CN103509306A - Modified polystyrene resin with low cost and high impact resistance and preparation method of modified polystyrene resin - Google Patents
Modified polystyrene resin with low cost and high impact resistance and preparation method of modified polystyrene resin Download PDFInfo
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- CN103509306A CN103509306A CN201210215674.4A CN201210215674A CN103509306A CN 103509306 A CN103509306 A CN 103509306A CN 201210215674 A CN201210215674 A CN 201210215674A CN 103509306 A CN103509306 A CN 103509306A
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- polystyrene resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
Abstract
The invention belongs to the technical field of polymer materials and discloses a modified polystyrene resin and a preparation method thereof. The resin is prepared from the following components in parts by weight: 48-99 parts of high-impact polystyrene, 1-50 parts of transparent polystyrene, 0-8 parts of inorganic filler, 0.1-1.2 parts of antioxidant and 0.1-0.5 part of lubricating agent. The preparation method of the modified polystyrene resin comprises the steps of mixing 48-99 parts of high-impact polystyrene, 1-50 parts of transparent polystyrene, 0-8 parts of inorganic filler, 0.1-1.2 part of antioxidant and 0.1-0.5 part of lubricating agent under the condition of 60-90 DEG C for 5-20min through a high-speed mixer, and then, standing for later use; feeding the mixed material into a double screw extruder through a feeding device, shearing the mixed material through a screw rod, mixing, conveying, and sufficiently fusing the mixed material; finally, extruding, bracing and cooling to obtain modified polystyrene granules. According to the invention, the cost of the modified polystyrene resin is reduced, and meanwhile, the high-impact polystyrene still has very high impact resistance, favorable comprehensive performance and good surface gloss.
Description
Technical field
The invention belongs to technical field of polymer materials, relate to high impact modified polystyrene resin of a kind of low cost and preparation method thereof.
Background technology
High-impact polystyrene (HIPS) is a kind of common resins for universal use, HIPS over-all properties well, easily processing, be widely used in casing of domestic electrical equipment, electrical appliance, instrument accessory, televisor telephone case, refrigerator lining etc., HIPS is for ABS, advantage is that its relative cost is lower, but still can not meet the demand in many markets, continuous rising along with current world market oil price, the price of HIPS has also raised up 30% ~ 40% thereupon, so there is on the market the plastic prod of many HIPS feed backs and HIPS blending feed back.
And a lot of producers are in order to reduce costs used feed back, but it does not have regular information, the one, make product unstable, the 2nd, a lot of feed backs are not got rid of because of the remaining auxiliary agent in the middle of original material and paint etc. environmentally hazardous composition in the process of recycling, so do not meet environmental requirement, same produced product just contains environmentally harmful composition.It is a kind of very common method that inorganic fill reduces material cost, but along with being easy to cause the decline of product mechanical property and the reduction of material surface glossiness adding of inorganic filler.
Summary of the invention
Defect for prior art, the object of this invention is to provide the high impact modified polystyrene resin of a kind of low cost, this resin adopts inorganics filled, and add transparent polystyrene simultaneously, improvement is because of the inorganics filled glossiness decline problem causing, and the comprehensive mechanical property that makes HIPS changes less, obtain lower cost simultaneously.
Another object of the present invention is to provide a kind of preparation method of above-mentioned modified polystyrene resin, in the method, adopt inorganics filled, reduced the cost of material, and add transparent polystyrene simultaneously, improvement, because the inorganics filled mechanical property likely causing reduces and unsettled situation, makes material can possess good glossiness simultaneously.
For achieving the above object, technical scheme of the present invention is as follows:
The invention provides a kind of modified polystyrene resin, this resin is made by the component that comprises following weight part:
The present invention further provides a kind of modified polystyrene resin, this resin is made by the component that comprises following weight part:
Described high-impact polystyrene resin is injection grade high-impact polystyrene resin.
Described transparent polystyrene is injection grade transparent polystyrene resin, and the type resin has advantage on cost.
Described inorganic filler is selected from one or more in magnesium hydroxide, nano-calcium carbonate, talcum powder, barium sulfate or mica.
Described oxidation inhibitor is selected from one or more in Hinered phenols antioxidant or phosphite ester kind antioxidant.
Described Hinered phenols antioxidant is selected from 2,6-di-tert-butyl-4-methy phenol (antioxidant 264), 2, one or more of 4,6-tri-butyl-phenol (oxidation inhibitor 246) or 2,2'-thiobis (4-methyl-6-tert-butylphenol) (antioxidant 2246).
Described phosphite ester kind antioxidant is selected from β-(4 '-hydroxyl-3 ', 5 '-di-tert-butyl-phenyl) vinylformic acid octadecyl ester (antioxidant 1076), triphenyl phosphite, trisnonylphenyl phosphite, three (2,4-tert-butyl-phenyl) phosphorous acid ester (irgasfos 168) or four [methylene radical-3,-3 ', 5-(di-t-butyl-4-hydroxyl-phenyl) vinylformic acid] one or more of methane (antioxidant 1010).
Described lubricant is selected from stearic acid, calcium stearate, Zinic stearas, fatty acid mixture, N, one or more in N '-ethylene bis stearamide (EBS), polyethylene wax or methyl-silicone oil.
The present invention also provides a kind of preparation method of above-mentioned modified polystyrene, and the method comprises the following steps:
(1) by 48 ~ 99 parts of high-impact polystyrenes, 1 ~ 50 part of transparent polystyrene, 0 ~ 8 part of inorganic filler, 0.1 ~ 1.2 part of oxidation inhibitor and 0.1 ~ 0.5 part of lubricant, by high-speed mixer, under 60 ~ 90 ℃ of conditions, mix after 5 ~ 20min, standby;
(2) by pay-off, the above-mentioned material mixing is sent in twin screw extruder, mixture is through the shearing of screw rod, mixing and carry, fusion fully, finally by crossing, extrude, tie rod, cooling after, make modified polystyrene pellet.
The temperature setting in described each district of twin screw extruder is set to: 160 ℃ ~ 180 ℃, I district, 160 ℃ ~ 180 ℃, II district, 165 ℃ ~ 200 ℃, 165 ℃ ~ 190℃， V district, 165 ℃ ~ 190℃， IV district, III district, 165 ℃ ~ 200 ℃, VI district, 185 ℃ ~ 225 ℃, 175 ℃ ~ 220℃， VIIII district, 175 ℃ ~ 215℃， VIII district, VII district, 185 ℃ ~ 230 ℃, X district, 200 ℃ ~ 230 ℃ of head temperatures.
The present invention compared with prior art, has the following advantages and beneficial effect:
1, the method reducing costs with existing conventional feed back is compared, and the present invention does not exist any environmental protection hidden danger, can test by ROHS, has solved some restrictions that brought by ROHS instruction, and can guarantee the stability of product.In addition, utilize the filling of inorganic mineral to reduce production cost, contribute to keep the stable mechanical property of product and the glossiness that helps to improve product adding of transparent polystyrene simultaneously, in existing production technique, only need make small adjustment, technique simple possible.
2, the present invention is when reducing product cost, make high-impact polystyrene still keep very high impact-resistance, over-all properties is good, and show good surface gloss, be applicable to low cost and performance requirement his-and-hers watches and see glossiness and have the household appliances of requirement and electronic product as casing of domestic electrical equipment, electrical appliance, instrument accessory etc.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
In following examples: HIPS is the injection grade high-impact polystyrene resin for household electric appliances, its trade mark is Shanghai match section, 888G; The reason of selecting injection grade high-impact polystyrene resin is to be household electric appliances dog-eat-dog, and the requirement of product cost is strictly controlled, and object of the present invention is more suitable for the field that household electric appliances etc. are more focused on cost; PS is injection grade transparent polystyrene resin, and its trade mark is strange beautiful, PG22; Inorganic filler is breeze magnesium hydroxide 5000 orders (commercially available) and nano-calcium carbonate 3200 orders (commercially available).
The preparation method of embodiment 1 ~ 7:
(1) by the formula rate in table 1, high-impact polystyrene, transparent polystyrene, inorganic filler, oxidation inhibitor and lubricant are put into 70 ℃ of high-speed mixers, after mixing 10min fully mixes, standby;
(2) by pay-off, mixture is sent in twin screw extruder, mixture the shearing of screw rod, mixing and carry under fusion fully, finally by crossing, extrude, tie rod, cooling after, make pellet.Wherein, the temperature setting in each district of twin screw extruder is set to: 191 ℃, 190℃， X district, 181℃， VIIII district, 180℃， VIII district, 179℃， VII district, 175℃， VI district, 170℃， V district, 171℃， IV district, 162℃， III district, 160℃， II district, I district, 200 ℃ of head temperatures.
Mixture is made standard batten through screw rod injection moulding, carries out every Mechanics Performance Testing and glossiness test.Testing standard and the results are shown in Table 2.
Table 1
Table 2
As can be seen from Table 2, in the present invention by adding the resulting performance base instinct of composition of inorganic filler to meet the performance requirement in the application such as normal household electrical appliances, and compared with comparative example, more there is improvement in bending stretch, the introducing of transparent polystyrene makes product performance more stable, there is good surface gloss simultaneously, because of its cost, so suitability is wider.
Embodiment 8
(1) by 99 parts of high-impact polystyrenes, 1 part of transparent polystyrene, 0.1 part of antioxidant 264 and 0.1 part of stearic acid, by high-speed mixer, under 90 ℃ of conditions, mix after 5min, standby;
(2) by pay-off, the above-mentioned material mixing is sent in twin screw extruder, mixture is through the shearing of screw rod, mixing and carry, fusion fully, finally by crossing, extrude, tie rod, cooling after, make modified polystyrene pellet.
The temperature setting in described each district of twin screw extruder is set to: 185 ℃, 185℃， X district, 175℃， VIIII district, 175℃， VIII district, 165℃， VII district, 165℃， VI district, 165℃， V district, 165℃， IV district, 160℃， III district, 160℃， II district, I district, 200 ℃ of head temperatures.
Embodiment 9
(1) by 99 parts of high-impact polystyrenes, 50 parts of transparent polystyrenes, 3 parts of talcum powder, 3 parts of barium sulfate, 2 parts of micas, 246,0.2 part of antioxidant 2246 of 0.2 part of oxidation inhibitor, 0.2 part of antioxidant 1010,0.1 part of calcium stearate, 0.1 part of Zinic stearas, 0.1 part of polyethylene wax and 0.1 part of methyl-silicone oil, by high-speed mixer, under 60 ℃ of conditions, mix after 20min, standby;
(2) by pay-off, the above-mentioned material mixing is sent in twin screw extruder, mixture is through the shearing of screw rod, mixing and carry, fusion fully, finally by crossing, extrude, tie rod, cooling after, make modified polystyrene pellet.
The temperature setting in described each district of twin screw extruder is set to: 230 ℃, 225℃， X district, 220℃， VIIII district, 215℃， VIII district, 200℃， VII district, 200℃， VI district, 190℃， V district, 190℃， IV district, 180℃， III district, 180℃， II district, I district, 230 ℃ of head temperatures.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not departing from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (10)
1. a modified polystyrene resin, is characterized in that: this resin is made by the component that comprises following weight part:
2. modified polystyrene resin according to claim 1, is characterized in that: this resin is made by the component that comprises following weight part:
3. modified polystyrene resin according to claim 1 and 2, is characterized in that: described high-impact polystyrene resin is injection grade high-impact polystyrene resin.
4. modified polystyrene resin according to claim 1 and 2, is characterized in that: described transparent polystyrene is injection grade transparent polystyrene resin.
5. modified polystyrene resin according to claim 1 and 2, is characterized in that: described inorganic filler is selected from one or more in magnesium hydroxide, nano-calcium carbonate, talcum powder, barium sulfate or mica.
6. modified polystyrene resin according to claim 1 and 2, is characterized in that: described oxidation inhibitor is selected from one or more in Hinered phenols antioxidant or phosphite ester kind antioxidant.
7. modified polystyrene resin according to claim 6, it is characterized in that: described Hinered phenols antioxidant is selected from 2,6 di tert butyl 4 methyl phenol, 2,4, one or more of 6-tri-butyl-phenol or 2,2'-thiobis (4-methyl-6-tert-butylphenol);
Described phosphite ester kind antioxidant is selected from β-(4 '-hydroxyl-3 ', 5 '-di-tert-butyl-phenyl) vinylformic acid octadecyl ester, triphenyl phosphite, trisnonylphenyl phosphite, three (2,4-tert-butyl-phenyl) phosphorous acid ester or four [methylene radical-3,-3 ', 5-(di-t-butyl-4-hydroxyl-phenyl) vinylformic acid] one or more of methane.
8. modified polystyrene resin according to claim 1 and 2, it is characterized in that: described lubricant is selected from stearic acid, calcium stearate, Zinic stearas, fatty acid mixture, N, one or more in N '-ethylene bis stearamide, polyethylene wax or methyl-silicone oil.
9. the preparation method of the arbitrary described modified polystyrene resin of claim 1 to 8, is characterized in that: the method comprises the following steps:
(1) by 48 ~ 99 parts of high-impact polystyrenes, 1 ~ 50 part of transparent polystyrene, 0 ~ 8 part of inorganic filler, 0.1 ~ 1.2 part of oxidation inhibitor and 0.1 ~ 0.5 part of lubricant, by high-speed mixer, under 60 ~ 90 ℃ of conditions, mix after 5 ~ 20min, standby;
(2) by pay-off, the above-mentioned material mixing is sent in twin screw extruder, mixture is through the shearing of screw rod, mixing and carry, fusion fully, finally by crossing, extrude, tie rod, cooling after, make modified polystyrene pellet.
10. the preparation method of modified polystyrene resin according to claim 9, it is characterized in that: the temperature setting in described each district of twin screw extruder is set to: 165 ℃ ~ 190 ℃, 160 ℃ ~ 180℃， III district, 160 ℃ ~ 180℃， II district, I district, 165 ℃ ~ 190 ℃, IV district, 175 ℃ ~ 215 ℃, 165 ℃ ~ 200℃， VII district, 165 ℃ ~ 200℃， VI district, V district, 175 ℃ ~ 220 ℃, VIII district, 185 ℃ ~ 230 ℃, 185 ℃ ~ 225℃， X district, VIIII district, 200 ℃ ~ 230 ℃ of head temperatures.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819864A (en) * | 2014-02-25 | 2014-05-28 | 王崇高 | Modified HIPS resin |
| CN104312069A (en) * | 2014-09-23 | 2015-01-28 | 金宝丽科技（苏州）有限公司 | HIPS composite material with high strength and high cost performance and preparation method thereof |
| CN104497464A (en) * | 2014-12-24 | 2015-04-08 | 金发科技股份有限公司 | High-rigidity high-fluidity polystyrene composition and preparation method and application thereof |
| CN105218047A (en) * | 2015-08-30 | 2016-01-06 | 常州市鼎日环保科技有限公司 | A kind of preparation method of high strength foam concrete building block |
| CN105504637A (en) * | 2015-12-31 | 2016-04-20 | 苏州井上高分子新材料有限公司 | Low-gloss HIPS (high impact polystyrene) modified resin and preparation method thereof |
| CN106751090A (en) * | 2016-12-20 | 2017-05-31 | 佛山市高明区塑料行业协会 | A kind of new polystyrene plastics |
| CN107266844A (en) * | 2017-07-21 | 2017-10-20 | 安徽江淮汽车集团股份有限公司 | A kind of bloom scratch-resistant flame retardant PS composites and preparation method thereof |
| CN107868381A (en) * | 2017-12-23 | 2018-04-03 | 刘家记 | A kind of shock resistance plastic capacitor shell |
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| DE10226749B4 (en) * | 2002-06-14 | 2014-09-04 | Basf Se | Process for producing expandable polystyrene |
| CN102464855A (en) * | 2010-11-15 | 2012-05-23 | 上海锦湖日丽塑料有限公司 | Aesthetic resin for improving white blink effect and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103819864A (en) * | 2014-02-25 | 2014-05-28 | 王崇高 | Modified HIPS resin |
| CN104312069A (en) * | 2014-09-23 | 2015-01-28 | 金宝丽科技（苏州）有限公司 | HIPS composite material with high strength and high cost performance and preparation method thereof |
| CN104497464A (en) * | 2014-12-24 | 2015-04-08 | 金发科技股份有限公司 | High-rigidity high-fluidity polystyrene composition and preparation method and application thereof |
| CN104497464B (en) * | 2014-12-24 | 2017-11-17 | 成都金发科技新材料有限公司 | A kind of high rigidity high fluidity polyphenylacetylene combination and its preparation method and application |
| CN105218047A (en) * | 2015-08-30 | 2016-01-06 | 常州市鼎日环保科技有限公司 | A kind of preparation method of high strength foam concrete building block |
| CN105504637A (en) * | 2015-12-31 | 2016-04-20 | 苏州井上高分子新材料有限公司 | Low-gloss HIPS (high impact polystyrene) modified resin and preparation method thereof |
| CN106751090A (en) * | 2016-12-20 | 2017-05-31 | 佛山市高明区塑料行业协会 | A kind of new polystyrene plastics |
| CN107266844A (en) * | 2017-07-21 | 2017-10-20 | 安徽江淮汽车集团股份有限公司 | A kind of bloom scratch-resistant flame retardant PS composites and preparation method thereof |
| CN107868381A (en) * | 2017-12-23 | 2018-04-03 | 刘家记 | A kind of shock resistance plastic capacitor shell |
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