CN101791859A - Manufacturing method of ultra-high molecular weight polyethylene radiation-resistant plate - Google Patents
Manufacturing method of ultra-high molecular weight polyethylene radiation-resistant plate Download PDFInfo
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- CN101791859A CN101791859A CN200910232223A CN200910232223A CN101791859A CN 101791859 A CN101791859 A CN 101791859A CN 200910232223 A CN200910232223 A CN 200910232223A CN 200910232223 A CN200910232223 A CN 200910232223A CN 101791859 A CN101791859 A CN 101791859A
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- molecular weight
- weight polyethylene
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- radiation
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Abstract
The invention discloses a manufacturing method of an ultra-high molecular weight polyethylene radiation-resistant plate, comprising the process steps of: weighing 80-120 parts by mass of ultra-high molecular weight polyethylene and 6-10 parts by mass of boron carbide, and sufficiently stirring for 8-10min; then packing the mixture into a die cavity, sintering at the high temperature of 220-260 DEG C and the pressure of 23-27MPa; and then keeping the temperature and the pressure, cooling and forming. In the technical scheme, the boron carbide is added in the ultra-high molecular weight polyethylene, thus the plate prepared by the components has the performance of simultaneously resisting the radiation of various rays and lowers the cost for resisting.
Description
One, technical field
The invention belongs to the radiation-resistant plate technical field, particularly a kind of preparation method who contains the ultra-high molecular weight polyethylene radiation-resistant plate of boron carbide.
Two, background technology
Ultra-high molecular weight polyethylene (UHMWPE) is meant that viscosity average molecular weigh greater than 1,500,000 polyethylene, is a kind of thermoplastic engineering plastic of excellent combination property.The domestic material that is adopted aspect radioresistance often can only be prevented certain radiation merely at present, and has several radiation in a kind of work condition environment simultaneously, often will take appropriate measures respectively, causes cost higher.And employing patented product of the present invention can resist the radiation of multiple ray simultaneously, and cost is lower.
Three, summary of the invention
Technical problem: the present invention is directed to above-mentioned technological gap, a kind of sheet material that can resist multiple radiation simultaneously is provided.
Technical scheme: a kind of manufacture method of ultra-high molecular weight polyethylene radiation-resistant plate, processing step is: get ultra-high molecular weight polyethylene 80～120 mass parts, boron carbide 6～10 mass parts, fully stirred 8-10 minute; The die cavity of then mixture being packed into, under 23～27MPa pressure through 220～260 ℃ of high temperature sinterings, heat-insulation pressure keeping cooling forming.
Boracic quality 〉=92% of described boron carbide.
The mass ratio of described ultra-high molecular weight polyethylene and boron carbide is 25: 2.
The pressure of described high temperature sintering is 25MPa, and temperature is 240 ℃.
Beneficial effect: the technical program has been added boron carbide in ultra-high molecular weight polyethylene, makes the sheet material that is made by this component have the performance of protecting multiple x radiation x simultaneously, has reduced the protection input cost.
Four, the specific embodiment
Embodiment 1:
A kind of manufacture method of ultra-high molecular weight polyethylene radiation-resistant plate, processing step is: get ultra-high molecular weight polyethylene 80 mass parts, boron carbide 6 mass parts, fully stirred 8 minutes; The die cavity of then mixture being packed into, under 23MPa pressure through 220 ℃ of high temperature sinterings, boracic quality 〉=92% of the described boron carbide of heat-insulation pressure keeping cooling forming.
Embodiment 2:
A kind of manufacture method of ultra-high molecular weight polyethylene radiation-resistant plate, processing step is: get ultra-high molecular weight polyethylene 120 mass parts, boron carbide 10 mass parts, fully stirred 10 minutes; The die cavity of then mixture being packed into, under 27MPa pressure through 260 ℃ of high temperature sinterings, boracic quality 〉=92% of the described boron carbide of heat-insulation pressure keeping cooling forming.
Embodiment 3:
A kind of manufacture method of ultra-high molecular weight polyethylene radiation-resistant plate, processing step is: get ultra-high molecular weight polyethylene 100 mass parts, boron carbide 8 mass parts, fully stirred 9 minutes; The die cavity of then mixture being packed into, under 25MPa pressure through 240 ℃ of high temperature sinterings, boracic quality 〉=92% of the described boron carbide of heat-insulation pressure keeping cooling forming.
Embodiment 4
Experiment detects through Physics Inst., Chinese Academy of Sciences, with its x of ultra-high molecular weight polyethylene radiation-resistant plate of the present invention or gamma-rays, when they stop fully in air, generation will descend 69% with a kind of absolute value (dQ/dm) of the quantity of electric charge of ion of symbol in air, when the proton with similar number, neutron and be under the state of same nuclear energy attitude, its rejection rate that the ray that radiated after spontaneous fission takes place reaches 85%.
Claims (4)
1. the manufacture method of a ultra-high molecular weight polyethylene radiation-resistant plate is characterized in that processing step is:
A, get ultra-high molecular weight polyethylene 80～120 mass parts, boron carbide 6～10 mass parts, fully stirred 8-10 minute;
B, will go up the mixture that makes of the step die cavity of packing into then, under 23～27MPa pressure through 220～260 ℃ of high temperature sinterings, heat-insulation pressure keeping cooling forming.
2. the manufacture method of ultra-high molecular weight polyethylene radiation-resistant plate according to claim 1 is characterized in that boracic quality 〉=92% of described boron carbide.
3. the manufacture method of ultra-high molecular weight polyethylene radiation-resistant plate according to claim 1, the mass ratio that it is characterized in that described ultra-high molecular weight polyethylene and boron carbide is 25: 2.
4. the manufacture method of ultra-high molecular weight polyethylene radiation-resistant plate according to claim 1, the pressure that it is characterized in that described high temperature sintering is 25MPa, temperature is 240 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910232223A CN101791859A (en) | 2009-12-10 | 2009-12-10 | Manufacturing method of ultra-high molecular weight polyethylene radiation-resistant plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910232223A CN101791859A (en) | 2009-12-10 | 2009-12-10 | Manufacturing method of ultra-high molecular weight polyethylene radiation-resistant plate |
Publications (1)
| Publication Number | Publication Date |
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| CN101791859A true CN101791859A (en) | 2010-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910232223A Pending CN101791859A (en) | 2009-12-10 | 2009-12-10 | Manufacturing method of ultra-high molecular weight polyethylene radiation-resistant plate |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013155891A1 (en) * | 2012-04-16 | 2013-10-24 | Xia Huasong | Highly polymeric fiber of boron carbide |
| CN104538073A (en) * | 2014-12-26 | 2015-04-22 | 江苏龙腾门业有限公司 | Neutron shield door |
| CN104610637A (en) * | 2015-01-19 | 2015-05-13 | 中国船舶重工集团公司第七一九研究所 | Processing method of boron-containing ultra-high molecular weight polyethylene board |
| CN105400054A (en) * | 2015-12-29 | 2016-03-16 | 卓达新材料科技集团有限公司 | Anti-radiation plate and preparation method thereof |
-
2009
- 2009-12-10 CN CN200910232223A patent/CN101791859A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013155891A1 (en) * | 2012-04-16 | 2013-10-24 | Xia Huasong | Highly polymeric fiber of boron carbide |
| US9187618B2 (en) | 2012-04-16 | 2015-11-17 | Huasong Xia | Boron carbide high polymeric fiber |
| CN104538073A (en) * | 2014-12-26 | 2015-04-22 | 江苏龙腾门业有限公司 | Neutron shield door |
| CN104610637A (en) * | 2015-01-19 | 2015-05-13 | 中国船舶重工集团公司第七一九研究所 | Processing method of boron-containing ultra-high molecular weight polyethylene board |
| CN104610637B (en) * | 2015-01-19 | 2017-05-17 | 中国船舶重工集团公司第七一九研究所 | Processing method of boron-containing ultra-high molecular weight polyethylene board |
| CN105400054A (en) * | 2015-12-29 | 2016-03-16 | 卓达新材料科技集团有限公司 | Anti-radiation plate and preparation method thereof |
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Open date: 20100804 |