CN108842476A - 一种耐碱玻璃纤维网格布 - Google Patents

一种耐碱玻璃纤维网格布 Download PDF

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CN108842476A
CN108842476A CN201810826511.7A CN201810826511A CN108842476A CN 108842476 A CN108842476 A CN 108842476A CN 201810826511 A CN201810826511 A CN 201810826511A CN 108842476 A CN108842476 A CN 108842476A
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alkali
glass fiber
fiber mesh
proof glass
adhesive layer
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吴金权
吕宗平
吕环胜
郑红兵
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HEFEI SHENZHOU CONSTRUCTION CO Ltd
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HEFEI SHENZHOU CONSTRUCTION CO Ltd
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Abstract

本发明公开了一种耐碱玻璃纤维网格布，该耐碱玻璃纤维网格布由经线和纬线编织而成，所有经线等距纵向排列，所有纬线等距横向排列，每根经线与所有纬线交织；所有经线和纬线均为玻璃纤维纱，玻璃纤维纱包括若干单丝，每根单丝的直径均为7‑10μm；所述耐碱玻璃纤维网格布的厚度为0.2‑0.7mm；且所述耐碱玻璃纤维网格布外表面涂有粘结剂层，粘结剂层外表面涂有耐碱层；本发明耐高温性能强、抗拉强度高、热导系数低，且该耐碱玻璃纤维网格布在与树脂复合形成耐烧蚀材料时，能够有效提高耐烧蚀材料的耐烧蚀性能和耐机械冲刷性能，防止耐烧蚀材料表面高温传入耐烧蚀材料的内部。

Description

一种耐碱玻璃纤维网格布
技术领域
本发明涉及一种网格布，具体是一种耐碱玻璃纤维网格布。
背景技术
玻璃纤维网格布是以玻璃纤维机织物为基材，经高分子抗乳液浸泡涂层的物质，由于玻璃纤维网格布所用的丙烯酸酯乳液作为涂层存在着“热粘冷脆”强度及耐碱保留率不高的特点，在实际生产应用中都受到了限制，耐高温、抗碱性和抗冲刷性能较差；且玻璃纤维网格布作为增强材料已经被广泛地应用于建筑墙面中，但现有的网格布其强度无法满足建筑业的需要，如果采用较粗的纤维，网格布表面凹凸不平，服帖性差，不容易施工，强度不够，且质量不易控制；
玻璃纤维网格布常用于建筑装修上，贴在墙面上用于防止墙面开裂，一般情况下，墙面上只贴一层网格布即可，但也有特殊情况，比如在搭接处或者需要考虑承重情况的时候，一层网格布往往是不够的，需要贴多层网格布，在贴多层网格布的时候，最重要的一点是需要将多层网格布的经线和纬线对齐，这是为了保证足够量的水泥等墙面涂层穿过网格布，因为多层网格布的经线和纬线不对齐会直接减少水泥等墙面涂层的占用空间，具有墙面脱落的风险，而目前对齐的方式仅仅是人工手动对齐，效率低，效果差；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。
发明内容
本发明的目的在于提供一种耐碱玻璃纤维网格布，以解决上述背景技术中提出的问题。
为实现上述目的，本发明提供如下技术方案：
一种耐碱玻璃纤维网格布，该耐碱玻璃纤维网格布由经线和纬线编织而成，所有经线等距纵向排列，所有纬线等距横向排列，每根经线与所有纬线交织；所有经线和纬线均为玻璃纤维纱，玻璃纤维纱包括若干单丝，每根单丝的直径均为7-10μm；所述耐碱玻璃纤维网格布的厚度为0.2-0.7mm；且所述耐碱玻璃纤维网格布外表面涂有粘结剂层，粘结剂层外表面涂有耐碱层，粘结剂层能够使得耐碱层与耐碱玻璃纤维网格布表面粘结牢固，从而使高性能耐碱玻璃纤维网格布制作成后具有很好的整体性，方便施工，且与耐碱玻璃纤维网格布具有良好的粘结性，对耐碱玻璃纤维网格布后期用树脂增强也不造成影响；同时浸润在耐碱玻璃纤维网格布表面的粘结剂在常温时无粘性，方便储存、运输以及使用；粘结剂层采用的粘结剂为EVA类、聚酰胺类、聚酯类、SBS类、SIS类和聚氨酯类中的一种，粘结剂层厚度为0.01-0.03mm，上述耐碱层包括以下按照重量份的原料：苯乙烯6-9份，丙烯酸丁酯9-11份，甲基丙烯酸甲酯25-30份，硼酸锌48-51份，氢氧化铅6-9份。
作为本发明再进一步的方案：上述耐碱层的制备过程为，将反应釜加热至120-150℃，加入一定量的丙烯酸丁酯和甲基丙烯酸甲酯，加热至200-220℃，保持此温度30分钟后，使其在反应釜内自然降温至70℃左右；然后加入一定量的苯乙烯，硼酸锌和乙酸钙，继续升温至100-120℃，保持该温度2-2.5小时后自然冷却至常温； 将上述制备好的耐碱层均匀地涂覆在玻璃纤维坯布上。
作为本发明再进一步的方案：粘结剂层优选为聚氨酯类。
作为本发明再进一步的方案：该耐碱玻璃纤维网格布的面密度为60-220g/m2 ，如若玻璃纤维网格布的克重小于60g/m2，则该玻璃纤维网格布的强度差，容易断；如若耐碱玻璃纤维网格布的克重大于220g/m2，则会加大后续加工工序的难度，也会增加成本，甚至在夹芯复合材料工序阶段形成截面影响。
作为本发明再进一步的方案：所述耐碱玻璃纤维纱的线密度均为30-260tex。
作为本发明再进一步的方案：所述耐碱玻璃纤维纱的线密度均为60-200tex。
作为本发明再进一步的方案：所述耐碱玻璃纤维纱的捻度均为55-180捻/m。
作为本发明再进一步的方案：所述耐碱玻璃纤维网格布的厚度为0.5mm。
与现有技术相比，本发明的有益效果是：本发明耐高温性能强、抗拉强度高、热导系数低，且该耐碱玻璃纤维网格布在与树脂复合形成耐烧蚀材料时，能够有效提高耐烧蚀材料的耐烧蚀性能和耐机械冲刷性能，防止耐烧蚀材料表面高温传入耐烧蚀材料的内部。
附图说明
图1为耐碱玻璃纤维网格布的结构示意图。
图2为耐碱玻璃纤维网格布的主视图。
图中：1-经线、2-纬线、3-粘结剂层、4-耐碱层。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例1
一种耐碱玻璃纤维网格布，该耐碱玻璃纤维网格布由经线和纬线编织而成，所有经线1等距纵向排列，所有纬线2等距横向排列，每根经线1与所有纬线2交织；所有经线1和纬线2均为玻璃纤维纱，玻璃纤维纱包括若干单丝，每根单丝的直径均为7μm；所述耐碱玻璃纤维网格布的厚度为0.2mm；所述耐碱玻璃纤维纱的线密度均为30tex，且所述耐碱玻璃纤维网格布外表面涂有粘结剂层3，粘结剂层3外表面涂有耐碱层4，粘结剂层3能够使得耐碱层4与耐碱玻璃纤维网格布表面粘结牢固，从而使高性能耐碱玻璃纤维网格布制作成后具有很好的整体性，方便施工，且与耐碱玻璃纤维网格布具有良好的粘结性，对耐碱玻璃纤维网格布后期用树脂增强也不造成影响；同时浸润在耐碱玻璃纤维网格布表面的粘结剂在常温时无粘性，方便储存、运输以及使用。
粘结剂层3厚度为0.01mm。
粘结剂层3优选为聚氨酯类。
该耐碱玻璃纤维网格布的面密度为60g/m2 ，如若玻璃纤维网格布的克重小于60g/m2，则该玻璃纤维网格布的强度差，容易断；如若耐碱玻璃纤维网格布的克重大于220g/m2，则会加大后续加工工序的难度，也会增加成本，甚至在夹芯复合材料工序阶段形成截面影响。
所述耐碱玻璃纤维纱的线密度均为60tex。
所述耐碱玻璃纤维纱的捻度均为55捻/m。
所述耐碱玻璃纤维网格布的厚度为0.5mm。
上述耐碱层4包括以下按照重量份的原料：苯乙烯6份，丙烯酸丁酯9份，甲基丙烯酸甲酯25份，硼酸锌48份，氢氧化铅6份。
上述耐碱层4的制备过程为，将反应釜加热至120℃，加入一定量的丙烯酸丁酯和甲基丙烯酸甲酯，加热至200℃，保持此温度30分钟后，使其在反应釜内自然降温至70℃左右；然后加入一定量的苯乙烯，硼酸锌和乙酸钙，继续升温至100℃，保持该温度2小时后自然冷却至常温； 将上述制备好的耐碱层4均匀地涂覆在玻璃纤维坯布上。
实施例2
一种耐碱玻璃纤维网格布，该耐碱玻璃纤维网格布由经线和纬线编织而成，所有经线1等距纵向排列，所有纬线2等距横向排列，每根经线1与所有纬线2交织；所有经线1和纬线2均为玻璃纤维纱，玻璃纤维纱包括若干单丝，每根单丝的直径均为10μm；所述耐碱玻璃纤维网格布的厚度为0.7mm；所述耐碱玻璃纤维纱的线密度均为260tex，且所述耐碱玻璃纤维网格布外表面涂有粘结剂层3，粘结剂层3外表面涂有耐碱层4，粘结剂层3能够使得耐碱层4与耐碱玻璃纤维网格布表面粘结牢固，从而使高性能耐碱玻璃纤维网格布制作成后具有很好的整体性，方便施工，且与耐碱玻璃纤维网格布具有良好的粘结性，对耐碱玻璃纤维网格布后期用树脂增强也不造成影响；同时浸润在耐碱玻璃纤维网格布表面的粘结剂在常温时无粘性，方便储存、运输以及使用。
粘结剂层3厚度为0.03mm。
粘结剂层3优选为聚氨酯类。
该耐碱玻璃纤维网格布的面密度为220g/m2 ，如若玻璃纤维网格布的克重小于60g/m2，则该玻璃纤维网格布的强度差，容易断；如若耐碱玻璃纤维网格布的克重大于220g/m2，则会加大后续加工工序的难度，也会增加成本，甚至在夹芯复合材料工序阶段形成截面影响。
所述耐碱玻璃纤维纱的线密度均为200tex。
所述耐碱玻璃纤维纱的捻度均为180捻/m。
所述耐碱玻璃纤维网格布的厚度为0.5mm。
上述耐碱层4包括以下按照重量份的原料：苯乙烯9份，丙烯酸丁酯11份，甲基丙烯酸甲酯30份，硼酸锌51份，氢氧化铅9份。
上述耐碱层4的制备过程为，将反应釜加热至150℃，加入一定量的丙烯酸丁酯和甲基丙烯酸甲酯，加热至220℃，保持此温度30分钟后，使其在反应釜内自然降温至70℃左右；然后加入一定量的苯乙烯，硼酸锌和乙酸钙，继续升温至120℃，保持该温度2-2.5小时后自然冷却至常温； 将上述制备好的耐碱层4均匀地涂覆在玻璃纤维坯布上。
实施例3
一种耐碱玻璃纤维网格布，该耐碱玻璃纤维网格布由经线和纬线编织而成，所有经线1等距纵向排列，所有纬线2等距横向排列，每根经线1与所有纬线2交织；所有经线1和纬线2均为玻璃纤维纱，玻璃纤维纱包括若干单丝，每根单丝的直径均为9μm；所述耐碱玻璃纤维网格布的厚度为0.4mm；所述耐碱玻璃纤维纱的线密度均为220tex，且所述耐碱玻璃纤维网格布外表面涂有粘结剂层3，粘结剂层3外表面涂有耐碱层4，粘结剂层3能够使得耐碱层4与耐碱玻璃纤维网格布表面粘结牢固，从而使高性能耐碱玻璃纤维网格布制作成后具有很好的整体性，方便施工，且与耐碱玻璃纤维网格布具有良好的粘结性，对耐碱玻璃纤维网格布后期用树脂增强也不造成影响；同时浸润在耐碱玻璃纤维网格布表面的粘结剂在常温时无粘性，方便储存、运输以及使用。
粘结剂层3厚度为0.02mm。
粘结剂层3优选为聚氨酯类。
该耐碱玻璃纤维网格布的面密度为120g/m2 ，如若玻璃纤维网格布的克重小于60g/m2，则该玻璃纤维网格布的强度差，容易断；如若耐碱玻璃纤维网格布的克重大于220g/m2，则会加大后续加工工序的难度，也会增加成本，甚至在夹芯复合材料工序阶段形成截面影响。
所述耐碱玻璃纤维纱的线密度均为140tex。
所述耐碱玻璃纤维纱的捻度均为100捻/m。
所述耐碱玻璃纤维网格布的厚度为0.5mm。
上述耐碱层4包括以下按照重量份的原料：苯乙烯8份，丙烯酸丁酯10份，甲基丙烯酸甲酯30份，硼酸锌50份，氢氧化铅8份。
上述耐碱层4的制备过程为，将反应釜加热至125℃，加入一定量的丙烯酸丁酯和甲基丙烯酸甲酯，加热至205℃，保持此温度30分钟后，使其在反应釜内自然降温至70℃左右；然后加入一定量的苯乙烯，硼酸锌和乙酸钙，继续升温至110℃，保持该温度2.4小时后自然冷却至常温； 将上述制备好的耐碱层4均匀地涂覆在玻璃纤维坯布上。
对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其他的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。
此外，应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施例中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。

Claims (10)

1.一种耐碱玻璃纤维网格布，其特征在于，该耐碱玻璃纤维网格布由经线（1）和纬线（2）编织而成，所有经线（1）等距纵向排列，所有纬线（2）等距横向排列，每根经线（1）与所有纬线（2）交织；所有经线（1）和纬线（2）均为玻璃纤维纱，玻璃纤维纱包括若干单丝，每根单丝的直径均为7-10μm；所述耐碱玻璃纤维网格布的厚度为0.2-0.7mm；且所述耐碱玻璃纤维网格布外表面涂有粘结剂层（3），粘结剂层（3）外表面涂有耐碱层（4）。
2.根据权利要求1所述的耐碱玻璃纤维网格布，其特征在于，粘结剂层（3）采用的粘结剂为EVA类、聚酰胺类、聚酯类、SBS类、SIS类、聚氨酯类中的一种。
3.根据权利要求2所述的耐碱玻璃纤维网格布，其特征在于，粘结剂层（3）厚度为0.01-0.03mm。
4.根据权利要求2所述的耐碱玻璃纤维网格布，其特征在于，粘结剂层（3）优选为聚氨酯类。
5.根据权利要求1所述的耐碱玻璃纤维网格布，其特征在于，该耐碱玻璃纤维网格布的面密度为60-220g/m2，所述耐碱玻璃纤维纱的线密度均为30-260tex。
6.根据权利要求6所述的耐碱玻璃纤维网格布，其特征在于，所述耐碱玻璃纤维纱的线密度均为60-200tex。
7.根据权利要求1所述的耐碱玻璃纤维网格布，其特征在于，所述耐碱玻璃纤维纱的捻度均为55-180捻/m。
8.根据权利要求1所述的耐碱玻璃纤维网格布，其特征在于，所述耐碱层（4）包括以下按照重量份的原料：苯乙烯6-9份，丙烯酸丁酯9-11份，甲基丙烯酸甲酯25-30份，硼酸锌48-51份，氢氧化铅6-9份。
9.根据权利要求8所述的耐碱玻璃纤维网格布，其特征在于，所述耐碱层（4）的制备过程为，将反应釜加热至120-150℃，加入一定量的丙烯酸丁酯和甲基丙烯酸甲酯，加热至200-220℃，保持此温度30分钟后，使其在反应釜内自然降温至70℃左右；然后加入一定量的苯乙烯，硼酸锌和乙酸钙，继续升温至100-120℃，保持该温度2-2.5小时后自然冷却至常温； 将上述制备好的耐碱层（4）均匀地涂覆在玻璃纤维坯布上。
10.如权利要求1-9任一所述的耐碱玻璃纤维网格布，其特征在于，所述耐碱玻璃纤维网格布的厚度为0.5mm。
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