CN108102359A - A kind of environmentally protective, high-performance, high CTI flame-retardant reinforced nylon materials and preparation method thereof - Google Patents

A kind of environmentally protective, high-performance, high CTI flame-retardant reinforced nylon materials and preparation method thereof Download PDF

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Publication number
CN108102359A
CN108102359A CN201711446267.3A CN201711446267A CN108102359A CN 108102359 A CN108102359 A CN 108102359A CN 201711446267 A CN201711446267 A CN 201711446267A CN 108102359 A CN108102359 A CN 108102359A
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China
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retardant
flame
performance
cti
environmentally protective
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CN201711446267.3A
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Inventor
王溢
蔡青
周文
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Shanghai Pret Composites Co Ltd
Zhejiang Pret New Materials Co Ltd
Shanghai Pret Material Technology Co Ltd
Chongqng Pret New Materials Co Ltd
Shanghai Pret Chemical New Materials Co Ltd
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Shanghai Pret Composites Co Ltd
Zhejiang Pret New Materials Co Ltd
Shanghai Pret Material Technology Co Ltd
Chongqng Pret New Materials Co Ltd
Shanghai Pret Chemical New Materials Co Ltd
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Priority to CN201711446267.3A priority Critical patent/CN108102359A/en
Publication of CN108102359A publication Critical patent/CN108102359A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/02Polyamides derived from omega-amino carboxylic acids or from lactams thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/06Polyamides derived from polyamines and polycarboxylic acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The invention discloses a kind of environmentally protective, high-performance, high CTI flame-retardant reinforced nylon materials and preparation method thereof, and material compositing formula is made of the following component of weight percent:Nylon raw material 32~90%;Glass fibre 5~35%;Fire retardant TF9103 10~25%;Fire retarding synergist 0~5%, lubricant 0~1%;Antioxidant 0~1%.Beneficial effects of the present invention are:1st, the flame-retardant reinforced nylon material of environmentally protective, the high CTI of composite environmental-friendly requirement prepared by the present invention, mechanical property, excellent fireproof performance, the requirement for meeting ROHS and WEEE instructions.2nd, the present invention can effectively reduce the dosage of fire retardant by a kind of addition of homemade efficient fire retarding synergist, carry high CTI value, the reduction of flame retardant agent content has positive meaning to the promotion of processing performance and the thrifty of cost, high CTI value can increase the application of composite material, meet the application requirement of more products, which can apply on the electronic and electrical equipments such as contactor, case for circuit breaker.

Description

A kind of environmentally protective, high-performance, high CTI flame-retardant reinforced nylon materials and its preparation Method
Technical field
The present invention relates to a kind of flame-retardant reinforced nylon composite materials, are specially a kind of environmentally protective, excellent mechanical property Energy, the flame-retardant reinforced nylon material of high CTI value.
Background technology
With economic and science and technology development, high molecular material is in necks such as automobile, electronic apparatus, aerospace, buildings Domain has been more and more widely used, and pure high molecular material easily burns, and limits the application of high molecular material, therefore studies Flame retarded polymeric material becomes an important field of research, in recent years, with attention of the countries in the world to environmental protection, halogen-free flameproof Material becomes the trend developed at present.
The dosage of nylon is occupied first of five big general engineering plastics, and with excellent mechanical performance, chemical resistance is good, is electrically insulated Property it is good, coefficient of friction is small the advantages that, in the fields extensive use such as automobile, electronic apparatus, with nylon material in national economy and The extensive use of daily life, it is also higher and higher to be used for high performance requirement, particularly mechanical property and flame retardant property into To determine that nylon application obtains two vital factors, pure nylon is difficult to meet various requirement of the different application to nylon, Fire retardant and glass usually added in nylon material carry out fire-retardant and enhancing and be modified, improve the hardness of nylon material, croop property, Dimensional stability and heat resistance.
Nylon material easily burns in itself, and the heat that when burning generates is big, easily generates molten drop and dense smoke, flame easily pass It broadcasts, although glass fiber reinforced nylon material adds the mechanical property of nylon, but the addition of glass causes composite material burning When generate " candle wick effect " be easier burn, develop fire-retardant reinforcing material become industry concern emphasis.At present in industry Halogen flame is generally used, but substantial amounts of poisonous and harmful substance can be generated during halogen flame burning, not only pollutes environment Also endanger the health of the mankind, it is impossible to meet the requirement of ROHS and WEEE instructions, so halogen-free flame retardants is just more studied And concern, mainly there are red phosphorus, melamine cyanurate, inorganic type to add for the common halogen-free flame retardants of nylon material fire-retardant Agent, melamine Quadrafos etc..But the addition of fire retardant can reduce meeting mechanical property and electrical insulation capability while improving material, For example that CTI can be caused to drop to from 600 is 250 even lower for the addition of fire retardant, reaches resistance for flame-retardant reinforced nylon material On the premise of combustion property, carry high CTI value and mechanical property has great importance.
The content of the invention
The purpose of the invention is to provide a kind of environmentally protective, high-performance, high CTI flame-retardant reinforced nylon materials and its Preparation method using halogen-free flame-retardant system, meets UL-94 1.5mm and accomplishes V-0, and one kind is added in during modification by new Hyperbranched macromolecular flame retardant type carbon forming agent (UHPCA) and the synergistic that copolymer from ethylene and maleie anhydride is mixed with are fire-retardant Agent, it is therefore an objective to increase flame-retardant reinforced nylon material into charcoal, reduce the addition of fire retardant, carry high CTI value so that it can full The various parts of foot increase the application of fire-retardant nylon material for the rigors of fire-retardant nylon material.
The technical issues of present invention is proposed for solution, the technical solution that uses for:
A kind of environmentally protective, high-performance, high CTI flame-retardant reinforced nylon materials, including it is following by weight percentage Raw material:
The nylon for PA66, PA6, PA46, PA56, PA610, PA1010, PA612, PA12, PA6T, PA9T etc. it One or more of.
The fire retardant TF9103 is a kind of New Phosphorus, nitrogen system bittern-free fire retardant, has low cigarette, nontoxic, thermal stability It is good, flame retarding efficiency is high, with PA resin compatibles it is good the features such as.
The fire retarding synergist is by new hyperbranched macromolecular flame retardant type carbon forming agent (UHPCA) and ethylene and maleic acid Anhydride copolymer is according to 4:1 mixture, the composite material of UHBCA have dissaving structure, are compounded with phosphorus, nitrogen system bittern-free fire retardant Using neat coal amout can be increased considerably, phosphorus, nitrogen system bittern-free amount of flame-retardant agent are reduced, copolymer from ethylene and maleie anhydride adds Enter, material can be made to form micro- crosslinked structure, increase the barrier property of material and the compactness of carbon-coating in burning, reduce fire-retardant The CTI values that the dosage of agent increases material have excellent performance.
The lubricant is the 1 of polyamide wax and silicone powder:1 mixture can play the role of scattered glass.
The antioxidant is one or more of potassium iodide, cuprous iodide, potassium bromide, cuprous oxide mixture, is protected Demonstrate,prove stability of the material during process and long-term thermo-oxidative ageing.
The present invention provides a kind of environmentally protective, high-performance, high CTI flame-retardant reinforced nylon materials and preparation method thereof, including Following steps:
1) dried nylon raw material, lubricant, antioxidant is weighed by formula rate to be uniformly mixed by homogenizer, It is spare.
(2) it is spare after glass fibre is weighed up according to proportioning;
(3) according to proportioning weigh fire retardant and fire retarding synergist be uniformly mixed it is spare;
(4) above-mentioned mixed raw material by the main spout of double screw extruder is added in, glass is passed through into rear end side feeding It adds in (close to head), add in fire retardant by front end spout, after the processes such as melting extrusion, granulation, drying process Obtain the composite material.
Compared with prior art, advantage of the invention is that adding a kind of new over-expense in flame-retardant reinforced nylon material Change the synergistic flame retardant that macromolecular flame retardant type carbon forming agent (UHPCA) is prepared with copolymer from ethylene and maleie anhydride, UHBCA's Composite material has dissaving structure, and neat coal amout can be increased considerably with phosphorus, nitrogen system bittern-free fire retardant compounding use, reduces Phosphorus, nitrogen system bittern-free amount of flame-retardant agent, the addition of copolymer from ethylene and maleie anhydride can make material form micro- crosslinked structure, Increase the barrier property of material and the compactness of carbon-coating in burning, reduce the dosage of fire retardant, increase the CTI values of material with excellent Different performance:.
Specific embodiment
In order to make technical problems, technical solutions and advantageous effects to be solved by the present invention clearer, below in conjunction with reality Example is applied, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used for explaining this hair It is bright, it is not intended to limit the present invention.
The embodiment of the present invention uses following materials:
PA66-EPR27, Chinese Shen Ma groups;
PA6-MF800, Jiangsu Rui Meifu Industrial Co., Ltd.s;
Glass fibre:301HP, 10 μm of diameter, Chongqing Polycomp International Co., Ltd
Fire retardant TF9103:A kind of New Phosphorus, nitrogen system bittern-free fire retardant, it is commercially available;
Lubricant:Silicone powder, technical grade are commercially available;
Bruggolite companies of antioxidant H318 Germany;
Carbon forming agent:New hyperbranched macromolecular flame retardant type carbon forming agent (UHPCA), (C27H33P2O8N15)n, it is commercially available;
Copolymer from ethylene and maleie anhydride, 200 active function groups of a strand are commercially available
Synergistic flame retardant:Carbon forming agent and copolymer from ethylene and maleie anhydride are according to 4:1 ratio is uniformly mixed, self-control.
Properties of product test method:
Tensile property:By ISO527-2 methods, batten size:170*10*4mm, test speed 5mm/min.
Bending property:By ISO178-1 methods, batten size:80*10*4mm, test speed 2mm/min.
Notched impact properties:By 180 methods of ISO, batten size:80*10*4mm.
Anti-flammability:By UL-94 methods, batten size:127*12.7*1.5mm and 127*12.7*3.0mm
Scorching hot filament test:According to IEC 60695, sample thickness 3.0mm
Embodiment 1:
PA6-MF800 3.11kg are weighed, 4h is dried at 100 DEG C, weigh toughener 0.15kg, antioxidant H318 15g, Lubricant 25g is uniformly mixed in homogenizer, obtains resin compound;
The glass fibre of resistance to alcoholysis 0.75kg is weighed, it is spare.
Fire retardant TF9103 1kg, synergistic flame retardant 100g are weighed, is uniformly mixed, it is spare
The above-mentioned resin compound that obtains is added to double screw extruder (screw rod by the main spout of double screw extruder A diameter of 35mm, draw ratio L/D=40), glass fibre is added in into (close to head) by rear end side feeding, leads to fire retardant Front end spout is crossed to add in, each section of control temperature (being exported from charge door to head) of double screw extruder is 170 DEG C, 190 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, double screw extruder rotating speed is 320r/ Min, the material strip of extrusion is through water-carrying groove cools down, pelletizing obtains product after forced air drying agent drying.
Above-mentioned material is molded into standard batten after 110 DEG C of dry 6h in air dry oven at a temperature of 250 DEG C. By the mechanical property batten of injection formed in laboratory standard environment (23 DEG C, 50%RH), it is laggard to place progress status adjustment for 24 hours Row test, more than test result are shown in Table 1.
Embodiment 2:
PA6-MF800 2.61kg are weighed, 4h is dried at 100 DEG C, weigh toughener 0.15kg, antioxidant H318 15g, Lubricant 25g is uniformly mixed in homogenizer, obtains resin compound;
The glass fibre of resistance to alcoholysis 1.5kg is weighed, it is spare.
Fire retardant TF9103 0.75kg, synergistic flame retardant 100g are weighed, is uniformly mixed, it is spare
The above-mentioned resin compound that obtains is added to double screw extruder (screw rod by the main spout of double screw extruder A diameter of 35mm, draw ratio L/D=40), glass fibre is added in into (close to head) by rear end side feeding, leads to fire retardant Front end spout is crossed to add in, each section of control temperature (being exported from charge door to head) of double screw extruder is 170 DEG C, 190 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, double screw extruder rotating speed is 320r/ Min, the material strip of extrusion is through water-carrying groove cools down, pelletizing obtains product after forced air drying agent drying.
Above-mentioned material is molded into standard batten after 110 DEG C of dry 6h in air dry oven at a temperature of 250 DEG C. By the mechanical property batten of injection formed in laboratory standard environment (23 DEG C, 50%RH), it is laggard to place progress status adjustment for 24 hours Row test, more than test result are shown in Table 1.
Embodiment 3:
PA6-MF800 2.36kg are weighed, 4h is dried at 100 DEG C, weigh toughener 0.15kg, antioxidant H318 15g, Lubricant 25g is uniformly mixed in homogenizer, obtains resin compound;
The glass fibre of resistance to alcoholysis 1.75kg is weighed, it is spare.
Fire retardant TF9103 0.75kg, synergistic flame retardant 100g are weighed, is uniformly mixed, it is spare
The above-mentioned resin compound that obtains is added to double screw extruder (screw rod by the main spout of double screw extruder A diameter of 35mm, draw ratio L/D=40), glass fibre is added in into (close to head) by rear end side feeding, leads to fire retardant Front end spout is crossed to add in, each section of control temperature (being exported from charge door to head) of double screw extruder is 170 DEG C, 190 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, double screw extruder rotating speed is 320r/ Min, the material strip of extrusion is through water-carrying groove cools down, pelletizing obtains product after forced air drying agent drying.
Above-mentioned material is molded into standard batten after 110 DEG C of dry 6h in air dry oven at a temperature of 250 DEG C. By the mechanical property batten of injection formed in laboratory standard environment (23 DEG C, 50%RH), it is laggard to place progress status adjustment for 24 hours Row test, more than test result are shown in Table 1.
Embodiment 4:
PA66-EPR27 3.21kg are weighed, 4h is dried at 100 DEG C, weigh toughener 0.15kg, antioxidant H318 15g, lubricant 25g are uniformly mixed in homogenizer, obtain resin compound;
The glass fibre of resistance to alcoholysis 0.75kg is weighed, it is spare.
Fire retardant TF9103 0.9kg, synergistic flame retardant 100g are weighed, is uniformly mixed, it is spare
The above-mentioned resin compound that obtains is added to double screw extruder (screw rod by the main spout of double screw extruder A diameter of 35mm, draw ratio L/D=40), glass fibre is added in into (close to head) by rear end side feeding, leads to fire retardant Front end spout is crossed to add in, each section of control temperature (being exported from charge door to head) of double screw extruder is 210 DEG C, 230 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, double screw extruder rotating speed is 320r/ Min, the material strip of extrusion is through water-carrying groove cools down, pelletizing obtains product after forced air drying agent drying.
Above-mentioned material is molded into standard batten after 110 DEG C of dry 6h in air dry oven at a temperature of 275 DEG C. By the mechanical property batten of injection formed in laboratory standard environment (23 DEG C, 50%RH), it is laggard to place progress status adjustment for 24 hours Row test, more than test result are shown in Table 1.
Embodiment 5:
PA66-EPR27 2.71kg are weighed, 4h is dried at 100 DEG C, weigh toughener 0.15kg, antioxidant H318 15g, lubricant 25g are uniformly mixed in homogenizer, obtain resin compound;
The glass fibre of resistance to alcoholysis 1.5kg is weighed, it is spare.
Fire retardant TF9103 0.65kg, synergistic flame retardant 100g are weighed, is uniformly mixed, it is spare
The above-mentioned resin compound that obtains is added to double screw extruder (screw rod by the main spout of double screw extruder A diameter of 35mm, draw ratio L/D=40), glass fibre is added in into (close to head) by rear end side feeding, leads to fire retardant Front end spout is crossed to add in, each section of control temperature (being exported from charge door to head) of double screw extruder is 210 DEG C, 230 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, double screw extruder rotating speed is 320r/ Min, the material strip of extrusion is through water-carrying groove cools down, pelletizing obtains product after forced air drying agent drying.
Above-mentioned material is molded into standard batten after 110 DEG C of dry 6h in air dry oven at a temperature of 275 DEG C. By the mechanical property batten of injection formed in laboratory standard environment (23 DEG C, 50%RH), it is laggard to place progress status adjustment for 24 hours Row test, more than test result are shown in Table 1.
Embodiment 6:
PA66-EPR27 2.46kg are weighed, 4h is dried at 100 DEG C, weigh toughener 0.15kg, antioxidant H318 15g, lubricant 25g are uniformly mixed in homogenizer, obtain resin compound;
The glass fibre of resistance to alcoholysis 1.75kg is weighed, it is spare.
Fire retardant TF9103 0.65kg, synergistic flame retardant 100g are weighed, is uniformly mixed, it is spare
The above-mentioned resin compound that obtains is added to double screw extruder (screw rod by the main spout of double screw extruder A diameter of 35mm, draw ratio L/D=40), glass fibre is added in into (close to head) by rear end side feeding, leads to fire retardant Front end spout is crossed to add in, each section of control temperature (being exported from charge door to head) of double screw extruder is 210 DEG C, 230 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, double screw extruder rotating speed is 320r/ Min, the material strip of extrusion is through water-carrying groove cools down, pelletizing obtains product after forced air drying agent drying.
Above-mentioned material is molded into standard batten after 110 DEG C of dry 6h in air dry oven at a temperature of 275 DEG C. By the mechanical property batten of injection formed in laboratory standard environment (23 DEG C, 50%RH), it is laggard to place progress status adjustment for 24 hours Row test, more than test result are shown in Table 1.
Comparative example 1:
PA6-MF800 2.56kg are weighed, 4h is dried at 100 DEG C, weigh toughener 0.15kg, antioxidant H318 15g, Lubricant 25g is uniformly mixed in homogenizer, obtains resin compound;
The glass fibre of resistance to alcoholysis 1.5kg is weighed, it is spare.
Fire retardant TF9103 0.9kg are weighed, are uniformly mixed, it is spare
The above-mentioned resin compound that obtains is added to double screw extruder (screw rod by the main spout of double screw extruder A diameter of 35mm, draw ratio L/D=40), glass fibre is added in into (close to head) by rear end side feeding, leads to fire retardant Front end spout is crossed to add in, each section of control temperature (being exported from charge door to head) of double screw extruder is 170 DEG C, 190 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, double screw extruder rotating speed is 320r/ Min, the material strip of extrusion is through water-carrying groove cools down, pelletizing obtains product after forced air drying agent drying.
Above-mentioned material is molded into standard batten after 110 DEG C of dry 6h in air dry oven at a temperature of 250 DEG C. By the mechanical property batten of injection formed in laboratory standard environment (23 DEG C, 50%RH), it is laggard to place progress status adjustment for 24 hours Row test, more than test result are shown in Table 1.
Comparative example 2:
PA66-EPR27 2.66kg are weighed, 4h is dried at 100 DEG C, weigh toughener 0.15kg, antioxidant H318 15g, lubricant 25g are uniformly mixed in homogenizer, obtain resin compound;
The glass fibre of resistance to alcoholysis 1.5kg is weighed, it is spare.
Fire retardant TF9103 0.8kg are weighed, are uniformly mixed, it is spare
The above-mentioned resin compound that obtains is added to double screw extruder (screw rod by the main spout of double screw extruder A diameter of 35mm, draw ratio L/D=40), glass fibre is added in into (close to head) by rear end side feeding, leads to fire retardant Front end spout is crossed to add in, each section of control temperature (being exported from charge door to head) of double screw extruder is 210 DEG C, 230 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, 240 DEG C, double screw extruder rotating speed is 320r/ Min, the material strip of extrusion is through water-carrying groove cools down, pelletizing obtains product after forced air drying agent drying.
Above-mentioned material is molded into standard batten after 110 DEG C of dry 6h in air dry oven at a temperature of 275 DEG C. By the mechanical property batten of injection formed in laboratory standard environment (23 DEG C, 50%RH), it is laggard to place progress status adjustment for 24 hours Row test, more than test result are shown in Table 1.
Comparative example 3:
PA6-MF800 2.96kg are weighed, 4h is dried at 100 DEG C, weigh toughener 0.15kg, antioxidant H318 15g, Lubricant 25g is uniformly mixed in homogenizer, obtains resin compound;
The glass fibre of resistance to alcoholysis 0.75kg is weighed, it is spare.
Fire retardant TF9103 1.25kg are weighed, are uniformly mixed, it is spare
The above-mentioned resin compound that obtains is added to double screw extruder (screw rod by the main spout of double screw extruder A diameter of 35mm, draw ratio L/D=40), glass fibre is added in into (close to head) by rear end side feeding, leads to fire retardant Front end spout is crossed to add in, each section of control temperature (being exported from charge door to head) of double screw extruder is 170 DEG C, 190 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, 200 DEG C, double screw extruder rotating speed is 320r/ Min, the material strip of extrusion is through water-carrying groove cools down, pelletizing obtains product after forced air drying agent drying.
Above-mentioned material is molded into standard batten after 110 DEG C of dry 6h in air dry oven at a temperature of 250 DEG C. By the mechanical property batten of injection formed in laboratory standard environment (23 DEG C, 50%RH), it is laggard to place progress status adjustment for 24 hours Row test, more than test result are shown in Table 1.
Table 1:The performance test results.
The additive amount of above-mentioned fire retardant is the minimum additive amount that can reach V-0, and nylon is can be seen that from the data of table 1 Material is with the addition of synergistic combustion adjuvant, and the dosage of fire retardant reduces and CTI values have and significantly increase, this explanation is hyperbranched Macromolecular flame retardant type carbon forming agent (UHPCA) can imitate reduction with the synergistic flame retardant that copolymer from ethylene and maleie anhydride is prepared The dosage of fire retardant improves flame retardant property and CTI values.And entire flame-retardant system, which uses, to be obtained being halogen-free flame-retardant system, makes material Material keeps higher mechanical property, and high CTI value can increase the application of fire-retardant nylon material, the application pair of synergistic combustion adjuvant In increasing, material obtains anti-flammability, raising CTI has very important significance.

Claims (6)

1. a kind of environmentally protective, high-performance, high CTI flame-retardant reinforced nylon materials, it is characterised in that:It includes following by weight hundred Divide the raw material than meter:
2. one kind according to claim 1 is environmentally protective, high-performance, high CTI flame-retardant reinforced nylon materials, feature exists In:The nylon is one kind among PA66, PA6, PA46, PA56, PA610, PA1010, PA612, PA12, PA6T, PA9T It is or several.
3. one kind according to claim 1 is environmentally protective, high-performance, high CTI flame-retardant reinforced nylon materials, feature exists In:The fire retarding synergist be by new hyperbranched macromolecular flame retardant type carbon forming agent and copolymer from ethylene and maleie anhydride according to 4:1 mixture.
4. one kind according to claim 1 is environmentally protective, high-performance, high CTI flame-retardant reinforced nylon materials, feature exists In:The lubricant is the 1 of polyamide wax and silicone powder:1 mixture.
5. one kind according to claim 1 is environmentally protective, high-performance, high CTI flame-retardant reinforced nylon materials, feature exists In:The antioxidant is one or more of potassium iodide, cuprous iodide, potassium bromide, cuprous oxide mixture.
6. claim 1-5 one of the arbitrary environmentally protective, high-performance, the preparation method of high CTI flame-retardant reinforced nylon materials, It is characterized in that:Comprise the following steps:
(1) dried nylon raw material, lubricant, antioxidant is weighed by formula rate to be uniformly mixed by homogenizer, it is standby With.
(2) it is spare after glass fibre is weighed up according to proportioning;
(3) according to proportioning weigh fire retardant and fire retarding synergist be uniformly mixed it is spare;
(4) above-mentioned mixed raw material is added in by the main spout of double screw extruder, glass is added in by rear end side feeding, Fire retardant by front end spout is added in, the composite wood is obtained after the processes such as melting extrusion, granulation, drying process Material.
CN201711446267.3A 2017-12-27 2017-12-27 A kind of environmentally protective, high-performance, high CTI flame-retardant reinforced nylon materials and preparation method thereof Pending CN108102359A (en)

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CN109370212A (en) * 2018-10-22 2019-02-22 滁州吉胜新材料科技有限公司 A kind of formula and preparation method of high scorching hot flame-retardant reinforced nylon 56
CN109401299A (en) * 2018-10-22 2019-03-01 滁州吉胜新材料科技有限公司 A kind of flame-retardant reinforced nylon 56 and preparation method thereof
CN109651807A (en) * 2018-11-13 2019-04-19 厦门金越电器有限公司 A kind of modification salvage material of PA46 secondary material and preparation method thereof
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CN109651807B (en) * 2018-11-13 2021-08-20 厦门金越电器有限公司 Modified recycled material of PA46 secondary material and preparation method thereof
CN109749432A (en) * 2018-12-25 2019-05-14 浙江普利特新材料有限公司 A kind of high durable, apperance performance, the glass fiber reinforced nylon material of high-performance for automobile and preparation method thereof

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