CN102219975A - Modified high impact polystyrene composite material and preparation process thereof - Google Patents
Modified high impact polystyrene composite material and preparation process thereof Download PDFInfo
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- CN102219975A CN102219975A CN 201110158865 CN201110158865A CN102219975A CN 102219975 A CN102219975 A CN 102219975A CN 201110158865 CN201110158865 CN 201110158865 CN 201110158865 A CN201110158865 A CN 201110158865A CN 102219975 A CN102219975 A CN 102219975A
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Abstract
The invention relates to a modified high impact polystyrene composite material and a preparation process thereof. The composite material is prepared from the following raw materials in percentage by weight: 10-50wt% of calcium sulfate, 10-40wt% of corn starch, 20-60wt% of high impact resistant polystyrene, 1-10wt% of antioxidant 1010 and 1-20wt% of stearic acid. The invention also provides the preparation process of the modified high impact polystyrene composite material. The modified high impact polystyrene composite material has the advantages of good mechanical property, small formation shrinkage and low cost and can be used for replacing natural wood in the fields of indoor and outdoor decoration, building industry and the like.
Description
Technical field
The present invention relates to a kind of high-impact polystyrene (HIPS) composite material and preparation technology thereof, especially relate to a kind of modified high impact resistant polystyrene matrix material and preparation technology thereof.
Background technology
In recent years, high-impact polystyrene (HIPS) resin demand keeps increasing fast, particularly aspect building materials, is in rapid growth period in recent years; Along with the international paces of Chinese market strengthen, HIPS package resin material and tubing all will have wide development space in fields such as cement, chemical fertilizer, grain, food, beverage, medicine, washing composition, makeup, and its demand is corresponding to increase substantially; In addition, automobile, communication, field of traffic also are rapid growth to the demand of HIPS resin.But the high-impact polystyrene price is higher, and impact strength is lower in engineering plastics, and range of application is very limited.
Summary of the invention
The technical problem to be solved in the present invention is, overcomes the deficiencies in the prior art, provides a kind of mechanical property good, and shaping shrinkage rate is little, modified high impact resistant polystyrene matrix material and preparation technology thereof that cost is low.
The present invention solve the technical problem the technical scheme that is adopted:
The present invention's modified high impact resistant polystyrene matrix material is made by following raw materials by weight percent: calcium sulfate 10-50 wt%, W-Gum 10-40wt%, high-impact polystyrene (HIPS) 20-60 wt%, antioxidant 1010 1-10 wt%, stearic acid 1-20wt%.
Preferred weight percent is: calcium sulfate 15wt%, W-Gum 15wt%, high-impact polystyrene (HIPS) 60 wt%, antioxidant 1010 5wt%, stearic acid 5wt%.
The preparation technology of the present invention's modified high impact resistant polystyrene matrix material may further comprise the steps:
(1) calcium sulfate is pulverized, crossed 100 mesh sieves, place the dry 23-25 of baking oven hour (preferred 24 hours) of 90-110 ℃ (preferred 100 ℃); Dry back adds in the high-speed mixer, adds antioxidant 1010 and stearic acid, mixes 12-18 minute (preferred 15 minutes) down at 45-55 ℃ (preferred 50 ℃);
(2) W-Gum is placed the dry 2-3 of baking oven hour (preferred 2 hours) of 60-80 ℃ (preferred 70 ℃);
(3) the dried W-Gum of high-impact polystyrene, step (1) gained mixture and step (2) is added 15-25 minute (preferred 20 minutes) of physical agitation mixing in the high-speed mixer;
(4) place forcing machine to extrude in step (3) gained mixture, granulation.
The present invention adds stearic acid calcium sulfate is carried out the surface active modification, can improve the consistency of calcium sulfate and starch, can improve the flowability of melt and the surface flatness of matrix material as lubricant simultaneously.
The present invention's modified high impact resistant polystyrene matrix material, mechanical property is good, and shaping shrinkage rate is little, and cost is low, can replace natural timber to be used for fields such as indoor and outdoor decoration, construction industry.
Embodiment
Below in conjunction with specific embodiment the present invention is described in further detail.
Each embodiment raw material weight proportioning sees Table 1.
Starting material provider is as follows:
The calcium sulfate powder, Hebei Xingtai Shuanghua Plaster Products Co., Ltd.;
W-Gum, the farsighted development in science and technology company limited that reaches of Wuhan dragon;
HIPS/HP8250, the permanent trade Co., Ltd in Qidong;
Antioxidant 1010, Nanjing Jia Yin Science and Technology Ltd.;
Stearic acid, the Shanghai card is won industry and trade company limited.
The preparation method:
(1) calcium sulfate is pulverized, crossed 100 mesh sieves, place 100 ℃ dry 24 hours of baking oven; Dry back adds in the high-speed mixer, adds antioxidant 1010 and stearic acid, mixes 15 minutes down at 50 ℃;
(2) W-Gum is placed 70 ℃ dry 2 hours of baking oven;
(3) physical agitation in the dried W-Gum adding of high-impact polystyrene, step (1) gained mixture and step (2) high-speed mixer was mixed 20 minutes;
(4) place forcing machine to extrude in step (3) gained mixture, granulation.
Each embodiment product performance detects, and tensile strength is pressed the test of GB/T 1040-92 prescriptive procedure; Flexural strength is pressed the test of GB/T 1936.1-1991 prescriptive procedure, and shock strength is pressed the test of GB/T 1043-93 prescriptive procedure, and elongation at break is pressed the test of GB/T17200-1997 prescriptive procedure, and shrinking percentage is pressed the standard testing of GB/T 15585-1995 prescriptive procedure.
Table 1 embodiment 1-3 raw material weight proportioning
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Calcium sulfate (kg) | 15 | 15 | 20 |
| W-Gum (kg) | 15 | 20 | 15 |
| HIPS（kg） | 60 | 55 | 55 |
| Antioxidant 1010 (kg) | 5 | 2 | 2 |
| Stearic acid (kg) | 5 | 8 | 8 |
Table 2 embodiment 1-3 product performance detected result relatively
| ? | Tensile strength (MPa) | Flexural strength (MPa) | Shock strength (KJ/m 2） | Elongation at break/% | Shrinking percentage/% |
| Embodiment 1 | 57.6 | 100.4 | 16.7 | 3.8 | 0.5 |
| Embodiment 2 | 56.4 | 99.7 | 16.3 | 3.6 | 0.9 |
| Embodiment 3 | 55.3 | 98.3 | 15.9 | 3.7 | 0.7 |
Claims (4)
1. a modified high impact resistant polystyrene matrix material is characterized in that, is made by following raw materials by weight percent: calcium sulfate 10-50 wt%, W-Gum 10-40wt%, high-impact polystyrene 20-60 wt%, antioxidant 1010 1-10 wt%, stearic acid 1-20wt%.
2. modified high impact resistant polystyrene matrix material according to claim 1 is characterized in that, is made by following raw materials by weight percent: calcium sulfate 15wt%, W-Gum 15wt%, high-impact polystyrene 60 wt%, antioxidant 1010 5wt%, stearic acid 5wt%.
3. the preparation technology of a modified high impact resistant polystyrene matrix material as claimed in claim 1 or 2 is characterized in that, may further comprise the steps:
(1) calcium sulfate is pulverized, crossed 100 mesh sieves, place 90-110 ℃ the dry 23-25 of baking oven hour; Dry back adds in the high-speed mixer, adds antioxidant 1010 and stearic acid, mixes 12-18 minute down at 45-55 ℃;
(2) W-Gum is placed 60-80 ℃ the dry 2-3 of baking oven hour;
(3) physical agitation in the dried W-Gum adding of high-impact polystyrene, step (1) gained mixture and step (2) high-speed mixer was mixed 15-25 minute;
(4) place forcing machine to extrude in step (3) gained mixture, granulation.
4. the preparation technology of modified high impact resistant polystyrene matrix material according to claim 3 is characterized in that, may further comprise the steps:
(1) calcium sulfate is pulverized, crossed 100 mesh sieves, place 100 ℃ dry 24 hours of baking oven; Dry back adds in the high-speed mixer, adds antioxidant 1010 and stearic acid, mixes 15 minutes down at 50 ℃;
(2) W-Gum is placed 70 ℃ dry 2 hours of baking oven;
(3) physical agitation in the dried W-Gum adding of high-impact polystyrene, step (1) gained mixture and step (2) high-speed mixer was mixed 20 minutes;
(4) place forcing machine to extrude in step (3) gained mixture, granulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110158865 CN102219975B (en) | 2011-06-14 | 2011-06-14 | Modified high impact polystyrene composite material and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110158865 CN102219975B (en) | 2011-06-14 | 2011-06-14 | Modified high impact polystyrene composite material and preparation process thereof |
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| CN102219975A true CN102219975A (en) | 2011-10-19 |
| CN102219975B CN102219975B (en) | 2013-06-05 |
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| CN 201110158865 Active CN102219975B (en) | 2011-06-14 | 2011-06-14 | Modified high impact polystyrene composite material and preparation process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108727761A (en) * | 2018-06-06 | 2018-11-02 | 全椒祥瑞塑胶有限公司 | A method of improving high impact polystyrene dimensional stability |
-
2011
- 2011-06-14 CN CN 201110158865 patent/CN102219975B/en active Active
Non-Patent Citations (4)
| Title |
|---|
| 《Plastics Technology》 20091231 无 HIPS/Starch Blends Add Renewable Content 27 1-2 第55卷, 第12期 * |
| 《Plastics Technology》 20091231 无 HIPS/Starch Blends Add Renewable Content 27 3-4 第55卷, 第12期 * |
| 《现代塑料加工应用》 20090831 周超等 硫酸钙晶须在HIPS中的应用 45-48 1-2 第21卷, 第4期 * |
| 《现代塑料加工应用》 20090831 周超等 硫酸钙晶须在HIPS中的应用 45-48 3-4 第21卷, 第4期 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108727761A (en) * | 2018-06-06 | 2018-11-02 | 全椒祥瑞塑胶有限公司 | A method of improving high impact polystyrene dimensional stability |
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| CN102219975B (en) | 2013-06-05 |
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Effective date of registration: 20160823 Address after: An Industrial Park Economic Development Zone, Changde City, Hunan province Linli County 415200 Patentee after: Hunan Fu Xiang new type building material Co., Ltd. Address before: 410005, 12 floor, Haidong mansion, Furong Road, Changsha, Hunan Patentee before: Liu Liwen |