CN110408196A - A kind of low gloss scratch-resistant nylon material and preparation method thereof - Google Patents
A kind of low gloss scratch-resistant nylon material and preparation method thereof Download PDFInfo
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- CN110408196A CN110408196A CN201810396549.5A CN201810396549A CN110408196A CN 110408196 A CN110408196 A CN 110408196A CN 201810396549 A CN201810396549 A CN 201810396549A CN 110408196 A CN110408196 A CN 110408196A
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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
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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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- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
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Abstract
The invention discloses a kind of low gloss scratch-resistant nylon materials, are prepared by weight by following components: 50-80 parts of nylon, 2-5 parts of toughener, 20-50 parts of filler, 0.2-0.6 parts of antioxidant, 0.2-0.5 parts of lubricant, 0.2-0.5 parts of coupling agent.It is prepared through mixing, extruding pelletization.Filled nylon material prepared by the present invention has the advantages that low with glossiness while preferable intensity, toughness and scratch resistance, and for making automotive interior material, reducing stimulates human eye, more comfort.
Description
Technical field
The present invention relates to technical field of polymer materials more particularly to a kind of low gloss scratch-resistant nylon material and its preparations
Method.
Background technique
Currently, comfortableization is increasingly inclined in Automobile Design, then reflection light is high for automotive interior material glossiness height, can stimulate
Driver's eyes, long drives are easier fatigue, therefore automotive interior material develops toward low-luster.
Polyamide (PA is commonly called as nylon) is that DuPont develops the resin for being used for fiber at first, and PA has good
Comprehensive performance, including mechanical property, wear resistance, chemical resistance and self-lubrication, and coefficient of friction is low, be easy to plus
Work, but still there is a problem of that glossiness is higher for automotive interior material.
Summary of the invention
The present invention is exactly that a kind of low gloss scratch-resistant nylon material is provided to solve the above-mentioned problems of the prior art
Material and preparation method thereof.Should the cost of material is low, intensity and good toughness, while there is excellent scratch resistance.
The purpose of the present invention is achieved through the following technical solutions:
A kind of low gloss scratch-resistant nylon material is prepared by weight by following components:
Further scheme, the nylon are PA66 or PA6；Wherein PA66 melt quality under the conditions of 275 DEG C/0.325kg
Flow rate range is (3-6) g/10min；PA6 melt mass flow rate range under the conditions of 230 DEG C/2.16kg is (1-5)
g/10min。
The higher then overall shine degree of nylon material melt mass flow rate is higher, the too low then shadow of melt mass flow rate
Ring processing performance.
The toughener is POE grafted maleic anhydride, and wherein grafting rate is greater than 0.9%.
The filler is 1000 mesh glass microballoons, 1000 mesh talcum powder, 1000 mesh white carbon blacks, 1000 mesh mica powders by 1:1:
1:1 compounding.Wherein Refractive Index of Glass Microspheres is not higher than 1.6.
It compounds filler to increase, helps and improve material surface hardness, improve scraping and wiping resistance performance.Different filler compoundings are because to light
Reflection is different, and dispersed distribution has interfering with each other property, can reduce material surface glossiness.The too small influence of filler particles reduces light
Damp effect, filler particles then influence greatly very much material mechanical performance.
The antioxidant is N, N '-hexamethylene bis (3,5- di-t-butyl -4- hydroxyl hydrocinnamamide) and phosphorous acid three (2,
4- di-tert-butyl-phenyl) ester 1:1 compounded.
The lubricant is lignite wax.
The coupling agent is N- (β-aminoethyl)-gamma-amino propyl trimethoxy silicane.
Another goal of the invention of the invention is to provide the above-mentioned low gloss scratch-resistant nylon material for automotive interior material
The preparation method of material, comprising the following steps:
(1) by nylon forced air drying 3-5 hours at 100-120 DEG C；
It (2) is that 100:1:0.5:0.1 is mixed with mass ratio by filler, coupling agent, water, fuming hydrochloric acid, incorporation time
10min obtains the filler activated through coupling agent；
(3) by weight ratio, 50-80 parts dried of nylon and toughener, antioxidant, lubricant are added mixed in high speed
With the filler mixing 5min of coupling agent activation in conjunction machine, adds twin-screw extrude and squeezed out, be granulated to obtain low gloss scratch-resistant
Nylon material；The temperature range of the double screw extruder is 190-270 DEG C.
Compared with prior art, the invention has the following advantages:
Low gloss scratch-resistant nylon material prepared by the present invention has while having preferable intensity, toughness and scratch resistance
Glossy low advantage, for making automotive interior material, reducing stimulates human eye, more comfort.
Specific embodiment
Below with reference to each embodiment the present invention is described in detail.
Embodiment 1
(1) by PA6 at 110 DEG C forced air drying 3 hours；
(2) 1000 mesh glass microballoons, 1000 mesh talcum powder, 1000 mesh white carbon blacks, 1000 mesh mica powders respectively take 5 parts, with 0.2
Part N- (β-aminoethyl)-gamma-amino propyl trimethoxy silicane, 0.1 part of distilled water, 0.02 part of fuming hydrochloric acid are blended 10 minutes,
Obtain the filler of coupling agent activation；
(3) 80 parts of dry PA6,2 parts of POE-G, 0.2 part of lignite wax, 0.1 part of N, N '-hexamethylene bis (3,5- bis- are weighed
Tertiary butyl-4-hydroxy hydrocinnamamide), 0.1 part of (2,4- di-tert-butyl-phenyl) ester of phosphorous acid three is added in high-speed mixer and idol
The filler for joining agent activation mixes 5 minutes；
(4) uniformly mixed material is added twin-screw extrude, is squeezed out, is granulated to obtain composite material.Extruder temperature
Degree setting are as follows: I 195 DEG C of area, 220 DEG C of IIth area, 230 DEG C of IIIth area, 240 DEG C of IVth area, 235 DEG C of Vth area, 235 DEG C of VIth area, VII area 235
DEG C, 235 DEG C of VIIIth area, 235 DEG C of the area IX, 235 DEG C of the area X, 240 DEG C of head.
Embodiment 2
(1) by PA6 at 110 DEG C forced air drying 3 hours；
(2) 1000 mesh glass microballoons, 1000 mesh talcum powder, 1000 mesh white carbon blacks, 1000 mesh mica powders respectively take 9 parts, with
0.36 part of N- (β-aminoethyl)-gamma-amino propyl trimethoxy silicane, 0.18 part of distilled water, 0.036 part of fuming hydrochloric acid are blended 10
Minute, obtain the filler of coupling agent activation；
(3) 64 parts of dry PA6,3.5 parts of POE-G, 0.4 part of lignite wax, 0.2 part of N, N '-hexamethylene bis (3,5- are weighed
Di-t-butyl -4- hydroxyl hydrocinnamamide), 0.2 part of (2,4- di-tert-butyl-phenyl) ester of phosphorous acid three be added in high-speed mixer with
The filler of coupling agent activation mixes 5 minutes；
(4) uniformly mixed material is added twin-screw extrude, is squeezed out, is granulated to obtain composite material.Extruder temperature
Degree setting are as follows: I 195 DEG C of area, 220 DEG C of IIth area, 230 DEG C of IIIth area, 240 DEG C of IVth area, 235 DEG C of Vth area, 235 DEG C of VIth area, VII area 235
DEG C, 235 DEG C of VIIIth area, 235 DEG C of the area IX, 235 DEG C of the area X, 240 DEG C of head.
Embodiment 3
(1) by PA6 at 110 DEG C forced air drying 3 hours；
(2) 1000 mesh glass microballoons, 1000 mesh talcum powder, 1000 mesh white carbon blacks, 1000 mesh mica powders respectively take 12.5 parts, with
0.5 part of N- (β-aminoethyl)-gamma-amino propyl trimethoxy silicane, 0.25 part of distilled water, 0.05 part of fuming hydrochloric acid are blended 10 points
Clock obtains the filler of coupling agent activation；
(3) 50 parts of dry PA6,5 parts of POE-G, 0.5 part of lignite wax, 0.3 part of N, N '-hexamethylene bis (3,5- bis- are weighed
Tertiary butyl-4-hydroxy hydrocinnamamide), 0.3 part of (2,4- di-tert-butyl-phenyl) ester of phosphorous acid three is added in high-speed mixer and idol
The filler for joining agent activation mixes 5 minutes；
(4) uniformly mixed material is added twin-screw extrude, is squeezed out, is granulated to obtain composite material.Extruder temperature
Degree setting are as follows: I 195 DEG C of area, 220 DEG C of IIth area, 230 DEG C of IIIth area, 240 DEG C of IVth area, 235 DEG C of Vth area, 235 DEG C of VIth area, VII area 235
DEG C, 235 DEG C of VIIIth area, 235 DEG C of the area IX, 235 DEG C of the area X, 240 DEG C of head.
Embodiment 4
(1) by PA66 at 100 DEG C forced air drying 5 hours；
(2) 1000 mesh glass microballoons, 1000 mesh talcum powder, 1000 mesh white carbon blacks, 1000 mesh mica powders respectively take 7 parts, with
0.28 part of N- (β-aminoethyl)-gamma-amino propyl trimethoxy silicane, 0.14 part of distilled water, 0.028 part of fuming hydrochloric acid are blended 10
Minute, obtain the filler of coupling agent activation；
(3) 72 parts of dry PA66,3 parts of POE-G, 0.3 part of lignite wax, 0.15 part of N, N '-hexamethylene bis (3,5- are weighed
Di-t-butyl -4- hydroxyl hydrocinnamamide), 0.15 part of (2,4- di-tert-butyl-phenyl) ester of phosphorous acid three be added in high-speed mixer with
The filler of coupling agent activation mixes 5 minutes；
(4) uniformly mixed material is added twin-screw extrude, is squeezed out, is granulated to obtain composite material.Extruder temperature
Degree setting are as follows: I 240 DEG C of area, 260 DEG C of IIth area, 260 DEG C of IIIth area, 270 DEG C of IVth area, 265 DEG C of Vth area, 265 DEG C of VIth area, VII area 265
DEG C, 265 DEG C of VIIIth area, 265 DEG C of the area IX, 265 DEG C of the area X, 270 DEG C of head.
Embodiment 5
(1) by PA66 at 120 DEG C forced air drying 3 hours；
(2) 1000 mesh glass microballoons, 1000 mesh talcum powder, 1000 mesh white carbon blacks, 1000 mesh mica powders respectively take 10 parts, with
0.4 part of N- (β-aminoethyl)-gamma-amino propyl trimethoxy silicane, 0.2 part of distilled water, 0.04 part of fuming hydrochloric acid are blended 10 points
Clock obtains the filler of coupling agent activation；
(3) 60 parts of dry PA66,4 parts of POE-G, 0.3 part of lignite wax, 0.2 part of N, N '-hexamethylene bis (3,5- are weighed
Di-t-butyl -4- hydroxyl hydrocinnamamide), 0.2 part of (2,4- di-tert-butyl-phenyl) ester of phosphorous acid three be added in high-speed mixer with
The filler of coupling agent activation mixes 5 minutes；
(4) uniformly mixed material is added twin-screw extrude, is squeezed out, is granulated to obtain composite material.Extruder temperature
Degree setting are as follows: I 240 DEG C of area, 260 DEG C of IIth area, 260 DEG C of IIIth area, 270 DEG C of IVth area, 265 DEG C of Vth area, 265 DEG C of VIth area, VII area 265
DEG C, 265 DEG C of VIIIth area, 265 DEG C of the area IX, 265 DEG C of the area X, 270 DEG C of head.
Nylon reinforcements prepared by above-described embodiment 1-5 are at 100 DEG C after forced air drying 3 hours, by injection molding mechanism
At batten, tested again after being placed 16 hours under 23 DEG C of constant temperature.Simultaneously by pure PA6 material sample as a comparison.
Measurement of luster uses Volkswagen K31 dermatoglyph.
Scraping and wiping resistance performance test: using mesh segmentation machine, and grid interval 2mm scratches speed 1000mm/min；Load is 10N,
Scratch blade diameter is 1mm；Cross scratch test is carried out in specimen surface, test scratches the variation of front and back form and aspect L value, changing value
Smaller, scraping and wiping resistance performance is better.
The performance test results are shown in Table 1.
Table 1
As can be seen from Table 1, the intensity of filled nylon material prepared by the present invention is high, and good toughness, scraping and wiping resistance performance is good, gloss
It spends low.
Embodiment described above is only that preferred embodiments of the present invention will be described, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made, should fall within the scope of protection determined by the claims of the present invention.
Claims (9)
1. a kind of low gloss scratch-resistant nylon material, it is characterised in that: be prepared by weight by following components:
50-80 parts of nylon,
2-5 parts of toughener,
20-50 parts of filler,
0.2-0.6 parts of antioxidant,
0.2-0.5 parts of lubricant,
0.2-0.5 parts of coupling agent.
2. a kind of low gloss scratch-resistant nylon material according to claim 1, it is characterised in that: the nylon be PA66 or
PA6；Wherein PA66 melt mass flow rate range under the conditions of 275 DEG C/0.325kg is (3-6) g/10min；PA6 is 230
DEG C/2.16kg under the conditions of melt mass flow rate range be (1-5) g/10min.
3. a kind of low gloss scratch-resistant nylon material according to claim 1, it is characterised in that: the toughener is POE
Grafted maleic anhydride, wherein grafting rate is greater than 0.9%.
4. a kind of low gloss scratch-resistant nylon material according to claim 1, it is characterised in that: the filler is 1000 mesh
Glass microballoon, 1000 mesh talcum powder, 1000 mesh white carbon blacks, 1000 mesh mica powders are compounded by 1:1:1:1, and wherein glass microballoon reflects
Rate is not higher than 1.6.
5. a kind of low gloss scratch-resistant nylon material according to claim 1, it is characterised in that: the antioxidant is N,
N '-hexamethylene bis (3,5- di-t-butyl -4- hydroxyl hydrocinnamamide) and (2,4- di-tert-butyl-phenyl) the ester 1:1 of phosphorous acid three into
Row compounding.
6. a kind of low gloss scratch-resistant nylon material according to claim 1, it is characterised in that: the lubricant is lignite
Wax.
7. a kind of low gloss scratch-resistant nylon material according to claim 1, it is characterised in that: the coupling agent is N-
(β-aminoethyl)-gamma-amino propyl trimethoxy silicane.
8. a kind of preparation method of low gloss scratch-resistant nylon material described in claim 1, it is characterised in that: including following step
It is rapid:
(1) by nylon forced air drying 3-5 hours at 100-120 DEG C；
It (2) is that 100:1:0.5:0.1 is mixed with mass ratio by filler, coupling agent, water, fuming hydrochloric acid, incorporation time
10min obtains the filler activated through coupling agent；
(3) by weight ratio, 50-80 parts dried of nylon and toughener, antioxidant, lubricant are added in high-speed mixer
In with coupling agent activation filler mixing 5min, add twin-screw extrude and squeezed out, be granulated to obtain low gloss scratch-resistant nylon
Material.
9. a kind of preparation method of low gloss scratch-resistant nylon material according to claim 8, it is characterised in that: step
(3) temperature range of the double screw extruder is 190-270 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810396549.5A CN110408196A (en) | 2018-04-27 | 2018-04-27 | A kind of low gloss scratch-resistant nylon material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810396549.5A CN110408196A (en) | 2018-04-27 | 2018-04-27 | A kind of low gloss scratch-resistant nylon material and preparation method thereof |
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| CN110408196A true CN110408196A (en) | 2019-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115044198A (en) * | 2022-06-27 | 2022-09-13 | 东风汽车集团股份有限公司 | Bio-based polyamide material for automobile three-electrical system and preparation method thereof |
-
2018
- 2018-04-27 CN CN201810396549.5A patent/CN110408196A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115044198A (en) * | 2022-06-27 | 2022-09-13 | 东风汽车集团股份有限公司 | Bio-based polyamide material for automobile three-electrical system and preparation method thereof |
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Application publication date: 20191105 |