CN105803785A - 一种耐碱玻璃纤维布 - Google Patents

一种耐碱玻璃纤维布 Download PDF

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CN105803785A
CN105803785A CN201610250891.5A CN201610250891A CN105803785A CN 105803785 A CN105803785 A CN 105803785A CN 201610250891 A CN201610250891 A CN 201610250891A CN 105803785 A CN105803785 A CN 105803785A
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邵帅
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Abstract

本发明涉及玻璃纤维技术领域，特别涉及一种耐碱玻璃纤维布。该耐碱玻璃纤维布包括玻璃纤维层、树脂层、固化剂，其特征在于：所述耐腐蚀树脂层包覆在玻璃纤维层表面，所述玻璃纤维层、树脂层、固化剂的质量份数比为1:3～5：2～4。本发明的耐碱玻璃纤维布具有优异的耐碱性，并且机械强度高，增加了产品的使用寿命；并且本方法操作简单，对设备要求小，可以满足连续化工业生产的需求。

Description

一种耐碱玻璃纤维布
（一）技术领域
本发明涉及玻璃纤维技术领域，特别涉及一种耐碱玻璃纤维布。
（二）背景技术
玻璃纤维网格布具有拉力强度高、粘结性好、定位性佳、使用方便等特点，目前广泛应用于墙体增强、外墙保温、屋面防水、地面增强、轻质建筑板材增强等方面，是建筑行业理想的无机非金属工程材料。但是它极易受到混凝土中碱性介质的侵蚀，造成强度下降。
目前主要有两种途径来提高玻纤网格布耐碱性能：一是使用特制的耐碱玻璃纤维作为网格布的基材，二是使用耐碱高分子涂层包覆网格布，阻止其与使用环境中碱性介质的接触。耐碱玻璃纤维制造价格昂贵，在国内推广有一定难度。使用耐碱涂层可以避免使用昂贵的原材料，提高产品的经济效益。
（三）发明内容
本发明为了弥补现有技术的不足，提供了一种耐碱玻璃纤维布。
本发明是通过如下技术方案实现的：
一种耐碱玻璃纤维布，包括玻璃纤维层、树脂层、固化剂，其特征在于：所述耐腐蚀树脂层包覆在玻璃纤维层表面，所述玻璃纤维层、树脂层、固化剂的质量份数比为1:3～5：2～4。
耐碱玻璃纤维布包括以下步骤：
（1）制备树脂层：按重量份数将环氧树脂20～40份、羟基硅油2～8份，醋酸乙烯酯3～10份，羟甲基丙烯酰胺3～10份，混合均匀后得A组份备用；将固化剂20～30份，氨基硅烷15～25份，聚酰胺8～16份，十二烷基磺酸钠3～6份，纳米蒙脱土5～8份混合均匀后得到B组份备用；
（2）处理玻璃纤维布：处理玻璃纤维布：将玻璃纤维布放入酸沥滤槽中，该酸沥滤槽中加入0.3～0.5mol/L的盐酸水溶液，盐酸水溶液温度为80-90℃，浸泡30-40min后，将玻璃纤维布取出用清水洗至玻璃纤维布表面为中性后，将玻璃纤维布已连续的方式进入烘箱，控制烘箱温度为200～300摄氏度，保持20～30m/min的速度运行，然后自然冷却至室温；
（3）浸渍和烘干：将步骤（2）中处理过的玻璃纤维布浸渍到浸渍槽内，浸渍槽内按比例将A组份和B组份混合均匀，使玻璃纤维布匀速通过浸渍槽，然后送入固化池内固化20～40min，使得玻璃纤维层表面覆盖有耐腐蚀树脂层；将固化完全的玻璃纤维布送入烘箱烘干，并自然冷却至室温；
（4）收卷、包装：将处理完成的玻璃纤维布收卷得到成品。
所述环氧树脂为有机硅改性环氧树脂。
所述纳米蒙脱土的粒径为30～50nm。
所述步骤（3）中烘箱内的温度为120～160摄氏度，运行速度为20～30m/min。
所述树脂层的厚度为30～70μm。
所述固化剂为乙二胺，二乙烯三胺，间苯二甲胺，羟乙基乙二胺中的一种。
上述机硅改性环氧树脂是由以环氧树脂中的烷基与有机硅树脂的硅醇进行缩合反应得到的；经过改性后环氧树脂应用体系具有致密的三维结构，使得其具有优异的机械性能和耐腐蚀性能，并且在环氧树脂固化的过程中产生优异的附着力。
本发明的有益效果是：本发明的耐碱玻璃纤维布具有优异的耐碱性，并且机械强度高，增加了产品的使用寿命；并且本方法操作简单，对设备要求小，可以满足连续化工业生产的需求。
（四）具体实施方式
实施例1：
（1）制备树脂层：按重量份数将环氧树脂20份、羟基硅油2份，醋酸乙烯酯3份，羟甲基丙烯酰胺3份，混合均匀后得A组份备用；将固化剂20份，氨基硅烷15份，聚酰胺8份，十二烷基磺酸钠3份，纳米蒙脱土5份混合均匀后得到B组份备用；
（2）处理玻璃纤维布：处理玻璃纤维布：将玻璃纤维布放入酸沥滤槽中，该酸沥滤槽中加入0.3～0.5mol/L的盐酸水溶液，盐酸水溶液温度为80-90℃，浸泡30-40min后，将玻璃纤维布取出用清水洗至玻璃纤维布表面为中性后，将玻璃纤维布已连续的方式进入烘箱，控制烘箱温度为200～300摄氏度，保持20～30m/min的速度运行，然后自然冷却至室温；
（3）浸渍和烘干：将步骤（2）中处理过的玻璃纤维布浸渍到浸渍槽内，浸渍槽内按比例将A组份和B组份混合均匀，使玻璃纤维布匀速通过浸渍槽，然后送入固化池内固化20～40min，使得玻璃纤维层表面覆盖有耐腐蚀树脂层；将固化完全的玻璃纤维布送入烘箱烘干，并自然冷却至室温；
（4）收卷、包装：将处理完成的玻璃纤维布收卷得到成品。
实施例2：
（1）制备树脂层：按重量份数将环氧树脂40份、羟基硅油8份，醋酸乙烯酯10份，羟甲基丙烯酰胺10份，混合均匀后得A组份备用；将固化剂30份，氨基硅烷25份，聚酰胺16份，十二烷基磺酸钠6份，纳米蒙脱土8份混合均匀后得到B组份备用；
（2）处理玻璃纤维布：处理玻璃纤维布：将玻璃纤维布放入酸沥滤槽中，该酸沥滤槽中加入0.3～0.5mol/L的盐酸水溶液，盐酸水溶液温度为80-90℃，浸泡30-40min后，将玻璃纤维布取出用清水洗至玻璃纤维布表面为中性后，将玻璃纤维布已连续的方式进入烘箱，控制烘箱温度为200～300摄氏度，保持20～30m/min的速度运行，然后自然冷却至室温；
（3）浸渍和烘干：将步骤（2）中处理过的玻璃纤维布浸渍到浸渍槽内，浸渍槽内按比例将A组份和B组份混合均匀，使玻璃纤维布匀速通过浸渍槽，然后送入固化池内固化20～40min，使得玻璃纤维层表面覆盖有耐腐蚀树脂层；将固化完全的玻璃纤维布送入烘箱烘干，并自然冷却至室温；
（4）收卷、包装：将处理完成的玻璃纤维布收卷得到成品。
实施例3：
（1）制备树脂层：按重量份数将环氧树脂35份、羟基硅油5份，醋酸乙烯酯7份，羟甲基丙烯酰胺6份，混合均匀后得A组份备用；将固化剂22份，氨基硅烷17份，聚酰胺10份，十二烷基磺酸钠5份，纳米蒙脱土6份混合均匀后得到B组份备用；
（2）处理玻璃纤维布：处理玻璃纤维布：将玻璃纤维布放入酸沥滤槽中，该酸沥滤槽中加入0.3～0.5mol/L的盐酸水溶液，盐酸水溶液温度为80-90℃，浸泡30-40min后，将玻璃纤维布取出用清水洗至玻璃纤维布表面为中性后，将玻璃纤维布已连续的方式进入烘箱，控制烘箱温度为200～300摄氏度，保持20～30m/min的速度运行，然后自然冷却至室温；
（3）浸渍和烘干：将步骤（2）中处理过的玻璃纤维布浸渍到浸渍槽内，浸渍槽内按比例将A组份和B组份混合均匀，使玻璃纤维布匀速通过浸渍槽，然后送入固化池内固化20～40min，使得玻璃纤维层表面覆盖有耐腐蚀树脂层；将固化完全的玻璃纤维布送入烘箱烘干，并自然冷却至室温；
（4）收卷、包装：将处理完成的玻璃纤维布收卷得到成品。

Claims (7)

1.一种耐碱玻璃纤维布，包括玻璃纤维层、树脂层、固化剂，其特征在于：所述耐腐蚀树脂层包覆在玻璃纤维层表面，所述玻璃纤维层、树脂层、固化剂的质量份数比为1:3～5：2～4。
2.根据权利要求1所述的耐碱玻璃纤维布，其特征在于：包括以下步骤：（1）制备树脂层：按重量份数将环氧树脂20～40份、羟基硅油2～8份，醋酸乙烯酯3～10份，羟甲基丙烯酰胺3～10份，混合均匀后得A组份备用；将固化剂20～30份，氨基硅烷15～25份，聚酰胺8～16份，十二烷基磺酸钠3～6份，纳米蒙脱土5～8份混合均匀后得到B组份备用；（2）处理玻璃纤维布：将玻璃纤维布放入酸沥滤槽中，该酸沥滤槽中加入0.3～0.5mol/L的盐酸水溶液，盐酸水溶液温度为80-90℃，浸泡30-40min后，将玻璃纤维布取出用清水洗至玻璃纤维布表面为中性后，将玻璃纤维布已连续的方式进入烘箱，控制烘箱温度为200～300摄氏度，保持20～30m/min的速度运行，然后自然冷却至室温；（3）浸渍和烘干：将步骤（2）中处理过的玻璃纤维布浸渍到浸渍槽内，浸渍槽内按比例将A组份和B组份混合均匀，使玻璃纤维布匀速通过浸渍槽，然后送入固化池内固化20～40min，使得玻璃纤维层表面覆盖有耐腐蚀树脂层；将固化完全的玻璃纤维布送入烘箱烘干，并自然冷却至室温；（4）收卷、包装：将处理完成的玻璃纤维布收卷得到成品。
3.根据权利要求2所述的耐碱玻璃纤维布，其特征在于：所述环氧树脂为有机硅改性环氧树脂。
4.根据权利要求2所述的耐碱玻璃纤维布，其特征在于：所述纳米蒙脱土的粒径为30～50nm。
5.根据权利要求2所述的耐碱玻璃纤维布，其特征在于：所述步骤（3）中烘箱内的温度为120～160摄氏度，运行速度为20～30m/min。
6.根据权利要求2所述的耐碱玻璃纤维布，其特征在于：所述树脂层的厚度为30～70μm。
7.根据权利要求2所述的耐碱玻璃纤维布，其特征在于：所述固化剂为乙二胺，二乙烯三胺，间苯二甲胺，羟乙基乙二胺中的一种。
CN201610250891.5A 2016-04-21 2016-04-21 一种耐碱玻璃纤维布 Pending CN105803785A (zh)

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