, prepared food dish and cutlery box with cover etc.
Summary of the invention
The purpose of this invention is to provide a kind of high toughness and impact resistance, be applicable to the thermoforming packaging for foodstuff of high degree of dimensional stability, use the high toughness plastic composite sheet like the food cup of goblet, salad plate, prepared food dish and cutlery box with cover etc.
Above-mentioned purpose realizes through following scheme:
A kind of food cup is used the high toughness plastic composite sheet, it is characterized in that: it is four sheets with hierarchy of arranging in regular turn according to layer B/ layer A/ layer B/ layer C;
Described layer A processed by the raw material of following weight parts: impact polystyrene blend 20-25, feed back 200-210, thermoplastic rubber 12-17, look female 5-6 account for the 70-75% of total sheet weight by weight percentage;
Described layer B processed by the raw material of following weight parts: impact polystyrene blend 90-110, look female 3-5, by weight percentage two in the four sheets structures layer by layer B respectively account for the 10-15% of total sheet weight respectively;
Described layer C refers to by General Purpose Polystyrenre and processes, and accounts for the 2-3% of total sheet weight by weight percentage;
Described impact polystyrene blend is to be processed by the raw material of following weight parts: impact resistant polystyrene HIPS 90-110; Antioxidant 0.4-0.6; Styrene analog thermoplastic elastomer 38-42, ethylene bis stearamide 0.4-0.6, calcium carbonate 4-6; Organo montmorillonite 2-4, novolac resin 5-8.
Described a kind of food cup is used the high toughness plastic composite sheet, it is characterized in that:
Described layer A processed by the raw material of following weight parts: impact polystyrene blend 25, feed back 207, thermoplastic rubber 15, look mother 4.5 account for 71.5% of total sheet weight by weight percentage;
Described layer B processed by the raw material of following weight parts: impact polystyrene blend 100, look female are 4, account for by weight percentage two in 26%, the four sheets structure of total sheet weight layer by layer B respectively account for 13% of total sheet weight;
Described layer C refers to by General Purpose Polystyrenre and processes, and accounts for 2.5% of total sheet weight by weight percentage;
Described impact polystyrene blend is to be processed by the raw material of following weight parts: impact resistant polystyrene HIPS 100, antioxidant 0.5, styrene analog thermoplastic elastomer 40; Ethylene bis stearamide 0.5; Calcium carbonate 5, organo montmorillonite 3, novolac resin 6.
Described a kind of food cup is used the high toughness plastic composite sheet; It is characterized in that: described look female is that the extra white look female; Described feed back is that sheet material is made remaining leftover pieces in the cup process; The model of described impact resistant polystyrene HIPS is 466F, and the grain diameter of described calcium carbonate is the 1-10 micron.
Described a kind of food cup is used the high toughness plastic composite sheet, it is characterized in that: described antioxidant is antioxidant 245 or antioxidant 215.
Described food cup is used the plastics composite sheet, it is characterized in that: it is to be made through coextrusion processes by each raw material.
Described food cup is used the plastics composite sheet, it is characterized in that:
The preparation method is: the raw material of every laminate material is stirred in mixed-hopper separately in proportion; Fully after the drying; With the extruding machine to each layer correspondence that each raw material proportionally distributes, the extruding machine body temperature is controlled at 200-220 ℃, and each layer raw material that will distribute again is expressed in the same distributor; Be extruded into pressure roller equipment through die head, being extruded to shape promptly gets product.
Described food cup is used the plastics composite sheet, it is characterized in that: described die head is the T die.
Beneficial effect of the present invention is:
1, the present invention's rigidity and toughness of equilibrium product is on demand more optimized cost, has high toughness and impact resistance, can recycle the reduction product cost in the subzero 30 ℃ of uses of subzero 20-;
2, the present invention is suitable for thermoforming packaging for foodstuff such as goblet, salad plate, prepared food dish and the cutlery box with cover etc. of requirement high degree of dimensional stability.
The specific embodiment
A kind of food cup is used the high toughness plastic composite sheet, it is characterized in that: it is four sheets with hierarchy of arranging in regular turn according to layer B/ layer A/ layer B/ layer C;
Described layer A processed by the raw material of following weight parts: impact polystyrene blend 25, feed back 207, thermoplastic rubber 15, look mother 4.5 account for 71.5% of total sheet weight by weight percentage;
Described layer B processed by the raw material of following weight parts: impact polystyrene blend 100, look female are 4, account for by weight percentage two in 26%, the four sheets structure of total sheet weight layer by layer B respectively account for 13% of total sheet weight;
Described layer C refers to by General Purpose Polystyrenre and processes, and accounts for 2.5% of total sheet weight by weight percentage;
Described impact polystyrene blend is to be processed by the raw material of following weight parts: impact resistant polystyrene HIPS 100, antioxidant 0.5, styrene analog thermoplastic elastomer 40; Ethylene bis stearamide 0.5; Calcium carbonate 5, organo montmorillonite 3, novolac resin 6.
Described look mother is that the extra white look female, and described feed back is that sheet material is made remaining leftover pieces in the cup process, and the model of described impact resistant polystyrene HIPS is 466F, and the grain diameter of described calcium carbonate is the 1-10 micron.
Described a kind of food cup is used the high toughness plastic composite sheet, it is characterized in that: described antioxidant is antioxidant 245 or antioxidant 215.
Described food cup is used the plastics composite sheet, it is characterized in that: it is to be made through coextrusion processes by each raw material.
Described food cup is used the plastics composite sheet, it is characterized in that:
The preparation method is: the raw material of every laminate material is stirred in mixed-hopper separately in proportion; Fully after the drying; With the extruding machine to each layer correspondence that each raw material proportionally distributes, the extruding machine body temperature is controlled at 200-220 ℃, and each layer raw material that will distribute again is expressed in the same distributor; Be extruded into pressure roller equipment through die head, being extruded to shape promptly gets product.
Described food cup is used the plastics composite sheet, it is characterized in that: described die head is the T die.
This product normal temperature impact strength 42kj/m2, the impact strength 25.3kj/m of low temperature-42 ℃, hot strength 16.1MPa, elongation at break 113%.Have high toughness and impact resistance, can be in the subzero 30 ℃ of uses of subzero 20-.
Claims (7)
1. a food cup is used the high toughness plastic composite sheet, it is characterized in that: it is four sheets with hierarchy of arranging in regular turn according to layer B/ layer A/ layer B/ layer C;
Described layer A processed by the raw material of following weight parts: impact polystyrene blend 20-25, feed back 200-210, thermoplastic rubber 12-17, look female 5-6 account for the 70-75% of total sheet weight by weight percentage;
Described layer B processed by the raw material of following weight parts: impact polystyrene blend 90-110, look female 3-5, by weight percentage two in the four sheets structures layer by layer B respectively account for the 10-15% of total sheet weight respectively;
Described layer C refers to by General Purpose Polystyrenre and processes, and accounts for the 2-3% of total sheet weight by weight percentage;
Described impact polystyrene blend is to be processed by the raw material of following weight parts: impact resistant polystyrene HIPS 90-110; Antioxidant 0.4-0.6; Styrene analog thermoplastic elastomer 38-42, ethylene bis stearamide 0.4-0.6, calcium carbonate 4-6; Organo montmorillonite 2-4, novolac resin 5-8.
2. a kind of food cup according to claim 1 is used the high toughness plastic composite sheet, it is characterized in that:
Described layer A processed by the raw material of following weight parts: impact polystyrene blend 25, feed back 207, thermoplastic rubber 15, look mother 4.5 account for 71.5% of total sheet weight by weight percentage;
Described layer B processed by the raw material of following weight parts: impact polystyrene blend 100, look female are 4, account for by weight percentage two in 26%, the four sheets structure of total sheet weight layer by layer B respectively account for 13% of total sheet weight;
Described layer C refers to by General Purpose Polystyrenre and processes, and accounts for 2.5% of total sheet weight by weight percentage;
Described impact polystyrene blend is to be processed by the raw material of following weight parts: impact resistant polystyrene HIPS 100, antioxidant 0.5, styrene analog thermoplastic elastomer 40; Ethylene bis stearamide 0.5; Calcium carbonate 5, organo montmorillonite 3, novolac resin 6.
3. a kind of food cup according to claim 1 is used the high toughness plastic composite sheet; It is characterized in that: described look female is that the extra white look female; Described feed back is that sheet material is made remaining leftover pieces in the cup process; The model of described impact resistant polystyrene HIPS is 466F, and the grain diameter of described calcium carbonate is the 1-10 micron.
4. a kind of food cup according to claim 1 is used the high toughness plastic composite sheet, it is characterized in that: described antioxidant is antioxidant 245 or antioxidant 215.
5. food cup according to claim 1 is used the plastics composite sheet, it is characterized in that: it is to be made through coextrusion processes by each raw material.
6. food cup according to claim 1 is used the plastics composite sheet, it is characterized in that:
The preparation method is: the raw material of every laminate material is stirred in mixed-hopper separately in proportion; Fully after the drying; With the extruding machine to each layer correspondence that each raw material proportionally distributes, the extruding machine body temperature is controlled at 200-220 ℃, and each layer raw material that will distribute again is expressed in the same distributor; Be extruded into pressure roller equipment through die head, being extruded to shape promptly gets product.
7. food cup according to claim 6 is used the plastics composite sheet, it is characterized in that: described die head is the T die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210112570.0A CN102673075B (en) | 2012-04-17 | 2012-04-17 | High-toughness plastic composite sheet for food cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210112570.0A CN102673075B (en) | 2012-04-17 | 2012-04-17 | High-toughness plastic composite sheet for food cup |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102673075A true CN102673075A (en) | 2012-09-19 |
| CN102673075B CN102673075B (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210112570.0A Expired - Fee Related CN102673075B (en) | 2012-04-17 | 2012-04-17 | High-toughness plastic composite sheet for food cup |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4312802A (en) * | 1977-08-31 | 1982-01-26 | United States Steel Corporation | Polymer compositions and articles therefrom |
| JP2004142242A (en) * | 2002-10-24 | 2004-05-20 | Sekisui Plastics Co Ltd | Laminated polystyrene resin foam sheet, container made of the sheet, and method for manufacturing the sheet |
| CN201068267Y (en) * | 2007-08-08 | 2008-06-04 | 卓高泰(广州)包装有限公司 | Sheet material for packing foodstuff |
| CN102250417A (en) * | 2011-05-26 | 2011-11-23 | 卓高泰(广州)包装有限公司 | Sheet for packaging container and manufacturing method for sheet |
| CN102286194A (en) * | 2011-06-23 | 2011-12-21 | 福建师范大学 | Method for preparing plastic logistics boxes by using reclaimed polyethylene glycol terephthalate films |
-
2012
- 2012-04-17 CN CN201210112570.0A patent/CN102673075B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4312802A (en) * | 1977-08-31 | 1982-01-26 | United States Steel Corporation | Polymer compositions and articles therefrom |
| JP2004142242A (en) * | 2002-10-24 | 2004-05-20 | Sekisui Plastics Co Ltd | Laminated polystyrene resin foam sheet, container made of the sheet, and method for manufacturing the sheet |
| CN201068267Y (en) * | 2007-08-08 | 2008-06-04 | 卓高泰(广州)包装有限公司 | Sheet material for packing foodstuff |
| CN102250417A (en) * | 2011-05-26 | 2011-11-23 | 卓高泰(广州)包装有限公司 | Sheet for packaging container and manufacturing method for sheet |
| CN102286194A (en) * | 2011-06-23 | 2011-12-21 | 福建师范大学 | Method for preparing plastic logistics boxes by using reclaimed polyethylene glycol terephthalate films |
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| CN102673075B (en) | 2015-05-06 |
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Granted publication date: 20150506 |