WO2018121525A1 - 一种低压配电箱绝缘材料 - Google Patents

一种低压配电箱绝缘材料 Download PDF

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WO2018121525A1
WO2018121525A1 PCT/CN2017/118607 CN2017118607W WO2018121525A1 WO 2018121525 A1 WO2018121525 A1 WO 2018121525A1 CN 2017118607 W CN2017118607 W CN 2017118607W WO 2018121525 A1 WO2018121525 A1 WO 2018121525A1
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parts
low
distribution box
voltage distribution
insulation material
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PCT/CN2017/118607
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English (en)
French (fr)
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顾炜
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常熟昊虞电子信息科技有限公司
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Publication of WO2018121525A1 publication Critical patent/WO2018121525A1/zh

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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
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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

Definitions

  • the present application belongs to the field of insulating materials, and in particular relates to a low-voltage distribution box insulating material.
  • insulating materials There are many kinds of insulating materials, which can be divided into three categories: gas, liquid and solid. Commonly used gas insulating materials are air, nitrogen, sulfur hexafluoride, and the like.
  • the liquid insulating materials mainly include mineral insulating oil and synthetic insulating oil (silicone oil, dodecylbenzene, polyisobutylene, isopropylbiphenyl, diarylethane, etc.).
  • Solid insulating materials can be divided into organic and inorganic types.
  • Organic solid insulating materials include insulating varnish, insulating rubber, insulating paper, insulating fiber products, plastics, rubber, lacquered paint tubes and insulating impregnated fiber products, electrical films, composite products and adhesive tapes, laminates for electricians, and the like.
  • Inorganic solid insulation materials mainly include mica, glass, ceramics and their products. In contrast, solid insulation materials are diverse and most important.
  • Insulating materials for high voltage electrical equipment such as high voltage motors, high voltage cables, etc., require high breakdown strength and low dielectric loss.
  • Low-voltage electrical appliances are mainly required for mechanical strength, elongation at break, and heat resistance.
  • Inorganic solid insulation material is mainly composed of silicon, boron and various metal oxides. It is mainly composed of ionic structure.
  • the main features are high heat resistance, working temperature is generally greater than 180 ° C, good stability, resistance to atmospheric aging and resistance. Chemical properties and long-term aging performance under the action of electric field; but high brittleness, low impact strength, high pressure resistance and low tensile strength; poor processability.
  • the organic material is generally a polymer having an average molecular weight of from 104 to 106, and its heat resistance is generally lower than that of an inorganic material.
  • a material containing an aromatic ring, a heterocyclic ring, and an element such as silicon, titanium, or fluorine has higher heat resistance than a general linear chain polymer material.
  • Dielectrics for capacitors require a high dielectric constant to increase their specific characteristics.
  • insulating materials The level of research and development of insulating materials is one of the keys that affect the development of electrical engineering. From the perspective of future trends, it is required to develop high-pressure-resistant, heat-resistant insulation, solvent-free and pollution-free insulation, composite insulation, corrosion resistance, water resistance, oil resistance, cryogenic resistance, radiation resistance and flame retardant materials, and development of energy-saving materials.
  • the focus is on the development of epoxy mica insulation systems for high-voltage large-capacity generators; the F and H-class insulation series for small and medium-sized motors; the sulphur hexafluoride gaseous medium for high-voltage transmission and transformation equipment; and the replacement of chlorinated biphenyls.
  • Non-toxic synthetic medium; high-performance insulating oil; synthetic paper composite insulation; flame-retardant rubber and plastic materials and surface protection materials, etc. and actively accelerate the replacement of insulation materials for traditional electrical equipment.
  • heat-resistant resins containing heterocyclic rings and aromatic rings were greatly developed, such as polyimides, polyaramids, polyarylsulfones, polyphenylene sulfides, and the like, which are H-grade and higher heat-resistant grades.
  • the synthesis of these heat-resistant materials has created favorable conditions for the development of Class F and Class H motors in the future.
  • Polypropylene films have also been successfully used in power capacitors during this period.
  • the mineral insulating oil is refined by a new method to reduce its loss; epoxy mica insulation has many improvements in improving its mechanical properties and achieving no air gap to improve its electrical performance.
  • the power capacitor transitions from a paper-membrane composite structure to a full-film structure.
  • the 1000 kV UHV power cable began to study the replacement of traditional natural fiber paper with synthetic paper insulation.
  • Non-polluting insulation materials have also developed rapidly since the 1970s, such as the replacement of toxic medium chlorinated biphenyl with non-toxic medium isopropyl biphenyl and ester oil, and the expansion of solvent-free paint.
  • the fire of insulating materials has caused frequent fire accidents, so the research on flame retardant materials has attracted attention.
  • the invention designs a low-voltage distribution box insulation material with high strength, high hardness, high elongation at break and good insulation.
  • the present application provides a low-voltage distribution box insulation material for the above technical problems, and solves the technical problems of low strength, low elongation, and low hardness of the existing insulation.
  • a low-voltage distribution box insulation material wherein the raw materials of the low-voltage distribution box insulation material are matched by weight: PP100 parts; aluminum hydroxide 50-90 parts; titanate coupling agent 1.5-5.5 parts; glass 10-30 parts of fiber; 12-18 parts of chlorinated paraffin; 5-25 parts of zinc oxide; 13-17 parts of talc; 0.5-2.5 parts of antioxidant DLTP; 0.2-0.8 parts of zinc stearate; It is 15-35 parts; 1-3 parts of tribasic lead sulfate.
  • the raw material of the low-voltage distribution box insulating material is divided into parts by weight: PP 100 parts; aluminum hydroxide 60-80 parts; titanate coupling agent 2.5-4.5 parts; 15-25 parts of glass fiber; 13-17 parts of chlorinated paraffin; 10-20 parts of zinc oxide; 14-16 parts of talc; 1-2 parts of antioxidant DLTP; 0.3-0.7 parts of zinc stearate; 20-30 parts; 2-3 parts of tribasic lead sulfate.
  • the raw material of the low-voltage distribution box insulating material is divided into parts by weight: PP 100 parts; aluminum hydroxide 60 parts; titanate coupling agent 2.5 parts; glass fiber 15 parts 13 parts of chlorinated paraffin; 10 parts of zinc oxide; 14 parts of talc; 1 part of antioxidant DLTP; 0.3 parts of zinc stearate; 20 parts of acetylene black; 2 parts of tribasic lead sulfate.
  • the raw material of the low-voltage distribution box insulating material is divided into parts by weight: PP 100 parts; aluminum hydroxide 80 parts; titanate coupling agent 4.5 parts; glass fiber 25 parts 17 parts of chlorinated paraffin; 20 parts of zinc oxide; 16 parts of talc; 2 parts of antioxidant DLTP; 0.7 parts of zinc stearate; 30 parts of acetylene black; 4 parts of tribasic lead sulfate.
  • the raw material of the low-voltage distribution box insulating material is divided into parts by weight: PP 100 parts; aluminum hydroxide 70 parts; titanate coupling agent 3.5 parts; glass fiber 20 parts 15 parts of chlorinated paraffin; 15 parts of zinc oxide; 15 parts of talc; 1.5 parts of antioxidant DLTP; 0.5 parts of zinc stearate; 25 parts of acetylene black; 3 parts of tribasic lead sulfate.
  • the low-voltage distribution box insulation material according to the present invention has the following technical effects compared with the prior art by the above technical solution: 1.
  • the relative density of the product is 0.91-0.93, the tensile strength is 35-55 MPa, and the elongation is 450- 650%; 2, product high temperature resistance, heat resistance temperature 120-160 ° C, notched impact strength 15-35kJ / m; 3, cold resistance -50 ° C, oxygen index 30-50%, bending strength 50-70MPa; 4, cloth It has a hardness of 104-108, low cost, simple operation, AC insulation and voltage of 20-60kV/mm, which can be widely produced and continuously replaced with existing materials.
  • PP 100 parts of PP were weighed according to the parts by weight; 50 parts of aluminum hydroxide; 1.5 parts of titanate coupling agent; 10 parts of glass fiber; 12 parts of chlorinated paraffin; 5 parts of zinc oxide; 13 parts of talc; antioxidant 0.5 parts of DLTP; 0.2 parts of zinc stearate; 15 parts of acetylene black; 1 part of tribasic lead sulfate.
  • the raw materials were put into a mixer and mixed, and the temperature was raised to 60 ° C, the mixing speed was 350 r / min, and the mixture was mixed for 1 hour.
  • the feeding section temperature is 170 °C
  • the body temperature is 200 °C, 205 °C, 210 °C, 215 °C, 220 °C
  • the head temperature is 225 °C, 230 °C, 235 °C, 240 °C, 245. °C, screw speed 35r/min, feed speed 30r/min.
  • the relative density of the product is 0.91, the tensile strength is 35MPa, the elongation is 450%; the product is resistant to high temperature, heat resistant temperature 120°C, notched impact strength 15kJ/m; cold resistance -50°C, oxygen index 30%, bending strength 50MPa; Brinell The hardness is 104, the cost is low, the operation is simple, the AC insulation and the penetration voltage are 20kV/mm, and it can be widely produced and continuously replaced with existing materials.
  • PP 100 parts of PP were weighed according to the parts by weight; 90 parts of aluminum hydroxide; 5.5 parts of titanate coupling agent; 30 parts of glass fiber; 18 parts of chlorinated paraffin; 25 parts of zinc oxide; 17 parts of talc; antioxidant 2.5 parts of DLTP; 0.8 parts of zinc stearate; 35 parts of acetylene black; 5 parts of tribasic lead sulfate.
  • the raw materials were placed in a mixer and mixed, and the temperature was raised to 80 ° C, the mixing speed was 550 r / min, and mixing was carried out for 3 hours.
  • the feeding section temperature is 190 °C
  • the body temperature is 210 °C, 215 °C, 220 °C, 225 °C, 230 °C
  • the head temperature is 235 °C, 240 °C, 245 °C, 250 °C, 255. °C, screw speed 45r/min, feed speed 40 r/min.
  • the relative density of the product is 0.91, the tensile strength is 40MPa, and the elongation is 500%.
  • the product has high temperature resistance, heat resistance temperature of 130°C, notched impact strength of 20kJ/m, cold resistance of -50°C, oxygen index of 35%, bending strength of 55MPa, and Brinell.
  • the hardness is 105, the cost is low, the operation is simple, the AC insulation and the through voltage are 30kV/mm, and it can be widely produced and continuously replaced with existing materials.
  • PP 100 parts of PP were weighed according to the parts by weight; 60 parts of aluminum hydroxide; 2.5 parts of titanate coupling agent; 15 parts of glass fiber; 13 parts of chlorinated paraffin; 10 parts of zinc oxide; 14 parts of talc; antioxidant 1 part of DLTP; 0.3 parts of zinc stearate; 20 parts of acetylene black; 2 parts of tribasic lead sulfate.
  • the raw materials were put into a mixer and mixed, and the temperature was raised to 60 ° C, the mixing speed was 350 r / min, and the mixture was mixed for 1 hour.
  • the feeding section temperature is 170 °C
  • the body temperature is 200 °C, 205 °C, 210 °C, 215 °C, 220 °C
  • the head temperature is 225 °C, 230 °C, 235 °C, 240 °C, 245. °C, screw speed 35r/min, feed speed 30r/min.
  • the relative density of the product is 0.92, the tensile strength is 45MPa, and the elongation is 550%.
  • the product has high temperature resistance, heat resistance temperature of 140°C, notched impact strength of 25kJ/m, cold resistance of -50°C, oxygen index of 40%, bending strength of 60MPa, and Brinell.
  • the hardness is 106, the cost is low, the operation is simple, the AC insulation and the through voltage are 40kV/mm, and it can be widely produced and continuously replaced with existing materials.
  • PP 100 parts were weighed according to the parts by weight; 80 parts of aluminum hydroxide; 4.5 parts of titanate coupling agent; 25 parts of glass fiber; 17 parts of chlorinated paraffin; 20 parts of zinc oxide; 16 parts of talc; antioxidant 2 parts of DLTP; 0.7 parts of zinc stearate; 30 parts of acetylene black; 4 parts of tribasic lead sulfate.
  • the raw materials were placed in a mixer and mixed, and the temperature was raised to 80 ° C, the mixing speed was 550 r / min, and mixing was carried out for 3 hours.
  • the feeding section temperature is 190 °C
  • the body temperature is 210 °C, 215 °C, 220 °C, 225 °C, 230 °C
  • the head temperature is 235 °C, 240 °C, 245 °C, 250 °C, 255. °C, screw speed 45r/min, feed speed 40 r/min.
  • the relative density of the product is 0.92, the tensile strength is 50MPa, the elongation is 600%; the product is resistant to high temperature, heat resistance temperature 150°C, notched impact strength 30kJ/m; cold resistance -50°C, oxygen index 45%, bending strength 65MPa; Brinell The hardness is 107, the cost is low, the operation is simple, the AC insulation and the penetration voltage are 50kV/mm, and it can be widely produced and continuously replaced with existing materials.
  • PP 100 parts were weighed according to the parts by weight; 70 parts of aluminum hydroxide; 3.5 parts of titanate coupling agent; 20 parts of glass fiber; 15 parts of chlorinated paraffin; 15 parts of zinc oxide; 15 parts of talc; antioxidant 1.5 parts of DLTP; 0.5 parts of zinc stearate; 25 parts of acetylene black; 3 parts of tribasic lead sulfate.
  • the raw materials were placed in a mixer and mixed, and the temperature was raised to 70 ° C, the mixing speed was 450 r / min, and the mixture was mixed for 2 hours.
  • the feeding section temperature is 180 °C
  • the body temperature is 205 °C, 210 °C, 215 °C, 220 °C, 225 °C
  • the head temperature is 230 °C, 235 °C, 240 °C, 245 °C, 250.
  • screw speed 40r/min feed speed 35r/min.
  • the relative density of the product is 0.93, the tensile strength is 55MPa, and the elongation is 650%.
  • the product has high temperature resistance, heat resistance temperature of 160°C, notched impact strength of 35kJ/m, cold resistance of -50°C, oxygen index of 50%, bending strength of 70MPa, and Brinell.
  • the hardness is 108, the cost is low, the operation is simple, the AC insulation and the through voltage are 60kV/mm, and it can be widely produced and continuously replaced with existing materials.

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Abstract

本发明属于绝缘材料领域，具体公开了一种低压配电箱绝缘材料，其按照重量份数配比称取PP、氢氧化铝、钛酸酯偶联剂、玻璃纤维、氯化石蜡、氧化锌、滑石粉、抗氧剂DLTP、硬脂酸锌、乙炔炭黑和三碱式硫酸铅，产品相对密度0.91-0.93，拉伸强度35-55MPa，伸长率450-650%；产品耐高温，耐热温度120-160℃，缺口冲击强度15-35kJ/m；耐寒性-50℃，氧指数30-50%，弯曲强度50-70MPa；布氏硬度104-108，成本低廉，操作简单，交流电绝缘及穿电压20-60kV/mm，可以广泛生产并不断代替现有材料。

Description

一种低压配电箱绝缘材料 技术领域
本申请属于绝缘材料领域，尤其涉及一种低压配电箱绝缘材料。
 背景技术
绝缘材料种类很多，可分气体、液体、固体三大类。常用的气体绝缘材料有空气、氮气、六氟化硫等。液体绝缘材料主要有矿物绝缘油、合成绝缘油（硅油、十二烷基苯、聚异丁烯、异丙基联苯、二芳基乙烷等）两类。固体绝缘材料可分有机、无机两类。有机固体绝缘材料包括绝缘漆、绝缘胶、绝缘纸、绝缘纤维制品、塑料、橡胶、漆布漆管及绝缘浸渍纤维制品、电工用薄膜、复合制品和粘带、电工用层压制品等。无机固体绝缘材料主要有云母、玻璃、陶瓷及其制品。相比之下，固体绝缘材料品种多样，也最为重要。
不同的电工设备对绝缘材料性能的要求各有侧重。高压电工装置如高压电机、高压电缆等用的绝缘材料要求有高的击穿强度和低的介质损耗。低压电器则以机械强度、断裂伸长率、 耐热等级等作为主要要求。
绝缘材料的宏观性能如电性能、热性能、力学性能、耐化学药品、耐气候变化、耐腐蚀等性能与它的化学组成、分子结构等有密切关系。无机固体绝缘材料主要是由硅、硼及多种金属氧化物组成，以离子型结构为主，主要特点为耐热性高，工作温度一般大于180℃,稳定性好，耐大气老化性、耐化学药品性及长期在电场作用下的老化性能好；但脆性高，耐冲击强度低，耐压高而抗张强度低；工艺性差。有机材料一般为聚合物，平均分子量在104～106 之间，其耐热性通常低于无机材料。含有芳环、杂环和硅、钛、氟等元素的材料其耐热性则高于一般线链形高分子材料。
影响绝缘材料介电性能的重要因素是分子极性的强弱和极性组分的含量。极性材料的介电常数、介质损耗均高于非极性材料，并且容易吸附杂质离子增加电导而降低其介电性能。故在绝缘材料制造过程中要注意清洁，防止污染。电容器用电介质要求有高的介电常数以提高其比特性。
绝缘材料的研制和开发的水平是影响制约电工技术发展的关键之一。从今后趋势来看，要求发展耐高压、耐热绝缘，无溶剂无公害绝缘，复合绝缘，耐腐蚀、耐水、耐油、耐深冷、耐辐照及阻燃材料，发展节能材料。重点是发展用于高压大容量发电机的环氧云母绝缘体系；中小型电机用的F、H级绝缘系列；高压输变电设备用的六氟化硫气态介质；取代氯化联苯的新型无毒合成介质；高性能绝缘油；合成纸复合绝缘；阻燃性橡塑材料和表面防护材料等，同时要积极加速传统电工设备用绝缘材料的更新换代。 
60年代含杂环和芳环的耐热树脂得到了大发展，如聚酰亚胺、聚芳酰胺、聚芳砜、聚苯硫醚等属 H级及更高耐热等级的材料。这些耐热材料的合成为以后发展 F级、H级电机创造了有利条件。聚丙烯薄膜在这一时期也成功地用于电力电容器。
70年代以来新材料的开发研究相对比较少，这一时期主要是对现有材料进行各种改性及扩大应用范围。对矿物绝缘油采用新方法精制以降低其损耗；环氧云母绝缘在提高其机械性能和实现无气隙以提高其电性能方面做了很多改进。电力电容器由纸膜复合结构向全膜结构过渡。1000千伏级特高压电力电缆开始研究用合成纸绝缘取代传统的天然纤维纸。无公害绝缘材料70年代以来也发展很快，如以无毒介质异丙基联苯、酯类油取代有毒介质氯化联苯，无溶剂漆的扩大应用等。随着家用电器的普及，其绝缘材料着火而导致重大火灾事故屡有发生，所以对阻燃材料的研究引起了重视。
本发明设计了一种强度高、硬度高、断裂伸长率高和绝缘性好的低压配电箱绝缘材料。
 技术问题
本申请针对上述技术问题，提供一种低压配电箱绝缘材料，解决现有绝缘才能强度低、伸长率低、硬度低的技术问题。
 技术解决方案
一种低压配电箱绝缘材料，所述低压配电箱绝缘材料的原料按重量份数配比如下：PP100份；氢氧化铝50-90份；钛酸酯偶联剂1.5-5.5份；玻璃纤维10-30份；氯化石蜡12-18份；氧化锌5-25份；滑石粉13-17份；抗氧剂DLTP0.5-2.5份；硬脂酸锌0.2-0.8份；乙炔炭黑为15-35份；三碱式硫酸铅1-5份。
作为本发明的一种优选技术方案：所述低压配电箱绝缘材料的原料按重量份数配比如下：PP100份；氢氧化铝60-80份；钛酸酯偶联剂2.5-4.5份；玻璃纤维15-25份；氯化石蜡13-17份；氧化锌10-20份；滑石粉14-16份；抗氧剂DLTP1-2份；硬脂酸锌0.3-0.7份；乙炔炭黑为20-30份；三碱式硫酸铅2-4份。
作为本发明的一种优选技术方案：所述低压配电箱绝缘材料的原料按重量份数配比如下：PP100份；氢氧化铝60份；钛酸酯偶联剂2.5份；玻璃纤维15份；氯化石蜡13份；氧化锌10份；滑石粉14份；抗氧剂DLTP1份；硬脂酸锌0.3份；乙炔炭黑为20份；三碱式硫酸铅2份。
作为本发明的一种优选技术方案：所述低压配电箱绝缘材料的原料按重量份数配比如下：PP100份；氢氧化铝80份；钛酸酯偶联剂4.5份；玻璃纤维25份；氯化石蜡17份；氧化锌20份；滑石粉16份；抗氧剂DLTP2份；硬脂酸锌0.7份；乙炔炭黑为30份；三碱式硫酸铅4份。
作为本发明的一种优选技术方案：所述低压配电箱绝缘材料的原料按重量份数配比如下：PP100份；氢氧化铝70份；钛酸酯偶联剂3.5份；玻璃纤维20份；氯化石蜡15份；氧化锌15份；滑石粉15份；抗氧剂DLTP1.5份；硬脂酸锌0.5份；乙炔炭黑为25份；三碱式硫酸铅3份。
 有益效果
本发明所述一种低压配电箱绝缘材料，采用以上技术方案与现有技术相比，具有以下技术效果：1、产品相对密度0.91-0.93，拉伸强度35-55MPa，伸长率450-650%；2、产品耐高温，耐热温度120-160℃，缺口冲击强度15-35kJ/m；3、耐寒性-50℃，氧指数30-50%，弯曲强度50-70MPa；4、布氏硬度104-108，成本低廉，操作简单，交流电绝缘及穿电压20-60kV/mm，可以广泛生产并不断代替现有材料。
 本发明的实施方式
实施例 1:
按照重量份数配比称取PP100份；氢氧化铝50份；钛酸酯偶联剂1.5份；玻璃纤维10份；氯化石蜡12份；氧化锌5份；滑石粉13份；抗氧剂DLTP0.5份；硬脂酸锌0.2份；乙炔炭黑为15份；三碱式硫酸铅1份。
将原料投入搅拌机混合，升温至60℃，混合速度为350r/min，混合1h。
混合均匀后投入双螺杆挤出机，加料段温度170℃，机身温度200℃、205℃、210℃、215℃、220℃，机头温度225℃、230℃、235℃、240℃、245℃，螺杆转速35r/min，投料转速30r/min。
产品相对密度0.91，拉伸强度35MPa，伸长率450%；产品耐高温，耐热温度120℃，缺口冲击强度15kJ/m；耐寒性-50℃，氧指数30%，弯曲强度50MPa；布氏硬度104，成本低廉，操作简单，交流电绝缘及穿电压20kV/mm，可以广泛生产并不断代替现有材料。
实施例 2:
按照重量份数配比称取PP100份；氢氧化铝90份；钛酸酯偶联剂5.5份；玻璃纤维30份；氯化石蜡18份；氧化锌25份；滑石粉17份；抗氧剂DLTP2.5份；硬脂酸锌0.8份；乙炔炭黑为35份；三碱式硫酸铅5份。
将原料投入搅拌机混合，升温至80℃，混合速度为550r/min，混合3h。
混合均匀后投入双螺杆挤出机，加料段温度190℃，机身温度210℃、215℃、220℃、225℃、230℃，机头温度235℃、240℃、245℃、250℃、255℃，螺杆转速45r/min，投料转速40 r/min。
产品相对密度0.91，拉伸强度40MPa，伸长率500%；产品耐高温，耐热温度130℃，缺口冲击强度20kJ/m；耐寒性-50℃，氧指数35%，弯曲强度55MPa；布氏硬度105，成本低廉，操作简单，交流电绝缘及穿电压30kV/mm，可以广泛生产并不断代替现有材料。
实施例 3:
按照重量份数配比称取PP100份；氢氧化铝60份；钛酸酯偶联剂2.5份；玻璃纤维15份；氯化石蜡13份；氧化锌10份；滑石粉14份；抗氧剂DLTP1份；硬脂酸锌0.3份；乙炔炭黑为20份；三碱式硫酸铅2份。
将原料投入搅拌机混合，升温至60℃，混合速度为350r/min，混合1h。
混合均匀后投入双螺杆挤出机，加料段温度170℃，机身温度200℃、205℃、210℃、215℃、220℃，机头温度225℃、230℃、235℃、240℃、245℃，螺杆转速35r/min，投料转速30r/min。
产品相对密度0.92，拉伸强度45MPa，伸长率550%；产品耐高温，耐热温度140℃，缺口冲击强度25kJ/m；耐寒性-50℃，氧指数40%，弯曲强度60MPa；布氏硬度106，成本低廉，操作简单，交流电绝缘及穿电压40kV/mm，可以广泛生产并不断代替现有材料。
实施例 4:
按照重量份数配比称取PP100份；氢氧化铝80份；钛酸酯偶联剂4.5份；玻璃纤维25份；氯化石蜡17份；氧化锌20份；滑石粉16份；抗氧剂DLTP2份；硬脂酸锌0.7份；乙炔炭黑为30份；三碱式硫酸铅4份。
将原料投入搅拌机混合，升温至80℃，混合速度为550r/min，混合3h。
混合均匀后投入双螺杆挤出机，加料段温度190℃，机身温度210℃、215℃、220℃、225℃、230℃，机头温度235℃、240℃、245℃、250℃、255℃，螺杆转速45r/min，投料转速40 r/min。
产品相对密度0.92，拉伸强度50MPa，伸长率600%；产品耐高温，耐热温度150℃，缺口冲击强度30kJ/m；耐寒性-50℃，氧指数45%，弯曲强度65MPa；布氏硬度107，成本低廉，操作简单，交流电绝缘及穿电压50kV/mm，可以广泛生产并不断代替现有材料。
实施例 5:
按照重量份数配比称取PP100份；氢氧化铝70份；钛酸酯偶联剂3.5份；玻璃纤维20份；氯化石蜡15份；氧化锌15份；滑石粉15份；抗氧剂DLTP1.5份；硬脂酸锌0.5份；乙炔炭黑为25份；三碱式硫酸铅3份。
将原料投入搅拌机混合，升温至70℃，混合速度为450r/min，混合2h。
混合均匀后投入双螺杆挤出机，加料段温度180℃，机身温度205℃、210℃、215℃、220℃、225℃，机头温度230℃、235℃、240℃、245℃、250℃，螺杆转速40r/min，投料转速35r/min。
产品相对密度0.93，拉伸强度55MPa，伸长率650%；产品耐高温，耐热温度160℃，缺口冲击强度35kJ/m；耐寒性-50℃，氧指数50%，弯曲强度70MPa；布氏硬度108，成本低廉，操作简单，交流电绝缘及穿电压60kV/mm，可以广泛生产并不断代替现有材料。
以上实施例中的组合物所有组分均可以商业购买。
上述实施例只是用于对本发明的内容进行阐述，而不是限制，因此在与本发明的权利要求书相当的含义和范围内的任何改变，都应该认为是包括在权利要求书的范围内。

Claims (5)

  1. 一种低压配电箱绝缘材料，其特征在于：所述低压配电箱绝缘材料，其原料按重量份数配比如下：PP100份；氢氧化铝50-90份；钛酸酯偶联剂1.5-5.5份；玻璃纤维10-30份；氯化石蜡12-18份；氧化锌5-25份；滑石粉13-17份；抗氧剂DLTP0.5-2.5份；硬脂酸锌0.2-0.8份；乙炔炭黑为15-35份；三碱式硫酸铅1-5份。
  2. 根据权利要求1所述的一种低压配电箱绝缘材料，其特征在于：所述低压配电箱绝缘材料，原料按重量份数配比如下：PP100份；氢氧化铝60-80份；钛酸酯偶联剂2.5-4.5份；玻璃纤维15-25份；氯化石蜡13-17份；氧化锌10-20份；滑石粉14-16份；抗氧剂DLTP1-2份；硬脂酸锌0.3-0.7份；乙炔炭黑为20-30份；三碱式硫酸铅2-4份。
  3. 根据权利要求1所述的一种低压配电箱绝缘材料，其特征在于：所述低压配电箱绝缘材料，其原料按重量份数配比如下：PP100份；氢氧化铝60份；钛酸酯偶联剂2.5份；玻璃纤维15份；氯化石蜡13份；氧化锌10份；滑石粉14份；抗氧剂DLTP1份；硬脂酸锌0.3份；乙炔炭黑为20份；三碱式硫酸铅2份。
  4. 根据权利要求1所述的一种低压配电箱绝缘材料，其特征在于：所述低压配电箱绝缘材料，其原料按重量份数配比如下：PP100份；氢氧化铝80份；钛酸酯偶联剂4.5份；玻璃纤维25份；氯化石蜡17份；氧化锌20份；滑石粉16份；抗氧剂DLTP2份；硬脂酸锌0.7份；乙炔炭黑为30份；三碱式硫酸铅4份。
  5. 根据权利要求1所述的一种低压配电箱绝缘材料，其特征在于：所述低压配电箱绝缘材料，其原料按重量份数配比如下：PP100份；氢氧化铝70份；钛酸酯偶联剂3.5份；玻璃纤维20份；氯化石蜡15份；氧化锌15份；滑石粉15份；抗氧剂DLTP1.5份；硬脂酸锌0.5份；乙炔炭黑为25份；三碱式硫酸铅3份。
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