CN107488278B - 一种长寿命三角带 - Google Patents

一种长寿命三角带 Download PDF

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CN107488278B
CN107488278B CN201710607969.9A CN201710607969A CN107488278B CN 107488278 B CN107488278 B CN 107488278B CN 201710607969 A CN201710607969 A CN 201710607969A CN 107488278 B CN107488278 B CN 107488278B
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polyisoprene
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CN107488278A (zh
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黄顺道
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Taizhou Gemao Rubber and Plastic Products Co.,Ltd.
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Zhejiang Kaiou Transmission Belt Co ltd
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    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
    • C08L9/06—Copolymers with styrene
    • 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
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
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    • 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
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3009—Sulfides
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    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract

本发明提供用于制造三角带的橡胶组合物，加入反式异戊二烯(TPI)作为改性剂，有利于提高三角带的耐屈挠性能，使其提高1倍，从而延长三角带寿命。本发明制备的三角带耐屈挠性能好、使用寿命长，可用做汽车三角带。

Description

一种长寿命三角带
技术领域
本发明涉及三角带的成型胶料技术领域，特指一种用于制造三角带的组合物。
背景技术
汽车三角带需高速运转，散热性不好的情况下，耐屈挠性能差，胶带的寿命短。专利CN2300761Y提供了一种高强度三角带，通过结构的设计提高三角带的耐磨性，延长使用寿命。专利“一种用于制造三角带的导电胶桨胶组合物”提供了一种用于制造三角带的导电胶桨胶组合物，通过配方的改进，使产品具有导电性能和导热性能，防静电防火性好、使用寿命长。然而，现有技术中未提供改善三角带的耐屈挠性能、延长使用寿命的三角带组合物配方。
发明内容
本发明的目的是提出一种改善三角带的耐屈挠性能、延长使用寿命的三角带组合物配方。本发明所要解决的技术问题为采用合理配合，使三角带耐屈挠性能好、使用寿命长。
本发明采用如下技术方案：
一种用于制造三角带的橡胶组合物，其重量配比如下：
Figure BDA0001358848880000021
还可以加入低分子量聚异戊二烯10-15份，作为增塑及增粘剂。所述低分子量聚异戊二烯为分子量2-3万的聚异戊二烯。
反式异戊二烯是顺势异戊二烯橡胶的同分异构体，其分子链呈现反式有序性，具有橡胶和塑料的双重特性，通过硫化产生交联作用后，其结晶软化成为柔软的弹性体。
反式异戊二烯(TPI)作为改性剂，有利于提高三角带的耐屈挠性能，六级屈挠由原5万次提高至20万次，还可以提高材料的强度、耐磨性能，减低滚动阻力，动态生热低，从而延长三角带寿命。
RX－90松香改性重芳烃树脂(简称RX－90树脂)是一种既具有增粘作用又具有补强和软化作用的增粘剂。将RX－90树脂用于三角带配方，胶料具有抗疲劳性能好等特点。
古马隆树脂为粘稠液体或是固体，耐酸碱、耐水性优良。电绝缘性、耐老化性、耐热性良好。呈中性反应。具有热塑性、耐腐蚀性。
加入二硫化钼可以提高三角胶带的内润滑性，降低其使用过程中的噪声，降低胶料的摩擦系数，提高混炼胶的分散性能和使用寿命。二硫化钼可以用石墨代替。
本发明的耐屈挠性能好、使用寿命长的三角带组合物制备的三角带用于汽车三角带。
本发明相比现有技术突出且有益的技术效果是：
1、本发明在配方中增加反式异戊二烯提高三角带的耐屈挠性能1倍，从而延长三角带寿命。
2、本发明在配方中增加低分子量聚异戊二烯和RX－90树脂使制备的三角带具有抗疲劳性能好和良好的粘合性能的特点。
3、本发明加入二硫化钼可以提高三角胶带的内润滑性，降低其使用过程中的噪声，提高混炼胶的分散性能。。
4、本发明制备的三角带具有如下性能：拉伸长度15.3Mpa，扯断伸长率385％，邵尔A型硬度70度。耐屈挠性能；使用寿命
具体实施方式
实施例与对比例：
Figure BDA0001358848880000041
Figure BDA0001358848880000051
性能测试：
本发明材料具有如下技术参数：
Figure BDA0001358848880000061
本发明并不局限于实施实例中所描述的技术，它的描述是说明性的，并非限制性的，本发明的权限由权利要求所限定，基于本技术领域人员依据本发明所能够变化、重组方法得到的与发明相关的技术，都在本发明的保护范围内。

Claims (1)

1.一种三角带，其所用的橡胶组合物的重量配比如下：
NR 45份
SBR 40份
TPI 15份
防老剂RD 1份
防老剂4010NA 2份
活性剂ZnO 5份
炭黑N330 60份
古马隆树脂 4份
促进剂SA 1份
RX-90树脂 2份
碳酸钙 20份
硫磺 3份
促进剂CZ 1.5份
促进剂DM 0.5份
二硫化钼 1.5份
低分子量聚异戊二烯 10份，
所述低分子量聚异戊二烯为分子量2-3万的聚异戊二烯。
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1206725A (zh) * 1997-07-28 1999-02-03 青岛化工学院 一种含高反式－1,4－聚异戊二烯的高性能轮胎胶料
CN101121803A (zh) * 2007-07-27 2008-02-13 青岛科大方泰材料工程有限公司 反式异戊橡胶配合物的制备方法及其产品和用途
CN102634084A (zh) * 2012-05-02 2012-08-15 三角轮胎股份有限公司 含反式异戊二烯的充气轮胎内衬层胶组合物

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1206725A (zh) * 1997-07-28 1999-02-03 青岛化工学院 一种含高反式－1,4－聚异戊二烯的高性能轮胎胶料
CN101121803A (zh) * 2007-07-27 2008-02-13 青岛科大方泰材料工程有限公司 反式异戊橡胶配合物的制备方法及其产品和用途
CN102634084A (zh) * 2012-05-02 2012-08-15 三角轮胎股份有限公司 含反式异戊二烯的充气轮胎内衬层胶组合物

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