CN103483532A - 一种改性聚氨酯泡沫塑料 - Google Patents

一种改性聚氨酯泡沫塑料 Download PDF

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CN103483532A
CN103483532A CN201310432981.2A CN201310432981A CN103483532A CN 103483532 A CN103483532 A CN 103483532A CN 201310432981 A CN201310432981 A CN 201310432981A CN 103483532 A CN103483532 A CN 103483532A
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任友卫
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ANHUI JIFENG ENERGY SAVING MATERIAL Co Ltd
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Abstract

本发明公开了一种改性聚氨酯泡沫塑料,由下列重量份的A、B料混合、浇注、反应、熟化制成:A料:聚醚多元醇100、树木灰烬2-3、2-乙基-4甲基咪唑1-2、玉石粉3-4、水4-5、疏水性气相二氧化硅8-9、交联剂TAC3.0-3.5、纳米二氧化硅13-15、N,N-二乙基二乙烯基三胺1-2 一缩二丙二醇3-4、丙三醇2-3、甘油三酸酯3-4、N-甲基吡咯烷酮2-3、钼酸铵2-3、改性凹凸棒土6-8;B料:甲基磷酸二甲酯30-35。本发明添加改性凹凸棒土,不仅具有吸附作用,而且是一种很好的物理阻燃剂,具有优异的阻燃作用;玉石粉、纳米二氧化硅能够增强泡沫材料的强度,且具有隔热、保温、隔音的作用。

Description

一种改性聚氨酯泡沫塑料
技术领域
本发明涉及一种泡沫,特别是一种改性聚氨酯泡沫塑料。
背景技术
聚氨酯泡沫塑料是异氰酸酯和羟基化合物经聚合发泡制成,按其硬度可分为软质和硬质两类,其中软质为主要品种。一般来说,它具有极佳的弹性、柔软性、伸长率和压缩强度;化学稳定性好,耐许多溶剂和油类;耐磨性优良,较天然海绵大20倍;还有优良的加工性、绝热性、粘合性等性能,是一种性能优良的缓冲材料,但价格较高。聚氨酯泡沫塑料一般只用于高档精密仪器、贵重器械、高档工艺品等的缓冲包装或衬垫缓冲材料,也可制成精致的、保护性极好的包装容器;还可采用现场发泡对物品进行缓冲包装。
为了降低噪音对我们日常生活的影响,在建筑物中,采取的措施主要是隔声和吸声。隔声就是将声源隔离,防止声源产生的噪声向室内传播。在马路两旁种树,对两侧住宅就可以起到隔声作用。在建筑物中将多层密实材料用多孔材料分隔而做成的夹层结构,也会起到很好的隔声效果。为消除噪声,常用的吸声材料主要是多孔吸声材料,如玻璃棉、矿棉、膨胀珍珠岩、穿孔吸声板等。材料的吸声性能决定于它的粗糙性、柔性、多孔性等因素。泡沫塑料也叫多孔塑料,以树脂为主要原料制成的内部具有无数微孔的塑料,具有质轻、绝热、防震、耐腐蚀的作用,广泛用做包装材料及制车船壳体等。
凹凸棒土是含水富镁硅酸盐晶体矿物,具有独特的层链状结构、不同寻常的胶体性能和强大的吸附能力;另外,凹凸棒土具有众多平行于棒晶方向的纳米级沸石孔道,因而具有相当大的内表面积;同时其晶体颗粒非常小,外表面积也很大。凹凸棒土的吸附作用分为物理吸附及化学吸附。天然的凹凸棒石黏土包含一些矿物杂质,如蒙脱石、高岭石、碳酸盐、少量微粒石英和长石,可能堵塞孔道,降低表面积,削弱了整体的物化性能,从而使凹凸棒石黏土的胶体性、吸附性等在工业使用中受到很大的影响。活化改性的方法可以除去天然凹凸棒石黏土的杂质,增加比表面积,提高其吸附和离子交换性能,使凹凸棒石黏土广泛地应用于吸附、脱色、胶体泥浆、催化剂及载体等领域。凹凸棒土中含有沸石水和结晶水,当泡沫塑料燃烧时释放出来的水可以降低泡沫塑料的温度,从而起到一定的阻燃作用;另外,凹凸棒土中含有Mg、Si元素,燃烧时生成的氧化物覆盖在泡沫塑料表面隔绝氧气,从而达到阻燃的目的。
发明内容
本发明的目的是提供一种阻燃、隔热、隔音的改性聚氨酯泡沫塑料。
为了实现本发明的目的,本发明通过以下方案实施:
一种改性聚氨酯泡沫塑料,由下列重量份的A、B料混合、浇注、反应、熟化制成:
A料:聚醚多元醇 100、树木灰烬2-3、2-乙基-4甲基咪唑1-2、玉石粉3-4、水4-5、疏水性气相二氧化硅8-9、交联剂 TAC3.0-3.5、纳米二氧化硅13-15、N,N-二乙基二乙烯基三胺1-2、一缩二丙二醇3-4、丙三醇2-3、甘油三酸酯3-4、N-甲基吡咯烷酮2-3、钼酸铵2-3、改性凹凸棒土6-8;
B料:甲基磷酸二甲酯30-35。
所述改性凹凸棒土通过以下方法制备:称取下列重量份的原料:凹凸棒土150-155、玉石3-4、玫瑰精油1-2、秸秆灰烬50-55、硅烷偶联剂KH550 1-2、碳酸氢钠2-3、季戊四醇三丙烯酸酯2-3、甘油三醋酸酯1-2、交联剂 TAC1-2、氢氧化铝3-4;制备方法是将凹凸棒土、玉石放入煅烧炉中,在610-630℃下煅烧3-4小时,取出,与秸秆灰烬、碳酸氢钠混合,研磨至得到300-400目粉末,然后,再加入季戊四醇三丙烯酸酯、氢氧化铝、硅烷偶联剂KH550混合,继续研磨30-45分钟,至充分分散,再加入其它剩余成分,继续研磨30-45分钟后,在1500-1800转/分下搅拌15-30分钟,即得改性凹凸棒土。
本发明所述改性聚氨酯泡沫塑料,由以下具体步骤制备而成:
将A料各原料混合,在常温下研磨20-30分钟,得到浆料;再将B料加入A料中,200-300转/分搅拌30-45秒;浇注到模具中自由发泡,获得模坯;然后,连同模具一起将模坯送入隧道式烘箱中,分段升温:40-45℃下,反应15-25分钟;再在55-65℃下,反应10-15分钟;再在75-85℃下,反应5-10分钟;最后在90-100℃下熟化5-7小时。
本发明添加改性凹凸棒土,不仅具有吸附作用,而且是一种很好的物理阻燃剂,具有优异的阻燃作用;玉石粉、纳米二氧化硅能够增强泡沫材料的强度,且具有隔热、保温、隔音的作用。
具体实施方案
下面通过具体实例对本发明进行详细说明。
一种改性聚氨酯泡沫塑料,由下列重量份的A、B料混合、浇注、反应、熟化制成:
A料:各原料重量份为(重量份为公斤):聚醚多元醇 100、树木灰烬2、2-乙基-4甲基咪唑1、玉石粉3、水4、疏水性气相二氧化硅8、交联剂 TAC3.0、纳米二氧化硅13、N,N-二乙基二乙烯基三胺1、一缩二丙二醇3、丙三醇2、甘油三酸酯3、N-甲基吡咯烷酮2、钼酸铵2、改性凹凸棒土6;
B料:各原料重量份为(重量份为公斤):甲基磷酸二甲酯30。
所述改性凹凸棒土通过以下方法制备:称取下列重量份(公斤)的原料:凹凸棒土150、玉石3、玫瑰精油1、秸秆灰烬50、硅烷偶联剂KH550 1、碳酸氢钠2、季戊四醇三丙烯酸酯2、甘油三醋酸酯1、交联剂 TAC1、氢氧化铝3;制备方法是将凹凸棒土、玉石放入煅烧炉中,在610-630℃下煅烧3-4小时,取出,与秸秆灰烬、碳酸氢钠混合,研磨至得到300-400目粉末,然后,再加入季戊四醇三丙烯酸酯、氢氧化铝、硅烷偶联剂KH550混合,继续研磨30-45分钟,至充分分散,再加入其它剩余成分,继续研磨30-45分钟后,在1500-1800转/分下搅拌15-30分钟,即得改性凹凸棒土。
本发明所述改性聚氨酯泡沫塑料,由以下具体步骤制备而成:
将A料各原料混合,在常温下研磨20-30分钟,得到浆料;再将B料加入A料中,200-300转/分搅拌30-45秒;浇注到模具中自由发泡,获得模坯;然后,连同模具一起将模坯送入隧道式烘箱中,分段升温:40-45℃下,反应15-25分钟;再在55-65℃下,反应10-15分钟;再在75-85℃下,反应5-10分钟;最后在90-100℃下熟化5-7小时。
所得的材料各功能参数如下: 压缩强度(MPa): 0.24,氧指数:28,导热系数(W/mK):0.033。

Claims (1)

1.一种改性聚氨酯泡沫塑料,其特征在于由下列重量份的A、B料混合、浇注、反应、熟化制成:
A料:聚醚多元醇 100、树木灰烬2-3、2-乙基-4甲基咪唑1-2、玉石粉3-4、水4-5、疏水性气相二氧化硅8-9、交联剂 TAC3.0-3.5、纳米二氧化硅13-15、N,N-二乙基二乙烯基三胺1-2、一缩二丙二醇3-4、丙三醇2-3、甘油三酸酯3-4、N-甲基吡咯烷酮2-3、钼酸铵2-3、改性凹凸棒土6-8;
B料:甲基磷酸二甲酯30-35;
所述改性凹凸棒土通过以下方法制备:称取下列重量份的原料:凹凸棒土150-155、玉石3-4、玫瑰精油1-2、秸秆灰烬50-55、硅烷偶联剂KH550 1-2、碳酸氢钠2-3、季戊四醇三丙烯酸酯2-3、甘油三醋酸酯1-2、交联剂 TAC1-2、氢氧化铝3-4;制备方法是将凹凸棒土、玉石放入煅烧炉中,在610-630℃下煅烧3-4小时,取出,与秸秆灰烬、碳酸氢钠混合,研磨至得到300-400目粉末,然后,再加入季戊四醇三丙烯酸酯、氢氧化铝、硅烷偶联剂KH550混合,继续研磨30-45分钟,至充分分散,再加入其它剩余成分,继续研磨30-45分钟后,在1500-1800转/分下搅拌15-30分钟,即得改性凹凸棒土。
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110003415A (zh) * 2019-04-18 2019-07-12 华北电力大学(保定) 一种用于复合绝缘横担的内芯填充材料及其制备方法
CN111807502A (zh) * 2019-04-12 2020-10-23 深圳市深港产学研环保工程技术股份有限公司 制备复合改性聚氨酯泡沫微生物固定化载体的方法
CN113244892A (zh) * 2020-02-13 2021-08-13 河北工业大学 超疏水/亲油性生物炭泡沫及其制备方法和应用
CN116323736A (zh) * 2020-10-01 2023-06-23 卡博特公司 柔性聚氨酯泡沫以及其配制物

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111807502A (zh) * 2019-04-12 2020-10-23 深圳市深港产学研环保工程技术股份有限公司 制备复合改性聚氨酯泡沫微生物固定化载体的方法
CN110003415A (zh) * 2019-04-18 2019-07-12 华北电力大学(保定) 一种用于复合绝缘横担的内芯填充材料及其制备方法
CN110003415B (zh) * 2019-04-18 2022-02-18 华北电力大学(保定) 一种用于复合绝缘横担的内芯填充材料及其制备方法
CN113244892A (zh) * 2020-02-13 2021-08-13 河北工业大学 超疏水/亲油性生物炭泡沫及其制备方法和应用
CN116323736A (zh) * 2020-10-01 2023-06-23 卡博特公司 柔性聚氨酯泡沫以及其配制物

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