CN117126527B - Oil-resistant microbeam optical cable TPU sheath material - Google Patents

Oil-resistant microbeam optical cable TPU sheath material Download PDF

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Publication number
CN117126527B
CN117126527B CN202311127471.4A CN202311127471A CN117126527B CN 117126527 B CN117126527 B CN 117126527B CN 202311127471 A CN202311127471 A CN 202311127471A CN 117126527 B CN117126527 B CN 117126527B
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oil
resistant
auxiliary agent
optical cable
tpu
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CN117126527A (en
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钟荣栋
李同兵
刘悦
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Guangdong Antop Polymer Technology Co ltd
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Guangdong Antop Polymer Technology Co ltd
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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
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • 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
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • 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

Abstract

The invention relates to an oil-resistant microbeam optical cable TPU sheath material, and belongs to the technical field of optical cable sheath preparation. The sheath material comprises the following raw materials in parts by weight: 60-75% of TPU, 8-14% of oil-resistant auxiliary agent, 3-8% of polystyrene, 5-12% of nylon and the balance of auxiliary agent. According to the invention, the elastomer TPU is selected as the base material to meet the application requirement of the microbeam optical cable for home, and meanwhile, polystyrene is introduced into the base material of the TPU to serve as an easy stripping agent, but a large amount of polystyrene is introduced to cause the reduction of the mechanical property of the whole sheath material, and a small amount of polystyrene is selected to be matched with an oil-resistant auxiliary agent, so that the easy stripping performance of the sheath material is improved; the oil-resistant auxiliary agent is matched with polystyrene, so that the easy-stripping performance of the sheath material is improved, and the silicon skeleton and fluorine-containing branched chains of the oil-resistant auxiliary agent are utilized, so that the oil-resistant performance of the obtained sheath material is greatly improved.

Description

Oil-resistant microbeam optical cable TPU sheath material
Technical Field
The invention belongs to the technical field of preparation of optical cable jackets, and particularly relates to an oil-resistant microbeam optical cable TPU jacket material.
Background
The multimode optical cable comprises a plurality of micro-beam optical cables, wherein the micro-beam optical cables are independent optical conduction structural units, and each micro-beam optical cable comprises a plurality of optical fiber cores, ointment filled between the optical fiber cores and an outer micro-beam optical cable sheath from inside to outside. When the optical cable enters the house, the micro-beam optical cable is only required to be pulled into the house. The multi-mode optical cable can realize unified laying of multi-user optical fibers in the same building, can greatly reduce the optical cable laying cost and reduce the damage of the optical cable in the laying process, and is a development trend of the existing outdoor optical cable.
On one hand, the microbeam optical cable is in contact with the ointment for a long time, so that the requirements on oil resistance and corrosion resistance are strict, and on the other hand, when the microbeam optical cable is installed, the optical fiber is wrapped in the microbeam optical cable, and the damage to the optical fiber is easy, and the jacket is required to be stripped easily and conveniently.
Disclosure of Invention
Aiming at the problems, the invention aims to provide an oil-resistant microbeam optical cable TPU sheath material.
The aim of the invention can be achieved by the following technical scheme:
an oil-resistant microbeam optical cable TPU sheath material comprises the following raw materials in parts by weight: 60-75% of TPU, 8-14% of oil-resistant auxiliary agent, 3-8% of polystyrene, 5-12% of nylon and the balance of auxiliary agent.
Further, the nylon is any one or more of nylon 01, nylon single 6 and nylon 66.
Further, the auxiliary agent is mixed with the lubricant in any ratio.
Further, the antioxidant is one or a mixture of several of antioxidant 1010, antioxidant 1035, antioxidant 168 and antioxidant 1024.
Further, the lubricant is one or a mixture of more than one of pentaerythritol stearate, glycerol monostearate, butyl stearate and ethylene bis-stearamide in any ratio.
Further, the oil-resistant auxiliary agent is obtained by gradually reacting 2, 2-bis- (4-hydroxyphenyl) hexafluoropropane, allyl glycidyl ether and 1, 3-tetramethyl disiloxane, wherein the 2, 2-bis- (4-hydroxyphenyl) hexafluoropropane and the allyl glycidyl ether are reacted to obtain a double-end double-bond reaction product, and then the double-end double-bond reaction product and the 1, 3-tetramethyl disiloxane are subjected to hydrosilylation polymerization to obtain the oil-resistant auxiliary agent;
the oil-resistant additive is a linear polymer consisting of a silicon framework and a carbon framework (from 2, 2-bis- (4-hydroxyphenyl) hexafluoropropane and propyl glycidyl ether), wherein the carbon framework is provided with fluorine-containing branched chains;
the introduction of the silicone bond in the silicon skeleton improves the high temperature resistance and the grease resistance of the prepared sheath material, and the fluorine-containing branched chain further improves the grease resistance of the prepared sheath material, and the fluorine-containing branched chain has low surface energy and the easy stripping performance of the prepared sheath material.
Further, the oil-resistant auxiliary agent comprises the following steps:
step A1, 2-bis- (4-hydroxyphenyl) hexafluoropropane and allyl glycidyl ether are reacted for 12 to 24 hours in a first organic solvent at the pH value of 9.5 to 10.5 and the temperature of 50 to 70 ℃ and then are subjected to rotary evaporation to obtain a double-end double-bond reaction product;
and step A2, reacting the double-end double-bond reaction product with 1, 3-tetramethyl disiloxane in a second organic solvent containing a catalyst at 60-95 ℃ for 10-18h, and performing rotary evaporation to obtain the oil-resistant auxiliary agent.
Further, the molar ratio of the 2, 2-bis- (4-hydroxyphenyl) hexafluoropropane to the allyl glycidyl ether is 1:2.05-2.2.
Further, the amount of the substance of the double bond reaction product is counted by taking 2, 2-bis- (4-hydroxyphenyl) hexafluoropropane as a reference, and the molar ratio of the double bond reaction product to 1, 3-tetramethyl disiloxane is 1:1.
Further, the second organic solvent is one of tetrahydrofuran, N-dimethylformamide and N, N-dimethylacetamide.
Further, the catalyst is one of a palladium supported catalyst and a platinum supported catalyst.
The invention has the beneficial effects that:
in order to select the installation characteristic of the sheath for the microbeam optical cable, the invention selects the elastomer TPU as the base material to meet the application requirement of the home-entry elasticity of the microbeam optical cable, and simultaneously considers the problems in the background technology, the invention introduces polystyrene into the base material of the TPU as an easy stripping agent, but a large amount of polystyrene is introduced to cause the reduction of the mechanical property of the whole sheath material, and a small amount of polystyrene is selected to be matched with an oil-resistant auxiliary agent, so that the easy stripping performance of the sheath material is improved together;
obviously, the oil-resistant auxiliary agent introduced in the invention not only cooperates with polystyrene, so that the easy stripping performance of the sheath material is improved, but also the silicon skeleton and fluorine-containing branched chain are utilized, so that the oil-resistant performance of the obtained sheath material is greatly improved;
finally, the silicon framework and the fluorine-containing branched chain can also improve the high temperature resistance and the flame retardance of the sheath material.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Preparation of oil-resistant auxiliary agent:
step A1, adding 0.205mol of allyl glycidyl ether into 250mL of tetrahydrofuran, uniformly mixing, regulating the pH value of a reaction system to 9.5-10 by using a sodium hydroxide solution, heating the reaction system to 60 ℃ or heating the reaction system to reflux, slowly dropwise adding a tetrahydrofuran solution containing 0.1mol of 2, 2-bis- (4-hydroxyphenyl) hexafluoropropane, reacting for 16 hours at the reflux temperature of 60 ℃, and performing rotary evaporation to obtain a double-end double-bond reaction product;
and A2, adding the double-end double-bond reaction product obtained in the step A1 into 250mLDMF, uniformly mixing, adding 10g of active carbon (palladium-supported catalyst, the loading rate is 5%), heating the reaction system to 95 ℃, slowly dropwise adding 0.1mol of 1, 3-tetramethyl disiloxane under stirring, continuously reacting for 12h after dropwise adding, and performing rotary evaporation to obtain the oil-resistant auxiliary agent.
Example 2
Preparation of oil-resistant auxiliary agent:
step A1, adding 0.205mol of allyl glycidyl ether into 250mL of tetrahydrofuran, uniformly mixing, regulating the pH value of a reaction system to 9.5-10.5 by using a sodium hydroxide solution, heating the reaction system to 65 ℃ or heating the reaction system to reflux, slowly dropwise adding a tetrahydrofuran solution containing 0.1mol of 2, 2-bis- (4-hydroxyphenyl) hexafluoropropane, reacting for 18 hours at 65 ℃ or reflux, and performing rotary evaporation to obtain a double-end double-bond reaction product;
and A2, adding the double-end double-bond reaction product obtained in the step A1 into 250mLDMF, uniformly mixing, adding 10g of active carbon (palladium-supported catalyst, the loading rate is 5%), heating the reaction system to 90 ℃, slowly dropwise adding 0.1mol of 1, 3-tetramethyl disiloxane under stirring, continuously reacting for 16h after dropwise adding, and performing rotary evaporation to obtain the oil-resistant auxiliary agent.
Comparative example 1
Preparation of auxiliary agent:
adding 0.1mol of allyl glycidyl ether into 250mLDMF, uniformly mixing, adding 10g of active carbon (palladium supported catalyst, load rate is 5%), heating the reaction system to 95 ℃, slowly dropwise adding 0.1mol of 1, 3-tetramethyl disiloxane under stirring, continuously reacting for 12h after dropwise adding, and performing rotary evaporation to obtain the auxiliary agent.
Example 3
Preparing an oil-resistant microbeam optical cable TPU sheath material:
the first step, preparing the following raw materials in parts by weight: 60% of TPU, 14% of the oil-resistant additive prepared in example 1, 8% of polystyrene, 12% of nylon and the balance of the additive; the nylon is formed by mixing nylon 01 and nylon single 6 according to a mass ratio of 1:1; the auxiliary agent is formed by mixing an antioxidant and a lubricant according to a mass ratio of 1:1; the antioxidant is formed by mixing an antioxidant 1010 and an antioxidant 1035 according to a mass ratio of 1:1; the lubricant is ethylene bis stearamide;
and secondly, mixing the raw materials, transferring into a double-screw extruder, extruding, and granulating to obtain the finished product.
Example 4
The first step, preparing the following raw materials in parts by weight: 65% of TPU, 10% of the oil-resistant additive prepared in example 1, 12% of polystyrene, 5% of nylon and the balance of the additive; the nylon is nylon 66; the auxiliary agent is formed by mixing an antioxidant and a lubricant according to a mass ratio of 1:2; the antioxidant is an antioxidant 1035; the lubricant is pentaerythritol stearate;
and secondly, mixing the raw materials, transferring into a double-screw extruder, extruding, and granulating to obtain the finished product.
Example 5
The first step, preparing the following raw materials in parts by weight: 75% of TPU, 8% of the oil-resistant additive prepared in example 1, 3% of polystyrene, 8% of nylon and the balance of the additive; the nylon is formed by mixing nylon single 6 and nylon 66 according to a mass ratio of 1:1; the auxiliary agent is formed by mixing an antioxidant and a lubricant according to a mass ratio of 1:1; the antioxidant is formed by mixing an antioxidant 168 and an antioxidant 1024 according to a mass ratio of 1:1; the lubricant is prepared by mixing monoglyceride and butyl stearate according to a mass ratio of 1:1;
and secondly, mixing the raw materials, transferring into a double-screw extruder, extruding, and granulating to obtain the finished product.
Comparative example 2
Preparing a microbeam optical cable TPU sheath material:
the first step, preparing the following raw materials in parts by weight: 60% of TPU, 14% of auxiliary agent prepared in comparative example 1, 8% of polystyrene, 12% of nylon and the balance of auxiliary agent; the nylon is formed by mixing nylon 01 and nylon single 6 according to a mass ratio of 1:1; the auxiliary agent is formed by mixing an antioxidant and a lubricant according to a mass ratio of 1:1; the antioxidant is formed by mixing an antioxidant 1010 and an antioxidant 1035 according to a mass ratio of 1:1; the lubricant is ethylene bis stearamide;
and secondly, mixing the raw materials, transferring into a double-screw extruder, extruding, and granulating to obtain the finished product.
Comparative example 3
Preparing a microbeam optical cable TPU sheath material:
the first step, preparing the following raw materials in parts by weight: 74% of TPU, 8% of polystyrene, 12% of nylon and the balance of auxiliary agents; the nylon is formed by mixing nylon 01 and nylon single 6 according to a mass ratio of 1:1; the auxiliary agent is formed by mixing an antioxidant and a lubricant according to a mass ratio of 1:1; the antioxidant is formed by mixing an antioxidant 1010 and an antioxidant 1035 according to a mass ratio of 1:1; the lubricant is ethylene bis stearamide;
and secondly, mixing the raw materials, transferring into a double-screw extruder, extruding, and granulating to obtain the finished product.
Comparative example 4
Preparing a microbeam optical cable TPU sheath material:
the first step, preparing the following raw materials in parts by weight: 68% of TPU, 14% of the oil-resistant additive prepared in example 1, 12% of nylon and the balance of the additive; the nylon is formed by mixing nylon 01 and nylon single 6 according to a mass ratio of 1:1; the auxiliary agent is formed by mixing an antioxidant and a lubricant according to a mass ratio of 1:1; the antioxidant is formed by mixing an antioxidant 1010 and an antioxidant 1035 according to a mass ratio of 1:1; the lubricant is ethylene bis stearamide;
and secondly, mixing the raw materials, transferring into a double-screw extruder, extruding, and granulating to obtain the finished product.
Example 6
The pellets obtained in examples 3 to 5 and comparative examples 2 to 4 were prepared and molded, the following physical properties were tested, and the results obtained are shown in Table 1:
TABLE 1
The tensile strength and elongation test criteria in Table 1 are ISO37:2017; the test standard of the tearing strength is ISO34-1; oil-proof paste soaking for 240h: filling the sheath material into the ointment, carrying out the high-temperature condition of the optical cable at 70 ℃ for 240 hours, then testing the tensile strength and the elongation, and calculating the change rate of the tensile strength and the elongation; flame retardant rating according to UL94 test;
as can be seen from Table 1, the jacket compositions obtained in examples 3 to 5 have excellent oil-proof paste immersion properties;
testing of easy-to-peel performance: and clamping the index finger and the thumb in the area needing peeling, checking whether peeling of the sheath can be realized, and observing whether the peeled section is neat, smooth and burr-free. The sheathing materials obtained in examples 3 to 5 and comparative examples 2 to 4 were tested in this way, and the results thereof are shown in Table 2.
TABLE 2
As can be seen from Table 2, the sheathing compounds obtained in examples 3 to 5 have excellent easy-to-peel properties.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative and explanatory of the invention, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.

Claims (3)

1. An oil-resistant microbeam optical cable TPU sheath material is characterized in that: the material comprises the following raw materials in parts by weight: 60-75% of TPU, 8-14% of oil-resistant auxiliary agent, 3-12% of polystyrene, 3-8% of nylon and the balance of auxiliary agent;
the oil-resistant auxiliary agent comprises the following steps:
step A1, 2-bis- (4-hydroxyphenyl) hexafluoropropane and allyl glycidyl ether are reacted for 12 to 24 hours in a first organic solvent at the pH value of 9.5 to 10.5 and the temperature of 50 to 70 ℃ and then are subjected to rotary evaporation to obtain a double-end double-bond reaction product;
step A2, the double-end double bond reaction product and 1, 3-tetramethyl disiloxane are reacted in a second organic solvent containing a catalyst at 60-95 ℃ for 10-18 hours, and then are subjected to rotary evaporation to obtain an oil-resistant auxiliary agent;
the molar ratio of the 2, 2-bis- (4-hydroxyphenyl) hexafluoropropane to the allyl glycidyl ether is 1:2.05-2.2;
the first organic solvent is one of acetone and tetrahydrofuran;
the amount of the substance of the double-end double-bond reaction product is counted by taking 2, 2-bis- (4-hydroxyphenyl) hexafluoropropane as a time, and the molar ratio of the double-end double-bond reaction product to the 1, 3-tetramethyl disiloxane is 1:1;
the second organic solvent is one of tetrahydrofuran, N-dimethylformamide and N, N-dimethylacetamide;
the catalyst is one of a palladium supported catalyst and a platinum supported catalyst.
2. An oil resistant microbeam optical cable TPU jacket material according to claim 1, characterized in that: the nylon is any one or two of nylon single 6 and nylon 66.
3. An oil resistant microbeam optical cable TPU jacket material according to any of claims 1 to 2, characterized in that: the auxiliary agent is mixed by any ratio of antioxidant and lubricant.
CN202311127471.4A 2023-09-04 2023-09-04 Oil-resistant microbeam optical cable TPU sheath material Active CN117126527B (en)

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CN106947176A (en) * 2017-04-12 2017-07-14 宁波宏迪尺业有限公司 Band tape cladding modified nylon composite material and its methods for making and using same
CN107383850A (en) * 2017-08-25 2017-11-24 佛山市彩贵新型材料有限公司 The preparation method of high-strength anti-flaming composite
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CN114031895A (en) * 2021-11-15 2022-02-11 浙江豪德盛绝缘材料有限公司 Preparation method of high-corrosion-resistance epoxy resin
CN114634699A (en) * 2022-04-01 2022-06-17 渝丰科技股份有限公司 Flame-retardant thermoplastic elastomer cable material
CN114736481A (en) * 2022-02-15 2022-07-12 杭州巨星科技股份有限公司 Gasoline-resistant TPE material
CN115627068A (en) * 2022-11-15 2023-01-20 广东安拓普聚合物科技有限公司 High-temperature-resistant welding slag-resistant cable sheath material

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003171508A (en) * 2001-09-28 2003-06-20 Riken Technos Corp Thermoplastic elastomer composition and thermoplastic resin composition using the same
JP2008174759A (en) * 2002-01-22 2008-07-31 Riken Technos Corp Thermoplastic elastomer composition and thermoplastic resin composition produced by using the same
CN106349685A (en) * 2016-08-26 2017-01-25 宁波市青湖弹性体科技有限公司 High-oil-resistance charging-pile halogen-free flame-retardant TPU (thermal receiver unit) cable material and preparation method thereof
CN106947176A (en) * 2017-04-12 2017-07-14 宁波宏迪尺业有限公司 Band tape cladding modified nylon composite material and its methods for making and using same
CN107383850A (en) * 2017-08-25 2017-11-24 佛山市彩贵新型材料有限公司 The preparation method of high-strength anti-flaming composite
CN108203541A (en) * 2017-12-26 2018-06-26 东莞市雄林新材料科技股份有限公司 A kind of TPU film of printable high chemical resistance and preparation method thereof
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CN115627068A (en) * 2022-11-15 2023-01-20 广东安拓普聚合物科技有限公司 High-temperature-resistant welding slag-resistant cable sheath material

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