CN105937185B - 一种提高锦纶66浸胶帘子布初始粘合力的方法 - Google Patents

一种提高锦纶66浸胶帘子布初始粘合力的方法 Download PDF

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CN105937185B
CN105937185B CN201610413765.7A CN201610413765A CN105937185B CN 105937185 B CN105937185 B CN 105937185B CN 201610413765 A CN201610413765 A CN 201610413765A CN 105937185 B CN105937185 B CN 105937185B
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仵晓
李新
谷慧平
袁书亮
闫永强
刘晓光
郑红莉
王圣德
寇万宏
英克军
付宏乐
康伟峰
张会云
邹炳乾
张瑞
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Pingdingshan Shenma Cord Fabric Development Co Ltd
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Abstract

本发明涉及一种提高锦纶66浸胶帘子布初始粘合力的生产方法。所述的浸胶液,以重量份计,由0.9‑2.8份间苯二酚,1.4‑4.1份甲醛,0.1份烧碱,2.9‑25.7份天然胶乳,8.6‑51.5份丁吡胶乳,1.3‑3.9份氨水,28.9‑79.2份低纯水,在5‑35℃的温度下,混合5‑9小时制成。所述的提高锦纶66浸胶帘子布初始粘合力的生产方法,使用浸胶机进行浸胶生产,1)将未浸胶的锦纶66帘子布以50‑120m/min的速度通过所述浸胶液,浸胶时张力控制在100‑400kg;2)浸胶后的锦纶66帘子布以50‑120m/min速度依次通过干燥区1A、干燥区1B、牵伸区和定型区,卷装,储存。本发明所采用的浸胶液大幅提高天然胶乳含量,使制成的锦纶66浸胶帘子布成品的初始粘合力提高到500‑1000g/5根;帘子布在压延时不会发生胶线脱离、帘线裸露等不良现象,生产成本低,易于工业化推广。

Description

一种提高锦纶66浸胶帘子布初始粘合力的方法
技术领域
本发明属于轮胎制造领域,具体涉及一种提高锦纶66浸胶帘子布初始粘合力的生产方法。
背景技术
锦纶66浸胶帘子布是轮胎的重要骨架材料,浸胶帘子布与橡胶必须有良好的粘合性能,粘合力直接影响着轮胎的使用性能和使用寿命。
随着轮胎工业的发展,轮胎橡胶的配方不断改变,粘合力要求不断提高,部分顾客要求特别良好的初始粘合力。在现阶段的技术条件下,采用传统的胶乳体系配方和浸胶工艺所生产的浸胶帘子布,在部分高端轮胎企业压延后的裁切时,发生边部胶线脱离、帘线裸露等不良现象,表明初始粘合力已不适合部分高端轮胎企业的要求。需要开发新的胶乳体系配方和相应的浸胶工艺技术,以提高锦纶66浸胶帘子布初始粘合力,满足高端客户生产高性能子午线轮胎的需要。
发明内容
本发明为了解决锦纶66浸胶帘子布初始粘合力低,在压延时发生胶线脱离、帘线裸露等不良现象的问题,提供一种提高锦纶66浸胶帘子布初始粘合力的生产方法,具体包括一种锦纶66帘子布的浸胶液和提高锦纶66浸胶帘子布初始粘合力的生产方法。
一种锦纶66帘子布的浸胶液,以重量份计,由0.9-2.8份间苯二酚,1.4-4.1份甲醛,0.1份烧碱,2.9-25.7份天然胶乳,8.6-51.5份丁吡胶乳,1.3-3.9份氨水,28.9-79.2份低纯水,在5-35℃的温度下,混合5-9小时制成;较优的组份是以重量份计,由1.5-2.3份间苯二酚,1.9-3.5份甲醛,0.1份烧碱,9.3-19.3份天然胶乳,20-40份丁吡胶乳,1.8-3.4份氨水,44.1-64.1份低纯水,在20-35℃的温度下,混合6-8小时制成;最优的组份是以重量份计,由1.9份间苯二酚,2.3份甲醛,0.1份烧碱,10.9份天然胶乳,21.3份丁吡胶乳,2份氨水,61.5份低纯水,在25℃的温度下,混合7小时制成。
一种提高锦纶66浸胶帘子布初始粘合力的生产方法,使用浸胶机进行浸胶生产,具体步骤如下:
1)将未浸胶的锦纶66帘子布以50-120m/min的速度通过上述的提高浸胶帘子布初始粘合力的浸胶液,浸胶时张力控制在100-400kg;
2)浸胶后的锦纶66帘子布以50-120m/min速度依次通过干燥区1A、干燥区1B、牵伸区和定型区,卷装,储存。
进一步,所述的干燥区1A和干燥区1B的热处理温度控制在130-180℃,牵伸区和定型区的热处理温度控制在190-230℃;所述的施加在干燥区1A和干燥区1B的张力控制在400-3000kg,所述的施加在牵伸区的张力控制在500-7000kg,所述的施加在定型区的张力控制在500-6500kg。
进一步,制成的锦纶66浸胶帘子布的附胶量控制在3.5—7.5%。
进一步,制成的锦纶66浸胶帘子布成品的初始粘合力在500-1000g/5根。
与现有技术相比,本发明的有益效果在于:
(1)本发明所采用的浸胶液大幅提高天然胶乳含量,使制成的锦纶66浸胶帘子布成品的初始粘合力提高到500-1000g/5根(常规的初始粘合力最大值是400g/5根)。
(2)本发明大幅降低了浸胶时牵伸区和定型区的热处理温度至190~230℃,以减少天然胶乳因受热而造成的分解,有效提高初始粘合力,从而避免轮胎帘子布在压延时不会发生胶线脱离、帘线裸露等不良现象。
(3)本发明有助于提高锦纶66帘子布质量,降低生产成本,适用于工业化应用。
具体实施方式
下面提供几个具体实施例对本发明作进一步的说明。
实施例1
一种锦纶66帘子布的浸胶液,以重量份计,由0.9份间苯二酚,1.4份甲醛,0.1份烧碱,2.9份天然胶乳,15.3份丁吡胶乳,1.3份氨水,28.9份低纯水,在5-10℃的温度下,混合9小时制成。
实施例2
一种锦纶66帘子布的浸胶液,以重量份计,由1.8份间苯二酚,1.4份甲醛,0.1份烧碱,15份天然胶乳,51.5份丁吡胶乳,3.9份氨水,79.2份低纯水,在31-35℃的温度下,混合5小时制成。
实施例3
一种锦纶66帘子布的浸胶液,以重量份计,由1.5份间苯二酚, 3.5份甲醛,0.1份烧碱, 25.7份天然胶乳,28份丁吡胶乳,1.8份氨水,35.6份低纯水,在20-22℃的温度下,混合6小时制成。
实施例4
一种锦纶66帘子布的浸胶液,以重量份计,由2.8份间苯二酚,4.1份甲醛,0.1份烧碱,9.3份天然胶乳,8.6份丁吡胶乳,3.4份氨水,44.1份低纯水,在32-35℃的温度下,混合8小时制成。
实施例5
一种锦纶66帘子布的浸胶液,以重量份计,由1.9份间苯二酚,2.3份甲醛,0.1份烧碱,10.9份天然胶乳,21.3份丁吡胶乳,2份氨水,61.5份低纯水,在25℃的温度下,混合7小时制成。
实施例6
一种提高锦纶66浸胶帘子布初始粘合力的生产方法,使用浸胶机进行浸胶生产,具体步骤如下:
1)将未浸胶的锦纶66帘子布以50m/min的速度通过实施例2配制的浸胶液,浸胶时张力控制在100kg;
2)浸胶后的锦纶66帘子布以50m/min速度依次通过干燥区1A、干燥区1B、牵伸区和定型区,卷装,储存。
进一步,所述的干燥区1A和干燥区1B的热处理温度控制在130℃,牵伸区和定型区的热处理温度控制在230℃;所述的施加在干燥区1A和干燥区1B的张力控制在400kg,所述的施加在牵伸区的张力控制在500kg,所述的施加在定型区的张力控制在500kg。
生产的锦纶66浸胶帘子布主要性能如表1所示:
实施例7
一种提高锦纶66浸胶帘子布初始粘合力的生产方法,使用浸胶机进行浸胶生产,具体步骤如下:
1)将未浸胶的锦纶66帘子布以70m/min的速度通过实施例1配制的浸胶液,浸胶时张力控制在200kg;
2)浸胶后的锦纶66帘子布以70m/min速度依次通过干燥区1A、干燥区1B、牵伸区和定型区,卷装,储存。
进一步,生产方法中所述的干燥区1A和干燥区1B的热处理温度控制在180℃,牵伸区和定型区的热处理温度控制在190℃;所述的施加在干燥区1A和干燥区1B的张力控制在1000kg,所述的施加在牵伸区的张力控制在1500kg,所述的施加在定型区的张力控制在1300kg。
生产的锦纶66浸胶帘子布主要性能如表2所示:
实施例8
一种提高锦纶66浸胶帘子布初始粘合力的生产方法,使用浸胶机进行浸胶生产,具体步骤如下:
1)将未浸胶的锦纶66帘子布以90m/min的速度通过实施例4配制的浸胶液,浸胶时张力控制在200kg;
2)浸胶后的锦纶66帘子布以90m/min速度依次通过干燥区1A、干燥区1B、牵伸区和定型区,卷装,储存。
进一步,生产方法中所述的干燥区1A和干燥区1B的热处理温度控制在150℃,牵伸区和定型区的热处理温度控制在200℃;所述的施加在干燥区1A和干燥区1B的张力控制在2000kg,所述的施加在牵伸区的张力控制在3400kg,所述的施加在定型区的张力控制在2700kg。
生产的锦纶66浸胶帘子布主要性能如表3所示:
实施例9
一种提高锦纶66浸胶帘子布初始粘合力的生产方法,使用浸胶机进行浸胶生产,具体步骤如下:
1)将未浸胶的锦纶66帘子布以100m/min的速度通过实施例3配制的浸胶液,浸胶时张力控制在300kg;
2)浸胶后的锦纶66帘子布以100m/min速度依次通过干燥区1A、干燥区1B、牵伸区和定型区,卷装,储存。
进一步,生产方法中所述的干燥区1A和干燥区1B的热处理温度控制在170℃,牵伸区和定型区的热处理温度控制在210℃;所述的施加在干燥区1A和干燥区1B的张力控制在2500kg,所述的施加在牵伸区的张力控制在5000kg,所述的施加在定型区的张力控制在3500kg。
生产的锦纶66浸胶帘子布主要性能如表4所示:
实施例10
一种提高锦纶66浸胶帘子布初始粘合力的生产方法,使用浸胶机进行浸胶生产,具体步骤如下:
1)将未浸胶的锦纶66帘子布以120m/min的速度通过实施例5配制的浸胶液,浸胶时张力控制在400kg;
2)浸胶后的锦纶66帘子布以120m/min速度依次通过干燥区1A、干燥区1B、牵伸区和定型区,卷装,储存。
进一步,生产方法中所述的干燥区1A和干燥区1B的热处理温度控制在160℃,牵伸区和定型区的热处理温度控制在220℃;所述的施加在干燥区1A和干燥区1B的张力控制在3000kg,所述的施加在牵伸区的张力控制在7000kg,所述的施加在定型区的张力控制在6500kg。
生产的锦纶66浸胶帘子布主要性能如表5所示:

Claims (4)

1.一种提高锦纶66浸胶帘子布初始粘合力的生产方法,其特征在于,使用浸胶机进行浸胶生产,具体步骤如下:
1)浸胶液制备:所采用的浸胶液,以重量份计,由1.5-2.3份间苯二酚,1.9-3.5份甲醛,0.1份烧碱,9.3-19.3份天然胶乳,20-40份丁吡胶乳,1.8-3.4份氨水,44.1-64.1份低纯水,在20-35℃的温度下,混合6-8小时制成;
2)将未浸胶的锦纶66帘子布以50-120m/min的速度通过步骤1)制备的浸胶液,浸胶时张力控制在100-400kg;
3)浸胶后的锦纶66帘子布以50-120m/min速度依次通过干燥区1A、干燥区1B、牵伸区和定型区,卷装,储存;所述的干燥区1A和干燥区1B的热处理温度控制在130-180℃,牵伸区和定型区的热处理温度控制在190-230℃;所述的施加在干燥区1A和干燥区1B的张力控制在400-3000kg,所述的施加在牵伸区的张力控制在500-7000kg,所述的施加在定型区的张力控制在500-6500k。
2.根据权利要求1所述的一种提高锦纶66浸胶帘子布初始粘合力的生产方法,其特征在于,步骤1)中,所述的浸胶液,以重量份计,由1.9份间苯二酚,2.3份甲醛,0.1份烧碱,10.9份天然胶乳,21.3份丁吡胶乳,2份氨水,61.5份低纯水,在25℃的温度下,混合7小时制成。
3.根据权利要求1所述的一种提高锦纶66浸胶帘子布初始粘合力的生产方法,其特征在于,制成锦纶66浸胶帘子布的附胶量控制在3.5—7.5%。
4.根据权利要求1所述的一种提高锦纶66浸胶帘子布初始粘合力的生产方法,其特征在于,制成的锦纶66浸胶帘子布成品的初始粘合力在500-1000g/5根。
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