CN102863694A - Polypropylene cooling masterbatch and preparation method thereof - Google Patents
Polypropylene cooling masterbatch and preparation method thereof Download PDFInfo
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- CN102863694A CN102863694A CN2012103969821A CN201210396982A CN102863694A CN 102863694 A CN102863694 A CN 102863694A CN 2012103969821 A CN2012103969821 A CN 2012103969821A CN 201210396982 A CN201210396982 A CN 201210396982A CN 102863694 A CN102863694 A CN 102863694A
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- polypropylene
- cooling masterbatch
- stearate
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Abstract
The invention discloses a polypropylene cooling masterbatch and a preparation method of the polypropylene cooling masterbatch. The polypropylene cooling masterbatch comprises the following components by weight: 90-98 parts of polypropylene, 0.2-5 parts of a peroxide, 0.5-3 parts of a stearate and 0.3-1.0 part of a nucleating agent. The preparation method of the polypropylene cooling masterbatch comprises the following steps: (1) polypropylene, peroxide, stearate and the nucleating agent are added into a high-speed mixer at a raw material ratio and uniformly mixed to obtain a mixed material; (2) the mixed material obtained in step (1) is added into a twin screw extruder to be mixed and extruded, the extruded material is cooled and cut into grains, and the grains are dried to obtain the cooling masterbatch. The polypropylene cooling masterbatch can increase melt indices of polypropylene materials, reduce the processing temperature and meet the requirements of energy-saving and environmental protection, and has little influences on other properties of polypropylene materials.
Description
Technical field
The present invention relates to polymeric material field, be specifically related to a kind of polypropylene cooling masterbatch and preparation method thereof.
Background technology
Polypropylene (PP) has in the plastics field very widely as thermoplastic polymer to be used, different because of used catalyzer and polymerization technique, resulting polymer performance has very big-difference, in different Application Areass property indices is required difference, therefore need to reach the demand performance index by blending and modifying.Improve at present mostly the melting index of polypropylene material with cooling masterbatch, reduce processing temperature, shorten formed product cycle time, reduce energy consumption, however common cooling masterbatch adding behind material prescription, larger on the over-all properties impact of material.
Summary of the invention
In view of this, the invention provides a kind of polypropylene cooling masterbatch and preparation method thereof, under the melting index prerequisite that improves polypropylene material, improve cooling masterbatch to the impact of other performance of polypropylene material.
The invention discloses a kind of polypropylene cooling masterbatch, the raw material of described cooling masterbatch forms and parts by weight are:
90 ~ 98 parts of polypropylene
0.2 ~ 5 part of superoxide
0.5 ~ 3 part of stearate
0.3 ~ 10 part of nucleator;
Wherein, described superoxide is 2,3-dimethyl-2, the mixture of one or more in 3-diphenyl butane, dicumyl peroxide, peroxidation phenyl-diformyl and the di-t-butyl peroxide.
Further, described polypropylene is one or both the mixture in homo-polypropylene and the Co-polypropylene.
Further, described stearate is Magnesium Stearate, calcium stearate, Zinic stearas, barium stearate and N, the mixture of one or more in the N'-ethylenebis stearic amide.
Further, described nucleator is one or more the mixture in pimelic acid, calcium stearate, oxalic acid, aryl orthophosphate, mica, silicon-dioxide and the talcum powder.
The invention also discloses the preparation method of above-mentioned polypropylene cooling masterbatch, may further comprise the steps:
1) polypropylene, superoxide, stearate and nucleator being added high-speed mixer according to proportioning raw materials mixes;
2) mixture that step 1) is obtained adds the twin screw extruder mixing extrusion, through the cooling and dicing oven dry, makes described cooling masterbatch.
Beneficial effect of the present invention is: polypropylene cooling masterbatch of the present invention can improve the melting index of polypropylene material, reduce processing temperature, reach the requirement of energy-conserving and environment-protective, polypropylene cooling masterbatch of the present invention is very little to other performance impact of polypropylene material simultaneously; Polypropylene cooling masterbatch of the present invention has good application prospect at polypropylene modified material and PPR tubing manufacture field.
Embodiment
Below will be described in detail the preferred embodiments of the present invention.
Embodiment 1
The raw material of the polypropylene cooling masterbatch of embodiment 1 forms and parts by weight are:
90 parts of polypropylene
0.2 part of superoxide
0.5 part of stearate
0.3 part of nucleator;
Wherein, described superoxide is 2,3-dimethyl-2, and 3-diphenyl butane (DMDPB), described polypropylene are homo-polypropylene, and described stearate is Magnesium Stearate, and described nucleator is pimelic acid.
The preparation method of the polypropylene cooling masterbatch of embodiment 1 may further comprise the steps:
1) polypropylene, superoxide, stearate and nucleator being added high-speed mixer according to proportioning raw materials mixes;
2) mixture that step 1) is obtained adds the twin screw extruder mixing extrusion, through the cooling and dicing oven dry, makes described cooling masterbatch.
Comparative example 1
The raw material of the polypropylene cooling masterbatch of comparative example 1 forms and parts by weight are:
90.8 parts of polypropylene
0.2 part of superoxide;
Wherein, described superoxide is 2,3-dimethyl-2, and 3-diphenyl butane (DMDPB), described polypropylene are homo-polypropylene.
The preparation method of the polypropylene cooling masterbatch of comparative example 1 may further comprise the steps:
1) polypropylene and superoxide are mixed according to proportioning raw materials adding high-speed mixer;
2) mixture that step 1) is obtained adds the twin screw extruder mixing extrusion, through the cooling and dicing oven dry, makes described cooling masterbatch.
Embodiment 2
The raw material of the polypropylene cooling masterbatch of embodiment 2 forms and parts by weight are:
92 parts of polypropylene
1 part of superoxide
1 part of stearate
2 parts of nucleators;
Wherein, described superoxide is dicumyl peroxide (DCP), and described polypropylene is Co-polypropylene, and described stearate is Zinic stearas, and described nucleator is silicon-dioxide.
The preparation method of the polypropylene cooling masterbatch of embodiment 2 may further comprise the steps:
1) polypropylene, superoxide, stearate and nucleator being added high-speed mixer according to proportioning raw materials mixes;
2) mixture that step 1) is obtained adds the twin screw extruder mixing extrusion, through the cooling and dicing oven dry, makes described cooling masterbatch.
Comparative example 2
The raw material of the polypropylene cooling masterbatch of comparative example 2 forms and parts by weight are:
95 parts of polypropylene
1 part of superoxide;
Wherein, described superoxide is dicumyl peroxide (DCP), and described polypropylene is Co-polypropylene.
The preparation method of the polypropylene cooling masterbatch of comparative example 2 may further comprise the steps:
1) polypropylene and superoxide are mixed according to proportioning raw materials adding high-speed mixer;
2) mixture that step 1) is obtained adds the twin screw extruder mixing extrusion, through the cooling and dicing oven dry, makes described cooling masterbatch.
Embodiment 3
The raw material of the polypropylene cooling masterbatch of embodiment 3 forms and parts by weight are:
95 parts of polypropylene
3 parts of superoxide
2 parts of stearate
8 parts of nucleators;
Wherein, described superoxide is the mixture of peroxidation phenyl-diformyl (BPO) and di-t-butyl peroxide (DTBP), described polypropylene is the mixture of homo-polypropylene and Co-polypropylene, described stearate is the mixture of calcium stearate and barium stearate, and described nucleator is the mixture of pimelic acid and oxalic acid.
The preparation method of the polypropylene cooling masterbatch of embodiment 3 may further comprise the steps:
1) polypropylene, superoxide, stearate and nucleator being added high-speed mixer according to proportioning raw materials mixes;
2) mixture that step 1) is obtained adds the twin screw extruder mixing extrusion, through the cooling and dicing oven dry, makes described cooling masterbatch.
Comparative example 3
The raw material of the polypropylene cooling masterbatch of comparative example 3 forms and parts by weight are:
105 parts of polypropylene
3 parts of superoxide;
Wherein, described superoxide is the mixture of peroxidation phenyl-diformyl (BPO) and di-t-butyl peroxide (DTBP), and described polypropylene is the mixture of homo-polypropylene and Co-polypropylene.
The preparation method of the polypropylene cooling masterbatch of comparative example 3 may further comprise the steps:
1) polypropylene and superoxide are mixed according to proportioning raw materials adding high-speed mixer;
2) mixture that step 1) is obtained adds the twin screw extruder mixing extrusion, through the cooling and dicing oven dry, makes described cooling masterbatch.
Embodiment 4
The raw material of the polypropylene cooling masterbatch of embodiment 4 forms and parts by weight are:
98 parts of polypropylene
5 parts of superoxide
3 parts of stearate
10 parts of nucleators;
Wherein, described superoxide is the mixture of dicumyl peroxide (DCP) and di-t-butyl peroxide (DTBP), described polypropylene is the mixture of homo-polypropylene and Co-polypropylene, described stearate is N, the mixture of N'-ethylenebis stearic amide and barium stearate, described nucleator are mica and talcous mixture.
The preparation method of the polypropylene cooling masterbatch of embodiment 4 may further comprise the steps:
1) polypropylene, superoxide, stearate and nucleator being added high-speed mixer according to proportioning raw materials mixes;
2) mixture that step 1) is obtained adds the twin screw extruder mixing extrusion, through the cooling and dicing oven dry, makes described cooling masterbatch.
Comparative example 4
The raw material of the polypropylene cooling masterbatch of comparative example 4 forms and parts by weight are:
111 parts of polypropylene
5 parts of superoxide;
Wherein, described superoxide is the mixture of dicumyl peroxide (DCP) and di-t-butyl peroxide (DTBP), and described polypropylene is the mixture of homo-polypropylene and Co-polypropylene.
The preparation method of the polypropylene cooling masterbatch of comparative example 4 may further comprise the steps:
1) polypropylene and superoxide are mixed according to proportioning raw materials adding high-speed mixer;
2) mixture that step 1) is obtained adds the twin screw extruder mixing extrusion, through the cooling and dicing oven dry, makes described cooling masterbatch.
The polypropylene cooling masterbatch of above-described embodiment and comparative example is added to respectively among the polypropylene S1003 of China Petrochemical Industry according to 1.4% weight ratio, then mix, use the twin screw extruder granulation, test melting index, preparation standard batten test properties; In addition, with not adding the S1003 preparation standard batten of cooling masterbatch, press same test condition test properties and melting index; The performance test results that obtains is as follows:
The performance test results of table 1 embodiment 1 and comparative example 1
The performance test results of table 2 embodiment 2 and comparative example 2
The performance test results of table 3 embodiment 3 and comparative example 3
The performance test results of table 4 embodiment 4 and comparative example 4
Can find out from above-mentioned the performance test results, the polypropylene cooling masterbatch of the embodiment of the invention can improve the melting index of polypropylene material, reduce processing temperature, reach the requirement of energy-conserving and environment-protective, simultaneously, compare with existing cooling masterbatch (comparative example), the polypropylene cooling masterbatch of the embodiment of the invention is very little to other performance impact of polypropylene material.
In the raw material of polypropylene cooling masterbatch of the present invention, superoxide can be selected from 2,3-dimethyl-2, the 3-diphenyl butane, dicumyl peroxide, the mixture of one or more in peroxidation phenyl-diformyl and the di-t-butyl peroxide, polypropylene can be selected from one or both the mixture in homo-polypropylene and the Co-polypropylene, stearate can be selected from Magnesium Stearate, calcium stearate, Zinic stearas, barium stearate and N, the mixture of one or more in the N'-ethylenebis stearic amide, nucleator can be selected from pimelic acid, calcium stearate, oxalic acid, aryl orthophosphate, mica, the mixture of one or more in silicon-dioxide and the talcum powder all can be realized purpose of the present invention.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although by invention has been described with reference to the preferred embodiments of the present invention, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and not depart from the spirit and scope of the present invention that appended claims limits.
Claims (5)
1. polypropylene cooling masterbatch is characterized in that: the raw material of described cooling masterbatch forms and parts by weight are:
90 ~ 98 parts of polypropylene
0.2 ~ 5 part of superoxide
0.5 ~ 3 part of stearate
0.3 ~ 10 part of nucleator;
Wherein, described superoxide is 2,3-dimethyl-2, the mixture of one or more in 3-diphenyl butane, dicumyl peroxide, peroxidation phenyl-diformyl and the di-t-butyl peroxide.
2. polypropylene cooling masterbatch according to claim 1 is characterized in that: described polypropylene is one or both the mixture in homo-polypropylene and the Co-polypropylene.
3. polypropylene cooling masterbatch according to claim 1, it is characterized in that: described stearate is Magnesium Stearate, calcium stearate, Zinic stearas, barium stearate and N, the mixture of one or more in the N'-ethylenebis stearic amide.
4. polypropylene cooling masterbatch according to claim 1 is characterized in that: described nucleator is one or more the mixture in pimelic acid, calcium stearate, oxalic acid, aryl orthophosphate, mica, silicon-dioxide and the talcum powder.
5. the preparation method of the described polypropylene cooling masterbatch of claim 1 to 4 any one is characterized in that: may further comprise the steps:
1) polypropylene, superoxide, stearate and nucleator being added high-speed mixer according to proportioning raw materials mixes;
2) mixture that step 1) is obtained adds the twin screw extruder mixing extrusion, through the cooling and dicing oven dry, makes described cooling masterbatch.
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| CN2012103969821A CN102863694A (en) | 2012-10-18 | 2012-10-18 | Polypropylene cooling masterbatch and preparation method thereof |
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| CN2012103969821A CN102863694A (en) | 2012-10-18 | 2012-10-18 | Polypropylene cooling masterbatch and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103087422A (en) * | 2013-02-19 | 2013-05-08 | 复旦大学 | Random copolymerization polypropylene modified material |
| CN106751352A (en) * | 2016-12-26 | 2017-05-31 | 重庆普利特新材料有限公司 | A kind of super-high fluidity polypropylene aesthetic resin composite and preparation method thereof |
| CN108178868A (en) * | 2016-12-08 | 2018-06-19 | 上海杰事杰新材料(集团)股份有限公司 | Composite material and its preparation method and application |
| CN108822314A (en) * | 2018-04-18 | 2018-11-16 | 大庆海跃达科技有限公司 | A kind of polypropylene cooling masterbatch and its production method and the production die orifice for implementing this method |
| CN111499976A (en) * | 2020-05-22 | 2020-08-07 | 星贝达（上海）化工材料有限公司 | Polypropylene nucleating and cooling difunctional master batch and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101121799A (en) * | 2006-08-11 | 2008-02-13 | 广州市波斯塑胶颜料有限公司 | Low-luster polypropylene blending modified material and preparation method thereof |
-
2012
- 2012-10-18 CN CN2012103969821A patent/CN102863694A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101121799A (en) * | 2006-08-11 | 2008-02-13 | 广州市波斯塑胶颜料有限公司 | Low-luster polypropylene blending modified material and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103087422A (en) * | 2013-02-19 | 2013-05-08 | 复旦大学 | Random copolymerization polypropylene modified material |
| CN108178868A (en) * | 2016-12-08 | 2018-06-19 | 上海杰事杰新材料(集团)股份有限公司 | Composite material and its preparation method and application |
| CN106751352A (en) * | 2016-12-26 | 2017-05-31 | 重庆普利特新材料有限公司 | A kind of super-high fluidity polypropylene aesthetic resin composite and preparation method thereof |
| CN108822314A (en) * | 2018-04-18 | 2018-11-16 | 大庆海跃达科技有限公司 | A kind of polypropylene cooling masterbatch and its production method and the production die orifice for implementing this method |
| CN111499976A (en) * | 2020-05-22 | 2020-08-07 | 星贝达（上海）化工材料有限公司 | Polypropylene nucleating and cooling difunctional master batch and preparation method and application thereof |
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Application publication date: 20130109 |