CN108976773A - 一种无卤阻燃聚氨酯泡沫塑料 - Google Patents

一种无卤阻燃聚氨酯泡沫塑料 Download PDF

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CN108976773A
CN108976773A CN201810572572.5A CN201810572572A CN108976773A CN 108976773 A CN108976773 A CN 108976773A CN 201810572572 A CN201810572572 A CN 201810572572A CN 108976773 A CN108976773 A CN 108976773A
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徐春华
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Suzhou New District Huashida Engineering Plastic Co Ltd
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Abstract

本发明公开了一种无卤阻燃聚氨酯泡沫塑料，按重量份计，由如下物质组成：甲苯二异氰酸酯40‑60份，氨基硅氧烷10‑30份，聚醚二胺10‑20份，聚四氢呋喃10‑20份，银浆5‑10份，碳酸钙2‑5份。本发明的无卤阻燃聚氨酯泡沫塑料在产品中添加了由聚二甲基硅氧烷分散的铝粉，在聚氨酯塑料的制备过程中将铝粉均匀的融入聚氨酯骨架中，当发生起火时，温度超过铝粉的熔点后，铝粉融化但不会发生燃烧，利于阻燃，因而使得本发明的聚氨酯泡沫塑料具有良好的阻燃性能，此外，配方中添加了微米级碳酸钙，进一步提高了聚氨酯泡沫塑料的阻燃能力。

Description

一种无卤阻燃聚氨酯泡沫塑料
技术领域
本发明涉及塑料领域，特别是涉及一种无卤阻燃聚氨酯泡沫塑料。
背景技术
聚氨酯泡沫塑料凭借质轻，绝缘性好，吸音性能优越等特点被广泛应用于建筑材料，防震材料，吸引材料等。但是，聚氨酯泡沫塑料因其多孔性能而造成了其极易燃烧，给使用者的安全带来极大隐患。因此，改善聚氨酯泡沫塑料的阻燃性能一直是这一行业的难题。许多阻燃剂为含卤阻燃剂，在添加了含卤阻燃剂的聚氨酯泡沫塑料在发生火灾时容易因为毒气的释放而造成二次伤害。因此，开发出一款无卤阻燃的聚氨酯泡沫塑料具有重要意义。
发明内容
本发明主要解决的技术问题是聚氨酯泡沫塑料易于燃烧给人类健康和财产安全带来隐患，而含卤的阻燃成分也在燃烧时会对人体造成二次伤害的问题。
为解决上述技术问题，本发明采用的一个技术方案是：本发明提供了一种无卤阻燃聚氨酯泡沫塑料，按重量份计，由如下物质组成：甲苯二异氰酸酯 40-60份，氨基硅氧烷10-30份，聚醚二胺 10-20份，聚四氢呋喃 10-20份，银浆5-10份，碳酸钙 2-5份。
较佳的，所述银浆为铝银浆。
较佳的，所述铝银浆由粒径为50-100微米的铝粉和聚二甲基硅氧烷制备而成。
较佳的，所述铝银浆中铝粉的含量不小于40%。
较佳的，所述碳酸钙为微米级碳酸钙。
较佳的，所述碳酸钙的粒度为10-80微米。
本发明的有益效果是：本发明的无卤阻燃聚氨酯泡沫塑料在产品中添加了由聚二甲基硅氧烷分散的铝粉，在聚氨酯塑料的制备过程中将铝粉均匀的融入聚氨酯骨架中，当发生起火时，温度超过铝粉的熔点后，铝粉融化但不会发生燃烧，利于阻燃，因而使得本发明的聚氨酯泡沫塑料具有良好的阻燃性能，此外，配方中添加了微米级碳酸钙，进一步提高了聚氨酯泡沫塑料的阻燃能力。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明的一部分实施例，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它实施例，都属于本发明保护的范围。
本发明的无卤阻燃聚氨酯泡沫塑料，按重量份计，由如下物质组成：甲苯二异氰酸酯 40-60份，氨基硅氧烷10-30份，聚醚二胺 10-20份，聚四氢呋喃 10-20份，银浆5-10份，碳酸钙 2-5份。
进一步的，所述银浆为铝银浆。
进一步的，所述铝银浆由粒径为50-100微米的铝粉和聚二甲基硅氧烷制备而成。
进一步的，所述铝银浆中铝粉的含量不小于40%。
进一步的，在本发明中选用的微米级的碳酸钙。
进一步的，所述碳酸钙的粒度为10-80微米。
本发明的无卤阻燃聚氨酯泡沫塑料的阻燃性能通过测定氧指数和烟密度等级进行衡量，氧指数的测定方法参照GB8924，烟密度等级的测定方法按照GB 8627进行。
为进一步说明本发明的内容，现列举实施例如表1所示：
表1 实施例1-3配方成分表及性能评估结果
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书内容所作的等效结构或等效流程变换，或直接或间接运用在其它相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (6)

1.一种无卤阻燃聚氨酯泡沫塑料，按重量份计，由如下物质组成：
甲苯二异氰酸酯 40-60份，
氨基硅氧烷10-30份，
聚醚二胺 10-20份，
聚四氢呋喃 10-20份，
银浆5-10份，
碳酸钙 2-5份。
2.根据权利要求1所述的无卤阻燃聚氨酯泡沫塑料，其特征在于，所述银浆为铝银浆。
3.根据权利要求2所述的无卤阻燃聚氨酯泡沫塑料，其特征在于，所述铝银浆由粒径为50-100微米的铝粉和聚二甲基硅氧烷制备而成。
4.根据权利要求3所述的无卤阻燃聚氨酯泡沫塑料，其特征在于，所述铝银浆中铝粉的含量不小于40%。
5.根据权利要求1所述的无卤阻燃聚氨酯泡沫塑料，其特征在于，所述碳酸钙为微米级碳酸钙。
6.根据权利要求3所述的无卤阻燃聚氨酯泡沫塑料，其特征在于，所述碳酸钙的粒度为10-80微米。
CN201810572572.5A 2018-06-06 2018-06-06 一种无卤阻燃聚氨酯泡沫塑料 Withdrawn CN108976773A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110951237A (zh) * 2019-12-09 2020-04-03 西安鼎蓝通信技术有限公司 一种音响用降噪材料的制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110951237A (zh) * 2019-12-09 2020-04-03 西安鼎蓝通信技术有限公司 一种音响用降噪材料的制备方法

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Application publication date: 20181211