CN109233271A - Utilize the short glass fiber reinforced nylon 6 material and preparation method thereof of 6 waste silk of polyamide fibre production - Google Patents
Utilize the short glass fiber reinforced nylon 6 material and preparation method thereof of 6 waste silk of polyamide fibre production Download PDFInfo
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- CN109233271A CN109233271A CN201811117104.5A CN201811117104A CN109233271A CN 109233271 A CN109233271 A CN 109233271A CN 201811117104 A CN201811117104 A CN 201811117104A CN 109233271 A CN109233271 A CN 109233271A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2207/20—Recycled plastic
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Abstract
The invention belongs to composite polymer material fields, and in particular to utilize the short glass fiber reinforced nylon 6 material and preparation method thereof of 6 waste silk of polyamide fibre production.Raw material including following parts by weight is made: 6 32~94 parts of nylon of recycling；5~65 parts of alkali-free short glass fiber；0.1~2 part of lubricant；0.3~1 part of antioxidant；Recycling nylon 6 is 6 waste silk of polyamide fibre particle made of granule machine, and the relative viscosity of recycling nylon 6 is 2.47.Granular recycling nylon 6, lubricant and antioxidant are uniformly mixed and are added to double screw extruder, alkali-free short glass fiber is added, the material finally squeezed out can obtain reinforced nylon 6 material after water cooling, air-dried, pelletizing.This method and process is simple, and waste material is enable to recycle, low in cost；Meanwhile it is suitable with using the modified obtained physical property of short glass fiber reinforced nylon 6 of virgin material using the physical properties of waste modified obtained short glass fiber reinforced nylon 6.
Description
Technical field
The invention belongs to composite polymer material fields, and in particular to a kind of short glass fiber increasing using the production of 6 waste silk of polyamide fibre
Strong nylon 6 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.
Nylon 6 is due to being with good wearability, chemical resistance, heat resistance, self-lubrication and property easy to process
One of five big general engineering plastics, but 6 intensity of pure nylon is poor, heat distortion temperature is low, and water absorption rate is big, and performance will receive environment
Influence generate variation by a relatively large margin, application range is by biggish limitation, therefore, in order to improve the comprehensive of nylon 6
Can, glass fibre filling enhancing can be carried out to it to be modified.Glass fiber reinforced nylon 6 material has splendid rigidity, oil resistivity, wearability
And creep resistance, there is light-weight and at low cost advantage instead of traditional metal material, is widely used in automobile inlet manifold, electricity
Sub- electric component, electric power tool shell and various machine components etc..
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of short glass fiber reinforced nylon 6 produced using 6 waste silk of polyamide fibre
Material and preparation method thereof, the short glass fiber reinforced nylon 6 good physical properties produced whiles, reduce production cost again.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: a kind of to utilize the short of 6 waste silk of polyamide fibre production
Glass fiber reinforced nylon 6 material, the raw material including following parts by weight are made: 6 32~94 parts of nylon of recycling；Alkali-free short glass fiber 5~65
Part；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, the relative viscosity of the recycling nylon 6
It is 2.47.
The present invention also provides a kind of preparation method of above-mentioned short glass fiber reinforced nylon 6 material using the production of 6 waste silk of polyamide fibre,
The following steps are included:
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 32~94 parts of the resulting recycling nylon of step 1,0.1~2 part of lubricant and antioxidant 0.3~1
10min is mixed in part, and mixed material is added in the main feed hopper of double screw extruder, adds and soak by silylation
Moisten surface-treated 5~65 parts of alkali-free short glass fiber of agent；
Step 3, each warm area temperature of double screw extruder of setting procedure 2: area's temperature is 220~240 DEG C, two area's temperature
It is 230~250 DEG C, three area's temperature are 230~250 DEG C, and four area's temperature are 230~250 DEG C, and five area's temperature are 230~250 DEG C,
Six area's temperature are 240~260 DEG C, and seven area's temperature are 230~250 DEG C, and eight area's temperature are 230~250 DEG C, and nine area's temperature are 220
~240 DEG C；
The screw slenderness ratio of the double screw extruder is 32~58；The engine speed of the double screw extruder is 300
~500r/min；
Step 4, the material squeezed out by double screw extruder obtain short glass fiber enhancing nylon by water cooling, air-dried, pelletizing
6。
The beneficial effects of the present invention are: 6 waste silk of polyamide fibre of the invention becomes particle, its phase of strict control by granule machine
To viscosity be 2.47, viscosity be 2.47 recycling nylon 6 be conducive to improve product injection molding when mobility, reduction injection time,
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 are used directly for fiberglass reinforced modification, the physical property of fiberglass reinforced modification of nylon 6 obtained and the use modified Buddhist nun of virgin material
The physical property of dragon 6 is suitable, tensile strength 131MPa, elongation at break 3.2%, bending strength 203MPa, bending die
Amount is 6070MPa, notch impact strength 14.3KJ/m2, splendid rigidity, oil resistivity, wearability and creep resistance are all had,
It can be used for making automobile inlet manifold, electronic apparatus component, electric power tool shell and various machine components etc..The present invention will give up
Object recycles, and turns waste into wealth, and process is simple, 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
Be 2.47 so that recycling nylon 6 is used directly for, fiberglass reinforced is modified, fiberglass reinforced modification of nylon 6 obtained it is physical
It can be excellent.
The present invention provides a kind of short glass fiber reinforced nylon 6 material produced using polyamide fibre waste silk, including following parts by weight
Raw material is made: 6 32~94 parts of nylon of recycling；5~65 parts of alkali-free short glass fiber；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, the relative viscosity of the recycling nylon 6
It is 2.47.
Become as can be seen from the above description, the beneficial effects of the present invention are: 6 waste silks of polyamide fibre of the invention by granule machine
Grain, its relative viscosity of strict control are 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 fiberglass reinforced and are modified, the physical property of fiberglass reinforced modification of nylon 6 obtained
Suitable with the physical property with the modified nylon 6 of virgin material, tensile strength 131MPa, elongation at break 3.2%, bending is by force
Degree is 203MPa, bending modulus 6070MPa, notch impact strength 14.3KJ/m2, all have splendid rigidity, oil resistivity,
Wearability and creep resistance can be used for making automobile inlet manifold, electronic apparatus component, electric power tool shell and various machinery
Part etc..The present invention turns waste into wealth waste reclamation, and process is simple, low in cost, has huge social economy effect
Benefit.
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, 6 waste silk of polyamide fibre is to have 6 waste silk of light polyamide fibre, 6 waste silk of semi-gloss polyamide fibre and full-dull nylon 6 waste silk
Mixture.
There are three types of types for the slice of production 6 product of polyamide fibre: bright chip, semi-gloss slice and full-dull polyester, corresponding life
Output bright yarn, half chevilled silk and the product that totally disappeared chevilled silk three types, also there are three types of types for the waste silk generated in process of production:
There are light waste silk, semi-gloss waste silk and full-dull waste silk.In recycling, without individually being returned after being separated the waste silk of three types
It receives, can be directly mixed together, be granulated by granule machine, obtaining recycling nylon 6 (has the matter of light, semi-gloss, full-dull waste silk
Amount ratio is not fixed, and can be mixed with arbitrary proportion).It is greatly improved recovery efficiency in this way, shortens recovery process, reduces recycling energy
Consumption, and the performance after the recycling modified nylon 6 obtained after being mixed with arbitrary proportion be utilized respectively three kinds be newly sliced it is modified
Performance quite (from experimental result as can be seen that the modified performance of newly slice of three types is suitable, trace Ti O in slice2
Influence to material physical property is little).Recycling can be shortened by carrying out short glass fiber reinforced nylon 6 modified material using mixing waste silk
Process reduces recycling energy consumption, improves recovery efficiency, while can keep its physical property again.
Further, the length of the alkali-free short glass fiber is 3.4mm~4.5mm, and diameter is 11 μm~13 μm, the alkali-free
Short glass fiber is surface-treated by silylation size.
Further, the lubricant is that ethylene-acrylic acid copolymer wax, calcium stearate, silicone powder and pentaerythrite are stearic
One or more of acid esters.
The preferred Clariant E wax of lubricant.
Further, the antioxidant is antioxidant 1010, antioxidant 1098, antioxidant 944, irgasfos 168 and antioxygen
One or more of agent 1790.
Further, the antioxidant is (N, the N '-bis--(3- (3,5- di-tert-butyl-hydroxy phenyl) of antioxidant 1098
Propiono) hexamethylene diamine) and irgasfos 168 (three [2,4- di-tert-butyl-phenyl] phosphite esters) according to mass ratio be 1:1 compounding system
At.
The present invention also provides a kind of preparation method of above-mentioned short glass fiber reinforced nylon 6 material using the production of 6 waste silk of polyamide fibre,
The following steps are included:
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 32~94 parts of the resulting recycling nylon of step 1,0.1~2 part of lubricant and antioxidant 0.3~1
10min is mixed in part, and mixed material is added in the main feed hopper of double screw extruder, adds and soak by silylation
Moisten surface-treated 5~65 parts of alkali-free short glass fiber of agent；
Step 3, each warm area temperature of double screw extruder of setting procedure 2: area's temperature is 220~240 DEG C, two area's temperature
It is 230~250 DEG C, three area's temperature are 230~250 DEG C, and four area's temperature are 230~250 DEG C, and five area's temperature are 230~250 DEG C,
Six area's temperature are 240~260 DEG C, and seven area's temperature are 230~250 DEG C, and eight area's temperature are 230~250 DEG C, and nine area's temperature are 220
~240 DEG C；
The screw slenderness ratio of the double screw extruder is 32~58；The engine speed of the double screw extruder is 300
~500r/min；
Step 4, the material squeezed out by double screw extruder obtain short glass fiber enhancing nylon by water cooling, air-dried, pelletizing
6。
Further, the step 3 specifically:
Each warm area temperature of the double screw extruder of setting procedure 2: area's temperature be 220 DEG C, two area's temperature be 225 DEG C, three
Area's temperature is 230 DEG C, and four area's temperature are 235 DEG C, and five area's temperature are 240 DEG C, and six area's temperature are 245 DEG C, and seven area's temperature are 250
DEG C, eight area's temperature are 240 DEG C, and nine area's temperature are 235 DEG C；
The twin-screw draw ratio of the double screw extruder is 40；The engine speed of the double screw extruder is 400r/
min。
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 and the mixing of the rear tetra- kinds of waste silks of POY, HOY, FDY, DTY for spinning production (include light, semi-gloss, full-dull three classes
Waste silk), the virgin material bright chip trade mark is JC1005, the production of Fujian Jin Jiang River science and technology；It is JA2004, Fujian that virgin material semi-gloss, which is sliced the trade mark,
The production of Jin Jiang River science and technology；The virgin material full-dull polyester trade mark is ZD3002, the production of Fujian Zhong Jin new material Co., Ltd；Alkali-free short glass fiber
Trade mark ECS 13-4.5-568H, the production of megalith group；The lubricant trade mark is LICOWAX E, and Shenzhen first causes chemical science and technology limited
Company's sale；Antioxidant 1098, irgasfos 168, the bright Chemical Co., Ltd.'s production of Nanjing Holley.The present invention utilizes 6 waste silk of polyamide fibre
Producing short glass fiber reinforced nylon 6 material uses the YSTL granule machine of the modeling Machinery Co., Ltd. of Zhangjiagang hundred million production and Nanjing outstanding sub- crowded
SHJ-63 (draw ratio 40) the double screw extruder production of Equipment Limited production out.
Embodiment 1
A kind of short glass fiber reinforced nylon 6 material produced using 6 waste silk of polyamide fibre, the raw material including following parts by weight are made:
6 33.5 parts of nylon of recycling；65 parts of alkali-free short glass fiber；1 part of lubricant；0.5 part of antioxidant；
The recycling nylon 6 is 6 waste silk of polyamide fibre particle made of granule machine, the relative viscosity of the recycling nylon 6
It is 2.47.
6 waste silk of polyamide fibre is the mixture for having 6 waste silk of light polyamide fibre, semi-gloss polyamide fibre 6 waste silk and full-dull nylon 6 waste silk.
The length of the alkali-free short glass fiber is 3.4mm~4.5mm, and diameter is 11 μm~13 μm, and the alkali-free short glass fiber passes through silylation
Size surface treatment.The lubricant is ethylene-acrylic acid copolymer wax, and the antioxidant is antioxidant 1010.
The present invention also provides a kind of preparation method of above-mentioned short glass fiber reinforced nylon 6 material using the production of 6 waste silk of polyamide fibre,
The following steps are included:
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 0.5 part of 6 33.5 parts of the resulting recycling nylon of step 1,1 part of lubricant and antioxidant addition high speed
Stirrer for mixing stirs 10min, and mixed material is added in the main feed hopper of double screw extruder, adds by silicon
Surface-treated 65 parts of alkali-free short glass fiber of alkyl size；
Step 3, each warm area temperature of double screw extruder of setting procedure 2: area's temperature is 220 DEG C, and two area's temperature are 230
DEG C, three area's temperature are 230 DEG C, and four area's temperature are 230 DEG C, and five area's temperature are 230 DEG C, and six area's temperature are 240 DEG C, and seven area's temperature are
230 DEG C, eight area's temperature are 230 DEG C, and nine area's temperature are 220 DEG C；
The screw slenderness ratio of the double screw extruder is 32；The engine speed of the double screw extruder is 400r/
min；
Step 4, the material squeezed out by double screw extruder obtain short glass fiber enhancing nylon by water cooling, air-dried, pelletizing
6。
Embodiment 2
A kind of short glass fiber reinforced nylon 6 material produced using 6 waste silk of polyamide fibre, the raw material including following parts by weight are made:
6 68.5 parts of nylon of recycling；30 parts of alkali-free short glass fiber；1 part of lubricant；0.5 part of antioxidant；
The recycling nylon 6 is 6 waste silk of polyamide fibre particle made of granule machine, the relative viscosity of the recycling nylon 6
It is 2.47.
6 waste silk of polyamide fibre is the mixture for having 6 waste silk of light polyamide fibre, semi-gloss polyamide fibre 6 waste silk and full-dull nylon 6 waste silk.
The length of the alkali-free short glass fiber is 3.4mm~4.5mm, and diameter is 11 μm~13 μm, and the alkali-free short glass fiber passes through silylation
Size surface treatment.The lubricant is calcium stearate, and the antioxidant is antioxidant 1098 and irgasfos 168 according to quality
Than being made for 1:1 compounding.
The present invention also provides a kind of preparation method of above-mentioned short glass fiber reinforced nylon 6 material using the production of 6 waste silk of polyamide fibre,
The following steps are included:
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 0.5 part of 6 68.5 parts of the resulting recycling nylon of step 1,1 part of lubricant and antioxidant addition high speed
Stirrer for mixing stirs 10min, and mixed material is added in the main feed hopper of double screw extruder, adds by silicon
Surface-treated 30 parts of alkali-free short glass fiber of alkyl size；
Step 3, each warm area temperature of double screw extruder of setting procedure 2: area's temperature is 220 DEG C, and two area's temperature are 225
DEG C, three area's temperature are 230 DEG C, and four area's temperature are 235 DEG C, and five area's temperature are 240 DEG C, and six area's temperature are 245 DEG C, and seven area's temperature are
250 DEG C, eight area's temperature are 240 DEG C, and nine area's temperature are 235 DEG C；
The screw slenderness ratio of the double screw extruder is 32~58；The engine speed of the double screw extruder is
400r/min；
Step 4, the material squeezed out by double screw extruder obtain short glass fiber enhancing nylon by water cooling, air-dried, pelletizing
6。
Embodiment 3
A kind of short glass fiber reinforced nylon 6 material produced using 6 waste silk of polyamide fibre, the raw material including following parts by weight are made:
6 93.5 parts of nylon of recycling；5 parts of alkali-free short glass fiber；1 part of lubricant；0.5 part of antioxidant；
The recycling nylon 6 is 6 waste silk of polyamide fibre particle made of granule machine, the relative viscosity of the recycling nylon 6
It is 2.47.
6 waste silk of polyamide fibre is the mixture for having 6 waste silk of light polyamide fibre, semi-gloss polyamide fibre 6 waste silk and full-dull nylon 6 waste silk.
The length of the alkali-free short glass fiber is 3.4mm~4.5mm, and diameter is 11 μm~13 μm, and the alkali-free short glass fiber passes through silylation
Size surface treatment.The lubricant is silicone powder, and the antioxidant is antioxidant 1790.
The present invention also provides a kind of preparation method of above-mentioned short glass fiber reinforced nylon 6 material using the production of 6 waste silk of polyamide fibre,
The following steps are included:
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 0.5 part of 6 93.5 parts of the resulting recycling nylon of step 1,1 part of lubricant and antioxidant addition high speed
Stirrer for mixing stirs 10min, and mixed material is added in the main feed hopper of double screw extruder, adds by silicon
Surface-treated 5 parts of alkali-free short glass fiber of alkyl size；
Step 3, each warm area temperature of double screw extruder of setting procedure 2: area's temperature is 250 DEG C, and two area's temperature are 250
DEG C, three area's temperature are 250 DEG C, and four area's temperature are 250 DEG C, and five area's temperature are 250 DEG C, and six area's temperature are 260 DEG C, and seven area's temperature are
250 DEG C, eight area's temperature are 250 DEG C, and nine area's temperature are 240 DEG C；
The screw slenderness ratio of the double screw extruder is 58；The engine speed of the double screw extruder is 500r/
min；
Step 4, the material squeezed out by double screw extruder obtain short glass fiber enhancing nylon by water cooling, air-dried, pelletizing
6。
Embodiment 4
A kind of short glass fiber reinforced nylon 6 material produced using 6 waste silk of polyamide fibre, the raw material including following parts by weight are made:
6 94 parts of nylon of recycling；21 parts of alkali-free short glass fiber；2 parts of lubricant；1 part of antioxidant；
The recycling nylon 6 is 6 waste silk of polyamide fibre particle made of granule machine, the relative viscosity of the recycling nylon 6
It is 2.47.
6 waste silk of polyamide fibre is the mixture for having 6 waste silk of light polyamide fibre, semi-gloss polyamide fibre 6 waste silk and full-dull nylon 6 waste silk.
The length of the alkali-free short glass fiber is 3.4mm~4.5mm, and diameter is 11 μm~13 μm, and the alkali-free short glass fiber passes through silylation
Size surface treatment.The lubricant is silicone powder, and the antioxidant is antioxidant 1790.
The present invention also provides a kind of preparation method of above-mentioned short glass fiber reinforced nylon 6 material using the production of 6 waste silk of polyamide fibre,
The following steps are included:
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 1 part of 4 parts of the resulting recycling nylon 69 of step 1,2 parts of lubricant and antioxidant addition high-speed mixer
Middle mixing 10min, mixed material are added in the main feed hopper of double screw extruder, add and soak by silylation
Moisten surface-treated 21 parts of alkali-free short glass fiber of agent；
Step 3, each warm area temperature of double screw extruder of setting procedure 2: area's temperature is 250 DEG C, and two area's temperature are 250
DEG C, three area's temperature are 250 DEG C, and four area's temperature are 250 DEG C, and five area's temperature are 250 DEG C, and six area's temperature are 260 DEG C, and seven area's temperature are
250 DEG C, eight area's temperature are 250 DEG C, and nine area's temperature are 240 DEG C；
The screw slenderness ratio of the double screw extruder is 58；The engine speed of the double screw extruder is 500r/
min；
Step 4, the material squeezed out by double screw extruder obtain short glass fiber enhancing nylon by water cooling, air-dried, pelletizing
6。
Embodiment 5
A kind of short glass fiber reinforced nylon 6 material produced using 6 waste silk of polyamide fibre, the raw material including following parts by weight are made:
6 48 parts of nylon of recycling；65 parts of alkali-free short glass fiber；0.1 part of lubricant；0.3 part of antioxidant；
The recycling nylon 6 is 6 waste silk of polyamide fibre particle made of granule machine, the relative viscosity of the recycling nylon 6
It is 2.47.
6 waste silk of polyamide fibre is the mixture for having 6 waste silk of light polyamide fibre, semi-gloss polyamide fibre 6 waste silk and full-dull nylon 6 waste silk.
The length of the alkali-free short glass fiber is 3.4mm~4.5mm, and diameter is 11 μm~13 μm, and the alkali-free short glass fiber passes through silylation
Size surface treatment.The lubricant is calcium stearate, and the antioxidant is antioxidant 1098 and irgasfos 168 according to quality
Than being made for 1:1 compounding.
The present invention also provides a kind of preparation method of above-mentioned short glass fiber reinforced nylon 6 material using the production of 6 waste silk of polyamide fibre,
The following steps are included:
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 0.3 part of 648 parts of the resulting recycling nylon of step 1,0.1 part of lubricant and antioxidant addition high-speed stirring
It mixes and 10min is mixed in machine, mixed material is added in the main feed hopper of double screw extruder, adds by silane
Surface-treated 65 parts of alkali-free short glass fiber of base size；
Step 3, each warm area temperature of double screw extruder of setting procedure 2: area's temperature is 220 DEG C, and two area's temperature are 225
DEG C, three area's temperature are 230 DEG C, and four area's temperature are 235 DEG C, and five area's temperature are 240 DEG C, and six area's temperature are 245 DEG C, and seven area's temperature are
250 DEG C, eight area's temperature are 240 DEG C, and nine area's temperature are 235 DEG C；
The screw slenderness ratio of the double screw extruder is 32~58；The engine speed of the double screw extruder is
400r/min；
Step 4, the material squeezed out by double screw extruder obtain short glass fiber enhancing nylon by water cooling, air-dried, pelletizing
6。
Comparative example 1
68.5 parts of virgin material there is into light PA6 slice, 1 part of lubricant and 0.5 part of antioxidant are added in high-speed mixer
10min is stirred, the lubricant is calcium stearate, and the antioxidant is that antioxidant 1098 and irgasfos 168 are according to mass ratio
1:1 compounding is made, and said mixture is added in the main feed hopper of double screw extruder, then 30 parts of surfaces are treated
Alkali-free short glass fiber is added in the special side spout of double screw extruder, and processing temperature setting is as follows: 220 DEG C of an area, two areas 225
DEG C, three 230 DEG C of areas, four 235 DEG C of areas, five 240 DEG C of areas, six 245 DEG C of areas, seven 250 DEG C of areas, eight 240 DEG C of areas, nine 235 DEG C of areas；Setting
Engine speed is 400r/min, and the material of extrusion obtains short glass fiber reinforced nylon 6 by water cooling, air-dried, pelletizing.
Comparative example 2
68.5 parts of virgin material semi-gloss PA6 is sliced, 1 part of lubricant and 0.5 part of antioxidant are added in high-speed mixer
10min is stirred, the lubricant is calcium stearate, and the antioxidant is that antioxidant 1098 and irgasfos 168 are according to mass ratio
1:1 compounding is made, and said mixture is added in the main feed hopper of double screw extruder, then 30 parts of surfaces are treated
Alkali-free short glass fiber is added in the special side spout of double screw extruder, and processing temperature setting is as follows: 220 DEG C of an area, two areas 225
DEG C, three 230 DEG C of areas, four 235 DEG C of areas, five 240 DEG C of areas, six 245 DEG C of areas, seven 250 DEG C of areas, eight 240 DEG C of areas, nine 235 DEG C of areas；Setting
Engine speed is 400r/min, and the material of extrusion obtains short glass fiber reinforced nylon 6 by water cooling, air-dried, pelletizing.
Comparative example 3
68.5 parts of virgin material full-dull PA6 is sliced, high-speed mixer is added in 1 part of lubricant and 0.5 part of antioxidant
Middle stirring 10min, the lubricant are calcium stearate, and the antioxidant is antioxidant 1098 and irgasfos 168 according to mass ratio
It is made, said mixture is added in the main feed hopper of double screw extruder for 1:1 compounding, then by 30 parts of surfaces by processing
Alkali-free short glass fiber be added the special side spout of double screw extruder in, processing temperature setting it is as follows: 220 DEG C of an area, 2nd area
225 DEG C, three 230 DEG C of areas, four 235 DEG C of areas, five 240 DEG C of areas, six 245 DEG C of areas, seven 250 DEG C of areas, eight 240 DEG C of areas, nine 235 DEG C of areas；
Engine speed is set as 400r/min, the material of extrusion obtains short glass fiber reinforced nylon 6 by water cooling, air-dried, pelletizing.
Mechanics Performance Testing: the short glass fiber reinforced nylon 6 pellet that embodiment and comparative example prepares is put into convection oven
In, it is 4 hours dry at 90 DEG C, standard batten, mold temperature 80 is then made in dried pellet in injection (mo(u)lding) machine
℃。
Tensile property test is carried out by ISO 527, and specimen size is 150 × 10 × 4mm, tensile speed 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, and notch depth is three points of sample thickness
One of.
The comprehensive mechanical property of material is by testing resulting tensile strength, elongation at break, bending strength, bending modulus
It is evaluated with the numerical value of notch impact strength.The mechanical property of embodiment 2 and comparative example 1~3 is compared as follows table:
It can be seen that from the embodiment 2 and comparative example 1, comparative example 2, the mechanical property result of comparative example 3 of upper table using brocade
Modified obtained tensile strength, bending strength, the notch impact strength of glass fiber reinforced nylon 6 of 6 waste silk reclaimed materials of synthetic fibre etc. is physical
Can be excellent, as the modified glass fiber reinforced nylon 6 of virgin material, reach automobile inlet manifold, electronic apparatus component, electronic
The requirement of the products such as tool outer casing and various machine components.But not only have using 6 waste silk reclaimed materials of polyamide fibre to be modified
Conducive to environmental protection, resource is made full use of, and low in cost, and economic results in society are significant.
In conclusion the short glass fiber reinforced nylon 6 material and its preparation side provided by the invention using the production of 6 waste silk of polyamide fibre
6 waste silk of polyamide fibre is become particle by granule machine by method, its relative viscosity of strict control is 2.47, the recycling Buddhist nun that viscosity is 2.47
Mobility when dragon 6 is conducive to improve product injection molding reduces injection time, product easy mold release, and can improve product crystalline rate
Deng, it is widely used in the fields such as auto industry, electronics, machinery, recycles nylon 6 and be used directly for fiberglass reinforced modification, it is obtained
Fiberglass reinforced modification of nylon 6 physical property with the physical property of the modified nylon 6 of virgin material it is suitable, tensile strength is
131MPa, elongation at break 3.2%, bending strength 203MPa, bending modulus 6070MPa, notch impact strength are
14.3KJ/m2, splendid rigidity, oil resistivity, wearability and creep resistance are all had, can be used for making automobile inlet manifold, electricity
Sub- electric component, electric power tool shell and various machine components etc..The present invention turns waste into wealth waste reclamation, process
Simply, energy consumption is very low, low in cost, has 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 (8)
1. a kind of short glass fiber reinforced nylon 6 material produced using 6 waste silk of polyamide fibre, which is characterized in that including following parts by weight
Raw material is made: 6 32~94 parts of nylon of recycling；5~65 parts of alkali-free short glass fiber；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, and the relative viscosity of the recycling nylon 6 is
2.47。
2. the short glass fiber reinforced nylon 6 material according to claim 1 produced using 6 waste silk of polyamide fibre, which is characterized in that institute
Stating 6 waste silk of polyamide fibre is the mixture for having 6 waste silk of light polyamide fibre, semi-gloss polyamide fibre 6 waste silk and full-dull nylon 6 waste silk.
3. the short glass fiber reinforced nylon 6 material according to claim 1 produced using 6 waste silk of polyamide fibre, which is characterized in that institute
The length for stating alkali-free short glass fiber is 3.4mm~4.5mm, and diameter is 11 μm~13 μm, and the alkali-free short glass fiber is soaked by silylation
Moisten agent surface treatment.
4. the short glass fiber reinforced nylon 6 material according to claim 1 produced using 6 waste silk of polyamide fibre, which is characterized in that institute
Stating lubricant is one or more of ethylene-acrylic acid copolymer wax, calcium stearate, silicone powder and pentaerythritol stearate.
5. the short glass fiber reinforced nylon 6 material according to claim 1 produced using 6 waste silk of polyamide fibre, which is characterized in that institute
Stating antioxidant is one of antioxidant 1010, antioxidant 1098, antioxidant 944, irgasfos 168 and antioxidant 1790 or several
Kind.
6. the short glass fiber reinforced nylon 6 material according to claim 1 produced using 6 waste silk of polyamide fibre, which is characterized in that institute
It is that 1:1 compounding is made that state antioxidant, which be antioxidant 1098 and irgasfos 168 according to mass ratio,.
7. a kind of short glass fiber reinforced nylon 6 material using the production of 6 waste silk of polyamide fibre any according to claim 1~6
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, to weigh 6 32~94 parts of the resulting recycling nylon of step 1,0.1~2 part of lubricant and 0.3~1 part of antioxidant mixed
Stirring 10min is closed, mixed material is added in the main feed hopper of double screw extruder, adds by silylation size
5~65 parts of surface-treated alkali-free short glass fiber；
Step 3, each warm area temperature of double screw extruder of setting procedure 2: area's temperature is 220~240 DEG C, and two area's temperature are
230~250 DEG C, three area's temperature be 230~250 DEG C, four area's temperature be 230~250 DEG C, five area's temperature be 230~250 DEG C, six
Area's temperature be 240~260 DEG C, seven area's temperature be 230~250 DEG C, eight area's temperature be 230~250 DEG C, nine area's temperature be 220~
240℃；
The screw slenderness ratio of the double screw extruder is 32~58；The engine speed of the double screw extruder be 300~
500r/min；
Step 4, the material squeezed out by double screw extruder obtain short glass fiber reinforced nylon 6 by water cooling, air-dried, pelletizing.
8. the preparation method of the short glass fiber reinforced nylon 6 material according to claim 7 using the production of 6 waste silk of polyamide fibre,
It is characterized in that, the step 3 specifically:
Each warm area temperature of the double screw extruder of setting procedure 2: area's temperature is 220 DEG C, and two area's temperature are 225 DEG C, three area's temperature
Degree be 230 DEG C, four area's temperature be 235 DEG C, five area's temperature be 240 DEG C, six area's temperature be 245 DEG C, seven area's temperature be 250 DEG C, eight
Area's temperature is 240 DEG C, and nine area's temperature are 235 DEG C；
The twin-screw draw ratio of the double screw extruder is 40；The engine speed of the double screw extruder is 400r/min.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114703557A (en) * | 2022-02-16 | 2022-07-05 | 长乐力恒锦纶科技有限公司 | Production process of semi-dull black monofilament of nylon-6 regenerated fiber FDY |
| CN115768831A (en) * | 2020-07-08 | 2023-03-07 | 阿科玛法国公司 | Single-layer structure based on recycled polyamide |
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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 |