CN106336539A - 一种消防水带专用阻燃耐烫内外覆盖胶材料及其制备方法 - Google Patents
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Abstract
本发明公开了一种消防水带专用阻燃耐烫内外覆盖胶材料，原料包括NBR/PVC共混橡胶合金、氯丁橡胶、顺丁橡胶、活性剂、防老剂、着色剂、酚醛树脂、白炭黑、结壳剂、耐寒油、改性增强剂、复合促进剂和硫化助剂。本发明的覆盖胶材料能够满足双面胶外带坯消防水带性能及加工工艺要求，具有优异的阻燃、耐高温和延展性能。
Description
技术领域
本发明涉及高分子材料技术领域，具体是涉及一种高分子覆盖胶材料及其制备方法。
背景技术
内双面胶外带坯作战消防水带是目前国际上消防水带顶尖产品，其对内双面胶水带内外覆盖胶要求苛刻，具体要求如下：1)-45℃以下；2)臭氧100pphm70h无裂纹；3)高温648℃耐灼烫45秒不能漏水；4)双面带各层间剥离强度≥54N/38mm；5)橡胶基本物性拉伸强度≥8.3MPa,伸长率≥400％，永久变形≤20％；6)耐油程度要求经过120℃在3#油存放18小时后伸长率及拉伸强度保持70％。以上单项指标容易达到，但要在一个配方中做到平衡是很困难的，配方中有几个相互矛盾体；A)高温耐烫需要在配方中加入大量阻燃结壳粉剂，严重影响拉伸强度、伸长率及低温特性。B)耐臭氧、耐油与低温要求矛盾，耐臭氧、耐油要求决定主胶以NBR/PVC为主，但该橡胶由于塑料PVC存在，低温性能相当差，加上大量阻燃结壳粉剂的存在必然影响低温性能。因此，必须选用优秀性能橡胶弥补NBR/PVC的不足，还要选择耐寒增塑剂减少大量阻燃结壳粉剂影响同时，保证胶料强度及伸长率等基本物性。
内双面胶外带坯消防水带的结构特点及性能要求内外覆盖胶要与锦纶骨架带筒层剥离强度至少54N/38mm以上，胶料拉伸强度8.3MPa,伸长率400％以上，永久变形≤20％，硬度65度以下，内外覆盖层厚度要尽可能减薄，工艺挤出简单，硫化蒸汽压力0.4MPa。
发明内容
本发明的目的是针对内双面胶外带坯作战消防水带各项特殊性能要求提供一种阻燃耐烫内外覆盖胶材料,专用于抗耐各项苛刻性能要求的作战消防水带。
本发明所要解决的技术问题是通过以下技术方案实现的：
一种消防水带专用阻燃耐烫内外覆盖胶材料，包含以下重量份数的组分：NBR/PVC共混橡胶合金90份、氯丁橡胶10份、活性剂14.5份、防老剂2份、着色剂8份、酚醛树脂8份、白炭黑15份、结壳剂95份、耐寒油41份、改性增强剂：29份、复合促进剂：5.4份、硫化助剂：7.6份；
所述改性增强剂由以下物质按照重量比组成：粘合树脂：白炭黑：六甲氧基三聚氰胺甲醛树脂＝6:15:8。
所述复合促进剂由以下物质按照重量比组成：N-环已基-2-苯并噻唑次磺酰胺：二硫化四甲基秋兰姆：N，N'-间苯撑双马来酰亚胺：4,4’-二硫代二吗啉＝1.8:1.4:1:1.2；
所述硫化助剂由以下物质按照重量比组成：硫磺：氧化锌＝1.6:6。
为进一步提高低温性能并提高伸长率，本发明进一步优化配方，覆盖胶材料包含以下重量份数的组分：NBR/PVC共混橡胶合金70份、氯丁橡胶20份、顺丁橡胶20份、活性剂13份、防老剂2.5份、着色剂6份、酚醛树脂6份、白炭黑15份、结壳剂62份、耐寒油19份、改性增强剂：35份、复合促进剂：2.1份、硫化助剂：7.2份；
所述改性增强剂由以下物质按照重量比组成：粘合树脂：白炭黑：六甲氧基三聚氰胺甲醛树脂＝7:15:13。
所述复合促进剂由以下物质按照重量比组成：N-环已基-2-苯并噻唑次磺酰胺：二硫化四甲基秋兰姆＝1.6:0.5；
所述硫化助剂由以下物质按照重量比组成：硫磺：氧化锌＝2.2:5。
本发明还提供了上述覆盖胶材料的制备方法，具体包括如下步骤：
1)按配比将NBR/PVC共混橡胶合金、氯丁橡胶、顺丁橡胶、酚醛树脂和粘合树脂送入开炼机薄通塑炼，然后停放2h后投入密炼机；
2)向密炼机中加入称量好的活性剂、防老剂和着色剂，混炼1.5min，然后加入所有的白炭黑，再加入结壳剂和耐寒油在115℃混炼6.5min，排料；
3)混炼后的物料停放4小时后进行100目过滤，然后送入开炼机，加入称量好的复合促进剂、硫化助剂以及六甲氧基三聚氰胺甲醛树脂，经过3遍薄通，下条。
相较于现有技术，本发明的覆盖胶材料，能够满足双面胶外带坯消防水带性能及加工工艺要求，具有优异的阻燃、耐高温和延展性能，专用于生产抗耐各项苛刻性能要求的作战消防水带。
具体实施方式
本发明的一种消防水带专用阻燃耐烫内外覆盖胶材料均采用下述方法制备而成：
1)按配比将NBR/PVC共混橡胶合金、氯丁橡胶、顺丁橡胶、酚醛树脂和粘合树脂送入开炼机薄通塑炼，然后停放2h后投入密炼机；
2)向密炼机中加入称量好的活性剂、防老剂和着色剂，混炼1.5min，然后加入所有的白炭黑，再加入结壳剂和耐寒油在115℃混炼6.5min，排料；
3)混炼后的物料停放4小时后进行100目过滤，然后送入开炼机，加入称量好的复合促进剂、硫化助剂以及六甲氧基三聚氰胺甲醛树脂，经过3遍薄通，下条。
为对本发明的目的、技术手段及技术功效有进一步的了解，现结合具体实施例说明如下。
实施例1
一种消防水带专用阻燃耐烫内外覆盖胶材料，包含以下重量份数的组分：NBR/PVC共混橡胶合金90份、氯丁橡胶10份、活性剂14.5份、防老剂2份、着色剂8份、酚醛树脂8份、白炭黑15份、结壳剂95份、耐寒油41份、改性增强剂：29份、复合促进剂：5.4份、硫化助剂：7.6份；
所述改性增强剂由以下物质按照重量比组成：粘合树脂：白炭黑：六甲氧基三聚氰胺甲醛树脂＝6:15:8。
所述复合促进剂由以下物质按照重量比组成：N-环已基-2-苯并噻唑次磺酰胺：二硫化四甲基秋兰姆：N，N'-间苯撑双马来酰亚胺：4,4’-二硫代二吗啉＝1.8:1.4:1:1.2；
所述硫化助剂由以下物质按照重量比组成：硫磺：氧化锌＝1.6:6。
实施例2
覆盖胶材料包含以下重量份数的组分：NBR/PVC共混橡胶合金70份、氯丁橡胶20份、顺丁橡胶20份、活性剂13份、防老剂2.5份、着色剂6份、酚醛树脂6份、白炭黑15份、结壳剂62份、耐寒油19份、改性增强剂：35份、复合促进剂：2.1份、硫化助剂：7.2份；
所述改性增强剂由以下物质按照重量比组成：粘合树脂：白炭黑：六甲氧基三聚氰胺甲醛树脂＝7:15:13。
所述复合促进剂由以下物质按照重量比组成：N-环已基-2-苯并噻唑次磺酰胺：二硫化四甲基秋兰姆＝1.6:0.5；
所述硫化助剂由以下物质按照重量比组成：硫磺：氧化锌＝2.2:5。
该配方中加入了顺丁橡胶，并调整了配方的其他组分含量，进一步提高了产品的低温性能并提高伸长率。
将实施例制备得到的覆盖胶材料进行性能测试，测试结果如表1所示：
表1：实施例的测试结果
以上对本发明所提供的一种可用于汽车燃油系统的阻燃型玻纤增强聚酮复合材料进行了详细介绍。本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求的保护范围内。
Claims (3)
1.一种消防水带专用阻燃耐烫内外覆盖胶材料，其特征在于，包含以下重量份数的组分：NBR/PVC共混橡胶合金90份、氯丁橡胶10份、活性剂14.5份、防老剂2份、着色剂8份、酚醛树脂8份、白炭黑15份、结壳剂95份、耐寒油41份、改性增强剂：29份、复合促进剂：5.4份、硫化助剂：7.6份；
所述改性增强剂由以下物质按照重量比组成：粘合树脂：白炭黑：六甲氧基三聚氰胺甲醛树脂＝6:15:8。
所述复合促进剂由以下物质按照重量比组成：N-环已基-2-苯并噻唑次磺酰胺：二硫化四甲基秋兰姆：N，N'-间苯撑双马来酰亚胺：4,4’-二硫代二吗啉＝1.8:1.4:1:1.2；
所述硫化助剂由以下物质按照重量比组成：硫磺：氧化锌＝1.6:6。
2.一种消防水带专用阻燃耐烫内外覆盖胶材料，其特征在于，包含以下重量份数的组分：NBR/PVC共混橡胶合金70份、氯丁橡胶20份、顺丁橡胶20份、活性剂13份、防老剂2.5份、着色剂6份、酚醛树脂6份、白炭黑15份、结壳剂62份、耐寒油19份、改性增强剂：35份、复合促进剂：2.1份、硫化助剂：7.2份；
所述改性增强剂由以下物质按照重量比组成：粘合树脂：白炭黑：六甲氧基三聚氰胺甲醛树脂＝7:15:13。
所述复合促进剂由以下物质按照重量比组成：N-环已基-2-苯并噻唑次磺酰胺：二硫化四甲基秋兰姆＝1.6:0.5；
所述硫化助剂由以下物质按照重量比组成：硫磺：氧化锌＝2.2:5。
3.权利要求1-2所述的一种消防水带专用阻燃耐烫内外覆盖胶材料的制备方法，具体包括如下步骤：
1)按配比将NBR/PVC共混橡胶合金、氯丁橡胶、顺丁橡胶、酚醛树脂和粘合树脂送入开炼机薄通塑炼，然后停放2h后投入密炼机；
2)向密炼机中加入称量好的活性剂、防老剂和着色剂，混炼1.5min，然后加入所有的白炭黑，再加入结壳剂和耐寒油在115℃混炼6.5min，排料；
3)混炼后的物料停放4小时后进行100目过滤，然后送入开炼机，加入称量好的复合促进剂、硫化助剂以及六甲氧基三聚氰胺甲醛树脂，经过3遍薄通，下条。
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