CN108570226A - A kind of low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows and preparation method thereof - Google Patents
A kind of low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows and preparation method thereof Download PDFInfo
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- CN108570226A CN108570226A CN201710827244.0A CN201710827244A CN108570226A CN 108570226 A CN108570226 A CN 108570226A CN 201710827244 A CN201710827244 A CN 201710827244A CN 108570226 A CN108570226 A CN 108570226A
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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Abstract
The invention discloses a kind of low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellowss and preparation method thereof, and raw material includes the component of following parts by weight：50 80 parts of nylon resin, 10 20 parts of toughener, 2 10 parts of reinforcing agent, 5 10 parts of fire retardant, 0.1 1 parts of antioxidant, 0.2 2 parts of light stabilizer, 13 parts of fire retarding synergist, 13 parts of processing aid.The nylon corrugated tube of the present invention has excellent shock resistance, bending resistance, flame retardant property and resistance to low temperature, cracking resistance bend resistance, good combination property, the requirement for effectively meeting China's extremely frigid zones and other low temperature resistant aspects of extreme environment special engineering plastics, can be widely applied to the fields such as automobile, electronics, machinery, rail traffic, sports apparatus.
Description
Technical field
The invention belongs to tubing fields, more particularly, to a kind of low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows and its system
Preparation Method.
Background technology
Plastic film capicitor, including polyethylene, polypropylene and nylon corrugated tube are a kind of using wide engineering plastics pipe
Material, the cabling for being widely used in the fields such as automotive wire bundle, electronics, machine tool mechanical and electric box control cabinet harness connect, product beauty,
It is light, durable, instead of original PVC and protective metal shell product, become wire harness sheath product widely used in the market.
Wire harness sheath product needs to meet the requirements such as higher shock resistance, wear-resisting, and as China carries forward vigorously high-end dress
Standby manufacturing development, each manufacturing industry are also higher and higher for the performance requirement for the nylon corrugated tube that equipment is used.But current state
The nylon corrugated tube comprehensive performance of interior production is poor, is influenced by environment and temperature, and performance, which will appear, significantly to be changed, at me
Using easily cracking under state's north extremely cold area or other particular surroundings, the service life is very short.
Currently, domestic patent CN103554664A, CN104151704A and CN106497032A etc. disclose nylon wave
Line tubing preparation method, but preceding two patents are added to more polypropylene, thermal deformation effect and high temperature resistance and anti-flammability
It can be preferable but not low temperature resistant.
CN106497032A provides a kind of low temperature resistant nylon corrugated tube, and ethylene propylene diene rubber is grafted using maleic anhydride
Or maleic anhydride is grafted POE as cold-resistant agent, is matched using dual fire retardant and dual heat stabilizer.Although lower temperature resistance
Certain raising can be obtained, but -40 DEG C of low temperature impact strength is only in 10-15KJ/m2, be still not suitable for making for extremely frigid zones
With.
The nylon corrugated tube of other extreme environments such as extremely frigid zones and south poles used in China, for product
Balance quality is more demanding, and existing product is in ultralow temperature or that there are impact resistances is excessively poor, easy to crack, service life is short
The problem of, or there are the unmatched problems of the performances such as strength and toughness and anti-flammability, can not adapt to China's extremely frigid zones to Buddhist nun
The particular/special requirement of imperial bellows.
Invention content
The purpose of the present invention is to solve under the cold conditions of the northern area of China, nylon corrugated tube impact resistance is poor, uses the longevity
Short, toughness and the unmatched problem of anti-flammability are ordered, a kind of tensile property is provided and impact property is good, flame retardant property is good, meets
The low temperature resistant cracking resistance fire-retardant nylon bellows of China's extremely frigid zones and the low temperature resistant aspect requirement of other extreme environments.
It is a further object of the present invention to provide the preparation method of above-mentioned low temperature resistant cracking resistance fire-retardant nylon bellows, simple side
Just, production efficiency is high.
In order to solve the above technical problems, present invention employs following technical solutions：
A kind of low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows, raw material include the component of following parts by weight：Nylon tree
50-80 parts of fat, 10-20 parts of toughener, 2-10 parts of reinforcing agent, 5-10 parts of fire retardant, 0.1-1 parts of antioxidant, light stabilizer
0.2-2 parts, 1-3 parts of fire retarding synergist, 1-3 parts of processing aid；The reinforcing agent is the vistanex enhanced with fibrous material；
The toughener is the polyolefin elastic resin of maleic acid grafting.
The low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows, wherein the fibrous material be alkali-free glass fibre,
The mixture of one or more of basalt fibre or carbon fiber, the preferred weight content of fibrous material are that vistanex is total
The 40%-60% of weight.
The low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows, wherein the vistanex be polyethylene (PE),
The mixture of one or more of polypropylene (PP), retardant POE compound material.
The low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows, wherein the polyolefin elastic resin be polyethylene,
The mixture of one or more of polypropylene and polyethylen-octene, preferably PE, PP or POE.
The low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows, wherein the fire retardant is nitrogenated flame retardant, phosphorus system
One or more of fire retardant, expansion type flame retardant mixture, preferably MCA.
The low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows, wherein the fire retarding synergist is polyhydroxy chemical combination
Object, preferably pentaerythrite.
The low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows, wherein the antioxidant is phenols, monothioester
One or more of class, metallic ion passivation dosage form antioxidant mixture.As antioxidant 1010,1076,1098, AO-80,
720,168, BHT, Finox 300 or Finox 1024 etc., preferred anti-oxidant 1010.
The low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows, wherein the light stabilizer is carbon black, chlorination
One or more of zinc, titanium dioxide mixture, preferably carbon black.
The low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows, wherein the processing aid is EBS lubricants, oil
Sour amide or erucyl amide, preferably EBS lubricants.
The low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows, wherein the nylon resin is that relative viscosity is
The nylon 6 of 2.0-3.4, the mixture of nylon66 fiber or the two.
The low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows, wherein the parts by weight of the toughener are 15-20
Part, preferably 15 parts；The parts by weight of the reinforcing agent are 5-10 parts, preferably 8 parts.
The low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows, wherein the raw material further includes colorant or pigment,
Preferred colourant weights number is 1-3 parts, and the parts by weight of pigment are 1-2 parts.
The invention also discloses the preparation methods of above-mentioned low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows comprising as follows
Step：
(1) each component is weighed up by above-mentioned weight percent, is sent into the mixing of high-speed mixer high speed；
(2) extruding pipe material in single screw extrusion machine is added in material after mixing；
The processing technology of single screw extrusion machine is：Feed screw rotating speed 40-60r/min, driving screw rotating speed 400-600r/
min；One to three area's temperature is：220~270 DEG C, four to six area's temperature be：230~280 DEG C, seven to nine area's temperature be：220~
280℃。
Preferably, the processing technology of single screw extrusion machine is：One to three area's temperature is：220~240 DEG C, four to six area's temperature
Degree is：230~250 DEG C, seven to nine area's temperature be：220~250 DEG C, 500 revs/min of driving screw rotating speed, feed screw rotating speed 50
Rev/min.
As a result of above technical scheme, the present invention has following technique effect：
1, low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows of the invention, it is a small amount of with glass by being added in raw materials used
The fibre-reinforced vistanex of glass as reinforcing agent, suitable maleic anhydride be grafted polyolefin elastic resin as toughening
Agent, the two compatibility is splendid, and toughener has preferable covering property and peptizaiton to reinforcing agent；It cooperates with and makees between each auxiliary agent
With, be obtained between toughener interface, reinforcing agent interface, fire retardant interface, fire retarding synergist interface and nylon interface preferably
Compatibility, component is uniformly dispersed, the active balance tensile property of product, shock resistance, resistance to low temperature, thermal stability
Energy and flame retardant property, synergistic excellent performance are obtained with preferable flame retardant effect, stronger tensile resistance, preferable cracking resistance
The modification of nylon bellows of buckle resistance energy and stronger low-temperature impact resistance.Its flame retardant property is up to V0 grades, tensile strength
More than 80MPa, room temperature simply supported beam notch impact strength is up to 50KJ/m2, -55 DEG C of low temperature is up to 20KJ/m2, product comprehensive performance
It is excellent.
2, low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows of the invention, is made in raw materials used by polyol
Coordinate fire retardant to be used together for fire retarding synergist, effectively reduces under the nylon mechanical property because of caused by addition fire retardant
Drop also effectively prevents addition maleic anhydride stem grafting polyolefin toughener and improves other property caused by shock resistance and bending resistance
The drastically decline of energy.
3, low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows of the invention, raw material composition is reasonable, and preparation method is efficient, production
Product are had excellent performance.It can be widely applied to the fields such as high ferro, automobile, electronics, machinery, rail traffic, sports apparatus.The wave prepared
Line pipe has following several big significant advantages：
(1) low-temperature impact-resistant：At -55 DEG C, the falling weight impact test of 200mm high, 2Kg weight is not crushed；
(2) cracking resistance, bend resistance：Under the conditions of 105 DEG C and -55 DEG C, 90 ° of progress cripping test 5000 times is not opened respectively
It splits；
(3) halogen-free flameproof：Using the environmental protection fire retarding agent being halogen-free, insulation resistance reaches 100M Ω.
4, the preparation method of low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows of the invention, it is simple for process, it is easy to operate, it is raw
It produces efficient.
Specific implementation mode
With reference to specific embodiment, the present invention is described in detail, and following embodiment is only for convenience of people in the art
Member understands technical solution of the present invention, realizes or uses the present invention done explanation, does not limit protection scope of the present invention with this.
Such as not specified in the present invention, used raw material and equipment etc. are commercially available or commonly used in the art.
Method in embodiment is unless otherwise specified the conventional method of this field, the making and survey of test bars
Method for testing is all made of 20041 series standards of GB/T and is detected, such as GB/T 20041.23-2009, GB/T 20041.1-2005
Deng.
Signified number is parts by weight in following embodiment.
In following embodiment, processing aid uses EBS lubricating oil, oleamide or erucyl amide.
In following embodiment, single screw extrusion machine process conditions are：Screw speed about 50~600r/min；One to three area's temperature
Degree is：220~270 DEG C, four to six area's temperature be：230~280 DEG C, seven to nine area's temperature be：220~280 DEG C.
Specific embodiment 1：
Comparative example 1.1：
71 parts of nylon 6 (newly beautiful can reach M2500), 15 parts of PE-g-MAH (modeling Thailand ST-01), (Sichuan refines 9 parts of MCA
Work), 1 part of antioxidant (1010), 1 part of light stabilizer (carbon black) and 1 part of processing aid (EBS lubricating oil), 1.5 parts of fire retarding synergists
(pentaerythrite) is put into extruder hopper, one to three area's temperature is after mixing 10min in high-speed mixer：220~240
DEG C, four to six area's temperature be：230~250 DEG C, seven to nine area's temperature be：220~250 DEG C, 500 revs/min of driving screw rotating speed,
It is reacted under the conditions of 50 revs/min of feed screw rotating speed, extrudate obtains nylon corrugated tube by traction, cooling.
Comparative example 1.2
78 parts of nylon 6 (newly beautiful can reach M2500), 8 parts of HDPE-GF60 (HIFILL), 9 parts of MCA (Sichuan fine chemistry industry), 1
Part antioxidant (1010), 1 part of light stabilizer (carbon black) and 1 part of processing aid (EBS lubricating oil), 1.5 parts of fire retarding synergist (seasons penta
Tetrol), after mixing 10min in high-speed mixer, it is put into extruder hopper, one to three area's temperature is：220~240 DEG C, four
It is to six area's temperature：230~250 DEG C, seven to nine area's temperature be：220~250 DEG C, 500 revs/min of driving screw rotating speed, feeding spiral shell
It is reacted under the conditions of 50 revs/min of bar rotating speed, extrudate obtains nylon corrugated tube by traction, cooling.
Comparative example 1.3：
71 parts of nylon 6 (newly beautiful can reach M2500), 15 parts of PP-g-MAH (good easy appearance CMG9801), (Sichuan is fine by 9 parts of MCA
Chemical industry), 1 part of antioxidant (1010), 1 part of light stabilizer (carbon black) and 1 part of processing aid (oleamide), 1.5 parts of fire-retardant synergistics
Agent (pentaerythrite) is put into extruder hopper, one to three area's temperature is after mixing 10min in high-speed mixer：220~
240 DEG C, four to six area's temperature be：230~250 DEG C, seven to nine area's temperature be：220~250 DEG C, 500 revs/min of driving screw rotating speed
Clock is reacted under the conditions of 50 revs/min of feed screw rotating speed, and extrudate obtains nylon corrugated tube by traction, cooling.
Comparative example 1.4：
78 parts of nylon 6 (newly beautiful can reach M2500), 8 parts of PP-GF60 (Celstran 04CN15), (Sichuan is fine by 9 parts of MCA
Chemical industry), 1 part of antioxidant (1010), 1 part of light stabilizer (carbon black) and 1 part of processing aid (oleamide), 1.5 parts of fire-retardant synergistics
Agent (pentaerythrite) is put into extruder hopper, one to three area's temperature is after mixing 10min in high-speed mixer：220~
240 DEG C, four to six area's temperature be：230~250 DEG C, seven to nine area's temperature be：220~250 DEG C, 500 revs/min of driving screw rotating speed
Clock is reacted under the conditions of 50 revs/min of feed screw rotating speed, and extrudate obtains nylon corrugated tube by traction, cooling.
Embodiment 2.1：
63 parts of nylon 6 (newly beautiful can reach M2500), 15 parts of PE-g-MAH (modeling Thailand ST-01), 8 parts of HDPE-GF60
(HIFILL), 9 parts of MCA (Sichuan fine chemistry industry), 1 part of antioxidant (1010), 1 part of light stabilizer (carbon black) and 1 part of processing aid
(EBS lubricating oil), 1.5 parts of fire retarding synergists (pentaerythrite) are put into extruder material after mixing 10min in high-speed mixer
In bucket, one to three area's temperature is：220~240 DEG C, four to six area's temperature be：230~250 DEG C, seven to nine area's temperature be：220~
250 DEG C, 500 revs/min of driving screw rotating speed is reacted under the conditions of 50 revs/min of feed screw rotating speed, and extrudate is by leading
Draw, cool down, obtains nylon corrugated tube.
Embodiment 2.2：
63 parts of nylon 6 (newly beautiful can reach M2500), 15 parts of PP-g-MAH (good easy appearance CMG9801), 8 parts of PP-GF60
(Celstran 04CN15), 9 parts of MCA (Sichuan fine chemistry industry), 1 part of antioxidant (1010), 1 part of light stabilizer (carbon black) and 1 part
Processing aid (EBS lubricating oil), 1.5 parts of fire retarding synergists (pentaerythrite) are put into after mixing 10min in high-speed mixer
In extruder hopper, one to three area's temperature is：220~240 DEG C, four to six area's temperature be：230~250 DEG C, seven to nine area's temperature
For：220~250 DEG C, 500 revs/min of driving screw rotating speed is reacted under the conditions of 50 revs/min of feed screw rotating speed, extrudate
By drawing, cooling down, nylon corrugated tube is obtained.
Embodiment 2.3：
63 parts of nylon66 fibers (refreshing horse EPR27), 15 parts of PE-g-MAH (modeling Thailand ST-01), 8 parts of HDPE-GF60 (HIFILL), 9
Part MCA (Sichuan fine chemistry industry), 1 part of antioxidant (1010), 1 part of light stabilizer (carbon black) and 1 part of processing aid (oleamide),
1.5 parts of fire retarding synergists (pentaerythrite) are put into extruder hopper, one to three area after mixing 10min in high-speed mixer
Temperature is：220~240 DEG C, four to six area's temperature be：230~250 DEG C, seven to nine area's temperature be：220~250 DEG C, driving screw
500 revs/min of rotating speed is reacted under the conditions of 50 revs/min of feed screw rotating speed, and extrudate obtains Buddhist nun by traction, cooling
Imperial bellows.
Embodiment 2.4：
63 parts of nylon66 fibers (refreshing horse EPR27), 15 parts of PP-g-MAH (good easy appearance CMG9801), 8 parts of PP-GF60 (Celstran
04CN15), 9 parts of MCA (Sichuan fine chemistry industry), 1 part of antioxidant (1010), 1 part of light stabilizer (carbon black) and 1 part of processing aid
(erucyl amide), 1.5 parts of fire retarding synergists (pentaerythrite) are put into extruder hopper after mixing 10min in high-speed mixer
In, one to three area's temperature is：220~240 DEG C, four to six area's temperature be：230~250 DEG C, seven to nine area's temperature be：220~
250 DEG C, 500 revs/min of driving screw rotating speed is reacted under the conditions of 50 revs/min of feed screw rotating speed, and extrudate is by leading
Draw, cool down, obtains nylon corrugated tube.
1 nylon corrugated tube material properties test data of table
As seen from the above table, the tensile strength of the bellows prepared with raw material of the present invention is higher, room temperature and ultralow temperature notch
Impact strength excellent performance, good flame retardation effect.Product excellent combination property.
2 nylon corrugated tube performance test data of table
As can be seen from the above table, for nylon corrugated tube of the invention under 200N loads, caliber change rate is less than 25%；-55
Under the conditions of DEG C, can bear 2Kg/200mm drop impact and 5000 bendings and without damage；It can be born under the conditions of 105 DEG C
5000 times bending and without damage；Insulation resistance is more than 100M Ω, and combustibility reaches V0 grades.The excellent combination property of product.
Above is only an example of the present application, it is not intended to limit this application.For those skilled in the art
For, the application can have various modifications and variations.It is all within spirit herein and principle made by any modification, equivalent
Replace, improve etc., it should be included within the scope of claims hereof.
Claims (10)
1. a kind of low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows, which is characterized in that its raw material includes the group of following parts by weight
Point：
50-80 parts of nylon resin, 10-20 parts of toughener, 2-10 parts of reinforcing agent, 5-10 parts of fire retardant, 0.1-1 parts of antioxidant,
0.2-2 parts of light stabilizer, 1-3 parts of fire retarding synergist, 1-3 parts of processing aid；
The reinforcing agent is the vistanex enhanced with fibrous material；The toughener is the polyolefin elastic of maleic acid grafting
Resin.
2. low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows according to claim 1, which is characterized in that
The fibrous material is the mixture of one or more of alkali-free glass fibre, basalt fibre or carbon fiber, fiber
Material preferred weight content is the 40%-60% of vistanex total weight.
3. low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows according to claim 1, which is characterized in that
The vistanex is the mixture of one or more of polyethylene, polypropylene, retardant POE compound material.
4. low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows according to claim 1, is characterized in that,
The polyolefin elastic resin is the mixture of one or more of polyethylene, polypropylene and polyethylen-octene,
It is preferred that PE, PP or POE；Or the fire retardant is one or more of nitrogenated flame retardant, phosphorus flame retardant, expansion type flame retardant
Mixture, preferably MCA；Or the fire retarding synergist is polyol, preferably pentaerythrite.
5. low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows according to claim 1, which is characterized in that
The antioxidant is one or more of phenols, thioesters, metallic ion passivation dosage form antioxidant mixture, excellent
Select antioxidant 1010；Or the light stabilizer is one or more of carbon black, zinc chloride, titanium dioxide mixture, it is excellent
Select carbon black；Or the processing aid is EBS lubricants, oleamide or erucyl amide, preferably EBS lubricants.
6. low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows according to claim 1, which is characterized in that
The nylon resin is the mixture that relative viscosity is the nylon 6 of 2.0-3.4, nylon66 fiber or the two.
7. low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows according to claim 1, which is characterized in that
The parts by weight of the toughener are 15-20 parts, preferably 15 parts；The weight percentage of the reinforcing agent is 5-10 parts,
It is preferred that 8 parts.
8. according to any low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows in claim 1-7, which is characterized in that
The raw material further includes colorant or pigment, and preferred colourant weights number is 1-3 parts, and the parts by weight of pigment are 1-
2 parts.
9. the preparation side of any low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows in a kind of 1-9 according to claim
Method, which is characterized in that include the following steps：
(1) each component is weighed up by above-mentioned weight percent, is sent into the mixing of high-speed mixer high speed；
(2) extruding pipe material in extruder is added in material after mixing；
The processing technology of extruder is：Feed screw rotating speed 40-60r/min, driving screw rotating speed 400-600r/min；One to three area
Temperature is：220~270 DEG C, four to six area's temperature be：230~280 DEG C, seven to nine area's temperature be：220~280 DEG C.
10. the preparation method of low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows according to claim 9, feature exist
In,
The processing technology of extruder is：One to three area's temperature is：220~240 DEG C, four to six area's temperature be：230~250 DEG C, seven
It is to nine area's temperature：220~250 DEG C, 500 revs/min of driving screw rotating speed, 50 revs/min of feed screw rotating speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710827244.0A CN108570226A (en) | 2017-09-14 | 2017-09-14 | A kind of low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710827244.0A CN108570226A (en) | 2017-09-14 | 2017-09-14 | A kind of low temperature resistant dehiscence-resistant halogen-free fire-retardant nylon bellows and preparation method thereof |
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| CN108570226A true CN108570226A (en) | 2018-09-25 |
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| CN110305471A (en) * | 2019-07-11 | 2019-10-08 | 常州威材新材料科技有限公司 | A kind of black nylon composite materials of scratch-resistant piano and preparation method thereof |
| CN111500059A (en) * | 2020-05-21 | 2020-08-07 | 新乡市新蒲机械有限责任公司 | Flame-retardant reinforced nylon composite material and preparation method thereof |
| 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 |
| CN115339237A (en) * | 2021-11-18 | 2022-11-15 | 杭州秉信环保包装有限公司 | Seal machine oil pipe |
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| CN110305471A (en) * | 2019-07-11 | 2019-10-08 | 常州威材新材料科技有限公司 | A kind of black nylon composite materials of scratch-resistant piano and preparation method thereof |
| CN111500059A (en) * | 2020-05-21 | 2020-08-07 | 新乡市新蒲机械有限责任公司 | Flame-retardant reinforced nylon composite material and preparation method thereof |
| 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 |
| CN115339237A (en) * | 2021-11-18 | 2022-11-15 | 杭州秉信环保包装有限公司 | Seal machine oil pipe |
| CN115339237B (en) * | 2021-11-18 | 2023-12-22 | 杭州秉信环保包装有限公司 | Printer oil pipe |
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