CN101531781B - 风力发电电缆用护套橡胶 - Google Patents

风力发电电缆用护套橡胶 Download PDF

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CN101531781B
CN101531781B CN2009101151455A CN200910115145A CN101531781B CN 101531781 B CN101531781 B CN 101531781B CN 2009101151455 A CN2009101151455 A CN 2009101151455A CN 200910115145 A CN200910115145 A CN 200910115145A CN 101531781 B CN101531781 B CN 101531781B
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余纪炎
徐华胜
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KAIKAI CABLE TECHNOLOGY Co Ltd
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Abstract

本发明涉及橡胶技术领域,属于风力发电电缆用护套橡胶,包含有氯丁橡胶(CR)、具有高弹性、抗磨性和低温性优异的顺丁橡胶(BR)和其它原料混炼而成,优点是:在寒冷地区的户外温度达到-50℃时,用本发明制造的电缆外护套不会明显的失去柔软性、弹性和产生开裂,用本发明制造的电缆外护套具有耐扭转和高回弹性,抗扭转变形甚至扭绞断裂性强。

Description

风力发电电缆用护套橡胶
技术领域
本发明涉及橡胶技术领域,特指风力发电电缆用护套橡胶。
背景技术
目前,风力发电电缆的护套大多采用的橡胶有天然橡胶(NR)、天然丁苯胶(NR-SBR)二元复合、氯化聚乙烯(CPE)、氯丁橡胶(CR)和硫化型丁腈胶聚氯乙烯复合物(NBR-PVC),也有个别采用热塑性NBR-PVC复合物;NR和NR-SBR两种橡胶虽耐低温能满足,但在低温下弹性不理想,耐磨性也待提高,后面几类材料均为极性高聚物,随温度下降分子间次阶力增长很快,至-25℃以下均变为僵硬,丧失弹性,电缆旋转困难并产生开裂,不能适应-50℃和更低环境要求。
发明内容
本发明的目的是提供一种具有耐扭转和高回弹性、抗扭转变形甚至扭绞断裂性强、在户外温度-50℃时电缆不明显僵硬和产生开裂的风力发电电缆用护套橡胶。
本发明的目的是这样实现的:
风力发电电缆用护套橡胶,是用如下重量份数的原料混炼而成:
氯丁橡胶        45~80份;
顺丁橡胶        20~55份;
硫化剂          0.7~0.9份;
促进剂          1.9~2.5份;
硫磺            0.3~0.4份;
高耐磨碳黑      20~29份;
混气碳黑      18~22份;
硬脂酸        1.8~2.2份;
石蜡          9~15份;
氧化锌        7~10份;
滑石粉        20~25份;
防老剂        2.3~2.6份;
促进剂        0.6~0.9份;
上述的氯丁橡胶与顺丁橡胶的最佳配比为65∶35。
上述的促进剂最佳的重量份数为2.1~2.5份。
本发明与现有技术相比突出的优点是:
1、在寒冷地区的户外温度达到-50℃时,用本发明制造的电缆外护套不会明显的失去柔软性、弹性和产生开裂;
2、用本发明制造的电缆外护套具有耐扭转和高回弹性,抗扭转变形甚至扭绞断裂性强。
具体实施方式
下面以具体实施例对本发明作进一步描述:
实施例1-3:风力发电电缆用护套橡胶,分别用如下重量份数的原料混炼而成,参见表1:
表1:实施例1-3,其中的材料含量为重量份数:
Figure GSB00000411973000021
本发明的混炼工艺步骤如下:
1、天然素炼:用开放式炼胶机或密炼机均可,用开放式素炼辊温度90℃以下,用密炼机温度110℃以下,素炼后橡胶威氏可塑性达到0.70~0.75;
2、按配方比例称好各种原料;
3、橡胶掺合,将CR和BR投入混炼机中,混合均匀;(用开放式工艺:人工不断打包,棍距1.0mm上下,打三角包5次~8次,温度80℃以下;用密炼工艺:混炼2~3分钟,温度95℃以下),以上混合结束进行以下操作;
4、投入1/2高耐磨碳黑和1/2滑石粉,粉料基本混入,投入硬脂酸、石蜡、防老剂D和氧化锌,随后加入剩余的碳黑、滑石粉、继续混炼;(开放式工艺:加各种料,期间辊距4~6mm,粉料基本混入橡胶后,缩小辊距到1.0mm以下厚薄,同时打三角包不少于3次;密炼机工艺:各种料全部加入后继续混炼2~3分钟,观察电流表下降到平稳无明显上下摆动为混料结束),下机冷却,停放至少24小时。
5、待橡胶使用(胶挤)前,在开放式炼胶机上加入硫化剂TMTD、硫磺、促进剂DM,加料时辊距可为4~6mm,加完混入后,辊距调至1.0mm以下进行连续打三角包3~4次后下料冷却,辊筒温度均为60℃以下;
6、如挤包电缆为冷喂料工艺,需辗页,辗页过程的温度也应在60℃以下,以防止焦烧(先期硫化)。

Claims (2)

1.风力发电电缆用护套橡胶,其特征在于:是用如下重量份数的原料混炼而成:
氯丁橡胶        45~80份;
顺丁橡胶        20~55份;
硫化剂TMTD      0.7~0.9份;
促进剂CZ        1.9~2.5份;
硫磺            0.3~0.4份;
高耐磨碳黑      20~29份;
混气碳黑        18~22份;
硬脂酸          1.8~2.2份;
石蜡            9~15份;
氧化锌          7~10份;
滑石粉          20~25份;
防老剂          2.3~2.6份;
促进剂          0.6~2.5份。
2.根据权利要求1所述的风力发电电缆用护套橡胶,其特征在于:所述的氯丁橡胶与顺丁橡胶的配比为65∶35。
CN2009101151455A 2009-03-30 2009-03-30 风力发电电缆用护套橡胶 Active CN101531781B (zh)

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CN101838407B (zh) * 2010-04-01 2013-05-01 上海藤仓橡塑电缆有限公司 风力发电用橡套软电缆护套料及其制备方法
CN102372864B (zh) * 2011-06-28 2012-12-19 江苏远洋东泽电缆股份有限公司 挖泥船水下挖斗用信号软电缆护套料及其生产方法
CN102354564B (zh) * 2011-08-26 2013-01-09 重庆鸽牌电线电缆有限公司 一种带有耐扭转护套的2mw风力发电电缆
CN102532633B (zh) * 2011-12-15 2013-10-09 安徽金桥电缆有限公司 一种氯丁橡胶护套及其制备方法
CN102977435B (zh) * 2012-11-19 2014-11-05 漯河利通液压科技股份有限公司 输送液态二氧化碳钢丝纺织胶管内层胶及制备方法
CN103589025B (zh) * 2013-11-25 2015-07-15 北京化工大学 一种高性能水声透声橡胶材料及制备方法
CN104194106A (zh) * 2014-08-26 2014-12-10 安徽蓝德集团股份有限公司 一种风力发电电缆护套用橡胶材料
CN104610597A (zh) * 2015-01-26 2015-05-13 安徽国华电缆集团有限公司 一种电缆用改性丁腈橡胶护套材料及其制备方法
CN105111546A (zh) * 2015-08-17 2015-12-02 繁昌县菲德通讯材料设计有限公司 一种石油平台专用高强度耐低温电缆
CN105175817A (zh) * 2015-09-18 2015-12-23 安徽创业机电设备有限公司 一种螺丝刀的耐磨橡胶把手
CN105291237B (zh) * 2015-09-18 2017-11-10 安徽创业机电设备有限公司 一种具有杀菌功能的木质把手制造工艺
CN106867061A (zh) * 2017-03-10 2017-06-20 江苏食品药品职业技术学院 一种汽车三角摆臂后衬套用橡胶及其制备方法
CN107434865A (zh) * 2017-09-12 2017-12-05 芜湖航天特种电缆厂股份有限公司 航空用高韧性电缆及其制备方法
CN111540515A (zh) * 2020-04-10 2020-08-14 安徽龙庵电缆集团有限公司 一种风力发电用耐寒抗扭曲软电缆及生产方法
CN114249933B (zh) * 2020-09-21 2023-10-27 天津市橡胶工业研究所有限公司 一种电缆、光缆封装氯丁橡胶及制备方法
CN115594903A (zh) * 2022-11-08 2023-01-13 池州起帆电缆有限公司(Cn) 一种耐寒电缆护套材料氯丁橡胶的制备方法

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