CN110092955A - Halogen-free flameproof nitrile rubber/nylon thermoplastic's elastomer and preparation method thereof - Google Patents
Halogen-free flameproof nitrile rubber/nylon thermoplastic's elastomer and preparation method thereof Download PDFInfo
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- CN110092955A CN110092955A CN201810082665.XA CN201810082665A CN110092955A CN 110092955 A CN110092955 A CN 110092955A CN 201810082665 A CN201810082665 A CN 201810082665A CN 110092955 A CN110092955 A CN 110092955A
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
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- C—CHEMISTRY; METALLURGY
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
- C08L2207/04—Thermoplastic elastomer
Abstract
The present invention relates to thermoplastic elastomer (TPE) fields, disclose a kind of halogen-free flameproof nitrile rubber/nylon thermoplastic's elastomer and preparation method thereof, contain nitrile rubber in the thermoplastic elastomer (TPE), nylon, fire retardant, vulcanizing agent, anti-aging agent, antioxidant and auxiliary agent, the vulcanizing agent is organic peroxide, and the organic peroxide is selected from cumyl peroxide, bis- (tert-butylperoxy isopropyl) benzene, peroxide tertiary butyl isopropylbenzene, 2, bis- (tert-butylperoxies) -2 of 5-, 5- dimethyl -3- hexin, 2, bis- (tert-butylperoxies) -2 of 5-, 5- dimethylhexane, dibenzoyl peroxide, at least one of perbenzoic acid spy butyl ester and di-tert-butyl peroxide.Nitrile rubber provided by the invention/nylon thermoplastic's elastomer has high-elastic, easy processing and repeats the performances such as processing, and has good flame retardant property, can be used in oil delivering pipe of car road and seal member.
Description
Technical field
The present invention relates to thermoplastic elastomer (TPE) fields, and in particular, to a kind of halogen-free flameproof nitrile rubber/nylon thermoplastic
Elastomer and preparation method thereof.
Background technique
Nitrile rubber/nylon thermoplastic's elastomer is that nitrile rubber and nylon are prepared by dynamic vulcanization reaction technology
Material, the material have excellent mechanical property, processing performance and oil resistance.
Nitrile rubber and nylon all have polar group, and the two surface can match, and have preferable comixing compatibility,
The thermoplastic elastic material that the two is prepared through Technology of Dynamic Vulcanized has good tensile strength, wearability and excellent resistance to molten
Agent performance also has high-elastic, easy processing and repeats the performances such as processing, can be applied to oil delivering pipe of car road and seal member.
However, nitrile rubber and nylon material are all easy burning in air, when burning, generates a large amount of dense smoke and toxic
Gas.Therefore, auto industry proposes stringent flame-retardancy requirements to used plastics and rubber material.
CN104672551A discloses nitrile rubber/nylon66 fiber alloy, and the prior art, which has been selected, has high-melting-point, oil resistant
Property nylon66 fiber outstanding remove modified butadiene acrylonitrile rubber, obtain the high molecular material of the double prominent characteristics of high oil resistivity, high cold resistance.With
Double screw extruder implements blending technology, realizes the on-demand combination of each functional block of screw rod, has achieved the effect that dispersion mixing.Altogether
The automatic control of mixed technological parameter ensure that the steady and continuous industrialized production of nylon66 fiber modified butadiene acrylonitrile rubber high molecular material, be
Rubber industry provides a kind of novel raw material.However, nitrile rubber/nylon66 fiber alloy mechanical property that the prior art obtains
Can poor and flame retardant property it is bad, such as tensile strength, only between 12~16MPa, compression set is up to 60% or more.
Summary of the invention
The purpose of the invention is to overcome the prior art provide nitrile rubber/nylon alloy existing for mechanical property compared with
Poor and bad flame retardant property defect provides a kind of new halogen-free flameproof fourth with good mechanical property and flame retardant property
Nitrile rubber/nylon thermoplastic's elastomer.
To achieve the goals above, in a first aspect, the present invention provides a kind of halogen-free flameproof nitrile rubber/nylon thermoplastic's bullet
Property body, nitrile rubber, nylon, fire retardant, vulcanizing agent, anti-aging agent, antioxidant and auxiliary agent are contained in the thermoplastic elastomer (TPE), it is described
Vulcanizing agent is organic peroxide, and the organic peroxide is selected from cumyl peroxide, bis- (tert-butylperoxy isopropyls
Base) benzene, peroxide tertiary butyl isopropylbenzene, bis- (the tert-butylperoxy) -2,5- dimethyl -3- hexins of 2,5-, the bis- (tertiary butyls of 2,5-
Peroxidating) in -2,5- dimethylhexane, dibenzoyl peroxide, perbenzoic acid spy butyl ester and di-tert-butyl peroxide
It is at least one.
To achieve the goals above, second aspect, the present invention, which provides, a kind of prepares halogen-free flameproof fourth described in first aspect
Nitrile rubber/nylon thermoplastic's elastomer method, this method comprises:
(1) the component A containing nitrile rubber, anti-aging agent and auxiliary agent is carried out first to be kneaded, obtains masterbatch；
(2) masterbatch is subjected to extruding pelletization, obtains masterbatch pellets；
(3) masterbatch pellets and the component B containing nylon, antioxidant, vulcanizing agent and fire retardant are subjected to dynamic sulphur
Change and is granulated.
Halogen-free flameproof nitrile rubber/nylon thermoplastic's elastomer provided by the invention has high-elastic, easy processing and repeats to add
The performances such as work, and there is good flame retardant property, it can be used in oil delivering pipe of car road and seal member.
Specific embodiment
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
As previously mentioned, the first aspect of the present invention provides a kind of halogen-free flameproof nitrile rubber/nylon thermoplastic's elastomer,
Contain nitrile rubber, nylon, fire retardant, vulcanizing agent, anti-aging agent, antioxidant and auxiliary agent, the vulcanization in the thermoplastic elastomer (TPE)
Agent is organic peroxide, and the organic peroxide is selected from cumyl peroxide, bis- (tert-butylperoxy isopropyls)
Bis- (the tert-butylperoxy) -2,5- dimethyl -3- hexins of benzene, peroxide tertiary butyl isopropylbenzene, 2,5-, bis- (the tertiary butyl mistakes of 2,5-
Oxidation) in -2,5- dimethylhexane, dibenzoyl peroxide, perbenzoic acid spy butyl ester and di-tert-butyl peroxide extremely
Few one kind.
In particularly preferred situation, the organic peroxide is selected from cumyl peroxide, dibenzoyl peroxide and mistake
Aoxidize at least one of benzoic acid spy butyl ester.
It was found by the inventors of the present invention that the nothing that nitrile rubber and nylon are formed under specific vulcanizing system provided by the invention
The fire-retardant nitrile rubber of halogen/nylon thermoplastic's elastomer has significantly superior mechanical property.
Under preferable case, relative to the nitrile rubber of 100 parts by weight, the content of the nylon is 30~100 weight
Part, the content of 40~100 parts by weight of content of the fire retardant, the vulcanizing agent is 1~20 parts by weight, and the anti-aging agent contains
Amount is 1~10 parts by weight, and the content of the antioxidant is 0.5~5 parts by weight, and the content of the auxiliary agent is 1~10 parts by weight.
Preferably, the nylon is nylon 6 and/or nylon 12.
Under preferable case, the anti-aging agent is selected from anti-aging agent RD (2,2,4- trimethyl -1,2- dihyaroquinoline), anti-aging agent
MB (2- mercaptobenzoimidazole) and anti-aging agent 1010 (four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters)
At least one of.
Preferably, the auxiliary agent includes softening agent and lubricant, and the softening agent is atoleine, and the lubricant is hard
Resin acid and/or polyethylene wax.
Under preferable case, the fire retardant is P-N type halogen-free environment-friendly type expanding fire retardant.
Preferably, the P-N type halogen-free environment-friendly type expanding fire retardant is ammonium polyphosphate, pentaerythrite, double Ji Wusi
At least one of alcohol, more pentaerythrites, zinc borate, zinc acetate and melamine.The particularly preferred P-N type Halogen ring
Guarantor's type expanding fire retardant is ammonium polyphosphate.
Preferably, the antioxidant is one of Hinered phenols antioxidant and phosphite ester antioxidant or a variety of.
According to a kind of preferred embodiment, the antioxidant is Hinered phenols antioxidant and phosphorous acid esters antioxygen
The combination of agent.Preferably, in the combination of Hinered phenols antioxidant and phosphite ester antioxidant, Hinered phenols antioxidant and Asia
The weight ratio of phosphoric acid ester antioxidant be 1:(0.5~5), more preferably 1:(1~3).
Under preferable case, the Hinered phenols antioxidant is antioxidant 245, antioxidant 264, antioxidant 300, antioxidant
1076, antioxidant 1010, antioxidant 1098, antioxidant 1425, antioxidant 2246, antioxidant KY-586, antioxidant 1135, antioxygen
One of agent 1035, antioxidant 3114 and antioxidant 1520 are a variety of；The phosphite ester antioxidant be irgasfos 168,
One of antioxidant TNP, antioxidant 242, antioxidant 626 and antioxidant 618 are a variety of.
In order to enable halogen-free flameproof nitrile rubber/nylon thermoplastic's elastomer of the invention has more excellent stretching strong
Degree, wearability and excellent solvent resistance and flame retardant property, the present invention provide the preferred system as described in preceding second aspect
Preparation Method prepares halogen-free flameproof nitrile rubber/nylon thermoplastic's elastomer of the invention, this method comprises:
(1) the component A containing nitrile rubber, anti-aging agent and auxiliary agent is carried out first to be kneaded, obtains masterbatch；
(2) masterbatch is subjected to extruding pelletization, obtains masterbatch pellets；
(3) masterbatch pellets and the component B containing nylon, antioxidant, vulcanizing agent and fire retardant are subjected to dynamic sulphur
Change and is granulated.
The use of respective components described in the dosage and first aspect present invention of each component that second aspect of the present invention is related to
Measure it is identical, the present invention details are not described herein, those skilled in the art should not be construed as limiting the invention.
Under preferable case, in step (1), it is 160~200 DEG C that the described first condition being kneaded, which includes: temperature, and the time is
8~15min.
Preferably, in step (1), first mixing carries out in mixer；The more preferable closed-smelting machine rotor turns
Speed is 60~90rpm.
Preferably, in step (2) and step (3), the extruding pelletization and the dynamic vulcanization are each independently in list
It is carried out in screw extruder or double screw extruder.
According to a kind of preferred embodiment, in step (2), the extruding pelletization in single screw extrusion machine into
Row；The condition of the more preferable extruding pelletization includes: that screw speed is 50~200rpm, and extrusion temperature is 160~200 DEG C.
According to another preferred embodiment, in step (3), the dynamic vulcanization is in meshed double screw in the same direction
It is carried out in extruder.Preferably, in step (3), the condition of the dynamic vulcanization includes: that screw speed is 50~200rpm,
Main rate of feeding is 30~50rpm, and head temperature is 170~200 DEG C, and screw rod pan feeding section temperature is 120~170 DEG C, and melting is mixed
Refining section temperature is 180~200 DEG C.
The halogen-free flameproof nitrile rubber being prepared using method described in second aspect of the present invention/nylon thermoplastic's elasticity
Body and specific preparation method have the advantages that following specific:
Halogen-free flameproof nitrile rubber/nylon thermoplastic's elastomer preparation process of the invention, using dynamic vulcanization plus
The advantages that work method has technological operation simple, and working condition is easy to control, and leftover pieces are few, energy saving, and productivity is high.It is made
Halogen-free flameproof nitrile rubber/nylon thermoplastic's elastomer have good tensile strength, wearability and excellent solvent resistance
Energy and flame retardant property also have high-elastic, easy processing and repeat the performances such as processing, can be used in oil delivering pipe of car road and sealing
Part.
The present invention will be described in detail by way of examples below.In following embodiment, in the feelings being not particularly illustrated
Under condition, the various raw materials of remaining used are all from commercially available.
Nitrile rubber: being purchased from JSR company, the Japan N220S trade mark, and acrylonitrile content is 41 weight %.
Nylon: it is purchased from the Ube 3030JIX3 trade mark.
The unit of each data in table 1 is g.
Embodiment 1
It is formulated according to shown in table 1, is processed by following processing method, obtain elastomer P1.
(1) at 40 DEG C, successively by nitrile rubber, anti-aging agent RD, auxiliary agent (atoleine and stearic acid, and atoleine
It is 1:0.2 with stearic weight ratio) it is added in mixer, closed-smelting machine rotor revolving speed is 70rpm, and 10min is blended, and obtains masterbatching
Glue；
It (2) is 100rpm in screw speed, extrusion temperature is that the masterbatch is passed through single screw extrusion machine at 180 DEG C
Masterbatch pellets are made in extruding pelletization；
(3) extruding machine with two screw rods engaging in the same direction, screw speed 100rpm are used, main rate of feeding is 40rpm, head temperature
Degree is 180 DEG C, and screw rod pan feeding section temperature is 150 DEG C, and melting mixing section temperature is 180 DEG C, and masterbatch made from step (2) is added
Particle and nylon, antioxidant 1010 and irgasfos 168 (weight ratio of antioxidant 1010 and irgasfos 168 is 1:1), vulcanizing agent
(cumyl peroxide), fire retardant (ammonium polyphosphate), dynamic vulcanization squeezes out, and is granulated, and elastomer P1 is made.
Embodiment 2
It is formulated according to shown in table 1, is processed by following processing method, obtain elastomer P2.
(1) at 45 DEG C, successively by nitrile rubber, antioxidant MB, auxiliary agent (atoleine and stearic acid, and atoleine
It is 1:0.2 with stearic weight ratio) it is added in mixer, closed-smelting machine rotor revolving speed is 60rpm, and 8min is blended, and obtains masterbatching
Glue；
It (2) is 80rpm in screw speed, extrusion temperature is to squeeze the masterbatch by single screw extrusion machine at 160 DEG C
It is granulated out, masterbatch pellets is made；
(3) extruding machine with two screw rods engaging in the same direction, screw speed 80rpm are used, main rate of feeding is 30rpm, head temperature
Degree is 200 DEG C, and screw rod pan feeding section temperature is 120 DEG C, and melting mixing section temperature is 200 DEG C, and masterbatch made from step (2) is added
Particle and nylon, antioxidant 1010 and antioxidant 626 (weight ratio of antioxidant 1010 and antioxidant 626 is 1:2), vulcanizing agent
(dibenzoyl peroxide), fire retardant (ammonium polyphosphate), dynamic vulcanization squeezes out, and is granulated, and elastomer P2 is made.
Embodiment 3
It is formulated according to shown in table 1, is processed by following processing method, obtain elastomer P3.
(1) at 50 DEG C, successively by nitrile rubber, anti-aging agent 1010, auxiliary agent (atoleine and stearic acid, and liquid stone
Wax and stearic weight ratio are 1:0.4) it is added in mixer, closed-smelting machine rotor revolving speed is 90rpm, and 12min is blended, and is obtained female
Refining glue；
It (2) is 150rpm in screw speed, extrusion temperature is that the masterbatch is passed through single screw extrusion machine at 200 DEG C
Masterbatch pellets are made in extruding pelletization；
(3) extruding machine with two screw rods engaging in the same direction, screw speed 150rpm are used, main rate of feeding is 50rpm, head temperature
Degree is 170 DEG C, and screw rod pan feeding section temperature is 170 DEG C, and melting mixing section temperature is 180 DEG C, and masterbatch made from step (2) is added
Particle and nylon, antioxidant 245 and irgasfos 168 (weight ratio of antioxidant 245 and irgasfos 168 is 1:3), vulcanizing agent
(perbenzoic acid spy butyl ester), fire retardant (ammonium polyphosphate), dynamic vulcanization squeezes out, and is granulated, and elastomer P3 is made.
Embodiment 4
The present embodiment prepares elastomer P4 using method similar to Example 1, except that:
Vulcanizing agent in the present embodiment is bis- (tert-butylperoxy) -2,5- dimethylhexanes of 2,5-, remaining with implementation
It is identical in example 1.
Elastomer P4 is made.
Embodiment 5
The present embodiment prepares elastomer P5 using method similar to Example 1, except that:
The dosage of vulcanizing agent in the present embodiment is different from embodiment 1, referring specifically to table 1.Remaining is and in embodiment 1
It is identical.
Elastomer P5 is made.
Embodiment 6
The present embodiment prepares elastomer P6 using method similar to Example 2, except that:
The all antioxidant 1010s of antioxidant in the present embodiment.Remaining is in the same manner as in Example 2.
Elastomer P6 is made.
Embodiment 7
The present embodiment prepares elastomer P7 using method similar to Example 2, except that:
The weight ratio of antioxidant 1010 and antioxidant 626 in the present embodiment is 1:5.Remaining is in the same manner as in Example 2.
Elastomer P7 is made.
Embodiment 8
The present embodiment prepares elastomer P8 using formula same as Example 1, the difference is that the preparation of the present embodiment
Method are as follows:
(1) at 40 DEG C, successively by nitrile rubber, nylon, anti-aging agent RD, auxiliary agent (atoleine and stearic acid, and liquid
Paraffin and stearic weight ratio are 1:0.2) it is added in mixer, closed-smelting machine rotor revolving speed is 70rpm, and 10min is blended, and is obtained
Masterbatch；
It (2) is 100rpm in screw speed, extrusion temperature is that the masterbatch is passed through single screw extrusion machine at 180 DEG C
Masterbatch pellets are made in extruding pelletization；
(3) extruding machine with two screw rods engaging in the same direction, screw speed 100rpm are used, main rate of feeding is 40rpm, head temperature
Degree is 180 DEG C, and screw rod pan feeding section temperature is 150 DEG C, and melting mixing section temperature is 180 DEG C, and masterbatch made from step (2) is added
Particle and antioxidant 1010 and irgasfos 168 (weight ratio of antioxidant 1010 and irgasfos 168 is 1:1), vulcanizing agent (peroxide
Change diisopropylbenzene (DIPB)), fire retardant (ammonium polyphosphate), dynamic vulcanization squeezes out, and is granulated, and elastomer P8 is made.
Embodiment 9
The present embodiment prepares elastomer P9 using method similar to Example 3, except that:
Fire retardant in the present embodiment is zinc borate, remaining is in the same manner as in Example 3.
Elastomer P9 is made.
Comparative example 1
This comparative example prepares elastomer DP1 using formula similar to Example 1, except that:
Vulcanizing agent in the present embodiment is thermosetting phenolic resin.Remaining is in the same manner as in Example 1.
Elastomer DP1 is made.
Table 1
| Elastomer | Nitrile rubber | Nylon | Vulcanizing agent | Fire retardant | Anti-aging agent | Antioxidant | Auxiliary agent |
| P1 | 100 | 50 | 1.5 | 40 | 1.5 | 1 | 1 |
| P2 | 100 | 60 | 5 | 60 | 5 | 1.5 | 3 |
| P3 | 100 | 70 | 10 | 80 | 10 | 5 | 5 |
| P4 | 100 | 50 | 1.5 | 40 | 1.5 | 1 | 1 |
| P5 | 100 | 50 | 25 | 40 | 1.5 | 1 | 1 |
| P6 | 100 | 60 | 5 | 60 | 5 | 1.5 | 3 |
| P7 | 100 | 60 | 5 | 60 | 5 | 1.5 | 3 |
| P8 | 100 | 50 | 1.5 | 40 | 1.5 | 1 | 1 |
| P9 | 100 | 70 | 10 | 80 | 10 | 5 | 5 |
| DP1 | 100 | 50 | 1.5 | 40 | 1.5 | 1 | 1 |
Test case
Respectively to tensile strength, elongation at break, compression set, the volume sweell(ing) of above-mentioned elastomer P1-P9 and DP1
Percentage and oxygen index (OI) measure, and the results are shown in Table shown in 2, in which:
Tensile strength, elongation at break are tested according to the method in GB/T 528-2009.
Compression set is tested according to the method in GB/T 7759-1996.
Volume sweell(ing) percentage is tested according to the method in GB/T 1690-2006.
Oxygen index (OI) is tested according to the method in ASTM 2863.
Table 2
Halogen-free flameproof nitrile rubber/nylon thermoplastic's elastomer provided by the invention has it can be seen from the result of table 2
The performances such as high-elastic, easy processing and repetition processing, and there is good flame retardant property, it can be used in oil delivering pipe of car road and sealing
Component.
Particularly, the system provided by the preferred embodiment of the present invention it can be seen from the result of embodiment 8 and embodiment 1
Preparation Method can obtain halogen-free flameproof nitrile rubber/nylon thermoplastic's elastomer with significantly superior mechanical property.
The preferred embodiment of the present invention has been described above in detail, and still, the present invention is not limited thereto.In skill of the invention
In art conception range, can with various simple variants of the technical solution of the present invention are made, including each technical characteristic with it is any its
Its suitable method is combined, and it should also be regarded as the disclosure of the present invention for these simple variants and combination, is belonged to
Protection scope of the present invention.
Claims (11)
1. a kind of halogen-free flameproof nitrile rubber/nylon thermoplastic's elastomer, nitrile rubber, Buddhist nun are contained in the thermoplastic elastomer (TPE)
Dragon, fire retardant, vulcanizing agent, anti-aging agent, antioxidant and auxiliary agent, the vulcanizing agent are organic peroxide, and the organic peroxy
It is bis- (special that compound is selected from cumyl peroxide, bis- (tert-butylperoxy isopropyl) benzene, peroxide tertiary butyl isopropylbenzene, 2,5-
Butyl peroxy) -2,5- dimethyl -3- hexin, bis- (the tert-butylperoxy) -2,5- dimethylhexanes of 2,5-, diphenyl peroxide
At least one of formyl, perbenzoic acid spy butyl ester and di-tert-butyl peroxide.
2. halogen-free flameproof nitrile rubber/nylon thermoplastic's elastomer according to claim 1, wherein relative to 100 weight
Part the nitrile rubber, the content of the nylon is 30~100 parts by weight, 40~100 parts by weight of content of the fire retardant,
The content of the vulcanizing agent is 1~20 parts by weight, and the content of the anti-aging agent is 1~10 parts by weight, the content of the antioxidant
For 0.5~5 parts by weight, the content of the auxiliary agent is 1~10 parts by weight.
3. halogen-free flameproof nitrile rubber/nylon thermoplastic's elastomer according to claim 1 or 2, wherein the nylon is
Nylon 6 and/or nylon 12；Preferably,
The anti-aging agent is selected from least one of anti-aging agent RD, antioxidant MB and anti-aging agent 1010；Preferably,
The auxiliary agent includes softening agent and lubricant, and the softening agent is atoleine, and the lubricant is stearic acid and/or gathers
Ethylene waxes.
4. halogen-free flameproof nitrile rubber/nylon thermoplastic's elastomer according to claim 1 or 2, wherein the fire retardant
For P-N type halogen-free environment-friendly type expanding fire retardant；Preferably,
The P-N type halogen-free environment-friendly type expanding fire retardant is ammonium polyphosphate, pentaerythrite, dipentaerythritol, more Ji Wusi
At least one of alcohol, zinc borate, zinc acetate and melamine.
5. halogen-free flameproof nitrile rubber/nylon thermoplastic's elastomer according to claim 1 or 2, wherein
The antioxidant is one of Hinered phenols antioxidant and phosphite ester antioxidant or a variety of, preferably Hinered phenols
The combination of antioxidant and phosphite ester antioxidant, more preferably weight ratio are 1:(0.5~5), preferred 1:(1~3) be obstructed
The combination of phenolic antioxidant and phosphite ester antioxidant；
Preferably, the Hinered phenols antioxidant is antioxidant 245, antioxidant 264, antioxidant 300, antioxidant 1076, antioxygen
Agent 1010, antioxidant 1425, antioxidant 2246, antioxidant KY-586, antioxidant 1135, antioxidant 1035, resists antioxidant 1098
One of oxygen agent 3114 and antioxidant 1520 are a variety of；The phosphite ester antioxidant be irgasfos 168, antioxidant TNP,
One of antioxidant 242, antioxidant 626 and antioxidant 618 are a variety of.
6. a kind of prepare halogen-free flameproof nitrile rubber/nylon thermoplastic's elastomer described in any one of claim 1-5
Method, this method comprises:
(1) the component A containing nitrile rubber, anti-aging agent and auxiliary agent is carried out first to be kneaded, obtains masterbatch；
(2) masterbatch is subjected to extruding pelletization, obtains masterbatch pellets；
(3) masterbatch pellets and the component B containing nylon, antioxidant, vulcanizing agent and fire retardant are subjected to dynamic vulcanization simultaneously
It is granulated.
7. according to the method described in claim 6, wherein, in step (1), the described first condition being kneaded includes: that temperature is
160~200 DEG C, the time is 8~15min.
8. method according to claim 6 or 7, wherein in step (1), first mixing carries out in mixer,
It is preferred that the closed-smelting machine rotor revolving speed is 60~90rpm.
9. according to the method described in claim 6, wherein, in step (2) and step (3), the extruding pelletization and described dynamic
State vulcanization carries out in single screw extrusion machine or double screw extruder each independently.
10. according to the method described in claim 9, wherein, in step (2), the extruding pelletization is in single screw extrusion machine
It carries out；Preferably,
The condition of the extruding pelletization includes: that screw speed is 50~200rpm, and extrusion temperature is 160~200 DEG C.
11. according to the method described in claim 9, wherein, in step (3), the dynamic vulcanization is in meshed double screw in the same direction
It is carried out in extruder；Preferably,
The condition of the dynamic vulcanization includes: that screw speed is 50~200rpm, and main rate of feeding is 30~50rpm, head temperature
Degree is 170~200 DEG C, and screw rod pan feeding section temperature is 120~170 DEG C, and melting mixing section temperature is 180~200 DEG C.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111995802A (en) * | 2020-09-07 | 2020-11-27 | 华东理工大学 | Raw material composition, rubber material, and preparation method and application thereof |
| CN112011100A (en) * | 2020-08-24 | 2020-12-01 | 李薇 | Novel halogen-free flame-retardant rubber material and preparation method thereof |
| CN114437427A (en) * | 2020-11-02 | 2022-05-06 | 中国石油化工股份有限公司 | Thermoplastic vulcanized rubber composition, thermoplastic vulcanized rubber, and preparation method and application thereof |
| CN114437426A (en) * | 2020-11-02 | 2022-05-06 | 中国石油化工股份有限公司 | Thermoplastic vulcanized rubber composition, thermoplastic vulcanized rubber, and preparation method and application thereof |
| CN114437425A (en) * | 2020-11-02 | 2022-05-06 | 中国石油化工股份有限公司 | Thermoplastic vulcanized rubber composition, thermoplastic vulcanized rubber, and preparation method and application thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112011100A (en) * | 2020-08-24 | 2020-12-01 | 李薇 | Novel halogen-free flame-retardant rubber material and preparation method thereof |
| CN112011100B (en) * | 2020-08-24 | 2022-11-01 | 宁波睿布尔新材料科技有限公司 | Halogen-free flame-retardant rubber material and preparation method thereof |
| CN111995802A (en) * | 2020-09-07 | 2020-11-27 | 华东理工大学 | Raw material composition, rubber material, and preparation method and application thereof |
| CN111995802B (en) * | 2020-09-07 | 2021-09-10 | 华东理工大学 | Raw material composition, rubber material, and preparation method and application thereof |
| CN114437427A (en) * | 2020-11-02 | 2022-05-06 | 中国石油化工股份有限公司 | Thermoplastic vulcanized rubber composition, thermoplastic vulcanized rubber, and preparation method and application thereof |
| CN114437426A (en) * | 2020-11-02 | 2022-05-06 | 中国石油化工股份有限公司 | Thermoplastic vulcanized rubber composition, thermoplastic vulcanized rubber, and preparation method and application thereof |
| CN114437425A (en) * | 2020-11-02 | 2022-05-06 | 中国石油化工股份有限公司 | Thermoplastic vulcanized rubber composition, thermoplastic vulcanized rubber, and preparation method and application thereof |
| CN114437425B (en) * | 2020-11-02 | 2023-08-15 | 中国石油化工股份有限公司 | Thermoplastic vulcanized rubber composition, thermoplastic vulcanized rubber, and preparation method and application thereof |
| CN114437426B (en) * | 2020-11-02 | 2023-11-10 | 中国石油化工股份有限公司 | Thermoplastic vulcanized rubber composition, thermoplastic vulcanized rubber, and preparation method and application thereof |
| CN114437427B (en) * | 2020-11-02 | 2024-02-13 | 中国石油化工股份有限公司 | Thermoplastic vulcanized rubber composition, thermoplastic vulcanized rubber, and preparation method and application thereof |
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