CN108864641A - A kind of optical cable covering material of high bond strength and preparation method thereof - Google Patents
A kind of optical cable covering material of high bond strength and preparation method thereof Download PDFInfo
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- CN108864641A CN108864641A CN201810552656.2A CN201810552656A CN108864641A CN 108864641 A CN108864641 A CN 108864641A CN 201810552656 A CN201810552656 A CN 201810552656A CN 108864641 A CN108864641 A CN 108864641A
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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
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses optical cable covering material of a kind of high bond strength and preparation method thereof, which includes the raw material of following parts by weight：120-160 parts of styrene-butadiene block copolymer, 40-60 parts of high molecular weight dimethyl silicone polymer, 20-45 parts of modified epoxy resin adhesive, 6-15 parts of brucite fiber, maleic acid resin 5-15 parts Abietyl modified, 3-12 parts of chlorinated paraffin, 12-25 parts of diatomite, 20-36 parts of flyash, 3-8 parts of fire retardant；Preparation method includes modified epoxy resin adhesive preparation, mixing mixing, extrusion, air-cooled fervent, drying.Optical cable covering material of the invention has good mobility, adhesion strength, has good anti-electromagnetism, resistance to compression protective effect to optical fiber.
Description
Technical field
The present invention relates to cable material technical fields, and in particular to a kind of the optical cable covering material and its system of high bond strength
Preparation Method.
Background technique
Optical cable is the prevailing transmission tool of the various Information Networks of current information-intensive society.Mainly refer to second using eutectic in existing optical cable
Alkene-acetate ethylene copolymer exists more as base-material, the polyethylene wax lubricant of arrange in pairs or groups a little compatilizer and small-molecular-weight
Kind problem：(1) optical cable belongs to filament, quite high for extruded velocity requirement if large-scale production, but existing low-smoke halogen-free material
Due to referring to ethylene-vinyl acetate copolymer as base-material using eutectic, the mobility of material is bad, under high filler loading capacity, squeezes out speed
Degree be difficult to raise it is very high, and be cast phenomenon it is serious；(2) cross section of optical cable is when being in splayed, due to mold limitation etc.,
It requires very high, common low-smoke halogen-free material since mobility is bad discharging at intermediate connecting sewing, is easy at connecting sewing disconnected
Material, and adhesion strength is too low；(3) coating layer material is directly contacted with optical fiber, if loosely shrink seriously can be to fiber-optic signal for bonding
Influence of fading it is very big.
Based on above-mentioned optical cable covering material there are the problem of, need further to change its formula components and preparation method
Into to improve its mobility, adhesion strength and to the cladding ability of optical fiber.
Summary of the invention
In order to overcome above-mentioned technical problem, the purpose of the present invention is to provide a kind of optical cables of high bond strength to coat material
Material and preparation method thereof, using styrene-butadiene block copolymer, high molecular weight dimethyl silicone polymer as base ingredients, adds
Enter modified epoxy resin adhesive as bonding intensive, cooperates a variety of promoter additives, the covering material after extrusion has good
Mobility well, adhesion strength have good anti-electromagnetism, resistance to compression protective effect to optical fiber.
The purpose of the present invention can be achieved through the following technical solutions：
The present invention provides a kind of optical cable covering material of high bond strength, the raw material including following parts by weight：Styrene-
120-160 parts of butadiene block copolymer, 40-60 parts of high molecular weight dimethyl silicone polymer, modified epoxy resin adhesive 20-
45 parts, 6-15 parts of brucite fiber, maleic acid resin 5-15 parts Abietyl modified, 3-12 parts of chlorinated paraffin, 12-25 parts of diatomite,
20-36 parts of flyash, 3-8 parts of fire retardant；
The modified epoxy resin adhesive includes the raw material of following parts by weight：Bisphenol A type epoxy resin E-03100-140
Part, 6350 50-67 parts of flexible-epoxy, 12-25 parts of trans-1,4-iroprene polymer, 6-10 parts of methyl hexahydrophthalic anhydride, silicon
0.3-0.6 parts of ketone ethylene glycol.
As a further solution of the present invention, the Butadiene/Styrene ratio of the styrene-butadiene block copolymer
It is 65/35, melt flow rate (MFR) 15g/10min, elongation at break 700%；The high molecular weight dimethyl silicone polymer
Molecular weight be greater than 1,000,000.
As a further solution of the present invention, the specific gravity of the brucite fiber is 2.44, dehydration temperaturre 400-500
DEG C, thermal coefficient 0.15-0.21W/mK.
As a further solution of the present invention, the fire retardant is melamine cyanurate or melamine polyphosphate.
The present invention also provides the preparation methods of the optical cable covering material of above-mentioned high bond strength, include the following steps：
1) prepared by modified epoxy resin adhesive：Bisphenol A type epoxy resin E-03, flexible epoxy tree are weighed according to parts by weight
Rouge 6350, anti-form-1,4- polyisoprene are warming up to 55 DEG C of stirring 30min after mixing, obtain component A；Methyl hexahydrobenzene
After mixing, 45 DEG C of stirring 10min obtain component B for acid anhydride, silicone ethylene glycol；Component A and component B is uniformly mixed, and is obtained this and is changed
Property epoxy adhesive；
2) mixing is mixed：Styrene-butadiene block copolymer, high molecular weight poly dimethyl are sequentially added into mixer
Siloxanes, Abietyl modified maleic acid resin, diatomite, flyash, fire retardant are warming up to 130 DEG C of mixing 5min；Cool down to system
To after 55 DEG C, chlorinated paraffin, brucite fiber, modified epoxy resin adhesive are sequentially added, is kneaded 8min；
3) mixture be sent into double screw extruder in extruding pelletization, then using it is air-cooled earnestly, it is sterile to be dried to obtain the optical cable
Covering material.
As a further solution of the present invention, the machine barrel of the step 3) double screw extruder is divided into five areas, machine barrel one
Area's temperature is 130-135 DEG C, and two area's temperature of machine barrel is 140-145 DEG C, and three area's temperature of machine barrel is 150-160 DEG C, four area's temperature of machine barrel
Degree is 165-175 DEG C, and five area's temperature of machine barrel is 180-190 DEG C, head pressure 5MPa.
As a further solution of the present invention, the step 3) is air-cooled fervent using plastics air cooling thermal cutting machine, and cutter turns
Speed is 1450r/min, and screen panel aperture is 2.5-3.5mm.
Beneficial effects of the present invention：
1, the optical cable covering material of high bond strength of the invention, with styrene-butadiene block copolymer, good chemical
Inert high molecular weight dimethyl silicone polymer is base ingredients, and modified epoxy resin adhesive is added and is used as bonding intensive,
Using brucite fiber, diatomite, flyash as lightweight reinforcing filler, chlorinated paraffin as lubricant, very good mechanical properties,
The melamine salt of insulation performance is as fire retardant, and the covering material after extrusion has good mobility, adhesion strength, to light
Fibre has good anti-electromagnetism, resistance to compression protective effect.
2, modified epoxy resin adhesive is by bisphenol A type epoxy resin, flexible-epoxy through excellent acid and alkali-resistance, processing
The anti-form-1 of property, film forming, 4- polyisoprene, curing agent methyl hexahydrophthalic anhydride, flame retardant type surfactant silicone ethylene glycol
Modification is prepared, and is blended bonding with base-material, and when high temperature is not easy to crack, not easily broken after extruding.
3, using the processing method of mixing extrusion after first mixing, strict control time and temperature, when twin-screw extrusion, is accurate
The temperature in five areas of machine barrel is controlled, obtained optical cable covering material good fluidity, uniform quality, extruded velocity is fast, overcomes existing
There is preparation method to be cast the serious defect of phenomenon.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, all other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of optical cable covering material of high bond strength, the raw material including following parts by weight：Styrene-Butadiene block is total
135 parts of polymers, 46 parts of high molecular weight dimethyl silicone polymer, 32 parts of modified epoxy resin adhesive, 8 parts of brucite fiber, pine
7 parts of fragrant modified maleic resin, 5 parts of chlorinated paraffin, 16 parts of diatomite, 27 parts of flyash, flame-retardants melamine Quadrafos 4
Part.Modified epoxy resin adhesive includes the raw material of following parts by weight：125 parts of bisphenol A type epoxy resin E-03, flexible epoxy
6,350 52 parts of resin, 17 parts of trans-1,4-iroprene polymer, 8 parts of methyl hexahydrophthalic anhydride, 0.4 part of silicone ethylene glycol.Wherein, benzene
The Butadiene/Styrene ratio of ethylene-butadiene block copolymer is 65/35, melt flow rate (MFR) 15g/10min, fracture
Elongation is 700%；The molecular weight of the high molecular weight dimethyl silicone polymer is greater than 1,000,000.The specific gravity of brucite fiber is
2.44, dehydration temperaturre is 400-500 DEG C, thermal coefficient 0.15-0.21W/mK.
The preparation method of the optical cable covering material of the present embodiment high bond strength, includes the following steps：
1) prepared by modified epoxy resin adhesive：Bisphenol A type epoxy resin E-03, flexible epoxy tree are weighed according to parts by weight
Rouge 6350, anti-form-1,4- polyisoprene are warming up to 55 DEG C of stirring 30min after mixing, obtain component A；Methyl hexahydrobenzene
After mixing, 45 DEG C of stirring 10min obtain component B for acid anhydride, silicone ethylene glycol；Component A and component B is uniformly mixed, and is obtained this and is changed
Property epoxy adhesive；
2) mixing is mixed：Styrene-butadiene block copolymer, high molecular weight poly dimethyl are sequentially added into mixer
Siloxanes, Abietyl modified maleic acid resin, diatomite, flyash, fire retardant are warming up to 130 DEG C of mixing 5min；Cool down to system
To after 55 DEG C, chlorinated paraffin, brucite fiber, modified epoxy resin adhesive are sequentially added, is kneaded 8min；
3) mixture be sent into double screw extruder in extruding pelletization, then using it is air-cooled earnestly, it is sterile to be dried to obtain the optical cable
Covering material.Specifically, the machine barrel of double screw extruder is divided into five areas, and one area's temperature of machine barrel is 130-135 DEG C, 2nd area of machine barrel
Temperature is 140-145 DEG C, and three area's temperature of machine barrel is 150-160 DEG C, and four area's temperature of machine barrel is 165-175 DEG C, five area's temperature of machine barrel
It is 180-190 DEG C, head pressure 5MPa.Air-cooled fervent use plastics air cooling thermal cutting machine, cutter rotating velocity 1450r/min,
Screen panel aperture is 2.5-3.5mm.
Embodiment 2
A kind of optical cable covering material of high bond strength, the raw material including following parts by weight：Styrene-Butadiene block is total
137 parts of polymers, 50 parts of high molecular weight dimethyl silicone polymer, 33 parts of modified epoxy resin adhesive, 13 parts of brucite fiber, pine
10 parts of fragrant modified maleic resin, 5 parts of chlorinated paraffin, 20 parts of diatomite, 32 parts of flyash, flame-retardants melamine lithate 6
Part.Modified epoxy resin adhesive includes the raw material of following parts by weight：114 parts of bisphenol A type epoxy resin E-03, flexible epoxy
6,350 62 parts of resin, 23 parts of trans-1,4-iroprene polymer, 7 parts of methyl hexahydrophthalic anhydride, 0.5 part of silicone ethylene glycol.Wherein, benzene
The Butadiene/Styrene ratio of ethylene-butadiene block copolymer is 65/35, melt flow rate (MFR) 15g/10min, fracture
Elongation is 700%；The molecular weight of the high molecular weight dimethyl silicone polymer is greater than 1,000,000.The specific gravity of brucite fiber is
2.44, dehydration temperaturre is 400-500 DEG C, thermal coefficient 0.15-0.21W/mK.
The preparation method is the same as that of Example 1 for the optical cable covering material of the present embodiment high bond strength.
Embodiment 3
A kind of optical cable covering material of high bond strength, the raw material including following parts by weight：Styrene-Butadiene block is total
155 parts of polymers, 55 parts of high molecular weight dimethyl silicone polymer, 40 parts of modified epoxy resin adhesive, 9 parts of brucite fiber, pine
11 parts of fragrant modified maleic resin, 11 parts of chlorinated paraffin, 17 parts of diatomite, 28 parts of flyash, flame-retardants melamine polyphosphoric acid
4 parts of salt.Modified epoxy resin adhesive includes the raw material of following parts by weight：130 parts of bisphenol A type epoxy resin E-03, flexible ring
6,350 63 parts of oxygen resin, 25 parts of trans-1,4-iroprene polymer, 10 parts of methyl hexahydrophthalic anhydride, 0.6 part of silicone ethylene glycol.Its
In, the Butadiene/Styrene ratio of styrene-butadiene block copolymer is 65/35, melt flow rate (MFR) 15g/10min,
Elongation at break is 700%；The molecular weight of the high molecular weight dimethyl silicone polymer is greater than 1,000,000.The ratio of brucite fiber
Weight is 2.44, and dehydration temperaturre is 400-500 DEG C, thermal coefficient 0.15-0.21W/mK.
The preparation method is the same as that of Example 1 for the optical cable covering material of the present embodiment high bond strength.
Embodiment 4
A kind of optical cable covering material of high bond strength, the raw material including following parts by weight：Styrene-Butadiene block is total
158 parts of polymers, 57 parts of high molecular weight dimethyl silicone polymer, 42 parts of modified epoxy resin adhesive, 13 parts of brucite fiber, pine
12 parts of fragrant modified maleic resin, 12 parts of chlorinated paraffin, 25 parts of diatomite, 33 parts of flyash, flame-retardants melamine lithate 8
Part.Modified epoxy resin adhesive includes the raw material of following parts by weight：136 parts of bisphenol A type epoxy resin E-03, flexible epoxy
6,350 65 parts of resin, 25 parts of trans-1,4-iroprene polymer, 10 parts of methyl hexahydrophthalic anhydride, 0.4 part of silicone ethylene glycol.Wherein,
The Butadiene/Styrene ratio of styrene-butadiene block copolymer is 65/35, melt flow rate (MFR) 15g/10min, is broken
Splitting elongation is 700%；The molecular weight of the high molecular weight dimethyl silicone polymer is greater than 1,000,000.The specific gravity of brucite fiber
It is 2.44, dehydration temperaturre is 400-500 DEG C, thermal coefficient 0.15-0.21W/mK.
The preparation method is the same as that of Example 1 for the optical cable covering material of the present embodiment high bond strength.
Comparative example 1
The optical cable covering material prepared according to embodiment in publication number CN104177694A.
Performance test
Adhesion strength, tensile strength, elongation at break, volume electricity are carried out to embodiment, the optical cable covering material of comparative example
The test of resistance rate, concrete outcome see the table below：
As can be seen from the above table, compared with comparative example, adhesion strength stretches by force the optical cable covering material of the embodiment of the present invention
Degree, elongation at break are excellent, have good bonding and resistance to compression protective effect to the cable core of optical cable；Volume resistivity is higher, right
Optical cable core has good anti-electromagnetic protection effect.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (7)
1. a kind of optical cable covering material of high bond strength, which is characterized in that the raw material including following parts by weight：Styrene-fourth
120-160 parts of diene block copolymer, 40-60 parts of high molecular weight dimethyl silicone polymer, modified epoxy resin adhesive 20-45
Part, 6-15 parts of brucite fiber, maleic acid resin 5-15 parts Abietyl modified, 3-12 parts of chlorinated paraffin, 12-25 parts of diatomite, powder
20-36 parts of coal ash, 3-8 parts of fire retardant；
The modified epoxy resin adhesive includes the raw material of following parts by weight：100-140 parts of bisphenol A type epoxy resin E-03,
6350 50-67 parts of flexible-epoxy, 12-25 parts of trans-1,4-iroprene polymer, 6-10 parts of methyl hexahydrophthalic anhydride, silicone second
0.3-0.6 parts of glycol.
2. the optical cable covering material of high bond strength according to claim 1, which is characterized in that the styrene-fourth two
The Butadiene/Styrene ratio of alkene block copolymer is 65/35, melt flow rate (MFR) 15g/10min, and elongation at break is
700%；The molecular weight of the high molecular weight dimethyl silicone polymer is greater than 1,000,000.
3. the optical cable covering material of high bond strength according to claim 1, which is characterized in that the brucite fiber
Specific gravity is 2.44, and dehydration temperaturre is 400-500 DEG C, thermal coefficient 0.15-0.21W/mK.
4. the optical cable covering material of high bond strength according to claim 1, which is characterized in that the fire retardant is trimerization
Cyanamide lithate or melamine polyphosphate.
5. a kind of preparation method of the optical cable covering material of high bond strength according to claim 1-4, special
Sign is, includes the following steps：
1) prepared by modified epoxy resin adhesive：Bisphenol A type epoxy resin E-03, flexible-epoxy are weighed according to parts by weight
6350, anti-form-1,4- polyisoprene are warming up to 55 DEG C of stirring 30min after mixing, obtain component A；Methyl hexahydrobenzene
After mixing, 45 DEG C of stirring 10min obtain component B for acid anhydride, silicone ethylene glycol；Component A and component B is uniformly mixed, and is obtained this and is changed
Property epoxy adhesive；
2) mixing is mixed：Styrene-butadiene block copolymer, high molecular weight polydimethylsiloxanes are sequentially added into mixer
Alkane, Abietyl modified maleic acid resin, diatomite, flyash, fire retardant are warming up to 130 DEG C of mixing 5min；55 are cooled to system
After DEG C, chlorinated paraffin, brucite fiber, modified epoxy resin adhesive are sequentially added, is kneaded 8min；
3) mixture be sent into double screw extruder in extruding pelletization, then using it is air-cooled earnestly, it is sterile be dried to obtain the optical cable cladding
Material.
6. the preparation method of the optical cable covering material of high bond strength according to claim 5, which is characterized in that the step
The machine barrel of rapid 3) double screw extruder is divided into five areas, and one area's temperature of machine barrel is 130-135 DEG C, and two area's temperature of machine barrel is 140-
145 DEG C, three area's temperature of machine barrel is 150-160 DEG C, and four area's temperature of machine barrel is 165-175 DEG C, and five area's temperature of machine barrel is 180-190
DEG C, head pressure 5MPa.
7. the preparation method of the optical cable covering material of high bond strength according to claim 5, which is characterized in that the step
Rapid 3) air-cooled fervent using plastics air cooling thermal cutting machine, cutter rotating velocity 1450r/min, screen panel aperture is 2.5-3.5mm.
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| CN201810552656.2A CN108864641A (en) | 2018-05-31 | 2018-05-31 | A kind of optical cable covering material of high bond strength and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112375336A (en) * | 2020-11-26 | 2021-02-19 | 张惠珍 | High-strength toughened optical cable and preparation process thereof |
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| CN112375336A (en) * | 2020-11-26 | 2021-02-19 | 张惠珍 | High-strength toughened optical cable and preparation process thereof |
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