CN107254073A - 一种外层耐磨、里层发泡的双层轮胎配方 - Google Patents

一种外层耐磨、里层发泡的双层轮胎配方 Download PDF

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CN107254073A
CN107254073A CN201710319767.4A CN201710319767A CN107254073A CN 107254073 A CN107254073 A CN 107254073A CN 201710319767 A CN201710319767 A CN 201710319767A CN 107254073 A CN107254073 A CN 107254073A
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董淑云
伍勇
汪西洋
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Qingdao Huawu Rubber & Plastic Co Ltd
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Abstract

本发明公开了一种外层耐磨、里层发泡的双层轮胎配方，包括外层和里层。本发明的有益效果：此外层耐磨胶料和内层发泡胶料配方制作的轮胎，不用再装配内胎，也不用充气便可直接使用，解决了内胎漏气或爆胎影响使用的问题。

Description

一种外层耐磨、里层发泡的双层轮胎配方
技术领域
本发明涉及一种外层耐磨、里层发泡的双层轮胎配方，属于轮胎技术领域。
背景技术
目前，市面上流行的汽车轮胎分为有内胎轮胎和无内胎轮胎两大类，有内胎轮胎为传统型的；无内胎轮胎俗称真空轮胎，是由外胎紧密着合在专门结构的轮辋上形成密封内腔，这种轮胎穿孔较小时能够继续行驶，中途修理比有内胎轮胎容易，不需拆卸轮辋，故在某些情况下可以不用备胎，其行驶的安全性也较好；同时，这种轮胎有较好的柔软性，可改善轮胎的缓冲性能，在高速行驶下生热小、工作温度低，可提高轮胎的使用寿命。但是，当这种轮胎穿孔较大时，泄气较快，就不能继续行驶，尚若没有携带备用胎，而距离修理厂(店)又较远时，同样也会带来极大的不便，甚至会带来安全隐患。
发明内容
本发明所要解决的技术问题是：提供一种外层耐磨、里层发泡的双层轮胎
为解决上述技术问题，本发明采用的技术方案是：
本发明提供的一种双层轮胎，包括外层和里层。
外层轮胎的配方包括下列重量份数的组分：
天然橡胶：30-40份，丁苯橡胶：20-30份，顺丁橡胶：30-40份，220炭黑：55-60份，芳烃油：8-10份，氧化锌：3-5份，硬脂酸：1-3份，防老剂4020：2-3份，RD：2-3份，微晶蜡：1-3份，耐磨剂：5-10份，硫磺：1.5-2份，促进剂NS：1-2份，
里层轮胎的配方包括下列重量份数的组分：
天然橡胶：60-80份，丁苯橡胶：20-40份，660炭黑：50-55份，轻钙：30-50份，芳烃油：8-10份，氧化锌：3-5份，硬脂酸：1-3份，防老剂4020：2-3份，RD：2-3份，发泡剂：5-8份，硫磺：1.5-2份，促进剂NS：1-2份。
所述的双层轮胎的炼胶工艺，包括下列步骤：
(1)外层胶料混炼工艺步骤：
母炼胶制备：
①天然橡胶塑炼2分钟，②加入丁苯胶，顺丁橡胶、助剂类小料和1/2重量份数的炭黑，塑炼2分钟，③加入剩余的1/2重量份数的炭黑和芳烃油塑炼3分钟，④提坨清扫，再压1分钟；⑤温度160℃以上排胶；
终炼胶制备：
⑴母炼胶放密炼机预热30秒，⑵加入硫磺，促进剂类小料30秒，⑶排胶(95℃以下)
2.内层发泡胶料混炼工艺步骤:
母炼胶制备顺序:①天然胶塑炼(2分钟)，②加入助剂类小料和炭黑(2分钟)，③加入轻钙和芳烃油(3分钟)，④提坨清扫，再压(1分钟)⑤排胶(温度140℃以上)
终炼胶制备顺序:⑴母炼胶放密炼机预热(30秒)，⑵加入硫磺，促进剂，发泡剂类小料，(30秒)⑶排胶(95℃以下)。
本发明的有益效果：
此外层耐磨胶料和内层发泡胶料配方制作的轮胎，不用再装配内胎，也不用充气便可直接使用，解决了内胎漏气或爆胎影响使用的问题。
具体实施方式
实施例1
本发明提供的一种双层轮胎，包括外层和里层。
外层轮胎的配方包括下列重量份数的组分：
天然橡胶：30-40份，丁苯橡胶：20-30份，顺丁橡胶：30-40份，220炭黑：55-60份，芳烃油：8-10份，氧化锌：3-5份，硬脂酸：1-3份，防老剂4020：2-3份，RD：2-3份，微晶蜡：1-3份，耐磨剂：5-10份，硫磺：1.5-2份，促进剂NS：1-2份，
里层轮胎的配方包括下列重量份数的组分：
天然橡胶：60-80份，丁苯橡胶：20-40份，660炭黑：50-55份，轻钙：30-50份，芳烃油：8-10份，氧化锌：3-5份，硬脂酸：1-3份，防老剂4020：2-3份，RD：2-3份，发泡剂：5-8份，硫磺：1.5-2份，促进剂NS：1-2份。
所述的双层轮胎的炼胶工艺，包括下列步骤：
(1)外层胶料混炼工艺步骤：
母炼胶制备：
①天然橡胶塑炼2分钟，②加入丁苯胶，顺丁橡胶、助剂类小料和1/2重量份数的炭黑，塑炼2分钟，③加入剩余的1/2重量份数的炭黑和芳烃油塑炼3分钟，④提坨清扫，再压1分钟；⑤温度160℃以上排胶；
终炼胶制备：
⑴母炼胶放密炼机预热30秒，⑵加入硫磺，促进剂类小料30秒，⑶排胶(95℃以下)
2.内层发泡胶料混炼工艺步骤:
母炼胶制备顺序:①天然胶塑炼(2分钟)，②加入助剂类小料和炭黑(2分钟)，③加入轻钙和芳烃油(3分钟)，④提坨清扫，再压(1分钟)⑤排胶(温度140℃以上)
终炼胶制备顺序:⑴母炼胶放密炼机预热(30秒)，⑵加入硫磺，促进剂，发泡剂类小料，(30秒)⑶排胶(95℃以下)。
实施例2本发明提供的轮胎的各个参数性能如下：
1.轮胎高速性能检验
2.轮胎强度性能检验
3.轮胎耐久性能检验
4.外缘尺寸检验

Claims (2)

1.一种外层耐磨、里层发泡的双层轮胎配方，其特征在于，包括外层和里层；
外层轮胎的配方包括下列重量份数的组分：
天然橡胶：30-40份，丁苯橡胶：20-30份，顺丁橡胶：30-40份，220炭黑：55-60份，芳烃油：8-10份，氧化锌：3-5份，硬脂酸：1-3份，防老剂4020：2-3份，RD：2-3份，微晶蜡：1-3份，耐磨剂：5-10份，硫磺：1.5-2份，促进剂NS：1-2份，
里层轮胎的配方包括下列重量份数的组分：
天然橡胶：60-80份，丁苯橡胶：20-40份，660炭黑：50-55份，轻钙：30-50份，芳烃油：8-10份，氧化锌：3-5份，硬脂酸：1-3份，防老剂4020：2-3份，RD：2-3份，发泡剂：5-8份，硫磺：1.5-2份，促进剂NS：1-2份。
2.权利要求1所述的双层轮胎的炼胶工艺，其特征在于，包括下列步骤：
（1）外层胶料混炼工艺步骤：
母炼胶制备：
天然橡胶塑炼，（2分钟，温度80℃）此过程胶料开始分散混合；②加入丁苯胶，顺丁橡胶、助剂类小料和1/2重量份数的炭黑，塑炼（2分钟，温度100℃）；此过程胶料被炭黑包裹，分散混合一起；③加入剩余的1/2重量份数的炭黑和芳烃油塑炼（3分钟，温度140℃），此过程胶料与轻钙，油混合软化，提高可塑性；④提坨清扫，再压（1分钟，温度160℃）；⑤温度160℃以上排胶；
终炼胶制备：
⑴母炼胶放密炼机预热30秒， (30秒，温度85℃)⑵加入硫磺，促进剂类小料(30秒，温度90℃) 此过程小料均匀的分散于胶料中.⑶ 排胶(95℃以下)
内层发泡胶料混炼工艺步骤:
母炼胶制备顺序: ①天然胶塑炼（2分钟，温度80℃），此过程胶料开始分散混合；② 加入助剂类小料和炭黑（2分钟，温度100℃），此过程胶料被炭黑包裹，分散混合一起；③加入轻钙和芳烃油（2分钟，温度110℃），此过程胶料与轻钙；油混合软化；提高可塑性，④提坨清扫，再压（1分钟，温度120℃）⑤ 排胶（温度130℃以上）；
终炼胶制备顺序: ⑴母炼胶放密炼机预热(30秒)，⑵加入硫磺，促进剂，发泡剂类小料(30秒，温度90℃) ；此过程小料均匀的分散于胶料中； ⑶ 排胶(95℃以下)。
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