CN101704997A - Halogen-free buckling deformation resistant reinforced high-temperature nylon and preparation method thereof - Google Patents
Halogen-free buckling deformation resistant reinforced high-temperature nylon and preparation method thereof Download PDFInfo
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- CN101704997A CN101704997A CN200910235154A CN200910235154A CN101704997A CN 101704997 A CN101704997 A CN 101704997A CN 200910235154 A CN200910235154 A CN 200910235154A CN 200910235154 A CN200910235154 A CN 200910235154A CN 101704997 A CN101704997 A CN 101704997A
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Abstract
The invention relates to an organic high-polymer composite, in particular to halogen-free buckling deformation resistant reinforced high-temperature nylon and a preparation method thereof. The halogen-free buckling deformation resistant reinforced high-temperature nylon comprises the following components by weight percentage: 49.5 to 90 percent of high-temperature nylon, 1 to 35 percent of halogen-free and alkali-free glass fiber, 1 to 30 percent of halogen-free glass beads, 1 to 5 percent of flexibilizer, 0.1 to 0.4 percent of coupling agent, and 0.1 to 5.5 percent of other assistants. The halogen-free buckling deformation resistant reinforced high-temperature nylon and the preparation method thereof are halogen-free and environment-friendly, have the additional characteristic of good resistance to buckling deformation on the basis of maintaining good comprehensive mechanical performances, are more suitable for being used for producing workpieces which need to be assembled tightly, such as mask/shell and product frameworks, and are also convenient for producing and purchasing, thus improving the comprehensive competitiveness of products in all aspects.
Description
Technical field
The present invention relates to a kind of organic polymer composite, more particularly, relate to a kind of halogen-free anti-buckling deformation and strengthen high-temperature nylon and preparation method thereof.
Background technology
At present, the application with metal in the alternative automotive industry of plastics constantly enlarges in the world, and scientist all over the world actively seeks new high-performance thermoplastics by various tests, also becomes enterprise and strives for more families and the important component part of extending volume growth.The development that glass strengthens high-temperature nylon makes this become possibility.High temperature resistant nylon can bring higher heat resistance for some parts.The equally also useful high temperature resistant nylon of the engine box of new automobile and the drift stop of automobile and clutch pack replaces the trend of metal and thermosetting material.These all will strengthen the demand to this high temperature resistant nylon material, thereby drive the nylon market requirement.
This material can anti-180 ℃ continuous high temperature, has excellent long-term and short term thermal performance, can tolerate infrared (IR) high temperature that reflow ovens produced that uses in the pb-free solder process, has excellent physical strength, and under wet environment, provide identical intensity and toughness, remarkable chemical resistant properties, excellent electrical characteristic, good surface appearance.But,, when moulding, produce big internal stress easily, thereby cause the final product buckling deformation because glass fibre has than big L/D ratio and causes orientation, anisotropy easily.These are the problem to be solved in the present invention just.
Series product of the present invention fully meet European Union's " waste and old electric electric installation " (WEEE) and " objectionable impurities limits the use of instruction " (RoHS) rules and other environmental regulations, and strict Application Areas can both be used.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, provide a kind of halogen-free anti-buckling deformation that on comprehensive mechanical performance keeps good basis, has increased the good feature of anti-buckling deformation to strengthen the high-temperature nylon raw material.
Technical scheme provided by the invention is as follows: a kind of halogen-free anti-buckling deformation of the present invention strengthens high-temperature nylon, forms high-temperature nylon by weight by following composition: 49.5-90%, Halogen alkali-free glass fiber: 1-35%; Halogen glass microballon: 1-30%; Toughner: 1-5%; Coupling agent: 0.1-0.4%; Other auxiliary agents: 0.1-5.5%.
The preparation technology that halogen-free anti-buckling deformation of the present invention strengthens the high-temperature nylon raw material is: earlier with high-temperature nylon, Halogen glass microballon, toughner, coupling agent, other auxiliary agents proportionally after the weighing in mixer low speed mixing 10 minutes, in proportion add the Halogen alkali-free glass fiber slow speed of revolution mixing extrude by the side through twin screw extruder under the screw combinations situation that medium tenacity is sheared again, the pelletizing of water-cooled tie rod makes halogen-free anti-buckling deformation through screening and dewatering and strengthens the green high temperature nylon material.
The present invention has effectively overcome the defective of prior art, has the following advantages:
A kind of halogen-free anti-buckling deformation of the present invention strengthens high-temperature nylon and manufacture craft thereof, has halogen-free environmental, and keep having increased the good feature of anti-buckling deformation on the good basis at comprehensive mechanical performance, face shield/shell and the product skeleton class product that is used to produce the need close fit preferably, and production procurement is convenient, comprehensive like this synthesized competitiveness that improves product.
Embodiment
Below be the most preferred embodiment that halogen-free anti-buckling deformation of the present invention strengthens the high-temperature nylon raw material, therefore do not limit protection scope of the present invention.
Embodiment one, provides a kind of halogen-free anti-buckling deformation to strengthen high-temperature nylon, forms high-temperature nylon by weight by following composition: 55%, and high temperature resistant black masterbatch: 1.5%; Halogen alkali-free glass fiber: 23%; Halogen glass microballon: 15%: toughner: 3%; Coupling agent: 0.3%; Other auxiliary agents: 2.2%;
Earlier with high-temperature nylon, high temperature resistant black masterbatch, Halogen glass microballon, toughner, coupling agent, other auxiliary agents proportionally after the weighing in mixer low speed mixing 10 minutes, mixer adopts low speed mixing, paddle should with the barrel gap less than 0.5 centimetre, the supplementary material mixed effect should visual various particles and powder even substantially, do not have obvious agglomerate or gather; Twin screw extruder uses 36 length-to-diameter ratios, the combination of medium tenacity shear screw, and setting is not higher than 200 rev/mins rotating speed; The Halogen alkali-free glass fiber is added in proportion by the side; Adopt water-cooled tie rod pelletizing mode, promptly make halogen-free anti-buckling deformation through screening and dewatering and strengthen high-temperature nylon material.
Claims (2)
1. a halogen-free anti-buckling deformation strengthens high-temperature nylon, it is characterized in that: form high-temperature nylon by weight by following composition: 49.5-90%, Halogen alkali-free glass fiber: 1-35%; Halogen glass microballon: 1-30%: toughner: 1-5%; Coupling agent: 0.1-0.4%; Other auxiliary agents: 0.1-5.5%.
2. one kind prepares the method that halogen-free anti-buckling deformation strengthens high-temperature nylon, it is characterized in that: comprise the steps: earlier with high-temperature nylon, Halogen glass microballon, toughner, coupling agent, other auxiliary agents proportionally after the weighing in mixer low speed mixing 10 minutes, in proportion add the Halogen alkali-free glass fiber slow speed of revolution mixing extrude by the side through twin screw extruder under the screw combinations situation that medium tenacity is sheared again, the pelletizing of water-cooled tie rod makes halogen-free anti-buckling deformation through screening and dewatering and strengthens high-temperature nylon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910235154A CN101704997A (en) | 2009-11-13 | 2009-11-13 | Halogen-free buckling deformation resistant reinforced high-temperature nylon and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910235154A CN101704997A (en) | 2009-11-13 | 2009-11-13 | Halogen-free buckling deformation resistant reinforced high-temperature nylon and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101704997A true CN101704997A (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910235154A Pending CN101704997A (en) | 2009-11-13 | 2009-11-13 | Halogen-free buckling deformation resistant reinforced high-temperature nylon and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN101704997A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102276977A (en) * | 2011-06-10 | 2011-12-14 | 东莞劲胜精密组件股份有限公司 | High-performance anti-warping nylon material and preparation method thereof |
| CN102898820A (en) * | 2012-11-05 | 2013-01-30 | 科创聚合物(苏州)有限公司 | Enhanced high-temperature nylon production process |
-
2009
- 2009-11-13 CN CN200910235154A patent/CN101704997A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102276977A (en) * | 2011-06-10 | 2011-12-14 | 东莞劲胜精密组件股份有限公司 | High-performance anti-warping nylon material and preparation method thereof |
| CN102276977B (en) * | 2011-06-10 | 2015-03-18 | 东莞劲胜精密组件股份有限公司 | High-performance anti-warping nylon material and preparation method thereof |
| CN102898820A (en) * | 2012-11-05 | 2013-01-30 | 科创聚合物(苏州)有限公司 | Enhanced high-temperature nylon production process |
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Open date: 20100512 |