CN105694196A - Black low-smoke halogen-free inflaming-retarding quickly extruded sheathing material for flexible optical cable - Google Patents
Black low-smoke halogen-free inflaming-retarding quickly extruded sheathing material for flexible optical cable Download PDFInfo
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- CN105694196A CN105694196A CN201610176872.2A CN201610176872A CN105694196A CN 105694196 A CN105694196 A CN 105694196A CN 201610176872 A CN201610176872 A CN 201610176872A CN 105694196 A CN105694196 A CN 105694196A
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/006—Additives being defined by their surface area
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Spectroscopy & Molecular Physics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
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Abstract
The invention discloses a black low-smoke halogen-free inflaming-retarding quickly extruded sheathing material for a flexible optical cable. The black low-smoke halogen-free inflaming-retarding quickly extruded sheathing material for the flexible optical cable is prepared from the following components in parts by weight: 20 to 35 parts of basic resin, 50 to 60 parts of flame retardant, 0.1 to 1.1 parts of lubricant, 3 to 5 parts of compatilizer and 1 to 2 parts of colorant, wherein the basic resin contains an ethylene-vinyl acetate copolymer, an ethylene-octene copolymer and polyethylene; the flame retardant is aluminum hydroxide; the lubricant is silicone oil; the compatilizer is maleic anhydride functional group polyolefin; the colorant is a black master batch. When the black low-smoke halogen-free inflaming-retarding quickly extruded sheathing material for the flexible optical cable is used for manufacturing a self-supporting butterfly optical cable, an extrusion speed is quick, can be up to 200m/min, and is increased by more than 1 time relative to 80m/min in ordinary production; the production efficiency is greatly increased; the yield is increased.
Description
Technical field
The present invention relates to low-smoke halogen-free flame-retardant sheath material field, particularly relate to black low-smoke non-halogen flame-retardant flexible optical cable and quickly extrude protective cover material。
Background technology
It is known that protective cover material plays the protective effect that optical cable is important。The kind of optical cable changes also with the change of protective cover material kind, as protective cover material adopts low-smoke halogen-free flame retardant material, then this kind of optical cable is known as low-smoke non-halogen flame-retardant optical cable, along with the factor that people's increasingly attaching importance to environmental protection is nontoxic, low smoke and zero halogen protective cover material seizes market gradually, to accomplish during breaking out of fire that cigarette is little, nontoxic, the feature such as fire-retardant, development along with cable industries, the demand of protective cover material is gradually increased, how within the identical time, produce more product and become the target of each enterprise, in the production process of current self-bearing type butterfly optical cable, the production efficiency great majority of protective cover material are much the same, obtain the maximization of economic benefit, have the extruded velocity accelerating protective cover material only, it is thus desirable to design black low-smoke non-halogen flame-retardant flexible optical cable quickly extrudes protective cover material。
Summary of the invention
For problem above, the present invention provides a kind of black low-smoke non-halogen flame-retardant flexible optical cable quickly to extrude protective cover material, including each component of following mass fraction:
Base resin 20-35 part
Fire retardant 50-60 part
Lubricant 0.1-1.1 part
Compatilizer 3-5 part
Coloring agent 1-2 part;
Wherein, described base resin includes ethylene-vinyl acetate copolymer, ethylene-octene copolymer, polyethylene;Described fire retardant is aluminium hydroxide;Described lubricant is silicone oil;Described compatilizer is maleic anhydride functional groups polyolefin;Described coloring agent is black masterbatch。
Further, described ethylene-vinyl acetate copolymer is 1:0.2-0.4:0.1-0.3 with the ratio of ethylene-octene copolymer with the number of polyethylene;Described ethylene-vinyl acetate copolymer melt flow rate (MFR) is 3.0-4.0, adopts ASTM-1238 test, its VA content 20-30%;After described ethylene-vinyl acetate copolymer and polyethylene blend, along with ethylene-vinyl acetate copolymer increase and two groups have vinyl group, there is the good compatibility, so polyethylene is had very strong toughening effect by ethylene-vinyl acetate copolymer, enhance polyethylene and bear external force and solvent action and the ability that chaps;
Further, the particle diameter of described aluminium hydroxide is 1.5-2.5um, and specific surface area is 3.0-5.0m2/ g, density is 2.0-2.5g/cm3, the percent grafting of described compatilizer is 1-1.5%;Described aluminium hydroxide uniform particle sizes, mobility is strong;
Further, also include Fructus Gleditsia extract, the number of described Fructus Gleditsia extract is 1-10 part, because different growing Fructus Gleditsia is different to the activity killing Mus, show after deliberation, the Fructus Gleditsia in October is the highest to the poisoning rate of mice, so preferentially choosing October Fructus Gleditsia to make Fructus Gleditsia extract, Fructus Gleditsia extract green non-pollution, belong to vegetalitas rat-bane, certain material is added in general protection against rodents protective cover material, utilize its taste distributed in order to drive mouse, but the method is while driveing mouse, also the olfactory sensation of people is impacted, and the taste distributed has regular hour property, can not permanent rat destruction, and Fructus Gleditsia extract is from killing the consideration of Mus angle, can effectively kill mouse, utilize the instinct that animal is gone after profits and advoided disadvantages, thus protecting cable。
Another object of the present invention is to provide a kind of and prepare the method that black low-smoke non-halogen flame-retardant flexible optical cable quickly extrudes protective cover material, it is characterised in that comprise the following steps:
S10, by base resin, compatilizer, lubricant, coloring agent, fire retardant, in high speed mixer, mix 5-10min according to described proportioning;
S20, from high speed mixer, material being sent to banbury, banburying 10-15min in described banbury, described kerve temperature is 135-150 DEG C, and described upper bath temperature degree is 125-135 DEG C;
S30, banburying is terminated after material be sent to feeding machine, use double screw extruder or single screw extrusion machine to carry out extruding pelletization, described double screw extruder arranges temperature and is 110-130 DEG C, and described single screw extrusion machine arranges temperature and is 120-135 DEG C。
The present invention is when manufacturing self-bearing type butterfly optical cable, and extruded velocity is fast, it is possible to reach 200m/min, relative to the 80m/min of common production, improves more than 1 times, considerably increases the efficiency of production, increases yield, reduces energy consumption, has very big application potential。
The black low-smoke non-halogen flame-retardant flexible optical cable of the present invention quickly extrudes protective cover material, and after testing, properties all exceedes national standard, complies fully with the instructions for use of enterprise。The index of detection is as follows。
Hot strength MPa | Elongation at break | Low-temperature catalyzed impact temperature DEG C | Oxygen index (OI) | pH | (1008h) hot strength rate of change after aging | (1008h) extension at break rate of change after aging |
≥10.0 | ≥150.0% | -30 | ≥32 | ≥4.3 | ≤±25 | ≤±25 |
Detailed description of the invention
Embodiment one
A kind of black low-smoke non-halogen flame-retardant flexible optical cable quickly extrudes protective cover material, including each component of following mass fraction:
Base resin 20-35 part
Fire retardant 55-60 part
Lubricant 0.1-1.1 part
Compatilizer 3-5 part
Coloring agent 1-2 part;
Wherein, described base resin includes ethylene-vinyl acetate copolymer, ethylene-octene copolymer, polyethylene;Described fire retardant is aluminium hydroxide;Described lubricant is silicone oil;Described compatilizer is maleic anhydride functional groups polyolefin;Described coloring agent is black masterbatch。
More specifically, described ethylene-vinyl acetate copolymer is 1:0.2-0.4:0.1-0.3 with the ratio of ethylene-octene copolymer with the number of polyethylene;Described ethylene-vinyl acetate copolymer melt flow rate (MFR) is 3.0-4.0, adopts ASTM-1238 test, its VA content 26%;After described ethylene-vinyl acetate copolymer and polyethylene blend, along with ethylene-vinyl acetate copolymer increase and two groups have vinyl group, there is the good compatibility, so polyethylene is had very strong toughening effect by ethylene-vinyl acetate copolymer, enhance polyethylene and bear external force and solvent action and the ability that chaps;Described polyethylene is Tao Shi 5220G polyethylene;
More specifically, the particle diameter of described aluminium hydroxide is 1.5-2.5um, and specific surface area is 3.0-5.0m2/ g, density is 2.0-2.5g/cm3, the percent grafting of described compatilizer is 1-1.5%;Described aluminium hydroxide uniform particle sizes, mobility is strong;
More specifically, also include Fructus Gleditsia extract, the number of described Fructus Gleditsia extract is 1-10 part, because different growing Fructus Gleditsia is different to the activity killing Mus, show after deliberation, the Fructus Gleditsia in October is the highest to the poisoning rate of mice, so preferentially choosing October Fructus Gleditsia to make Fructus Gleditsia extract, Fructus Gleditsia extract green non-pollution, belong to vegetalitas rat-bane, certain material is added in general protection against rodents protective cover material, utilize its taste distributed in order to drive mouse, but the method is while driveing mouse, also the olfactory sensation of people is impacted, and the taste distributed has regular hour property, can not permanent rat destruction, and Fructus Gleditsia extract is from killing the consideration of Mus angle, can effectively kill mouse, utilize the instinct that animal is gone after profits and advoided disadvantages, thus protecting cable。
Another object of the present invention is to provide a kind of and prepare the method that black low-smoke non-halogen flame-retardant flexible optical cable quickly extrudes protective cover material, it is characterised in that comprise the following steps:
S10, by base resin, compatilizer, lubricant, coloring agent, fire retardant, in high speed mixer, mix 5-10min according to described proportioning;
S20, from high speed mixer, material being sent to banbury, banburying 10-15min in described banbury, described kerve temperature is 135-150 DEG C, and described upper bath temperature degree is 125-135 DEG C;
S30, banburying is terminated after material be sent to feeding machine, use double screw extruder or single screw extrusion machine to carry out extruding pelletization, described double screw extruder arranges temperature and is 110-130 DEG C, and described single screw extrusion machine arranges temperature and is 120-135 DEG C。
The isoparametric setting of double screw extruder temperature
Position | 1 district's (DEG C) | 2 districts' (DEG C) | 3 districts' (DEG C) | 4 districts' (DEG C) | 5 districts' (DEG C) | 6 districts' (DEG C) |
Set | 110 | 115 | 120 | 125 | 130 | 135 |
Parameter | Main engine power Kw | Engine speed r/min | Main frame frequency Hz | Feeding power Kw | Feeding machine frequency Hz | Melt pressure MPa |
Set | 11 | 1000 | 60 | 0.25 | 60 | 15 |
The parameter settings such as single screw extrusion machine temperature
Position | 1 district's (DEG C) | 2 districts' (DEG C) | 3 districts' (DEG C) | 4 districts' (DEG C) | 5 districts' (DEG C) |
Set | 120 | 123 | 126 | 129 | 132 |
Parameter | Main engine power Kw | Engine speed r/min | Main frame frequency Hz | Screw diameter D/mm | |
Set | 1.5 | 200 | 30 | 20 |
Embodiment two
A kind of black low-smoke non-halogen flame-retardant flexible optical cable quickly extrudes protective cover material, including each component of following mass fraction:
EVA20-25 part
POE5-10 part
Aluminium hydroxide 55-60 part
Silicone oil 0.1-1.1 part
Grafted material 3-5 part
Black masterbatch 1-2 part。
More specifically, described ethylene-vinyl acetate copolymer is 1:0.2-0.4:0.1-0.3 with the ratio of ethylene-octene copolymer with the number of polyethylene;Described ethylene-vinyl acetate copolymer melt flow rate (MFR) is 3.0-4.0, adopts ASTM-1238 test, its VA content 20-30%;After described ethylene-vinyl acetate copolymer and polyethylene blend, along with ethylene-vinyl acetate copolymer increase and two groups have vinyl group, there is the good compatibility, so polyethylene is had very strong toughening effect by ethylene-vinyl acetate copolymer, enhance polyethylene and bear external force and solvent action and the ability that chaps;Described ethylene-octene copolymer adopts Mitsui DF840 and Mitsui DF8200;
More specifically, the particle diameter of described aluminium hydroxide is 1.5-2.5um, and specific surface area is 3.0-5.0m2/ g, density is 2.0-2.5g/cm3, the concrete model that described aluminium hydroxide adopts is refined precious 104 and domestic aluminium hydroxide, and refined precious 104 is imported product, expensive, and domestic aluminium hydroxide price is relatively inexpensive, and so collocation when not affecting protective cover material performance, can save cost;The percent grafting of described compatilizer is 1-1.5%;
More specifically, also include Fructus Gleditsia extract, the number of described Fructus Gleditsia extract is 1-10 part, because different growing Fructus Gleditsia is different to the activity killing Mus, show after deliberation, the Fructus Gleditsia in October is the highest to the poisoning rate of mice, so preferentially choosing October Fructus Gleditsia to make Fructus Gleditsia extract, Fructus Gleditsia extract green non-pollution, belong to vegetalitas rat-bane, certain material is added in general protection against rodents protective cover material, utilize its taste distributed in order to drive mouse, but the method is while driveing mouse, also the olfactory sensation of people is impacted, and the taste distributed has regular hour property, can not permanent rat destruction, and Fructus Gleditsia extract is from killing the consideration of Mus angle, can effectively kill mouse, utilize the instinct that animal is gone after profits and advoided disadvantages, thus protecting cable。
Another object of the present invention is to provide a kind of and prepare the method that black low-smoke non-halogen flame-retardant flexible optical cable quickly extrudes protective cover material, it is characterised in that comprise the following steps:
S10, by base resin, compatilizer, lubricant, coloring agent, fire retardant, in high speed mixer, mix 5-10min according to described proportioning;
S20, from high speed mixer, material being sent to banbury, banburying 10-15min in described banbury, described kerve temperature is 135-150 DEG C, and described upper bath temperature degree is 125-135 DEG C;
S30, banburying is terminated after material be sent to feeding machine, use double screw extruder or single screw extrusion machine to carry out extruding pelletization, described double screw extruder arranges temperature and is 110-130 DEG C, and described single screw extrusion machine arranges temperature and is 120-135 DEG C。
These are only preferred embodiment of the present invention, therefore can not limit scope of the invention process according to this, the equivalence namely made according to description of the present invention changes and decoration, all should belong in the scope that the present invention covers。
Claims (5)
1. black low-smoke non-halogen flame-retardant flexible optical cable quickly extrudes a protective cover material, including each component of following mass fraction:
Base resin 20-35 part
Fire retardant 50-60 part
Lubricant 0.1-1.1 part
Compatilizer 3-5 part
Coloring agent 1-2 part;
Wherein, described base resin includes ethylene-vinyl acetate copolymer, ethylene-octene copolymer, polyethylene;Described fire retardant is aluminium hydroxide;Described lubricant is silicone oil;Described compatilizer is maleic anhydride functional groups polyolefin;Described coloring agent is black masterbatch。
2. black low-smoke non-halogen flame-retardant flexible optical cable quickly extrudes protective cover material according to claim 1, it is characterised in that the ratio of described ethylene-vinyl acetate copolymer and ethylene-octene copolymer with the number of polyethylene is 1:0.2-0.4:0.1-0.3;Described ethylene-vinyl acetate copolymer melt flow rate (MFR) is 3.0-4.0, adopts ASTM-1238 test, its VA content 20-30%。
3. black low-smoke non-halogen flame-retardant flexible optical cable quickly extrudes protective cover material according to claim 1, it is characterised in that the particle diameter of described aluminium hydroxide is 1.5-2.5um, and specific surface area is 3.0-5.0m2/ g, density is 2.0-2.5g/cm3, the percent grafting of described compatilizer is 1-1.5%。
4. black low-smoke non-halogen flame-retardant flexible optical cable quickly extrudes protective cover material according to claim 1, it is characterised in that also include Fructus Gleditsia extract, and the number of described Fructus Gleditsia extract is 1-10 part。
5. prepare the method that black low-smoke non-halogen flame-retardant flexible optical cable quickly extrudes protective cover material for one kind, it is characterised in that comprise the following steps:
S10, by base resin, compatilizer, lubricant, coloring agent, fire retardant, in high speed mixer, mix 5-10min according to described proportioning;
S20, from high speed mixer, material being sent to banbury, banburying 10-15min in described banbury, described kerve temperature is 135-150 DEG C, and described upper bath temperature degree is 125-135 DEG C;
S30, banburying is terminated after material be sent to feeding machine, use double screw extruder or single screw extrusion machine to carry out extruding pelletization, described double screw extruder arranges temperature and is 110-130 DEG C, and described single screw extrusion machine arranges temperature and is 120-135 DEG C。
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CN107894635A (en) * | 2017-11-21 | 2018-04-10 | 深圳市腾天昊宇光通信有限公司 | A kind of anti-torsion self-bearing type rubber-insulated and its processing method |
CN113214561A (en) * | 2021-05-24 | 2021-08-06 | 江苏馨德高分子材料股份有限公司 | Low-smoke halogen-free intumescent flame-retardant optical cable sheath material and preparation method thereof |
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CN107082942A (en) * | 2017-04-06 | 2017-08-22 | 合肥兴联通讯有限公司 | A kind of resistance to scraped finish, low friction, low-smoke halogen-free flame-retardant sheath material and preparation method thereof |
CN107894635A (en) * | 2017-11-21 | 2018-04-10 | 深圳市腾天昊宇光通信有限公司 | A kind of anti-torsion self-bearing type rubber-insulated and its processing method |
CN113214561A (en) * | 2021-05-24 | 2021-08-06 | 江苏馨德高分子材料股份有限公司 | Low-smoke halogen-free intumescent flame-retardant optical cable sheath material and preparation method thereof |
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Application publication date: 20160622 |