CN112048914A - 耐高温浸胶帆布 - Google Patents
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Abstract
本发明公开了一种耐高温浸胶帆布,它由帆布和包覆于帆布外表面的浸胶层构成;帆布由经线和纬线相互垂直交织而成;经线分为第一经线和第二经线;第一经线和所述第二经线交替设置;第一经线由两股尼龙66线绳呈螺旋状交捻而成,尼龙66线绳的规格为180~210D;第二经线由两股腈纶线绳呈螺旋状交捻而成,腈纶线绳的规格为110~135D;纬线由三股维纶线绳呈螺旋状交捻而成,维纶线绳的规格为235~275D。本发明的耐高温浸胶帆布能在高温的场合下长久使用,且强度高、使用寿命长,还具有优良的环境适应力。
Description
技术领域
本发明涉及帆布领域,特别是一种耐高温浸胶帆布。
背景技术
输送带,是用于皮带输送带中起承载和运送物料作用的弹性体与织物复合的制品;传动带,是传动带***中的传动介质,是用于动力传递的弹性体与织物复合的制品。输送带与传动带由于其高的工作效率被广泛的应用于生活中。
输送带和传动带所复合的织物主要作用是连接弹性体,保持弹性体尺寸稳定性,还有着保护弹性体不受磨损、浸渍、腐蚀的功能,并且带体的强度、抗冲击性能、耐屈挠性能等也与织物的性能密切相关。
传统的输送带和传动带复合的织物有棉、聚酯、芳纶、锦纶等纤维织物,这些纤维织物虽然有着质轻价廉的优点,但是在应用到如长期光照、高温等相关极端工作环境下,也难以发挥出保护带体的作用。而近年来出现的浸胶帆布以其优良的环境适应性和优良耐温变性能渐渐被广泛应用;那么如何把进一步提升浸胶帆布的优点,就成了目前提升输送带和传动带的织物材料的一个新突破口。
发明内容
本发明的目的在于,提供一种耐高温浸胶帆布。本发明的耐高温浸胶帆布能在高温的场合下长久使用,且强度高、使用寿命长,还具有优良的环境适应力。
本发明的技术方案:耐高温浸胶帆布,它由帆布和包覆于帆布外表面的浸胶层构成;所述帆布由经线和纬线相互垂直交织而成;所述经线分为第一经线和第二经线;所述第一经线和所述第二经线交替设置;所述第一经线由两股尼龙66线绳呈螺旋状交捻而成,所述尼龙66线绳的规格为180~210D;所述第二经线由两股腈纶线绳呈螺旋状交捻而成,所述腈纶线绳的规格为110~135D;所述纬线由三股维纶线绳呈螺旋状交捻而成,所述维纶线绳的规格为235~275D。所述浸胶层(2)由改性硅橡胶固化成型,所述改性硅橡胶包括了重量比为4-6:1:2-3的A、B、C三组份。
所述A组份是由下述重量份的原料组成的:
端乙烯基聚二甲基硅氧烷60-70、己内酰胺10-16、过氧化二异丙苯0.2-0.3、硅烷偶联剂Kh550 1-2;
所述A组份的制备方法为:
(1)取过氧化二异丙苯,加入到其重量20-30倍的无水乙醇中,搅拌均匀,得引发剂溶液;
(2)取硅烷偶联剂Kh550、己内酰胺混合,送入行星搅拌机中,搅拌均匀,出料,送入反应釜中,通入氮气,调节反应釜温度为180-210℃,加入端乙烯基聚二甲基硅氧烷、引发剂溶液,保温搅拌40-50分钟,出料冷却,得A组份。
所述B组份为重量比为80-90:1的含氢硅油、铂催化剂混合组成。
所述C组份是由下述重量份的原料组成的:
正硅酸乙酯70-100、膨润土30-40、硬脂酸7-10、对甲基苯磺酸0.8-1、sp-80 2-3;
所述C组份的制备方法为:
(1)取硬脂酸,加热熔化,加入膨润土,充分球磨,得磨料;
(2)取正硅酸乙酯、对甲基苯磺酸混合,加入到混合料重量15-20倍的去离子水中,加入磨料、sp-80,搅拌3-5小时,浓缩至水含量为10-15%,即得C组份。
所述改性硅橡胶固化成型的步骤为:
(1)取A、C组份混合,在75-80℃下热处理1-2小时,在170-180℃下脱水,得基料;
(2)将B组份加入到上述基料中,搅拌均匀,涂覆于帆布(1)外表面,固化成型,固化成型温度为200-210℃。
与现有技术相比,本发明具有如下显著的进步:
1)本发明的耐高温浸胶帆布在纬向采用维纶线绳,能保证在与输送带和传动带复合使用时,承受到负载作用后不容易发生变形、跑长,这增加了带体的结构强度和使用寿命;经向的尼龙66和腈纶线绳,可以使得胶带有较好的成槽性,同时对使用环境有较大的适应能力;
2)表面包覆的浸胶层使得帆布与橡胶的粘接强度提高,这大大增加了帆布对带体的保护效果,还提高了耐磨性、耐腐蚀性、耐高温性及抗拉性,保证了带体在高强度、高温的场合下长久使用。
前述的耐高温浸胶帆布中,所述浸胶层由改性硅橡胶涂覆固化形成。硅橡胶优良的耐低温和耐高温性能,进一步保证了本发明的耐高温浸胶帆布能承受更高的温度,能在-45~180℃的温度范围内长期使用。
前述的耐高温浸胶帆布中,所述帆布是斜纹织物。此时,帆布的随形性和浸润性好,能保证与浸胶的结合牢固度。加上表面平滑和表面浸胶面积大,也减少了帆布出现褶皱、折痕的现象,保证了使用的长久性。
前述的浸胶层,其采用了改性硅橡胶作为涂覆料,该涂覆料以液体硅橡胶为主料,还引入了硅溶胶、聚己内酰胺等共混复合,在制备基料的过程中,将端乙烯基聚二甲基硅氧烷与氨基硅烷改性的单体共混再聚合,实现了端乙烯基聚二甲基硅氧烷与氨基硅烷改性的聚合物有效复合,之后与含有少量水的硅溶胶共混分散,通过脱水干燥,不仅形成了稳定的硅溶胶,且通过羧基与胺的反应,改善了硅溶胶、聚己内酰胺在液体橡胶间的分散性能,提高了乳液的均匀性、力学稳定性强度,本发明的改性硅橡胶经过固化后的涂层稳定性高,力学强度高,还具有聚己内酰胺优良的韧性、回弹性和耐热稳定性,综合性能优越。
附图说明
图1是本发明的耐高温浸胶帆布的结构示意图;
图2是本发明的帆布的结构示意图;
附图中的标记为:1-帆布,11-经线,111-第一经线;112-第二经线;12-纬线;2-浸胶层。
具体实施方式
下面结合附图和实施例对本发明作进一步的说明,但并不作为对本发明限制的依据。
实施例1
耐高温浸胶帆布,如图1、2所示,它由帆布1和包覆于帆布1外表面的浸胶层2构成;所述帆布1由经线11和纬线12相互垂直交织而成;所述经线11分为第一经线111和第二经线112;所述第一经线111和所述第二经线112交替设置;所述第一经线111由两股尼龙66线绳呈螺旋状交捻而成,所述尼龙66线绳的规格为180D;所述第二经线112由两股腈纶线绳呈螺旋状交捻而成,所述腈纶线绳的规格为110D;所述纬线12由三股维纶线绳呈螺旋状交捻而成,所述维纶线绳的规格为235D。
所述浸胶层2由改性硅橡胶固化成型。
所述帆布1是斜纹织物。
所述改性硅橡胶包括了重量比为4:1:2的A、B、C三组份。
所述A组份是由下述重量份的原料组成的:端乙烯基聚二甲基硅氧烷60、己内酰胺10、过氧化二异丙苯0.2、硅烷偶联剂Kh550 1;
所述A组份的制备方法为:
(1)取过氧化二异丙苯,加入到其重量20倍的无水乙醇中,搅拌均匀,得引发剂溶液;
(2)取硅烷偶联剂Kh550、己内酰胺混合,送入行星搅拌机中,搅拌均匀,出料,送入反应釜中,通入氮气,调节反应釜温度为180℃,加入端乙烯基聚二甲基硅氧烷、引发剂溶液,保温搅拌40分钟,出料冷却,得A组份。
所述B组份为重量比为80:1的含氢硅油、铂催化剂混合组成。
所述C组份是由下述重量份的原料组成的:正硅酸乙酯70、膨润土30、硬脂酸7、对甲基苯磺酸0.8、sp-80 2;
所述C组份的制备方法为:
(1)取硬脂酸,加热熔化,加入膨润土,充分球磨,得磨料;
(2)取正硅酸乙酯、对甲基苯磺酸混合,加入到混合料重量15倍的去离子水中,加入磨料、sp-80,搅拌3小时,浓缩至水含量为10%,即得C组份。
所述改性硅橡胶固化成型的步骤为:
(1)取A、C组份混合,在75℃下热处理1小时,在170-180℃下脱水,得基料;
(2)将B组份加入到上述基料中,搅拌均匀,涂覆于帆布1外表面,在为200℃下固化成型。
实施例2
耐高温浸胶帆布,如图1、2所示,它由帆布1和包覆于帆布1外表面的浸胶层2构成;所述帆布1由经线11和纬线12相互垂直交织而成;所述经线11分为第一经线111和第二经线112;所述第一经线111和所述第二经线112交替设置;所述第一经线111由两股尼龙66线绳呈螺旋状交捻而成,所述尼龙66线绳的规格为210D;所述第二经线112由两股腈纶线绳呈螺旋状交捻而成,所述腈纶线绳的规格为135D;所述纬线12由三股维纶线绳呈螺旋状交捻而成,所述维纶线绳的规格为275D。
所述浸胶层2由改性硅橡胶固化成型。
所述帆布1是斜纹织物。
所述改性硅橡胶包括了重量比为6:1:3的A、B、C三组份。
所述A组份是由下述重量份的原料组成的:端乙烯基聚二甲基硅氧烷70、己内酰胺16、过氧化二异丙苯0.3、硅烷偶联剂Kh550 2;
所述A组份的制备方法为:
(1)取过氧化二异丙苯,加入到其重量30倍的无水乙醇中,搅拌均匀,得引发剂溶液;
(2)取硅烷偶联剂Kh550、己内酰胺混合,送入行星搅拌机中,搅拌均匀,出料,送入反应釜中,通入氮气,调节反应釜温度为210℃,加入端乙烯基聚二甲基硅氧烷、引发剂溶液,保温搅拌50分钟,出料冷却,得A组份。
所述B组份为重量比为90:1的含氢硅油、铂催化剂混合组成。
所述C组份是由下述重量份的原料组成的:正硅酸乙酯100、膨润土40、硬脂酸10、对甲基苯磺酸1、sp-80 3;
所述C组份的制备方法为:
(1)取硬脂酸,加热熔化,加入膨润土,充分球磨,得磨料;
(2)取正硅酸乙酯、对甲基苯磺酸混合,加入到混合料重量20倍的去离子水中,加入磨料、sp-80,搅拌5小时,浓缩至水含量为15%,即得C组份。
所述改性硅橡胶固化成型的步骤为:
(1)取A、C组份混合,在80℃下热处理1-2小时,在180℃下脱水,得基料;
(2)将B组份加入到上述基料中,搅拌均匀,涂覆于帆布1外表面,在为210℃下固化成型。
实施例3
耐高温浸胶帆布,如图1、2所示,它由帆布1和包覆于帆布1外表面的浸胶层2构成;所述帆布1由经线11和纬线12相互垂直交织而成;所述经线11分为第一经线111和第二经线112;所述第一经线111和所述第二经线112交替设置;所述第一经线111由两股尼龙66线绳呈螺旋状交捻而成,所述尼龙66线绳的规格为200D;所述第二经线112由两股腈纶线绳呈螺旋状交捻而成,所述腈纶线绳的规格为120D;所述纬线12由三股维纶线绳呈螺旋状交捻而成,所述维纶线绳的规格为250D。
所述浸胶层2由改性硅橡胶固化成型。
所述帆布1是斜纹织物。
所述改性硅橡胶包括了重量比为5:1:2的A、B、C三组份。
所述A组份是由下述重量份的原料组成的:端乙烯基聚二甲基硅氧烷65、己内酰胺12、过氧化二异丙苯0.24、硅烷偶联剂Kh550 1;
所述A组份的制备方法为:
(1)取过氧化二异丙苯,加入到其重量24倍的无水乙醇中,搅拌均匀,得引发剂溶液;
(2)取硅烷偶联剂Kh550、己内酰胺混合,送入行星搅拌机中,搅拌均匀,出料,送入反应釜中,通入氮气,调节反应釜温度为200℃,加入端乙烯基聚二甲基硅氧烷、引发剂溶液,保温搅拌43分钟,出料冷却,得A组份。
所述B组份为重量比为84:1的含氢硅油、铂催化剂混合组成。
所述C组份是由下述重量份的原料组成的:正硅酸乙酯90、膨润土34、硬脂酸9、对甲基苯磺酸0.8、sp-80 3;
所述C组份的制备方法为:
(1)取硬脂酸,加热熔化,加入膨润土,充分球磨,得磨料;
(2)取正硅酸乙酯、对甲基苯磺酸混合,加入到混合料重量18倍的去离子水中,加入磨料、sp-80,搅拌4小时,浓缩至水含量为13%,即得C组份。
所述改性硅橡胶固化成型的步骤为:
(1)取A、C组份混合,在77℃下热处理1小时,在175℃下脱水,得基料;
(2)将B组份加入到上述基料中,搅拌均匀,涂覆于帆布1外表面,在为205℃下固化成型。
以下是按照GB/T 31334.1—2015进行粘合强度测试的结果:
上述对本申请中涉及的发明的一般性描述和对其具体实施例的描述不应理解为是对该发明技术方案构成的限制。本领域所属技术人员根据本申请的公开,可以在不违背所涉及的发明构成要素的前提下,对上述一般性描述或/和实施例中的公开技术特征进行增加、减少或组合,形成属于本申请保护范围之内的其它的技术方案。
Claims (10)
1.耐高温浸胶帆布,其特征在于:它由帆布(1)和包覆于帆布(1)外表面的浸胶层(2)构成;所述帆布(1)由经线(11)和纬线(12)相互垂直交织而成;所述经线(11)分为第一经线(111)和第二经线(112);所述第一经线(111)和所述第二经线(112)交替设置;所述第一经线(111)由两股尼龙66线绳呈螺旋状交捻而成,所述尼龙66线绳的规格为180~210D;所述第二经线(112)由两股腈纶线绳呈螺旋状交捻而成,所述腈纶线绳的规格为110~135D;所述纬线(12)由三股维纶线绳呈螺旋状交捻而成,所述维纶线绳的规格为235~275D。
2.根据权利要求1所述的耐高温浸胶帆布,其特征在于:所述浸胶层(2)由改性硅橡胶固化成型。
3.根据权利要求2所述的耐高温浸胶帆布,其特征在于:所述帆布(1)是斜纹织物。
4.根据权利要求3所述的耐高温浸胶帆布,其特征在于:所述尼龙66线绳的规格为190D;所述腈纶线绳的规格为120D;所述维纶线绳的规格为255D。
5.根据权利要求2所述的耐高温浸胶帆布,其特征在于:所述改性硅橡胶包括了重量比为4-6:1:2-3的A、B、C三组份。
6.根据权利要求5所述的耐高温浸胶帆布,其特征在于:所述A组份是由下述重量份的原料组成的:
端乙烯基聚二甲基硅氧烷60-70、己内酰胺10-16、过氧化二异丙苯0.2-0.3、硅烷偶联剂Kh550 1-2;
所述A组份的制备方法为:
(1)取过氧化二异丙苯,加入到其重量20-30倍的无水乙醇中,搅拌均匀,得引发剂溶液;
(2)取硅烷偶联剂Kh550、己内酰胺混合,送入行星搅拌机中,搅拌均匀,出料,送入反应釜中,通入氮气,调节反应釜温度为180-210℃,加入端乙烯基聚二甲基硅氧烷、引发剂溶液,保温搅拌40-50分钟,出料冷却,得A组份。
7.根据权利要求5所述的耐高温浸胶帆布,其特征在于:所述B组份为重量比为80-90:1的含氢硅油、铂催化剂混合组成。
8.根据权利要求5所述的耐高温浸胶帆布,其特征在于:所述C组份是由下述重量份的原料组成的:
正硅酸乙酯70-100、膨润土30-40、硬脂酸7-10、对甲基苯磺酸0.8-1、sp-80 2-3;
所述C组份的制备方法为:
(1)取硬脂酸,加热熔化,加入膨润土,充分球磨,得磨料;
(2)取正硅酸乙酯、对甲基苯磺酸混合,加入到混合料重量15-20倍的去离子水中,加入磨料、sp-80,搅拌3-5小时,浓缩至水含量为10-15%,即得C组份。
9.根据权利要求5所述的耐高温浸胶帆布,其特征在于,所述改性硅橡胶固化成型的步骤为:
(1)取A、C组份混合,在75-80℃下热处理1-2小时,在170-180℃下脱水,得基料;
(2)将B组份加入到上述基料中,搅拌均匀,涂覆于帆布(1)外表面,固化成型。
10.根据权利要求9所述的耐高温浸胶帆布,其特征在于,步骤(2)中所述的固化成型温度为200-210℃。
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