CN104004284A - High-toughness polystyrene sheet and manufacturing method thereof - Google Patents
High-toughness polystyrene sheet and manufacturing method thereof Download PDFInfo
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- CN104004284A CN104004284A CN201410255541.9A CN201410255541A CN104004284A CN 104004284 A CN104004284 A CN 104004284A CN 201410255541 A CN201410255541 A CN 201410255541A CN 104004284 A CN104004284 A CN 104004284A
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Abstract
The invention discloses a high-transmission and high-impact polystyrene sheet and a manufacturing method thereof. The sheet is composed of the following components in percentage by weight: 67% of general polystyrene, 30% of high impact polystyrene and 3% of white master batch. The manufacturing method comprises the following steps: mixing 67% of general polystyrene, 30% of high impact polystyrene and 3% of white master batch; extruding the mixture in a melting manner through an extruder, wherein the melting temperature is 180-250 DEG.C; sending the melt into a die head to cast into a thin sheet at 200-250 DEG.C; longitudinally and horizontally stretching and shaping the thick sheet to obtain a thin sheet; trimming the thin sheet, measuring thickness, coating silicone oil on a single surface./double surfaces, rolling, aging treating and slitting. The sheet disclosed by the invention is impact resistant, thin and uniform and high in light transmission, can be stacked easily, and can be widely applied to the packages of products such as foods, drugs, electronics, clothes and toys.
Description
Technical field
The present invention relates to technical field of polymer materials, relate in particular to a kind of high-toughness polystyrene sheet material and manufacture method thereof.
Background technology
Polystyrene film is a kind of novel green wrapping material that development in recent years is got up, the polyethylene using compared with tradition, polyvinyl chloride film etc., it has that intensity is high, rigidity is large, nontoxicity, easily degraded, easy coloring, have good glossiness and transparency, the advantage such as easy to process, be widely used in all kinds of article if artwork, daily necessities, metal products are particularly in the packing of food.Current developed countries, as the biaxially oriented polystyrene film consumption of the U.S., Canada, Japan etc., oneself accounts for the more than 60% of all film classes.
But, there are many weak points in common polystyrene material, as low in fragility, shock strength, be prone to cracking, fire-retardant fireproof is poor, weathering resistance is bad, heat-drawn wire is low etc., and because the current control temperature generally adopting in process of production makes the polystyrene film thickness produced excessive, can not meet the day by day wide application demand of client, these shortcomings have all limited the range of application of polystyrene greatly.
Thereby, need not reduce under the prerequisite of polystyrene material physical properties at present, need badly to material produce technique improve to obtain that thinness controllability is strong, good toughness, polystyrene sheet material that transmittance is high, meet the current market requirement.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of high-toughness polystyrene sheet material and manufacture method thereof, is guaranteeing to improve its resistance to impact shock and light transmission when it has excellent toughness.
For solving the problems of the technologies described above, the object of the invention is to be achieved through the following technical solutions.
A high-toughness polystyrene sheet material, its composition is (%) by weight ratio:
General Purpose Polystyrenre 67%;
High-impact polystyrene 30%;
White master material 3%.
A manufacture method for high-toughness polystyrene sheet material as mentioned above, comprises step:
(1) 67% General Purpose Polystyrenre, 30% high-impact polystyrene, 3% white master material are fully uniformly mixed resulting mixture by weight percentage;
(2) by described mixture by forcing machine through melt extruding, melt temperature is controlled between 180 ℃ to 250 ℃;
(3) melts is sent into die head and extrude, cast sheet, in die head, temperature is controlled between 200 ℃ to 250 ℃;
(4) sheet is first carried out to preheating on vertical drawing machine, carry out longitudinal stretching and sizing simultaneously; On horizontal drawing machine, carry out again preheating, carry out cross directional stretch and sizing simultaneously, obtain thin slice;
(5) described thin slice is carried out to deburring and thickness measuring, single-side/double-side is coated with silicone oil, after rolling, ageing treatment, cuts.
Preferably, between described step (1) and (2), also comprise step: described mixture is dropped into blower fan hopper, through roots blower, blow to moisture eliminator and carry out drying treatment.
Preferably, in described step (3), the mixture after by vacuum pump, drying being processed is drawn to the hopper of forcing machine.
Preferably, the preheating temperature of described vertical drawing machine is controlled between 50 ℃ to 150 ℃.
Preferably, the preheating temperature of described horizontal drawing machine is controlled between 100 ℃ to 150 ℃.
The present invention has following beneficial effect:
The present invention has improved the resistance to impact shock of sheet material by having increased HIPS; By the reasonable control to the melt temperature of forcing machine, die head temperature and longitudinal stretching speed, thickness and the uniformity coefficient of the polystyrene sheet material produced have been guaranteed, and high, the easy stacking of sheet material transmittance provided by the invention, the packing that can be widely used in the products such as food, medicine, electronics, clothes, toy, has met the market requirement greatly.
Accompanying drawing explanation
Fig. 1 is preparation method's schema of the high-toughness polystyrene sheet material that provides of the embodiment of the present invention.
Embodiment
High-toughness polystyrene sheet material provided by the invention, its composition is (%): GPPS (General Purpose Polystyrenre) 67% by weight ratio; HIPS (high-impact polystyrene) 30%, white master material 3%.
In the present invention, the complete processing of high-toughness polystyrene sheet material as shown in Figure 1, comprising:
1, first take by weight ratio GPPS, HIPS, white master material, mix; The raw material that mixes is dropped into hopper, through roots blower, blow to moisture eliminator and carry out drying treatment;
2, by vacuum pump, from moisture eliminator, extract the hopper that mixture is sent into forcing machine;
3, said mixture on forcing machine through melting, extrude, melt temperature is controlled between 180 ℃ to 250 ℃;
4, after filter filters out impurities, melts is sent into die head and extrude, cast sheet, in die head, temperature is controlled between 200 ℃ to 250 ℃;
5, sheet is carried out to preheating on vertical drawing machine, preheating temperature is controlled between 50 ℃ to 150 ℃, carries out longitudinal stretching and sizing simultaneously; The film obtaining is carried out on horizontal drawing machine to preheating, preheating temperature is controlled between 100 ℃ to 150 ℃, carries out cross directional stretch and sizing simultaneously again;
6, thin slice is carried out to deburring and thickness measuring, single-side/double-side is coated with silicone oil, then carries out rolling, and the packing of product that was cut into required specification at parent roll through 48 hours after ageing treatment is dispatched from the factory.
For ease of the present invention is further understood, now describe the present invention in conjunction with specific embodiments:
In the present embodiment, polystyrene sheet material is mixed in container by weight GPPS 67%, HIPS 30%, white master material 3%, drop into stub bar, through roots blower, dispel to moisture eliminator and carry out drying treatment.Afterwards, the material mixing is joined in the hopper of twin screw extruder, after melt blending, send into T-shaped die head and extrude sheet; Wherein, forcing machine processing temperature is 180 ℃-250 ℃, and die head temperature is 200 ℃-250 ℃.Then, to sheet carry out longitudinal stretching, cross directional stretch obtains thin slice, the preheating temperature of longitudinal stretching is 50 ℃, the preheating temperature of cross directional stretch is 100 ℃.Deburring thickness measuring, single-side/double-side is coated with silicone oil, and rolling, cuts after ageing treatment and obtains a sample in order to performance test.
Material properties test data are in Table 1:
Table 1
From above-mentioned the performance test results, apply raw material and the corresponding manufacture method of weight proportion of the present invention, the polystyrene of producing has that transmittance is high, thin thickness and the advantage such as even.
Above high-toughness polystyrene sheet material provided by the present invention and manufacture method thereof are described in detail, applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (6)
1. a high-toughness polystyrene sheet material, is characterized in that, its composition is (%) by weight ratio:
General Purpose Polystyrenre 67%;
High-impact polystyrene 30%;
White master material 3%.
2. a manufacture method for high-toughness polystyrene sheet material as claimed in claim 1, is characterized in that, comprises step:
(1) 67% General Purpose Polystyrenre, 30% high-impact polystyrene, 3% white master material are fully uniformly mixed resulting mixture by weight percentage;
(2) by described mixture by forcing machine through melt extruding, melt temperature is controlled between 180 ℃ to 250 ℃;
(3) melts is sent into die head and extrude, cast sheet, in die head, temperature is controlled between 200 ℃ to 250 ℃;
(4) sheet is first carried out to preheating on vertical drawing machine, carry out longitudinal stretching and sizing simultaneously; On horizontal drawing machine, carry out again preheating, carry out cross directional stretch and sizing simultaneously, obtain thin slice;
(5) described thin slice is carried out to deburring and thickness measuring, single-side/double-side is coated with silicone oil, after rolling, ageing treatment, cuts.
3. the manufacture method of high-toughness polystyrene sheet material as claimed in claim 2, it is characterized in that: between described step (1) and (2), also comprise step: described mixture is dropped into blower fan hopper, through roots blower, blow to moisture eliminator and carry out drying treatment.
4. the manufacture method of high-toughness polystyrene sheet material as claimed in claim 3, is characterized in that: in described step (3), the mixture after by vacuum pump, drying being processed is drawn to the hopper of forcing machine.
5. the manufacture method of high-toughness polystyrene sheet material as claimed in claim 2, is characterized in that: the preheating temperature of described vertical drawing machine is controlled between 50 ℃ to 150 ℃.
6. the manufacture method of high-toughness polystyrene sheet material as claimed in claim 2, is characterized in that: the preheating temperature of described horizontal drawing machine is controlled between 100 ℃ to 150 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410255541.9A CN104004284A (en) | 2014-06-10 | 2014-06-10 | High-toughness polystyrene sheet and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410255541.9A CN104004284A (en) | 2014-06-10 | 2014-06-10 | High-toughness polystyrene sheet and manufacturing method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104530581A (en) * | 2014-12-26 | 2015-04-22 | 深圳永合高分子材料有限公司 | Yellow polystyrene sheet and manufacturing method thereof |
| CN104629202A (en) * | 2014-12-26 | 2015-05-20 | 深圳永合高分子材料有限公司 | Blue high-impact polystyrene sheet and manufacture method thereof |
| CN104829956A (en) * | 2015-04-21 | 2015-08-12 | 侨健新能源科技（苏州）有限公司 | Compound bidirectionally-stretched polystyrene and method for manufacturing same |
| CN106928565A (en) * | 2016-03-25 | 2017-07-07 | 深圳市广聚泰塑料实业有限公司 | High glaze polystyrene resin and preparation method thereof |
| CN107446254A (en) * | 2017-08-25 | 2017-12-08 | 昆山恒光塑胶股份有限公司 | A kind of low-density high-ductility PS sheet materials |
| CN108099083A (en) * | 2017-12-25 | 2018-06-01 | 福州福启橡塑有限公司 | A kind of sheet rubber extrusion molding production line |
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| CN103030897A (en) * | 2012-12-14 | 2013-04-10 | 上海洛兴包装材料有限公司 | Anti-fog sheet and manufacturing method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104530581A (en) * | 2014-12-26 | 2015-04-22 | 深圳永合高分子材料有限公司 | Yellow polystyrene sheet and manufacturing method thereof |
| CN104629202A (en) * | 2014-12-26 | 2015-05-20 | 深圳永合高分子材料有限公司 | Blue high-impact polystyrene sheet and manufacture method thereof |
| CN104829956A (en) * | 2015-04-21 | 2015-08-12 | 侨健新能源科技（苏州）有限公司 | Compound bidirectionally-stretched polystyrene and method for manufacturing same |
| CN106928565A (en) * | 2016-03-25 | 2017-07-07 | 深圳市广聚泰塑料实业有限公司 | High glaze polystyrene resin and preparation method thereof |
| CN107446254A (en) * | 2017-08-25 | 2017-12-08 | 昆山恒光塑胶股份有限公司 | A kind of low-density high-ductility PS sheet materials |
| CN108099083A (en) * | 2017-12-25 | 2018-06-01 | 福州福启橡塑有限公司 | A kind of sheet rubber extrusion molding production line |
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Application publication date: 20140827 |