CN101649103A - High effective green environmentally friendly toughened POM and preparation method thereof - Google Patents
High effective green environmentally friendly toughened POM and preparation method thereof Download PDFInfo
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- CN101649103A CN101649103A CN200910034581A CN200910034581A CN101649103A CN 101649103 A CN101649103 A CN 101649103A CN 200910034581 A CN200910034581 A CN 200910034581A CN 200910034581 A CN200910034581 A CN 200910034581A CN 101649103 A CN101649103 A CN 101649103A
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- polyoxymethylene
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Abstract
The invention relates to an organic macromolecular composite material, in particular to a toughened polyformaldehyde and a preparation method thereof. The polyformaldehyde comprises the following components by weight percent: 70-97% of polyformaldehyde (POM), 3-30% of impact resistant modifier, 0.3-1.0% of antioxidant 1010, 0.3-1.0% of antioxidant 168, 0.4-1.0% of aldehyde-absorbing agent and 0.1-0.5% of the other additives. The raw materials in the production of the high effective green environmentally friendly toughened POM is easy to purchase, produce and use and the prepared product has high cost performance so that the condition that the toughened POM is limited to use owning to various results is changed and the competitive strength of the toughened POM is increased comprehensively.
Description
Technical field
The present invention relates to a kind of organic polymer composite, more particularly, relate to a kind of improvement flexible polyoxymethylene and preparation method thereof.
Background technology
The Research on Toughening of polyoxymethylene (POM) is difficult point of POM study on the modification. the toughness reinforcing research to polyoxymethylene (POM) of a lot of mechanisms and enterprise arranged at present, but often always do not exist certain aspect performance open defect or cost performance high and can not large-scale production.More in the market research direction is: some co-mixing systems of molten alloy reinforced polyformaldehyde (POM), as POM/PUR-T, POM/PP, POM/NBR, POM/PA and inorganic particle toughened POM system;
The toughness reinforcing of POM the most easily goes with elastic body toughening.Recent years, research Polyurethane Thermoplastic Elastomer (TPU), paracril (NBR), terpolymer EP rubber (EPDM), 4 kinds of elastomericss of ethylene-octene copolymer (POE) of elastic body toughening POM were toughness reinforcing to POM's, wherein, have the following disadvantages in the existing polyoxymethylene toughening technology with toughening effect the best of TPU:
Though 1, by with elastomerics can bigger raising polyoxymethylene shock strength, the tensile strength and the rigidity of polyoxymethylene decline by a big margin, and are difficult to obtain strong and unyielding comparatively equilibrated polyoxymethylene; Though polymkeric substance such as nano-rubber can improve the toughness of polyoxymethylene, increase rate is little, the polyoxymethylene blends of the high tenacity that is difficult to make; Elastomerics and nano-rubber cost an arm and a leg, and the high-ductility polyformaldehyde cost that makes is higher;
2, have coating, peel off, the ultrathin composite powder of the isostructural elastomerics of intercalation and inorganic superfine powder body; with polyoxymethylene blended; realize the performance advantage complementation of elastomerics and ultrafine inorganic powder; reduce expensive elastomeric consumption significantly; can prepare and have good rigidity and toughness, and the low high-ductility polyformaldehyde blend of material cost, though material cost is low; but have inconvenient mass-producing mass production, quality product is difficult to the shortcoming of control stabilization simultaneously.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of production and easy to use is provided, the improvement toughness environmental protection polyoxymethylene raw material that cost performance is high.
Technical scheme provided by the invention is as follows: toughness reinforcing environmental protection POM, form by weight by following composition, polyoxymethylene (POM): 70-97%, anti-impact modifier: 3-30%, antioxidant 1010: 0.3-1.0%, oxidation inhibitor 168:0.3-1.0% inhales the aldehyde agent: 0.02-10.0%, other auxiliary agent: 0.1-0.5%.
Toughness reinforcing environmental protection POM raw material production flow process of the present invention is: earlier with polyoxymethylene (POM), anti-impact modifier, antioxidant 1010, oxidation inhibitor 168, inhale aldehyde agent, other auxiliary agent proportionally after the weighing in mixer low speed mixing 10 minutes, through twin screw extruder mixing extruding under the screw combinations situation that medium tenacity is sheared, the pelletizing of water-cooled tie rod makes high effective green environmentally friendly toughened POM raw material again.
The present invention has effectively overcome the defective of existing toughness reinforcing POM, has the following advantages:
A kind of high effective green environmentally friendly toughened POM of the present invention and manufacture craft thereof, the materials procurement of its production usefulness is convenient, production and easy to use, the product price ratio height of producing, so just change reinforced polyformaldehyde and be limited the situation used at present because of various reasons, improved competitive power comprehensively.
Embodiment
Below be the most preferred embodiment of toughness reinforcing environmental protection POM raw material of the present invention, therefore do not limit protection scope of the present invention.
Embodiment one, and a kind of toughness reinforcing environmental protection POM raw material is provided, and is made up of by weight following composition, polyoxymethylene (POM): 73%, anti-impact modifier: 27%, antioxidant 1010: 0.8%, oxidation inhibitor 168:0.8%, inhale the aldehyde agent: 0.5%, other auxiliary agent: 0.2%.
Polyoxymethylene adopts the standard flow grade, and melt flow rate (MFR) is 9; 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, and medium tenacity is sheared; The extruding pelletization temperature evenly reduces by section step by step in 180-165 degree interval; Adopt water-cooled tie rod pelletizing mode, promptly make toughness reinforcing environmental protection POM raw material.
Claims (2)
1, a kind of high effective green environmentally friendly toughened POM, it is characterized in that: form by weight by following composition, polyoxymethylene (POM): 70-97%, anti-impact modifier: 3-30%, antioxidant 1010: 0.3-1.0%, oxidation inhibitor 168:0.3-1.0% inhales the aldehyde agent: 0.4-1.0%, other auxiliary agent: 0.1-0.5%.
2, a kind of method for preparing high effective green environmentally friendly toughened POM, it is characterized in that: comprise the steps: earlier with polyoxymethylene (POM), anti-impact modifier, antioxidant 1010, oxidation inhibitor 168, inhale aldehyde agent, other auxiliary agent proportionally after the weighing in mixer low speed mixing 10 minutes, through twin screw extruder mixing extruding under the screw combinations situation that medium tenacity is sheared, the pelletizing of water-cooled tie rod makes high effective green environmentally friendly toughened POM raw material again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910034581A CN101649103A (en) | 2009-09-02 | 2009-09-02 | High effective green environmentally friendly toughened POM and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910034581A CN101649103A (en) | 2009-09-02 | 2009-09-02 | High effective green environmentally friendly toughened POM and preparation method thereof |
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| CN101649103A true CN101649103A (en) | 2010-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910034581A Pending CN101649103A (en) | 2009-09-02 | 2009-09-02 | High effective green environmentally friendly toughened POM and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382416A (en) * | 2010-09-06 | 2012-03-21 | 苏州工业园区鑫丰林塑料科技有限公司 | Persistent plastic |
| CN102875957A (en) * | 2012-11-05 | 2013-01-16 | 科创聚合物(苏州)有限公司 | Manufacturing process of environmental-friendly toughening POM (polyformaldehyde) |
| CN103804848A (en) * | 2014-02-27 | 2014-05-21 | 苏州市涵信塑业有限公司 | Improved POM (Polyoxymethylene) plastic |
| CN106009481A (en) * | 2016-05-23 | 2016-10-12 | 重庆理工大学 | In-situ core-shell structure toughened polyformaldehyde and preparation method thereof |
| CN109575507A (en) * | 2018-12-11 | 2019-04-05 | 科创聚合物(苏州)有限公司 | High-toughness high-strength POM material manufacture craft |
-
2009
- 2009-09-02 CN CN200910034581A patent/CN101649103A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382416A (en) * | 2010-09-06 | 2012-03-21 | 苏州工业园区鑫丰林塑料科技有限公司 | Persistent plastic |
| CN102875957A (en) * | 2012-11-05 | 2013-01-16 | 科创聚合物(苏州)有限公司 | Manufacturing process of environmental-friendly toughening POM (polyformaldehyde) |
| CN103804848A (en) * | 2014-02-27 | 2014-05-21 | 苏州市涵信塑业有限公司 | Improved POM (Polyoxymethylene) plastic |
| CN106009481A (en) * | 2016-05-23 | 2016-10-12 | 重庆理工大学 | In-situ core-shell structure toughened polyformaldehyde and preparation method thereof |
| CN106009481B (en) * | 2016-05-23 | 2018-01-12 | 重庆理工大学 | A kind of core shell structure reinforced polyformaldehyde in situ and preparation method thereof |
| CN109575507A (en) * | 2018-12-11 | 2019-04-05 | 科创聚合物(苏州)有限公司 | High-toughness high-strength POM material manufacture craft |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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Open date: 20100217 |