CN107603233A - A kind of preparation method of used in nuclear power station polar core cable sheath material - Google Patents
A kind of preparation method of used in nuclear power station polar core cable sheath material Download PDFInfo
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- CN107603233A CN107603233A CN201710834994.0A CN201710834994A CN107603233A CN 107603233 A CN107603233 A CN 107603233A CN 201710834994 A CN201710834994 A CN 201710834994A CN 107603233 A CN107603233 A CN 107603233A
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Abstract
The invention discloses a kind of preparation method of used in nuclear power station polar core cable sheath material, comprise the following steps：Methyl vinyl phenyl silicon raw rubber, phenylene silicone rubber, polyurethane rubber, powdered whiting, magnesium hydroxide, modified poly (ethylene glycol), trioctyl trimellitate (TOTM), pentaerythritol fatty acid ester are placed in banbury, heated up under stirring, insulation, add PLA, dibenzoyl peroxide, dibutyl tin dilaurate, epoxidized soybean oil, continue to stir, shaping obtains used in nuclear power station polar core cable sheath material.Modified poly (ethylene glycol) is prepared using following technique：Polyethylene glycol, graphene are mixed, heating stirring, add silane coupler and continue to stir, dry, formaldehyde, phenol, potassium hydroxide is added to be well mixed, regulation system pH value is 7.6 7.8, adjusts temperature, stirring, cooling, urea stirring is added, uses saturated oxalic acid regulation system pH value to continue stirring for 3 3.6 and obtain modified poly (ethylene glycol).
Description
Technical field
The present invention relates to cable cover(ing) technical field, more particularly to a kind of preparation of used in nuclear power station polar core cable sheath material
Method.
Background technology
Cable to transmit electric energy, information and realize electromagnetic energy conversion wire product.Typically by several or several groups are led
The cable of at least two similar ropes being twisted of every group of line, mutually insulated between every group of wire, and often in one
The heart is twisted into, and whole outside is surrounded by the insulating barrier of high-insulation, and electric wire mainly includes insulated electric conductor, power cable, communication electricity
Cable and optical cable etc..Polar core cable is generally used under the outer earthquake load of nuclear power plant containment shell, can ensure that emergency shut-down, containment every
From the emergent cooling of reactor core, reactor waste export, cable for nuclear power station also has the problem of heat endurance deficiency at present, it would be highly desirable to
Solve.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of used in nuclear power station polar core cable sheath material
Preparation method, simple to operate, cost is cheap, and performance is good, has reliable mechanical property, and not only tensile strength is stretched with fracture
Long rate is high, and has excellent heat endurance, suitable for nuclear power station.
A kind of preparation method of used in nuclear power station polar core cable sheath material proposed by the present invention, comprises the following steps：By first
Base ethenylphenyl silicon raw rubber, phenylene silicone rubber, polyurethane rubber, powdered whiting, magnesium hydroxide, modified poly (ethylene glycol), partially
The monooctyl ester of benzenetricarboxylic acid three, pentaerythritol fatty acid ester are placed in banbury, are heated up under stirring, insulation, add PLA, peroxidating two
Benzoyl, dibutyl tin dilaurate, epoxidized soybean oil, continue to stir, shaping obtains used in nuclear power station polar core cable sheath material.
Preferably, methyl vinyl phenyl silicon raw rubber, phenylene silicone rubber, polyurethane rubber, powdered whiting, hydroxide
Magnesium, modified poly (ethylene glycol), trioctyl trimellitate (TOTM), pentaerythritol fatty acid ester, PLA, dibenzoyl peroxide, dibutyl tin
Cinnamic acid tin, the weight ratio of epoxidized soybean oil are 90-100：20-40：10-16：50-65：2-4：30-40：4-8：2-4：2-4：3-
5：1-2：2-4.
Preferably, comprise the following steps：By weight by 90-100 part methyl vinyl phenyls silicon raw rubber, 20-40 part benzene
Support silicon rubber, 10-16 parts polyurethane rubber, 50-65 parts powdered whiting, 2-4 parts magnesium hydroxide, the poly- second two of 30-40 parts modification
Alcohol, 4-8 parts trioctyl trimellitate (TOTM), 2-4 part pentaerythritol fatty acid esters are placed in banbury, and 150-170 is warming up under stirring
DEG C, 60-90min is incubated, adds 2-4 parts PLA, 3-5 parts dibenzoyl peroxide, 1-2 parts dibutyl tin dilaurate, 2-4
Part epoxidized soybean oil, continue to stir 10-20min, shaping obtains used in nuclear power station polar core cable sheath material.
Preferably, modified poly (ethylene glycol) is prepared using following technique：Polyethylene glycol, graphene are mixed, heating stirring, added
Enter silane coupler to continue to stir, dry, add formaldehyde, phenol, potassium hydroxide and be well mixed, regulation system pH value is 7.6-
7.8, temperature is adjusted, is stirred, cooling, urea stirring is added, uses saturated oxalic acid regulation system pH value to continue to stir for 3-3.6
Obtain modified poly (ethylene glycol).
Preferably, modified poly (ethylene glycol) is prepared using following technique：By weight by 60-80 parts polyethylene glycol, 8-16 parts
Graphene mixes, and heating stirring, adds 0.4-1 part silane couplers and continues to stir, dry, add 80-120 parts formaldehyde, 10-18
Part phenol, 2-4 part potassium hydroxide are well mixed, and regulation system pH value is 7.6-7.8, adjust temperature, are stirred, and cooling, add 15-
25 parts of urea stirrings, use saturated oxalic acid regulation system pH value to continue stirring for 3-3.6 and obtain modified poly (ethylene glycol).
Preferably, modified poly (ethylene glycol) is prepared using following technique：By weight by 60-80 parts polyethylene glycol, 8-16 parts
Graphene mixes, and is warming up to 80-90 DEG C of stirring 4-6h, adds 0.4-1 part silane couplers and continues to stir 20-40min, 80-88
DEG C drying, add 80-120 parts formaldehyde, 10-18 parts phenol, 2-4 part potassium hydroxide and be well mixed, regulation system pH value is 7.6-
7.8,75-85 DEG C of stirring 40-60min is adjusted the temperature to, is cooled to 60-70 DEG C, adds 15-25 parts urea stirring 30-50min,
Saturated oxalic acid regulation system pH value is used as 3-3.6, continues to stir 40-60min, obtains modified poly (ethylene glycol).
Material of the present invention is novel, and preparation method is simple, easy to operation, and cost is cheap, and performance is good, has reliable power
Performance is learned, not only tensile strength and elongation at break are high, and have excellent heat endurance, suitable for nuclear power station, wherein adopting
Methyl vinyl phenyl silicon raw rubber, phenylene silicone rubber, polyurethane rubber is coordinated to act on modified poly (ethylene glycol), each other dispersiveness
Good, after crosslinked solidification, not only mechanical property is good, and tensile strength is high with elongation at break, and thermal stability is extremely excellent；
In modified poly (ethylene glycol), polyethylene glycol and graphite alkene reaction are under the cooperation of silane coupler and vacuum dried, make poly- second two
Alcohol has higher heat storage capacity and stability, and has preferable absorption property, under weak basic condition, further with formaldehyde
Compound with phenol, after condensation under the cooperation of oxalic acid, be further condensed with the amido on urea, dehydration generation methine key is resistance to
It is hot to further enhance, and there is double-deck thermostabilization structure, and Stability Analysis of Structures；And powdered whiting, modified poly (ethylene glycol), hydrogen
Magnesia mating reaction, at high operating temperatures, heat can be effectively absorbed, reach and prevent the heat purpose that internally structure spreads,
So as to reduce the temperature of internals, closed using trioctyl trimellitate (TOTM), 1-2 parts pentaerythritol fatty acid ester, epoxidized soybean oil
Reason collocation, not only sizing material plasticity is good, and ageing-resistant performance and heat resistance further enhance.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of preparation method of used in nuclear power station polar core cable sheath material, comprises the following steps：By methyl vinyl phenyl
Silicon raw rubber, phenylene silicone rubber, polyurethane rubber, powdered whiting, magnesium hydroxide, modified poly (ethylene glycol), trioctyl trimellitate (TOTM),
Pentaerythritol fatty acid ester is placed in banbury, is heated up under stirring, insulation, adds PLA, dibenzoyl peroxide, dibutyl
Tin dilaurate tin, epoxidized soybean oil, continue to stir, shaping obtains used in nuclear power station polar core cable sheath material.
Embodiment 2
A kind of preparation method of used in nuclear power station polar core cable sheath material, comprises the following steps：By weight by 90 parts of first
Base ethenylphenyl silicon raw rubber, 40 parts of phenylene silicone rubbers, 10 parts of polyurethane rubbers, 65 parts of powdered whitings, 2 parts of magnesium hydroxides,
40 parts of modified poly (ethylene glycol)s, 4 parts of trioctyl trimellitate (TOTM)s, 4 parts of pentaerythritol fatty acid esters are placed in banbury, are heated up under stirring
To 150 DEG C, 90min is incubated, adds 2 parts of PLAs, 5 parts of dibenzoyl peroxides, 1 part of dibutyl tin dilaurate, 4 parts of epoxies
Soybean oil, continue to stir 10min, shaping obtains used in nuclear power station polar core cable sheath material.
Embodiment 3
A kind of preparation method of used in nuclear power station polar core cable sheath material, comprises the following steps：By weight by 100 parts of first
Base ethenylphenyl silicon raw rubber, 20 parts of phenylene silicone rubbers, 16 parts of polyurethane rubbers, 50 parts of powdered whitings, 4 parts of magnesium hydroxides,
30 parts of modified poly (ethylene glycol)s, 8 parts of trioctyl trimellitate (TOTM)s, 2 parts of pentaerythritol fatty acid esters are placed in banbury, are heated up under stirring
To 170 DEG C, 60min is incubated, adds 4 parts of PLAs, 3 parts of dibenzoyl peroxides, 2 parts of dibutyl tin dilaurates, 2 parts of epoxies
Soybean oil, continue to stir 20min, shaping obtains used in nuclear power station polar core cable sheath material.
Modified poly (ethylene glycol) is prepared using following technique：Polyethylene glycol, graphene are mixed, heating stirring, add silane
Coupling agent continues to stir, and dries, and adds formaldehyde, phenol, potassium hydroxide and is well mixed, and regulation system pH value is 7.6-7.8, regulation
Temperature, stir, cooling, add urea stirring, use saturated oxalic acid regulation system pH value to continue stirring for 3-3.6 and be modified
Polyethylene glycol.
Embodiment 4
A kind of preparation method of used in nuclear power station polar core cable sheath material, comprises the following steps：By weight by 92 parts of first
Base ethenylphenyl silicon raw rubber, 35 parts of phenylene silicone rubbers, 12 parts of polyurethane rubbers, 60 parts of powdered whitings, 2.5 parts of hydroxides
Magnesium, 38 parts of modified poly (ethylene glycol)s, 5 parts of trioctyl trimellitate (TOTM)s, 3.5 parts of pentaerythritol fatty acid esters are placed in banbury, stirring
Under be warming up to 155 DEG C, be incubated 80min, add 2.5 parts of PLAs, 4.5 parts of dibenzoyl peroxides, 1.2 parts of dibutyl tin osmanthus
Sour tin, 3.5 parts of epoxidized soybean oils, continue to stir 12min, shaping obtains used in nuclear power station polar core cable sheath material.
Modified poly (ethylene glycol) is prepared using following technique：70 parts of polyethylene glycol, 12 parts of graphenes are mixed by weight, risen
Temperature stirring, add 0.7 part of silane coupler and continue to stir, dry, add 100 parts of formaldehyde, 14 parts of phenol, 3 parts of potassium hydroxide and mix
Close uniformly, regulation system pH value is 7.6-7.8, adjusts temperature, is stirred, cooling, adds 20 parts of urea and stirs, using saturated oxalic acid
Regulation system pH value is 3-3.6, continues stirring and obtains modified poly (ethylene glycol).
Embodiment 5
A kind of preparation method of used in nuclear power station polar core cable sheath material, comprises the following steps：By weight by 98 parts of first
Base ethenylphenyl silicon raw rubber, 25 parts of phenylene silicone rubbers, 14 parts of polyurethane rubbers, 55 parts of powdered whitings, 3.5 parts of hydroxides
Magnesium, 32 parts of modified poly (ethylene glycol)s, 7 parts of trioctyl trimellitate (TOTM)s, 2.5 parts of pentaerythritol fatty acid esters are placed in banbury, stirring
Under be warming up to 165 DEG C, be incubated 70min, add 3.5 parts of PLAs, 3.5 parts of dibenzoyl peroxides, 1.8 parts of dibutyl tin osmanthus
Sour tin, 2.5 parts of epoxidized soybean oils, continue to stir 18min, shaping obtains used in nuclear power station polar core cable sheath material.
Modified poly (ethylene glycol) is prepared using following technique：60 parts of polyethylene glycol, 16 parts of graphenes are mixed by weight, risen
Temperature adds 0.4 part of silane coupler and continues to stir 40min, 80 DEG C of dryings, add 120 parts of formaldehyde, 10 parts of benzene to 80 DEG C of stirring 6h
Phenol, 4 parts of potassium hydroxide are well mixed, and regulation system pH value is 7.6-7.8, are adjusted the temperature to 75 DEG C of stirring 60min, are cooled to 60
DEG C, 25 parts of urea stirring 30min are added, saturated oxalic acid regulation system pH value is used as 3-3.6, continues to stir 60min, changed
Property polyethylene glycol.
Embodiment 6
A kind of preparation method of used in nuclear power station polar core cable sheath material, comprises the following steps：By weight by 95 parts of first
Base ethenylphenyl silicon raw rubber, 30 parts of phenylene silicone rubbers, 13 parts of polyurethane rubbers, 58 parts of powdered whitings, 3 parts of magnesium hydroxides,
35 parts of modified poly (ethylene glycol)s, 6 parts of trioctyl trimellitate (TOTM)s, 3 parts of pentaerythritol fatty acid esters are placed in banbury, are heated up under stirring
To 160 DEG C, 75min is incubated, adds 3 parts of PLAs, 4 parts of dibenzoyl peroxides, 1.5 parts of dibutyl tin dilaurates, 3 parts of rings
Oxygen soybean oil, continue to stir 15min, shaping obtains used in nuclear power station polar core cable sheath material.
Modified poly (ethylene glycol) is prepared using following technique：80 parts of polyethylene glycol, 8 parts of graphenes are mixed by weight, risen
Temperature to 90 DEG C stirring 4h, add 1 part of silane coupler continue stir 20min, 88 DEG C of dryings, add 80 parts of formaldehyde, 18 parts of phenol,
2 parts of potassium hydroxide are well mixed, and regulation system pH value is 7.6-7.8, are adjusted the temperature to 85 DEG C of stirring 40min, are cooled to 70 DEG C,
15 parts of urea stirring 50min are added, saturated oxalic acid regulation system pH value is used as 3-3.6, continues to stir 40min, be modified
Polyethylene glycol.
The gained used in nuclear power station polar core cable sheath material of embodiment 6 is subjected to performance test, test result is as follows：
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (6)
1. a kind of preparation method of used in nuclear power station polar core cable sheath material, it is characterised in that comprise the following steps：By methyl second
Alkenyl phenyl silicon raw rubber, phenylene silicone rubber, polyurethane rubber, powdered whiting, magnesium hydroxide, modified poly (ethylene glycol), inclined benzene three
Sour three monooctyl esters, pentaerythritol fatty acid ester are placed in banbury, are heated up under stirring, are incubated, and add PLA, diphenyl peroxide first
Acyl, dibutyl tin dilaurate, epoxidized soybean oil, continue to stir, shaping obtains used in nuclear power station polar core cable sheath material.
2. the preparation method of used in nuclear power station polar core cable sheath material according to claim 1, it is characterised in that ethylene methacrylic
Base phenyl silicon raw rubber, phenylene silicone rubber, polyurethane rubber, powdered whiting, magnesium hydroxide, modified poly (ethylene glycol), trimellitic acid
Three monooctyl esters, pentaerythritol fatty acid ester, PLA, dibenzoyl peroxide, dibutyl tin dilaurate, the weight ratio of epoxidized soybean oil
For 90-100：20-40：10-16：50-65：2-4：30-40：4-8：2-4：2-4：3-5：1-2：2-4.
3. the preparation method of used in nuclear power station polar core cable sheath material according to claim 1 or claim 2, it is characterised in that including
Following steps：By weight by 90-100 part methyl vinyl phenyls silicon raw rubber, 20-40 parts phenylene silicone rubber, the poly- ammonia of 10-16 parts
Ester rubber, 50-65 parts powdered whiting, 2-4 parts magnesium hydroxide, 30-40 parts modified poly (ethylene glycol), 4-8 part tri trimellitates are pungent
Ester, 2-4 part pentaerythritol fatty acid esters are placed in banbury, and 150-170 DEG C is warming up under stirring, are incubated 60-90min, are added
2-4 parts PLA, 3-5 parts dibenzoyl peroxide, 1-2 parts dibutyl tin dilaurate, 2-4 part epoxidized soybean oils, continue to stir
10-20min is mixed, shaping obtains used in nuclear power station polar core cable sheath material.
4. according to the preparation method of any one of the claim 1-3 used in nuclear power station polar core cable sheath materials, it is characterised in that
Modified poly (ethylene glycol) is prepared using following technique：By polyethylene glycol, graphene mix, heating stirring, add silane coupler after
Continuous stirring, is dried, and is added formaldehyde, phenol, potassium hydroxide and is well mixed, and regulation system pH value is 7.6-7.8, adjusts temperature, stirs
Mix, cool, add urea stirring, use saturated oxalic acid regulation system pH value as 3-3.6, continue stirring and obtain being modified poly- second two
Alcohol.
5. according to the preparation method of any one of the claim 1-4 used in nuclear power station polar core cable sheath materials, it is characterised in that
Modified poly (ethylene glycol) is prepared using following technique：60-80 parts polyethylene glycol, 8-16 parts graphene are mixed by weight, heating
Stirring, add 0.4-1 part silane couplers and continue to stir, dry, add 80-120 parts formaldehyde, 10-18 parts phenol, 2-4 part hydrogen
Potassium oxide is well mixed, and regulation system pH value is 7.6-7.8, adjusts temperature, is stirred, cooling, adds the stirring of 15-25 parts urea,
Saturated oxalic acid regulation system pH value is used to continue stirring for 3-3.6 and obtain modified poly (ethylene glycol).
6. according to the preparation method of any one of the claim 1-5 used in nuclear power station polar core cable sheath materials, it is characterised in that
Modified poly (ethylene glycol) is prepared using following technique：60-80 parts polyethylene glycol, 8-16 parts graphene are mixed by weight, heating
To 80-90 DEG C of stirring 4-6h, add 0.4-1 part silane couplers and continue to stir 20-40min, 80-88 DEG C of drying, add 80-
120 parts of formaldehyde, 10-18 parts phenol, 2-4 part potassium hydroxide are well mixed, and regulation system pH value is 7.6-7.8, is adjusted the temperature to
75-85 DEG C of stirring 40-60min, is cooled to 60-70 DEG C, adds 15-25 parts urea stirring 30-50min, is adjusted using saturated oxalic acid
Section system pH is 3-3.6, continues to stir 40-60min, obtains modified poly (ethylene glycol).
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