CN102838867B - Nano modified material of polyurethane and polyethylene - Google Patents
Nano modified material of polyurethane and polyethylene Download PDFInfo
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- CN102838867B CN102838867B CN201210391724.4A CN201210391724A CN102838867B CN 102838867 B CN102838867 B CN 102838867B CN 201210391724 A CN201210391724 A CN 201210391724A CN 102838867 B CN102838867 B CN 102838867B
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Abstract
The invention discloses a nano modified material of polyurethane and polyethylene and relates to the field of plastic materials. The nano modified material comprises the following components in parts by weight: 100 parts of polyurethane PU100, 30-60 parts of polyethylene PE, 10-20 parts of environmental-friendly plasticizing agent, 6-10 parts of polyolefin polrvinyl chloride function modifying agent, 0.8-2.5 parts of nano material, 0.5-2.0 parts of antioxidant and 0.5-1.5 parts of lubricating agent. The nano modified material is obtained by the polyurethane and the polyethylene, has the characteristics of good elasticity, sound absorption, heat insulation, oil resistance, high temperature resistance, cold resistance, wear resistance and shock absorption, is mainly applied in the fields of manufacturing leather, high-pressure sealing pieces, mechanical equipment, automobiles, aviation, ships, diving equipment, instruments and medical instruments.
Description
Technical field
The present invention relates to plastic material field, be specifically related to urethane and polyethylene nano modified material.
Background technology
Urethane (PU), because of its distinctive good characteristic, has been widely used in coating, glue paste, printing, leather, weaving and building trade.The advantage of urethane has: wear-resisting, resistance to chemical attack, snappiness is good, cohesive strength is large, but shortcoming has: water tolerance is bad, physical strength is not high and cost is high.
Polyethylene (PE) has good resistance to low temperature, and minimum use temperature can reach-70 ℃～-100 ℃, and chemical stability is good, and the erosion of the most of soda acids of ability is insoluble to common solvent under normal temperature, and water-absorbent is little, electrical insulation capability is good.But polyethylene is very sensitive for environmental stress, heat-resistant aging is poor.
By the relative merits of above-mentioned urethane (PU) and polyethylene (PE), can overcome in conjunction with its advantage its shortcoming urethane and polyethylene are carried out modification and obtains nano modified material.
Summary of the invention
The object of the invention is to provide in order to overcome urethane and more poly weakness in prior art a kind of have good springiness, sound-absorbing, heat insulation, oil resistant, high temperature resistant, cold-resistant, wear-resisting and shock absorbing characteristics with urethane and polyethylene nano modified material.
Technical scheme of the present invention is as follows:
Urethane and polyethylene nano modified material, by following material form and its ratio of weight and number as follows:
Polyurethane PU 100;
Polythene PE 30～60;
Environment-friendly plasticizer 10～20;
Polyolefine polyvinyl chloride functional modifier 6～10;
Nano material 0.8～2.5;
Antioxidant 0.5～2.0;
Lubricant 0.5～1.5.
Above-mentioned urethane and polyethylene nano modified material, by following material form and its ratio of weight and number as follows:
Polyurethane PU 100;
Polythene PE 45;
Environment-friendly plasticizer 15;
Polyolefine polyvinyl chloride functional modifier 8;
Nano material 1.6;
Antioxidant 1.2;
Lubricant 1.0.
Above-mentioned environment-friendly plasticizer is cyclohexane 1, the mixture of one or more in 2-dioctyl phthalate diisononyl esters, tri-n-butyl citrate.
Above-mentioned polyolefine is that vinylbenzene, maleic anhydride, diethyl maleate and vinylchlorid make through mixing, heat and reacting in proportion with polyvinyl chloride functional modifier; The patent that public announcement of a patent application number is CN101759827A discloses this polyolefine and polyvinyl chloride functional and has changed the particular content of agent.
Above-mentioned nano material is one or more the mixture in active silica serial nano functional materials, active whisker nano-functional material, active aluminum nano-functional material.
Above-mentioned nano material size of particles is 6-100nm.
Above-mentioned antioxidant is 2,2'-methylene-bis-(4-methyl-6-tert-butylphenol), 1,1, the mixture of one or more in 3-tri-(2-methyl-4-hydroxyl-5-tert-butyl-phenyl) butane, four (3,5-di-t-butyl-4-hydroxyl) phenylpropionic acid pentaerythritol ester.
Above-mentioned lubricant is that n-butyl stearate is or/and oxidic polyethylene ester.
The preparation method of urethane and polyethylene nano modified material is: by polyurethane PU, polythene PE, environment-friendly plasticizer, polyolefine polyvinyl chloride functional modifier, nano material (anticipating), antioxidant and lubricant successively drop in reactor in proportion, mix, heat 50～120 ℃, react 15～60 minutes → material that reaction is completed put into get ready cold mixer or charge groove dispel the heat about 1-5 minute → by presetting the automatic twin screw extruder of automatically transporting materials pipeline → send into, regulate and manufacture temperature range 160-260 ℃, through extruding automatic pelletizing → input cooling water tank → automatic spin-drying → automatic screening suitable dimension particle diameter → check → finished product → packing, obtain urethane of the present invention and polyethylene nano modified material.
Beneficial effect of the present invention: the present invention obtains nano modified material by urethane and polyethylene are carried out to modification, this is material modified has good springiness, sound-absorbing, heat insulation, oil resistant, high temperature resistant, cold-resistant, wear-resisting and shock absorbing characteristics, is mainly used in fields such as manufacturing leather, high-pressure sealing ring, mechanical means, automobile, aviation field, boats and ships, diving outfit, instrument and medicine equipment.
Embodiment
Now the invention will be further elaborated in conjunction with specific embodiments.
Table 1: each embodiment consumption
Embodiment 1
By polyurethane PU 100kg, polythene PE 30kg, environment-friendly plasticizer 10kg, polyolefine polyvinyl chloride functional modifier 6kg, nano material 0.8kg, antioxidant 0.5kg and lubricant 0.5kg drop in reactor in proportion, mix, heat 50～120 ℃, react 15～60 minutes → by completely reacted material put into get ready cold mixer or charge groove dispel the heat about 1-5 minute → by presetting the automatic twin screw extruder of automatically transporting materials pipeline → send into, regulate and manufacture temperature range 160-260 ℃, through extruding automatic pelletizing → input cooling water tank → automatic spin-drying → automatic screening suitable dimension particle diameter → check → finished product → packing, obtain urethane of the present invention and polyethylene nano modified material.
The test result of table 2: embodiment 1
| Performance project | Testing standard | Test result |
| Hardness, Shore A | ASTM D2240 | 75 |
| Density | ASTM D792 | 1.15 |
| Tensile strength, MPa | ASTM D412 | 8.2 |
| Elongation at break, % | ASTM D412 | 520 |
| Embrittlement temperature, ℃ | ASTM D746 | -72 |
| UL temperature resistant grade, ℃ | UL62/94/1581 | ＞121 |
| Oil resistant grade, ℃ | UL62/94/1581 | 60 |
| Stopping property | Alwayseal | Well |
Embodiment 2
By polyurethane PU 100kg, polythene PE 45kg, environment-friendly plasticizer 15kg, polyolefine polyvinyl chloride functional modifier 8kg, nano material 1.6kg, antioxidant 1.2kg and lubricant 1kg drop in reactor in proportion, mix, heat 50～120 ℃, react 15～60 minutes → by completely reacted material put into get ready cold mixer or charge groove dispel the heat about 1-5 minute → by presetting the automatic twin screw extruder of automatically transporting materials pipeline → send into, regulate and manufacture temperature range 160-260 ℃, through extruding automatic pelletizing → input cooling water tank → automatic spin-drying → automatic screening suitable dimension particle diameter → check → finished product → packing, obtain urethane of the present invention and polyethylene nano modified material.
The test result of table 3: embodiment 2
| Performance project | Testing standard | Test result |
| Hardness, Shore A | ASTM D2240 | 70 |
| Density | ASTM D792 | 1.10 |
| Tensile strength, MPa | ASTM D412 | 8.0 |
| Elongation at break, % | ASTM D412 | 550 |
| Embrittlement temperature, ℃ | ASTM D746 | -72 |
| UL temperature resistant grade, ℃ | UL62/94/1581 | ＞121 |
| Oil resistant grade, ℃ | UL62/94/1581 | 60 |
| Stopping property | Alwayseal | Well |
Embodiment 3
By polyurethane PU 100kg, polythene PE 60kg, environment-friendly plasticizer 20kg, polyolefine polyvinyl chloride functional modifier 10kg, nano material 2.5kg, antioxidant 2kg and lubricant 1.5kg drop in reactor in proportion, mix, heat 50～120 ℃, react 15～60 minutes → by completely reacted material put into get ready cold mixer or charge groove dispel the heat about 1-5 minute → by presetting the automatic twin screw extruder of automatically transporting materials pipeline → send into, regulate and manufacture temperature range 160-260 ℃, through extruding automatic pelletizing → input cooling water tank → automatic spin-drying → automatic screening suitable dimension particle diameter → check → finished product → packing, obtain urethane of the present invention and polyethylene nano modified material.
The test result of table 4: embodiment 3
| Performance project | Testing standard | Test result |
| Hardness, Shore A | ASTM D2240 | 65 |
| Density | ASTM D792 | 1.09 |
| Tensile strength, MPa | ASTM D412 | 7.9 |
| Elongation at break, % | ASTM D412 | 595 |
| Embrittlement temperature, ℃ | ASTM D746 | -75 |
| UL temperature resistant grade, ℃ | UL62/94/1581 | ＞121 |
| Oil resistant grade, ℃ | UL62/94/1581 | 60 |
| Stopping property | Alwayseal | Well |
Table 2 to table 4 is the test result of embodiment 1 to 3, know from test result, urethane prepared by the present invention and polyethylene nano modified material have good springiness, sound-absorbing, heat insulation, oil resistant, high temperature resistant, cold-resistant, wear-resisting and shock absorbing characteristics, can be applicable to manufacture the fields such as leather, high-pressure sealing ring, mechanical means, automobile, aviation field, boats and ships, diving outfit, instrument and medicine equipment.
According to above-mentioned principle, the present invention can also carry out suitable change and modification to above-mentioned embodiment.Therefore, the present invention is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition,, although used some specific terms in this specification sheets, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (4)
1. urethane and polyethylene nano modified material, is characterized in that: by following material form and its ratio of weight and number as follows:
Polyurethane PU 100;
Polythene PE 30～60;
Environment-friendly plasticizer 10～20;
Polyolefine polyvinyl chloride functional modifier 6～10;
Nano material 0.8～2.5;
Antioxidant 0.5～2.0;
Lubricant 0.5～1.5;
Described environment-friendly plasticizer is cyclohexane 1, the mixture of one or more in 2-dioctyl phthalate diisononyl esters, tri-n-butyl citrate;
Described polyolefine is that vinylbenzene, maleic anhydride, diethyl maleate and vinylchlorid make through mixing, heat and reacting in proportion with polyvinyl chloride functional modifier;
Described nano material is one or more the mixture in active silica serial nano functional materials, active whisker nano-functional material, active aluminum nano-functional material;
Described lubricant is n-butyl stearate.
2. urethane according to claim 1 and polyethylene nano modified material, is characterized in that: by following material form and its ratio of weight and number as follows:
Polyurethane PU 100;
Polythene PE 45;
Environment-friendly plasticizer 15;
Polyolefine polyvinyl chloride functional modifier 8;
Nano material 1.6;
Antioxidant 1.2;
Lubricant 1.0.
3. urethane according to claim 1 and polyethylene nano modified material, is characterized in that: described nano material size of particles is 6-100nm.
4. urethane according to claim 1 and polyethylene nano modified material, it is characterized in that: described antioxidant is 2,2'-methylene-bis-(4-methyl-6-tert-butylphenol), 1,1, the mixture of one or more in 3-tri-(2-methyl-4-hydroxyl-5-tert-butyl-phenyl) butane, four (3,5-di-t-butyl-4-hydroxyl) phenylpropionic acid pentaerythritol ester.
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| CN201210391724.4A CN102838867B (en) | 2012-10-16 | 2012-10-16 | Nano modified material of polyurethane and polyethylene |
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| CN102838867B true CN102838867B (en) | 2014-05-28 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104448782A (en) * | 2014-11-24 | 2015-03-25 | 沈阳建筑大学 | Low-cost and high-performance thermoplastic polyurethane blend and preparation method thereof |
| CN105086421A (en) * | 2015-08-19 | 2015-11-25 | 巢湖子阳电器有限公司 | High-shock-resistance washing machine water level sensor shell |
| CN105200733A (en) * | 2015-08-19 | 2015-12-30 | 巢湖子阳电器有限公司 | Outer cover of water level sensor of washing machine |
| CN109777081A (en) * | 2017-11-10 | 2019-05-21 | 丹阳市日晟工业设备有限公司 | A kind of insulated plastic materials and parts |
| WO2019119250A1 (en) * | 2017-12-19 | 2019-06-27 | 陈正林 | Polymer wear-resistant belt capable of increasing wear resistance |
| CN109467731B (en) * | 2018-10-09 | 2021-10-01 | 常州百佳年代薄膜科技股份有限公司 | Production method of environment-friendly PIR plate material with thickness of 10mm |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4883837A (en) * | 1988-06-24 | 1989-11-28 | The Dow Chemical Company | Compatible blends of polyolefins with thermoplastic polyurethanes |
| CN101735511A (en) * | 2009-11-26 | 2010-06-16 | 洛阳石化聚丙烯有限责任公司 | Compatibilizer and polypropylene/polyurethane blending composite material and preparation method |
| CN101759827A (en) * | 2009-12-11 | 2010-06-30 | 东莞市三凯实业有限公司 | Polyolefin and polyvinyl chloride functional modifier |
-
2012
- 2012-10-16 CN CN201210391724.4A patent/CN102838867B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4883837A (en) * | 1988-06-24 | 1989-11-28 | The Dow Chemical Company | Compatible blends of polyolefins with thermoplastic polyurethanes |
| CN101735511A (en) * | 2009-11-26 | 2010-06-16 | 洛阳石化聚丙烯有限责任公司 | Compatibilizer and polypropylene/polyurethane blending composite material and preparation method |
| CN101759827A (en) * | 2009-12-11 | 2010-06-30 | 东莞市三凯实业有限公司 | Polyolefin and polyvinyl chloride functional modifier |
Non-Patent Citations (2)
| Title |
|---|
| PP/TPU/纳米SiO2复合材料的制备与性能研究;周红军;《化工新型材料》;20070731;第35卷(第7期);第78-80页 * |
| 周红军.PP/TPU/纳米SiO2复合材料的制备与性能研究.《化工新型材料》.2007,第35卷(第7期),第78-80页. |
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Effective date of registration: 20161222 Address after: 523000 Guangdong Province, Dongguan City Dongcheng District Zhouwu Industrial Zone No. 396 Patentee after: Guangdong three Kai new Mstar Technology Ltd Address before: Building B Library of Songshan Lake high tech Industrial Development Zone, Guangdong province Dongguan city 523000 building 301 room 3 Patentee before: Guangdong Sankai New Material Co., Ltd. |
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Effective date of registration: 20200116 Address after: 523000 room 423, building 1, No.1, Xuefu Road, Songshanhu Park, Dongguan City, Guangdong Province Patentee after: Guangdong Wangbang New Material Co., Ltd Address before: 523000 Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province, 520, 5th floor, G1 Building, University Innovation City Patentee before: Dongguan Jifu Environmental Protection Technology Co., Ltd. |