WO2018045537A1 - 一种聚苯硫醚基绝缘材料及生产工艺 - Google Patents

一种聚苯硫醚基绝缘材料及生产工艺 Download PDF

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WO2018045537A1
WO2018045537A1 PCT/CN2016/098469 CN2016098469W WO2018045537A1 WO 2018045537 A1 WO2018045537 A1 WO 2018045537A1 CN 2016098469 W CN2016098469 W CN 2016098469W WO 2018045537 A1 WO2018045537 A1 WO 2018045537A1
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polyphenylene sulfide
compatibilizer
mica
material according
glass fiber
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PCT/CN2016/098469
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English (en)
French (fr)
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张翀
尹立
陈新
杨威
张卓
刘随军
黄兆阁
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全球能源互联网研究院有限公司
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Priority to PCT/CN2016/098469 priority Critical patent/WO2018045537A1/zh
Publication of WO2018045537A1 publication Critical patent/WO2018045537A1/zh

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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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/14—Glass
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
    • C08L81/02—Polythioethers; Polythioether-ethers

Definitions

  • the invention relates to a polyphenylene sulfide based insulating material and a production process thereof, and the invention particularly relates to a high-strength polyphenylene sulfide-based insulating material and a production process thereof for manufacturing a medium-voltage switch solid-sealed pole.
  • the solid-sealed pole is formed by inserting the vacuum interrupter and the circuit breaker-related conductive parts into the solid insulating material to form a pole, so that the entire circuit breaker pole becomes an integral part. It isolates the vacuum interrupter and other conductive components from the ambient air to avoid the influence of external forces and external environment on the arc extinguishing chamber and other conductive components, enhances the strength of the outer insulation, and minimizes the possibility of assembly. error. It requires materials with excellent heat resistance, mechanical properties and dielectric properties. At present, most solid-sealed poles are epoxy resin systems, and their mechanical properties and heat resistance need to be improved, and thermosetting epoxy resins are not conducive to large-scale injection molding, and are not conducive to recycling.
  • embodiments of the present invention are intended to provide a high-strength polyphenylene sulfide-based insulating material for manufacturing a medium-voltage switch solid-sealed pole and a production process thereof, aiming to provide a thermoplastic high temperature resistant Good mechanical properties and insulation properties for solid-sealed poles to meet practical needs.
  • Embodiments of the present invention provide a polyphenylene sulfide-based insulating material, which is formulated by the following formula, and the weight percentage thereof is: 45% to 60% of polyphenylene sulfide, 35% to 50% of chopped alkali-free glass fiber, and mica 5 % to 20%, compatibilizer 1% to 4%.
  • the embodiment of the invention provides a polyphenylene sulfide based insulating material, and the following formula is used for batching, and the parts by weight are: polyphenylene sulfide 45-60, chopped alkali-free glass fiber 35-50, mica 5-20, Compatibilizer 1 to 4.
  • the compatibilizer is 1 to 3 parts.
  • the compatibilizer is 1.5 parts.
  • the compatibilizer is an acrylate-grafted polyolefin-based compatibilizer.
  • Poly Phenylene Sulfide (PPS) resin used is injection molding grade.
  • the glass fiber (Glass Fibre, GF) is a chopped alkali-free type, and the fiber diameter is 10 ⁇ m to 13 ⁇ m; wherein ⁇ m represents a micrometer.
  • the mica used is a mica of 800 mesh to 1200 mesh which is surface-treated with a coupling agent KH-550.
  • the compatibilizer used is an ethylene-octene copolymer-glycidyl methacrylate terpolymer (POE-g-GMA) or an ethylene-methacrylate-glycidyl methacrylate terpolymer.
  • the mica used in the embodiment of the invention is uniformly treated in the composite material by surface treatment of the coupling agent KH-550, and further promotes the mechanical strength and dielectric strength of the polyphenylene sulfide/glass fiber composite material.
  • polyphenylene sulfide based insulating materials The production process of polyphenylene sulfide based insulating materials is:
  • the mixed raw materials are extruded and granulated by a parallel twin-screw extruder to obtain a polyphenylene sulfide-based insulating material, wherein the twin-screw extruder has an operating temperature of 270 ° C to 285 ° C and a screw speed of 60 r / min. ⁇ 100r/min, the speed of the cutting machine is 120r/min ⁇ 150r/min; wherein °C means Celsius; r/min means revolution/minute;
  • the formulation according to the embodiment of the present invention is weighed and extruded, granulated by a parallel twin-screw extruder, dried, and then weighed and packaged.
  • the polyphenylene sulfide-based insulating material according to the embodiment of the invention is used for manufacturing a medium-pressure switch solid-sealed pole.
  • the temperature of each section of the injection molding machine barrel should be controlled at 285 ° C to 300 ° C, and the head temperature is 300. °C ⁇ 305°C, injection pressure is 30MPa ⁇ 35MPa, holding pressure is not less than 40MPa, holding time is 3s-5s, cooling time is 10s ⁇ 20s, mold temperature is controlled at 130°C ⁇ 150°C; MPa means MPa , s means seconds.
  • Polyphenylene sulfide based insulating material is a thermoplastic material that is high temperature resistant and has good mechanical properties and insulating properties for solid-sealed poles. It can meet the needs of the real world and is beneficial to large-scale injection molding. Conducive to recycling.
  • the polyphenylene sulfide-based insulating material of the embodiment of the invention can be used for a solid-sealed pole of a medium-voltage switch, and has excellent dielectric strength, mechanical strength and heat deformation resistance.
  • polyphenylene sulfide is used as a main material, and according to the formula listed in Table 2, glass fiber and mica are used as reinforcing fillers according to the requirements of the present invention, and ethylene-octene copolymer-glycidyl methacrylate is used.
  • the meta-copolymer (POE-g-GMA) is a compatibilizer.
  • a similar compounding method was used, using magnesium sulfate whiskers as comparison 1 and kaolin as comparison 2.
  • the physical property measurement results of the seven different products produced according to the formulation in Table 2 are shown in Table 3.
  • the products obtained above were tested and tested: the material properties of Examples 4 and 5 were significantly better than those of the other Examples and Comparative Examples.
  • the test results show that the materials of the embodiments of the present invention have excellent tensile, bending and dielectric strength and can be used for manufacturing medium voltage switch solid-sealed poles.
  • the polyphenylene sulfide-based insulating material according to the embodiment of the invention can be used for a solid-sealed pole of a medium-voltage switch, and has excellent dielectric strength, mechanical strength and heat deformation resistance.
  • the polyphenylene sulfide-based insulating material is compounded according to the following formula, and the weight percentage thereof is: 45% to 60% of polyphenylene sulfide, 35% to 50% of chopped alkali-free glass fiber, and 5% of mica. 20%, the compatibilizer is 1% to 4%; the polyphenylene sulfide based insulating material can be used for the solid-sealed pole of the medium-voltage switch, and has excellent dielectric strength, mechanical strength and heat deformation resistance.

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

Abstract

一种聚苯硫醚基绝缘材料及生产工艺，其中，聚苯硫醚基绝缘材料由聚苯硫醚(PPS)、短切无碱玻璃纤维(GF)、云母和增容剂组成。所述聚苯硫醚基绝缘材料可用于中压开关的固封极柱，其介电强度、机械强度、耐热变形性能优良。

Description

一种聚苯硫醚基绝缘材料及生产工艺 技术领域
本发明涉及一种聚苯硫醚基绝缘材料及生产工艺，本发明具体涉及一种用于制造中压开关固封极柱的高强度聚苯硫醚基绝缘材料及生产工艺。
背景技术
固封极柱是将真空灭弧室和断路器相关的导电零件同时嵌入固体绝缘材料中形成极柱，使整个断路器极柱成为一个整体的部件。它将真空灭弧室和其他导电元件与外界环境空气隔离，避免外力和外界环境对灭弧室及其他导电元件的影响，增强了外绝缘强度，也最大限度地减少了装配过程中可能出现的差错。它要求材料具有优良的耐热性能、机械性能和介电性能。目前绝大多数固封极柱都是环氧树脂体系，它的机械性能和耐热性能有待提高，而且热固性的环氧树脂不利于大规模注塑加工，也不利于循环使用。
发明内容
为克服上述缺陷，本发明实施例期望提供一种用于制造中压开关固封极柱的高强度聚苯硫醚基绝缘材料及生产工艺，旨在给出一种热塑性的既耐高温又具有良好的机械性能和绝缘性能的用于固封极柱的材料，以满足实际中的需要。
为实现上述目的，本发明实施例的技术方案是这样实现的：
本发明实施例提供了一种聚苯硫醚基绝缘材料，以下配方进行配料，其重量百分比为：聚苯硫醚45％～60％，短切无碱玻璃纤维35％～50％，云母5％～20％，增容剂1％～4％。
或者采用如下技术方案：
本发明实施例提供了一种聚苯硫醚基绝缘材料，以下配方进行配料，其重量份数为：聚苯硫醚45～60，短切无碱玻璃纤维35～50，云母5～20，增容剂1～4。
上述方案中，可选地，增容剂为1～3份。
上述方案中，可选地，增容剂为1.5份。
上述方案中，可选地，增容剂为丙烯酸酯接枝聚烯烃类相容剂。
其中，所用聚苯硫醚(Poly Phenylene Sulfide，PPS)树脂为注塑级。
其中，所用玻璃纤维(Glass Fibre，GF)为短切无碱型，纤维直径为10μm～13μm；其中，μm表示微米。
其中，所用云母为经过偶联剂KH-550表面处理的800目～1200目的云母。
其中，所用相容剂为乙烯-辛烯共聚物-甲基丙烯酸缩水甘油酯三元共聚物(POE-g-GMA)或乙烯-甲基丙烯酸酯-甲基丙烯酸缩水甘油酯三元共聚物。
本发明实施例采用的云母经过偶联剂KH-550表面处理，可以在复合材料中均匀分散，并进一步促进聚苯硫醚/玻璃纤维复合材料的机械强度和介电强度。
聚苯硫醚基绝缘材料的生产工艺为：
(1)各原材料按配方比例混合；
(2)将混合好的原料用平行双螺杆挤出机挤出造粒制得聚苯硫醚基绝缘材料，其中双螺杆挤出机工作温度为270℃～285℃，螺杆转速为60r/min～100r/min，切料机转速为120r/min～150r/min；其中，℃是指摄氏度；r/min是指转/每分钟；
(3)在100℃～120℃温度下干燥3h～4h；其中，h是指小时。
按本发明实施例所述配方称料后用平行双螺杆挤出机挤出造粒，干燥，然后称重包装。
本发明实施例所述的聚苯硫醚基绝缘材料用于制造中压开关固封极柱，制品注塑成型时注塑机料筒各段温度应控制在285℃～300℃，机头温度为300℃～305℃，注射压力为30MPa～35MPa，保压压力不小于40MPa，保压时间3s-5s，冷却时间为10s～20s，模具温度控制在130℃～150℃；其中，MPa是指兆帕，s是指秒。
加工出标准要求的试样进行测试的各项性能见表1：
表1材料性能测试标准
性能 测试值 执行标准
拉伸强度，MPa 133～150 GB/T1040.2-2006/1A/20
弯曲强度，MPa 221～238 GB/T 9341-2008
悬臂梁无缺口冲击强度，kJ/m2 23～28 GB/T 1843-2008/U
热变形温度(1.82MPa，平放)，℃ 270～285 GB/T1634.2-2004
密度，g/cm3 1.61～1.64 GB/T1033.1-2008
阻燃性能 HB UL 94
介电强度，kV/mm 18～24 GB/T 1408.1-2006
成型收缩率，％ 0.05％～0.3％ GB/T 17037.4-2003
本发明实施例提供的技术方案具有以下有益效果：
聚苯硫醚基绝缘材料是一种热塑性的既耐高温又具有良好的机械性能和绝缘性能的用于固封极柱的材料，能满足实际中的需要，有利于大规模注塑加工，也有利于循环使用。本发明实施例的聚苯硫醚基绝缘材料可用于中压开关的固封极柱，其介电强度、机械强度、耐热变形性能优良。
具体实施方式
应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。下面通过实施例1-5和比较例1-2对本发明作进一步阐述，但本发明的范围并不限于此。
本发明实施例采用聚苯硫醚为主体材料，按照表2所列配方制备符合本发明要求的以玻璃纤维和云母为补强填料，以乙烯-辛烯共聚物-甲基丙烯酸缩水甘油酯三元共聚物(POE-g-GMA)为增容剂。采用相似的配料方法，使用硫酸镁晶须作为比较1，使用高岭土作为比较2。根据表2中的配方生产得到的7种不同产品的物性测定结果如表3所示。
表2本发明具体实施方式(单位：重量份)
Figure PCTCN2016098469-appb-000001
表3实施例1-5和比较例1-2材料性能测试结果
Figure PCTCN2016098469-appb-000002
Figure PCTCN2016098469-appb-000003
以上实施得到的产品，经过试验测试：实施例4和5的材料性能明显优于其它实施例和比较例的材料。测试结果表明本发明实施例的材料具有优良的拉伸、弯曲和介电强度，可用于制造中压开关固封极柱。
本发明实施例所述的聚苯硫醚基绝缘材料可用于中压开关的固封极柱，其介电强度、机械强度、耐热变形性能优良。
以上已以较佳实施例公开了本发明，然其并非用以限制本发明，凡采用等同替换或者等效替换方式所获得的技术方案，均落在本发明的保护范围之内。
工业实用性
本发明实施例中，聚苯硫醚基绝缘材料按照以下配方进行配料，其重量百分比为：聚苯硫醚45％～60％，短切无碱玻璃纤维35％～50％，云母5％～20％，增容剂1％～4％；该聚苯硫醚基绝缘材料可用于中压开关的固封极柱，其介电强度、机械强度、耐热变形性能优良。

Claims (10)

  1. 一种聚苯硫醚基绝缘材料，主要由聚苯硫醚、短切无碱玻璃纤维、云母和增容剂组成，其中，各原料重量百分比为：聚苯硫醚45％～60％，短切无碱玻璃纤维35％～50％，云母5％～20％，增容剂1％～4％。
  2. 一种聚苯硫醚基绝缘材料，主要由聚苯硫醚、短切无碱玻璃纤维、云母和增容剂组成，其中，各原料重量百分比为：聚苯硫醚45～60，短切无碱玻璃纤维35～50，云母5～20，增容剂1～4。
  3. 根据权利要求1或2所述的材料，其中，所述玻璃纤维为短切无碱型，纤维直径为10μm～13μm。
  4. 根据权利要求1或2所述的材料，其中，所述云母为经过偶联剂KH-550表面处理的800目～1200目的云母。
  5. 根据权利要求1或2所述的材料，其中，所述增容剂为1～3份。
  6. 根据权利要求1或2所述的材料，其中，所述增容剂为丙烯酸酯接枝聚烯烃类相容剂。
  7. 根据权利要求6所述的材料，其中，所述相容剂为乙烯-辛烯共聚物-甲基丙烯酸缩水甘油酯三元共聚物或乙烯-甲基丙烯酸酯-甲基丙烯酸缩水甘油酯三元共聚物。
  8. 权利要求1或2所述的聚苯硫醚基绝缘材料的生产工艺为：
    (1)各原材料按比例混合；
    (2)将混合好的原料用平行双螺杆挤出机挤出造粒制得聚苯硫醚基复合材料，其中双螺杆挤出机工作温度为270℃～285℃，螺杆转速为60r/min～100r/min，切料机转速为120r/min～150r/min；
    (3)在100℃～120℃温度下干燥3h～4h。
  9. 权利要求1或2所述的聚苯硫醚基绝缘材料的用途，用于制造中压开关固封极柱。
  10. 根据权利要求9所述的用途，其中，制品注塑成型时注塑机料筒各段温度应控制在285℃～300℃，机头温度为300℃～305℃，注射压力为30MPa～35MPa，保压压力不小于40MPa，保压时间3s-5s，冷却时间为10s～20s，模具温度控制在130℃～150℃。
PCT/CN2016/098469 2016-09-08 2016-09-08 一种聚苯硫醚基绝缘材料及生产工艺 WO2018045537A1 (zh)

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Publication number Priority date Publication date Assignee Title
CN112266614A (zh) * 2020-10-19 2021-01-26 广东华聚科技有限公司 聚苯硫醚复合材料及其制备方法和注塑制件
CN115433460A (zh) * 2021-04-14 2022-12-06 湖南匡楚科技有限公司 一种高强度耐冲击脚手架

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