CN109535699A - A kind of halogen-free flameproof modified nylon-6 material and preparation method thereof - Google Patents
A kind of halogen-free flameproof modified nylon-6 material and preparation method thereof Download PDFInfo
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- CN109535699A CN109535699A CN201811282981.8A CN201811282981A CN109535699A CN 109535699 A CN109535699 A CN 109535699A CN 201811282981 A CN201811282981 A CN 201811282981A CN 109535699 A CN109535699 A CN 109535699A
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- Prior art keywords
- halogen
- metallic pigments
- modified nylon
- free flameproof
- polyamide
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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
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of halogen-free flameproof modified nylon-6 materials and preparation method thereof, the material includes following components by mass percentage: polyamide 6 30-70%, unformed polyamide 10-40%, halogen-free flame retardants 10-20%, metallic pigments 5-15%, antioxidant 0.1-0.6%, lubricant 0.1-0.6%；The preparation method includes: that the building block system that the raw material other than metallic pigments is put into draw ratio 40-44 1) is engaged parallel double-screw extruder in the same direction to carry out mixing extrusion；2) metallic pigments are added with side feeder from the 5th area of double screw extruder or the 6th area or District 7 or Section Eight；3) metallic pigments rear thread element is added to weaken using dispersion, is distributed the combination of reinforcement.By the above-mentioned means, by the present invention in that with special nylon base, and add the halogen-free flame retardants of rational proportion, metallic pigments etc., make material with excellent flame retardant property, mechanical performance and metallic luster.
Description
Technical field
The present invention relates to technical field of polymer materials, more particularly to a kind of halogen-free flameproof modified nylon-6 material and its
Preparation method.
Background technique
Metal spraying technique is widely used in the application fields such as household electrical appliances, consumer electronics, automobile interior exterior decorations, but spraying process is deposited
In biggish environmental pollution, there is very big damage to operator's health, and finished product fraction defective is high, causes product with high costs.With
Country to environmental protection increasingly pay attention to, cause spray cost steeply rise.Metal effect exempts from sprayed on material due to its straight forming
Metallic luster, and 100% recyclable recycling are just had, therefore becomes the selection of the raw manufacturer of more and more components.
With the development for exempting from painted plastic, metallic pigments are added in the substrates such as PP, ABS, PC/ABS, obtain metallic luster
Exempt from the way of spraying effect into the strength rival of conventional spray paint technique.But it is general after such plastic basis material addition metallic pigments
Store-through is in open defects such as current mark, weld bonds, and the reduction of mechanical performance in various degree.And due to the guarantor without paint
Shield, common plastics not scratch resistance, not wear-resisting defect, which have appeared rapidly, to be come out.Additionally, due to the addition of conventional flame retardant, lead to gold
Belong to gloss sharply to decline, surface is intense darkness without light, loses aesthetic feeling.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of halogen-free flameproof modified nylon-6 material and preparation method thereof,
Using special nylon base, and add proportion reasonable high-quality and efficient fire retardant, metallic pigments etc., make material with excellent
Flame retardant property, mechanical performance and metallic luster can solve existing plastics and exempts from drawbacks described above present in sprayed on material.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of modified Buddhist nun of halogen-free flameproof is provided
Imperial 6 materials, include following components by mass percentage:
Polyamide 6 30-70%
Unformed polyamide 10-40%
Halogen-free flame retardants 10-20%
Metallic pigments 5-15%
Antioxidant 0.1-0.6%
Lubricant 0.1-0.6%.
In a preferred embodiment of the present invention, the relative viscosity of the polyamide 6 is 2.0-2.7.
In a preferred embodiment of the present invention, the unformed polyamide is poly- paraphenylene terephthalamide's trimethylhexane diamine.
In a preferred embodiment of the present invention, the halogen-free flame retardants is melamine polyphosphate and diethyl time phosphorus
Sour aluminium is the compounding mixture of 1:2 in mass ratio.
In a preferred embodiment of the present invention, the strip of the metallic pigments aluminium flake and dispersed lubricant carrier is compound
Object.
In a preferred embodiment of the present invention, aluminium content is 70-80% in the striped composite.
In a preferred embodiment of the present invention, the antioxidant is that Hinered phenols antioxidant 1098 and phosphorous acid esters are anti-
Oxygen agent 168 is the compounding mixture of 1:1 ratio in mass ratio.
In a preferred embodiment of the present invention, the lubricant is powdered N, N'- ethylene bis stearamide and tristearin
Sour calcium is the compounding mixture of 1:1 in mass ratio.
In order to solve the above technical problems, the present invention also provides a kind of preparation method of halogen-free flameproof modified nylon-6 material,
The following steps are included:
1) building block system that the raw material other than metallic pigments is put into draw ratio 40-44 is engaged in the same direction parallel double
Screw extruder carries out mixing extrusion；
2) metallic pigments are added with side feeder from the 5th area of double screw extruder or the 6th area or District 7 or Section Eight；
3) metallic pigments rear thread element is added to weaken using dispersion, is distributed the combination of reinforcement.
The beneficial effects of the present invention are: the present invention compounds base-material using polyamide 6 and unformed polyamide, material can be made
Good intensity and suppleness, and the mobility with superelevation are kept, for a long time to improve fire retardation PC/ABS, flame-proof ABS etc.
Material easily leads to the problem of weld bond, current mark after metallic pigments are added, and scratch-resistant, wearability, weatherability etc. are far super
ASB and its alloy material；Halogen-free flame retardants and metal face that the present invention passes through the addition rational proportion in compounding base-material simultaneously
Material, when can improve the problem of metallic luster dimness after traditional bromine system flame-retardant nylon 6 material addition metallic pigments, and burn not
A large amount of toxic dense smokes can be generated, it is more friendly to environment.
To sum up, by the present invention in that with special nylon base, and the halogen-free flame retardants of rational proportion, metallic pigments are added
Deng, make material have following performance:
1. outstanding anti-flammability, anti-flammability reaches UL-94 V-0 grade；
2. exempting to paint, metal effect appearance is carried, spraying process is saved, it is environmental-friendly, reduce product cost；
3. be halogen-free, smoke density is low when burning, and the smoke toxicity of generation is small, and smell is small.
Specific embodiment
The preferred embodiments of the present invention will be described in detail below so that advantages and features of the invention can be easier to by
It will be appreciated by those skilled in the art that so as to make a clearer definition of the protection scope of the present invention.
The embodiment of the present invention includes:
Embodiment one
Ingredient: a kind of halogen-free flameproof modified nylon-6 material includes following components by mass percentage:
Polyamide 6 63.3%
Unformed polyamide 10%
Halogen-free flame retardants 16%
Metallic pigments 10%
Antioxidant 0.4%
Lubricant 0.3%.
Wherein, the relative viscosity of the polyamide 6 is 2.2.
The unformed polyamide is poly- paraphenylene terephthalamide's trimethylhexane diamine.
It is that compounding for 1:2 is mixed that the halogen-free flame retardants is melamine polyphosphate with diethyl hypo-aluminum orthophosphate in mass ratio
Close object.
The striped composite of the metallic pigments aluminium flake and dispersed lubricant carrier, wherein aluminium content is 75%.
The antioxidant is Hinered phenols antioxidant 1098 and phosphite ester antioxidant 168 is in mass ratio
The compounding mixture of 1:1 ratio.
The lubricant is powdered N, and N'- ethylene bis stearamide and calcium stearate are 1:1's in mass ratio
Compound mixture.
Preparation: the preparation method of above-mentioned halogen-free flameproof modified nylon-6 material includes the following steps:
1) by the raw material other than metallic pigments be put into screw diameter is 63mm, draw ratio is 40 building block system engage in the same direction it is flat
Mixing extrusion is carried out in row double screw extruder；
2) metallic pigments are added with side feeder from the 6th area of double screw extruder；
3) metallic pigments rear thread element is added to weaken using dispersion, is distributed the combination of reinforcement, wherein District 7 Section Eight
Screw combinations feature are as follows: the thin slice kneading member of KB45/5/44(45 degree) 3 groups, 1 group of derotation element, dispersed placement is in several defeated
It send between element, it is each other and non-conterminous；
The composite material being granulated injection molding and is tested into physical property in injection molding machine according to iso standard, as shown in table 1.
Embodiment two
Ingredient: a kind of halogen-free flameproof modified nylon-6 material includes following components by mass percentage:
Polyamide 6 53.3%
Unformed polyamide 20%
Halogen-free flame retardants 16%
Metallic pigments 10%
Antioxidant 0.4%
Lubricant 0.3%.
Wherein, the relative viscosity of the polyamide 6 is 2.5.
The unformed polyamide is poly- paraphenylene terephthalamide's trimethylhexane diamine.
It is that compounding for 1:2 is mixed that the halogen-free flame retardants is melamine polyphosphate with diethyl hypo-aluminum orthophosphate in mass ratio
Close object.
The striped composite of the metallic pigments aluminium flake and dispersed lubricant carrier, wherein aluminium content is 80%.
The antioxidant is Hinered phenols antioxidant 1098 and phosphite ester antioxidant 168 is in mass ratio
The compounding mixture of 1:1 ratio.
The lubricant is powdered N, and N'- ethylene bis stearamide and calcium stearate are 1:1's in mass ratio
Compound mixture.
Preparation: the preparation method of above-mentioned halogen-free flameproof modified nylon-6 material includes the following steps:
1) by the raw material other than metallic pigments be put into screw diameter is 63mm, draw ratio is 40 building block system engage in the same direction it is flat
Mixing extrusion is carried out in row double screw extruder；
2) metallic pigments are added with side feeder from double screw extruder District 7；
3) metallic pigments rear thread element is added to weaken using dispersion, is distributed the combination of reinforcement, wherein District 7 Section Eight
Screw combinations feature are as follows: the thin slice kneading member of KB45/5/44(45 degree) 3 groups, 1 group of derotation element, dispersed placement is in several defeated
It send between element, it is each other and non-conterminous；
The composite material being granulated injection molding and is tested into physical property in injection molding machine according to iso standard, as shown in table 1.
Embodiment three
A kind of halogen-free flameproof modified nylon-6 material includes following components by mass percentage:
Polyamide 6 53.3%
Unformed polyamide 20%
Halogen-free flame retardants 16%
Metallic pigments 10%
Antioxidant 0.4%
Lubricant 0.3%.
Wherein, the relative viscosity of the polyamide 6 is 2.5.
The unformed polyamide is poly- paraphenylene terephthalamide's trimethylhexane diamine.
It is that compounding for 1:2 is mixed that the halogen-free flame retardants is melamine polyphosphate with diethyl hypo-aluminum orthophosphate in mass ratio
Close object.
The striped composite of the metallic pigments aluminium flake and dispersed lubricant carrier, wherein aluminium content is 80%.
The antioxidant is Hinered phenols antioxidant 1098 and phosphite ester antioxidant 168 is in mass ratio
The compounding mixture of 1:1 ratio.
The lubricant is powdered N, and N'- ethylene bis stearamide and calcium stearate are 1:1's in mass ratio
Compound mixture.
Preparation: the preparation method of above-mentioned halogen-free flameproof modified nylon-6 material includes the following steps:
1) by the raw material other than metallic pigments be put into screw diameter is 63mm, draw ratio is 44 building block system engage in the same direction it is flat
Mixing extrusion is carried out in row double screw extruder；
2) metallic pigments are added with side feeder from double screw extruder Section Eight；
3) metallic pigments rear thread element is added to weaken using dispersion, is distributed the combination of reinforcement, wherein District 7 Section Eight
Screw combinations feature are as follows: the thin slice kneading member of KB45/5/44(45 degree) 2 groups together, the ZME element of ZME44(length 44mm) 2
Together, for dispersed placement between several delivery elements, kneading member is adjacent with kneading member, ZME element and ZME element phase for group
It is adjacent；
The composite material being granulated injection molding and is tested into physical property in injection molding machine according to iso standard, as shown in table 1.
Table 1: embodiment 1-3 and bromine system flame-proof PA 6, PA6/ fire-retardant master granule paddling process material property contrast table:
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to be said using the present invention
Equivalent structure or equivalent flow shift made by bright book content is applied directly or indirectly in other relevant technical fields,
Similarly it is included within the scope of the present invention.
Claims (9)
1. a kind of halogen-free flameproof modified nylon-6 material, which is characterized in that by mass percentage include following components:
Polyamide 6 30-70%
Unformed polyamide 10-40%
Halogen-free flame retardants 10-20%
Metallic pigments 5-15%
Antioxidant 0.1-0.6%
Lubricant 0.1-0.6%.
2. halogen-free flameproof modified nylon-6 material according to claim 1, which is characterized in that the polyamide 6 glues relatively
Degree is 2.0-2.7.
3. halogen-free flameproof modified nylon-6 material according to claim 1, which is characterized in that the unformed polyamide is
Poly- paraphenylene terephthalamide's trimethylhexane diamine.
4. halogen-free flameproof modified nylon-6 material according to claim 1, which is characterized in that the halogen-free flame retardants is three
Poly cyanamid Quadrafos and diethyl hypo-aluminum orthophosphate are that 1:2 compounds mixture in mass ratio.
5. halogen-free flameproof modified nylon-6 material according to claim 1, which is characterized in that the metallic pigments aluminium flake with
The striped composite of dispersed lubricant carrier.
6. halogen-free flameproof modified nylon-6 material according to claim 5, which is characterized in that aluminium in the striped composite
Content is 70-80%.
7. halogen-free flameproof modified nylon-6 material according to claim 1, which is characterized in that the antioxidant is hindered phenol
Kind antioxidant 1098 and phosphite ester antioxidant 168 are the compounding mixture of 1:1 ratio in mass ratio.
8. halogen-free flameproof modified nylon-6 material according to claim 1, which is characterized in that the lubricant is powdered
N, N'- ethylene bis stearamide and calcium stearate are the compounding mixture of 1:1 in mass ratio.
9. a kind of preparation method of halogen-free flameproof modified nylon-6 material described in one of -8 according to claim 1, feature exist
In, comprising the following steps:
1) building block system that the raw material other than metallic pigments is put into draw ratio 40-44 is engaged into parallel double-screw extruder in the same direction
Carry out mixing extrusion；
2) metallic pigments are added with side feeder from the 5th area of double screw extruder or the 6th area or District 7 or Section Eight；
3) metallic pigments rear thread element is added to weaken using dispersion, is distributed the combination of reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811282981.8A CN109535699A (en) | 2018-10-31 | 2018-10-31 | A kind of halogen-free flameproof modified nylon-6 material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811282981.8A CN109535699A (en) | 2018-10-31 | 2018-10-31 | A kind of halogen-free flameproof modified nylon-6 material and preparation method thereof |
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| CN109535699A true CN109535699A (en) | 2019-03-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114921094A (en) * | 2022-05-31 | 2022-08-19 | 苏州旭光聚合物有限公司 | Carbon fiber reinforced nylon composite material for vehicle and preparation method thereof |
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| CN114921094A (en) * | 2022-05-31 | 2022-08-19 | 苏州旭光聚合物有限公司 | Carbon fiber reinforced nylon composite material for vehicle and preparation method thereof |
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