CN104327502B - A kind of flame retardant polyamide composite material and its preparation method and application - Google Patents
A kind of flame retardant polyamide composite material and its preparation method and application Download PDFInfo
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- CN104327502B CN104327502B CN201410526698.0A CN201410526698A CN104327502B CN 104327502 B CN104327502 B CN 104327502B CN 201410526698 A CN201410526698 A CN 201410526698A CN 104327502 B CN104327502 B CN 104327502B
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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
- 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
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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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 belongs to engineering plastics technical field, discloses a kind of flame retardant polyamide composite material and preparation method thereof and the application in decorative product, such as Christmas lamp.Described composite includes the component of following mass percent：Polyamide thermoplastic：57~89.8%；Polyamide oligomer：2~10%；Nitrogenated flame retardant：5~20%；Synergistic flame retardant master batch：3~10%；Processing aid：0.2~3%.The present invention does flow ability modifying agent using number-average molecular weight in 5000~10000 polyamide oligomer, fire retarding synergist is used as using phosphoric acid ester master batch, the flame retardant polyamide composite material for making to obtain has good mobility and release property, (270 DEG C of MFI, 2.16Kg) reach more than 130g/10min, and colour stability is good, outward appearance is good, excellent flame retardancy, can reach V 0 (0.3mm), suitable for decorative product.
Description
Technical field
The invention belongs to engineering plastics technical field, more particularly to a kind of flame retardant polyamide composite material and its preparation
Method and the application in decorative product, such as Christmas lamp.
Background technology
Polyamide has excellent comprehensive such as excellent mechanical performance, heat resistance, wearability, resistant to chemical etching
Can, it is widely used in the fields such as machinery manufacturing industry, electric tool, electronic apparatus and communications and transportation.But the fire resistance of polyamide
Only V-2 (UL 94), limits the use of polyamide.Generally use bromide fire retardant, red phosphorus, hypophosphites, melamine cyanogen
Lithate (MCA) etc. improves the fire resistance of polyamide, and wherein MCA fire-retardant nylons have green, excellent electrical property, face
The advantages such as color is easily matched somebody with somebody, light specific gravity, smoke density are low.
Non-halogen, product the thin-walled property of Flameproof polyamide is following development trend at present, and thin-gage goods is to material
Mobility, fire resistance require higher.Due to MCA, easily distillation causes the exhaust of mould to block so as to influence to produce at high temperature
Efficiency.Material can be improved with the MCA and specific surfactant of high content by being mentioned in the CN101679743B of Asahi Chemical Industry
Fire resistance, but so MCA of high content is easier to block the exhaust of mould.The fire-retardant mother of polyamide is mentioned in CN102516749A
The preparation method of grain, is mentioned by the use of a small amount of phosphate ester flame retardants (BDP) as synergist, but BDP amount is less in the invention
And viscosity is high, it is difficult to accurate metering, and easily cause powder unity, disperse bad；When especially doing coloured prod, due to BDP
Viscosity it is high so that pigment disperses bad, causes the color of product unstable.
The present invention, as flow ability modifying agent, uses resorcinol double (diphenyl phosphoesters) using the oligomer of polyamide
Master batch can greatly improve the mobility of material, alleviate the degree of upper mould dirt, while improve material as synergist
Fire resistance, the colour stability of coloured prod is improved, especially suitable for decorative product.
The content of the invention
Mould, product colour unstable aspect are blocked in order to overcome the poor flame retardant properties of above-mentioned prior art, MCA to separate out
Deficiency, primary and foremost purpose of the invention are that providing a kind of high flame resistance, high fluidity, the halogen-free flame-retardant polyamide of low precipitation answers
Condensation material.
Another object of the present invention is that providing a kind of above-mentioned high flame resistance, high fluidity, the halogen-free flameproof of low precipitation gathers
The preparation method of acid amides composite.
Still a further object of the present invention is to provide above-mentioned high flame resistance, high fluidity, the halogen-free flame-retardant polyamide of low precipitation
Application of the composite in decorative product.
The purpose of the present invention is realized by following proposal：
A kind of high flame resistance, high fluidity, the flame retardant polyamide composite material of low precipitation, include following quality hundred
The component of fraction：
Polyamide thermoplastic：57~89.8%
Polyamide oligomer：2~10%
Nitrogenated flame retardant：5~20%
Synergistic flame retardant master batch：3~10%
Processing aid：0.2~3%.
Wherein, the number-average molecular weight of the polyamide oligomer is between 5000~10000, preferable polyamide oligomer
Number-average molecular weight between 8000~9000, Amino End Group concentration is less than 200mmol/Kg, and the ratio between Amino End Group and end carboxyl are big
In 2.
Described synergistic flame retardant master batch is phosphoric acid ester master batch, it is preferable that contains 5 in described synergistic flame retardant master batch
~30wt% phosphate, described phosphate can be but be not limited to triaryl phosphate, bisphenol-A-bis- (diphenyl phosphoesters),
Cresyl diphenyl phosphate, resorcinol double [two (2,6- 3,5-dimethylphenyls) phosphates], the double (diphenylphosphoric acids of resorcinol
At least one of ester) and triphenyl phosphate, preferably resorcinol is double (diphenyl phosphoester) (RDP), and the RDP is in master batch
In content be 5~30wt%, more preferably 10wt%.
Described synergistic flame retardant master batch contains other auxiliary agents commonly used in the art, such as antioxidant, lubricant.
In order to which the present invention is better achieved, described synergistic flame retardant master batch uses polyamide thermoplastic as carrier, excellent
Choosing is using polyamide thermoplastic of the present invention as carrier.
Described synergistic flame retardant master batch is preferably prepared by following methods：Polyamide thermoplastic and other auxiliary agents from
The main spout of extruder adds, and is fed after phosphate is preheated from Section of five barrel, melting extrusion, granulation, obtains synergistic resistance
Fire agent master batch.
Preferably, extruder be provided with one or more vacuum ports with keep higher vacuum (- 0.09~-
0.07MPa)
Polyamide thermoplastic of the present invention can be PA6, PA66, PA66/6, PA610, PA612, PA11, PA12,
At least one of PA1012, for number-average molecular weight between 15000~50000, relative viscosity is 1.6~3.5；Thermoplasticity polyamides
Amine dosage is preferably 75~85wt%.
Described nitrogenated flame retardant can be MCA, melamine phthalate, melamine grass
At least one of hydrochlorate, melamine and melam, preferably MCA, particle diameter d50 are 1.5~3 μm；The nitrogen
The dosage of flame retardant is preferably 6~15wt%.
The processing aid can be any processing aid commonly used in the art, include antioxidant, lubricant, light stabilizer, face
Material etc..Preferably, described antioxidant can be N, N'- is double-(3- (3,5- di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine
(1098), triethylene glycol ether-two (3- tertiary butyl-4-hydroxy -5- aminomethyl phenyls) propionic ester (245), four [β-(bis- tertiary fourths of 3,5-
Base -4- hydroxy phenyls) propionic acid] pentaerythritol ester (1010), three [2,4- di-tert-butyl-phenyls] phosphite esters (168), phosphorous acid
Esters antioxidant P-EPQ and copper salt antioxidant (KI, cuprous iodide, the compound of zinc stearate, ratio 8:1:1) in
At least one, dosage are 0.1~1wt%；Described lubricant can be calcium stearate, modified ethylene bis-fatty acid amides, tristearin
At least one of sour zinc and magnesium stearate, dosage are 0.1~2wt%, preferably calcium stearate.
Present invention also offers the halogen-free flame-retardant polyamide of a kind of above-mentioned high flame resistance, high fluidity, low precipitation is compound
The preparation method of material, is comprised the steps of：
By 57~89.8wt% polyamide thermoplastics, 2~10wt% polyamide oligomer, 5~20wt% nitrogenated flame retardants,
3~10wt% synergistic flame retardants master batch and 0.2~3wt% processing aids are well mixed, and are added in extruder, at 180~280 DEG C
Lower extrusion, cooling, it is granulated, obtains flame retardant polyamide composite material.
Preferably, the barrel of extruder used is provided with one or more vaccum exhaust outlet, to keep high vacuum
(- 0.08~-0.06MPa), remove caused small-molecule substance in extrusion.
The flame retardant polyamide composite material of the present invention has good mobility, release property, and with stable resistance
Performance and colour stability are fired, can be applied in decorative product.
The present invention is had the following advantages and beneficial effect relative to prior art：
(1) present invention does flow ability modifying agent using number-average molecular weight in 5000~10000 polyamide oligomer, so as to get
Flame retardant polyamide composite material there is good mobility and release property, MFI (270 DEG C, 2.16Kg) reaches 130g/
More than 10min, the shaping of thin-gage goods is more convenient, demoulding grade reaches 1 grade, the mold deposit mild degree of die surface.
(2) present invention uses phosphoric acid ester master batch to improve composite as fire retarding synergist, particularly RDP master batches
Fire resistance and colour stability, so as to get flame retardant polyamide composite material colour stability it is good, outward appearance is good, resistance
Function admirable is fired, can reach V-0 (0.3mm), suitable for decorative product, such as Christmas lamp, and composite of the present invention can lead to
Cross common process equipment to be made, technique is simple, industrialized production easy to spread.
Embodiment
With reference to embodiment, the present invention is described in further detail, but the implementation of the present invention is not limited to this.
First, it is as follows using reagent in embodiment：
Nylon66 fiber -1：Relative viscosity 2.7, table mountain Shen Ma groups；
Nylon66 fiber -2：Relative viscosity 2.4, Rhodia；
Polyamide oligomer -1：Molecular weight 9000；
Polyamide oligomer -2：Molecular weight 4000；
Nitrogenated flame retardant：MCA, average grain diameter are commercially available at 1.5~3 μm；
Resorcinol is double (diphenyl phosphoester) (RDP)：According to ASTM D445 testing standards, dynamic viscosity is at 25 DEG C
500~800mPas, it is commercially available；
Antioxidant 1098：It is N, N'- pairs-(3- (3,5- di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine, commercially available；
Antioxidant 245：Triethylene glycol ether-two (3- tertiary butyl-4-hydroxy -5- aminomethyl phenyls) propionic ester, it is commercially available；
Lubricant：Calcium stearate, it is commercially available；
Light stabilizer：Benzophenone light stabilizer UV-531, it is commercially available；
Pigment：L309B, it is commercially available；
2nd, performance test methods are as follows：
(1) melt mass flow rate (MFI)：Tested according to GB/T3682-2000 standards；Test temperature is 270
DEG C, load 2.16Kg；
(2) tensile strength：Tested according to the standards of GB/T 1040；Draw speed is 50mm/min；
(3) bending strength, bending modulus are tested by GB 9341/T standards；Rate of bending is 2mm/min；
(4) release property evaluation index：Using using Evaluating Die Design, product type is Christmas lamp, goes out 200 products per mould,
Injection temperature is 275~260 DEG C, 80 DEG C of mould temperature, cycle 15s.
It is stripped grade 1：The number of articles not ejected is less than 5；
It is stripped grade 2：The number of articles not ejected is 5~10；
It is stripped grade 3：The number of articles not ejected is 10~15；
It is stripped class 4：The number of articles not ejected is more than 15；
(5) die surface separates out situation：Cause to separate out or block exhaust in die surface because MCA easily distils, use
(4) injection moulding process in, observation are molded the die surface white powder clustering phenomena after 100 moulds：
It is poor：The local surfaces of mould have one layer of white powder, size of the area more than 1 yuan of coin；
Typically：The local surfaces of mould have one layer of white powder, and area is no more than the size of 1 yuan of coin；
Well：Substantially do not separate out；
(6) flame retardant test：According to UL94 standards, test bars thickness is 0.75mm and 0.3mm, and wherein 0.3mm battens need
By machining；
(7) colour stability characterizes：6 hours of comparative example and embodiment continuous production, every 2h sample survey color L, a,
B, then calculate aberration △ E=(△ L2+△a2+△b2)1/2；
Colour stable：△E≤0.5；
Color is unstable：△ E ＞ 0.5；
3rd, the preparation of the synergistic flame retardant master batch used in the embodiment of the present invention
Polyamide PA66-2 is added from the main spout of extruder, resorcinol double (diphenyl phosphoester) (RDP) warp
Fed after preheating from Section of five barrel by measuring pump, while extruder is provided with one or more vacuum ports to keep higher
Vacuum (- 0.09~-0.07MPa), each section of barrel temperature of extruder：One 180 DEG C of area's temperature, two 240~260 DEG C of area's temperature,
Three 250~270 DEG C of area's temperature, four 250~270 DEG C of area's temperature, five 240~260 DEG C of area's temperature, six 230~250 DEG C of area's temperature,
Seven 220~240 DEG C of area's temperature, eight 220~240 DEG C of area's temperature, nine 220~240 DEG C of area's temperature, 250~270 DEG C of head temperature,
300~400rpm of engine speed, then extrude, be granulated, obtain synergistic flame retardant master batch, RDP content is 10wt%.
Comparative example 1：
By calcium stearate, the 0.3Kg of 89.2Kg nylon66 fiber -1,10Kg MCA, 0.3Kg antioxidant 245 and 0.5Kg
UV-531 it is uniform in high-speed mixer and mixing, then put into double screw extruder and extruded, be granulated；Each section of spiral shell of extruder
Cylinder temperature：One 180 DEG C of area's temperature, two 240~260 DEG C of area's temperature, three 250~270 DEG C of area's temperature, four area's temperature 250~270
DEG C, five 240~260 DEG C of area's temperature, six 230~250 DEG C of area's temperature, seven 220~240 DEG C of area's temperature, eight area's temperature 220~240
DEG C, nine 220~240 DEG C of area's temperature, 250~270 DEG C, 300~400rpm of engine speed of head temperature, vacuum be -0.08~-
0.06MPa, then material is dried, is molded.
Comparative example 2：
0.5Kg RDP is charged first to uniform in high-speed mixer and mixing in 88.4Kg nylon66 fiber -2, adds 10Kg's
MCA, 0.3Kg antioxidant 1098 and 0.5Kg calcium stearate, 0.3Kg UV-531 are remixed uniformly, are put into twin-screw and are squeezed
Go out in machine to extrude, be granulated；Each section of barrel temperature of extruder：One 180 DEG C of area's temperature, two 240~260 DEG C of area's temperature, three area's temperature
250~270 DEG C, four 250~270 DEG C of area's temperature, five 240~260 DEG C of area's temperature, six 230~250 DEG C of area's temperature, seven area's temperature
220~240 DEG C, eight 220~240 DEG C of area's temperature, nine 220~240 DEG C of area's temperature, 250~270 DEG C of head temperature, engine speed
300~400rpm, vacuum are -0.08~-0.06MPa, and material is dried, is molded.
Comparative example 3：
1.5Kg RDP is charged first to uniform in high-speed mixer and mixing in 87.4Kg nylon66 fiber -2, adds 10Kg's
MCA, 0.3Kg antioxidant 1098 and 0.5Kg calcium stearate, 0.3Kg UV-531 are remixed uniformly, then put into double spiral shells
Extruded, be granulated in bar extruder；Each section of barrel temperature of extruder：One 180 DEG C of area's temperature, two 240~260 DEG C of area's temperature,
Three 250~270 DEG C of area's temperature, four 250~270 DEG C of area's temperature, five 240~260 DEG C of area's temperature, six 230~250 DEG C of area's temperature,
Seven 220~240 DEG C of area's temperature, eight 220~240 DEG C of area's temperature, nine 220~240 DEG C of area's temperature, 250~270 DEG C of head temperature,
300~400rpm of engine speed, vacuum are -0.08~-0.06MPa, then dry material, are molded.
Embodiment 1：The preparation of flame retardant polyamide composite material
By 86.9Kg nylon66 fiber -1,2Kg polyamide oligomer -1,10Kg MCA, 0.3Kg the and of antioxidant 245
0.5Kg calcium stearate, 0.3Kg UV-531 are uniform in high-speed mixer and mixing, then put into double screw extruder and carry out
Extrusion, it is granulated；Each section of barrel temperature of extruder：One 180 DEG C of area's temperature, two 240~260 DEG C of area's temperature, three area's temperature 250~
270 DEG C, four 250~270 DEG C of area's temperature, five 240~260 DEG C of area's temperature, six 230~250 DEG C of area's temperature, seven area's temperature 220~
240 DEG C, eight 220~240 DEG C of area's temperature, nine 220~240 DEG C of area's temperature, 250~270 DEG C of head temperature, engine speed 300~
400rpm, vacuum are -0.08~-0.06MPa, then dry material, are molded.
Embodiment 2：The preparation of flame retardant polyamide composite material
By 88.6Kg nylon66 fiber -1,2Kg polyamide oligomer -2,5Kg MCA, 3Kg synergistic flame retardant master batch,
0.3Kg antioxidant 1098 and 0.8Kg calcium stearate, 0.3Kg UV-531 are uniform in high-speed mixer and mixing, then put into
Extruded, be granulated in double screw extruder；Each section of barrel temperature of extruder：One 180 DEG C of area's temperature, two area's temperature 240~260
DEG C, three 250~270 DEG C of area's temperature, four 250~270 DEG C of area's temperature, five 240~260 DEG C of area's temperature, six area's temperature 230~250
DEG C, seven 220~240 DEG C of area's temperature, eight 220~240 DEG C of area's temperature, nine 220~240 DEG C of area's temperature, head temperature 250~270
DEG C, 300~400rpm of engine speed, vacuum is -0.08~-0.06MPa, then dries material, is molded.
Embodiment 3：The preparation of flame retardant polyamide composite material
By 74.2Kg nylon66 fiber -2,10Kg polyamide oligomer -1,7Kg MCA, 7Kg synergistic flame retardant master batch,
0.3Kg antioxidant 245 and 1.2Kg calcium stearate, 0.3Kg UV-531 are uniform in high-speed mixer and mixing, then put into
Extruded, be granulated in double screw extruder；Each section of barrel temperature of extruder：One 180 DEG C of area's temperature, two area's temperature 240~260
DEG C, three 250~270 DEG C of area's temperature, four 250~270 DEG C of area's temperature, five 240~260 DEG C of area's temperature, six area's temperature 230~250
DEG C, seven 220~240 DEG C of area's temperature, eight 220~240 DEG C of area's temperature, nine 220~240 DEG C of area's temperature, head temperature 250~270
DEG C, 300~400rpm of engine speed, vacuum is -0.08~-0.06MPa, then dries material, is molded.
Embodiment 4：The preparation of flame retardant polyamide composite material
By 66.9Kg nylon66 fiber -2,10Kg polyamide oligomer -2,12Kg MCA, 10Kg synergistic flame retardant it is female
Calcium stearate, the 0.3Kg UV-531 of grain, 0.3Kg antioxidant 1098 and 0.5Kg are uniform in high-speed mixer and mixing, then throw
Enter and extruded, be granulated into double screw extruder；Each section of barrel temperature of extruder：One 180 DEG C of area's temperature, two area's temperature 240
~260 DEG C, three 250~270 DEG C of area's temperature, four 250~270 DEG C of area's temperature, five 240~260 DEG C of area's temperature, six area's temperature 230
~250 DEG C, seven 220~240 DEG C of area's temperature, eight 220~240 DEG C of area's temperature, nine 220~240 DEG C of area's temperature, head temperature 250
~270 DEG C, 300~400rpm of engine speed, vacuum is -0.08~-0.06MPa, then dries material, is molded.
Embodiment 5：The preparation of flame retardant polyamide composite material
By 65.9Kg nylon66 fiber -2,10Kg polyamide oligomer -1,18Kg MCA, 5Kg synergistic flame retardant it is female
Calcium stearate, the 0.3Kg UV-531 of grain, 0.3Kg antioxidant 1098 and 0.5Kg are uniform in high-speed mixer and mixing, then throw
Enter and extruded, be granulated into double screw extruder；Each section of barrel temperature of extruder：One 180 DEG C of area's temperature, two area's temperature 240
~260 DEG C, three 250~270 DEG C of area's temperature, four 250~270 DEG C of area's temperature, five 240~260 DEG C of area's temperature, six area's temperature 230
~250 DEG C, seven 220~240 DEG C of area's temperature, eight 220~240 DEG C of area's temperature, nine 220~240 DEG C of area's temperature, head temperature 250
~270 DEG C, 300~400rpm of engine speed, vacuum is -0.08~-0.06MPa, then dries material, is molded.
The test result of batten prepared by comparative example 1~3 and embodiment 1~5 is shown in Table 1, can also be added in embodiment each
Kind toner, such as adds 0.05wt% L309B, and effect is constant.
The performance parameter of the flame retardant polyamide composite material of table 1
Can be seen that addition polyamide oligomer from the data of table 1 can greatly improve the mobility of material, and can change
Kind demolding performace, the fire resistance and colour stability of material, high fluidity of the invention, high demolding performace, high flame resistance
Flame retardant polyamide composite material, its mechanical property is higher, yellowing-resistant function admirable, especially suitable for decorative product, than
Such as Christmas lamp.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (7)
1. a kind of flame retardant polyamide composite material, it is characterised in that be made up of the component of following mass percent：
Polyamide thermoplastic：57~89.8 %
Polyamide oligomer：2~10 %
Nitrogenated flame retardant：6~15 %
Synergistic flame retardant master batch：3~10 %
Processing aid：0.2~3 %；
The total amount of said components is 100wt%；
For the number-average molecular weight of the polyamide oligomer between 8000~9000, Amino End Group concentration is less than 200 mmol/Kg, and
The ratio between Amino End Group and end carboxyl are more than 2；
Phosphate containing 5~30 wt% in the synergistic flame retardant master batch, described phosphate are the double (diphenyl of resorcinol
Phosphate).
2. flame retardant polyamide composite material according to claim 1, it is characterised in that：The synergistic flame retardant master batch
For phosphoric acid ester master batch.
3. flame retardant polyamide composite material according to claim 1, it is characterised in that：Described synergistic flame retardant is female
Grain is using polyamide thermoplastic as carrier.
4. flame retardant polyamide composite material according to claim 1, it is characterised in that：Described polyamide thermoplastic
For at least one of PA6, PA66, PA66/6, PA610, PA612, PA11, PA12, PA1012, number-average molecular weight is 15000
Between~50000, relative viscosity is 1.6~3.5.
5. flame retardant polyamide composite material according to claim 1, it is characterised in that：Described nitrogenated flame retardant is
At least one in MCA, melamine phthalate, melamine oxalates, melamine and melam
Kind.
6. a kind of preparation method of flame retardant polyamide composite material according to any one of Claims 1 to 5, its feature
It is to comprise the steps of：
By 57~89.8 wt% polyamide thermoplastics, 2~10 wt% polyamide oligomer, 6~15 wt% nitrogenated flame retardants, 3~
10 wt% synergistic flame retardants master batches and 0.2~3 wt% processing aids are well mixed, and are added in extruder, at 180~280 DEG C
Extrusion, cooling, it is granulated, obtains flame retardant polyamide composite material；The total amount of said components is 100wt%.
7. application of the flame retardant polyamide composite material according to any one of Claims 1 to 5 in decorative product.
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| CN108795035B (en) * | 2017-04-28 | 2022-02-15 | 上海凯赛生物技术股份有限公司 | Polyamide 5X composition and preparation method thereof |
| CN107474532A (en) * | 2017-09-07 | 2017-12-15 | 宁波宏泰伟业塑胶有限公司 | A kind of PA66 modified materials and preparation method thereof |
| CN108795037B (en) * | 2018-06-21 | 2020-11-17 | 广东聚石化学股份有限公司 | Ultraviolet-resistant halogen-free flame-retardant nylon composition for fasteners and preparation method thereof |
| CN114031937B (en) * | 2021-10-29 | 2023-11-07 | 金发科技股份有限公司 | PA66 composition and preparation method and application thereof |
| CN114381116B (en) * | 2022-02-17 | 2024-03-19 | 上海金发科技发展有限公司 | Halogen-free flame-retardant polyamide composite material and preparation method and application thereof |
| CN116790115A (en) * | 2022-03-14 | 2023-09-22 | 珠海万通特种工程塑料有限公司 | Halogen-free flame-retardant high-temperature nylon composite material and preparation method and application thereof |
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|---|---|---|---|---|
| EP1431340A1 (en) * | 2002-12-19 | 2004-06-23 | DSM IP Assets B.V. | Flame retardant polyamide compound |
| DE102005023420A1 (en) * | 2005-05-20 | 2006-11-23 | Ems-Chemie Ag | Polyamide molding compounds with improved flowability, their production and their use |
| CN100463934C (en) * | 2006-02-23 | 2009-02-25 | 广州金发科技股份有限公司 | Continuous long fiber reinforced fire-retardant thermoplastic resin and its prepn |
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2014
- 2014-10-09 CN CN201410526698.0A patent/CN104327502B/en active Active
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