CN108625187A - 一种红外分光光度计光栅生产抛光用阻尼布的制备方法 - Google Patents

一种红外分光光度计光栅生产抛光用阻尼布的制备方法 Download PDF

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CN108625187A
CN108625187A CN201810373433.XA CN201810373433A CN108625187A CN 108625187 A CN108625187 A CN 108625187A CN 201810373433 A CN201810373433 A CN 201810373433A CN 108625187 A CN108625187 A CN 108625187A
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李加海
谭鸿
梁则兵
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Anhui Hechen New Material Co Ltd
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Abstract

本发明涉及阻尼布制备技术领域,具体涉及一种红外分光光度计光栅生产抛光用阻尼布的制备方法,其步骤如下:配置聚氨酯混合浆料、浸水、烫平、涂覆、凝固、充分水、烘干定型、收卷、磨皮和分离等;本发明的制备过程中聚氨酯混合浆料的原料组分合理,加入的纳米二氧化钛和山梨醇,纳米二氧化钛能对阻尼布表面进行改性,既能吸收紫外线,又能反射、散射紫外线,因此提高了阻尼布的耐高温性和抗老化性能;山梨醇能与聚合物链上的官能团反应而使分子链扩展、分子量增大,能促使聚氨酯树脂成形,从而制成阻尼布的定伸应力和耐磨性有了很大的改善;另外,纳米二氧化钛具有良好的分散性,从而能与山梨醇相互配合提高阻尼布的力学性能。

Description

一种红外分光光度计光栅生产抛光用阻尼布的制备方法
技术领域
本发明涉及阻尼布制备技术领域,具体涉及一种红外分光光度计光栅生产抛光用阻尼布的制备方法。
背景技术
红外分光光度计是由光源发出的光,被分为能量均等对称的两束,一束为样品光通过样品,另一束为参考光作为基准。这两束光通过样品室进入光度计后,被扇形镜以一定的频率所调制,形成交变信号,然后两束光和为一束,并交替通过入射狭缝进入单色器中,经离轴抛物镜将光束平行地投射在光栅上,色散并通过出射狭缝之后,被滤光片滤除高级次光谱,再经椭球镜聚焦在探测器的接收面上。探测器将上述交变的信号转换为相应的电信号,经放大器进行电压放大后,转入A/D转换单位,计算机处理后得到从高波数到低波数的红外吸收光谱图。通常光栅在生产过程中会使用专用的阻尼布进行抛光打磨,因此阻尼布的特性会直接影响光栅的特性。
现有技术的红外分光光度计光栅生产抛光用阻尼布依旧存在很多不足之处,首先,阻尼布抗老化性能和耐磨性差,使用周期短;其次,阻尼布尼布表面不够平整、光滑、均匀,内部气泡率高,品质差。
发明内容
(一)解决的技术问题
针对现有技术的不足,本发明的制备过程中聚氨酯混合浆料的原料组分合理,加入的纳米二氧化钛和山梨醇,纳米二氧化钛能对阻尼布表面进行改性,纳米二氧化钛不仅具有很高的化学稳定性和热稳定性,既能吸收紫外线,又能反射、散射紫外线,因此提高了阻尼布的耐高温性和抗老化性能;山梨醇能与聚合物链上的官能团反应而使分子链扩展、分子量增大,能促使聚氨酯树脂成形,从而制成阻尼布的定伸应力和耐磨性有了很大的改善;另外,纳米二氧化钛具有良好的分散性,能在聚氨酯混合浆料搅拌、涂覆和凝固过程中的气泡率,从而能与山梨醇相互配合提高阻尼布的力学性能;本发明引入的流平剂由聚二甲基硅氧烷和异丙醇混合而成,聚二甲基硅氧烷和异丙醇相互配合能降低聚氨酯混合浆料的表面张力,提高其流平性和均匀性,从而制成的阻尼布表面平整、光滑、均匀。
(二)技术方案
为实现以上目的,本发明通过以下技术方案予以实现:
一种红外分光光度计光栅生产抛光用阻尼布的制备方法,包括以下步骤:
a、在容器中先加入DMF溶剂和填充料,并用搅拌机充分搅拌10min,再加入聚氨酯树脂、助剂、流平剂和色浆,再用真空脱泡机脱泡50min,最后用过滤网进行过滤,得到聚氨酯混合浆料;
b、基布开卷,经储布架浸入浸水槽,浸水槽中除清水外,还应加入1%的阴离子表面活性剂,然后用挤压辊把基布中的水分挤干,经烫平轮将基布烫半干;
c、然后经过处理的基布,通过涂料台,采用涂刀涂覆法把浆料混合液均匀地涂覆在基布上,再进入凝固槽的凝固液中进行凝固;
d、聚氨酯混合浆料在完全凝固后,再经过水洗槽内进行充分水洗,最后经过烘干定型、收卷、磨皮和分离工序即可得到红外分光光度计光栅生产抛光用阻尼布。
优先的,所述步骤a中聚氨酯混合浆料由以下重量份的原料制得:聚氨酯树脂100-120份、DMF溶剂60-80份、填充料15-30份、助剂2-4份、流平剂1.2-1.5分和色浆15-20份。
优先的,所述步骤a中聚氨酯混合浆料由以下重量份的原料制得:聚氨酯树脂110份、DMF溶剂70份、填充料20份、助剂3份、流平剂1.4分和色浆17份。
优先的,所述步骤a中填充料为木质纤维素,助剂由纳米二氧化钛和山梨醇按照质量比2:3混合而成,流平剂由聚二甲基硅氧烷和异丙醇按照质量比1:1.2混合而成。
优先的,所述步骤a中过滤网的标准目数为50-90目。
优先的,所述步骤c中涂覆时要求聚氨酯混合浆料的粘度控制在5000-8000Pa.s,凝固槽中凝固液的DMF含量为10-30%。
(三)有益效果
1、本发明的制备过程中聚氨酯混合浆料的原料组分合理,加入的纳米二氧化钛和山梨醇,纳米二氧化钛能对阻尼布表面进行改性,纳米二氧化钛不仅具有很高的化学稳定性和热稳定性,既能吸收紫外线,又能反射、散射紫外线,因此提高了阻尼布的耐高温性和抗老化性能;山梨醇能与聚合物链上的官能团反应而使分子链扩展、分子量增大,能促使聚氨酯树脂成形,从而制成阻尼布的定伸应力和耐磨性有了很大的改善;另外,纳米二氧化钛具有良好的分散性,能在聚氨酯混合浆料搅拌、涂覆和凝固过程中的气泡率,从而能与山梨醇相互配合提高阻尼布的力学性能。
2、本发明引入的流平剂由聚二甲基硅氧烷和异丙醇混合而成,聚二甲基硅氧烷和异丙醇相互配合能降低聚氨酯混合浆料的表面张力,提高其流平性和均匀性,从而制成的阻尼布表面平整、光滑、均匀。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例,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作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:
一种红外分光光度计光栅生产抛光用阻尼布的制备方法,包括以下步骤:
a、在容器中先加入DMF溶剂和填充料,并用搅拌机充分搅拌10min,再加入聚氨酯树脂、助剂、流平剂和色浆,再用真空脱泡机脱泡50min,最后用过滤网进行过滤,得到聚氨酯混合浆料;
b、基布开卷,经储布架浸入浸水槽,浸水槽中除清水外,还应加入1%的阴离子表面活性剂,然后用挤压辊把基布中的水分挤干,经烫平轮将基布烫半干;
c、然后经过处理的基布,通过涂料台,采用涂刀涂覆法把浆料混合液均匀地涂覆在基布上,再进入凝固槽的凝固液中进行凝固;
d、聚氨酯混合浆料在完全凝固后,再经过水洗槽内进行充分水洗,最后经过烘干定型、收卷、磨皮和分离工序即可得到红外分光光度计光栅生产抛光用阻尼布。
所述步骤a中聚氨酯混合浆料由以下重量份的原料制得:聚氨酯树脂100份、DMF溶剂60份、填充料15份、助剂2份、流平剂1.5分和色浆15份。
实施例2:
一种红外分光光度计光栅生产抛光用阻尼布的制备方法,包括以下步骤:
a、在容器中先加入DMF溶剂和填充料,并用搅拌机充分搅拌10min,再加入聚氨酯树脂、助剂、流平剂和色浆,再用真空脱泡机脱泡50min,最后用过滤网进行过滤,得到聚氨酯混合浆料;
b、基布开卷,经储布架浸入浸水槽,浸水槽中除清水外,还应加入1%的阴离子表面活性剂,然后用挤压辊把基布中的水分挤干,经烫平轮将基布烫半干;
c、然后经过处理的基布,通过涂料台,采用涂刀涂覆法把浆料混合液均匀地涂覆在基布上,再进入凝固槽的凝固液中进行凝固;
d、聚氨酯混合浆料在完全凝固后,再经过水洗槽内进行充分水洗,最后经过烘干定型、收卷、磨皮和分离工序即可得到红外分光光度计光栅生产抛光用阻尼布。
所述步骤a中聚氨酯混合浆料由以下重量份的原料制得:聚氨酯树脂105份、DMF溶剂60份、填充料18份、助剂2.5份、流平剂1.3分和色浆17份。
实施例3:
一种红外分光光度计光栅生产抛光用阻尼布的制备方法,包括以下步骤:
a、在容器中先加入DMF溶剂和填充料,并用搅拌机充分搅拌10min,再加入聚氨酯树脂、助剂、流平剂和色浆,再用真空脱泡机脱泡50min,最后用过滤网进行过滤,得到聚氨酯混合浆料;
b、基布开卷,经储布架浸入浸水槽,浸水槽中除清水外,还应加入1%的阴离子表面活性剂,然后用挤压辊把基布中的水分挤干,经烫平轮将基布烫半干;
c、然后经过处理的基布,通过涂料台,采用涂刀涂覆法把浆料混合液均匀地涂覆在基布上,再进入凝固槽的凝固液中进行凝固;
d、聚氨酯混合浆料在完全凝固后,再经过水洗槽内进行充分水洗,最后经过烘干定型、收卷、磨皮和分离工序即可得到红外分光光度计光栅生产抛光用阻尼布。
所述步骤a中聚氨酯混合浆料由以下重量份的原料制得:聚氨酯树脂110份、DMF溶剂65份、填充料25份、助剂4份、流平剂1.4分和色浆16份。
实施例4:
一种红外分光光度计光栅生产抛光用阻尼布的制备方法,包括以下步骤:
a、在容器中先加入DMF溶剂和填充料,并用搅拌机充分搅拌10min,再加入聚氨酯树脂、助剂、流平剂和色浆,再用真空脱泡机脱泡50min,最后用过滤网进行过滤,得到聚氨酯混合浆料;
b、基布开卷,经储布架浸入浸水槽,浸水槽中除清水外,还应加入1%的阴离子表面活性剂,然后用挤压辊把基布中的水分挤干,经烫平轮将基布烫半干;
c、然后经过处理的基布,通过涂料台,采用涂刀涂覆法把浆料混合液均匀地涂覆在基布上,再进入凝固槽的凝固液中进行凝固;
d、聚氨酯混合浆料在完全凝固后,再经过水洗槽内进行充分水洗,最后经过烘干定型、收卷、磨皮和分离工序即可得到红外分光光度计光栅生产抛光用阻尼布。
所述步骤a中聚氨酯混合浆料由以下重量份的原料制得:聚氨酯树脂115份、DMF溶剂75份、填充料22份、助剂3份、流平剂1.7分和色浆19份。
实施例5:
一种红外分光光度计光栅生产抛光用阻尼布的制备方法,包括以下步骤:
a、在容器中先加入DMF溶剂和填充料,并用搅拌机充分搅拌10min,再加入聚氨酯树脂、助剂、流平剂和色浆,再用真空脱泡机脱泡50min,最后用过滤网进行过滤,得到聚氨酯混合浆料;
b、基布开卷,经储布架浸入浸水槽,浸水槽中除清水外,还应加入1%的阴离子表面活性剂,然后用挤压辊把基布中的水分挤干,经烫平轮将基布烫半干;
c、然后经过处理的基布,通过涂料台,采用涂刀涂覆法把浆料混合液均匀地涂覆在基布上,再进入凝固槽的凝固液中进行凝固;
d、聚氨酯混合浆料在完全凝固后,再经过水洗槽内进行充分水洗,最后经过烘干定型、收卷、磨皮和分离工序即可得到红外分光光度计光栅生产抛光用阻尼布。
所述步骤a中聚氨酯混合浆料由以下重量份的原料制得:聚氨酯树脂120份、DMF溶剂80份、填充料27份、助剂4份、流平剂1.4分和色浆19份。
实施例6:
一种红外分光光度计光栅生产抛光用阻尼布的制备方法,包括以下步骤:
a、在容器中先加入DMF溶剂和填充料,并用搅拌机充分搅拌10min,再加入聚氨酯树脂、助剂、流平剂和色浆,再用真空脱泡机脱泡50min,最后用过滤网进行过滤,得到聚氨酯混合浆料;
b、基布开卷,经储布架浸入浸水槽,浸水槽中除清水外,还应加入1%的阴离子表面活性剂,然后用挤压辊把基布中的水分挤干,经烫平轮将基布烫半干;
c、然后经过处理的基布,通过涂料台,采用涂刀涂覆法把浆料混合液均匀地涂覆在基布上,再进入凝固槽的凝固液中进行凝固;
d、聚氨酯混合浆料在完全凝固后,再经过水洗槽内进行充分水洗,最后经过烘干定型、收卷、磨皮和分离工序即可得到红外分光光度计光栅生产抛光用阻尼布。
所述步骤a中聚氨酯混合浆料由以下重量份的原料制得聚氨酯树脂110份、DMF溶剂70份、填充料20份、助剂3份、流平剂1.4分和色浆17份。
本发明选用常用的光栅生产抛光用阻尼布做为对照组,将实施例1-6制得的产品作为实验组,在相同条件下,得到各项性能数据如表1所示:
表1
由表1的结果可知,本发明实施例的1-6的阻尼布抗老化性能、定伸应力和耐磨性均得到提高,本实施例6的阻尼布的抗老化性能、定伸应力和耐磨性性能提高的最为明显。
需要说明的是,在本文中,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
以上实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (6)

1.一种红外分光光度计光栅生产抛光用阻尼布的制备方法,其特征在于,包括以下步骤:
a、在容器中先加入DMF溶剂和填充料,并用搅拌机充分搅拌10min,再加入聚氨酯树脂、助剂、流平剂和色浆,再用真空脱泡机脱泡50min,最后用过滤网进行过滤,得到聚氨酯混合浆料;
b、基布开卷,经储布架浸入浸水槽,浸水槽中除清水外,还应加入1%的阴离子表面活性剂,然后用挤压辊把基布中的水分挤干,经烫平轮将基布烫半干;
c、然后经过处理的基布,通过涂料台,采用涂刀涂覆法把浆料混合液均匀地涂覆在基布上,再进入凝固槽的凝固液中进行凝固;
d、聚氨酯混合浆料在完全凝固后,再经过水洗槽内进行充分水洗,最后经过烘干定型、收卷、磨皮和分离工序即可得到红外分光光度计光栅生产抛光用阻尼布。
2.如权利要求1所述的一种红外分光光度计光栅生产抛光用阻尼布的制备方法,其特征在于,所述步骤a中聚氨酯混合浆料由以下重量份的原料制得:聚氨酯树脂100-120份、DMF溶剂60-80份、填充料15-30份、助剂2-4份、流平剂1.2-1.5分和色浆15-20份。
3.如权利要求1所述的一种红外分光光度计光栅生产抛光用阻尼布的制备方法,其特征在于,所述步骤a中聚氨酯混合浆料由以下重量份的原料制得:聚氨酯树脂110份、DMF溶剂70份、填充料20份、助剂3份、流平剂1.4分和色浆17份。
4.如权利要求1所述的一种红外分光光度计光栅生产抛光用阻尼布的制备方法,其特征在于,所述步骤a中填充料为木质纤维素,助剂由纳米二氧化钛和山梨醇按照质量比2:3混合而成,流平剂由聚二甲基硅氧烷和异丙醇按照质量比1:1.2混合而成。
5.如权利要求1所述的一种红外分光光度计光栅生产抛光用阻尼布的制备方法,其特征在于:所述步骤a中过滤网的标准目数为50-90目。
6.如权利要求1所述的一种红外分光光度计光栅生产抛光用阻尼布的制备方法,其特征在于:所述步骤c中涂覆时要求聚氨酯混合浆料的粘度控制在5000-8000Pa.s,凝固槽中凝固液的DMF含量为10-30%。
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