CN109233270A - Utilize the halogen-free flame-retardant nylon 6 material and preparation method thereof of 6 waste silk of polyamide fibre production - Google Patents
Utilize the halogen-free flame-retardant nylon 6 material and preparation method thereof of 6 waste silk of polyamide fibre production Download PDFInfo
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- CN109233270A CN109233270A CN201811117099.8A CN201811117099A CN109233270A CN 109233270 A CN109233270 A CN 109233270A CN 201811117099 A CN201811117099 A CN 201811117099A CN 109233270 A CN109233270 A CN 109233270A
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34928—Salts
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
- C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
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- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L2201/02—Flame or fire retardant/resistant
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- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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Abstract
The invention belongs to composite polymer material fields, are related to a kind of halogen-free flame-retardant nylon 6 material and preparation method thereof using the production of 6 waste silk of polyamide fibre.Raw material including following parts by weight is made: 6 80~92.5 parts of nylon, 7~15 parts of halogen-free flame retardants, 0.1~2 part of carbon forming agent, 0.1~2 part of lubricant, 0.3~1 part of antioxidant of recycling；The recycling nylon 6 is 6 waste silk of polyamide fibre particle made of granule machine, relative viscosity 2.47.Graininess is made by granule machine in 6 waste silk of polyamide fibre, granular recycling nylon 6, halogen-free flame retardants, carbon forming agent, lubricant and antioxidant, which are uniformly mixed, to be added to double screw extruder, can obtain halogen-free flame-retardant nylon 6 material after water cooling, air-dried, pelletizing.This method simple process, enables waste material to recycle, low in cost；It is suitable with using the modified obtained halogen-free flame-retardant nylon 6 of virgin material using the properties of waste modified obtained halogen-free flame-retardant nylon 6.
Description
Technical field
The invention belongs to composite polymer material fields, are related to a kind of halogen-free flame-retardant nylon 6 produced using 6 waste silk of polyamide fibre
Material and preparation method thereof.
Background technique
China is only second to terylene to the demand of the civilian silk of polyamide fibre 6, but during the spinning process, often due to broken end,
The reasons such as equipment cleaning generate more waste silk, and waste silk amount accounts for about the 2-5% of 6 civilian outputs of polyamide fibre.Some patents point at present
It is other that these waste silks have been carried out with different processing, but all without reaching maximum economic benefit with energy consumption as few as possible.Example
As 103467378 A of Chinese patent CN by 6 waste silk of polyamide fibre by heating melting, phosphoric acid depolymerization, oxidation, alkalization, filtering, concentration,
Rectifying and crystallization obtain monomer caprolactam, and this method process is complicated, energy consumption is huge, economic benefit is lower；Chinese patent CN
6 waste silk of polyamide fibre by crushing, screening, melting extrusion, water cooling, pelletizing and is dried to obtain nylon 6 after the recovery by 104818548 A
Slice, can be further used for requiring lower spinning or engineering plastics, and this method is from the discharge port of screw extruder to underwater
The outlet of pelletizing is intended to using nitrogen protection, and energy consumption is larger, and economic benefit is general；1065472 A of Chinese patent CN is by polyamide fibre 6
Waste silk and rare-earth cerium compound by dissolution, neutralize, be precipitated, washing, drying, it is dry, be ground up, sieved and be packaged to be performance with
The comparable polyamide 6 modification regeneration powder of polyamide 1010 powder is used as spraying raw material, and this method technique is relatively simple, cost
Cheap, economic results in society are more significant.
Fire-retardant Nylon 6 due to good wearability, chemical resistance, heat resistance, impact resistance, self-lubrication and
Property easy to process, is widely used in electronic electric equipment and household electrical appliance etc..It is applied to the fire retardant master of fire-retardant Nylon 6 at present
There are halogenated flame retardant, phosphorus flame retardant, nitrogenated flame retardant, metal compounds flame retardant etc..Wherein, halogenated flame retardant is (with bromine
Based on system) high-efficient, additive amount it is few and moderate, usage amount accounts for about the 80% of fire retardant total amount.But halogenated flame retardant
A large amount of toxic fumes and corrosive gas can be generated in burning, in addition part bromide fire retardant is the problem of dioxin
It is forbidden to use by European Union RoSH instruction.Therefore exploitation flame retarding efficiency is high, and 6 product of nylon of environment friendly halogen-free fireproof just becomes to compel in eyebrow
Eyelash.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of halogen-free flame-retardant nylon 6 material produced using 6 waste silk of polyamide fibre
Material and preparation method thereof, the halogen-free flame-retardant nylon 6 material good physical properties produced reach V-0 grades of flame retardant rating, simultaneously
Production cost is reduced again.
In order to solve the above-mentioned technical problem, a kind of the technical solution adopted by the present invention are as follows: nothing produced using 6 waste silk of polyamide fibre
Halogen flame-retardant nylon 6 material, the raw material including following parts by weight are made: 6 80~92.5 parts of nylon of recycling, halogen-free flame retardants 7~15
Part, 0.1~2 part of carbon forming agent, 0.1~2 part of lubricant, 0.3~1 part of antioxidant；
The recycling nylon 6 is 6 waste silk of polyamide fibre particle made of granule machine, relative viscosity 2.47.
The present invention also provides a kind of preparation method of above-mentioned halogen-free flame-retardant nylon 6 material using the production of 6 waste silk of polyamide fibre, packets
Include following steps:
Granular recycling nylon 6 is made by granule machine in step 1,6 waste silk of polyamide fibre, and the recycling nylon 6 glues relatively
Degree is 2.47；
Step 2 weighs 6 80~92.5 parts of the resulting recycling nylon of step 1,7~15 parts of halogen-free flame retardants, carbon forming agent 0.1
Twin-screw extrusion is added in 0.3~1 part of~2 parts, 0.1~2 part of lubricant and antioxidant mixing 10min, mixed material
In the main feed hopper of machine；
The temperature of the double screw extruder of step 3, setting procedure 2 is 210~250 DEG C, the spiral shell of the double screw extruder
Bar draw ratio is 32~58, and the engine speed of the double screw extruder is 300~500r/min；
Step 4, the material squeezed out by double screw extruder obtain halogen-free flame-retardant nylon 6 by water cooling, air-dried, pelletizing.
The beneficial effects of the present invention are: 6 waste silks of polyamide fibre of the invention after the granulation of granule machine, it is opposite for strict control
Viscosity is 2.47, viscosity be 2.47 recycling nylon 6 be conducive to improve product injection molding when mobility, reduce injection time, production
Product easy mold release, and product crystalline rate can be improved etc., it is widely used in the fields such as auto industry, electronics, machinery, recycles nylon 6
It is used directly for halogen-free flameproof modification, performance and the use modified nylon 6 of virgin material of halogen-free flameproof modification of nylon 6 obtained
Physical property is suitable, tensile strength 63MPa, bending strength 98MPa, bending modulus 5301MPa, notch impact strength 4.9KJ/
m2, reach V-0 grades of flame retardant rating, the requirement with electronic electric equipment and household electrical appliance etc. can be met.The present invention will
Waste reclamation is turned waste into wealth, and process is simple, and energy consumption is very low, low in cost, has huge economic results in society.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, it is explained below in conjunction with embodiment.
The most critical design of the present invention is: 6 waste silk of polyamide fibre becomes particle, its relative viscosity of strict control by granule machine
It is 2.47, so that recycling nylon 6 is used directly for, halogen-free flameproof is modified, and the performance of halogen-free flameproof modification of nylon 6 obtained is excellent
It is good, reach V-0 grades of flame retardant rating.
The present invention provides a kind of halogen-free flame-retardant nylon 6 material produced using 6 waste silk of polyamide fibre, the original including following parts by weight
Material is made: 6 80~92.5 parts of nylon of recycling, and 7~15 parts of halogen-free flame retardants, 0.1~2 part of carbon forming agent, 0.1~2 part of lubricant,
0.3~1 part of antioxidant；
The recycling nylon 6 is 6 waste silk of polyamide fibre particle made of granule machine, relative viscosity 2.47.
As can be seen from the above description, the beneficial effects of the present invention are: 6 waste silk of polyamide fibre of the invention is granulated by granule machine
Afterwards, its relative viscosity of strict control is 2.47, and the recycling nylon 6 that viscosity is 2.47 is conducive to improve flowing when product injection molding
Property, reduce injection time, product easy mold release, and product crystalline rate can be improved etc., be widely used in auto industry, electronics, machine
The fields such as tool, recycling nylon 6 are used directly for halogen-free flameproof and are modified, the performance and use of halogen-free flameproof modification of nylon 6 obtained
The physical property of the modified nylon 6 of virgin material is suitable, tensile strength 63MPa, bending strength 98MPa, bending modulus
5301MPa, notch impact strength 4.9KJ/m2, reach V-0 grades of flame retardant rating, can meet and electronic electric equipment and household
The requirement of electric appliance etc..The present invention turns waste into wealth waste reclamation, and process is simple, and energy consumption is very low, low in cost, tool
There are huge economic results in society.
The viscosity of the slice of 6 high-speed spinning of polyamide fibre is strict controlled in 2.47, and the viscosity of the waste silk generated is also 2.47, is returning
During receiving waste silk, the change of its physical aspect is only carried out by granule machine, becomes graininess from filiform, does not change it
Viscosity, therefore the relative viscosity of obtained recycling nylon 6 is still 2.47, which can carry out actual measurement by viscosimeter.
Further, the halogen-free flame retardants is compound in triazine class, and the halogen-free flame retardants is melamine cyanurate
Salt, phosphate, guanidine salt or dicyandiamide salt.
Further, the halogen-free flame retardants is melamine cyanurate.
Further, the carbon forming agent is phosphate or phosphate derivative.
Further, the carbon forming agent is pentaerythritol phosphate.
Further, the lubricant is ethylene-acrylic acid copolymer wax, calcium stearate, silicone powder, pentaerythrite stearic acid
One or more of ester.
Further, the lubricant is pentaerythritol stearate.
Further, the antioxidant is antioxidant 1010, antioxidant 1098, antioxidant 944, irgasfos 168 and antioxygen
One or more of agent 1790.
Further, the antioxidant is antioxidant 1010 (four [β-(3,5- di-tert-butyl-hydroxy phenyl) and antioxygens
Agent 168 (three [2,4- di-tert-butyl-phenyl] phosphite esters) is that 1:1 compounding is made according to mass ratio.
The present invention also provides a kind of preparation method of above-mentioned halogen-free flame-retardant nylon 6 material using the production of 6 waste silk of polyamide fibre, packets
Include following steps:
Granular recycling nylon 6 is made by granule machine in step 1,6 waste silk of polyamide fibre, and the recycling nylon 6 glues relatively
Degree is 2.47；
Step 2 weighs 6 80~92.5 parts of the resulting recycling nylon of step 1,7~15 parts of halogen-free flame retardants, carbon forming agent 0.1
Twin-screw extrusion is added in 0.3~1 part of~2 parts, 0.1~2 part of lubricant and antioxidant mixing 10min, mixed material
In the main feed hopper of machine；
The temperature of the double screw extruder of step 3, setting procedure 2 is 210~250 DEG C, the spiral shell of the double screw extruder
Bar draw ratio is 32~58, and the engine speed of the double screw extruder is 300~500r/min；
Step 4, the material squeezed out by double screw extruder obtain halogen-free flame-retardant nylon 6 by water cooling, air-dried, pelletizing.
In following embodiment and comparative example composite-material formula, following part is parts by weight, and 6 waste silk of polyamide fibre is Fu Jianjin
The preceding spinning of river Science and Technology Ltd. and the mixing of the rear tetra- kinds of waste silks of POY, HOY, FDY, DTY for spinning production (include light, semi-gloss, complete
Delustring three classes waste silk), the virgin material bright chip trade mark is JC1005, Fujian Jinjiang Technology Co., Ltd.'s production；Virgin material semi-gloss slice
The trade mark is JA2004, Fujian Jinjiang Technology Co., Ltd.'s production；The virgin material full-dull polyester trade mark is ZD3002, Fujian Zhong Jin green wood
Expect Co., Ltd's production；Halogen-free flame retardants trade mark HT-231, Jinan Taixing Fine Chemicals Co., ltd's production；Carbon forming agent PEPA,
The production of Guangzhou Xi Jia Chemical Co., Ltd.；The lubricant trade mark is PETS-4, the production of Liaocheng Rui Jie Chemical Co., Ltd.；Antioxidant
1010, irgasfos 168, the bright Chemical Co., Ltd.'s production of Nanjing Holley.The present invention produces halogen-free reinforced nylon using 6 waste silk of polyamide fibre
6 materials mould YSTL granule machine and Nanjing Jieya Extruding Equipment Co., Ltd.'s production of Machinery Co., Ltd.'s production using Zhangjiagang hundred million
SHJ-63 (draw ratio 40) double screw extruder production.
Embodiment 1
A kind of halogen-free flame-retardant nylon 6 material produced using 6 waste silk of polyamide fibre, the raw material including following parts by weight are made: being returned
Receive 6 80 parts of nylon, 7 parts of halogen-free flame retardants, 0.1 part of carbon forming agent, 0.1 part of lubricant, 0.3 part of antioxidant；
The halogen-free flame retardants is melamine cyanurate, and the carbon forming agent is phosphate, and the lubricant is ethylene-
Acrylic acid copolymer wax, the antioxidant are antioxidant 1010；
The recycling nylon 6 is 6 waste silk of polyamide fibre particle made of granule machine, relative viscosity 2.47.
The present invention also provides a kind of preparation method of above-mentioned halogen-free flame-retardant nylon 6 material using the production of 6 waste silk of polyamide fibre, packets
Include following steps:
Granular recycling nylon 6 is made by granule machine in step 1,6 waste silk of polyamide fibre, and the recycling nylon 6 glues relatively
Degree is 2.47；
Step 2 weighs 6 80 parts of the resulting recycling nylon of step 1,7 parts of halogen-free flame retardants, 0.1 part of carbon forming agent, lubricant
0.1 part is added in the main feed hopper of double screw extruder with 0.3 part of mixing 10min of antioxidant, mixed material；
The temperature of the double screw extruder of step 3, setting procedure 2 is 210~250 DEG C, the spiral shell of the double screw extruder
Bar draw ratio is 32~58, and the engine speed of the double screw extruder is 300~500r/min；
Step 4, the material squeezed out by double screw extruder obtain halogen-free flame-retardant nylon 6 by water cooling, air-dried, pelletizing.
Embodiment 2
A kind of halogen-free flame-retardant nylon 6 material produced using 6 waste silk of polyamide fibre, the raw material including following parts by weight are made: being returned
Receive 6 88 parts of nylon, 10 parts of halogen-free flame retardants, 1 part of carbon forming agent, 0.5 part of lubricant, 0.5 part of antioxidant；
The halogen-free flame retardants is melamine cyanurate, and the carbon forming agent is pentaerythritol phosphate, the lubrication
Agent is pentaerythritol stearate, and it with irgasfos 168 is that 1:1 compounds system according to mass ratio that the antioxidant, which is antioxidant 1010,
At；
The recycling nylon 6 is 6 waste silk of polyamide fibre particle made of granule machine, relative viscosity 2.47.
The present invention also provides a kind of preparation method of above-mentioned halogen-free flame-retardant nylon 6 material using the production of 6 waste silk of polyamide fibre, packets
Include following steps:
Granular recycling nylon 6 is made by granule machine in step 1,6 waste silk of polyamide fibre, and the recycling nylon 6 glues relatively
Degree is 2.47；
Step 2 weighs 6 88 parts of the resulting recycling nylon of step 1,10 parts of halogen-free flame retardants, 1 part of carbon forming agent, lubricant
0.5 part is added in the main feed hopper of double screw extruder with 0.5 part of mixing 10min of antioxidant, mixed material；
Each warm area temperature of step 3,2 double screw extruder of setting procedure: 210 DEG C of an area, two 230 DEG C of areas, three 240 DEG C of areas,
Four 245 DEG C of areas, five 230 DEG C of areas, six 230 DEG C of areas, seven 245 DEG C of areas, eight 240 DEG C of areas, nine 240 DEG C of areas set double screw extruder
Twin-screw draw ratio be 40, set engine speed as 400 turns/min；
Step 4, the material squeezed out by double screw extruder obtain halogen-free flame-retardant nylon 6 by water cooling, air-dried, pelletizing.
Embodiment 3
A kind of halogen-free flame-retardant nylon 6 material produced using 6 waste silk of polyamide fibre, the raw material including following parts by weight are made: being returned
Receive 6 92.5 parts of nylon, 15 parts of halogen-free flame retardants, 2 parts of carbon forming agent, 2 parts of lubricant, 1 part of antioxidant；
The halogen-free flame retardants is melamine cyanurate, and the carbon forming agent is pentaerythritol phosphate, the lubrication
Agent is pentaerythritol stearate, and it with irgasfos 168 is that 1:1 compounds system according to mass ratio that the antioxidant, which is antioxidant 1010,
At；
The recycling nylon 6 is 6 waste silk of polyamide fibre particle made of granule machine, relative viscosity 2.47.
The present invention also provides a kind of preparation method of above-mentioned halogen-free flame-retardant nylon 6 material using the production of 6 waste silk of polyamide fibre, packets
Include following steps:
Granular recycling nylon 6 is made by granule machine in step 1,6 waste silk of polyamide fibre, and the recycling nylon 6 glues relatively
Degree is 2.47；
Step 2 weighs 6 92.5 parts of the resulting recycling nylon of step 1,15 parts of halogen-free flame retardants, 2 parts of carbon forming agent, lubricant
2 parts are added in the main feed hopper of double screw extruder with 1 part of mixing 10min of antioxidant, mixed material；
Each warm area temperature of step 3,2 double screw extruder of setting procedure: 210 DEG C of an area, two 230 DEG C of areas, three 240 DEG C of areas,
Four 245 DEG C of areas, five 230 DEG C of areas, six 230 DEG C of areas, seven 245 DEG C of areas, eight 240 DEG C of areas, nine 240 DEG C of areas set double screw extruder
Twin-screw draw ratio be 40, set engine speed as 400 turns/min；
Step 4, the material squeezed out by double screw extruder obtain halogen-free flame-retardant nylon 6 by water cooling, air-dried, pelletizing.
Comparative example 1
88 parts of virgin material there are into light nylon 6 slice, 10 parts of halogen-free flame retardants, 1 part of carbon forming agent, 0.5 part of lubricant
10min is stirred in 0.5 part of antioxidant addition low-speed mixer, said mixture is added to the main feeding of double screw extruder
In hopper, processing temperature setting is as follows: 210 DEG C of an area, two 230 DEG C of areas, three 240 DEG C of areas, four 245 DEG C of areas, five 230 DEG C of areas, and six
230 DEG C of area, seven 245 DEG C of areas, eight 240 DEG C of areas, nine 240 DEG C of areas；Engine speed is set as 400 turns/min.
Comparative example 2
By 88 parts of virgin material semi-gloss nylon 6 slice, 10 parts of halogen-free flame retardants, 1 part of carbon forming agent, 0.5 part of lubricant
10min is stirred in 0.5 part of antioxidant addition low-speed mixer, said mixture is added to the main feeding of double screw extruder
In hopper, processing temperature setting is as follows: 210 DEG C of an area, two 230 DEG C of areas, three 240 DEG C of areas, four 245 DEG C of areas, five 230 DEG C of areas, and six
230 DEG C of area, seven 245 DEG C of areas, eight 240 DEG C of areas, nine 240 DEG C of areas；Engine speed is set as 400 turns/min.
Comparative example 3
By 88 parts of virgin material full-dull nylon 6 slice, 10 parts of halogen-free flame retardants, 1 part of carbon forming agent, 0.5 part of lubrication
Agent and 0.5 part of antioxidant, which are added in low-speed mixer, stirs 10min, and the master that double screw extruder is added in said mixture is fed
Expect in hopper, processing temperature setting is as follows: 210 DEG C of an area, two 230 DEG C of areas, three 240 DEG C of areas, four 245 DEG C of areas, five 230 DEG C of areas,
Six 230 DEG C of areas, seven 245 DEG C of areas, eight 240 DEG C of areas, nine 240 DEG C of areas；Engine speed is set as 400 turns/min.
Performance test
The pellet that Examples 1 to 3 and comparative example 1~3 prepare is put into convection oven, it is 4 hours dry at 90 DEG C,
Then dried pellet is made standard batten in injection (mo(u)lding) machine, 80 DEG C of mold temperature.
Mechanics Performance Testing: tensile property test is carried out by ISO 527, and specimen size is 150 × 10 × 4mm, stretches speed
Degree is 10mm/min；Bending property test is carried out by ISO 178, and specimen size is 80 × 10 × 4mm, rate of bending 2mm/
Min, span 64mm；Simply supported beam notch impact strength is carried out by ISO 179, and specimen size is 55 × 6 × 4mm, notch depth
For the one third of sample thickness.Flame retardant property test: for vertical combustion according to UL94 standard, sample 3.2mm is thick.
The comprehensive performance of material by test resulting tensile strength, bending strength, bending modulus, notch impact strength with
And vertical combustion is evaluated.The performance of embodiment and comparative example is compared as follows table:
It can be seen that from the embodiment 2 and comparative example 1, comparative example 2, the results of property of comparative example 3 of upper table using polyamide fibre 6
The physical properties such as modified obtained tensile strength, bending strength, the notch impact strength of halogen-free flame-retardant nylon 6 of waste silk reclaimed materials are excellent
It is good, and reached V-0 grades of flame retardant rating, the requirement with electronic electric equipment and household electrical appliance etc. can be met.And
And environmental protection is not only contributed to be modified using 6 waste silk reclaimed materials of polyamide fibre, resource makes full use of, and low in cost, society
It can remarkable in economical benefits.
In conclusion the halogen-free flame-retardant nylon 6 material and its preparation side provided by the invention using the production of 6 waste silk of polyamide fibre
Method, 6 waste silk of polyamide fibre is after the granulation of granule machine, its relative viscosity of strict control is 2.47, and the recycling nylon 6 that viscosity is 2.47 has
Mobility, reduction injection time, product easy mold release when conducive to raising product injection molding, and product crystalline rate can be improved etc., extensively
General to be applied to the fields such as auto industry, electronics, machinery, recycling nylon 6 is used directly for halogen-free flameproof and is modified, Halogen obtained
The performance of flame-retardant modified nylon 6 is suitable with the physical property of the modified nylon 6 of virgin material, tensile strength 63MPa, and bending is strong
Spend 98MPa, bending modulus 5301MPa, notch impact strength 4.9KJ/m2, reach V-0 grades of flame retardant rating, can meet and electricity
The requirement of sub- electrical equipment and household electrical appliance etc..The present invention turns waste into wealth waste reclamation, and process is simple, energy consumption
It is very low, it is low in cost, there are huge economic results in society.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright description are applied directly or indirectly in relevant technical field, are similarly included in this hair
In bright scope of patent protection.
Claims (10)
1. a kind of halogen-free flame-retardant nylon 6 material produced using 6 waste silk of polyamide fibre, which is characterized in that the original including following parts by weight
Material is made: 6 80~92.5 parts of nylon of recycling, and 7~15 parts of halogen-free flame retardants, 0.1~2 part of carbon forming agent, 0.1~2 part of lubricant,
0.3~1 part of antioxidant；
The recycling nylon 6 is 6 waste silk of polyamide fibre particle made of granule machine, relative viscosity 2.47.
2. the halogen-free flame-retardant nylon 6 material according to claim 1 produced using 6 waste silk of polyamide fibre, which is characterized in that described
Halogen-free flame retardants is compound in triazine class, and the halogen-free flame retardants is melamine cyanurate, phosphate, guanidine salt or dicyandiamide
Salt.
3. the halogen-free flame-retardant nylon 6 material according to claim 1 produced using 6 waste silk of polyamide fibre, which is characterized in that described
Halogen-free flame retardants is melamine cyanurate.
4. the halogen-free flame-retardant nylon 6 material according to claim 1 produced using 6 waste silk of polyamide fibre, which is characterized in that described
Carbon forming agent is phosphate or phosphate derivative.
5. the halogen-free flame-retardant nylon 6 material according to claim 1 produced using 6 waste silk of polyamide fibre, which is characterized in that described
Carbon forming agent is pentaerythritol phosphate.
6. the halogen-free flame-retardant nylon 6 material according to claim 1 produced using 6 waste silk of polyamide fibre, which is characterized in that described
Lubricant is one or more of ethylene-acrylic acid copolymer wax, calcium stearate, silicone powder, pentaerythritol stearate.
7. the halogen-free flame-retardant nylon 6 material according to claim 1 produced using 6 waste silk of polyamide fibre, which is characterized in that described
Lubricant is pentaerythritol stearate.
8. the halogen-free flame-retardant nylon 6 material according to claim 1 produced using 6 waste silk of polyamide fibre, which is characterized in that described
Antioxidant is one or more of antioxidant 1010, antioxidant 1098, antioxidant 944, irgasfos 168 and antioxidant 1790.
9. the halogen-free flame-retardant nylon 6 material according to claim 1 produced using 6 waste silk of polyamide fibre, which is characterized in that described
It is that 1:1 is compounded and is made that antioxidant, which is antioxidant 1010 with irgasfos 168 according to mass ratio,.
10. a kind of system of the halogen-free flame-retardant nylon 6 material using the production of 6 waste silk of polyamide fibre any according to claim 1~9
Preparation Method, which comprises the following steps:
Granular recycling nylon 6 is made by granule machine in step 1,6 waste silk of polyamide fibre, and the relative viscosity of the recycling nylon 6 is
2.47；
Step 2 weighs 6 80~92.5 parts of the resulting recycling nylon of step 1,7~15 parts of halogen-free flame retardants, carbon forming agent 0.1~2
Double screw extruder is added in 0.3~1 part of part, 0.1~2 part of lubricant and antioxidant mixing 10min, mixed material
In main feed hopper；
The temperature of the double screw extruder of step 3, setting procedure 2 is 210~250 DEG C, and the screw rod of the double screw extruder is long
Diameter ratio is 32~58, and the engine speed of the double screw extruder is 300~500r/min；
Step 4, the material squeezed out by double screw extruder obtain halogen-free flame-retardant nylon 6 by water cooling, air-dried, pelletizing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811117099.8A CN109233270A (en) | 2018-09-25 | 2018-09-25 | Utilize the halogen-free flame-retardant nylon 6 material and preparation method thereof of 6 waste silk of polyamide fibre production |
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| CN201811117099.8A CN109233270A (en) | 2018-09-25 | 2018-09-25 | Utilize the halogen-free flame-retardant nylon 6 material and preparation method thereof of 6 waste silk of polyamide fibre production |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111635628A (en) * | 2020-05-12 | 2020-09-08 | 中广核俊尔(浙江)新材料有限公司 | Precipitation-resistant nitrogen-series flame-retardant nylon composite material prepared from waste fishing net wire reclaimed materials |
| CN112457663A (en) * | 2020-10-31 | 2021-03-09 | 山东广垠新材料有限公司 | Flame-retardant nylon corrugated pipe modified material and preparation method thereof |
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Address after: 350209 Airport Industrial Zone, Changle District, Fuzhou City, Fujian Province (Mashan District, Hunan town) Applicant after: Fujian Yongrong Jinjiang Co., Ltd Address before: 350209 Pengcheng Road, Changle Airport Industrial Zone, Fuzhou, Fujian 28 Applicant before: FUJIAN JINJIANG TECHNOLOGY Co.,Ltd. |
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Application publication date: 20190118 |