CN106065123A - A kind of cold-resistant insualtion resin composition and preparation method thereof - Google Patents
A kind of cold-resistant insualtion resin composition and preparation method thereof Download PDFInfo
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- CN106065123A CN106065123A CN201610384909.0A CN201610384909A CN106065123A CN 106065123 A CN106065123 A CN 106065123A CN 201610384909 A CN201610384909 A CN 201610384909A CN 106065123 A CN106065123 A CN 106065123A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Ethene-propene or ethene-propene-diene copolymers
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08L2201/02—Flame or fire retardant/resistant
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- C08L2205/00—Polymer mixtures characterised by other features
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Abstract
The invention belongs to technical field of polymer materials, being specifically related to a kind of cold-resistant insualtion resin composition and preparation method thereof, described cold-resistant insualtion resin composition includes that the raw material of following parts by weight is made: ethylene propylene diene rubber 70 85 parts, low butadiene rubber 10 23 parts; 22 34 parts of butadiene-styrene rubber; wood fibre 5 15 parts, fire retardant 58 parts, filler 80 100 parts; 36 parts of age resistor; vulcanizing agent 48 parts, cross-linking agent 12 parts, softening agent 12 25 parts and accelerator 4 10 parts.The various raw material of the present invention with the use of, gained insualtion resin composition tensile property, ageing resistace, oil resistance, cold tolerance and excellent fireproof performance.
Description
Technical field
The invention belongs to technical field of polymer materials, be specifically related to a kind of cold-resistant insualtion resin composition and preparation thereof
Method.
Background technology
Corvic (PVC) is the insulant being most widely used on cable, and the advantage of PVC insulant is tool
There are high practical characteristic and low price, but, this insulant is Halogen material, can discharge toxic and harmful when burning
And the amount of being fuming is big, easily undermines environment and there is secondary harm, such as, easily causing people's at scene of fire toxic and harmful
Death by suffocation.The at present production of halide-free low-smoke fireproof cable material be mostly add in polyolefin base material substantial amounts of magnesium hydroxide or
Magnesium hydroxide reaches flame retardant effect, but, the addition of a large amount of inorganic material, have impact on the physical and mechanical properties of CABLE MATERIALS and add
Work processing performance, temperature classification is low.
Chinese patent CN103589006B discloses a kind of high-elastic cold-resistant modified butadiene rubber CABLE MATERIALS, and this CABLE MATERIALS comprises
The raw material of following weight portion: butadiene rubber 25-30, ethylene propylene diene rubber 18-22, Low Density Polyethylene 18-20, polystyrene
10-12, sulfur 1-2, zinc oxide 4-6, Rhein wax 4-6, calcium fluoride 3-4, stearic acid 3-5, butyl rubber 10-12, adjacent
Dioctyl phthalate 5-6, acceterator TE TD 1-2, antioxidant NBC 1-2, titanium dioxide 8-10, double ten four carbon alcohols ester 3-
4, epoxidation triglyceride 5-6, ground calcium carbonate 4-5, N330 white carbon black 23-26, irgasfos 168 1-2, antiscorching agent
CTP 1-2, auxiliary agent 4-5；This CABLE MATERIALS combines butadiene rubber, ethylene propylene diene rubber, butyl rubber and low density polyethylene
The advantage of the raw material such as alkene, polystyrene, improves the performance of tradition butadiene rubber CABLE MATERIALS so that it is possess the mechanical property of brilliance
Can, pliable and tough wear-resisting, cold-resistant ageing-resistant, the most also there is good insulating properties, service life is long, it is possible to adapt to specifically use ring
Border condition, market application foreground is wide.Chinese patent CN103524902A discloses a kind of water-fast elastomeric ternary second of moisture-resisting
Third rubber cable material, this CABLE MATERIALS comprises the raw material of following weight portion: ethylene propylene diene rubber 40-45, butadiene rubber 10-12, poly-
Styrene 10-12, isotactic polypropylene 14-17, N660 white carbon black 30-34, feldspar in powder 12-15, zinc oxide 3-5, stearic acid 4-5,
Age resistor 401 ONA 1. 2-2. 0, anti-aging agent RD 1. 2-2. 0, accelerant CZ 1. 5-2. 0, sulfur 1-2, magnesium oxide 3-
4, the cruel 6-8 of the positive fourth of acetic acid, trimethyl hexamethylene diisocyanate 3-4, auxiliary agent 4-5；This CABLE MATERIALS combines ethylene-propylene-diene monomer
Glue, butadiene rubber and the advantage of the raw material such as polystyrene, isotactic polypropylene, improve tradition EPT rubber cable material
Performance so that it is possess superior moisture-resisting water-proofing performance, simultaneously cold-resistant, wear-resisting, elastic good, it is possible to adapt to specifically use environment
Condition.But, above-mentioned patent cable material tolerance to cold, mechanical property are the most poor.
Summary of the invention
For overcoming drawbacks described above, it is an object of the invention to provide a kind of cold-resistant insualtion resin composition.
Another object of the present invention also resides in the preparation method providing a kind of cold-resistant insualtion resin composition.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of cold-resistant insualtion resin composition, the raw material including following parts by weight makes:
Ethylene propylene diene rubber 70-85 part, low butadiene rubber 10-23 part, butadiene-styrene rubber 22-34 part, wood fibre 5-15 part is fire-retardant
Agent 5-8 part, filler 80-100 part, age resistor 3-6 part, vulcanizing agent 4-8 part, cross-linking agent 1-2 part, softening agent 12-25 part and rush
Enter agent 4-10 part.
Preferably, described fire retardant is a kind of or several in antimony oxide, molybdenum dioxide, magnesium hydroxide and calcium carbonate
Kind.
Preferably, described filler is white carbon black N550, a kind of or several in white carbon black N330, white carbon black N220 and white carbon VN-3
Kind.
Preferably, described age resistor is antioxidant MB and antioxidant 4010NA, and both weight ratios are 0.5-2:1.
Preferably, described vulcanizing agent is cumyl peroxide.
Preferably, described cross-linking agent is penylene BMI, triallyl isocyanate, triallyl between N-N
In isocyanuric acid ester, dimethyl allene vinyl acetate and end hydroxy butadiene one or more.
Preferably, described softening agent is paraffin oil, naphthenic oil or hydroxy silicon oil.
Preferably, described accelerator is magnesium oxide and stearic acid, and both weight ratios are 2-10:1.
The preparation method of above-mentioned cold-resistant insualtion resin composition, comprises the following steps:
(1) by after ethylene propylene diene rubber, low butadiene rubber and butadiene-styrene rubber mix homogeneously, it is placed in double screw extruder to be blended and makes
Grain obtains mixed elastomer；
(2) add mixed elastomer in banbury, 8-12min plasticated by wood fibre, when banbury temperature reaches 140-150 DEG C
Time, start discharging, after material cooling of plasticating, send in banbury, be sequentially added into accelerator, fire retardant, age resistor, filler and
Softening agent, mixing 6-10min, when banbury temperature arrives 100-110 DEG C, start discharging, cooling, obtain compound；
(3) compound is put in banbury, add vulcanizing agent and cross-linking agent, 80-120 DEG C of mixing 3-5min, send into after cooling
Mill mill, thin logical 6-8 time, to obtain final product.
The positive beneficial effect of the present invention:
EP rubbers the most of the present invention has the resistance to weather of excellence, resistance to ozone, heat-resisting, acid and alkali-resistance, resistance to water vapour, color, electrically
Can, oil-filled property and room temperature mobility, EP rubbers lacks polarity, and degree of unsaturation is low, thus to various polar chemical product such as alcohol,
Acid, alkali, oxidant, cold-producing medium, detergent, vegetable and animals oils, ketone and fat etc. all have preferable resistance；Low butadiene rubber and butylbenzene
Rubber has the cryogenic property of excellence, and butadiene rubber has high resiliency, further increases EP rubbers at low temperatures
Rebound performance.Meanwhile, the present invention, on the basis of three kinds of rubber share, adds wood fibre, and wood fibre proportion is little, specific surface
Long-pending big, have excellent insulation, heat insulation, insulate against sound, insulate and permeability, thermal expansion is not the most flaked and is not ftractureed, and has excellent
Pliability and dispersibility, antifreeze and solar heat protection ability is the strongest, the network structure with three kinds of rubber compoundings form IPNs, improves
The mechanical property of the insualtion resin composition that the present invention resists cold and cold tolerance.
2. during the present invention uses antimony oxide, molybdenum dioxide, magnesium hydroxide and calcium carbonate, one or more are as fire-retardant
Agent, fire resistance is good, and addition is few, does not produce toxic and harmful, environmental protection；Use white carbon black N550, white carbon black N330, white carbon black
In N220 and white carbon VN-3, one or more are as filler, and surface activity is big, and reinforcing effect is good；Use antioxidant MB and prevent
Old agent 4010NA shares as age resistor, prevents and slow rubber oxidizing process, extends the service life of rubber；Use peroxidating two
Isopropylbenzene is vulcanizing agent, penylene BMI, triallyl isocyanate, Triallyl isocyanurate, diformazan between N-N
In base vinyl acrylate and end hydroxy butadiene, one or more are cross-linking agent, form good interconnected system, make rubber
It is more readily formed dimensional network structure, improves the mechanical property of Blend rubber；Paraffin oil, naphthenic oil or hydroxy silicon oil are for softening
Agent, has good protection against the tide and insulating properties, and plasticity is good, improves the mobility of sizing material, shortens mixing time, promotes that other are each
Plant raw material rapidly and uniformly mixing dispersion in rubber, prevent from extruded stock occurs bubble；Magnesium oxide and stearic acid share work
For accelerator, shortening cure time, reduce vulcanizing agent consumption, improve the mechanical property of rubber, stearic acid can also play and prevent rubber
The effect of gluing roller；Various raw materials with the use of, gained insualtion resin composition tensile property, ageing resistace, oil resistance,
Cold tolerance and excellent fireproof performance.
3. the insualtion resin composition raw material that the present invention resists cold is easy to get, and preparation method is simple, is suitable for extensively application.
Detailed description of the invention
Below in conjunction with some detailed description of the invention, the present invention is further described.
Embodiment 1
A kind of cold-resistant insualtion resin composition, the raw material including following parts by weight makes:
Germany's bright Sheng EPT6850 ethylene propylene diene rubber (Ethylene mass number 53%) 70 parts, low butadiene rubber 10 parts, butadiene-styrene rubber
22 parts, wood fibre 5 parts, fire retardant 5 parts, filler 80 parts, 3 parts of age resistor, vulcanizing agent 4 parts, cross-linking agent 1 part, softening agent 12
Part and accelerator 4 parts.
Described fire retardant is antimony oxide.
Described filler is white carbon black N550.
Described age resistor is MB and 4010NA, and both weight ratios are 0.5:1.
Described vulcanizing agent is cumyl peroxide.
Described cross-linking agent is penylene BMI between N-N.
Described softening agent is hydroxy silicon oil.
Described accelerator is magnesium oxide and stearic acid, and both weight ratios are 2:1.
The preparation method of above-mentioned cold-resistant insualtion resin composition, comprises the following steps:
(1) by after ethylene propylene diene rubber, butadiene rubber and butadiene-styrene rubber mix homogeneously, it is placed in double screw extruder and pelletize is blended
Obtain mixed elastomer；
(2) add mixed elastomer in banbury, 8min plasticated by wood fibre, when banbury temperature reaches 140 DEG C, starts
Discharging, after material cooling of plasticating, sends in banbury, is sequentially added into accelerator, fire retardant, age resistor, filler and softening agent,
Mixing 10min, when banbury temperature arrives 100 DEG C, starts discharging, cooling, obtains compound；
(3) compound is put in banbury, add vulcanizing agent and cross-linking agent, 100 DEG C of mixing 5min, after cooling, send into mill
Mill, thin logical 6 times, to obtain final product.
Embodiment 2
A kind of cold-resistant insualtion resin composition, the raw material including following parts by weight makes:
Germany's bright Sheng EPT6650 ethylene propylene diene rubber (Ethylene mass number 53%) 72 parts, low butadiene rubber 12 parts, butadiene-styrene rubber
24 parts, wood fibre 6 parts, fire retardant 6 parts, filler 85 parts, 4 parts of age resistor, vulcanizing agent 4.5 parts, cross-linking agent 1 part, softening agent
15 parts and accelerator 5 parts.
Described fire retardant is molybdenum dioxide.
Described filler is white carbon black N220.
Described age resistor is MB and 4010NA, and both weight ratios are 0.8:1.
Described vulcanizing agent is cumyl peroxide.
Described cross-linking agent is Triallyl isocyanurate.
Described softening agent is naphthenic oil.
Described accelerator is magnesium oxide and stearic acid, and both weight ratios are 3:1.
The preparation method of above-mentioned cold-resistant insualtion resin composition, comprises the following steps:
(1) by after ethylene propylene diene rubber, butadiene rubber and butadiene-styrene rubber mix homogeneously, it is placed in double screw extruder and pelletize is blended
Obtain mixed elastomer；
(2) add mixed elastomer in banbury, 10min plasticated by wood fibre, when banbury temperature reaches 140 DEG C, opens
Beginning discharging, after material cooling of plasticating, sends in banbury, is sequentially added into accelerator, fire retardant, age resistor, filler and softening
Agent, mixing 8min, when banbury temperature arrives 110 DEG C, start discharging, cooling, obtain compound；
(3) compound is put in banbury, add vulcanizing agent and cross-linking agent, 100 DEG C of mixing 4min, after cooling, send into mill
Mill, thin logical 7 times, to obtain final product.
Embodiment 3
A kind of cold-resistant insualtion resin composition, the raw material including following parts by weight makes:
Germany's bright Sheng EPT6850 ethylene propylene diene rubber (Ethylene mass number 53%) 78 parts, low butadiene rubber 15 parts, butadiene-styrene rubber
25 parts, wood fibre 8 parts, fire retardant 6.5 parts, filler 90 parts, 5 parts of age resistor, vulcanizing agent 5 parts, cross-linking agent 1.1 parts, soften
Agent 18 parts and accelerator 6 parts.
Described fire retardant is antimony oxide and calcium carbonate, and both weight ratios are 1:1.
Described filler is white carbon black N550 and white carbon black N330, and both weight ratios are 1:1.
Described age resistor is MB and 4010NA, and both weight ratios are 1:1.
Described vulcanizing agent is cumyl peroxide.
Described cross-linking agent is penylene BMI and triallyl isocyanate between N-N, and both weight ratios are 1:
1。
Described softening agent is paraffin oil.
Described accelerator is magnesium oxide and stearic acid, and both weight ratios are 5:1.
The preparation method of above-mentioned cold-resistant insualtion resin composition, comprises the following steps:
(1) by after ethylene propylene diene rubber, butadiene rubber and butadiene-styrene rubber mix homogeneously, it is placed in double screw extruder and pelletize is blended
Obtain mixed elastomer；
(2) add mixed elastomer in banbury, 10min plasticated by wood fibre, when banbury temperature reaches 140 DEG C, opens
Beginning discharging, after material cooling of plasticating, sends in banbury, is sequentially added into accelerator, fire retardant, age resistor, filler and softening
Agent, mixing 8min, when banbury temperature arrives 110 DEG C, start discharging, cooling, obtain compound；
(3) compound is put in banbury, add vulcanizing agent and cross-linking agent, 80 DEG C of mixing 5min, after cooling, send into mill
Mill, thin logical 6 times, to obtain final product.
Embodiment 4
A kind of cold-resistant insualtion resin composition, the raw material including following parts by weight makes:
Germany's bright Sheng EPT6850 ethylene propylene diene rubber (Ethylene mass number 53%) 80 parts, low butadiene rubber 18 parts, butadiene-styrene rubber
28 parts, wood fibre 10 parts, glass fibre 5 parts, fire retardant 7 parts, filler 95 parts, 5 parts of age resistor, vulcanizing agent 5.5 parts, crosslinking
Agent 1.5 parts, softening agent 20 parts and accelerator 6 parts.
Described fire retardant is antimony oxide and calcium carbonate, and both weight ratios are 1:1.
Described filler is white carbon black N550.
Described age resistor is MB and 4010NA, and both weight ratios are 1:1.
Described vulcanizing agent is cumyl peroxide.
Described cross-linking agent is penylene BMI and Triallyl isocyanurate between N-N, and both weight ratios are
1:1.
Described softening agent is paraffin oil.
Described accelerator is magnesium oxide and stearic acid, and both weight ratios are 6:1.
Adding glass fibre in the present embodiment, tensile strength is big, heat-resist, has excellent electrical insulating property, is senior
Electrically insulating material, with wood fibre and three kinds of rubber compoundings, the inierpeneirating network structure not only formed it into is more stable, improves
The mechanical property of the insualtion resin composition that the present invention resists cold and cold tolerance；And the insulating resin making the present invention resist cold combines
Thing heat resistance improves the most further.
The preparation method of above-mentioned cold-resistant insualtion resin composition, comprises the following steps:
(1) by after ethylene propylene diene rubber, butadiene rubber and butadiene-styrene rubber mix homogeneously, it is placed in double screw extruder and pelletize is blended
Obtain mixed elastomer；
(2) add mixed elastomer in banbury, 12min plasticated by wood fibre, glass fibre, when banbury temperature reaches
When 150 DEG C, start discharging, after material cooling of plasticating, send in banbury, be sequentially added into accelerator, fire retardant, age resistor, fill out
Fill agent and softening agent, mixing 8min, when banbury temperature arrives 110 DEG C, start discharging, cooling, obtain compound；
(3) compound is put in banbury, add vulcanizing agent and cross-linking agent, 100 DEG C of mixing 4min, after cooling, send into mill
Mill, thin logical 8 times, to obtain final product.
Embodiment 5
A kind of cold-resistant insualtion resin composition, the raw material including following parts by weight makes:
Germany's bright Sheng EPT6470 ethylene propylene diene rubber (Ethylene mass number 68%) 81 parts, low butadiene rubber 20 parts, butadiene-styrene rubber
30 parts, wood fibre 12 parts, fire retardant 7.5 parts, filler 96 parts, 5.5 parts of age resistor, vulcanizing agent 6 parts, cross-linking agent 1.6 parts is soft
Agent 21 parts and accelerator 7 parts.
Described fire retardant is magnesium hydroxide.
Described filler is white carbon black N550 and white carbon black N220.
Described age resistor is MB and 4010NA, and both weight ratios are 1.5:1.
Described vulcanizing agent is cumyl peroxide.
Described cross-linking agent is triallyl isocyanate.
Described softening agent is hydroxy silicon oil.
Described accelerator is magnesium oxide and stearic acid, and both weight ratios are 8:1.
The preparation method of above-mentioned cold-resistant insualtion resin composition, comprises the following steps:
(1) by after ethylene propylene diene rubber, butadiene rubber and butadiene-styrene rubber mix homogeneously, it is placed in double screw extruder and pelletize is blended
Obtain mixed elastomer；
(2) add mixed elastomer in banbury, 10min plasticated by wood fibre, when banbury temperature reaches 140 DEG C, opens
Beginning discharging, after material cooling of plasticating, sends in banbury, is sequentially added into accelerator, fire retardant, age resistor, filler and softening
Agent, mixing 6min, when banbury temperature arrives 100 DEG C, start discharging, cooling, obtain compound；
(3) compound is put in banbury, add vulcanizing agent and cross-linking agent, 120 DEG C of mixing 3min, after cooling, send into mill
Mill, thin logical 7 times, to obtain final product.
Embodiment 6
A kind of cold-resistant insualtion resin composition, the raw material including following parts by weight makes:
Germany's bright Sheng EPT6250 ethylene propylene diene rubber (Ethylene mass number 60%) 83 parts, low butadiene rubber 21 parts, butadiene-styrene rubber
32 parts, wood fibre 13 parts, fire retardant 8 parts, filler 99 parts, 6 parts of age resistor, vulcanizing agent 7 parts, cross-linking agent 1.8 parts, softening agent
24 parts and accelerator 8 parts.
Described fire retardant is antimony oxide and magnesium hydroxide, and both weight ratios are 1:1.
Described filler is white carbon VN-3.
Described age resistor is MB and 4010NA, and both weight ratios are 1.6:1.
Described vulcanizing agent is cumyl peroxide.
Described cross-linking agent is end hydroxy butadiene.
Described softening agent is paraffin oil.
Described accelerator is magnesium oxide and stearic acid, and both weight ratios are 9:1.
The preparation method of above-mentioned cold-resistant insualtion resin composition, comprises the following steps:
(1) by after ethylene propylene diene rubber, butadiene rubber and butadiene-styrene rubber mix homogeneously, it is placed in double screw extruder and pelletize is blended
Obtain mixed elastomer；
(2) add mixed elastomer in banbury, 9min plasticated by wood fibre, when banbury temperature reaches 140 DEG C, starts
Discharging, after material cooling of plasticating, sends in banbury, is sequentially added into accelerator, fire retardant, age resistor, filler and softening agent,
Mixing 10min, when banbury temperature arrives 110 DEG C, starts discharging, cooling, obtains compound；
(3) compound is put in banbury, add vulcanizing agent and cross-linking agent, 110 DEG C of mixing 4min, after cooling, send into mill
Mill, thin logical 6 times, to obtain final product.
Embodiment 7
A kind of cold-resistant insualtion resin composition, the raw material including following parts by weight makes:
Germany's bright Sheng 6850 ethylene propylene diene rubber (Ethylene mass number 53%) 85 parts, low butadiene rubber 23 parts, butadiene-styrene rubber 34
Part, wood fibre 15 parts, fire retardant 8 parts, filler 100 parts, 6 parts of age resistor, vulcanizing agent 8 parts, cross-linking agent 2 parts, softening agent 25
Part and accelerator 10 parts.
Described fire retardant is antimony oxide, molybdenum dioxide and calcium carbonate, and three's weight ratio is 1:1:1.
Described filler is white carbon black N330.
Described age resistor is MB and 4010NA, and both weight ratios are 2:1.
Described vulcanizing agent is cumyl peroxide.
Described cross-linking agent is dimethyl allene vinyl acetate.
Described softening agent is naphthenic oil.
Described accelerator is magnesium oxide and stearic acid, and both weight ratios are 10:1.
The preparation method of above-mentioned cold-resistant insualtion resin composition, comprises the following steps:
(1) by after ethylene propylene diene rubber, butadiene rubber and butadiene-styrene rubber mix homogeneously, it is placed in double screw extruder and pelletize is blended
Obtain mixed elastomer；
(2) add mixed elastomer in banbury, 10min plasticated by wood fibre, when banbury temperature reaches 150 DEG C, opens
Beginning discharging, after material cooling of plasticating, sends in banbury, is sequentially added into accelerator, fire retardant, age resistor, filler and softening
Agent, mixing 8min, when banbury temperature arrives 110 DEG C, start discharging, cooling, obtain compound；
(3) compound is put in banbury, add vulcanizing agent and cross-linking agent, 100 DEG C of mixing 5min, after cooling, send into mill
Mill, thin logical 6 times, to obtain final product.
Comparative example 1
A kind of cold-resistant insualtion resin composition, the raw material including following parts by weight makes:
Germany's bright Sheng 6850 ethylene propylene diene rubber (Ethylene mass number 53%) 86 parts, low butadiene rubber 15 parts, butadiene-styrene rubber 25
Part, fire retardant 6.5 parts, filler 90 parts, 5 parts of age resistor, vulcanizing agent 5 parts, cross-linking agent 1.1 parts, softening agent 18 parts and accelerator 6
Part.
Described fire retardant is antimony oxide and calcium carbonate, and both weight ratios are 1:1.
Described filler is white carbon black N550 and white carbon black N330, and both weight ratios are 1:1.
Described age resistor is MB and 4010NA, and both weight ratios are 1:1.
Described vulcanizing agent is cumyl peroxide.
Described cross-linking agent is penylene BMI and triallyl isocyanate between N-N, and both weight ratios are 1:
1。
Described softening agent is paraffin oil.
Described accelerator is magnesium oxide and stearic acid, and both weight ratios are 5:1.
Above-mentioned cold-resistant insualtion resin composition preparation method is shown in embodiment 3.
Comparative example 2
A kind of cold-resistant insualtion resin composition, the raw material including following parts by weight makes:
Germany's bright Sheng 6850 ethylene propylene diene rubber (Ethylene mass number 53%) 103 parts, low butadiene rubber 15 parts, wood fibre 8
Part, fire retardant 6.5 parts, filler 90 parts, 5 parts of age resistor, vulcanizing agent 5 parts, cross-linking agent 1.1 parts, softening agent 18 parts and accelerator 6
Part.
Described fire retardant is antimony oxide and calcium carbonate, and both weight ratios are 1:1.
Described filler is white carbon black N550 and white carbon black N330, and both weight ratios are 1:1.
Described age resistor is MB and 4010NA, and both weight ratios are 1:1.
Described vulcanizing agent is cumyl peroxide.
Described cross-linking agent is penylene BMI and triallyl isocyanate between N-N, and both weight ratios are 1:
1。
Described softening agent is paraffin oil.
Described accelerator is magnesium oxide and stearic acid, and both weight ratios are 5:1.
Above-mentioned cold-resistant insualtion resin composition preparation method is shown in embodiment 3.
According to " vulcanite or thermoplastic elastomer penetration hardness test method part 1: (Shao Er is hard for Shore durometer method
Degree) " (GB/T 531.1-2008), " vulcanite or the mensuration of thermoplastic elastomer tensile stress-strain performance " (GB/T528-
2009), " vulcanite or thermoplastic elastomer hot-air accelerated ageing and heat resistant test " (GB/T 3512-2014), " sulfuration rubber
Glue or thermoplastic elastomer seakeeping test method " (GB/T1690-2006), " mensuration of the cold-resistant coefficient of vulcanite compression " (HG/
T 3866-2008) and the cold-resistant insulating resin of U.S. UL94-2003 standard test embodiment of the present invention 1-7 and comparative example 1-2
The shore hardness of compositions, tensile property, ageing properties, oil resistance, cold tolerance and fire resistance, testing result see table
1。
The performance test results of the cold-resistant insualtion resin composition of table 1 embodiment of the present invention 1-7 and comparative example 1-2
As shown in Table 1, the insualtion resin composition combination property that embodiment of the present invention 1-7 is cold-resistant is far better than comparative example 1 and right
Ratio 2, the insualtion resin composition hardness that embodiment of the present invention 1-7 resists cold is good, hot strength >=19MPa, tensile elongation
≥285%。
Embodiment 3 insualtion resin composition hot strength and tensile elongation property retention after 150 DEG C of hot air agings 48h
Rate is respectively 88%, 98%, 120 DEG C of IBM903 standard oils process 48h after embodiment 3 insualtion resin composition hot strength and drawing
Stretch elongation characteristics conservation rate and be respectively 92%, 98%；Embodiment 4 insualtion resin composition stretching after 150 DEG C of hot air agings 48h
Intensity and tensile elongation property retention rate are respectively 92%, 98%, and after 120 DEG C of IBM903 standard oils process 48h, embodiment 4 is exhausted
Edge resin combination hot strength and tensile elongation property retention rate are respectively 96%, 99%, keep effective.
The cold-resistant coefficient of insualtion resin composition compression that the present invention resists cold is high, and cold tolerance is excellent, excellent fireproof performance, because of
This, the insualtion resin composition excellent combination property that the present invention resists cold.
Claims (9)
1. a cold-resistant insualtion resin composition, it is characterised in that include that the raw material of following parts by weight is made:
Ethylene propylene diene rubber 70-85 part, low butadiene rubber 10-23 part, butadiene-styrene rubber 22-34 part, wood fibre 5-15 part is fire-retardant
Agent 5-8 part, filler 80-100 part, age resistor 3-6 part, vulcanizing agent 4-8 part, cross-linking agent 1-2 part, softening agent 12-25 part and rush
Enter agent 4-10 part.
Cold-resistant insualtion resin composition the most according to claim 1, it is characterised in that described fire retardant is three oxidations
In two antimony, molybdenum dioxide, magnesium hydroxide and calcium carbonate one or more.
Cold-resistant insualtion resin composition the most according to claim 1, it is characterised in that described filler is white carbon black
In N550, white carbon black N330, white carbon black N220 and white carbon VN-3 one or more.
Cold-resistant insualtion resin composition the most according to claim 1, it is characterised in that described age resistor is age resistor
MB and antioxidant 4010NA, both weight ratios are 0.5-2:1.
Cold-resistant insualtion resin composition the most according to claim 1, it is characterised in that described vulcanizing agent is peroxidating
Diisopropylbenzene (DIPB).
Cold-resistant insualtion resin composition the most according to claim 1, it is characterised in that described cross-linking agent is between N-N
Penylene BMI, triallyl isocyanate, Triallyl isocyanurate, dimethyl allene vinyl acetate and end hydroxyl
In base polybutadiene one or more.
Cold-resistant insualtion resin composition the most according to claim 1, it is characterised in that described softening agent is paraffin
Oil, naphthenic oil or hydroxy silicon oil.
Cold-resistant insualtion resin composition the most according to claim 1, it is characterised in that described accelerator is magnesium oxide
And stearic acid, both weight ratios are 2-10:1.
9. the preparation method of the cold-resistant insualtion resin composition described in an any one of claim 1-8, it is characterised in that bag
Include following steps:
(1) by after ethylene propylene diene rubber, low butadiene rubber and butadiene-styrene rubber mix homogeneously, it is placed in double screw extruder to be blended and makes
Grain obtains mixed elastomer；
(2) add mixed elastomer in banbury, 8-12min plasticated by wood fibre, when banbury temperature reaches 140-150 DEG C
Time, start discharging, after material cooling of plasticating, send in banbury, be sequentially added into accelerator, fire retardant, age resistor, filler and
Softening agent, mixing 6-10min, when banbury temperature arrives 100-110 DEG C, start discharging, cooling, obtain compound；
(3) compound is put in banbury, add vulcanizing agent and cross-linking agent, 80-120 DEG C of mixing 3-5min, send into after cooling
Mill mill, thin logical 6-8 time, to obtain final product.
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