WO2018119619A1 - Shielding material for cable - Google Patents

Shielding material for cable Download PDF

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Publication number
WO2018119619A1
WO2018119619A1 PCT/CN2016/112251 CN2016112251W WO2018119619A1 WO 2018119619 A1 WO2018119619 A1 WO 2018119619A1 CN 2016112251 W CN2016112251 W CN 2016112251W WO 2018119619 A1 WO2018119619 A1 WO 2018119619A1
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parts
diatomaceous earth
weight
shielding material
reaction
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PCT/CN2016/112251
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French (fr)
Chinese (zh)
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辛范范
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辛范范
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Priority to PCT/CN2016/112251 priority Critical patent/WO2018119619A1/en
Publication of WO2018119619A1 publication Critical patent/WO2018119619A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • 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

Definitions

  • the present invention relates to a shielding material for a cable, and more particularly to an outer casing material for a cable.
  • the shielding involved in cables mainly includes conductor shielding, insulation shielding and metal shielding.
  • Metal shields are used to shield electromagnetic fields, usually with copper tape shields and copper wire shields, the former for stationary cables and the latter for mobile cables.
  • the conductor shield is a semiconductive material that is wrapped around the conductor and acts to homogenize the electric field to prevent corona generation.
  • the insulating shield is a semi-conductive material wrapped around the insulation and the grounding core. When the insulation of one phase is damaged, the main core is connected to the grounding wire core through the insulating shield, causing single-phase grounding fault, and the single-phase grounding protection action cuts off the power supply. , to prevent serious phase-to-phase short-circuit faults.
  • the commonly used rubber in the wire and cable industry is chlorinated polyethylene rubber and ethylene propylene rubber.
  • Adding a conductive filler to a semiconductive shielding material made of chlorinated polyethylene rubber causes difficulty in rubberizing and extruding rubber due to its hardness and Mooney viscosity.
  • the reason for this is that the conductive filler is structurally strong, and on the other hand, the chlorinated polyethylene rubber has a large Mooney viscosity due to the polarity of the molecular chain.
  • the technical problem to be solved by the present invention is to provide a shielding material for a cable.
  • the shielding material for cables provided by the present invention comprises the following raw material components in parts by weight: polyolefin plastic, 100 parts; white carbon black, 11-19 parts; polyisocyanurate, 10- 18 parts; urea-formaldehyde resin, 6-13 parts; alkenyl succinic acid, 8-14 parts; phosphite antioxidant, 2-8 parts; diatomaceous earth, 5-14 parts.
  • the diatomaceous earth used in the present invention has a particle diameter of 400 to 800 mesh, and the white carbon black has a particle diameter of 300 to 400 mesh.
  • the present invention provides an optimum combination comprising the following raw material components in parts by weight: polyolefin plastic, 100 parts; white carbon black, 17 parts; polyisocyanurate, 13 parts; urea-formaldehyde resin, 10 Part; alkenyl succinic acid, 11 parts; phosphite antioxidant, 7 parts; diatomaceous earth, 11 parts.
  • the present invention also provides a method of preparing the shielding material, comprising the following steps:
  • the present invention is prepared by modifying an existing cable material, selecting a specific raw material and a ratio, and has a good anti-electromagnetic radiation effect, and can be used for a long time under the normal working temperature of the conductor.
  • the shielding material for cable includes the following raw material components by weight: polyolefin plastic, 100 parts; white carbon black, 11 parts; polyisocyanurate, 10 parts; Urea-formaldehyde resin, 6 parts; alkenyl succinic acid, 8 parts; phosphite antioxidant, 2 parts; diatomaceous earth, 5 parts.
  • the diatomaceous earth has a particle diameter of 400 mesh, and the white carbon black has a particle diameter of 300 mesh.
  • a method of preparing the shielding material comprising the steps of:
  • the shielding material for a cable includes the following raw material components in parts by weight: polyene Hydrocarbon plastic, 100 parts; white carbon black, 17 parts; polyisocyanurate, 13 parts; urea-formaldehyde resin, 10 parts; alkenyl succinic acid, 11 parts; phosphite antioxidant, 7 parts; Diatomaceous earth, 11 parts.
  • the diatomaceous earth used in the present example has a particle diameter of 600 mesh, and the silica has a particle diameter of 400 mesh.
  • a method of preparing the shielding material comprising the steps of:
  • the shielding material for cable includes the following raw material components by weight: polyolefin plastic, 100 parts; white carbon black, 19 parts; polyisocyanurate, 18 parts; Urea-formaldehyde resin, 13 parts; alkenyl succinic acid, 14 parts; phosphite antioxidant, 8 parts; diatomaceous earth, 14 parts.
  • the diatomaceous earth has a particle diameter of 800 mesh, and the white carbon black has a particle diameter of 400 mesh.
  • a method of preparing the shielding material comprising the steps of:

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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)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Insulating Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

A shielding material for a cable, comprising the following raw material components in terms of parts by weight: a polyolefin plastic, 100 parts; white carbon black, 11-19 parts; polyisocyanurate, 10-18 parts; a ureaformaldehyde resin, 6-13 parts; alkenyl succinic acid, 8-14 parts; a phosphite ester antioxidant, 2-8 parts; and diatomaceous earth, 5-14 parts.

Description

电缆用屏蔽材料  Cable shielding material
技术领域  Technical field
[0001] 本发明涉及一种电缆用屏蔽材料， 具体是电缆用的外壳材料。  [0001] The present invention relates to a shielding material for a cable, and more particularly to an outer casing material for a cable.
背景技术  Background technique
[0002] 电缆中涉及到的屏蔽， 主要有导体屏蔽、 绝缘屏蔽和金属屏蔽。 金属屏蔽用于 屏蔽电磁场， 通常采用铜带屏蔽和铜丝屏蔽， 前者用于固定式电缆， 后者用于 移动式电缆。 导体屏蔽是包在导体外面的半导电材料， 其作用是均化电场， 防 止电晕的产生。 绝缘屏蔽是包在绝缘和接地芯线之外的半导电材料， 当一相绝 缘破损吋， 其主线芯经绝缘屏蔽与接地线芯相连， 造成单相接地故障， 使单相 接地保护动作切断电源， 防止了严重的相间短路故障的发生。 目前， 电线电缆 行业常用橡胶有氯化聚乙烯橡胶和乙丙橡胶。 将导电填料加入氯化聚乙烯橡胶 制成的半导电屏蔽材料， 因其硬度和门尼粘度较大而给炼胶和挤橡带来困难。 其原因一方面在于导电填料的结构性强， 另一方面在于氯化聚乙烯橡胶因分子 链具有极性而致使自身的门尼粘度较大。  [0002] The shielding involved in cables mainly includes conductor shielding, insulation shielding and metal shielding. Metal shields are used to shield electromagnetic fields, usually with copper tape shields and copper wire shields, the former for stationary cables and the latter for mobile cables. The conductor shield is a semiconductive material that is wrapped around the conductor and acts to homogenize the electric field to prevent corona generation. The insulating shield is a semi-conductive material wrapped around the insulation and the grounding core. When the insulation of one phase is damaged, the main core is connected to the grounding wire core through the insulating shield, causing single-phase grounding fault, and the single-phase grounding protection action cuts off the power supply. , to prevent serious phase-to-phase short-circuit faults. At present, the commonly used rubber in the wire and cable industry is chlorinated polyethylene rubber and ethylene propylene rubber. Adding a conductive filler to a semiconductive shielding material made of chlorinated polyethylene rubber causes difficulty in rubberizing and extruding rubber due to its hardness and Mooney viscosity. The reason for this is that the conductive filler is structurally strong, and on the other hand, the chlorinated polyethylene rubber has a large Mooney viscosity due to the polarity of the molecular chain.
技术问题  technical problem
[0003] 本发明所要解决的技术问题是： 提供一种电缆用屏蔽材料。  The technical problem to be solved by the present invention is to provide a shielding material for a cable.
问题的解决方案  Problem solution
技术解决方案  Technical solution
[0004] 为解决上述技术问题， 本发明采用的技术方案是： [0004] In order to solve the above technical problem, the technical solution adopted by the present invention is:
[0005] 本发明提供的电缆用屏蔽材料， 包括以下按照重量份数的的原料组分： 聚烯烃 塑料， 100份； 白炭黑， 11-19份； 聚异三聚氰酸酯， 10-18份； 脲醛树脂， 6-13 份； 烯基丁二酸， 8-14份； 亚磷酸酯类抗氧剂， 2-8份； 硅藻土， 5-14份。  [0005] The shielding material for cables provided by the present invention comprises the following raw material components in parts by weight: polyolefin plastic, 100 parts; white carbon black, 11-19 parts; polyisocyanurate, 10- 18 parts; urea-formaldehyde resin, 6-13 parts; alkenyl succinic acid, 8-14 parts; phosphite antioxidant, 2-8 parts; diatomaceous earth, 5-14 parts.
[0006] 为了取得更好的屏蔽效果， 本发明用到的硅藻土的粒径为 400-800目,白炭黑的 粒径为 300-400目。  In order to obtain a better shielding effect, the diatomaceous earth used in the present invention has a particle diameter of 400 to 800 mesh, and the white carbon black has a particle diameter of 300 to 400 mesh.
[0007] 进一步的， 本发明提供一种最佳的组合， 包括以下按照重量份数的的原料组分 ： 聚烯烃塑料， 100份； 白炭黑， 17份； 聚异三聚氰酸酯， 13份； 脲醛树脂， 10 份； 烯基丁二酸， 11份； 亚磷酸酯类抗氧剂， 7份； 硅藻土， 11份。 Further, the present invention provides an optimum combination comprising the following raw material components in parts by weight: polyolefin plastic, 100 parts; white carbon black, 17 parts; polyisocyanurate, 13 parts; urea-formaldehyde resin, 10 Part; alkenyl succinic acid, 11 parts; phosphite antioxidant, 7 parts; diatomaceous earth, 11 parts.
[0008] 本发明还提供一种制备所述的屏蔽材料的方法， 包括下列步骤： The present invention also provides a method of preparing the shielding material, comprising the following steps:
[0009] (1) 将聚烯烃塑料、 白炭黑加入幵炼机， 在 100-120°C条件下， 反应 l-2h; 然 后向幵炼机中加入三分之一重量的硅藻土， 反应 l-2h。 [0009] (1) adding polyolefin plastic, white carbon black to a smelting machine, at a temperature of 100-120 ° C, the reaction is 1-2 h; then adding a third of the weight of diatomaceous earth to the mill, Reaction l-2h.
[0010] (2) 加入聚异三聚氰酸酯、 脲醛树脂、 烯基丁二酸、 三分之一重量的硅藻土[0010] (2) adding polyisocyanurate, urea-formaldehyde resin, alkenyl succinic acid, one-third by weight of diatomaceous earth
， 升温到 120-130°C， 反应 2-3h。 , heat up to 120-130 ° C, reaction 2-3h.
[0011] (3) 反应结束后向反应釜中加入亚磷酸酯类抗氧剂和三分之一重量的硅藻土[0011] (3) After the reaction is completed, a phosphite antioxidant and one-third by weight of diatomaceous earth are added to the reaction vessel.
， 110-120°C， 反应 l-2h。 , 110-120 ° C, reaction l-2h.
发明的有益效果  Advantageous effects of the invention
有益效果  Beneficial effect
[0012] 本发明通过改进现有的电缆材料， 选用特定的原料和配比制备而成， 其具有良 好的防电磁波辐射效果， 可在导体的正常工作温度下长期使用。  [0012] The present invention is prepared by modifying an existing cable material, selecting a specific raw material and a ratio, and has a good anti-electromagnetic radiation effect, and can be used for a long time under the normal working temperature of the conductor.
实施该发明的最佳实施例  BEST MODE FOR CARRYING OUT THE INVENTION
本发明的最佳实施方式  BEST MODE FOR CARRYING OUT THE INVENTION
[0013] 实施例 1 Embodiment 1
[0014] 本实施例提供的电缆用屏蔽材料， 包括以下按照重量份数的的原料组分： 聚烯 烃塑料， 100份； 白炭黑， 11份； 聚异三聚氰酸酯， 10份； 脲醛树脂， 6份； 烯 基丁二酸， 8份； 亚磷酸酯类抗氧剂， 2份； 硅藻土， 5份。  [0014] The shielding material for cable provided in this embodiment includes the following raw material components by weight: polyolefin plastic, 100 parts; white carbon black, 11 parts; polyisocyanurate, 10 parts; Urea-formaldehyde resin, 6 parts; alkenyl succinic acid, 8 parts; phosphite antioxidant, 2 parts; diatomaceous earth, 5 parts.
[0015] 硅藻土的粒径为 400目，白炭黑的粒径为 300目。  [0015] The diatomaceous earth has a particle diameter of 400 mesh, and the white carbon black has a particle diameter of 300 mesh.
[0016] 制备所述的屏蔽材料的方法， 包括下列步骤：  [0016] A method of preparing the shielding material, comprising the steps of:
[0017] (1) 将聚烯烃塑料、 白炭黑加入幵炼机， 在 100°C条件下， 反应 lh; 然后向幵 炼机中加入三分之一重量的硅藻土， 反应 lh。  [0017] (1) Adding polyolefin plastic and white carbon black to a smelting machine, and reacting at 100 ° C for 1 hour; then adding one-third of the weight of diatomaceous earth to the smelting machine for 1 hour.
[0018] (2) 加入聚异三聚氰酸酯、 脲醛树脂、 烯基丁二酸、 三分之一重量的硅藻土[0018] (2) adding polyisocyanurate, urea-formaldehyde resin, alkenyl succinic acid, one-third by weight of diatomaceous earth
， 升温到 120°C， 反应 2-3h。 , heat up to 120 ° C, reaction 2-3h.
[0019] (3) 反应结束后向反应釜中加入亚磷酸酯类抗氧剂和三分之一重量的硅藻土[0019] (3) After the reaction, a phosphite antioxidant and a one-third by weight of diatomaceous earth are added to the reaction vessel.
， 110。C， 反应 lh。 , 110. C, reaction lh.
[0020] 实施例 2 [0020] Example 2
[0021] 本实施例提供的电缆用屏蔽材料， 包括以下按照重量份数的的原料组分： 聚烯 烃塑料， 100份； 白炭黑， 17份； 聚异三聚氰酸酯， 13份； 脲醛树脂， 10份； 烯 基丁二酸， 11份； 亚磷酸酯类抗氧剂， 7份； 硅藻土， 11份。 [0021] The shielding material for a cable provided in this embodiment includes the following raw material components in parts by weight: polyene Hydrocarbon plastic, 100 parts; white carbon black, 17 parts; polyisocyanurate, 13 parts; urea-formaldehyde resin, 10 parts; alkenyl succinic acid, 11 parts; phosphite antioxidant, 7 parts; Diatomaceous earth, 11 parts.
[0022] 本实施例用到的硅藻土的粒径为 600目，白炭黑的粒径为 400目。  [0022] The diatomaceous earth used in the present example has a particle diameter of 600 mesh, and the silica has a particle diameter of 400 mesh.
[0023] 制备所述的屏蔽材料的方法， 包括下列步骤：  [0023] A method of preparing the shielding material, comprising the steps of:
[0024] (1) 将聚烯烃塑料、 白炭黑加入幵炼机， 在 120°C条件下， 反应 2h; 然后向幵 炼机中加入三分之一重量的硅藻土， 反应 2h。  [0024] (1) Polyolefin plastic and white carbon black were placed in a kneader and reacted at 120 ° C for 2 h; then one-third by weight of diatomaceous earth was added to the smelting machine for 2 h.
[0025] (2) 加入聚异三聚氰酸酯、 脲醛树脂、 烯基丁二酸、 三分之一重量的硅藻土[0025] (2) adding polyisocyanurate, urea-formaldehyde resin, alkenyl succinic acid, one-third by weight of diatomaceous earth
， 升温到 130°C， 反应 3h。 , heat up to 130 ° C, reaction for 3 h.
[0026] (3) 反应结束后向反应釜中加入亚磷酸酯类抗氧剂和三分之一重量的硅藻土[0026] (3) After the reaction, a phosphite antioxidant and one-third by weight of diatomaceous earth are added to the reaction vessel.
， 110°C， 反应 2h。 , 110 ° C, reaction 2h.
[0027] 实施例 3 Embodiment 3
[0028] 本实施例提供的电缆用屏蔽材料， 包括以下按照重量份数的的原料组分： 聚烯 烃塑料， 100份； 白炭黑， 19份； 聚异三聚氰酸酯， 18份； 脲醛树脂， 13份； 烯 基丁二酸， 14份； 亚磷酸酯类抗氧剂， 8份； 硅藻土， 14份。  [0028] The shielding material for cable provided in this embodiment includes the following raw material components by weight: polyolefin plastic, 100 parts; white carbon black, 19 parts; polyisocyanurate, 18 parts; Urea-formaldehyde resin, 13 parts; alkenyl succinic acid, 14 parts; phosphite antioxidant, 8 parts; diatomaceous earth, 14 parts.
[0029] 硅藻土的粒径为 800目，白炭黑的粒径为 400目。  [0029] The diatomaceous earth has a particle diameter of 800 mesh, and the white carbon black has a particle diameter of 400 mesh.
[0030] 制备所述的屏蔽材料的方法， 包括下列步骤：  [0030] A method of preparing the shielding material, comprising the steps of:
[0031] (1) 将聚烯烃塑料、 白炭黑加入幵炼机， 在 120°C条件下， 反应 2h; 然后向幵 炼机中加入三分之一重量的硅藻土， 反应 2h。  [0031] (1) Polyolefin plastic and white carbon black were placed in a smelting machine and reacted at 120 ° C for 2 h; then one-third by weight of diatomaceous earth was added to the smelting machine for 2 h.
[0032] (2) 加入聚异三聚氰酸酯、 脲醛树脂、 烯基丁二酸、 三分之一重量的硅藻土[0032] (2) adding polyisocyanurate, urea-formaldehyde resin, alkenyl succinic acid, one-third by weight of diatomaceous earth
， 升温到 130°C， 反应 2h。 , The temperature was raised to 130 ° C, and the reaction was carried out for 2 h.
[0033] (3) 反应结束后向反应釜中加入亚磷酸酯类抗氧剂和三分之一重量的硅藻土[0033] (3) adding a phosphite antioxidant and one-third of the weight of diatomaceous earth to the reaction vessel after the reaction is completed.
， 120°C， 反应 2h。 , 120 ° C, reaction 2h.
[0034] 用实施例 2制备的电器材料进行性能测试， 具体数据如下： [0034] The electrical properties of the electrical materials prepared in Example 2 were tested. The specific data are as follows:
[] [表 1] [] [Table 1]
Figure imgf000005_0001
Figure imgf000005_0001
当然， 上述说明并非是对本发明的限制， 本发明也并不限于上述举例， 本技术 领域的普通技术人员， 在本发明的实质范围内， 作出的变化、 改型、 添加或替 换， 都应属于本发明的保护范围。  The above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should make changes, modifications, additions or substitutions within the scope of the present invention. The scope of protection of the present invention.

Claims

权利要求书 Claim
[权利要求 1] 一种电缆用屏蔽材料， 其特征在于： 包括以下按照重量份数的的原料 组分： 聚烯烃塑料， 100份； 白炭黑， 11-19份； 聚异三聚氰酸酯， 10 -18份； 脲醛树脂， 6-13份； 烯基丁二酸， 8-14份； 亚磷酸酯类抗氧剂 ， 2-8份; 硅藻土， 5-14份。  [Claim 1] A shielding material for a cable, comprising: the following raw material components in parts by weight: polyolefin plastic, 100 parts; white carbon black, 11-19 parts; polyisocyanuric acid Ester, 10-18 parts; urea-formaldehyde resin, 6-13 parts; alkenyl succinic acid, 8-14 parts; phosphite antioxidant, 2-8 parts; diatomaceous earth, 5-14 parts.
[权利要求 2] 根据权利要求 1所述的屏蔽材料， 其特征在于， 硅藻土的粒径为 400-8  [Claim 2] The shielding material according to claim 1, wherein the diatomaceous earth has a particle diameter of 400-8
00目，白炭黑的粒径为 300-400目。  At 00 mesh, the particle size of silica is 300-400 mesh.
[权利要求 3] 根据权利要求 1或 2所述的屏蔽材料， 其特征在于， 包括以下按照重量 份数的的原料组分： 聚烯烃塑料， 100份； 白炭黑， 17份； 聚异三聚 氰酸酯， 13份； 脲醛树脂， 10份； 烯基丁二酸， 11份； 亚磷酸酯类抗 氧剂， 7份； 硅藻土， 11份。  [Claim 3] The shielding material according to claim 1 or 2, comprising the following raw material components in parts by weight: polyolefin plastic, 100 parts; white carbon black, 17 parts; Polycyanate, 13 parts; urea-formaldehyde resin, 10 parts; alkenyl succinic acid, 11 parts; phosphite antioxidant, 7 parts; diatomaceous earth, 11 parts.
[权利要求 4] 制备上述任一项权利要求所述的屏蔽材料的方法， 包括下列步骤： (  [Claim 4] A method of preparing a shielding material according to any of the preceding claims, comprising the steps of:
1) 将聚烯烃塑料、 白炭黑加入幵炼机， 在 100-120°C条件下， 反应 1- 2h; 然后向幵炼机中加入三分之一重量的硅藻土， 反应 l-2h; (2) 加入聚异三聚氰酸酯、 脲醛树脂、 烯基丁二酸、 三分之一重量的硅藻 土， 升温到 120-130°C， 反应 2-3h; (3) 反应结束后向反应釜中加入 亚磷酸酯类抗氧剂和三分之一重量的硅藻土， 110-120°C， 反应 l-2h  1) Add polyolefin plastic and white carbon black to the smelting machine and react at 1-120 °C for 1 - 2 h; then add one-third of the weight of diatomaceous earth to the mill, and react for 1-2 h. (2) adding polyisocyanurate, urea-formaldehyde resin, alkenyl succinic acid, one-third of diatomaceous earth, heating to 120-130 ° C, reaction 2-3h; (3) end of reaction Adding a phosphite antioxidant and one-third of the weight of diatomaceous earth to the reaction kettle, 110-120 ° C, reaction l-2h
PCT/CN2016/112251 2016-12-27 2016-12-27 Shielding material for cable WO2018119619A1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102286166A (en) * 2011-08-25 2011-12-21 江门市三硕新材料有限公司 Anti-adhesion electroconductive plastic for film blowing
CN104080853A (en) * 2012-02-16 2014-10-01 博里利斯股份公司 Semi-conductive polymer composition
CN104558870A (en) * 2014-12-29 2015-04-29 北京化工大学 Preparation method of special polybutylene-based cable semi-conductive shielding layer flame-retardant material
CN105001637A (en) * 2015-08-17 2015-10-28 苏州凯欧曼新材料科技有限公司 High polymer material for pipeline and preparation method of high polymer material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102286166A (en) * 2011-08-25 2011-12-21 江门市三硕新材料有限公司 Anti-adhesion electroconductive plastic for film blowing
CN104080853A (en) * 2012-02-16 2014-10-01 博里利斯股份公司 Semi-conductive polymer composition
CN104558870A (en) * 2014-12-29 2015-04-29 北京化工大学 Preparation method of special polybutylene-based cable semi-conductive shielding layer flame-retardant material
CN105001637A (en) * 2015-08-17 2015-10-28 苏州凯欧曼新材料科技有限公司 High polymer material for pipeline and preparation method of high polymer material

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