CN104672388A - Master batch for toughening and strengthening nuclear shell particles of polyethylene (PE) - Google Patents
Master batch for toughening and strengthening nuclear shell particles of polyethylene (PE) Download PDFInfo
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- CN104672388A CN104672388A CN201310620301.XA CN201310620301A CN104672388A CN 104672388 A CN104672388 A CN 104672388A CN 201310620301 A CN201310620301 A CN 201310620301A CN 104672388 A CN104672388 A CN 104672388A
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Abstract
The invention discloses a master batch for toughening and strengthening nuclear shell particles of polyethylene (PE). The master batch comprises the following components in percentage by weight: 15%-30% of polyethylene resin, 20%-50% of inorganic rigid particles, 20%-40% of an elastic body, 0.5%-5% of maleic anhydride, 0.1%-2% of an initiator, 0.5%-3% of a coupling agent, 3%-5% of a dispersing agent and 0.1%-1% of an antioxidant. Compared with the prior art, the master batch has the beneficial effects that after being subjected to surface modification by virtue of maleic anhydride, the inorganic rigid particles are mixed with the elastic body to generate grafting reaction, so that a soft-shell and hard-kernel structure in which the inorganic rigid particles are coated with the elastic body is effectively formed, and the elastic body and the inorganic rigid particles can respectively exert the advantages and have good synergetic toughening and strengthening effects; furthermore, the processing process is simple; by being applied to the production of polyethylene, the prepared master batch has the characteristics of good toughening and strengthening modification effects, low cost, convenience in use and the like.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of Toughened With Core-Shell Particles being used for polyethylene (PE) strengthens master batch.
Background technology
Polyethylene (PE) be a kind of light weight nontoxic, there is good electrical insulation capability and the thermoplastics of resistance to chemical corrosion, there is higher rigidity, excellent molding processibility, excellent wet fastness and chemical stability, be widely used in the fields such as packaging, chemical industry, building, machinery and food-processing.Then, there is the shortcomings such as shock strength is poor, fragility fracture due to polyethylene, be difficult to meet the demand of some fields to performance.Therefore, to polyethylene toughening modifying be one of the focus of macromolecular material and engineering research always.At present following method is mainly contained to polyethylene (PE) toughen and intensify:
1, elastic body toughening modification: elastomerics has higher toughness, can increase substantially the toughness of material, but elastomeric intensity is lower with polyethylene (PE) blending and modifying, and it is huge to add its loss of strength of elastomerics;
2, rigid inorganic filler toughening enhancing modified: to extrude after inorganic rigid particle is mixed with polyethylene (PE) and additive, tensile strength that granulation can significantly improve PE material, reinforced effects is better but can reduce the toughness of material;
3, elastomerics, both inorganic rigid particles blending and modifying: elastomerics, inorganic rigid particle are extruded after mixing with polyethylene (PE) and additive, granulation has good modified effect to the intensity of material and toughness, but elastomerics, inorganic rigid particle add membership jointly makes the effect of two kinds of materials influence each other, thus make the mechanical property of PE material cannot obtain envision in effect.
Summary of the invention
The object of the present invention is to provide a kind of elastomerics and inorganic rigid particle jointly filling-modified and that the there is good collaborative activeness and quietness effect Toughened With Core-Shell Particles for polyethylene (PE) strengthen master batch.
The technical solution adopted for the present invention to solve the technical problems is: a kind of Toughened With Core-Shell Particles being used for polyethylene (PE) strengthens master batch, and its component by mass percent proportioning is: polyvinyl resin 15% ~ 30%, inorganic rigid particle 20% ~ 50%, elastomerics 20% ~ 40%, maleic anhydride 0.5% ~ 5%, initiator 0.1% ~ 2%, coupling agent 0.5% ~ 3%, dispersion agent 3% ~ 5%, oxidation inhibitor 0.1% ~ 1%.
Described inorganic rigid particle is the one in the calcium carbonate of particle diameter between 0.01 μm ~ 20 μm, talcum powder, mica, kaolin, silicon-dioxide, diatomite, wollastonite, barium sulfate.
Described elastomerics is the one in ethylene-octene copolymer (POE), ethylene-propylene-diene copolymer (EPDM), SIS/SEBS (SEBS), paracril (NBR).
Described initiator is the one in Diisopropyl azodicarboxylate, 2,2'-Azobis(2,4-dimethylvaleronitrile), isopropyl benzene hydroperoxide, dibenzoyl peroxide, dicumyl peroxide.
Described coupling agent is the one in silane coupling agent, titanate coupling agent, aluminate coupling agent, aluminium titanium composite coupler.
Described dispersion agent is the one in polyethylene wax, EVA wax, OP wax, TAS-2A dispersion agent, EBS dispersion agent.
Described oxidation inhibitor is the compound of hindered phenol antioxygen 1010 or 1076 and phosphite ester kind antioxidant 168.
Above-mentioned one is used for the preparation method of the Toughened With Core-Shell Particles enhancing master batch of polyethylene (PE), comprises the following steps:
(1) by inorganic rigid particle at 60 DEG C ~ 120 DEG C dry 1 ~ 2 hour, stand-by;
(2) taking dried inorganic rigid particle by weight ratio, to add barrel temperature be in 40 DEG C ~ 80 DEG C high-speed mixers, stir 3 ~ 15 minutes, then the maleic anhydride and initiator that take by weight ratio is added, stir 10 ~ 60 minutes, make to obtain fully mixing and dispersed after, add the elastomerics taken by weight ratio again, control high-speed mixer rotating speed and be not less than 3000 revs/min, stir 10 ~ 15 minutes;
(3) in high-speed mixer, then add the polyvinyl resin, coupling agent, dispersion agent and the oxidation inhibitor that take by weight ratio again, continue stirring 10 ~ 30 minutes, discharging;
(4) the above-mentioned material mixed is added the abundant melt blending of twin screw extruder, melt temperature controls at 150 DEG C ~ 200 DEG C, screw speed is 120 ~ 400 revs/min, by the shearing of twin screw extruder, mixing 10 ~ 15 minutes, then extrude, cool, granulation, drying, packaging, obtain one of the present invention for polyethylene (PE) Toughened With Core-Shell Particles strengthen master batch.
The invention has the beneficial effects as follows, compared with prior art, with elastomer compound and graft reaction occurs after the present invention adopts maleic anhydride to carry out surface modification to inorganic rigid particle, effectively form the soft shell stone structure with elastomer coated inorganic rigid particle, elastomerics and inorganic rigid particle is made to play respective advantage and have good coordination plasticizing reinforced effects, and treatment process is simple, the master batch that the present invention obtains is applied in polyethylene production the features such as the good and cost of the modified effect with toughen and intensify is low, easy to use.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1:
A kind of Toughened With Core-Shell Particles being used for polyethylene (PE) strengthens master batch, and its component by mass percent proportioning is: the compound 0.5% of polyvinyl resin 20%, the particle diameter calcium carbonate 40% between 0.01 μm ~ 20 μm, ethylene-octene copolymer (POE) 30%, maleic anhydride 3%, Diisopropyl azodicarboxylate 1%, titanate coupling agent 1.5%, polyethylene wax 4%, hindered phenol antioxygen 1010 and phosphite ester kind antioxidant 168.
Preparation method: (1) is by the calcium carbonate of particle diameter between 0.01 μm ~ 20 μm at 60 DEG C ~ 120 DEG C dry 1 ~ 2 hour, stand-by; (2) taking dried calcium carbonate by weight ratio, to add barrel temperature be in 40 DEG C ~ 80 DEG C high-speed mixers, stir 3 ~ 15 minutes, then the maleic anhydride and Diisopropyl azodicarboxylate that take by weight ratio is added, stir 10 ~ 60 minutes, make to obtain fully mixing and dispersed after, add the ethylene-octene copolymer (POE) taken by weight ratio again, control high-speed mixer rotating speed and be not less than 3000 revs/min, stir 10 ~ 15 minutes; (3) in high-speed mixer, then add the compound of polyvinyl resin, titanate coupling agent, polyethylene wax and the hindered phenol antioxygen 1010 and phosphite ester kind antioxidant 168 taken by weight ratio again, continue stirring 10 ~ 30 minutes, discharging; (4) the above-mentioned material mixed is added the abundant melt blending of twin screw extruder, melt temperature controls at 150 DEG C ~ 200 DEG C, screw speed is 120 ~ 400 revs/min, by the shearing of twin screw extruder, mixing 10 ~ 15 minutes, then extrude, cool, granulation, drying, packaging, obtain one of the present invention for polyethylene (PE) Toughened With Core-Shell Particles strengthen master batch.
Embodiment 2:
A kind of Toughened With Core-Shell Particles being used for polyethylene (PE) strengthens master batch, and its component by mass percent proportioning is: the compound 1% of polyvinyl resin 15%, the particle diameter talcum powder 50% between 0.01 μm ~ 20 μm, ethylene-propylene-diene copolymer (EPDM) 20%, maleic anhydride 5%, 2,2'-Azobis(2,4-dimethylvaleronitrile) 2%, aluminium titanium composite coupler 3%, EVA wax 4%, hindered phenol antioxygen 1010 and phosphite ester kind antioxidant 168.
Preparation method: (1) is by the talcum powder of particle diameter between 0.01 μm ~ 20 μm at 60 DEG C ~ 120 DEG C dry 1 ~ 2 hour, stand-by; (2) taking dried talcum powder by weight ratio, to add barrel temperature be in 40 DEG C ~ 80 DEG C high-speed mixers, stir 3 ~ 15 minutes, then the maleic anhydride and 2,2'-Azobis(2,4-dimethylvaleronitrile) that take by weight ratio is added, stir 10 ~ 60 minutes, make to obtain fully mixing and dispersed after, add the ethylene-propylene-diene copolymer (EPDM) taken by weight ratio again, control high-speed mixer rotating speed and be not less than 3000 revs/min, stir 10 ~ 15 minutes; (3) in high-speed mixer, then add the compound of polyvinyl resin, aluminium titanium composite coupler, EVA wax and the hindered phenol antioxygen 1010 and phosphite ester kind antioxidant 168 taken by weight ratio again, continue stirring 10 ~ 30 minutes, discharging; (4) the above-mentioned material mixed is added the abundant melt blending of twin screw extruder, melt temperature controls at 150 DEG C ~ 200 DEG C, screw speed is 120 ~ 400 revs/min, by the shearing of twin screw extruder, mixing 10 ~ 15 minutes, then extrude, cool, granulation, drying, packaging, obtain one of the present invention for polyethylene (PE) Toughened With Core-Shell Particles strengthen master batch.
Embodiment 3:
A kind of Toughened With Core-Shell Particles being used for polyethylene (PE) strengthens master batch, and its component by mass percent proportioning is: the compound 0.5% of polyvinyl resin 30%, the particle diameter kaolin 30% between 0.01 μm ~ 20 μm, SIS/SEBS (SEBS) 30%, maleic anhydride 3%, dicumyl peroxide 1.5%, silane coupling agent 2%, TAS-2A dispersion agent 3%, hindered phenol antioxygen 1076 and phosphite ester kind antioxidant 168.
Preparation method: (1) is by the kaolin of particle diameter between 0.01 μm ~ 20 μm at 60 DEG C ~ 120 DEG C dry 1 ~ 2 hour, stand-by; (2) taking dried kaolin by weight ratio, to add barrel temperature be in 40 DEG C ~ 80 DEG C high-speed mixers, stir 3 ~ 15 minutes, then the maleic anhydride and dicumyl peroxide that take by weight ratio is added, stir 10 ~ 60 minutes, make to obtain fully mixing and dispersed after, add the SIS/SEBS (SEBS) taken by weight ratio again, control high-speed mixer rotating speed and be not less than 3000 revs/min, stir 10 ~ 15 minutes; (3) in high-speed mixer, then add the compound of polyvinyl resin, silane coupling agent, TAS-2A dispersion agent and the hindered phenol antioxygen 1076 and phosphite ester kind antioxidant 168 taken by weight ratio again, continue stirring 10 ~ 30 minutes, discharging; (4) the above-mentioned material mixed is added the abundant melt blending of twin screw extruder, melt temperature controls at 150 DEG C ~ 200 DEG C, screw speed is 120 ~ 400 revs/min, by the shearing of twin screw extruder, mixing 10 ~ 15 minutes, then extrude, cool, granulation, drying, packaging, obtain one of the present invention for polyethylene (PE) Toughened With Core-Shell Particles strengthen master batch.
Claims (8)
1. the Toughened With Core-Shell Particles for polyethylene (PE) strengthens master batch, it is characterized in that, its component by mass percent proportioning is: polyvinyl resin 15% ~ 30%, inorganic rigid particle 20% ~ 50%, elastomerics 20% ~ 40%, maleic anhydride 0.5% ~ 5%, initiator 0.1% ~ 2%, coupling agent 0.5% ~ 3%, dispersion agent 3% ~ 5%, oxidation inhibitor 0.1% ~ 1%.
2. one according to claim 1 is used for the Toughened With Core-Shell Particles enhancing master batch of polyethylene (PE), it is characterized in that, described inorganic rigid particle is the one in the calcium carbonate of particle diameter between 0.01 μm ~ 20 μm, talcum powder, mica, kaolin, silicon-dioxide, diatomite, wollastonite, barium sulfate.
3. one according to claim 1 is used for the Toughened With Core-Shell Particles enhancing master batch of polyethylene (PE), it is characterized in that, described elastomerics is the one in ethylene-octene copolymer (POE), ethylene-propylene-diene copolymer (EPDM), SIS/SEBS (SEBS), paracril (NBR).
4. one according to claim 1 is used for the Toughened With Core-Shell Particles enhancing master batch of polyethylene (PE), it is characterized in that, described initiator is the one in Diisopropyl azodicarboxylate, 2,2'-Azobis(2,4-dimethylvaleronitrile), isopropyl benzene hydroperoxide, dibenzoyl peroxide, dicumyl peroxide.
5. one according to claim 1 is used for the Toughened With Core-Shell Particles enhancing master batch of polyethylene (PE), and it is characterized in that, described coupling agent is the one in silane coupling agent, titanate coupling agent, aluminate coupling agent, aluminium titanium composite coupler.
6. one according to claim 1 is used for the Toughened With Core-Shell Particles enhancing master batch of polyethylene (PE), and it is characterized in that, described dispersion agent is the one in polyethylene wax, EVA wax, OP wax, TAS-2A dispersion agent, EBS dispersion agent.
7. one according to claim 1 is used for the Toughened With Core-Shell Particles enhancing master batch of polyethylene (PE), and it is characterized in that, described oxidation inhibitor is the compound of hindered phenol antioxygen 1010 or 1076 and phosphite ester kind antioxidant 168.
8. one according to claim 1 is used for the preparation method of the Toughened With Core-Shell Particles enhancing master batch of polyethylene (PE), it is characterized in that, comprises the following steps:
(1) by inorganic rigid particle at 60 DEG C ~ 120 DEG C dry 1 ~ 2 hour, stand-by;
(2) taking dried inorganic rigid particle by weight ratio, to add barrel temperature be in 40 DEG C ~ 80 DEG C high-speed mixers, stir 3 ~ 15 minutes, then the maleic anhydride and initiator that take by weight ratio is added, stir 10 ~ 60 minutes, make to obtain fully mixing and dispersed after, add the elastomerics taken by weight ratio again, control high-speed mixer rotating speed and be not less than 3000 revs/min, stir 10 ~ 15 minutes;
(3) in high-speed mixer, then add the polyvinyl resin, coupling agent, dispersion agent and the oxidation inhibitor that take by weight ratio again, continue stirring 10 ~ 30 minutes, discharging;
(4) the above-mentioned material mixed is added the abundant melt blending of twin screw extruder, melt temperature controls at 150 DEG C ~ 200 DEG C, screw speed is 120 ~ 400 revs/min, by the shearing of twin screw extruder, mixing 10 ~ 15 minutes, then extrude, cool, granulation, drying, packaging, obtain one of the present invention for polyethylene (PE) Toughened With Core-Shell Particles strengthen master batch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310620301.XA CN104672388A (en) | 2013-11-29 | 2013-11-29 | Master batch for toughening and strengthening nuclear shell particles of polyethylene (PE) |
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| CN201310620301.XA CN104672388A (en) | 2013-11-29 | 2013-11-29 | Master batch for toughening and strengthening nuclear shell particles of polyethylene (PE) |
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| CN104672388A true CN104672388A (en) | 2015-06-03 |
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| CN201310620301.XA Pending CN104672388A (en) | 2013-11-29 | 2013-11-29 | Master batch for toughening and strengthening nuclear shell particles of polyethylene (PE) |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107176846A (en) * | 2017-05-17 | 2017-09-19 | 长兴县煤山工业炉料有限公司 | A kind of strong refractory brick of resistance to loading |
| CN107312241A (en) * | 2017-07-08 | 2017-11-03 | 常州大学 | Controllable packing material of a kind of mobility and preparation method thereof |
| CN112409702A (en) * | 2020-10-13 | 2021-02-26 | 江苏弗斯特塑胶有限公司 | Plastic toughening master batch and preparation method thereof |
-
2013
- 2013-11-29 CN CN201310620301.XA patent/CN104672388A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107176846A (en) * | 2017-05-17 | 2017-09-19 | 长兴县煤山工业炉料有限公司 | A kind of strong refractory brick of resistance to loading |
| CN107312241A (en) * | 2017-07-08 | 2017-11-03 | 常州大学 | Controllable packing material of a kind of mobility and preparation method thereof |
| CN107312241B (en) * | 2017-07-08 | 2019-07-26 | 常州大学 | A kind of packing material and preparation method thereof that mobility is controllable |
| CN112409702A (en) * | 2020-10-13 | 2021-02-26 | 江苏弗斯特塑胶有限公司 | Plastic toughening master batch and preparation method thereof |
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Application publication date: 20150603 |