CN1054259A - Modified polypropene washing machine inner tub material and preparation - Google Patents
Modified polypropene washing machine inner tub material and preparation Download PDFInfo
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- CN1054259A CN1054259A CN 91101408 CN91101408A CN1054259A CN 1054259 A CN1054259 A CN 1054259A CN 91101408 CN91101408 CN 91101408 CN 91101408 A CN91101408 A CN 91101408A CN 1054259 A CN1054259 A CN 1054259A
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- polypropylene
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- washing machine
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Abstract
A kind of modified polypropene washing machine inner tub material, it is once the blend of grain, polyethylene 7006A and SBS.Once grain is the blend of polypropylene 1300, mobile properties-correcting agent.With polypropylene 1300, a granulation of mobile properties-correcting agent blend, incite somebody to action once grain and polyethylene 7006A and SBS blend secondary granulation again.Tubbing prescription and technology are simple in this, have obtained good tensile property under the prerequisite of melting index that keeps satisfaction and shock strength.
Description
The invention belongs to high workability, impact-resistant polypropylene engineering plastics, particularly washing machine inner tub PP Pipe Compound and preparation technology.
The washing machine inner tub PP Pipe Compound requires to have higher flowability and impelling strength.In order to obtain this material, it is that/10 minutes acrylic resin of 5～60 grams is the blend of matrix resin and the composite nucleating agent be made up of oxalic acid and Sodium Benzoate that CN1034741A discloses a kind of melting index that contains with the organo-peroxide modification, not only to add ethylene-propylene rubber(EPR), and to add multiple organo-peroxide, prescription is complicated.And coming down to the binary blend of polypropylene and ethylene-propylene rubber(EPR), the tensile property of this blend is very not satisfactory.
The object of the present invention is to provide a kind of prescription simple, have washing machine inner tub PP Pipe Compound of good flowability, shock resistance and tensile property and preparation method thereof.
The present invention is achieved through the following technical solutions: a kind of modified polypropene washing machine inner tub PP Pipe Compound, it is once the blend of grain, polyethylene 7006A and SBS, the weight part of each component is respectively in the blend: once the grain 100, polyethylene 7006A3～50, SBS3～50.Once grain is the blend of polypropylene 1300 and mobile properties-correcting agent, and the weight part of 2 kinds of components is respectively: polypropylene 1300～100, mobile properties-correcting agent-3～50.Polypropylene 1300, mobile properties-correcting agent are mixed with high-speed mixer at normal temperatures according to 100: 3～50 part by weight, add a granulation of hot-extrudable cooling through forcing machine.The once grain that will cause then and polyethylene 7006A and SBS mix through high-speed mixer according to 100: 3～50: 3～50 part by weight, add hot-extrudable cooling secondary granulation through forcing machine again and promptly go out finished product.
The invention will be further described below in conjunction with a most preferred embodiment of the present invention: mobile properties-correcting agent adopts low-molecular-weight polypropylene content greater than 20% polypropylene.Polypropylene 1300, low-molecular-weight polypropylene content are mixed a granulation greater than 20% polypropylene according to 100: 3 part by weight, and once grain and polyethylene 7006A and SBS promptly go out finished product according to 100: 3: 3 part by weight secondary granulation then.
Prescription of the present invention and technology are simple, and secondary granulation is a tertiary blending, and the modified polypropene washing machine inner tub materials that prepare have obtained good tensile property under melting index that keeps satisfaction and shock strength prerequisite.Now the present invention (PP-HM-120) and the contrast of Japanese like product AY564 technical indicator are listed in the table below:
Project name PP-HM-120 AY564
Melting index g/10min 15 15
Stretching yield stress MPa 27.3 28
Tensile break stress MPa 21.0 18.5
Elongation at break % 709 100
Shock strength (23 ℃) 〉=4.00KJ/m
25.4 Izod
Material of the present invention can substitute the import polypropylene fully and use, and except that being used for washing machine inner tub, also can be used for making automobile, other household electrical appliance member and large thin-wall container.
Claims (3)
1, a kind of modified polypropene washing machine inner tub PP Pipe Compound is characterized in that it is once the blend of grain, polyethylene 7006A and SBS, and the weight part of each component is respectively in the blend:
Once the grain: 100,
Polyethylene 7006A:3～50,
SBS： 3～50，
Once grain is the blend of polypropylene 1300 and mobile properties-correcting agent, and the weight part of two kinds of components is respectively:
Polypropylene 1300:100,
Mobile properties-correcting agent: 3～50.
2, a kind of preparation method of modified polypropene washing machine inner tub PP Pipe Compound, it is characterized in that polypropylene 1300, mobile properties-correcting agent are mixed with high-speed mixer at normal temperatures according to 100: 3～50 part by weight, add a granulation of hot-extrudable cooling through forcing machine, the once grain that to make then and polyethylene 7006A and SBS mix through high-speed mixer according to 100: 3～50: 3～50 part by weight, add hot-extrudable cooling secondary granulation through forcing machine again.
3, according to the described modified polypropene washing machine inner tub of claim 1 material, it is characterized in that mobile properties-correcting agent adopts low-molecular-weight polypropylene content greater than 20% polypropylene, weight part the best of each component is in the blend:
Once the grain: 100,
Polyethylene 7006A:3,
SBS：3，
Once optimum weight part of 2 kinds of components is in the grain:
Polypropylene 1300:100
Low-molecular-weight polypropylene content is greater than 20% polypropylene: 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91101408 CN1018837B (en) | 1991-03-12 | 1991-03-12 | Modified polypropylene used for making internal drum of washer and preparing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91101408 CN1018837B (en) | 1991-03-12 | 1991-03-12 | Modified polypropylene used for making internal drum of washer and preparing process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1054259A true CN1054259A (en) | 1991-09-04 |
| CN1018837B CN1018837B (en) | 1992-10-28 |
Family
ID=4905066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91101408 Expired CN1018837B (en) | 1991-03-12 | 1991-03-12 | Modified polypropylene used for making internal drum of washer and preparing process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1018837B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1094136C (en) * | 2000-07-07 | 2002-11-13 | 清华大学 | Preparation of SBS-modified superhigh molecular weight composite polyethylene material |
| CN1123595C (en) * | 1998-08-31 | 2003-10-08 | 中国科学院化学研究所 | High-flowability polypropylene resin composition and its preparing process and usage |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2620379T3 (en) | 2013-01-31 | 2017-06-28 | Vertex Pharmaceuticals Inc. | Quinoline and quinoxaline amides as sodium channel modulators |
-
1991
- 1991-03-12 CN CN 91101408 patent/CN1018837B/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123595C (en) * | 1998-08-31 | 2003-10-08 | 中国科学院化学研究所 | High-flowability polypropylene resin composition and its preparing process and usage |
| CN1094136C (en) * | 2000-07-07 | 2002-11-13 | 清华大学 | Preparation of SBS-modified superhigh molecular weight composite polyethylene material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1018837B (en) | 1992-10-28 |
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