WO2019232818A1 - 一种具有较高强硬度的电缆粒及其制备工艺 - Google Patents

一种具有较高强硬度的电缆粒及其制备工艺 Download PDF

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WO2019232818A1
WO2019232818A1 PCT/CN2018/091965 CN2018091965W WO2019232818A1 WO 2019232818 A1 WO2019232818 A1 WO 2019232818A1 CN 2018091965 W CN2018091965 W CN 2018091965W WO 2019232818 A1 WO2019232818 A1 WO 2019232818A1
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parts
cable
granule
mixture
insect repellent
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PCT/CN2018/091965
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English (en)
French (fr)
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袁森
贺盟
张向阳
袁柳淑
陈根霞
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盐城申源塑胶有限公司
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Priority to KR1020187019138A priority Critical patent/KR20210018560A/ko
Publication of WO2019232818A1 publication Critical patent/WO2019232818A1/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
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0853—Vinylacetate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/071—Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
    • 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
    • B29B11/00—Making preforms
    • B29B11/14—Making preforms characterised by structure or composition
    • 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
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/18—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
    • 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
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • 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
    • C08K11/00—Use of ingredients of unknown constitution, e.g. undefined reaction products
    • 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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • 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
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • 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
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2949/00—Indexing scheme relating to blow-moulding
    • B29C2949/07—Preforms or parisons characterised by their configuration
    • B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
    • 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
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • 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
    • C08K2201/007—Fragrance additive
    • 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
    • C08K2201/011—Nanostructured additives

Definitions

  • the invention relates to the field of cable materials, in particular to a cable granule with relatively high hardness and a preparation process thereof.
  • the object of the present invention is to provide a cable granule with higher hardness and its preparation process, which has the advantage of having stronger strength and hardness, and is suitable for outdoor complex environments.
  • the above-mentioned technical objective of the present invention is achieved by the following technical scheme: a cable granule with high strength is mainly made of the following raw materials by weight:
  • the invention further provides that the other auxiliary agents include 30 parts of light stabilizer, 20 parts of lubricant, 20 parts of tackifier, 30 parts of flame retardant, 30 parts of antistatic agent, and 20 parts of deodorant.
  • the invention further provides that the other auxiliary agents further include 30 parts of luminous powder and 40 parts of insect repellent fragrance.
  • insect-repellent fragrance includes 80 parts of wormwood leaves, 80 parts of citronella, 80 parts of Perran, 80 parts of peony, 80 parts of asarum, 80 parts of chrysanthemum and 80 parts of mint.
  • the present invention is further set as follows: (1) 80 parts of wormwood leaves, 80 parts of citronella, 80 parts of Perran, 80 parts of peony, 80 parts of asarum, 80 parts of chrysanthemum and 80 parts of mint are obtained through crushing-rolling-filtration-distillation Insect repellent liquid
  • the third mixture is added to a twin-screw extruder and blended and pelletized to obtain high-toughness cable pellets.
  • the present invention has the following beneficial effects:
  • the cable pellets have stronger hardness, which can be used in more complicated outdoor environments to extend the service life;
  • Adding nano-alumina to the cable grain can quickly fill the resin gap, which strengthens the density of the cable grain, which effectively improves the hardness of the cable grain;
  • the cable pellets have insect repellent effect.
  • Example 1 A cable granule with high hardness is mainly made of the following raw materials by weight: 30 parts of polyurethane resin, 30 parts of ethylene-vinyl acetate copolymer, 20 parts of nano-alumina, and alkali metal silicate catalyst 10 parts, compound lead salt 10 parts, methyl methacrylate 10 parts, light stabilizer 30 parts, lubricant 20 parts, tackifier 20 parts, flame retardant 30 parts, antistatic agent 30 parts, deodorant 20 30 parts of luminous powder and 40 parts of insect repellent flavors; the insect repellent flavors include 80 parts of artemisia leaves, 80 parts of citronella, 80 parts of Perrin, 80 parts of peony, 80 parts of asarum, 80 parts of chrysanthemum and 80 parts of mint.
  • the insect repellent flavors include 80 parts of artemisia leaves, 80 parts of citronella, 80 parts of Perrin, 80 parts of peony, 80 parts of asarum, 80 parts of chrysanthemum and 80 parts
  • Example 2 A cable granule with high hardness is mainly made of the following raw materials: 40 parts of polyurethane resin, 45 parts of ethylene-vinyl acetate copolymer, 35 parts of nano-alumina, and alkali metal silicate catalyst 18 parts, composite lead salt 20 parts, methyl methacrylate 20 parts, light stabilizer 30 parts, lubricant 20 parts, tackifier 20 parts, flame retardant 30 parts, antistatic agent 30 parts, deodorant 20 30 parts, luminous powder, and 40 parts of insect repellent flavors; the insect repellent flavors include 80 parts of wormwood leaves, 80 parts of citronella, 80 parts of Perrin, 80 parts of peony, 80 parts of asarum, 80 parts of chrysanthemum and 80 parts of mint.
  • the insect repellent flavors include 80 parts of wormwood leaves, 80 parts of citronella, 80 parts of Perrin, 80 parts of peony, 80 parts of asarum, 80 parts of chrysanthemum and 80 parts of mint.
  • Example 3 A cable granule with high hardness is mainly made of the following raw materials: 35 parts of polyurethane resin, 37.5 parts of ethylene-vinyl acetate copolymer, 27.5 parts of nano-alumina, and alkali metal silicate catalyst 14 parts, 15 parts of composite lead salt, 15 parts of methyl methacrylate, 30 parts of light stabilizer, 20 parts of lubricant, 20 parts of tackifier, 30 parts of flame retardant, 30 parts of antistatic agent, 20 deodorants 30 parts of luminous powder and 40 parts of insect repellent flavors; the insect repellent flavors include 80 parts of artemisia leaves, 80 parts of citronella, 80 parts of Perrin, 80 parts of peony, 80 parts of asarum, 80 parts of chrysanthemum and 80 parts of mint.
  • the insect repellent flavors include 80 parts of artemisia leaves, 80 parts of citronella, 80 parts of Perrin, 80 parts of peony, 80 parts of asarum, 80 parts of chry
  • the third mixture is added to a twin-screw extruder and blended and pelletized to obtain high-toughness cable pellets.
  • Example 2 As can be seen from the table, the strength index values of Example 2 are the largest, so the mechanical properties such as the hardness of the cable pellets obtained by processing according to the proportion of each formula in Example 2 are the best.

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

一种具有较高强硬度的电缆粒及其制备工艺，该电缆粒主要由以下重量份的原料制成：聚氨酯树脂30-40份；乙烯-醋酸乙烯共聚物30-45份；纳米氧化铝20-35份；碱金属硅酸盐催化剂10-18份；复合铅盐10-20份；甲基丙烯酸甲酯10-20份；其他助剂。该电缆粒具备更高的强度和硬度，适用于室外复杂的环境。

Description

一种具有较高强硬度的电缆粒及其制备工艺 技术领域
本发明涉及电缆料领域，尤其涉及一种具有较高强硬度的电缆粒及其制备工艺。
背景技术
随着经济的发展，电缆的需求市场广阔，推动着电缆料生产技术的进步，电缆料不仅用途广泛，而且对其性能指标有特殊的要求，比如绝缘性、拉伸强度、使用温度、阻燃性能等指标均有严格的要求，不断的提高电缆料的性能，是经济和社会发展的迫切需求，对于用于室外多复杂环境下的电缆料，由于经常雨外物抵触，所以对电缆料的强硬度有着较高的要求，以延长使用寿命，因此，急需改变原有电缆料配方，改进材料性能，以适应电缆市场多样的需求。
发明内容
本发明的目的是提供一种具有较高强硬度的电缆粒及其制备工艺，其优点在于，具备更强的强度和硬度，适用于室外复杂的环境中。本发明的上述技术目的是通过以下技术方案得以实现的:一种具有较高强硬度的电缆粒，主要由下列重量份的原料制成：
聚氨酯树脂30-40份；
乙烯-醋酸乙烯共聚物30-45份；
纳米氧化铝20-35份；
碱金属硅酸盐催化剂10-18份；
复合铅盐10-20份；
甲基丙烯酸甲酯10-20份；
其他助剂。
本发明进一步设置为：所述其他助剂包括光稳定剂30份、润滑剂20份、增黏剂20份、阻燃剂30份、抗静电剂30份、除味剂20份。
本发明进一步设置为：所述其他助剂还包括夜光粉30份和40份驱虫香料。
本发明进一步设置为：所述驱虫香料包括艾叶80份，藿香80份，佩兰80份，白芷80份，细辛80份，菊花80份，薄荷80份。
通过采用上述技术方案，
本发明进一步设置为：(1)、将艾叶80份，藿香80份，佩兰80份，白芷80份，细辛80份，菊花80份，薄荷80份通过粉碎-碾压-过滤-蒸馏得到驱虫香料液体；
(2)聚氨酯树脂30-40份、乙烯-醋酸乙烯共聚物30-45份、纳米氧化铝20-35份、碱金属硅酸盐催化剂10-18份、复合铅盐10-20份、甲基丙烯酸甲酯10-20份投入混合机充分混合30分钟，得到第一混合物；
(3)将第一混合物和光稳定剂30份、润滑剂20份、增黏剂20份、阻燃剂30份、抗静电剂30份、除味剂20份、夜光粉30份投入超声波振荡器中震荡混合1小时，得到第二混合物；
(4)将第二混合物投入搅拌机中进行搅拌，并每隔20分钟加入10份驱虫香料，搅拌混合1.5小时，得到第三混合物；
(5)将第三混合物加入双螺杆挤出机中共混造粒，制得高韧性的电 缆颗粒。
综上所述，本发明具有以下有益效果：
1、本电缆粒具备更强的硬度，可以适用于较为复杂的室外环境下，延长使用寿命；
2、本电缆粒中添加纳米氧化铝，可以快速填充于树脂空隙中，强本电缆粒密度，也就有效提高了电缆粒的硬度；
3、电缆料中添加荧光粉，电缆粒具备荧光作用；
4、电缆料中添加驱虫香料，电缆粒具备驱虫效果。
具体实施方式
以下结合附图对本发明作进一步详细说明。
实施例1：一种具有较高强硬度的电缆粒，主要由下列重量份的原料制成：聚氨酯树脂30份、乙烯-醋酸乙烯共聚物30份、纳米氧化铝20份、碱金属硅酸盐催化剂10份、复合铅盐10份、甲基丙烯酸甲酯10份、光稳定剂30份、润滑剂20份、增黏剂20份、阻燃剂30份、抗静电剂30份、除味剂20份；夜光粉30份以及40份驱虫香料；其中驱虫香料包括艾叶80份，藿香80份，佩兰80份，白芷80份，细辛80份，菊花80份，薄荷80份。
实施例2：一种具有较高强硬度的电缆粒，主要由下列重量份的原料制成：聚氨酯树脂40份、乙烯-醋酸乙烯共聚物45份、纳米氧化铝35份、碱金属硅酸盐催化剂18份、复合铅盐20份、甲基丙烯酸甲酯20份、光稳定剂30份、润滑剂20份、增黏剂20份、阻燃剂30份、抗静电剂30份、除味剂20份、夜光粉30份以及40份驱虫 香料；其中驱虫香料包括艾叶80份，藿香80份，佩兰80份，白芷80份，细辛80份，菊花80份，薄荷80份。
实施例3：一种具有较高强硬度的电缆粒，主要由下列重量份的原料制成：聚氨酯树脂35份、乙烯-醋酸乙烯共聚物37.5份、纳米氧化铝27.5份、碱金属硅酸盐催化剂14份、复合铅盐15份、甲基丙烯酸甲酯15份、光稳定剂30份、润滑剂20份、增黏剂20份、阻燃剂30份、抗静电剂30份、除味剂20份；夜光粉30份以及40份驱虫香料；其中驱虫香料包括艾叶80份，藿香80份，佩兰80份，白芷80份，细辛80份，菊花80份，薄荷80份。
其中，适用于实施例1-3的一种具有较高强硬度电缆粒的制备工艺，步骤如下：
(1)、将艾叶80份，藿香80份，佩兰80份，白芷80份，细辛80份，菊花80份，薄荷80份通过粉碎-碾压-过滤-蒸馏得到驱虫香料液体；
(2)聚氨酯树脂30-40份、乙烯-醋酸乙烯共聚物30-45份、纳米氧化铝20-35份、碱金属硅酸盐催化剂10-18份、复合铅盐10-20份、甲基丙烯酸甲酯10-20份投入混合机充分混合30分钟，得到第一混合物；
(3)将第一混合物和光稳定剂30份、润滑剂20份、增黏剂20份、阻燃剂30份、抗静电剂30份、除味剂20份、夜光粉30份投入超声波振荡器中震荡混合1小时，得到第二混合物；
(4)将第二混合物投入搅拌机中进行搅拌，并每隔20分钟加入10 份驱虫香料，搅拌混合1.5小时，得到第三混合物；
(5)将第三混合物加入双螺杆挤出机中共混造粒，制得高韧性的电缆颗粒。
以下针对实施例1-3进行分组实验后所得结果制成参阅表。
Figure PCTCN2018091965-appb-000001
由参阅表可见，实施例2的各项强度指标值最大，所以按实施例2中各个配方的比例进行加工所得的电缆粒的硬度等机械性能最好。
本具体实施例仅仅是对本发明的解释，其并不是对本发明的限制，本领域技术人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改，但只要在本发明的权利要求范围内都受到专利法的保护。

Claims (5)

  1. 一种具有较高强硬度的电缆粒，其特征在于，主要由下列重量份的原料制成：
    聚氨酯树脂30-40份；
    乙烯-醋酸乙烯共聚物30-45份；
    纳米氧化铝20-35份；
    碱金属硅酸盐催化剂10-18份；
    复合铅盐10-20份；
    甲基丙烯酸甲酯10-20份；
    其他助剂。
  2. 根据权利要求1所述的一种具有较高强硬度的电缆粒，其特征在于，所述其他助剂包括光稳定剂30份、润滑剂20份、增黏剂20份、阻燃剂30份、抗静电剂30份、除味剂20份。
  3. 根据权利要求1所述的一种具有较高强硬度的电缆粒，其特征在于，所述其他助剂还包括夜光粉30份和40份驱虫香料。
  4. 根据权利要求1所述的一种具有较高强硬度的电缆粒，其特征在于，所述驱虫香料包括艾叶80份，藿香80份，佩兰80份，白芷80份，细辛80份，菊花80份，薄荷80份。
  5. 一种具有较高强硬度的电缆粒的制备工艺，其特征在于，包括以下步骤：
    (1)、将艾叶80份，藿香80份，佩兰80份，白芷80份，细辛80份，菊花80份，薄荷80份通过粉碎-碾压-过滤-蒸馏得到驱虫香料 液体；
    (2)聚氨酯树脂30-40份、乙烯-醋酸乙烯共聚物30-45份、纳米氧化铝20-35份、碱金属硅酸盐催化剂10-18份、复合铅盐10-20份、甲基丙烯酸甲酯10-20份投入混合机充分混合30分钟，得到第一混合物；
    (3)将第一混合物和光稳定剂30份、润滑剂20份、增黏剂20份、阻燃剂30份、抗静电剂30份、除味剂20份、夜光粉30份投入超声波振荡器中震荡混合1小时，得到第二混合物；
    (4)将第二混合物投入搅拌机中进行搅拌，并每隔20分钟加入10份驱虫香料，搅拌混合1.5小时，得到第三混合物；
    (5)将第三混合物加入双螺杆挤出机中共混造粒，制得高韧性的电缆颗粒。
PCT/CN2018/091965 2018-06-07 2018-06-20 一种具有较高强硬度的电缆粒及其制备工艺 WO2019232818A1 (zh)

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