CN113214523B - 一种抗静电玻璃钢板及其制备方法 - Google Patents
一种抗静电玻璃钢板及其制备方法 Download PDFInfo
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Abstract
本申请涉及玻璃钢领域,具体公开了一种抗静电玻璃钢板及其制备方法。抗静电玻璃钢板包括纤维树脂混合层、设置于纤维树脂混合层至少一侧的抗静电层;所述抗静电层包括以下重量份数的组分:间苯不饱和聚酯树脂100份;固化剂1‑3份;促进剂0.1‑0.8份;阻聚剂0.01‑0.3份;消泡剂0.1‑2份;抗紫外线剂0.3‑5份;抗静电助剂0.5‑30份;所述抗静电助剂包括离子型抗静电剂、非离子型抗静电剂和有机硅类抗静电剂中的至少一种。本申请的抗静电玻璃钢板具有抗静电的优点。
Description
技术领域
本申请涉及玻璃钢领域,更具体地说,它涉及一种抗静电玻璃钢板及其制备方法。
背景技术
玻璃钢,即纤维强化塑料,一般是指用各类增强纤维作为增强材料来增强树脂基体所形成的增强塑料。
玻璃钢板是由玻璃钢为原材料所制成的板状材料,多用于车厢、工业生产设备、建筑等领域,具有轻质高强、耐腐蚀、耐热等优点。但随着通讯输电和轨道交通行业的迅速发展,对玻璃钢材料的抗静电性能要求逐渐提高,需要提供具有抗静电性能的玻璃钢。
发明内容
为了实现玻璃钢板的抗静电功能,本申请提供一种抗静电玻璃钢板及其制备方法。
第一方面,本申请提供了如下技术方案:一种抗静电玻璃钢板,其特征在于,包括纤维树脂混合层、设置于纤维树脂混合层至少一侧的抗静电层;
所述抗静电层包括以下重量份数的组分:
间苯不饱和聚酯树脂100份;
固化剂1-3份;
促进剂0.1-0.8份;
阻聚剂0.01-0.3份;
消泡剂0.1-2份;
抗紫外线剂0.3-5份;
抗静电助剂0.5-30份;
所述抗静电助剂包括离子型抗静电剂和非离子型抗静电剂中的至少一种。
通过采用上述技术方案,在纤维树脂混合层的基础上,增加了表面的抗静电层,实现抗静电作用。纤维树脂混合层为玻璃钢板提供基础基体,抗静电层由树脂和助剂组成,在为助剂提供载体的同时,提高玻璃钢板的树脂基体含量,实现多层结构,提高强度。抗静电助剂中,离子型抗静电剂是些长链的烷基季铵、磷或鏻盐或者烷基磺酸、磷酸或二硫代氨基甲酸的碱金属盐;非离子型抗静电剂是最大一类的抗静电剂,广泛运用于塑料。
进一步地,所述纤维树脂混合层包括树脂层和铺设于树脂层至少一侧的纤维层,且包括以下重量份数的组分:
邻苯不饱和聚酯树脂100份;
增强纤维20-70份;
固化剂1-3份;
促进剂0.1-0.8份;
阻聚剂0.01-0.3份;
消泡剂0.1-2份。
通过采用上述技术方案,利用纤维树脂混合层和抗静电层将增强纤维设置于基体树脂中,无需进行增强纤维与树脂原料的混合。
进一步地,所述纤维树脂混合层还包括5-15份的弹性树脂,所述弹性树脂由橡胶和聚乙烯共混改性得到。
通过采用上述技术方案,弹性树脂可增加玻璃钢整体的韧性。
进一步地,所述抗静电助剂包括有机硅类抗静电剂和非离子型抗静电剂,所述非离子型抗静电剂混合于抗静电层中,有机硅类抗静电剂混合于纤维树脂混合层中。
通过采用上述技术方案,由试验可知,可进一步提高抗静电性能。
进一步地,所述抗静电层还包括5-10份抗菌载体和0.3-5份的抗菌防霉剂。
通过采用上述技术方案,不会降低原有的物理性能同时表明不会变色,表面不容易发霉,抑制表面有害细菌的生成。
进一步地,所述抗静电层外侧设置有可脱离的聚酯薄膜层。
通过采用上述技术方案,可在聚酯薄膜表面压印图案或外观效果,以达到最外层的外观,同时聚酯薄膜成型后可以脱离,不影响玻璃钢本身的层结构和外表面性能。
第二方面,本申请提供了如下技术方案:一种抗静电玻璃钢板的制备方法,其特征在于,包括以下步骤:
S1:纤维树脂混合层制备:将纤维树脂混合层中除增强纤维以外的原料混合均匀,倒入模具成型,得到树脂层;成型后将增强纤维均匀的敷设于树脂层的一面或两面,排出气泡后,在70-90℃固化20-35min,得到纤维树脂混合层;
S2:抗静电层的涂覆:将抗静电层的原料混合均匀,均匀涂敷于聚酯薄膜外侧,或/和纤维树脂远离聚酯薄膜的一侧,在70-90℃固化10-20min,完成抗静电层的涂覆。
通过采用上述技术方案,得到均一稳定的玻璃钢板。
进一步地,所述抗静电助剂中,有机硅类抗静电剂与纤维树脂混合层的弹性树脂混合后,再与有机硅类抗静电剂除增强纤维以外的其他原料混合,得到纤维树脂混合层;非离子型抗静电剂混合于抗静电层原料中。
通过采用上述技术方案,由试验可知,可进一步提高抗静电性能。
综上所述,本申请具有以下有益效果:
1、本申请中优选采用纤维树脂混合层和设置于纤维树脂混合层至少一侧的抗静电层,在实现抗静电效果的同时,实现多层结构,提高强度。
2、由于本申请采用弹性树脂与抗静电助剂中的有机硅类抗静电剂混合,并配合非离子型抗静电剂混合于抗静电层中,可进一步提高抗静电性能。
3、本申请中优选在抗静电层外侧设置可脱离的聚酯薄膜层,赋予最外层的所需外观,同时聚酯薄膜成型后可以脱离,不影响玻璃钢本身的层结构和外表面性能。
具体实施方式
实施例
实施例1:一种抗静电玻璃钢板,包括纤维树脂混合层和复合于纤维树脂混合层一侧的抗静电层,由以下步骤制备得到:
S1:纤维树脂混合层制备:将纤维树脂混合层中除增强纤维以外的原料投入搅拌罐,在20±5℃,80r/min的搅拌条件下搅拌20min后,倒入模具冷却直至成型;成型后将增强纤维均匀的敷设于树脂层的一侧,通过浸润辊经过设置有增强纤维的一面,将气泡排出后,送入烤箱,在90℃固化30min,得到厚度为0.5mm纤维树脂混合层;
S2:抗静电层的涂覆:将抗静电层的原料投入搅拌器,在20±5℃,500r/min的搅拌条件下搅拌10min后,辊涂于纤维树脂混合层的一面,厚度为0.1mm;送入烤箱,在90℃固化15min,完成抗静电层的涂覆。
纤维树脂混合层和抗静电层的组分、组成和质量如表1所示。
实施例2:一种抗静电玻璃钢板,与实施例1的区别在于,纤维树脂混合层的厚度为3mm,抗静电层的涂覆厚度为0.3mm。纤维树脂混合层和抗静电层的组分、组成和质量如表1所示。
实施例3:一种抗静电玻璃钢板,与实施例1的区别在于,纤维树脂混合层的厚度为6mm,抗静电层的涂覆厚度为0.7mm。纤维树脂混合层和抗静电层的组分、组成和质量如表1所示。
实施例4:一种抗静电玻璃钢板,与实施例2的区别在于,纤维树脂混合层的两侧均涂覆有抗静电层。
实施例5:一种抗静电玻璃钢板,与实施例2的区别在于,增强纤维均匀铺设于树脂层的两侧。纤维树脂混合层的两侧均涂覆有抗静电层。
实施例6-8:一种抗静电玻璃钢板,与实施例5的区别在于,纤维树脂混合层和抗静电层的组分、组成和质量如表1所示。
实施例9:一种抗静电玻璃钢板,与实施例7的区别在于,抗静电助剂由质量份数比为1:1的有机硅类抗静电剂和非离子型抗静电剂组成,有机硅类抗静电剂选用硅烷偶联剂kh560,非离子型抗静电剂为山梨糖醇。
实施例10:一种抗静电玻璃钢板,与实施例7的区别在于,抗静电助剂由质量份数比为0.5:1的有机硅类抗静电剂和非离子型抗静电剂组成,有机硅类抗静电剂选用硅烷偶联剂kh560,非离子型抗静电剂为十八胺聚氧乙烯醚。
实施例11:一种抗静电玻璃钢板,与实施例10的区别在于,制备过程中,有机硅类抗静电剂在步骤S1中与纤维树脂混合层中除增强纤维以外的原料一起投入搅拌罐搅拌。非离子型抗静电剂在步骤S2中作为抗静电层的原料投入搅拌器。
实施例12:一种抗静电玻璃钢板,与实施例11的区别在于,制备过程中,步骤S1:先将有机硅类抗静电剂和弹性树脂投入搅拌罐,在20±5℃,200r/min的搅拌条件下混合5min,再投入纤维树脂混合层中除增强纤维以外的剩余原料,80r/min的搅拌条件下搅拌20min后,倒入模具。
实施例13:一种抗静电玻璃钢板,与实施例12的区别在于,抗静电层还包括5kg的抗菌载体和0.3kg的抗菌防霉剂。抗菌防霉剂由35%的抗菌因子、20%的防霉因子和45%的纳米银组成。抗菌因子采购自西安百川生物科技有限责任公司的壳聚糖;防霉因子采购自东莞市森大硅藻土材料有限公司的SD-3;纳米银采购自广东赞誉防霉科技有限公司的MS-K004。
实施例14:一种抗静电玻璃钢板,与实施例13的区别在于,抗静电层还包括5kg的抗菌载体和1kg的抗菌防霉剂。
实施例15:一种抗静电玻璃钢板,与实施例13的区别在于,抗静电层还包括10kg的抗菌载体和5kg的抗菌防霉剂。
实施例16:一种抗静电玻璃钢板,与实施例14的区别在于,制备方法还包括:
S2:抗静电层的涂覆:将抗静电层的原料投入搅拌器聚酯薄膜层,在20±5℃,500r/min的搅拌条件下搅拌10min后,辊涂于聚酯薄膜一侧,再将抗静电层原料聚酯薄膜的一侧与纤维树脂混合层复合,送入烤箱,在90℃固化15min,冷却成型后将聚酯薄膜层撕去,完成抗静电层的涂覆。聚酯薄膜采购自东莞市鸿诺塑胶绝缘材料有限公司,规格为0.2mm。
表1实施例1-3、6-8纤维树脂混合层和抗静电层的组分、组成和质量(kg)
上述实施例中,邻苯不饱和聚酯树脂采购自东莞市汇洲高分子材料有限公司,牌号191#;间苯不饱和聚酯树脂采购自济南昭合新材料有限公司,GB8237;弹性树脂为橡胶改性聚乙烯,采购自衡水联科橡塑贸易有限公司,牌号135b。
固化剂为过氧化甲乙酮;促进剂为异辛酸钴;阻聚剂为对苯二酚;消泡剂为有机硅类消泡剂,采购自南京全希化工有限公司;抗紫外线剂采购自青岛杰得佳新材料科技有限公司的苯并三唑类紫外线吸收剂;抗菌载体采购自河南神华活性炭有限公司的蜂窝活性炭粉。
碳纤维采购自深圳市特力新材科技有限公司,规格为粗细0.7um,长度1-6mm。玻璃纤维采购自常州筑威建筑材料有限公司,规格为短切长度6mm。玄武岩纤维采购自江苏康达夫新材料科技有限公司,短切长度6mm,粗细为10um。聚酯树脂为聚对苯二甲酸乙二醇酯(PET)树脂。
对比例
对比例1:与实施例1的区别在于,将抗静电层中的抗静电助剂去除。
表征试验:
1、抗静电效果试验
试验对象:实施例1-15和对比例1,一共16组试验样品。
试验方法:试验样品的冷却模具尺寸为20cm*20cm,采用美国ACL数显式表面阻抗测试仪对表面电阻进行测试,测试面为抗静电层涂覆面。
试验结果:抗静电效果试验结果记录如表2所示。
表2抗静电效果试验结果记录
数据分析:由表2数据可知,与对比例1相比,实施例均表现出了更高的表面电阻,提高了抗静电效果。实施例中,抗静电效果由差至好依次是实施例1-8、实施例9-10、实施例11-15。
与对比例1相比,实施例1增加了抗静电涂层的使用,实现了抗静电效果。实施例6-8在实施例5的基础上增加了弹性树脂的使用,对抗静电效果的影响几乎没有。实施例9-10在实施例7的基础上增加了抗静电助剂的分配使用方法,将有机硅类抗静电剂分配至弹性树脂中,可以提高抗静电效果。原因可能是:有机硅类抗静电剂可与弹性树脂良好的混合,从而确保有机硅类抗静电剂在纤维树脂混合层的分散性;非离子型抗静电剂添加于抗静电层中确保抗静电层的抗静电作用。抗静电层中的非离子型抗静电剂会在表面形成紧密的取向排列,亲水端朝向树脂外侧,增加导湿性而减少表面静电;而位于纤维树脂混合层表面的有机硅类抗静电剂可以减少静电的积累,同时均匀分布于树脂内。通过内外的配合提高抗静电性能。
本具体实施例仅仅是对本申请的解释,其并不是对本申请的限制,本领域技术人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改,但只要在本申请的权利要求范围内都受到专利法的保护。
Claims (3)
1.一种抗静电玻璃钢板,其特征在于,包括纤维树脂混合层、设置于纤维树脂混合层至少一侧的抗静电层;
所述抗静电层包括以下重量份数的组分:
间苯不饱和聚酯树脂100份;
弹性树脂 10份;
固化剂2份;
促进剂0.15份;
阻聚剂0.2份;
消泡剂0.3份;
抗紫外线剂3份;
非离子型抗静电剂3.333份;
所述纤维树脂混合层包括树脂层和铺设于树脂层至少一侧的纤维层,且包括以下重量份数的组分:
邻苯不饱和聚酯树脂100份;
增强纤维30份;
固化剂2份;
促进剂0.15份;
阻聚剂0.2份;
消泡剂0.3份;
有机硅类抗静电剂 1.667份;
所述抗静电玻璃钢板的制备方法,包括以下步骤:
S1:纤维树脂混合层制备:将纤维树脂混合层中除增强纤维以外的原料混合均匀,倒入模具成型,得到树脂层;成型后将增强纤维均匀的敷设于树脂层的一面或两面,排出气泡后,在70-90℃固化20-35min,得到纤维树脂混合层;
S2:抗静电层的涂覆:将抗静电层的原料混合均匀,均匀涂敷于纤维树脂混合层的一面或两面,在70-90℃固化10-20min,完成抗静电层的涂覆。
2.根据权利要求1所述的一种抗静电玻璃钢板,其特征在于,所述抗静电层还包括5-10份抗菌载体和0.3-5份的抗菌防霉剂。
3.根据权利要求1所述的一种抗静电玻璃钢板,其特征在于,所述抗静电层外侧设置有可脱离的聚酯薄膜层。
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