CN102167856A - Ethylene propylene rubber grafted maleic anhydride modified polyethylene toughening master batch and preparation method thereof - Google Patents
Ethylene propylene rubber grafted maleic anhydride modified polyethylene toughening master batch and preparation method thereof Download PDFInfo
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- CN102167856A CN102167856A CN2010101169184A CN201010116918A CN102167856A CN 102167856 A CN102167856 A CN 102167856A CN 2010101169184 A CN2010101169184 A CN 2010101169184A CN 201010116918 A CN201010116918 A CN 201010116918A CN 102167856 A CN102167856 A CN 102167856A
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- maleic anhydride
- ethylene
- propylene rubber
- grafted maleic
- master batch
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Abstract
The invention discloses an ethylene propylene rubber grafted maleic anhydride modified polyethylene toughening master batch, which is characterized by being prepared from the following raw materials by weight: 80 to 120 parts of polyethylene, 0.5 to 1.5 parts of antioxidant and 15 to 25 parts of ethylene propylene rubber grafted maleic anhydride. The invention also discloses a preparation method of the ethylene propylene rubber grafted maleic anhydride modified polyethylene toughening master batch. The ethylene propylene rubber grafted maleic anhydride modified polyethylene toughening master batch is an improved polyethylene material; and tests prove that the modified toughening master batch has the advantages of high elasticity, high temperature resistance, low temperature resistance and long aging resistance, and impact strength can be improved by more than 20 times at the temperature of 0 DEG C. The master batch is suitable to be used as a raw material for products such as various industrial pipelines, agricultural water delivery pipelines, automobile accessories, household appliance shells, various fibers, cables, plates and the like.
Description
Technical field
The present invention relates to a kind of polyethylene toughened master batch, particularly a kind of ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene toughened master batch the invention still further relates to the preparation method of this masterbatch.
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 has certain resistance to low temperature, and chemical stability is good, and the erosion of the most of soda acids of ability (not anti-acid with oxidizing property) is insoluble to common solvent under the normal temperature, and water-absorbent is little, and electrical insulation capability is good.Poly shortcoming is in the prior art: 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 toughened master batch 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 toughened master batch.
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 toughened master batch, 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 toughened master batch 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 toughened master batch 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 toughened master batch 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 toughened master batch of the present invention can prepare with ordinary method, preferably adopts following method preparation.
The invention also discloses preparation method, be characterized in that its step is as follows as the described ethylene-propylene rubber(EPR) grafted maleic anhydride of above technical scheme modified poly ethylene toughened master batch:
(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 the ethylene-propylene rubber(EPR) grafted maleic anhydride then in Banbury mixer, perhaps add pigment again, carry out banburying, the banburying temperature is 170-190 ℃, and the time is 4-6 minute, gets the banburying material;
(2) will the banburying material and oxidation inhibitor drop in the refiner and mix refining, the roller temperature of mill during refining is 155-165 ℃, refining time is 4-6 minute, must the refining material;
(3) the refining material is gone out the machine agent by agent and go out, and with rotating the dicing machine granulation, cooling, screening promptly get the masterbatch that particle diameter is 2-3mm; It is 190-230 ℃ that the agent that agent goes out machine goes out temperature, and the prilling temperature of rotation dicing machine is 230-250 ℃.
Ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene toughened master batch of the present invention is a kind of modified polyethylene material, through evidence, the toughened master batch after the modification, elasticity increases, high-and low-temperature resistance, ageing-resistant time are long, especially can improve more than 20 times in the following shock strength of zero centigrade.Be applicable to the starting material of products such as doing various industrial pipelines, agricultural water pipe, auto parts machinery, appliance shell, various fiber, cable, sheet material.
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 toughened master batch, 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 toughened master batch, 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 the ethylene-propylene rubber(EPR) grafted maleic anhydride then in Banbury mixer, perhaps add pigment again, carry out banburying, the banburying temperature is 170 ℃, and the time is 4 minutes, gets the banburying material;
(2) will the banburying material and oxidation inhibitor drop in the refiner and mix refining, the roller temperature of mill during refining is 155 ℃, refining time is 4 minutes, the refining material;
(3) the refining material is gone out the machine agent by agent and go out, and with rotating the dicing machine granulation, cooling, screening promptly get the masterbatch that particle diameter is 2-3mm; It is 190 ℃ that the agent that agent goes out machine goes out temperature, and the prilling temperature of rotation dicing machine is 230 ℃.
Embodiment 3.A kind of ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene toughened master batch, 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 the ethylene-propylene rubber(EPR) grafted maleic anhydride then in Banbury mixer, perhaps add pigment again, carry out banburying, the banburying temperature is 180 ℃, and the time is 5 minutes, gets the banburying material;
(2) will the banburying material and oxidation inhibitor drop in the refiner and mix refining, the roller temperature of mill during refining is 160 ℃, refining time is 5 minutes, the refining material;
(3) the refining material is gone out the machine agent by agent and go out, and with rotating the dicing machine granulation, cooling, screening promptly get the masterbatch that particle diameter is 2-3mm; It is 210 ℃ that the agent that agent goes out machine goes out temperature, and the prilling temperature of rotation dicing machine is 240 ℃.
Get present embodiment gained masterbatch, 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 toughened master batchs, 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 toughened master batch, 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 the ethylene-propylene rubber(EPR) grafted maleic anhydride then in Banbury mixer, perhaps add pigment again, carry out banburying, the banburying temperature is 190 ℃, and the time is 6 minutes, gets the banburying material;
(2) will the banburying material and oxidation inhibitor drop in the refiner and mix refining, the roller temperature of mill during refining is 165 ℃, refining time is 6 minutes, the refining material;
(3) the refining material is gone out the machine agent by agent and go out, and with rotating the dicing machine granulation, cooling, screening promptly get the masterbatch that particle diameter is 2-3mm; It is 230 ℃ that the agent that agent goes out machine goes out temperature, and the prilling temperature of rotation dicing machine is 250 ℃.
Embodiment 6.In embodiment 2 described ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene toughened master batchs, also contain weight proportion in the raw material and be 0.5 pigment.
During preparation, pigment and ethylene-propylene rubber(EPR) grafted maleic anhydride 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 toughened master batchs, also contain weight proportion in the raw material and be 1.5 pigment.
During preparation, pigment and ethylene-propylene rubber(EPR) grafted maleic anhydride 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 toughened master batchs, also contain weight proportion in the raw material and be 3 pigment.
During preparation, pigment and ethylene-propylene rubber(EPR) grafted maleic anhydride together added carry out banburying in the Banbury mixer.
Claims (5)
1. an ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene toughened master batch 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 toughened master batch 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 toughened master batch 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 toughened master batch according to claim 1 is characterized in that, also contains the pigment that weight proportion is 0.5-3 in the raw material.
5. preparation method as any one described ethylene-propylene rubber(EPR) grafted maleic anhydride modified poly ethylene toughened master batch among the claim 1-4 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 the ethylene-propylene rubber(EPR) grafted maleic anhydride then in Banbury mixer, perhaps add pigment again, carry out banburying, the banburying temperature is 170-190 ℃, and the time is 4-6 minute, gets the banburying material;
(2) will the banburying material and oxidation inhibitor drop in the refiner and mix refining, the roller temperature of mill during refining is 155-165 ℃, refining time is 4-6 minute, must the refining material;
(3) the refining material is gone out the machine agent by agent and go out, and with rotating the dicing machine granulation, cooling, screening promptly get the masterbatch that particle diameter is 2-3mm; It is 190-230 ℃ that the agent that agent goes out machine goes out temperature, and the prilling temperature of rotation dicing machine is 230-250 ℃.
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| CN2010101169184A CN102167856A (en) | 2010-02-26 | 2010-02-26 | Ethylene propylene rubber grafted maleic anhydride modified polyethylene toughening master batch and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215068A (en) * | 1998-06-18 | 1999-04-28 | 中国科学院化学研究所 | Stuffing mother particle for toughening polyolefine and preparation process and usage thereof |
| CN1472244A (en) * | 2003-05-16 | 2004-02-04 | 上海交通大学 | Smokeless non-halogen retardant polyolefine preparing method |
| CN1611537A (en) * | 2003-10-30 | 2005-05-04 | 中国石油化工股份有限公司 | Toughened flame-retarded poly propylene composition and its preparing method |
| CN1657562A (en) * | 2004-12-07 | 2005-08-24 | 青岛科技大学 | Special material for large-diameter plastic draining pipe |
-
2010
- 2010-02-26 CN CN2010101169184A patent/CN102167856A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1215068A (en) * | 1998-06-18 | 1999-04-28 | 中国科学院化学研究所 | Stuffing mother particle for toughening polyolefine and preparation process and usage thereof |
| CN1472244A (en) * | 2003-05-16 | 2004-02-04 | 上海交通大学 | Smokeless non-halogen retardant polyolefine preparing method |
| CN1611537A (en) * | 2003-10-30 | 2005-05-04 | 中国石油化工股份有限公司 | Toughened flame-retarded poly propylene composition and its preparing method |
| CN1657562A (en) * | 2004-12-07 | 2005-08-24 | 青岛科技大学 | Special material for large-diameter plastic draining pipe |
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Application publication date: 20110831 |