CN104927016A - 一种防静电阻燃抗紫外线聚氨酯包装材料及其制备方法 - Google Patents

一种防静电阻燃抗紫外线聚氨酯包装材料及其制备方法 Download PDF

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CN104927016A
CN104927016A CN201510285421.8A CN201510285421A CN104927016A CN 104927016 A CN104927016 A CN 104927016A CN 201510285421 A CN201510285421 A CN 201510285421A CN 104927016 A CN104927016 A CN 104927016A
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杨峰
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Abstract

本发明公开了一种防静电阻燃抗紫外线聚氨酯包装材料，由下述重量份的原料制成：异氰酸酯100-120、聚醚多元醇90、聚酯多元醇10-15、泡沫稳定剂1.1-2、硅油0.7-0.9、水1-2.5、环戊烷4-8、紫外线吸收剂2-6、抗氧化剂0.5-2、导电纤维1-5、氮系阻燃剂2-6、三乙烯二胺（33%水溶液）0.08-0.15、辛酸亚锡0.1-0.4。本发明添加紫外线吸收剂UVP-327，能强烈吸收波长为270～380纳米的紫外线，化学稳定性好，挥发性极小，具有优良的耐热升华性，耐洗涤性、耐气体褪色性和机械性能保持性，同时与抗氧化剂并用为显著的协同效应，能显著改善包装材料的热氧稳定性；使用的碳纤维添加量少，具有永久抗静电性能，通过添加氮系阻燃剂，使本发明具有良好的阻燃性能。

Description

一种防静电阻燃抗紫外线聚氨酯包装材料及其制备方法
技术领域
    本发明涉及包装材料领域，具体是一种防静电阻燃抗紫外线聚氨酯包装材料及其制作方法。
背景技术
仪器、设备、电子产品、电动工具等在运输过程中，为防止其发生损坏，往往需要使 用既具有足够高的强度和刚性，同时还具有缓冲作用的包装材料。较常用的包装材料有金 属、纸张、发泡聚苯乙烯塑料、聚氨酯塑料等，但这些传统的包装材料存在着或这或那的缺点，比如，金属包装材料虽然具有高强度，能保护仪器设备免受外力的破坏，但如果仪器、设备自身和其相撞，由于其缺乏缓冲韧性，同样会对仪器、设备造成破坏；纸质包装、发泡聚苯乙烯塑料包装及传统聚氨酯塑料包装虽然具有一定的缓冲韧性，但强度较低，刚性欠佳，换句话说，这些包装防撞效果较好，但防挤压效果欠佳，另外，纸质包装将浪费大量的纸张，而纸张的制作原料主要是木材，所以，过多使用纸质包装自然导致大量木材被砍伐，不利于环境保护和水土保持；而发泡聚苯乙烯塑料中使用的聚苯乙烯在使用过程中往往会有单体苯乙烯析出，对人体健康不利，抛弃后易产生白色污染。
然而聚氨酯包装材料还存在以下问题：一是长期在紫外线光照会引起的氧化反应，使得薄膜使用寿命短、包装内物品保质时间短，甚至过早出现变质；二是聚氨酯包装材料在搬运等摩擦过程中会产生静电，限制了其应用范围；三是不具有阻燃性。
发明内容
本发明的目的在于提供一种防静电阻燃抗紫外线聚氨酯包装材料及其制作方法，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：
一种防静电阻燃抗紫外线聚氨酯包装材料，由下述重量份的原料制成：
异氰酸酯100-120、聚醚多元醇90、聚酯多元醇10-15、泡沫稳定剂1.1-2、硅油0.7-0.9、水1-2.5、环戊烷4-8、紫外线吸收剂 2-6、抗氧化剂 0.5-2、导电纤维1-5、氮系阻燃剂2-6、三乙烯二胺（33%水溶液）0.08-0.15、辛酸亚锡0.1-0.4。
优选地，所述的聚酯多元醇羟值为360-480mgKOH/g 的芳香族聚酯多元醇，由苯酐与二元醇聚合得到。
优选地，所述的聚醚多元醇羟值为360-400mgKOH/g 的聚醚多元醇。
优选地，所述泡沫稳定剂为磺化的蓖麻醇钠盐。
优选地，所述紫外线吸收剂为紫外线吸收剂UVP-327。
优选地，所述抗氧化剂为抗氧化剂168。
优选地，所述导电纤维为碳纤维。
优选地，所述氮系阻燃剂为三聚氰胺磷酸盐。
所述的一种防静电阻燃抗紫外线聚氨酯包装材料的制备方法，包括如下步骤：
(1)、按配方量称取各原料 ；
(2)、将聚醚多元醇、聚酯多元醇、泡沫稳定剂、硅油、水、环戊烷、紫外线吸收剂、抗氧化剂、导电纤维、氮系阻燃剂、三乙烯二胺（33%水溶液）及辛酸亚锡置于机械搅拌釜内搅拌15-30min，制备成白料组合料；
(3)、利用发泡机器抽取白料组合料和异氰酸酯，在 50-70℃下将两者混合自由发泡，制成一种防静电阻燃抗紫外线聚氨酯包装材料。
与现有技术相比，本发明的有益效果是：
1.本发明添加紫外线吸收剂UVP-327，能强烈吸收波长为270～380纳米的紫外线，化学稳定性好，挥发性极小，具有优良的耐热升华性，耐洗涤性、耐气体褪色性和机械性能保持性，同时与抗氧化剂并用为显著的协同效应，能显著改善包装材料的热氧稳定性；
2.本发明使用的碳纤维添加量少，具有永久抗静电性能，通过添加氮系阻燃剂，使本发明具有良好的阻燃性能；
3.生产制造方便，传统的聚氨酯发泡生产工艺无需改进即可用于其生产及加工，生产过程中机械化程度较高，所需劳动力较少，生产成本低；
4.本发明与金属包装材料相比，缓冲抗冲击性能好，质感佳，重量轻，运输方便，成本低；和纸质包装材料相比，防水性能好，不虫蛀，支撑强度高，无需砍伐大量的树木，有利于水土保持和环境保护；和发泡聚苯乙烯塑料相比，强度更高，不易变形，不会释放有毒气体苯乙烯。
具体实施方式
下面结合具体实施例对本发明作进一步的说明。
实施例1
本发明一种防静电阻燃抗紫外线聚氨酯包装材料，由下述重量份的原料制成：
异氰酸酯100、聚醚多元醇90、聚酯多元醇10、泡沫稳定剂1.1、硅油0.7、水1、环戊烷4、紫外线吸收剂 2、抗氧化剂 0.5、导电纤维1、氮系阻燃剂2、三乙烯二胺（33%水溶液）0.08、辛酸亚锡0.1。
所述的聚酯多元醇羟值为360-480mgKOH/g 的芳香族聚酯多元醇， 由苯酐与二元醇聚合得到。
所述的聚醚多元醇羟值为360-400mgKOH/g 的聚醚多元醇。
所述泡沫稳定剂为磺化的蓖麻醇钠盐，所述紫外线吸收剂为紫外线吸收剂UVP-327，所述抗氧化剂为抗氧化剂168、所述导电纤维为碳纤维、所述氮系阻燃剂为三聚氰胺磷酸盐。
所述的一种防静电阻燃抗紫外线聚氨酯包装材料的制备方法，包括如下步骤：
(1)、按配方量称取各原料 ；
(2)、将聚醚多元醇、聚酯多元醇、泡沫稳定剂、硅油、水、环戊烷、紫外线吸收剂、抗氧化剂、导电纤维、氮系阻燃剂、三乙烯二胺（33%水溶液）及辛酸亚锡置于机械搅拌釜内搅拌15-30min，制备成白料组合料；
(3)、利用发泡机器抽取白料组合料和异氰酸酯，在 50-70℃下将两者混合自由发泡，制成一种防静电阻燃抗紫外线聚氨酯包装材料。
以下实施例与实施例1的区别在于，
实施例2
异氰酸酯120、聚醚多元醇90、聚酯多元醇15、泡沫稳定剂2、硅油0.9、水2.5、环戊烷8、紫外线吸收剂 4、抗氧化剂 1.2、导电纤维5、氮系阻燃剂5、三乙烯二胺（33%水溶液）0.15、辛酸亚锡0.4。
实施例3
异氰酸酯110、聚醚多元醇90、聚酯多元醇12、泡沫稳定剂1.6、硅油0.8、水1.8、环戊烷5.5、紫外线吸收剂 6、抗氧化剂2、导电纤维3、氮系阻燃剂3.5、三乙烯二胺（33%水溶液）0.11、辛酸亚锡0.3。

Claims (9)

1. 一种防静电阻燃抗紫外线聚氨酯包装材料，其特征在于，由下述重量份的原料制成：
    异氰酸酯100-120、聚醚多元醇90、聚酯多元醇10-15、泡沫稳定剂1.1-2、硅油0.7-0.9、水1-2.5、环戊烷4-8、紫外线吸收剂 2-6、抗氧化剂 0.5-2、导电纤维1-5、氮系阻燃剂2-6、三乙烯二胺（33%水溶液）0.08-0.15、辛酸亚锡0.1-0.4。
2.根据权利要求1所述的一种防静电阻燃抗紫外线聚氨酯包装材料，其特征在于，所述的聚酯多元醇羟值为360-480mgKOH/g 的芳香族聚酯多元醇，由苯酐与二元醇聚合得到。
3.根据权利要求1所述的一种防静电阻燃抗紫外线聚氨酯包装材料，其特征在于，所述的聚醚多元醇羟值为360-400mgKOH/g 的聚醚多元醇。
4.根据权利要求1所述的一种防静电阻燃抗紫外线聚氨酯包装材料，其特征在于，所述泡沫稳定剂为磺化的蓖麻醇钠盐。
5.根据权利要求1所述的一种防静电阻燃抗紫外线聚氨酯包装材料，其特征在于，所述紫外线吸收剂为紫外线吸收剂UVP-327。
6.根据权利要求1所述的一种防静电阻燃抗紫外线聚氨酯包装材料，其特征在于，所述抗氧化剂为抗氧化剂168。
7.根据权利要求1所述的一种防静电阻燃抗紫外线聚氨酯包装材料，其特征在于，所述导电纤维为碳纤维。
8.根据权利要求1所述的一种防静电阻燃抗紫外线聚氨酯包装材料，其特征在于，所述氮系阻燃剂为三聚氰胺磷酸盐。
9.根据权利要求1所述的一种防静电阻燃抗紫外线聚氨酯包装材料的制备方法，包括如下步骤：
(1)、按配方量称取各原料 ；
    (2)、将聚醚多元醇、聚酯多元醇、泡沫稳定剂、硅油、水、环戊烷、紫外线吸收剂、抗氧化剂、导电纤维、氮系阻燃剂、三乙烯二胺（33%水溶液）及辛酸亚锡置于机械搅拌釜内搅拌15-30min，制备成白料组合料；
    (3)、利用发泡机器抽取白料组合料和异氰酸酯，在 50-70℃下将两者混合自由发泡，制成一种防静电阻燃抗紫外线聚氨酯包装材料。
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