CN114133510A - B1级阻燃连续板用组合聚醚、聚氨酯材料及其制备方法 - Google Patents
B1级阻燃连续板用组合聚醚、聚氨酯材料及其制备方法 Download PDFInfo
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Abstract
本发明涉及聚氨酯技术领域，具体涉及一种B1级阻燃连续板用组合聚醚、聚氨酯材料及其制备方法。所述组合聚醚包含以下质量份数的组分：聚酯多元醇80‑100份，阻燃聚醚多元醇0‑20份，发泡催化剂0.1‑4份，凝胶发泡剂0.3‑4份，三聚催化剂0.3‑4份，泡沫稳定剂2‑8份，改性红磷阻燃剂5‑40份，液体阻燃剂10‑30份，发泡剂5‑30份，水0.5‑1份。本发明的组合聚醚，使戊烷发泡体系达到了B1级阻燃效果适用于B1级阻燃连续板生产；本发明还提供其聚氨酯材料，阻燃效果好，力学性能优异。
Description
技术领域
本发明涉及聚氨酯技术领域，具体涉及一种B1级阻燃连续板用组合聚醚、聚氨酯材料及其制备方法。
背景技术
聚氨酯作为一种优异的保温材料，受到建筑行业的青睐。在发达国家，聚氨酯硬质泡沫在建筑行业应用比例已经大大高于在其他行业的应用。由于它优异的物性及其特殊的加工应用特性，已经使得人们对他在建筑节能中的应用被寄予厚望。国外用于提高聚氨酯硬泡保温板性能主要是添加含氯、溴磷等元素的阻燃剂，例如TCPP、TEP、TCEP等，但是材料性能持久性差，尤其是戊烷类发泡剂，仅仅添加此类阻燃剂材料很难达到B1级阻燃。
发明内容
本发明要解决的技术问题是：提供一种B1级阻燃连续板用组合聚醚，使戊烷发泡体系达到了B1级阻燃效果，适用于B1级阻燃连续板生产；本发明还提供其聚氨酯材料，阻燃效果好，力学性能优异；本发明还提供其制备方法。
本发明所述的B1级阻燃连续板用组合聚醚，包含以下质量份数的组分：
聚酯多元醇和阻燃聚醚多元醇的质量份数之和为100份。
聚酯多元醇的官能度为2，羟值为260-350mgKOH/g；优选为AK7004、AK4003、PS2352、PS3158、PS2412中的至少一种，其中AK7004、AK4003购于韩国爱敬，PS2352、PS3158、PS2412购于金陵斯泰潘。
阻燃聚醚多元醇的官能度为2，羟值为160-180mgKOH/g；优选为DonolFR-912，购于上海东大化学有限公司。
所述催化剂为本领域常规使用的催化剂，较佳地，所述发泡催化剂为PC5或A-1，所述凝胶催化剂为PC8或A33，所述三聚催化剂为K15或TMR-2。
所述改性红磷阻燃剂优选科莱恩生产的RP 6520。
所述液体阻燃剂为TCPP、TEP、TCEP中的一种或多种，均购于江苏雅克科技股份有限公司。
所述泡沫稳定剂为B8545、B84813、B8872中的一种或两种组合，购于美思德。
所述物理发泡剂为正戊烷、异戊烷或环戊烷。
所述水较佳地为去离子水。
本发明所述的B1级阻燃连续板用组合聚醚的制备方法，将组合聚醚的各组分按其重量份数在常温下搅拌，混合均匀即得。
本发明所述的B1级阻燃连续板用聚氨酯材料，由上述组合聚醚和异氰酸酯按质量比1:(1.4-2.0)混合得到。
所述的异氰酸酯可为本领域常规使用的异氰酸酯，较佳地为多苯基多亚甲基多异氰酸酯(PAPI)，购于德国拜耳公司。
本发明所述的B1级阻燃连续板用聚氨酯材料的制备方法，包括以下步骤：将所述组合聚醚使用高压发泡机与PAPI进行混合，然后通过布料头喷到钢板上，经过50-60℃烘道压模，即得到用于B1级阻燃连续板的聚氨酯材料。
与现有技术相比，本发明的有益效果如下：
(1)本发明在组合聚醚中加入微胶红磷，与液体阻燃剂协同阻燃，其阻燃效果好，同时增强了聚氨酯材料的力学性能；
(2)本发明的组合聚醚，通过调节阻燃聚酯多元醇和阻燃剂的用量，配合常规液体阻燃剂的使用，可以获得B1级阻燃戊烷发泡聚氨酯连续硬泡板材，同时配合有效的催化剂，通过连续发泡工艺，可用于连续生产B1级阻燃保温板。
具体实施方式
以下结合实施例对本发明进行进一步说明，如无特别说明，涉及到原料用量的均采用质量份数。
实施例中所用到的原料如下：
聚酯多元醇AK7004、AK4003，购于韩国爱敬。
聚酯多元醇PS2352、PS3158、PS2412，购于金陵斯泰潘。
阻燃聚醚多元醇DonolFR-912，购于上海东大化学有限公司。
催化剂PC5、PC8、K15，购于气体化工产品(中国)投资有限公司。
液体阻燃剂TCPP、TEP、TCEP，购于江苏雅克科技股份有限公司。
泡沫稳定剂B8545、B84813、B8872，购于美思德。
PAPI，购于德国拜耳公司。
改性红磷阻燃剂，购买于科莱恩，型号RP6520。
实施例1
(1)制备组合聚醚：
将聚酯多元醇PS2412(80份)、阻燃聚醚多元醇DonolFR-912(20份)、置于反应釜中，依次加入催化剂PC-5(0.5份)、PC-8(0.5份)、K15(2份)、硅油B8545(3份)、去离子水(1.5份)、改性红磷阻燃剂(20份)，TCPP(20份)、TEP(20份)，正戊烷(15份)搅拌均匀即得。
(2)制备聚氨酯材料：
按质量比100：180取上述组合聚醚与PAPI使用通过高压发泡机进行注料，然后通过布料头喷到钢板上，经过60℃烘道压模，即得到用于B1级阻燃连续板的聚氨酯材料。
实施例2
(1)制备组合聚醚：
将聚酯多元醇AK7004(80份)、阻燃聚醚多元醇DonolFR-912(20份)置于反应釜中，依次加入催化剂PC-5(0.4份)、PC-8(0.6份)、K15(1.5份)、硅油B8545(3份)、去离子水(1.3份)、改性红磷阻燃剂(25份)、TCPP(40份)、正戊烷(17份)，搅拌均匀即得。
(2)制备聚氨酯材料：
按质量比100：180取上述组合聚醚与PAPI使用通过高压发泡机进行注料，然后通过布料头喷到钢板上，经过50℃烘道压模，即得到用于B1级阻燃连续板的聚氨酯材料。
实施例3
(1)制备组合聚醚：
将聚酯多元醇AK4003(80份)、阻燃聚醚多元醇DonolFR-912(20份)置于反应釜中，依次加入催化剂PC-5(0.5份)、PC-8(0.7份)、K15(1.5份)、硅油B8545(3份)、去离子水(1.5份)、改性红磷阻燃剂(20份)、TEP(40份)、正戊烷(15份)，搅拌均匀即得。
(2)制备聚氨酯材料：
按质量比100：180取上述组合聚醚与PAPI使用通过高压发泡机进行注料，然后通过布料头喷到钢板上，经过60℃烘道压模，即得到用于B1级阻燃连续板的聚氨酯材料。
实施例4
(1)制备组合聚醚：
将聚酯多元醇PS3158(80份)、阻燃聚醚多元醇DonolFR-912(20份)置于反应釜中，依次加入催化剂PC-5(0.5份)、PC-8(0.5份)、K15(2份)、硅油B8545(3份)、去离子水(1.5份)、改性红磷阻燃剂(20份)、TCPP(20份)、TEP(20份)、正戊烷(15份)，搅拌均匀即得。
(2)制备聚氨酯材料：
按质量比100：180取上述组合聚醚与PAPI使用通过高压发泡机进行注料，然后通过布料头喷到钢板上，经过60℃烘道压模，即得到用于B1级阻燃连续板的聚氨酯材料。
对比例1
(1)制备组合聚醚：
将聚酯多元醇PS3158(80份)、阻燃聚醚多元醇DonolFR-912(20份)置于反应釜中，依次加入催化剂PC-5(0.5份)、PC-8(0.5份)、K15(2份)、硅油B8545(3份)、去离子水(1.5份)、TCPP(20份)、TEP(20份)、正戊烷(15份)，搅拌均匀即得。
(2)制备聚氨酯材料：
按质量比100：180取上述组合聚醚与PAPI使用通过高压发泡机进行注料，然后通过布料头喷到钢板上，经过60℃烘道压模，即得到用于B1级阻燃连续板的聚氨酯材料。
对比例2
(1)制备组合聚醚：
将聚酯多元醇PS3158(80份)、阻燃聚醚多元醇DonolFR-912(20份)置于反应釜中，依次加入催化剂PC-5(0.5份)、PC-8(0.5份)、K15(2份)、硅油B8545(3份)、去离子水(1.5份)、TCPP(20份)、TEP(20份)、正戊烷(15份)，搅拌均匀即得。
(2)制备聚氨酯材料：
按质量比100：180取上述组合聚醚与PAPI使用通过高压发泡机进行注料，然后通过布料头喷到钢板上，经过60℃烘道压模，即得到用于B1级阻燃连续板的聚氨酯材料。
对实施例和对比例制得的产品进行效果测试，其中泡沫密度参照GB6343-1995进行测试；压缩强度参照GB8813-2008进行测试；尺寸稳定性参照GB8811-2008进行测试；导热系数参照GB10294-2008进行测试；氧指数参照GB-T21558-2008进行测试。测试结果如表1所示。
表1
Claims (10)
1.一种B1级阻燃连续板用组合聚醚，其特征在于：包含以下质量份数的组分：
聚酯多元醇和阻燃聚醚多元醇的质量份数之和为100份；
聚酯多元醇的官能度为2，羟值为260-350mgKOH/g；
阻燃聚醚多元醇的官能度为2，羟值为160-180mgKOH/g。
2.根据权利要求要求1所述的B1级阻燃连续板用组合聚醚，其特征在于：聚酯多元醇为AK7004、AK4003、PS2352、PS3158、PS2412中的至少一种。
3.根据权利要求要求1所述的B1级阻燃连续板用组合聚醚，其特征在于：阻燃聚醚多元醇为DonolFR-912。
4.根据权利要求要求1所述的B1级阻燃连续板用组合聚醚，其特征在于：发泡催化剂为PC5或A-1，凝胶催化剂为PC8或A33，三聚催化剂为K15或TMR-2。
5.根据权利要求要求1所述的B1级阻燃连续板用组合聚醚，其特征在于：液体阻燃剂为TCPP、TEP、TCEP中的一种或多种。
6.根据权利要求要求1所述的B1级阻燃连续板用组合聚醚，其特征在于：泡沫稳定剂为B8545、B84813、B8872中的一种或两种组合。
7.根据权利要求要求1所述的B1级阻燃连续板用组合聚醚，其特征在于：物理发泡剂为正戊烷、异戊烷、环戊烷中的一种或多种。
8.一种权利要求要求1-7任一项所述的B1级阻燃连续板用组合聚醚的制备方法，其特征在于：将组合聚醚的各组分混合均匀即得。
9.一种B1级阻燃连续板用聚氨酯材料，其特征在于：由权利要求1-7任一项所述的组合聚醚和异氰酸酯按质量比1:(1.4-2.0)混合得到。
10.一种权利要求9所述的B1级阻燃连续板用聚氨酯材料的制备方法，其特征在于：将所述组合聚醚使用高压发泡机与PAPI进行混合，然后通过布料头喷到钢板上，经过50-60℃烘道压模，即得到用于B1级阻燃连续板的聚氨酯材料。
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