CN103589150A - Tarnish-resistant glass fiber reinforced flame retardant nylon resin composition and preparation method thereof - Google Patents
Tarnish-resistant glass fiber reinforced flame retardant nylon resin composition and preparation method thereof Download PDFInfo
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- CN103589150A CN103589150A CN201210288825.9A CN201210288825A CN103589150A CN 103589150 A CN103589150 A CN 103589150A CN 201210288825 A CN201210288825 A CN 201210288825A CN 103589150 A CN103589150 A CN 103589150A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention belongs to the technical field of high-molecular composite materials, and discloses a nylon resin composition and a preparation method thereof. The composition is prepared by using the following components, by weight, 30-60 parts of a nylon 66 resin, 6-20 parts of a nylon 6 resin, 15-30 parts of a glass fiber, 15-17 parts of a flame retardant, 1-3 parts of a synergistic agent and 0.7-1.3 parts of a processing assistant. The preparation method comprises the following steps: adding 30-60 parts of the dried nylon 66 resin, 6-20 parts of the dried nylon 6 resin, 15-17 parts of the processed flame retardant, 1-3 parts of the synergistic agent and 0.7-1.3 parts of the processing assistant into a high-speed mixer, and stirring in the high-speed mixer for 3-5min; adding the obtained uniformly mixed materials into a feeding port of a double screw extruder; and adding 15-30 parts of the dried glass fiber from a lateral feeding port of the double screw extruder , carrying out melt extrusion through the double screw extruder, and granulating to obtain the nylon resin composition. The tarnish-resistant nylon resin composition prepared in the invention has high mechanical properties and a good flame retardation effect.
Description
Technical field
The invention belongs to technical field of polymer composite materials, relate to a kind of anti-discolouring fiberglass reinforced fire retardant nylon resin composition and method of making the same.
Background technology
Nylon is being commonly called as of polyamide resin, and nylon resin is the general name of a large base polymer, and wherein the output of nylon 66 and nylon 6 accounts for more than 90%.Nylon resin has that physical strength is high, good toughness, antifatigue, have self lubricity, and frictional coefficient little, wear-resisting, heat-resisting (in 100 ℃ can life-time service), the easy advantage such as modification forming, have good over-all properties and be widely used.
Nylon material ratio is easier to modification, after glass strengthens, its intensity can obtain very significantly improving especially, and the fire-retardant rank of nylon resin itself can reach UL 94V-2 rank, and be easy to fire-retardantly, be often used to manufacture fire-retardant rank and require in higher electronic apparatus.But the nylon 66 material after fiberglass reinforced fire retardant, in injection moulding process, very high to the requirement of Shooting Technique, injection temperature is too high or shearing force is excessive, or in screw rod the residence time long, all can cause the decomposition of fire retardant material, cause product colour-change.
Summary of the invention
For the existing problem of above-mentioned prior art, the object of this invention is to provide a kind of anti-discolouring fiberglass reinforced fire retardant nylon resin composition.
Another object of the present invention is to provide a kind of preparation method of above-mentioned nylon resin composition.
Technical scheme of the present invention is as follows:
The invention provides a kind of anti-discolouring fiberglass reinforced fire retardant nylon resin composition, said composition is made by the component that comprises following weight part:
30 ~ 60 parts of Nylon 66s,
6 ~ 20 parts of Nylon 6s,
15 ~ 30 parts, glass fibre,
15 ~ 17 parts of fire retardants,
1 ~ 3 part of synergist,
0.7 ~ 1.3 part of processing aid.
The relative viscosity of described Nylon 66 is 2.5 ~ 3, preferably 2.7 ~ 2.9.
Described Nylon 6 is that relative viscosity is 2.3 ~ 3.4 nylon 6 slice.
Described glass fibre is alkali free glass fibre, and diameter is 7 ~ 15 μ m, preferably 9 ~ 14 μ m.
Described alkali free glass fibre is coiling or cuts into the short fiber that length is 2 ~ 4mm.
Described fire retardant is by main flame retardant and synergistic flame retardant is composite forms, and the ratio of main flame retardant and synergistic flame retardant is 2.7:1 ~ 3.4:1; Wherein: main flame retardant is further selected from one or more in TDE, brominated Polystyrene, brominated polystyrene; Synergistic flame retardant is antimonous oxide.
Described synergist is zinc oxide, commercially available, directly uses.
Described processing aid is lubricant or oxidation inhibitor; Wherein: lubricant is further selected from one or more in silicone oil, fatty acid amide, metallic soap of stearic acid class, fatty bisamide wax class, polyethylene wax class or brown coal cerinic acid glycol ester class; Oxidation inhibitor is further selected from one or more in Hinered phenols antioxidant, phosphite ester kind antioxidant; Phosphite ester kind antioxidant is further irgasfos 168, and Hinered phenols antioxidant is further oxidation inhibitor 1098.
The present invention also provides a kind of preparation method of above-mentioned nylon resin composition, and the method comprises the following steps:
The Nylon 6 that 30 ~ 60 parts of Nylon 66s that drying is processed, 6 ~ 20 parts of dryings are processed, 15 ~ 17 parts of treated fire retardants, 1 ~ 3 portions of synergist, 0.7 ~ 1.3 part of processing aid, add in high-speed mixer, stirs 3 ~ 5min in high-speed mixer; Then the material mixing is added to the charging opening of twin screw extruder; 15 ~ 30 parts of glass fibre add from the side loading mouth of twin screw extruder, and material melt extrudes through twin screw extruder, and granulation prepares nylon resin composition.
Described fire retardant is that the silicone of 1%wt mixes with accounting for fire retardant mass percent, adds high mixer, stirs 5 ~ 10min, then to add fire retardant mass percent be 1% calcium stearate, uses after continuing to stir 10 ~ 15min.
The drying treatment condition of described Nylon 66 is that temperature is 80 ~ 90 ℃, standby after dry 5 ~ 6h.
The drying treatment condition of described Nylon 6 is that temperature is 90 ~ 100 ℃, standby after dry 5 ~ 6h.
The complete processing of described twin screw extruder is: 210 ~ 250 ℃ of twin screw extruder one district's temperature, two 220 ~ 260 ℃ of district's temperature, three 225 ~ 265 ℃ of district's temperature, four 235 ~ 275 ℃ of district's temperature, five 225 ~ 265 ℃ of district's temperature, six 220 ~ 270 ℃ of district's temperature, 235 ~ 275 ℃ of head temperatures, engine speed is 15 ~ 35HZ.
Compared with the existing technology, tool has the following advantages and beneficial effect in the present invention:
1, the anti-discolouring nylon composite that the present invention makes has higher mechanical property, good flame retardant effect.
2, the anti-discolouring nylon composite that the present invention makes is in injection moulding process, and the energy residence time is longer, and colour-change is smaller, has good anti-discolouring effect.
3, in the present invention, anti-discolouring synergist is zinc oxide, and its advantage, for can be used as a kind of acid-acceptor, absorbs the allochroic acidic substance that produce in the fire retardant material course of processing, thereby prevents variable color in the glass fiber reinforced nylon material course of processing.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
The measuring mechanical property method of sample in following examples:
Composition of the present invention adopts the injection moulding of ASTM standard, and test sample is used injection molding machine of plastic injection moulding at 240-280 ℃.
Batten size (length x width x thickness) is respectively: tensile bars (dumbbell shape), 170mm * 13mm * 3.2mm; Crooked batten, 127mm * 13mm * 3.2mm; Non-notch impacts batten, 127mm * 13mm * 3.2mm; Notch shock batten, 127mm * 13mm * 3.2mm, v-notch, notch depth is 1/5.
After placing 16h in the standard environment that is (50 ± 5) % in temperature for (23 ± 2) ℃, humidity after sample moulding, test, test environment is that (23 ± 2) ℃, humidity are (50 ± 5) %.
Anti-discolouring experiment stops the different time by contrast material in injection moulding machine, the colour table aberration that then contrast is got.
Tensile strength and elongation at break: press ASTM D638 test, draw speed is 5mm/min.
Flexural strength and modulus in flexure: press ASTM D790 test, rate of bending is 1.25mm/min.
Simply supported beam notched Izod impact strength: press ASTM D6110 test.
Glass fiber content: press ASTM D2584 test.
Fire-retardant rank: press UL94 test.
In following examples: the drying treatment of Nylon 66 is: temperature is 80-90 ℃, standby after dry 5-6h; The drying treatment of Nylon 6 is for being 90-100 ℃ in temperature, standby after dry 5-6h.
Described fire retardant is that the silicone of 1%wt mixes with accounting for fire retardant mass percent, adds high mixer, stirs 5 ~ 10min, then to add fire retardant mass percent be 1% calcium stearate, uses after continuing to stir 10 ~ 15min.
Embodiment 1
(1) according to following weight part, take raw material:
59.3 parts of Nylon 66s (relative viscosity is 2.5-3),
6 parts of nylon 6 slices (relative viscosity is 2.3-3.4),
15 parts of alkali free glass fibres (diameter is 9 μ m, and length is 2mm),
17 parts of fire retardants,
2 parts, zinc oxide,
0.4 part, oxidation inhibitor 1098/168 (compound proportion is 1:1),
0.3 part of fatty acid amide,
Fire retardant wherein: main flame retardant is 12.5 parts of TDE, and synergist is 4.5 parts of antimonous oxides, and its ratio is 2.7:1;
(2) by the material weighing up in above-mentioned steps (1) except alkali free glass fibre, add in high-speed mixer and stir after 3-5min; The charging opening that adds twin screw extruder; The alkali free glass fibre of 15 parts is added from the venting port of forcing machine, through melt blending, extruding pelletization becomes composition again, and its correlated performance refers to table 1.Wherein the complete processing of twin screw extruder is: twin screw extruder one district temperature 210-250 ℃, two district temperature 220-260 ℃, three district temperature 225-265 ℃, four district temperature 235-275 ℃, five district temperature 225-265 ℃, six district temperature 220-270 ℃, head temperature 235-275 ℃, engine speed is 15-35HZ.
Embodiment 2
(1) according to following weight part, take raw material:
49.1 parts of Nylon 66s (relative viscosity is 2.5-3),
12 parts of nylon 6 slices (relative viscosity is 2.3-3.4),
20 parts of alkali free glass fibres (diameter is 14 μ m, and length is 4mm),
16 parts of fire retardants,
2 parts, zinc oxide,
0.4 part, oxidation inhibitor 1098/168 (compound proportion is 1:1),
0.5 part of polyethylene wax (AC-540A),
Fire retardant wherein: main flame retardant is 12 parts of TDE, and synergist is 4 parts of antimonous oxides, and its ratio is 3:1;
(2) by the material weighing up in above-mentioned steps (1) except alkali free glass fibre, add in high-speed mixer and stir after 3-5min; The charging opening that adds twin screw extruder; The alkali free glass fibre of 20 parts is added from the venting port of forcing machine, through melt blending, extruding pelletization becomes composition again, and its correlated performance refers to table 1.Wherein the complete processing of twin screw extruder is: twin screw extruder one district temperature 210-250 ℃, two district temperature 220-260 ℃, three district temperature 225-265 ℃, four district temperature 235-275 ℃, five district temperature 225-265 ℃, six district temperature 220-270 ℃, head temperature 235-275 ℃, engine speed is 15-35HZ.
Embodiment 3
(1) according to following weight part, take raw material:
30.7 parts of Nylon 66s (relative viscosity is 2.5-3),
20 parts of nylon 6 slices (relative viscosity is 2.3-3.4),
30 parts of alkali free glass fibres (diameter is 7 μ m, and length is 4mm),
15 parts of fire retardants,
3 parts, zinc oxide,
0.6 part, oxidation inhibitor 1098/168 (compound proportion is 1:1),
0.7 part of polyethylene wax (AC-540A),
Fire retardant wherein: main flame retardant is 11.5 parts of TDE, and synergist is 3.5 parts of antimonous oxides, and its ratio is 3.3:1;
(2) by the material weighing up in above-mentioned steps (1) except alkali free glass fibre, add in high-speed mixer and stir after 3-5min; The charging opening that adds twin screw extruder; The alkali free glass fibre of 30 parts is added from the venting port of forcing machine, through melt blending, extruding pelletization becomes composition again, and its correlated performance refers to table 1.Wherein the complete processing of twin screw extruder is: twin screw extruder one district temperature 210-250 ℃, two district temperature 220-260 ℃, three district temperature 225-265 ℃, four district temperature 235-275 ℃, five district temperature 225-265 ℃, six district temperature 220-270 ℃, head temperature 235-275 ℃, engine speed is 15-35HZ.
Embodiment 4
(1) according to following weight part, take raw material:
46.1 parts of Nylon 66s (relative viscosity is 2.5-3),
16 parts of nylon 6 slices (relative viscosity is 2.3-3.4),
20 parts, glass fibre (diameter is 7 μ m, and length is 3mm),
16 parts of fire retardants,
1 part, zinc oxide,
0.6 part, oxidation inhibitor 1098/168 (compound proportion is 1:1),
0.7 part of polyethylene wax (AC-540A),
Fire retardant wherein: main flame retardant is 12.4 parts of TDE, and synergist is 3.6 parts of antimonous oxides, and its ratio is 3.4:1;
(2) by the material weighing up in above-mentioned steps (1) except glass fibre, add in high-speed mixer and stir after 3-5min; The charging opening that adds twin screw extruder; The short glass fiber of 20 parts is added from the side loading mouth of forcing machine, through melt blending, extruding pelletization becomes composition again, and its correlated performance refers to table 1.Wherein the complete processing of twin screw extruder is: twin screw extruder one district temperature 210-250 ℃, two district temperature 220-260 ℃, three district temperature 225-265 ℃, four district temperature 235-275 ℃, five district temperature 225-265 ℃, six district temperature 220-270 ℃, head temperature 235-275 ℃, engine speed is 15-35HZ.
Table 1
| Performance | Testing method | Unit | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Flexural strength | ASTM D790 | MPa | 146 | 165 | 246 | 178 |
| Modulus in flexure | ASTM D790 | MPa | 4060 | 5662 | 7750 | 5800 |
| Tensile strength | ASTM D638 | MPa | 100 | 110 | 150 | 115 |
| Elongation at break | ASTM D638 | % | 14 | 8 | 11 | 9 |
| Charpy notch shock | ASTM D256 | KJ/m 2 | 6 | 7 | 13 | 8 |
| Ash content | ASTMD2584 | % | 15 | 20 | 30 | 20 |
| Fire-retardant | UL 94 | V-0 | V-0 | V-0 | V-0 |
Comparative example 1
(1) according to following weight part, take raw material:
51.1 parts of Nylon 66s (relative viscosity is 2.5-3),
12 parts of nylon 6 slices (relative viscosity is 2.3-3.4),
15 parts of alkali free glass fibres (diameter is 15 μ m,, length is 4mm),
16 parts of fire retardants,
0.4 part, oxidation inhibitor 1098/168 (compound proportion is 1:1),
0.5 part of polyethylene wax (AC-540A),
Fire retardant wherein: main flame retardant is 12 parts of TDE, and synergist is 4 parts of antimonous oxides, and its ratio is 3:1;
(2) by the material weighing up in above-mentioned steps (1) except alkali free glass fibre, add in high-speed mixer and stir after 3-5min; The charging opening that adds twin screw extruder; The alkali free glass fibre of 20 parts is added from the venting port of forcing machine, through melt blending, extruding pelletization becomes composition again, and its correlated performance refers to table 2.Wherein the complete processing of twin screw extruder is: twin screw extruder one district temperature 210-250 ℃, two district temperature 220-260 ℃, three district temperature 225-265 ℃, four district temperature 235-275 ℃, five district temperature 225-265 ℃, six district temperature 220-270 ℃, head temperature 235-275 ℃, engine speed is 15-35HZ.
Table 2
| Performance | Testing method | Unit | Comparative example 1 |
| Flexural strength | ASTM D790 | MPa | 175 |
| Modulus in flexure | ASTM D790 | MPa | 5700 |
| Tensile strength | ASTM D638 | MPa | 116 |
| Elongation at break | ASTM D638 | % | 9 |
| Charpy notch shock | ASTM D256 | KJ/m 2 | 9 |
| Ash content | ASTM D2584 | % | 20 |
| Fire-retardant | UL 94 | V-0 |
Embodiment and comparative example stop different time in screw rod, and contrast colour table aberration result is as shown in table 3:
Table 3
As can be seen from the above embodiments, the anti-discolouring effect that the anti-discolouring fiberglass reinforced fire retardant nylon composite that the present invention makes has stops after 300s in screw rod, with the colour table △ E minimum of short residence time(SRT) be 1.91, △ E is the highest is no more than 5, has good anti-discolouring effect.
The above-mentioned description to embodiment is can understand and apply the invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to the embodiment here, those skilled in the art are according to announcement of the present invention, and not departing from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (10)
1. a nylon resin composition, is characterized in that: said composition is made by the component that comprises following weight part:
30 ~ 60 parts of Nylon 66s,
6 ~ 20 parts of Nylon 6s,
15 ~ 30 parts, glass fibre,
15 ~ 17 parts of fire retardants,
1 ~ 3 part of synergist,
0.7 ~ 1.3 part of processing aid.
2. nylon resin composition according to claim 1, is characterized in that: the relative viscosity of described Nylon 66 is 2.5 ~ 3, preferably 2.7 ~ 2.9.
3. nylon resin composition according to claim 1, is characterized in that: described Nylon 6 is that relative viscosity is 2.3 ~ 3.4 nylon 6 slice.
4. nylon resin composition according to claim 1, is characterized in that: described glass fibre is alkali free glass fibre, and diameter is 7 ~ 15 μ m, preferably 9 ~ 14 μ m.
5. nylon resin composition according to claim 3, is characterized in that: described alkali free glass fibre is coiling or cuts into the short fiber that length is 2 ~ 4mm.
6. nylon resin composition according to claim 1, is characterized in that: described fire retardant is by main flame retardant and synergistic flame retardant is composite forms, and the ratio of main flame retardant and synergistic flame retardant is 2.7:1 ~ 3.4:1; Wherein: main flame retardant is further selected from one or more in TDE, brominated Polystyrene, brominated polystyrene; Synergistic flame retardant is antimonous oxide.
7. nylon resin composition according to claim 1, is characterized in that: described synergist is zinc oxide.
8. nylon resin composition according to claim 1, is characterized in that: described processing aid is lubricant or oxidation inhibitor; Wherein: lubricant is further selected from one or more in silicone oil, fatty acid amide, metallic soap of stearic acid class, fatty bisamide wax class, polyethylene wax class or brown coal cerinic acid glycol ester class; Oxidation inhibitor is further selected from one or more in Hinered phenols antioxidant, phosphite ester kind antioxidant; Phosphite ester kind antioxidant is further irgasfos 168, and Hinered phenols antioxidant is further oxidation inhibitor 1098.
9. the preparation method of the arbitrary described nylon resin composition of claim 1 to 7, is characterized in that: the method comprises the following steps:
The Nylon 6 that 30 ~ 60 parts of Nylon 66s that drying is processed, 6 ~ 20 parts of dryings are processed, 15 ~ 17 parts of treated fire retardants, 1 ~ 3 portions of synergist, 0.7 ~ 1.3 part of processing aid, add in high-speed mixer, stirs 3 ~ 5min in high-speed mixer; Then the material mixing is added to the charging opening of twin screw extruder; 15 ~ 30 parts of glass fibre add from the side loading mouth of twin screw extruder, and material melt extrudes through twin screw extruder, and granulation prepares nylon resin composition.
10. the preparation method of nylon resin composition according to claim 8, it is characterized in that: described fire retardant is that the silicone of 1%wt mixes with accounting for fire retardant mass percent, add high mixer, stir 5 ~ 10min, adding fire retardant mass percent is 1% calcium stearate again, uses after continuing to stir 10 ~ 15min;
The drying treatment condition of described Nylon 66 is that temperature is 80 ~ 90 ℃, standby after dry 5 ~ 6h;
The drying treatment condition of described Nylon 6 is that temperature is 90 ~ 100 ℃, standby after dry 5 ~ 6h;
The complete processing of described twin screw extruder is: 210 ~ 250 ℃ of twin screw extruder one district's temperature, two 220 ~ 260 ℃ of district's temperature, three 225 ~ 265 ℃ of district's temperature, four 235 ~ 275 ℃ of district's temperature, five 225 ~ 265 ℃ of district's temperature, six 220 ~ 270 ℃ of district's temperature, 235 ~ 275 ℃ of head temperatures, engine speed is 15 ~ 35HZ.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106009657A (en) * | 2016-06-24 | 2016-10-12 | 宁波汇邦尼龙科技有限公司 | Flame-retardant and high-heat-resistant contactor nylon material |
| CN112358723A (en) * | 2020-09-29 | 2021-02-12 | 天津金发新材料有限公司 | High-heat-resistance flame-retardant nylon 66 composite material |
| CN112375377A (en) * | 2020-11-25 | 2021-02-19 | 安特普工程塑料（苏州）有限公司 | Lightweight flame-retardant polymer composite material |
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| JPS63186763A (en) * | 1987-01-28 | 1988-08-02 | Sumitomo Bakelite Co Ltd | Polyamide resin composition |
| US5296533A (en) * | 1991-11-14 | 1994-03-22 | Sumitomo Chemical Company, Limited | Thermoplastic resin composition having improved resistance to discoloration from sunlight |
| US5478878A (en) * | 1992-04-14 | 1995-12-26 | Sumitomo Chemical Company, Limited | Thermoplastic composition |
| JPH07196869A (en) * | 1994-01-05 | 1995-08-01 | Mitsubishi Gas Chem Co Inc | Discoloration-proof antibacterial resin composition |
| CN1861690A (en) * | 2006-06-19 | 2006-11-15 | 张乃斌 | Fire retarded plastic composition contg. antiacid type stabilizing agent |
| CN101165097A (en) * | 2007-09-30 | 2008-04-23 | 深圳市科聚新材料有限公司 | Hexamethylene diamine adipate fibre-adding anti-flaming modified material and preparation method thereof |
| CN102388095A (en) * | 2009-04-09 | 2012-03-21 | 索维高级聚合物股份有限公司 | Improved halogen free flame retardant polyamide composition |
| CN102382466A (en) * | 2011-11-25 | 2012-03-21 | 深圳市科聚新材料有限公司 | High-stability PA66 modified material and preparation method thereof |
| CN102532878A (en) * | 2011-12-16 | 2012-07-04 | 上海俊尔新材料有限公司 | Bromine-free flame-retardant nylon |
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| CN106009657A (en) * | 2016-06-24 | 2016-10-12 | 宁波汇邦尼龙科技有限公司 | Flame-retardant and high-heat-resistant contactor nylon material |
| CN112358723A (en) * | 2020-09-29 | 2021-02-12 | 天津金发新材料有限公司 | High-heat-resistance flame-retardant nylon 66 composite material |
| CN112358723B (en) * | 2020-09-29 | 2023-04-14 | 天津金发新材料有限公司 | High-heat-resistance flame-retardant nylon 66 composite material |
| CN112375377A (en) * | 2020-11-25 | 2021-02-19 | 安特普工程塑料（苏州）有限公司 | Lightweight flame-retardant polymer composite material |
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