CN106589554A - High cold-resistant flame-retardant type polyethylene resin for cables and preparation method for polyethylene resin - Google Patents
High cold-resistant flame-retardant type polyethylene resin for cables and preparation method for polyethylene resin Download PDFInfo
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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
- 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
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- C08L23/06—Polyethene
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
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- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C08L2203/00—Applications
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- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
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Abstract
The invention discloses high cold-resistant flame-retardant type polyethylene resin for cables and a preparation method for the polyethylene resin. The resin is prepared from the following raw materials in parts by mass: 55-62 parts of polyethylene resin, 38-43 parts of chlorinated polyethylene, 1.4-1.7 parts of polyoxyalkylene modified polymethylsiloxane, 0.45-0.55 part of tert-butyl peroxypivalate, 0.45-0.55 part of cumyl peroxyneodecanoate, 0.48-0.54 part of 1,1,3-tri(2-methyl-4-hydroxyl-5-tert-butylphenyl)butane, 0.64-0.72 part of 1,3,5-trimethyl-2,4,6-tri(3,5-di-tert-butyl-4-hydroxylbenzyl)benzene, 5-7 parts of active magnesium hydroxide, 0.8-1.0 part of vulcanizing agent T1681 and 1.1-1.3 parts of N,N'-m-phenylenebismaleimide. The resin disclosed by the invention has excellent cold resistance and flame retardance and is applicable to cable sheath materials.
Description
Technical field
The present invention relates to cable field of material technology, specifically a kind of cable with high cold-resistant flame retardant type polyvinyl resin and
Its preparation method.
Background technology
The cold tolerance of existing cable jacket material is poor, and when environment temperature is less than -10 DEG C, hardness increases, and elasticity becomes
Difference, intensity decreases, or even embrittlement affect to use, in China northeast, northwest extremely frigid zones, as little as -40 DEG C of temperature during severe winter with
Under, the cable jacket material of prior art can not meet these requirements.
Polyethylene（Polyethylene, abbreviation PE）It is a kind of aggregated obtained thermoplastic resin of ethene.Industrially,
Also the copolymer of ethene and a small amount of alpha-olefin is included.Polyethylene odorless, nontoxic, feel ceraceous, with excellent resistance to low temperature
（Minimum use temperature is reachable -100--70 DEG C）, chemical stability is good, is resistant to the erosion of most of soda acids（Intolerant to oxidisability
The acid of matter）.Common solvent is not dissolved under normal temperature, water imbibition is little, and electrical insulating property is excellent.Because polyvinyl resin belongs to macromolecule material
Material, when macromolecular material is heated in atmosphere, production volatile fuel can be decomposed, when combustible concentration and system temperature it is enough
Gao Shi, you can burning, therefore, the anti-flammability of polyvinyl resin just becomes everybody problem of interest.
The fire retardant for being presently used for polyvinyl resin is broadly divided into two big class：One class is halogen, antimony fire retardant, once
Igniting can produce substantial amounts of poisonous and hazardous gas, and impact people's is healthy, pollute environment and corrosion of mechanical equipment, and should
The use of based flame retardant occupies great majority；Another kind of is inorganic combustion inhibitor, due to the addition of inorganic combustion inhibitor it is big so that material
Mechanical property significantly decline, it is impossible to for manufacture fire retarding conveying band, cable, auto parts machinery, track traffic shock absorber part etc. weight
The product wanted.
The content of the invention
It is an object of the invention to provide a kind of cold-resistant flame retardant type polyvinyl resin of height suitable for cable jacket material and its
Preparation method.
For achieving the above object, the present invention provides following technical scheme：
A kind of cable, according to mass fraction meter, is made up of with high cold-resistant flame retardant type polyvinyl resin following raw material：Polyvinyl resin
55-62 parts, haloflex 38-43 parts, the modified polymethyl siloxane 1.4-1.7 parts of polyoxyalkylene, peroxidating neopentanoic acid uncle
Butyl ester 0.45-0.55 parts, cumyl peroxyneodecanoate 0.45-0.55 part, (the tertiary fourths of 2- methyl -4- hydroxyl -5- of 1,1,3- tri-
Phenyl) butane 0.48-0.54 parts, 1,3,5- trimethyls -2,4,6- three (3,5- di-tert-butyl-4-hydroxyl benzyls) benzene 0.64-
0.72 part, active magnesium hydroxide 5-7 parts, vulcanizing agent T1681 0.8-1.0 parts, N, a N '-penylene BMI 1.1-1.3
Part；Wherein, the mass fraction sum of tert-Butyl peroxypivalate and cumyl peroxyneodecanoate is 1 part, 1,1,3- tri-
(2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases) butane：1,3,5- trimethyls -2,4,6- three (3,5- di-tert-butyl-4-hydroxyl benzyls)
The mass ratio of benzene is 3：4.
As further scheme of the invention：According to mass fraction meter, it is made up of following raw material：Polyvinyl resin 57-60
Part, haloflex 40-42 parts, the modified polymethyl siloxane 1.5-1.6 parts of polyoxyalkylene, tert-Butyl peroxypivalate
0.48-0.52 parts, cumyl peroxyneodecanoate 0.48-0.52 part, (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropanes of 1,1,3- tri-
Base) butane 0.48-0.51 parts, 1,3,5- trimethyls -2,4,6- three (3,5- di-tert-butyl-4-hydroxyl benzyls) benzene 0.64-0.68
Part, active magnesium hydroxide 5.8-6.4 parts, vulcanizing agent T1681 0.88-0.96 parts, N, a N '-penylene BMI 1.19-
1.23 part.
As further scheme of the invention：According to mass fraction meter, it is made up of following raw material：58 parts of polyvinyl resin,
41 parts of haloflex, polyoxyalkylene are modified 1.55 parts of polymethyl siloxane, 0.51 part of tert-Butyl peroxypivalate, peroxide
Change 0.49 part of neodecanoic acid isopropyl phenyl ester, 1,1,3- tri- (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases) 0.51 part of butane, 1,3,5- tri-
0.68 part of methyl -2,4,6- three (3,5- di-tert-butyl-4-hydroxyl benzyls) benzene, active 6.2 parts of magnesium hydroxide, vulcanizing agent T1681
0.93 part, N, N ' -1.22 parts of a penylene BMI.
As further scheme of the invention：The preparation process of described active magnesium hydroxide is：According to magnesium hydroxide：Water
Mass ratio be 1：The ratio of 2-3, magnesium hydroxide is mixed with water, and with the speed of 140-160r/min 20-25min is stirred, and is obtained
To suspension；According to magnesium hydroxide：The mass ratio of ammonium acetate solution is 1：The ratio of 8.3-9.4, pours magnesium hydroxide into quality
During concentration is for the ammonium acetate solution of 28-32%, 30-40min is stirred with the speed of 120-140r/min, obtain mixed solution；According to
Suspension：The volume ratio of mixed solution is 1：6-8, suspension is mixed with mixed solution, with power as 220-240W, frequency be
Ultrasonication 14-18min of 26-28kHz, the temperature that solution is controlled during ultrasonication is not higher than 50 DEG C, Jing 4500-
The centrifugation 2-3min of 4800r/min, obtains active magnesium hydroxide crude product；Active magnesium hydroxide crude product two or three is rinsed with clear water
Time, dry at a temperature of being then placed in 65-70 DEG C, obtain active magnesium hydroxide.
As further scheme of the invention：Magnesium hydroxide and the mass ratio of water are 1 in described suspension：2.8, it is described
Mixed solution in the mass ratio of magnesium hydroxide and ammonium acetate solution be 1：8.8, the mass concentration of described ammonium acetate solution is
30%；Described suspension is 1 with the volume ratio of mixed solution：7.
As further scheme of the invention：The power of described ultrasonication is 230W, frequency is 28kHz, is processed
Time is 15min.
As further scheme of the invention：Described polyvinyl resin is the medium density polyethylene of powdery, and density is
0.938-0.945g/cm3, melt index is 3.5-5.0g/10min.
The described cable preparation method of high cold-resistant flame retardant type polyvinyl resin, comprises the following steps：
（1）Successively by polyvinyl resin, polyoxyalkylene modified polymethyl siloxane, tert-Butyl peroxypivalate, peroxidating
Neodecanoic acid isopropyl phenyl ester, 1,1,3- tri- (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases) butane, 1,3,5- trimethyls -2,4,6- three
It is 130-135 DEG C, speed in temperature in (3,5- di-tert-butyl-4-hydroxyl benzyl) benzene, active magnesium hydroxide input high-speed mixer
Spend to mix 12-15min under conditions of 1800-2000r/min, obtain premix；
（2）After premix is cooled to room temperature, in transferring them to cold mixing device, haloflex, sulphur are added thereto successively
Agent T1681, N, a N '-penylene BMI mixes 6-8min with the speed of 450-500r/min at normal temperatures, obtains
Compound；
（3）By compound by dual-screw pelletizer, in the bar that temperature is 150-158 DEG C, screw speed is 300-320r/min
Granulate under part, obtain described cable with high cold-resistant flame retardant type base polyethylene resin.
As further scheme of the invention：Described step（1）In, mixing temperature is 133 DEG C, and speed is 2000r/
Min, the time is 14min；Described step（2）In, mixing velocity is 480r/min, and the time is 7min；Described step（3）
In, prilling temperature is 155 DEG C, and screw speed is 320r/min.
High cold-resistant application of the flame retardant type polyvinyl resin in terms of cable jacket material is prepared of described cable.
Compared with prior art, the invention has the beneficial effects as follows：The present invention is based on polyvinyl resin and haloflex
Body, with the modified polymethyl siloxane of polyoxyalkylene as silane coupler, with vulcanizing agent T1681, N, a N '-penylene span carrys out acyl
The mixture of imines is vulcanizing system, in active magnesium hydroxide fire retardants, tert-Butyl peroxypivalate and peroxidating neodecanoic acid
Initiator that isopropyl phenyl ester is mixed, mass ratio are 3：4 1,1,3- tri- (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases) butane
With the effect of the mixing antioxidant of 1,3,5- trimethyls -2,4,6- three (3,5- di-tert-butyl-4-hydroxyl benzyls) benzene compounding
Under, the tensile strength of obtained polyvinyl resin is 17.4-17.9MPa, and elongation rate of tensile failure is 545-557%, and abrasion loss is 105-
122mm2, alcohol blast burner burning time is 0.52-0.76s, and the resisting environmental stress and cracking time is 109-125h；- 60 DEG C of stretchings are resistance to
Cold coefficient is 0.45-0.48, and the stretching strength retentivity of 70 DEG C of hot air agings 168h is 104-107%, elongation rate of tensile failure holding
Rate is 92-96%, and back mixing after-drawing strength retention is 94-97%, elongation rate of tensile failure conservation rate is 92-96%.Polyethylene of the present invention
Resin has excellent cold tolerance, fire resistance, it is adaptable to make cable jacket material.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of cable cold-resistant flame retardant type polyvinyl resin of height, according to mass fraction meter, by following raw material
Composition：55 parts of polyvinyl resin, 43 parts of haloflex, polyoxyalkylene are modified 1.4 parts of polymethyl siloxane, peroxidating new penta
0.55 part of tert-butyl acrylate, 0.45 part of cumyl peroxyneodecanoate, 1,1,3- tri- (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases)
0.54 part of butane, 0.72 part of 1,3,5- trimethyls -2,4,6- three (3,5- di-tert-butyl-4-hydroxyl benzyls) benzene, active hydroxide
5 parts of magnesium, 1.0 parts of vulcanizing agent T1681, N, N ' -1.1 parts of a penylene BMI；Polyvinyl resin is the Midst density of powdery
Polyethylene, density is 0.938-0.945g/cm3, melt index is 3.5-5.0g/10min；The preparation process of active magnesium hydroxide
For：According to magnesium hydroxide：The mass ratio of water is 1：2 ratio, magnesium hydroxide is mixed with water, is stirred with the speed of 140r/min
25min, obtains suspension；According to magnesium hydroxide：The mass ratio of ammonium acetate solution is 1：8.3 ratio, magnesium hydroxide is poured into
Mass concentration is in 32% ammonium acetate solution, with the speed of 120r/min 40min to be stirred, and obtains mixed solution；According to suspension
Liquid：The volume ratio of mixed solution is 1：6, suspension is mixed with mixed solution, with power as 220W, frequency it is super as 26kHz
Sonicated 18min, the temperature that solution is controlled during ultrasonication is not higher than 50 DEG C, the centrifugation of Jing 4500r/min
3min, obtains active magnesium hydroxide crude product；Active magnesium hydroxide crude product two or three time is rinsed with clear water, is then placed at a temperature of 65 DEG C
Drying, obtains active magnesium hydroxide.
The described cable preparation method of high cold-resistant flame retardant type polyvinyl resin, comprises the following steps：
（1）Successively by polyvinyl resin, polyoxyalkylene modified polymethyl siloxane, tert-Butyl peroxypivalate, peroxidating
Neodecanoic acid isopropyl phenyl ester, 1,1,3- tri- (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases) butane, 1,3,5- trimethyls -2,4,6- three
In (3,5- di-tert-butyl-4-hydroxyl benzyl) benzene, active magnesium hydroxide input high-speed mixer, temperature be 130 DEG C, speed be
Mix 15min under conditions of 1800r/min, obtain premix；
（2）After premix is cooled to room temperature, in transferring them to cold mixing device, haloflex, sulphur are added thereto successively
Agent T1681, N, a N '-penylene BMI mixes 8min with the speed of 450r/min at normal temperatures, is mixed
Material；
（3）By compound by dual-screw pelletizer, temperature be 150 DEG C, screw speed be 320r/min under conditions of granulate,
Described cable is obtained with high cold-resistant flame retardant type base polyethylene resin.
Embodiment 2
In the embodiment of the present invention, a kind of cable cold-resistant flame retardant type polyvinyl resin of height, according to mass fraction meter, by following raw material
Composition：62 parts of polyvinyl resin, 38 parts of haloflex, polyoxyalkylene are modified 1.7 parts of polymethyl siloxane, peroxidating new penta
0.45 part of tert-butyl acrylate, 0.55 part of cumyl peroxyneodecanoate, 1,1,3- tri- (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases)
0.48 part of butane, 0.64 part of 1,3,5- trimethyls -2,4,6- three (3,5- di-tert-butyl-4-hydroxyl benzyls) benzene, active hydroxide
7 parts of magnesium, 0.8 part of vulcanizing agent T1681, N, N ' -1.3 parts of a penylene BMI；Polyvinyl resin is the Midst density of powdery
Polyethylene, density is 0.938-0.945g/cm3, melt index is 3.5-5.0g/10min；The preparation process of active magnesium hydroxide
For：According to magnesium hydroxide：The mass ratio of water is 1：3 ratio, magnesium hydroxide is mixed with water, is stirred with the speed of 160r/min
20min, obtains suspension；According to magnesium hydroxide：The mass ratio of ammonium acetate solution is 1：9.4 ratio, magnesium hydroxide is poured into
Mass concentration is in 28% ammonium acetate solution, with the speed of 140r/min 30min to be stirred, and obtains mixed solution；According to suspension
Liquid：The volume ratio of mixed solution is 1：8, suspension is mixed with mixed solution, with power as 240W, frequency it is super as 28kHz
Sonicated 14min, the temperature that solution is controlled during ultrasonication is not higher than 50 DEG C, the centrifugation of Jing 4800r/min
2min, obtains active magnesium hydroxide crude product；Active magnesium hydroxide crude product two or three time is rinsed with clear water, is then placed at a temperature of 70 DEG C
Drying, obtains active magnesium hydroxide.
The described cable preparation method of high cold-resistant flame retardant type polyvinyl resin, comprises the following steps：
（1）Successively by polyvinyl resin, polyoxyalkylene modified polymethyl siloxane, tert-Butyl peroxypivalate, peroxidating
Neodecanoic acid isopropyl phenyl ester, 1,1,3- tri- (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases) butane, 1,3,5- trimethyls -2,4,6- three
In (3,5- di-tert-butyl-4-hydroxyl benzyl) benzene, active magnesium hydroxide input high-speed mixer, temperature be 135 DEG C, speed be
Mix 12min under conditions of 2000r/min, obtain premix；
（2）After premix is cooled to room temperature, in transferring them to cold mixing device, haloflex, sulphur are added thereto successively
Agent T1681, N, a N '-penylene BMI mixes 6min with the speed of 500r/min at normal temperatures, is mixed
Material；
（3）By compound by dual-screw pelletizer, temperature be 158 DEG C, screw speed be 300r/min under conditions of granulate,
Described cable is obtained with high cold-resistant flame retardant type base polyethylene resin.
Embodiment 3
In the embodiment of the present invention, a kind of cable cold-resistant flame retardant type polyvinyl resin of height, according to mass fraction meter, by following raw material
Composition：57 parts of polyvinyl resin, 42 parts of haloflex, polyoxyalkylene are modified 1.5 parts of polymethyl siloxane, peroxidating new penta
0.52 part of tert-butyl acrylate, 0.48 part of cumyl peroxyneodecanoate, 1,1,3- tri- (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases)
0.51 part of butane, 0.68 part of 1,3,5- trimethyls -2,4,6- three (3,5- di-tert-butyl-4-hydroxyl benzyls) benzene, active hydroxide
5.8 parts of magnesium, 0.96 part of vulcanizing agent T1681, N, N ' -1.19 parts of a penylene BMI；In polyvinyl resin powdery
Density polyethylene, density is 0.938-0.945g/cm3, melt index is 3.5-5.0g/10min；The preparation of active magnesium hydroxide
Step is：According to magnesium hydroxide：The mass ratio of water is 1：2 ratio, magnesium hydroxide is mixed with water, with the speed of 140r/min
Stirring 25min, obtains suspension；According to magnesium hydroxide：The mass ratio of ammonium acetate solution is 1：8.3 ratio, by magnesium hydroxide
In pouring the ammonium acetate solution that mass concentration is 32% into, 40min is stirred with the speed of 120r/min, obtain mixed solution；According to mixed
Suspension：The volume ratio of mixed solution is 1：6, suspension is mixed with mixed solution, with power as 220W, frequency is as 26kHz
Ultrasonication 18min, the temperature that solution is controlled during ultrasonication is not higher than 50 DEG C, the speed of Jing 4500r/min from
Heart 3min, obtains active magnesium hydroxide crude product；Active magnesium hydroxide crude product two or three time is rinsed with clear water, 65 DEG C of temperature are then placed in
Lower drying, obtains active magnesium hydroxide.
The described cable preparation method of high cold-resistant flame retardant type polyvinyl resin, comprises the following steps：
（1）Successively by polyvinyl resin, polyoxyalkylene modified polymethyl siloxane, tert-Butyl peroxypivalate, peroxidating
Neodecanoic acid isopropyl phenyl ester, 1,1,3- tri- (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases) butane, 1,3,5- trimethyls -2,4,6- three
In (3,5- di-tert-butyl-4-hydroxyl benzyl) benzene, active magnesium hydroxide input high-speed mixer, temperature be 13 DEG C, speed be
Mix 14min under conditions of 2000r/min, obtain premix；
（2）After premix is cooled to room temperature, in transferring them to cold mixing device, haloflex, sulphur are added thereto successively
Agent T1681, N, a N '-penylene BMI mixes 7min with the speed of 480r/min at normal temperatures, is mixed
Material；
（3）By compound by dual-screw pelletizer, temperature be 155 DEG C, screw speed be 320r/min under conditions of granulate,
Described cable is obtained with high cold-resistant flame retardant type base polyethylene resin.
Embodiment 4
In the embodiment of the present invention, a kind of cable cold-resistant flame retardant type polyvinyl resin of height, according to mass fraction meter, by following raw material
Composition：60 parts of polyvinyl resin, 40 parts of haloflex, polyoxyalkylene are modified 1.6 parts of polymethyl siloxane, peroxidating new penta
0.48 part of tert-butyl acrylate, 0.52 part of cumyl peroxyneodecanoate, 1,1,3- tri- (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases)
0.48 part of butane, 0.64 part of 1,3,5- trimethyls -2,4,6- three (3,5- di-tert-butyl-4-hydroxyl benzyls) benzene, active hydroxide
6.4 parts of magnesium, 0.88 part of vulcanizing agent T1681, N, N ' -1.23 parts of a penylene BMI；In polyvinyl resin powdery
Density polyethylene, density is 0.938-0.945g/cm3, melt index is 3.5-5.0g/10min；The preparation of active magnesium hydroxide
Step is：According to magnesium hydroxide：The mass ratio of water is 1：3 ratio, magnesium hydroxide is mixed with water, with the speed of 160r/min
Stirring 20min, obtains suspension；According to magnesium hydroxide：The mass ratio of ammonium acetate solution is 1：9.4 ratio, by magnesium hydroxide
In pouring the ammonium acetate solution that mass concentration is 28% into, 30min is stirred with the speed of 140r/min, obtain mixed solution；According to mixed
Suspension：The volume ratio of mixed solution is 1：8, suspension is mixed with mixed solution, with power as 240W, frequency is as 28kHz
Ultrasonication 14min, the temperature that solution is controlled during ultrasonication is not higher than 50 DEG C, the speed of Jing 4800r/min from
Heart 2min, obtains active magnesium hydroxide crude product；Active magnesium hydroxide crude product two or three time is rinsed with clear water, 70 DEG C of temperature are then placed in
Lower drying, obtains active magnesium hydroxide.
The described cable preparation method of high cold-resistant flame retardant type polyvinyl resin, it is same as Example 3.
Embodiment 5
In the embodiment of the present invention, a kind of cable cold-resistant flame retardant type polyvinyl resin of height, according to mass fraction meter, by following raw material
Composition：Be modified 1.55 parts of polymethyl siloxane, the peroxidating of 58 parts of polyvinyl resin, 41 parts of haloflex, polyoxyalkylene is new
0.51 part of pentanoate, 0.49 part of the cumyl peroxyneodecanoate, (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropanes of 1,1,3- tri-
Base) 0.51 part of butane, 0.68 part of 1,3,5- trimethyls -2,4,6- three (3,5- di-tert-butyl-4-hydroxyl benzyls) benzene, active hydrogen-oxygen
Change 6.2 parts of magnesium, 0.93 part of vulcanizing agent T1681, N, N ' -1.22 parts of a penylene BMI；Polyvinyl resin is powdery
Medium density polyethylene, density is 0.938-0.945g/cm3, melt index is 3.5-5.0g/10min；The system of active magnesium hydroxide
It is for step：According to magnesium hydroxide：The mass ratio of water is 1：2.8 ratio, magnesium hydroxide is mixed with water, with 150r/min's
Speed stirs 24min, obtains suspension；According to magnesium hydroxide：The mass ratio of ammonium acetate solution is 1：8.8 ratio, by hydrogen-oxygen
Change magnesium to pour in the ammonium acetate solution that mass concentration is 30%, 36min is stirred with the speed of 130r/min, obtain mixed solution；Press
According to suspension：The volume ratio of mixed solution is 1：7, suspension is mixed with mixed solution, with power as 230W, frequency be
Ultrasonication 15min of 28kHz, the temperature that solution is controlled during ultrasonication is not higher than 50 DEG C, Jing 4600r/min's
Centrifugation 3min, obtains active magnesium hydroxide crude product；Active magnesium hydroxide crude product two or three time is rinsed with clear water, 68 are then placed in
Dry at a temperature of DEG C, obtain active magnesium hydroxide.
The described cable preparation method of high cold-resistant flame retardant type polyvinyl resin, it is same as Example 3.
Comparative example 1
On the basis of embodiment 5, active magnesium hydroxide is replaced with magnesium hydroxide, remaining is identical with embodiment 5.
Comparative example 2
On the basis of embodiment 5, cumyl peroxyneodecanoate, remaining and enforcement are replaced with tert-Butyl peroxypivalate
Example 5 is identical.
Comparative example 3
On the basis of embodiment 5, tert-Butyl peroxypivalate, remaining and enforcement are replaced with cumyl peroxyneodecanoate
Example 5 is identical.
Comparative example 4
On the basis of embodiment 5, with 1,1,3- tri- (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases) butane replaces 1,3,5- front threes
Base -2,4,6- tri- (3,5- di-tert-butyl-4-hydroxyl benzyl) benzene, remaining is identical with embodiment 5.
Comparative example 5
On the basis of embodiment 5, with 1,3,5- trimethyl -2,4,6- tri- (3,5- di-tert-butyl-4-hydroxyl benzyl) benzene replace
1,1,3- tri- (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases) butane, remaining is identical with embodiment 5.
With above-described embodiment 1-5 and obtained in comparative example 1-5, polyvinyl resin, as test object, is drawn it first
Intensity, elongation rate of tensile failure, abrasion loss, alcohol blast burner burning time, the test of resisting environmental stress and cracking time are stretched, then is entered respectively
- 60 DEG C of low temperature resistant tests of row, 70 DEG C of hot air aging 168h tests, back mixing tests, the result for measuring is listed in table 1.
The Performance comparision of polyvinyl resin obtained in each example of table 1
As can be seen from Table 1：The tensile strength of obtained polyvinyl resin of the invention is 17.4-17.9MPa, and elongation rate of tensile failure is
545-557%, abrasion loss is 105-122mm2, alcohol blast burner burning time is 0.52-0.76s, and the resisting environmental stress and cracking time is
109-125h；- 60 DEG C of stretchings resist cold coefficient for 0.45-0.48, and the stretching strength retentivity of 70 DEG C of hot air agings 168h is
104-107%, elongation rate of tensile failure conservation rate are 92-96%, and back mixing after-drawing strength retention is 94-97%, elongation rate of tensile failure holding
Rate is 92-96%；Compared with comparative example, the cold tolerance of polyvinyl resin obtained in embodiment, fire resistance and remaining performance
It is significantly better than comparative example；Especially embodiment 5 and comparative example 1-5 are compared, it can be found that polyvinyl resin of the present invention is
In the initiation that active magnesium hydroxide fire retardants, tert-Butyl peroxypivalate and cumyl peroxyneodecanoate are mixed
Agent, mass ratio are 3：4 (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases) butane of 1,1,3- tri- and 1,3,5- trimethyls -2,4,6- three
Under the mixing antioxidant of (3,5- di-tert-butyl-4-hydroxyl benzyl) benzene compounding and the synergy of remaining component, just have
There is so excellent cold tolerance, fire resistance, polyvinyl resin of the present invention is applied to making cable jacket material.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity those skilled in the art should
Using specification as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (10)
1. a kind of cable is with high cold-resistant flame retardant type polyvinyl resin, it is characterised in that according to mass fraction meter, by following raw material group
Into：Polyvinyl resin 55-62 parts, haloflex 38-43 parts, the modified polymethyl siloxane 1.4-1.7 parts of polyoxyalkylene, mistake
Oxidation neopentanoic acid tert-butyl ester 0.45-0.55 parts, cumyl peroxyneodecanoate 0.45-0.55 part, 1,1,3- tri- (2- methyl-
4- hydroxyl -5- 2-methyl-2-phenylpropane bases) butane 0.48-0.54 parts, (3,5- di-t-butyl -4- hydroxyl the benzyls of 1,3,5- trimethyls -2,4,6- three
Base) benzene 0.64-0.72 parts, active magnesium hydroxide 5-7 parts, vulcanizing agent T1681 0.8-1.0 parts, N, a N '-penylene span carrys out acyl
Imines 1.1-1.3 parts；Wherein, tert-Butyl peroxypivalate and the mass fraction sum of cumyl peroxyneodecanoate are 1
Part, 1,1,3- tri- (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases) butane：1,3,5- trimethyls -2,4,6- three (3,5- di-t-butyls -
4- hydroxybenzyls) benzene mass ratio be 3：4.
2. cable according to claim 1 is with high cold-resistant flame retardant type polyvinyl resin, it is characterised in that according to mass fraction
Meter, is made up of following raw material：Polyvinyl resin 57-60 parts, haloflex 40-42 parts, polyoxyalkylene are modified poly- methyl silicon
Oxygen alkane 1.5-1.6 parts, tert-Butyl peroxypivalate 0.48-0.52 parts, cumyl peroxyneodecanoate 0.48-0.52 part,
1,1,3- tri- (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases) butane 0.48-0.51 parts, (3,5- of 1,3,5- trimethyls -2,4,6- three
Di-tert-butyl-4-hydroxyl benzyl) benzene 0.64-0.68 parts, active magnesium hydroxide 5.8-6.4 parts, vulcanizing agent T1681 0.88-0.96
Part, N, N '-penylene BMI 1.19-1.23 parts.
3. cable according to claim 2 is with high cold-resistant flame retardant type polyvinyl resin, it is characterised in that according to mass fraction
Meter, is made up of following raw material：58 parts of polyvinyl resin, 41 parts of haloflex, polyoxyalkylene are modified polymethyl siloxane
1.55 parts, 0.51 part of tert-Butyl peroxypivalate, 0.49 part of cumyl peroxyneodecanoate, (2- methyl-the 4- of 1,1,3- tri-
Hydroxyl -5- 2-methyl-2-phenylpropane bases) 0.51 part of butane, 1,3,5- trimethyls -2,4,6- three (3,5- di-tert-butyl-4-hydroxyl benzyls) benzene
0.68 part, active 6.2 parts of magnesium hydroxide, 0.93 part of vulcanizing agent T1681, N, N ' -1.22 parts of a penylene BMI.
4. cable according to claim 1 is with high cold-resistant flame retardant type polyvinyl resin, it is characterised in that described reactive hydrogen
The preparation process of magnesia is：According to magnesium hydroxide：The mass ratio of water is 1：The ratio of 2-3, magnesium hydroxide is mixed with water, with
The speed stirring 20-25min of 140-160r/min, obtains suspension；According to magnesium hydroxide：The mass ratio of ammonium acetate solution is 1：
The ratio of 8.3-9.4, magnesium hydroxide is poured in the ammonium acetate solution that mass concentration is 28-32%, with the speed of 120-140r/min
Degree stirring 30-40min, obtains mixed solution；According to suspension：The volume ratio of mixed solution is 1：6-8, by suspension with mix
Solution mixes, with power as 220-240W, ultrasonication 14-18min of the frequency as 26-28kHz, during ultrasonication
The temperature of control solution is not higher than 50 DEG C, and the centrifugation 2-3min of Jing 4500-4800r/min obtains active magnesium hydroxide thick
Product；Active magnesium hydroxide crude product two or three time is rinsed with clear water, is dried at a temperature of being then placed in 65-70 DEG C, obtain active hydroxide
Magnesium.
5. cable according to claim 4 is with high cold-resistant flame retardant type polyvinyl resin, it is characterised in that described suspension
Middle magnesium hydroxide is 1 with the mass ratio of water：2.8, magnesium hydroxide is with the mass ratio of ammonium acetate solution in described mixed solution
1：8.8, the mass concentration of described ammonium acetate solution is 30%；Described suspension is 1 with the volume ratio of mixed solution：7.
6. cable according to claim 4 is with high cold-resistant flame retardant type polyvinyl resin, it is characterised in that described ultrasonic wave
The power of process is 230W, frequency is 28kHz, and process time is 15min.
7. cable according to claim 1 is with high cold-resistant flame retardant type polyvinyl resin, it is characterised in that described polyethylene
Resin is the medium density polyethylene of powdery, and density is 0.938-0.945g/cm3, melt index is 3.5-5.0g/10min.
8. the preparation method of high cold-resistant flame retardant type polyvinyl resin, its feature are used according to the arbitrary described cable of claim 1-7
It is to comprise the following steps：
（1）Successively by polyvinyl resin, polyoxyalkylene modified polymethyl siloxane, tert-Butyl peroxypivalate, peroxidating
Neodecanoic acid isopropyl phenyl ester, 1,1,3- tri- (2- methyl -4- hydroxyl -5- 2-methyl-2-phenylpropane bases) butane, 1,3,5- trimethyls -2,4,6- three
It is 130-135 DEG C, speed in temperature in (3,5- di-tert-butyl-4-hydroxyl benzyl) benzene, active magnesium hydroxide input high-speed mixer
Spend to mix 12-15min under conditions of 1800-2000r/min, obtain premix；
（2）After premix is cooled to room temperature, in transferring them to cold mixing device, haloflex, sulphur are added thereto successively
Agent T1681, N, a N '-penylene BMI mixes 6-8min with the speed of 450-500r/min at normal temperatures, obtains
Compound；
（3）By compound by dual-screw pelletizer, in the bar that temperature is 150-158 DEG C, screw speed is 300-320r/min
Granulate under part, obtain described cable with high cold-resistant flame retardant type base polyethylene resin.
9. the cable according to claim 8 preparation method of high cold-resistant flame retardant type polyvinyl resin, it is characterised in that institute
The step of stating（1）In, mixing temperature is 133 DEG C, and speed is 2000r/min, and the time is 14min；Described step（2）In, mix
Sum velocity is 480r/min, and the time is 7min；Described step（3）In, prilling temperature is 155 DEG C, and screw speed is 320r/
min。
10. cable jacket material is being prepared according to the high cold-resistant flame retardant type polyvinyl resin of the arbitrary described cable of claim 1-7
The application of aspect.
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| CN201611234189.6A CN106589554A (en) | 2016-12-28 | 2016-12-28 | High cold-resistant flame-retardant type polyethylene resin for cables and preparation method for polyethylene resin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884891A (en) * | 2017-12-27 | 2018-04-06 | 江苏亨通光电股份有限公司 | A kind of high density resistance to compression fiber bundle optical cable for data center |
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| EP0370517A2 (en) * | 1988-11-25 | 1990-05-30 | Nippon Unicar Company Limited | Flame retardant composition |
| US20060270783A1 (en) * | 2003-09-15 | 2006-11-30 | Dayco Products, Llc | Elastomer compositions for use in a hydrocarbon resistant hose |
| CN101407611A (en) * | 2008-11-11 | 2009-04-15 | 丹东德成化工有限公司 | Thermoplastic sheath material for electric power and control cable |
| CN102660108A (en) * | 2012-04-11 | 2012-09-12 | 才塑高分子材料（上海）有限公司 | Weatherable irradiation crosslinking cable material |
| CN203480893U (en) * | 2013-09-23 | 2014-03-12 | 江西太平洋电缆有限公司 | Single-core insulated water-blocking cable |
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2016
- 2016-12-28 CN CN201611234189.6A patent/CN106589554A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0370517A2 (en) * | 1988-11-25 | 1990-05-30 | Nippon Unicar Company Limited | Flame retardant composition |
| US20060270783A1 (en) * | 2003-09-15 | 2006-11-30 | Dayco Products, Llc | Elastomer compositions for use in a hydrocarbon resistant hose |
| CN101407611A (en) * | 2008-11-11 | 2009-04-15 | 丹东德成化工有限公司 | Thermoplastic sheath material for electric power and control cable |
| CN102660108A (en) * | 2012-04-11 | 2012-09-12 | 才塑高分子材料（上海）有限公司 | Weatherable irradiation crosslinking cable material |
| CN203480893U (en) * | 2013-09-23 | 2014-03-12 | 江西太平洋电缆有限公司 | Single-core insulated water-blocking cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884891A (en) * | 2017-12-27 | 2018-04-06 | 江苏亨通光电股份有限公司 | A kind of high density resistance to compression fiber bundle optical cable for data center |
| CN107884891B (en) * | 2017-12-27 | 2024-06-14 | 江苏亨通光电股份有限公司 | High-density compression-resistant optical fiber bundle cable for data center |
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