CN101503570A - Glass fiber reinforced environment-friendly flame-retardant nylon alloy for thin-walled products and preparation method thereof - Google Patents
Glass fiber reinforced environment-friendly flame-retardant nylon alloy for thin-walled products and preparation method thereof Download PDFInfo
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- CN101503570A CN101503570A CNA2009100374051A CN200910037405A CN101503570A CN 101503570 A CN101503570 A CN 101503570A CN A2009100374051 A CNA2009100374051 A CN A2009100374051A CN 200910037405 A CN200910037405 A CN 200910037405A CN 101503570 A CN101503570 A CN 101503570A
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Abstract
The invention discloses a glass fiber reinforced environment-friendly flame-retardant nylon alloy for thin-walled products, which mainly comprises the following components: nylon 66 resin: 25-35% of nylon 6 resin: 8.85-16.55%, glass fiber: 25-30% of glass beads: 3-6% of decabromodiphenylethane: 14-20%, antimony trioxide: 4-7% of an antioxidant 1010: 0.05-0.15%, antioxidant 168: 0.1 to 0.3%, compatibilizer EPDM-g-MAH: 1-4%; the method for preparing the nylon alloy comprises the following steps: weighing the components according to the percentage, uniformly mixing, putting into a double-screw extruder, then quantitatively adding continuous glass fiber, fully melting and compounding in the double-screw extruder, extruding through a machine head, bracing, cooling, granulating, drying, and finally packaging. The invention aims to provide a glass fiber reinforced environment-friendly flame-retardant nylon alloy with good flame retardant property and thin wall property.
Description
Technical field
The present invention relates to a kind of glass fiber reinforced environment friendly flame-retardant nylon alloy that is used for thin-gage goods, the invention still further relates to a kind of preparation method of this nylon alloy.
Background technology
Nylon occupies first of the five large-engineering plastics (polymeric amide, polycarbonate, polyoxymethylene, Noryl, thermoplastic polyester).Nylon 66 is not only the nylon kind that success is the earliest developed, and accounts for about 90% of nylon ultimate production as the principal item in the nylon with nylon 6.
Nylon 66 has the favorable mechanical performance, has higher intensity, rigidity and toughness in the scope of broad.Wear resistance, creep resistant and self lubricity are good.Thermotolerance and resistance to low temperature are good, belong to the self-extinguishing material.But, dimensional stability, flame retardant resistance and the fire-retardant feature of environmental protection of nylon product are had higher requirement along with the electric industry of China develops towards aspects such as miniaturization, thin-walled property, high performances.
Because the relative viscosity of nylon 66 is higher, work range is narrower, and it is relatively harsher that nylon 66 is strengthened when flame-retardant modified processing conditions.In order to satisfy thin-walled property and the high performance that strengthens fire retardant material, processing conditions is just harsh more, to such an extent as to be easy to cause material to burn phenomenon yellow, blackout owing to local temperature in the course of processing is high slightly, thereby cause the comparison severity of the various aspects of performance decline of material, and can not satisfy the requirement of outward appearance aspect.
Summary of the invention
The objective of the invention is provides the glass fiber reinforced environment friendly flame-retardant that a kind of flame retardant properties is good, the thin-walled property performance is good nylon alloy in order to overcome weak point of the prior art.
Another object of the present invention provides a kind of above-mentioned method that is used for the glass fiber reinforced environment friendly flame-retardant nylon alloy of thin-gage goods for preparing.
In order to achieve the above object, the present invention adopts following scheme:
A kind of glass fiber reinforced environment friendly flame-retardant nylon alloy that is used for thin-gage goods, it mainly comprises the component of following percentage composition:
Nylon 66 25～35%
Nylon 6 8.85～16.55%
Glass fibre 25～30%
Glass microballon 3～6%
TDE 14～20%
Antimonous oxide 4～7%
Antioxidant 1010 0.05～0.15%
Oxidation inhibitor 168 0.1～0.3%
Compatilizer EPDM-g-MAH 1～4%.
A kind ofly prepare the above-mentioned method that is used for the glass fiber reinforced environment friendly flame-retardant nylon alloy of thin-gage goods, it may further comprise the steps: take by weighing each component materials by above-mentioned percentage, Nylon 66, Nylon 6, glass microballon, TDE, antimonous oxide, antioxidant 1010, oxidation inhibitor 168, compatilizer EPDM-g-MAH are mixed the back to be dropped in the twin screw extruder, quantitatively add continuous glass fibre again, fully fusion in twin screw extruder, compound, through head extrude, tie rod, cooling, pelletizing, drying, packing at last.
In sum, beneficial effect of the present invention:
The present invention adopts nylon alloy material, utilizes the high workability of nylon 6 and the consistency good with nylon 66, improves the infiltration and the dispersion of 66 pairs of glasses of nylon and fire retardant.Keeping nylon 66 to strengthen on the every mechanical property and resistance toheat basis of flame retardant products as far as possible, providing better modification direction towards thin-walled property and high performance development.Simultaneously, adopt the environmental protection fire retarding agent TDE, produce the possibility of dioxin-like chemical after avoiding burning, satisfy the ROSH of European Union environmental requirement fully.
Embodiment
Below in conjunction with embodiment the present invention is described further:
Embodiment 1
Take by weighing the component of following percentage composition:
Nylon 66 25%
Nylon 6 16.55%
Glass fibre 30%
Glass microballon 3%
TDE 20%
Antimonous oxide 4%
Antioxidant 1010 0.15%
Oxidation inhibitor 168 0.3%
Compatilizer EPDM-g-MAH 1%
Nylon 66, Nylon 6, glass microballon, TDE, antimonous oxide, antioxidant 1010, oxidation inhibitor 168, compatilizer EPDM-g-MAH are mixed the back to be dropped in the twin screw extruder, quantitatively add continuous glass fibre again, fully fusion in twin screw extruder, compound, through head extrude, tie rod, cooling, pelletizing, drying, packing at last.
Embodiment 2
Take by weighing the component of following percentage composition:
Nylon 66 35%
Nylon 6 8.85%
Glass fibre 25%
Glass microballon 6%
TDE 14%
Antimonous oxide 7%
Antioxidant 1010 0.05%
Oxidation inhibitor 168 0.1%
Compatilizer EPDM-g-MAH 4%
Nylon 66, Nylon 6, glass microballon, TDE, antimonous oxide, antioxidant 1010, oxidation inhibitor 168, compatilizer EPDM-g-MAH are mixed the back to be dropped in the twin screw extruder, quantitatively add continuous glass fibre again, fully fusion in twin screw extruder, compound, through head extrude, tie rod, cooling, pelletizing, drying, packing at last.
Embodiment 3
Take by weighing the component of following percentage composition:
Nylon 66 30%
Nylon 6 14.7%
Glass fibre 27%
Glass microballon 5%
TDE 15%
Antimonous oxide 5%
Antioxidant 1010 0.1%
Oxidation inhibitor 168 0.2%
Compatilizer EPDM-g-MAH 3%
Nylon 66, Nylon 6, glass microballon, TDE, antimonous oxide, antioxidant 1010, oxidation inhibitor 168, compatilizer EPDM-g-MAH are mixed the back to be dropped in the twin screw extruder, quantitatively add continuous glass fibre again, fully fusion in twin screw extruder, compound, through head extrude, tie rod, cooling, pelletizing, drying, packing at last.
Comparative Examples 1
Take by weighing the component of following percentage composition:
Nylon 66 44.7%
Glass fibre 30%
TDE 16%
Antimonous oxide 6%
Antioxidant 1010 0.1%
Oxidation inhibitor 168 0.2%
Compatilizer EPDM-g-MAH 3%
Nylon 66, TDE, antimonous oxide, antioxidant 1010, oxidation inhibitor 168, compatilizer EPDM-g-MAH are mixed the back to be dropped in the twin screw extruder, quantitatively add continuous glass fibre again, fully fusion in twin screw extruder, compound, through head extrude, tie rod, cooling, pelletizing, drying, packing at last.
Product in embodiment 1-3 and the Comparative Examples 1 is carried out performance tests such as tensile strength, elongation at break, flexural strength, modulus in flexure, shock strength, calcination be residual, the mobile batten of weighing the test employing is of a size of: length 110mm, width 13mm, thickness 1mm, and carry out under conditions such as same injection temperature, pressure, speed, test result is as follows:
Table 1 is the performance test contrast table of embodiment 1-3 and Comparative Examples 1 product
| Performance index | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative Examples |
| Tensile strength (MPa) | 141.92 | 137.24 | 139.52 | 145.05 |
| Elongation at break (%) | 2.5 | 2.8 | 2.6 | 2.3 |
| Flexural strength (MPa) | 207.88 | 200.56 | 203.42 | 214.01 |
| Modulus in flexure (MPa) | 7380 | 7121 | 7298 | 7850 |
| Shock strength (KJ/M 2) | 9.5 | 9.6 | 10.3 | 8.6 |
| 1mm thickness batten injection moulding situation | Injection moulding is full | Injection moulding is full | Injection moulding is full | Injection moulding is discontented |
| UL?94(1/16in) | V-0 | V-0 | V-0 | V-0 |
| Calcination is residual | 33％ | 31％ | 33％ | 30％ |
Claims (2)
1, a kind of glass fiber reinforced environment friendly flame-retardant nylon alloy that is used for thin-gage goods, it mainly comprises the component of following percentage composition:
Nylon 66 25～35%
Nylon 6 8.85～16.55%
Glass fibre 25～30%
Glass microballon 3～6%
TDE 14～20%
Antimonous oxide 4～7%
Antioxidant 1010 0.05～0.15%
Oxidation inhibitor 168 0.1～0.3%
Compatilizer EPDM-g-MAH 1～4%.
2, a kind of described a kind of method that is used for the glass fiber reinforced environment friendly flame-retardant nylon alloy of thin-gage goods of claim 1 for preparing, it may further comprise the steps: take by weighing each component materials by above-mentioned percentage, with Nylon 66, Nylon 6, glass microballon, TDE, antimonous oxide, antioxidant 1010, oxidation inhibitor 168, compatilizer EPDM-g-MAH mixes the back and drops in the twin screw extruder, quantitatively add continuous glass fibre again, fully fusion in twin screw extruder, compound, extrude through head, tie rod, cooling, pelletizing, drying, packing at last.
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| CN2009100374051A CN101503570B (en) | 2009-02-21 | 2009-02-21 | Glass fiber reinforced environment-friendly flame-retardant nylon alloy for thin-walled products and preparation method thereof |
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| CN2009100374051A CN101503570B (en) | 2009-02-21 | 2009-02-21 | Glass fiber reinforced environment-friendly flame-retardant nylon alloy for thin-walled products and preparation method thereof |
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| CN101503570B CN101503570B (en) | 2011-07-27 |
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Effective date of registration: 20170731 Address after: 528300, Foshan District, Guangdong City, Shunde Province town (street) Jane village, two ring road, South 02 plots Patentee after: GUANGDONG SUNWILL SAITECH ENGINEERING PLASTICS DEVELOPMENT CO., LTD. Address before: 528400 Huang Town, Guangdong City, Zhongshan Province Patentee before: Zhongshan Saite Engineering Plastic Co., Ltd. |
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