WO2017201708A1 - 液压蓄能器胶囊用胶料 - Google Patents

液压蓄能器胶囊用胶料 Download PDF

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WO2017201708A1
WO2017201708A1 PCT/CN2016/083448 CN2016083448W WO2017201708A1 WO 2017201708 A1 WO2017201708 A1 WO 2017201708A1 CN 2016083448 W CN2016083448 W CN 2016083448W WO 2017201708 A1 WO2017201708 A1 WO 2017201708A1
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weight
parts
rubber
carbon black
hydraulic accumulator
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PCT/CN2016/083448
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English (en)
French (fr)
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赵慧江
赵腾宇
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石家庄市西姆克科技有限责任公司
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Priority to PCT/CN2016/083448 priority Critical patent/WO2017201708A1/zh
Priority to CN201680003569.0A priority patent/CN107484417A/zh
Publication of WO2017201708A1 publication Critical patent/WO2017201708A1/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
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08L9/02—Copolymers with acrylonitrile
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/01—Hydrocarbons
    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/45—Heterocyclic compounds having sulfur in the ring
    • C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
    • C08K5/47—Thiazoles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • 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
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc
    • 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
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • 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
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

Definitions

  • the invention relates to a rubber accumulator capsule compound, belonging to the technical field of rubber preparation.
  • Accumulator capsules are an important part of capsule accumulators.
  • the prior art accumulator capsules are made of rubber and are flexible for storing compressed inert gases. A certain amount of nitrogen gas is injected into the capsule, and the hydraulic oil is filled outside the capsule. The capsule is deformed by the squeeze of the hydraulic oil, thereby compressing the nitrogen to store energy, and vice versa.
  • the prior art accumulator capsule is made of material such as nitrile rubber.
  • the volume change before and after the capsule is pressurized is less than 1 time, and the energy in the pulsating pressure and the flow rate cannot be absorbed in a large amount. Therefore, the storage energy is insufficient, and the thermal expansion compensation performance is poor. Absorbing hydraulic shock, it is impossible to eliminate pulsation and noise reduction.
  • the object of the present invention is to provide a hydraulic accumulator capsule compound, which has a large volume change of the capsule prepared by the capsule, and can effectively absorb pressure pulsation and moderate impact pressure; long life.
  • the present invention provides a rubber accumulator capsule compound, characterized in that the nitrile rubber is 50-90 parts by weight; the polyvinyl chloride plastic 10-50 parts by weight; the zinc oxide 3-5 weight Parts; stearic acid 1 - 1.5 parts by weight; paraffin 0.5 - 1 part by weight; antioxidant 2.5 - 3 parts by weight; N220 carbon black 40 - 42.5 parts by weight; N774 carbon black 7.5 - 10 parts; plasticizer 20-22 weight Parts; S-80 vulcanizing agent 1.5-1.8 parts; DM vulcanizing agent 0.85-1.2 parts.
  • the nitrile rubber is 60-80 parts by weight; the polyvinyl chloride plastic is 20-40 parts by weight.
  • the rubber accumulator capsule provided by the invention has smoothness, no impurity, ozone resistance, high temperature resistance and low temperature performance after being extruded into a capsule, and the volume change before and after the capsule is large, and can be absorbed in a large amount.
  • the energy in the pulsating pressure and flow rate fully stores energy, and the thermal expansion compensation is good, which can eliminate pulsation and noise reduction.
  • the invention provides a rubber accumulator capsule compound, which is prepared from at least the following parts by weight: 50-90 parts by weight of nitrile rubber; 10-50 parts by weight of polyvinyl chloride plastic; 3-5 parts by weight of zinc oxide. 1 - 1.5 parts by weight of stearic acid; 0.5 - 1 part by weight of paraffin; 2.5 - 3 parts by weight of anti-aging agent; 40 - 42.5 parts by weight of N220 carbon black Parts; 7.5-10 parts of N774 carbon black; 20-22 parts by weight of plasticizer; 1.5-1.8 parts of S-80 vulcanizing agent; 0.85-1.2 parts of DM vulcanizing agent.
  • the capsule for the hydraulic accumulator capsule provided in the first embodiment of the present invention is prepared from at least the following raw materials by weight: 70 parts by weight of nitrile rubber; 30 parts by weight of polyvinyl chloride plastic; 3 parts by weight of zinc oxide; stearic acid 1 part by weight; 1 part by weight of paraffin; 2.5 parts by weight of antioxidant; 40 parts by weight of N220 carbon black; 7.5 parts by weight of N774 carbon black; 20 parts by weight of plasticizer; 1.5 parts by weight of S-80 vulcanizing agent; 0.85 by weight of DM vulcanizing agent Share.
  • the first step the so-called parts by weight of nitrile rubber, polyvinyl chloride plastic, zinc oxide, stearic acid, paraffin and 4010NA anti-aging agent are mixed into the mixer, the mixing temperature is controlled at 80 ° C, the time is about 6min, the Mooney viscosity of nitrile rubber is processed to between 55-60.
  • the second step adding 2/3 of the N220 carbon black in the above-mentioned weight fraction and 1/2 of the N774 carbon black in the weight part to be kneaded to obtain the master batch, and the mixing temperature is controlled at 80. °C, the time is about 6min;
  • the third step adding 1/3 of the N220 carbon black of the weighed parts, 1/2 parts of the N774 carbon black and the DOA plasticizer in the weight part to be kneaded to obtain the master batch, and the mixing temperature is controlled at 80 ° C, the time is about 4 min;
  • the fourth step the masterbatch is placed in a filter machine for filtration, and then placed in an open mill to add the so-called weight part of the S-80 vulcanizing agent and the weighed portion of the DM vulcanizing agent for kneading to obtain a rubber compound. ;
  • the fifth step refining the rubber compound on the hot-smelting machine to improve the mixing uniformity of the rubber compound and further increase the plasticity;
  • Step 6 Put the rubber compound into the calender film, put it into the extruder to extrude the film, and then cool the film.
  • the hydraulic accumulator capsule for the second embodiment of the present invention is prepared from at least the following raw materials by weight: 90 parts by weight of nitrile rubber; 50 parts by weight of polyvinyl chloride plastic; 5 parts by weight of zinc oxide; stearic acid 1.5 parts by weight; 0.5 parts by weight of paraffin; 3 parts by weight of antioxidant; 40 parts by weight of N220 carbon black; 7.5 parts by weight of N774 carbon black; 22 parts by weight of plasticizer; 1.8 parts by weight of S-80 vulcanizing agent; Share.
  • the preparation of the hydraulic accumulator capsule compound comprises the following steps:
  • the first step the so-called parts by weight of nitrile rubber, polyvinyl chloride plastic, zinc oxide, stearic acid, paraffin and 4010NA anti-aging agent are mixed into the mixer, the mixing temperature is controlled at 83 ° C, the time is about 8min,
  • the Mooney viscosity of nitrile rubber is preferably between 55 and 60.
  • the second step adding 2/3 of the N220 carbon black in the above-mentioned weight fraction and 1/2 of the N774 carbon black in the weighed portion to obtain the master batch, and the mixing temperature is controlled at 83. °C, the time is about 8min;
  • the third step further adding 1/3 of the N220 carbon black, 1/2 part by weight of the N774 carbon black and the weight part of the DOA plasticizer to be kneaded to obtain a master batch.
  • the mixing temperature is controlled at 83 ° C, and the time is about 4 min;
  • the fourth step the masterbatch is placed in a filter machine for filtration, and then placed in an open mill to add the so-called weight part of the S-80 vulcanizing agent and the weighed portion of the DM vulcanizing agent for kneading to obtain a rubber compound. ;
  • the fifth step refining the rubber compound on the hot-smelting machine to improve the mixing uniformity of the rubber compound and further increase the plasticity;
  • Step 6 Put the rubber compound into the calender film, put it into the extruder to extrude the film, and then cool the film.
  • the capsule for the hydraulic accumulator capsule provided by the third embodiment of the present invention is prepared from at least the following raw materials by weight: 90 parts by weight of nitrile rubber; 50 parts by weight of polyvinyl chloride plastic; 5 parts by weight of zinc oxide; stearic acid 1.5 parts by weight; 0.5 parts by weight of paraffin; 3 parts by weight of antioxidant; 40 parts by weight of N220 carbon black; 7.5 parts by weight of N774 carbon black; 22 parts by weight of plasticizer; 1.8 parts by weight of S-80 vulcanizing agent; Share.
  • Embodiment 2 of the present invention provides a method for preparing a rubber accumulator capsule compound, including
  • the first step the so-called parts by weight of nitrile rubber, polyvinyl chloride plastic, zinc oxide, stearic acid, paraffin and 4010NA anti-aging agent are mixed into the mixer, the mixing temperature is controlled at 77 ° C, the time is about 8min, the Mooney viscosity of nitrile rubber is processed to between 55-60.
  • the second step adding 2/3 of the N220 carbon black in the above-mentioned weight fraction and 1/2 of the N774 carbon black in the weighed portion to obtain the master batch, and the mixing temperature is controlled at 77. °C, the time is about 8min;
  • the third step further adding 1/3 of the N220 carbon black, 1/2 part by weight of the N774 carbon black and the weight part of the DOA plasticizer to be kneaded to obtain a master batch.
  • the mixing temperature is controlled at 77 ° C, and the time is about 4 min;
  • the fourth step the masterbatch is placed in a filter machine for filtration, and then placed in an open mill to add the so-called weight part of the S-80 vulcanizing agent and the weighed portion of the DM vulcanizing agent for kneading to obtain a rubber compound. ;
  • Step 5 Refining the rubber compound on the hot-smelting machine to improve the mixing uniformity of the rubber compound and further increase Plasticity
  • Step 6 Put the rubber compound into the calender film, put it into the extruder to extrude the film, and then cool the film.
  • the capsule for the hydraulic accumulator capsule provided in the fourth embodiment of the present invention is prepared from at least the following raw materials by weight: 50 parts by weight of nitrile rubber; 10 parts by weight of polyvinyl chloride plastic; 3 parts by weight of zinc oxide; stearic acid 1 part by weight; 1 part by weight of paraffin; 3 parts by weight of antioxidant; 42.5 parts by weight of N220 carbon black; 7.5 parts by weight of N774 carbon black; 22 parts by weight of plasticizer; 1.5 parts by weight of S-80 vulcanizing agent; 0.85 by weight of DM vulcanizing agent Share.
  • the first step the so-called parts by weight of nitrile rubber, polyvinyl chloride plastic, zinc oxide, stearic acid, paraffin and 4010NA anti-aging agent are mixed into the mixer, the mixing temperature is controlled at 85 ° C, the time is about 7min, the Mooney viscosity of nitrile rubber is processed to between 55-60.
  • the second step adding 2/3 of the N220 carbon black in the above-mentioned weight fraction and 1/2 of the N774 carbon black in the weighed portion to obtain the master batch, and the mixing temperature is controlled at 85 ° C. , the time is about 7min;
  • the third step further adding 1/3 of the N220 carbon black, 1/2 part by weight of the N774 carbon black and the weight part of the DOA plasticizer to be kneaded to obtain a master batch.
  • the mixing temperature is controlled at 85 ° C, and the time is about 6 min;
  • the fourth step the masterbatch is placed in a filter machine for filtration, and then placed in an open mill to add the so-called weight part of the S-80 vulcanizing agent and the weighed portion of the DM vulcanizing agent for kneading to obtain a rubber compound. ;
  • the fifth step refining the rubber compound on the hot-smelting machine to improve the mixing uniformity of the rubber compound and further increase the plasticity;
  • Step 6 Put the rubber compound into the calender film, put it into the extruder to extrude the film, and then cool the film.
  • the rubber-plastic alloy glue of the invention adopts nitrile rubber as the main substrate, and a part of polyvinyl chloride is added to effectively modify the material. From the perspective of research on polymer materials, the polyacrylonitrile (PVC) macromolecule is used for the nitrile.
  • PVC polyacrylonitrile
  • NBR long chain of rubber
  • the hydraulic accumulator capsule compound provided by the invention not only solves the technical problems of short service life in the prior art, but also makes the polycyclic aromatic hydrocarbon content in the capsule fully comply with the environmental protection requirements of the European Union, and the PAHs content of the polycyclic aromatic hydrocarbons is adopted by GC-
  • the MS method is used for analysis and testing, and the result is not more than 0.5mg/kg, which fully meets the requirements of the European Union, and does not change the high elasticity and sealing property in the concentrated solvent of concentrated oil for a long time, and is long-term work under high temperature and high pressure environment. It is not easy to age, maintains the high elasticity of the capsule and improves its service life.
  • the capsule prepared by using the hydraulic accumulator capsule compound provided by the invention has a large volume change, and can effectively absorb the pressure pulsation and relieve the impact pressure, and has a long service life. It has strong industrial applicability and operability in the industry and can be realized industrially.

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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)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Abstract

一种液压蓄能器胶囊用胶料，属于橡胶制备技术领域。液压蓄能器胶囊用胶料至少由下例重量份的原料制备：丁腈橡胶50‐90重量份；聚氯乙烯塑料10‐50重量份；氧化锌3‐5重量份；硬脂酸1‐1.5重量份；石蜡0.5‐1重量份；防老剂2.5‐3重量份；N220炭黑40‐42.5重量份；N774炭黑7.5‐10份；增塑剂20‐22重量份；S‐80硫化剂1.5‐1.8份；DM硫化剂0.85‐1.2份。本发明提供的液压蓄能器胶囊用胶料在挤出胶囊后光滑、无杂质、耐臭氧、耐高温、低温性能好，胶囊冲压前后的体积变化大，能大量吸收脉动压力和流量中的能量，充分存储能量，热膨胀补偿性好，可消除脉动、降噪。

Description

液压蓄能器胶囊用胶料 技术领域
本发明涉及一种液压蓄能器胶囊用胶料，属于橡胶制备技术领域。
背景技术
蓄能器胶囊，是胶囊式蓄能器的重要组成部分，现有技术的蓄能器胶囊由橡胶制成，具有可伸缩性，用于储藏压缩后的惰性气体。胶囊内会注入一定气压的氮气，在胶囊外则是充入液压油，胶囊会随着液压油的挤压而变形，从而压缩氮气来蓄能，反之则是释放能量。
现有技术的蓄能器胶囊单纯由丁腈橡胶等材料制作，胶囊充压前后的体积变化不足1倍，不能大量吸收脉动压力和流量中的能量，因此存储能量不足，热膨胀补偿性能差，不能吸收液压冲击，无法消除脉动、降噪。
发明内容
为克服现有技术中存在的缺点，本发明的发明目的是提供一种液压蓄能器胶囊胶料，利用其制备的胶囊体积变化量大，能有效吸收压力脉动缓和冲击压力的功能强；使用寿命长。
为实现所述发明目的，本发明提供一种液压蓄能器胶囊用胶料，其特征在于，丁腈橡胶50‐90重量份；聚氯乙烯塑料10‐50重量份；氧化锌3‐5重量份；硬脂酸1‐1.5重量份；石蜡0.5‐1重量份；防老剂2.5‐3重量份；N220炭黑40‐42.5重量份；N774炭黑7.5‐10份；增塑剂20‐22重量份；S‐80硫化剂1.5‐1.8份；DM硫化剂0.85‐1.2份。
优选地，丁腈橡胶为60‐80重量份；聚氯乙烯塑料20‐40重量份。
与现有技术相比，本发明提供的液压蓄能器胶囊用胶料在挤出胶囊后光滑、无杂质、耐臭氧、耐高温、低温性能好，胶囊冲压前后的体积变化大，能大量吸收脉动压力和流量中的能量，充分存储能量，热膨胀补偿性好，可消除脉动、降噪。
具体实施方式
下面结合实施例详细说明本发明。
本发明提供一种液压蓄能器胶囊用胶料，至少由下例重量份的原料制备：丁腈橡胶50‐90重量份；聚氯乙烯塑料10‐50重量份；氧化锌3‐5重量份；硬脂酸1‐1.5重量份；石蜡0.5‐1重量份；防老剂2.5‐3重量份；N220炭黑40‐42.5重量 份；N774炭黑7.5‐10份；增塑剂20‐22重量份；S‐80硫化剂1.5‐1.8份；DM硫化剂0.85‐1.2份。
实施例1
本发明实施例1提供的确液压蓄能器胶囊用胶料，至少由下例重量份的原料制备：丁腈橡胶70重量份；聚氯乙烯塑料30重量份；氧化锌3重量份；硬脂酸1重量份；石蜡1重量份；防老剂2.5重量份；N220炭黑40重量份；N774炭黑7.5重量份；增塑剂20重量份；S‐80硫化剂1.5重量份；DM硫化剂0.85重量份。
本发明实施例1提供的液压蓄能器胶囊用胶料的制备包括如下步骤：
第一步：将所称重量份的丁腈橡胶、聚氯乙烯塑料、氧化锌、硬脂酸、石蜡和4010NA防老剂入密炼机进行混炼，混炼温度控制在80℃，时间约为6min，丁腈橡胶的门尼粘度加工至在55‐60之间为宜。
第二步：在上述胶料中再加入所称重量份的2/3的N220炭黑和所称重量份的1/2的N774炭黑进行混炼得到母炼胶，混炼温度控制在80℃，时间约为6min；
第三步；再加入所称重量份的1/3的N220炭黑、所称重量份的1/2的N774炭黑和DOA增塑剂进行混炼，得到母炼胶，混炼温度控制在80℃，时间约为4min；
第四步：将母炼胶放入过滤胶机过滤，而后放入开炼机进再加入所称重量份的S‐80硫化剂和所称重量份的DM硫化剂进行混炼得到混炼胶；
第五步：将混炼胶在热炼机上翻炼，提高胶料的混炼均匀性，进一步增加可塑性；
第六步：将混炼胶放入到压延机胶片，再放入挤出机挤出胶片，而后下片冷却。
实施例2
本发明实施例2提供的液压蓄能器胶囊用胶料，至少由下例重量份的原料制备：丁腈橡胶90重量份；聚氯乙烯塑料50重量份；氧化锌5重量份；硬脂酸1.5重量份；石蜡0.5重量份；防老剂3重量份；N220炭黑40重量份；N774炭黑7.5重量份；增塑剂22重量份；S‐80硫化剂1.8重量份；DM硫化剂1.2重量份。
液压蓄能器胶囊用胶料的制备包括如下步骤：
第一步：将所称重量份的丁腈橡胶、聚氯乙烯塑料、氧化锌、硬脂酸、石蜡和4010NA防老剂入密炼机进行混炼，混炼温度控制在83℃，时间约为8min， 丁腈橡胶的门尼粘度加工至在55‐60之间为宜。
第二步：在上述胶料中再加入所称重量份的2/3的N220炭黑和所称重量份的1/2的N774炭黑进行混炼得到母炼胶，混炼温度控制在83℃，时间约为8min；
第三步；再加入所称重量份的1/3的N220炭黑、所称重量份的1/2的N774炭黑和所称重量份的DOA增塑剂进行混炼，得到母炼胶，混炼温度控制在83℃，时间约为4min；
第四步：将母炼胶放入过滤胶机过滤，而后放入开炼机进再加入所称重量份的S‐80硫化剂和所称重量份的DM硫化剂进行混炼得到混炼胶；
第五步：将混炼胶在热炼机上翻炼，提高胶料的混炼均匀性，进一步增加可塑性；
第六步：将混炼胶放入到压延机胶片，再放入挤出机挤出胶片，而后下片冷却。
实施例3
本发明实施例3提供的确液压蓄能器胶囊用胶料，至少由下例重量份的原料制备：丁腈橡胶90重量份；聚氯乙烯塑料50重量份；氧化锌5重量份；硬脂酸1.5重量份；石蜡0.5重量份；防老剂3重量份；N220炭黑40重量份；N774炭黑7.5重量份；增塑剂22重量份；S‐80硫化剂1.8重量份；DM硫化剂1.2重量份。
本发明实施例2提供液压蓄能器胶囊用胶料的制备方法包括
第一步：将所称重量份的丁腈橡胶、聚氯乙烯塑料、氧化锌、硬脂酸、石蜡和4010NA防老剂入密炼机进行混炼，混炼温度控制在77℃，时间约为8min，丁腈橡胶的门尼粘度加工至在55‐60之间为宜。
第二步：在上述胶料中再加入所称重量份的2/3的N220炭黑和所称重量份的1/2的N774炭黑进行混炼得到母炼胶，混炼温度控制在77℃，时间约为8min；
第三步；再加入所称重量份的1/3的N220炭黑、所称重量份的1/2的N774炭黑和所称重量份的DOA增塑剂进行混炼，得到母炼胶，混炼温度控制在77℃，时间约为4min；
第四步：将母炼胶放入过滤胶机过滤，而后放入开炼机进再加入所称重量份的S‐80硫化剂和所称重量份的DM硫化剂进行混炼得到混炼胶；
第五步：将混炼胶在热炼机上翻炼，提高胶料的混炼均匀性，进一步增加可 塑性；
第六步：将混炼胶放入到压延机胶片，再放入挤出机挤出胶片，而后下片冷却。
实施例4
本发明实施例4提供的确液压蓄能器胶囊用胶料，至少由下例重量份的原料制备：丁腈橡胶50重量份；聚氯乙烯塑料10重量份；氧化锌3重量份；硬脂酸1重量份；石蜡1重量份；防老剂3重量份；N220炭黑42.5重量份；N774炭黑7.5重量份；增塑剂22重量份；S‐80硫化剂1.5重量份；DM硫化剂0.85重量份。
本发明实施例4提供的液压蓄能器胶囊用胶料的制备包括如下步骤：
第一步：将所称重量份的丁腈橡胶、聚氯乙烯塑料、氧化锌、硬脂酸、石蜡和4010NA防老剂入密炼机进行混炼，混炼温度控制在85℃，时间约为7min，丁腈橡胶的门尼粘度加工至在55‐60之间为宜。
第二步：在上述胶料再加入所称重量份的2/3的N220炭黑和所称重量份的1/2的N774炭黑进行混炼得到母炼胶，混炼温度控制在85℃，时间约为7min；
第三步；再加入所称重量份的1/3的N220炭黑、所称重量份的1/2的N774炭黑和所称重量份的DOA增塑剂进行混炼，得到母炼胶，混炼温度控制在85℃，时间约为6min；
第四步：将母炼胶放入过滤胶机过滤，而后放入开炼机进再加入所称重量份的S‐80硫化剂和所称重量份的DM硫化剂进行混炼得到混炼胶；
第五步：将混炼胶在热炼机上翻炼，提高胶料的混炼均匀性，进一步增加可塑性；
第六步：将混炼胶放入到压延机胶片，再放入挤出机挤出胶片，而后下片冷却。
经测试，利用本发明提供的胶料制备胶囊的技术性能指标如表1：
表1
Figure PCTCN2016083448-appb-000001
Figure PCTCN2016083448-appb-000002
本发明的橡塑合金胶以丁腈橡胶为主要基材，加入部分聚氯乙烯进行有效改性的材料，从对高分子材料研究角度来看，通过聚氯乙烯(PVC)大分子对丁腈橡胶(NBR)长链上双键的封闭，使得本发明提供的液压蓄能器胶囊用胶料，具有高度饱和的弹性体，具有良好耐油性能(对燃料油、润滑油、芳香系溶剂耐抗性良好)，并且由于其高度饱和的结构，使其具良好的耐热性能，优良的耐化学腐蚀性能(对氟利昂、酸、碱的具有良好的抗耐性)，优异的耐臭氧性能，较高的抗压缩永久变形性能；同时还具有高强度，高撕裂性能、耐磨性能优异等特点。
本发明提供的液压蓄能器胶囊用胶料除了解决现有技术存在的使用寿命短等技术问题，还使胶囊中的多环芳烃含量完全符合欧盟环保要求，多环芳烃PAHs含量，采用GC‐MS方法进行分析检测，结果不超过0.5mg/kg，完全符合欧盟要求，并且在浓油浓溶剂中长期不改变高弹性和密封性，在高温高压环境下长期工 作不易老化，保持胶囊的高弹性，提高了其使用寿命。
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等同物界定。
工业实用性
与现有技术相比，利用本发明提供的液压蓄能器胶囊胶料制备的胶囊体积变化量大，能有效吸收压力脉动缓和冲击压力的功能强，使用寿命长。在工业上具有很强的工业实用性和可操作性，能够在工业上实现。

Claims (2)

  1. 一种液压蓄能器胶囊用胶料，其特征在于，至少由下例重量份的原料制备：
    丁腈橡胶50‐90重量份；聚氯乙烯塑料10‐50重量份；氧化锌3‐5重量份；硬脂酸1‐1.5重量份；石蜡0.5‐1重量份；防老剂2.5‐3重量份；N220炭黑40‐42.5重量份；N774炭黑7.5‐10份；增塑剂20‐22重量份；S‐80硫化剂1.5‐1.8份；DM硫化剂0.85‐1.2份。
  2. 根据权利要求1所述的液压蓄能器胶囊用橡胶，其特征在于，丁腈橡胶为60‐80重量份；聚氯乙烯塑料20‐40重量份。
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