CN102167857A - Maleic anhydride-grafted ethylene propylene rubber modified polyethylene board and preparation method thereof - Google Patents
Maleic anhydride-grafted ethylene propylene rubber modified polyethylene board and preparation method thereof Download PDFInfo
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- CN102167857A CN102167857A CN2010101169748A CN201010116974A CN102167857A CN 102167857 A CN102167857 A CN 102167857A CN 2010101169748 A CN2010101169748 A CN 2010101169748A CN 201010116974 A CN201010116974 A CN 201010116974A CN 102167857 A CN102167857 A CN 102167857A
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- maleic anhydride
- propylene rubber
- ethylene
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- grafted maleic
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Abstract
The invention discloses a maleic anhydride-grafted ethylene propylene rubber modified polyethylene board. The board is characterized by comprising the following raw materials in parts by weight: 80-120 parts of polyethylene, 0.5-1.5 parts of antioxidant and 15-25 parts of maleic anhydride-grafted ethylene propylene rubber. The invention also discloses a preparation method of the board. The board is prepared from a polyethylene material board. Experiments prove that the modified board has higher strength and elasticity; the high/low temperature resistant time and the ageing resistant time can be increased by more than five times. Particularly, the impact strength below zero DEG C can be increased by more than 20 times. The maleic anhydride-grafted ethylene propylene rubber modified polyethylene board is suitable for the preparations of indoor and outdoor imitation wood floors and decorative boards, preformed templates for buildings, furniture and office supplies such as chairs and desks, outdoor guardrails, outdoor mobile board rooms, waterproof baffles and the like.
Description
Technical field
The present invention relates to a kind of polyethylene board, particularly a kind of ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet material the invention still further relates to this preparation of plates method.
Background technology
Polyethylene, English name: polyethylene is called for short PE, is a kind of thermoplastic resin that ethene makes through polymerization.Industrial, also comprise the multipolymer of ethene and a small amount of alpha-olefin.The polyethylene odorless, nontoxic, the feel ceraceous, have good resistance to low temperature (minimum use temperature can reach-70～-100 ℃), chemical stability is good, the erosion of the most of soda acids of ability (not anti-acid with oxidizing property), be insoluble to common solvent under the normal temperature, water-absorbent is little, and electrical insulation capability is good.The shortcoming of polyethylene board is: low-temperature impact resistance is poor, and more aging, intensity and elasticity are not high.
Summary of the invention
Technical problem to be solved by this invention is at the deficiencies in the prior art, and a kind of ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet material with impact resistance, ageing-resistant performance is provided.
Another technical problem to be solved by this invention has provided a kind of preparation method of above-mentioned ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet material.
Technical problem to be solved by this invention is to realize by following technical scheme.The present invention is a kind of ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet material, is characterized in that it is to be made by following materials of weight proportions,
Polyethylene 80-120; Oxidation inhibitor 0.5-1.5;
Ethylene-propylene rubber(EPR) grafted maleic anhydride 15-25.
Technical problem to be solved by this invention can also further realize by following technical scheme.Above-described ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet material is characterized in that the weight proportion of each raw material is:
Polyethylene 100; Oxidation inhibitor 1;
Ethylene-propylene rubber(EPR) grafted maleic anhydride 20.
Ethylene-propylene rubber(EPR) grafted maleic anhydride described in the ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet material of the present invention can be selected commercially available product for use, also can be the ethylene-propylene rubber(EPR) grafted maleic anhydride product that adopts disclosed any method preparation in the prior art; Described oxidation inhibitor can be the oxidation inhibitor of routine, preferred four [methyl-β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester, i.e. antioxidant 1010.
Technical problem to be solved by this invention can also further realize by following technical scheme.Above-described ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet material is characterized in, also contains the pigment that weight proportion is 0.5-3 in the raw material.Described pigment can be selected conventional pigment as required for use.
Ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet material of the present invention can prepare with ordinary method, preferably adopts following method preparation.
The invention also discloses as the described ethylene-propylene rubber(EPR) grafted maleic anhydride of above technical scheme modified poly ethylene preparation of plates method, be characterized in that its step is as follows:
(1) get each raw material by described weight proportion, polyethylene is dropped into carry out mixingly in the Banbury mixer, melting temperature is 170-180 ℃, and the time is 4-6 minute; Add ethylene-propylene rubber(EPR) grafted maleic anhydride, oxidation inhibitor then in Banbury mixer, perhaps add pigment again, carry out banburying, the banburying temperature is 170-180 ℃, and the time is 4-6 minute, gets the banburying material;
(2) will mix refining in the banburying material input refiner, the roller temperature of mill during refining is 155-165 ℃, and refining time is 4-6 minute, gets the refining material;
(3) the refining material is gone out machine by agent and carry out agent and go out, agent goes out after the tablets press granulation, cool off, sieve particle diameter be behind the material particles of 2-3mm again input agent go out machine and extrude continuously, and through the moulding of mouth of pipe pattern tool, agent goes out moulding back draft cooling, promptly gets sheet material; It is 200-230 ℃ that agent goes out temperature, and the mold temperature of agent machine outlet pattern tool is 230-240 ℃.
Ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet material of the present invention is that a kind of modified polyethylene material is made, through evidence, sheet material after the modification, intensity increases, elasticity increases, high-and low-temperature resistance, ageing-resistant time can improve more than 5 times, especially can improve more than 20 times in the following shock strength of zero centigrade.Be applicable to and do indoor outer imitated wood floor board, the dalle of stopping up, the building precast template, furniture office accommodationss such as chair, table, outdoor protecting blocked, outdoors board house and waterproof bulkhead etc.Material polyethylene can use the reclaiming polyethylene.
Embodiment
Below further describe concrete technical scheme of the present invention,, and do not constitute restriction its right so that those skilled in the art understands the present invention further.
Embodiment 1.A kind of ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet material, it is to be made by following materials of weight proportions,
Polyethylene 80; Oxidation inhibitor 0.5;
Ethylene-propylene rubber(EPR) grafted maleic anhydride 15.
Can adopt the ordinary method of prior art to make.
Embodiment 2.A kind of ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet material, it is to be made by following materials of weight proportions,
Polyethylene 120; Oxidation inhibitor 1.5;
Ethylene-propylene rubber(EPR) grafted maleic anhydride 25.
Its preparation methods steps is as follows:
(1) get each raw material by described weight proportion, polyethylene is dropped into carry out mixingly in the Banbury mixer, melting temperature is 170 ℃, and the time is 4 minutes; Add ethylene-propylene rubber(EPR) grafted maleic anhydride, oxidation inhibitor then in Banbury mixer, carry out banburying, the banburying temperature is 170 ℃, and the time is 4 minutes, gets the banburying material;
(2) will mix refining in the banburying material input refiner, the roller temperature of mill during refining is 155 ℃, and refining time is 4 minutes, gets the refining material;
(3) the refining material is gone out machine by agent and carry out agent and go out, agent goes out after the tablets press granulation, cool off, sieve particle diameter be behind the material particles of 2-3mm again input agent go out machine and extrude continuously, and through the moulding of mouth of pipe pattern tool, agent goes out moulding back draft cooling, promptly gets sheet material; It is 200 ℃ that agent goes out temperature, and the mold temperature of agent machine outlet pattern tool is 230 ℃.
Embodiment 3.A kind of ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet material, it is to be made by following materials of weight proportions,
Polyethylene 100; Oxidation inhibitor 1;
Ethylene-propylene rubber(EPR) grafted maleic anhydride 20.
Its preparation methods steps is as follows:
(1) get each raw material by described weight proportion, polyethylene is dropped into carry out mixingly in the Banbury mixer, melting temperature is 175 ℃, and the time is 5 minutes; Add ethylene-propylene rubber(EPR) grafted maleic anhydride, oxidation inhibitor then in Banbury mixer, carry out banburying, the banburying temperature is 175 ℃, and the time is 5 minutes, gets the banburying material;
(2) will mix refining in the banburying material input refiner, the roller temperature of mill during refining is 160 ℃, and refining time is 5 minutes, gets the refining material;
(3) the refining material is gone out machine by agent and carry out agent and go out, agent goes out after the tablets press granulation, cool off, sieve particle diameter be behind the material particles of 2-3mm again input agent go out machine and extrude continuously, and through the moulding of mouth of pipe pattern tool, agent goes out moulding back draft cooling, promptly gets sheet material; It is 215 ℃ that agent goes out temperature, and the mold temperature of agent machine outlet pattern tool is 235 ℃.
Get the sheet material of present embodiment gained, carry out the physicals test according to the detection step of German standard din53448, the result is as follows:
Breaking tenacity: 54 MPas; Elongation at break: 780%;
Shock strength (zero centigrade drops hammer): 46 joules/every square centimeter;
Shock strength: 48 joules/square centimeter.
Embodiment 4.In embodiment 1 or the 2 or 3 described ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet materials, described oxidation inhibitor is four [methyl-β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester.
Embodiment 5.A kind of ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet material, it is to be made by following materials of weight proportions,
Polyethylene 90; 0.8 part in oxidation inhibitor;
Ethylene-propylene rubber(EPR) grafted maleic anhydride 18.
Its preparation methods steps is as follows:
(1) get each raw material by described weight proportion, polyethylene is dropped into carry out mixingly in the Banbury mixer, melting temperature is 180 ℃, and the time is 6 minutes; Add ethylene-propylene rubber(EPR) grafted maleic anhydride, oxidation inhibitor then in Banbury mixer, carry out banburying, the banburying temperature is 180 ℃, and the time is 6 minutes, gets the banburying material;
(2) will mix refining in the banburying material input refiner, the roller temperature of mill during refining is 165 ℃, and refining time is 6 minutes, gets the refining material;
(3) the refining material is gone out machine by agent and carry out agent and go out, agent goes out after the tablets press granulation, cool off, sieve particle diameter be behind the material particles of 2-3mm again input agent go out machine and extrude continuously, and through the moulding of mouth of pipe pattern tool, agent goes out moulding back draft cooling, promptly gets sheet material; It is 230 ℃ that agent goes out temperature, and the mold temperature of agent machine outlet pattern tool is 240 ℃.
Embodiment 6.In embodiment 2 described ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet materials, also contain weight proportion in the raw material and be 0.5 pigment.
During preparation, pigment and ethylene-propylene rubber(EPR) grafted maleic anhydride, oxidation inhibitor together added carry out banburying in the Banbury mixer.
Embodiment 7.In embodiment 3 described ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet materials, also contain weight proportion in the raw material and be 1.5 pigment.
During preparation, pigment and ethylene-propylene rubber(EPR) grafted maleic anhydride, oxidation inhibitor together added carry out banburying in the Banbury mixer.
Embodiment 8.In embodiment 5 described ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet materials, also contain weight proportion in the raw material and be 3 pigment.
During preparation, pigment and ethylene-propylene rubber(EPR) grafted maleic anhydride, oxidation inhibitor together added carry out banburying in the Banbury mixer.
Claims (5)
1. an ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet material is characterized in that it is to be made by following materials of weight proportions,
Polyethylene 80-120; Oxidation inhibitor 0.5-1.5;
Ethylene-propylene rubber(EPR) grafted maleic anhydride 15-25.
2. ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet material according to claim 1 is characterized in that the weight proportion of each raw material is:
Polyethylene 100; Oxidation inhibitor 1;
Ethylene-propylene rubber(EPR) grafted maleic anhydride 20.
3. ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet material according to claim 1 is characterized in that, described oxidation inhibitor is four [methyl-β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic ester] pentaerythritol ester.
4. ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene sheet material according to claim 1 is characterized in that, also contains the pigment that weight proportion is 0.5-3 in the raw material.
5. one kind as any one described ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene preparation of plates method among the claim 1-4, it is characterized in that its step is as follows:
(1) get each raw material by described weight proportion, polyethylene is dropped into carry out mixingly in the Banbury mixer, melting temperature is 170-180 ℃, and the time is 4-6 minute; Add ethylene-propylene rubber(EPR) grafted maleic anhydride and oxidation inhibitor then in Banbury mixer, perhaps add pigment again, carry out banburying, the banburying temperature is 170-180 ℃, and the time is 4-6 minute, gets the banburying material;
(2) will mix refining in the banburying material input refiner, the roller temperature of mill during refining is 155-165 ℃, and refining time is 4-6 minute, gets the refining material;
(3) the refining material is gone out machine by agent and carry out agent and go out, agent goes out after the tablets press granulation, cool off, sieve particle diameter be behind the material particles of 2-3mm again input agent go out machine and extrude continuously, and through the moulding of mouth of pipe pattern tool, agent goes out moulding back draft cooling, promptly gets sheet material; It is 200-230 ℃ that agent goes out temperature, and the mold temperature of agent machine outlet pattern tool is 230-240 ℃.
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| CN2010101169748A CN102167857A (en) | 2010-02-26 | 2010-02-26 | Maleic anhydride-grafted ethylene propylene rubber modified polyethylene board and preparation method thereof |
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| CN2010101169748A CN102167857A (en) | 2010-02-26 | 2010-02-26 | Maleic anhydride-grafted ethylene propylene rubber modified polyethylene board and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1622974A (en) * | 2002-01-25 | 2005-06-01 | 纳幕尔杜邦公司 | Ionomer/high density polyethylene blends with improved impact resistance |
| CN1845957A (en) * | 2003-09-05 | 2006-10-11 | 联合碳化化学及塑料技术公司 | Flame retardant composition with excellent processability |
| CN101302312A (en) * | 2008-07-03 | 2008-11-12 | 昆明理工大学 | Preparation of waste paper-reinforced regenerative high-density polyethylene composite material |
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- 2010-02-26 CN CN2010101169748A patent/CN102167857A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1622974A (en) * | 2002-01-25 | 2005-06-01 | 纳幕尔杜邦公司 | Ionomer/high density polyethylene blends with improved impact resistance |
| CN1845957A (en) * | 2003-09-05 | 2006-10-11 | 联合碳化化学及塑料技术公司 | Flame retardant composition with excellent processability |
| CN101302312A (en) * | 2008-07-03 | 2008-11-12 | 昆明理工大学 | Preparation of waste paper-reinforced regenerative high-density polyethylene composite material |
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Application publication date: 20110831 |