WO2015120686A1 - 一种包覆材料及其制备方法和应用 - Google Patents

一种包覆材料及其制备方法和应用 Download PDF

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Publication number
WO2015120686A1
WO2015120686A1 PCT/CN2014/081149 CN2014081149W WO2015120686A1 WO 2015120686 A1 WO2015120686 A1 WO 2015120686A1 CN 2014081149 W CN2014081149 W CN 2014081149W WO 2015120686 A1 WO2015120686 A1 WO 2015120686A1
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coating material
plasticizer
antioxidant
mixture
phosphate
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PCT/CN2014/081149
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English (en)
French (fr)
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叶之谦
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叶之谦
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Publication of WO2015120686A1 publication Critical patent/WO2015120686A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
    • 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
    • C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/06—Sulfur
    • 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
    • C08L23/10—Homopolymers or copolymers of propene
    • 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
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • 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
    • C08K2201/017—Additives being an antistatic agent
    • 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

Definitions

  • the invention relates to a material, in particular to a coating material and a preparation method and application thereof.
  • Rollers are widely used in many fields such as metallurgy, energy, and transmission.
  • a coating layer is coated on the outer circumference of the roller.
  • most of the commonly used coating materials are epoxy resins, etc. These materials have the problems of high cost, low breakdown strength, and high partial discharge value, which may cause the risk of electric shock caused by the breakdown of the cladding material. At the same time, these materials must be vulcanized during the coating process, which has a great impact on the environment.
  • the present invention proposes a new cladding material and a preparation method and application thereof.
  • the material of the coating material has low cost and has excellent electrical properties compared with the existing coating material.
  • the coating material has simple preparation process and no pollution to the environment, and is a low-cost and high-performance environmental protection material. .
  • the present invention provides a coating material comprising the following components in percentage by mass:
  • the auxiliary agent is in units of mass, and the auxiliary agent comprises the following components in mass percentage:
  • the mass percentage of the above-mentioned vulcanizer, flame retardant, antioxidant, antistatic agent and plasticizer is 100% of the mass of the auxiliary agent, and the mass of each component is calculated as the mass of the auxiliary agent. Sub-content.
  • the rubber is selected from the group consisting of ethylene propylene diene monomer.
  • the polypropylene has an intrinsic viscosity of 10.
  • the vulcanizing agent is selected from the group consisting of sulfur, sulfur chloride (S 2 C1 2 ), and 4,4′-dimorpholine disulfide (DTDM).
  • S 2 C1 2 sulfur chloride
  • DTDM 4,4′-dimorpholine disulfide
  • the flame retardant is selected from the group consisting of triphenyl phosphate, tricresyl phosphate, toluene diphenyl phosphate, diphenyl monooctyl phosphate, tris(2,3-dibromopropyl) phosphate, chlorinated paraffin, and perchloro a mixture of one or more of pentyl quinone, chlorinated biphenyl, aluminum hydroxide, cerium oxide, zinc borate, bismuth metaborate; preferably, the flame retardant is selected from the group consisting of triphenyl phosphate, trimethyl phosphate One or a mixture of esters;
  • the antioxidant is selected from one or a mixture of an amine antioxidant and a phenolic antioxidant; preferably, the antioxidant is selected from the group consisting of N-cyclohexyl-p-ethoxyaniline (antioxidant CEA), N One or several of cyclohexyl-p-methoxyaniline (anti-aging agent CMA), octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate (antioxidant 1076) Mixed
  • the antistatic agent is selected from the group consisting of hydrazine, bis-hydroxyethyl-indole-(3 '-dodecyloxy-2'-hydroxypropyl)methyl ammonium methyl sulfate (Catenae 609), stearic acid amide One or a mixture of propyl- ⁇ -hydroxyethyl-dimethylammonium nitrate (Catenae SN);
  • the plasticizer is a general-purpose plasticizer selected from phthalate plasticizers, a mixture of one or more of an aliphatic dibasic acid ester plasticizer, a phosphate plasticizer, and a chlorine-containing plasticizer; preferably, the plasticizer is selected from dioctyl phthalate One or more of dibutyl phthalate.
  • a coating material which comprises the following components in mass percentage: polypropylene 5% to 15%
  • the auxiliary agent is in units of its mass, and the auxiliary agent comprises the following components in mass percentage:
  • the rubber is selected from the group consisting of ethylene propylene diene rubber; the polypropylene is selected from polypropylene 4000 and has an intrinsic viscosity of 10; the vulcanizing agent is 4,4′-dimorpholine disulfide (DTDM); The agent is tricresyl phosphate; the antioxidant is octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoate (antioxidant 1076); the antistatic agent is stearic acid Amidopropyl- ⁇ -hydroxyethyl-dimethylammonium nitrate (Catenae SN); the plasticizer is dibutyl phthalate.
  • DTDM 4,4′-dimorpholine disulfide
  • the agent is tricresyl phosphate; the antioxidant is octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoate (antioxid
  • a coating material which comprises the following components in mass percentage: polypropylene 5% to 15%
  • the auxiliary agent is in units of its mass, and the auxiliary agent comprises the following components in mass percentage:
  • the rubber is selected from the group consisting of ethylene propylene diene rubber; the polypropylene is selected from polypropylene 4000 and has an intrinsic viscosity of 10; the vulcanizing agent is sulfur; the flame retardant is triphenyl phosphate; and the antioxidant is ⁇ -cyclohexyl-p-ethoxyaniline (anti-aging agent CEA); the antistatic agent is ruthenium, ⁇ -bis-hydroxyethyl- ⁇ -(3 '-dodecyloxy-2'-hydroxypropyl Methyl ammonium methyl sulfate (Catanac 609); the plasticizer is dioctyl phthalate.
  • the present invention also provides a method for preparing the above-mentioned coating material, characterized in that the preparation method comprises the following steps: firstly, the components are uniformly stirred at room temperature according to the ratio of claim 1, and then granulated by a granulator, and obtained.
  • the coating material is uniformly stirred at room temperature according to the ratio of claim 1, and then granulated by a granulator, and obtained.
  • the invention also provides for the use of the above cladding material in a roll coating.
  • the roller is not limited to a roller having a circular cross section, and the roller of any cross section can be coated with the covering material of the present invention according to actual needs. Meanwhile, when the surface of the roll is coated with the covering material of the present invention, the Chinese patent application (Application No.: 201420052780X) of "a head for a cylindrical bus bar covering material" can be applied to coat the surface of the roll. .
  • reagents involved in the present invention are all commercially available reagents unless otherwise specified.
  • the coating material of the invention has low raw material cost and has excellent electrical properties compared with the existing coating material. At the same time, the coating material has simple preparation process and no pollution to the environment, and is a low-cost and high-performance one. Environmentally friendly materials.
  • Example 1 The invention is described in detail below with reference to the embodiments, which are intended to be illustrative and not restrictive.
  • Example 1 The invention is described in detail below with reference to the embodiments, which are intended to be illustrative and not restrictive.
  • Example 1 The invention is described in detail below with reference to the embodiments, which are intended to be illustrative and not restrictive.
  • Example 1 The invention is described in detail below with reference to the embodiments, which are intended to be illustrative and not restrictive.
  • a coating material which comprises the following components in mass percentage:
  • the auxiliary agent is in units of its mass, and the auxiliary agent comprises the following components in mass percentage:
  • the rubber is selected from the group consisting of ethylene propylene diene rubber; the polypropylene has an intrinsic viscosity of 10; the vulcanizing agent is 4,4′-dimorpholine disulfide (DTDM); and the flame retardant is tricresyl phosphate
  • the antioxidant is octadecyl 3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate (antioxidant 1076);
  • the antistatic agent is stearamidopropyl- ⁇ - Hydroxyethyl-dimethylammonium nitrate (Catenae SN); the plasticizer is dibutyl phthalate.
  • the conventional cladding material has a breakdown strength of 9.8 KV/mm and a PC of 5% to 8%.
  • the cladding material of this embodiment had a puncture strength of 20.2 KV/mm.
  • PC is 0.38%. It can be seen that the electrical properties of the cladding material of the present embodiment are higher than those of the conventional materials.
  • a coating material which comprises the following components in mass percentage:
  • the auxiliary agent is in units of its mass, and the auxiliary agent comprises the following components in mass percentage:
  • the rubber is selected from the group consisting of ethylene propylene diene rubber; the polypropylene has an intrinsic viscosity of 10; the vulcanizing agent is sulfur; the flame retardant is triphenyl phosphate; and the antioxidant is ⁇ -cyclohexyl-pair Ethoxyaniline (anti-aging agent CEA); the antistatic agent is cerium, bismuth-bis-hydroxyethyl-indole-(3 '-dodecyloxy-2'-hydroxypropyl)methylammonium sulfate Salt (Catenae 609); the plasticizer is dioctyl phthalate.
  • the conventional cladding material has a breakdown strength of 9.8 KV/mm and a PC of 5% to 8%.
  • the cladding material of this embodiment had a puncture strength of 18.6 kV/mm.
  • PC is 0.42%. It can be seen that the electrical properties of the cladding material of the present embodiment are higher than those of the conventional materials.
  • a coating material which comprises the following components in mass percentage:
  • the auxiliary agent is in units of its mass, and the auxiliary agent comprises the following components in mass percentage:
  • the rubber is selected from the group consisting of ethylene propylene diene rubber; the polypropylene has an intrinsic viscosity of 10; the vulcanizing agent is sulfur; the flame retardant is sulfur chloride (S 2 C1 2 ); and the antioxidant is N - cyclohexyl-p-methoxyaniline (anti-aging agent CMA); the antistatic agent is ruthenium, osmium-bis-hydroxyethyl-indole-(3 '-dodecyloxy-2'-hydroxypropyl) Methyl ammonium methyl sulfate (Catenae 609); the plasticizer is dioctyl phthalate.
  • the conventional cladding material has a breakdown strength of 9.8 KV/mm and a PC of 5% to 8%.
  • the cladding material of this example had a puncture strength of 19.8 KV/mm and a PC of 0.30%. It can be seen that the electrical properties of the cladding material of the present embodiment are higher than those of the conventional materials.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Paints Or Removers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Insulating Materials (AREA)

Abstract

本发明提供一种包覆材料，按质量百分比包含以下组份：聚丙烯5％～15％、橡胶 75％～85％、助剂5％～15％。本发明的包覆材料原料成本低，与现有包覆材料相比，具有非常优异的电性能，同时，该包覆材料的制备工艺简单，对环境无污染，是一种低成本高性能的环保材料。

Description

一种包覆材料及其制备方法和应用 技术领域
本发明涉及一种材料， 具体涉及一种包覆材料及其制备方法和应用。
背景技术
辊筒在冶金、 能源、 传输等多个领域均有非常广泛的应用。 通常， 为了防腐、 绝缘等目 的， 都会在辊筒外周上包覆一层包覆层。 目前常用的包覆材料多为环氧树脂等， 这些材料原 料存在成本高、 击穿强度低、 局部放电值高等问题， 造成了包覆材料被击穿而产生触电事故 等风险。 同时， 这些材料在包覆过程中必须经过硫化处理， 这对环境造成了很大的影响。
因此， 我们需要一种新的环保的包覆材料， 具有成本低、 电性能好、 制备工艺简单无污 染等优点， 可以广泛应用于各种辊筒中。
发明内容
为解决现有技术的不足， 本发明提出一种新的包覆材料及其制备方法和应用。 该包覆材 料原料成本低， 与现有包覆材料相比， 具有非常优异的电性能， 同时， 该包覆材料的制备工 艺简单， 对环境无污染， 是一种低成本高性能的环保材料。
为了达到上述目的， 本发明提供一种包覆材料， 按质量百分比包含以下组份：
聚丙烯 5%〜15%
橡胶 75%〜85%
在本发明一实施例中， 所述助剂以其质量为单位， 所述助剂按质量百分比包含以下组 份：
硫化剂 40%〜60%
阻燃剂 20%〜40%
抗氧化剂 2 %〜Ί%
抗静电剂 2 %〜7%
增塑剂 2 %〜7%。
也就是说， 上述硫化机、 阻燃剂、 抗氧化剂、 抗静电剂和增塑剂的质量百分比是以所述 助剂的质量为 100%， 计算各组份质量占所述助剂质量的百分含量。
在本发明一实施例中， 所述橡胶选自三元乙丙橡胶。
在本发明一实施例中， 所述聚丙烯的特性粘度为 10。
在本发明一实施例中， 所述硫化剂选自硫磺、 氯化硫 (S2C12)、 4,4'-二硫化二吗啉 (DTDM) 中的一种或几种混合；
所述阻燃剂选自磷酸三苯酯、 磷酸三甲苯酯、 磷酸甲苯二苯酯、 磷酸二苯一辛酯、 磷酸 三 （2,3-二溴丙基） 酯、 氯化石蜡、 全氯戊环葵垸、 氯化联苯、 氢氧化铝、 氧化锑、 硼酸 锌、 偏硼酸钡中的一种或几种混合； 优选地， 所述阻燃剂选自磷酸三苯酯、 磷酸三甲苯酯中 的一种或几种混合；
所述抗氧化剂选自胺类抗氧化剂、 酚类抗氧化剂中的一种或几种混合； 优选地， 所述抗 氧化剂选自 N-环己基-对乙氧基苯胺 (防老剂 CEA)、 N-环己基-对甲氧基苯胺 (防老剂 CMA)、 3-(3,5-二叔丁基 -4-羟基苯基)丙酸十八酯 (抗氧剂 1076)中的一种或几种混合；
所述抗静电剂选自 Ν,Ν-双-羟乙基 -Ν-(3 ' -十二垸氧基 -2' -羟基丙基)甲铵硫酸甲酯盐 (Catenae 609)、 硬脂酰胺丙基 -β -羟乙基-二甲基硝酸铵 (Catenae SN)中的一种或几种混合； 所述增塑剂为通用增塑剂， 选自邻苯二甲酸酯类增塑剂、 脂肪族二元酸酯类增塑剂、 磷 酸酯类增塑剂、 含氯类增塑剂中的一种或几种混合； 优选地， 所述增塑剂选自邻苯二甲酸二 辛酯、 邻苯二甲酸二丁酯中的一种或几种。
在本发明一较佳实施例中， 提供一种包覆材料， 按质量百分比包含以下组份： 聚丙烯 5%〜15%
橡胶 75%〜85%
助剂 5%〜15% 其中，
所述助剂以其质量为单位， 所述助剂按质量百分比包含以下组份：
硫化剂 40%〜60%
阻燃剂 20%〜40%
抗氧化剂 2 %〜7%
抗静电剂 2 %〜7%
增塑剂 2 %〜7%；
所述橡胶选自三元乙丙橡胶； 所述聚丙烯选自聚丙烯 4000， 其特性粘度为 10; 所述硫 化剂为 4,4'-二硫化二吗啉 (DTDM); 所述阻燃剂为磷酸三甲苯酯； 所述抗氧化剂为 3-(3,5-二 叔丁基 -4-羟基苯基)丙酸十八酯 (抗氧剂 1076); 所述抗静电剂为硬脂酰胺丙基 -β -羟乙基-二 甲基硝酸铵 (Catenae SN); 所述增塑剂为邻苯二甲酸二丁酯。
在本发明另一较佳实施例中， 提供一种包覆材料， 按质量百分比包含以下组份： 聚丙烯 5%〜15%
橡胶 75%〜85% 助剂 5%〜15% ; 其中，
所述助剂以其质量为单位， 所述助剂按质量百分比包含以下组份：
硫化剂 40%〜60%
阻燃剂 20%〜40%
抗氧化剂 2 %〜Ί%
抗静电剂 2 %〜7%
增塑剂 2 %〜7%；
所述橡胶选自三元乙丙橡胶； 所述聚丙烯选自聚丙烯 4000， 其特性粘度为 10; 所述硫 化剂为硫磺； 所述阻燃剂为磷酸三苯酯； 所述抗氧化剂为 Ν-环己基-对乙氧基苯胺 (防老剂 CEA) ; 所述抗静电剂为 Ν,Ν-双-羟乙基 -Ν-(3 ' -十二垸氧基 -2' -羟基丙基)甲铵硫酸甲酯盐 (Catanac 609)； 所述增塑剂为邻苯二甲酸二辛酯。
本发明还提供上述包覆材料的制备方法， 其特征在于， 所述制备方法包括： 先按权利要 求 1所述的比例将各组份室温下搅拌均匀， 然后经造粒机造粒， 及获得所述包覆材料。
本发明还提供上述包覆材料在辊筒包覆层中的应用。 所述辊筒并不限于截面为圆形的辊 筒， 任何截面的辊筒都可以依据实际需求包覆本发明的包覆材料。 同时， 在辊筒表面包覆本 发明的包覆材料时， 可以应用 "一种圆筒母线包覆材料用机头" 的中国专利申请 （申请号： 201420052780X) 来实现对辊筒表面的包覆。
需要说明的是， 如无特殊说明， 本发明中涉及的试剂均为有市售的现有试剂。
本发明的包覆材料原料成本低， 与现有包覆材料相比， 具有非常优异的电性能， 同时， 该包覆材料的制备工艺简单， 对环境无污染， 是一种低成本高性能的环保材料。
具体实肺式
以下结合实施例对本发明做详细的说明， 实施例旨在解释而非限定本发明的技术方案。 实施例 1.
在本实施例中提供一种包覆材料， 按质量百分比包含以下组份：
聚丙烯 5%
橡胶 83%
助剂 12%; 其中，
所述助剂以其质量为单位， 所述助剂按质量百分比包含以下组份：
硫化剂 48%
阻燃剂 36% 抗氧化剂 4%
抗静电剂 5%
增塑剂 Ί%',
所述橡胶选自三元乙丙橡胶； 所述聚丙烯的特性粘度为 10; 所述硫化剂为 4,4'-二硫化 二吗啉 (DTDM); 所述阻燃剂为磷酸三甲苯酯； 所述抗氧化剂为 3-(3,5-二叔丁基 -4-羟基苯基) 丙酸十八酯 (抗氧剂 1076); 所述抗静电剂为硬脂酰胺丙基 -β -羟乙基-二甲基硝酸铵 (Catenae SN); 所述增塑剂为邻苯二甲酸二丁酯。
将上述各组份案质量百分比在常温下搅拌均匀， 然后在市售的常规造粒机中造粒即可。 申请人为了比较本发明的包覆材料和目前已有的常规包覆材料的电性能， 还对本发明的 包覆材料与常规包覆材料的击穿强度、 局部放电值 （PC ) 分别作了检测。 上述检测均按国 标进行。
目前常规的包覆材料的击穿强度为 9.8KV/mm， PC 为 5%〜8%。 而本实施例的包覆材 料击穿强度为 20.2KV/mm。， PC为 0.38%。 由此可见本实施例的包覆材料电性能原高于目前 常规材料。
实施例 2.
在本实施例中提供一种包覆材料， 按质量百分比包含以下组份：
聚丙烯 12%
橡胶 78%
助剂 10%; 其中，
所述助剂以其质量为单位， 所述助剂按质量百分比包含以下组份：
硫化剂 50%
阻燃剂 36%
抗氧化剂 6 %
抗静电剂 7%
增塑剂 Ί%',
所述橡胶选自三元乙丙橡胶； 所述聚丙烯的特性粘度为 10; 所述硫化剂为硫磺； 所述 阻燃剂为磷酸三苯酯； 所述抗氧化剂为 Ν-环己基-对乙氧基苯胺 (防老剂 CEA); 所述抗静电 剂为 Ν,Ν-双-羟乙基 -Ν-(3 ' -十二垸氧基 -2' -羟基丙基)甲铵硫酸甲酯盐 (Catenae 609)； 所述 增塑剂为邻苯二甲酸二辛酯。
将上述各组份案质量百分比在常温下搅拌均匀， 然后在市售的常规造粒机中造粒即可。 申请人为了比较本发明的包覆材料和目前已有的常规包覆材料的电性能， 还对本发明的 包覆材料与常规包覆材料的击穿强度、 局部放电值 （PC ) 分别作了检测。 上述检测均按国 标进行。
目前常规的包覆材料的击穿强度为 9.8KV/mm， PC 为 5%〜8%。 而本实施例的包覆材 料击穿强度为 18.6KV/mm。， PC为 0.42%。 由此可见本实施例的包覆材料电性能原高于目前 常规材料。
实施例 3.
在本实施例中提供一种包覆材料， 按质量百分比包含以下组份：
聚丙烯 12%
橡胶 82%
助剂 6%; 其中，
所述助剂以其质量为单位， 所述助剂按质量百分比包含以下组份：
硫化剂 54%
阻燃剂 28%
抗氧化剂 7 %
抗静电剂 5%
增塑剂 6%;
所述橡胶选自三元乙丙橡胶； 所述聚丙烯的特性粘度为 10; 所述硫化剂为硫磺； 所述 阻燃剂为氯化硫 (S2C12); 所述抗氧化剂为 N-环己基-对甲氧基苯胺 (防老剂 CMA); 所述抗静 电剂为 Ν,Ν-双-羟乙基 -Ν-(3 ' -十二垸氧基 -2' -羟基丙基)甲铵硫酸甲酯盐 (Catenae 609)； 所 述增塑剂为邻苯二甲酸二辛酯。
将上述各组份案质量百分比在常温下搅拌均匀， 然后在市售的常规造粒机中造粒即可。 申请人为了比较本发明的包覆材料和目前已有的常规包覆材料的电性能， 还对本发明的 包覆材料与常规包覆材料的击穿强度、 局部放电值 （PC ) 分别作了检测。 上述检测均按国 标进行。
目前常规的包覆材料的击穿强度为 9.8KV/mm， PC 为 5%〜8%。 而本实施例的包覆材 料击穿强度为 19.8KV/mm， PC为 0.30%。 由此可见本实施例的包覆材料电性能原高于目前 常规材料。
本发明已由上述相关实施例加以描述， 然而上述实施例仅为实施本发明的范例。 必需指 出的是， 已公开的实施例并未限制本发明的范围。 相反地， 包含于权利要求书的精神及范围 的修改及均等设置均包括于本发明的范围内

Claims

权 利 要 求 书
1. 一种包覆材料， 用于棍状物的包覆， 其中， 所述包覆材料按质量百分比包含以下组份： 聚丙烯 5%〜15%
橡胶 75%〜85%
助剂 5%〜15%。
2. 如权利要求 1 所述的包覆材料， 其中， 以所述助剂的质量为单位， 所述助剂按质量百分 比包含以下组份：
硫化剂 40%〜60%
阻燃剂 20%〜40%
抗氧化剂 2 %〜Ί%
抗静电剂 2 %〜7%
增塑剂 2 %〜7%。
3. 如权利要求 1或 2所述的包覆材料， 其中， 所述橡胶选自三元乙丙橡胶。
4. 如权利要求 1或 2所述的包覆材料， 其中， 所述硫化剂选自硫磺、 氯化硫、 4,4'-二硫化二 吗啉中的一种或几种混合；
所述阻燃剂选自磷酸三苯酯、 磷酸三甲苯酯、 磷酸甲苯二苯酯、 磷酸二苯一辛酯、 磷酸三
( 2,3-二溴丙基） 酯、 氯化石蜡、 全氯戊环葵垸、 氯化联苯、 氢氧化铝、 氧化锑、 硼酸锌、 偏硼酸钡中的一种或几种混合；
所述抗氧化剂选自胺类抗氧化剂、 酚类抗氧化剂中的一种或几种混合；
所述抗静电剂选自 Ν,Ν-双-羟乙基 -Ν-(3 ' -十二垸氧基 -2' -羟基丙基)甲铵硫酸甲酯盐、 硬脂 酰胺丙基 -β -羟乙基-二甲基硝酸铵中的一种或几种混合；
所述增塑剂选自邻苯二甲酸酯类增塑剂、 脂肪族二元酸酯类增塑剂、 磷酸酯类增塑剂、 含氯 类增塑剂中的一种或几种混合。
5. —种权利要求 1所述的包覆材料的制备方法， 其中， 所述制备方法包括： 先按权利要求 1 所述的比例将各组份室温下搅拌均匀， 然后经造粒机造粒， 即获得所述包覆材料。
6. 权利要求 1所述的包覆材料在辊筒包覆层中的应用。
PCT/CN2014/081149 2014-02-17 2014-06-30 一种包覆材料及其制备方法和应用 WO2015120686A1 (zh)

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