CN115028951A - 一种pu用高效复合助剂 - Google Patents

一种pu用高效复合助剂 Download PDF

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CN115028951A
CN115028951A CN202210681348.6A CN202210681348A CN115028951A CN 115028951 A CN115028951 A CN 115028951A CN 202210681348 A CN202210681348 A CN 202210681348A CN 115028951 A CN115028951 A CN 115028951A
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molecular weight
resin
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weight resin
composite additive
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胡光杰
张振飞
张何华
陈浩壮
戚宴彪
王继勇
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Puyang Zhongyuan Petrochemical Industrial Co ltd
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Abstract

本发明提供了一种PU用高效复合助剂，包括SiO2 27.40‑27.60%、α‑Al2O3 18.25‑18.40%、CuO 6.50‑6.70%、ZnO 5.32‑5.38%、MgO4.60‑4.70%、Fe2O34.25‑4.29%、TiO2 1.15‑1.20%、K2O0.10‑0.15%，23‑26%小分子量树脂、10‑17%大分子量树脂；所述小分子量树脂的数均分子量为5000‑10000，所述大分子量树脂的数均分子量为30‑100万。该PU用高效复合助剂采用SiO2、Al2O3等无机组分起到阻燃抑菌效果，更加安全无污染，另外添加小分子量树脂和大分子量树脂，两种树脂和无机组分先球磨，再熔融挤出造粒，树脂熔融包覆于无机粉末表面，使得树脂和无机组分混合的更加均匀；同时，小分子量树脂采用含氟树脂，避免小分子树脂影响聚氨酯的阻燃和耐水性能。

Description

一种PU用高效复合助剂
技术领域
本发明涉及了一种助剂，具体的说，涉及了一种PU用高效复合助剂。
背景技术
聚氨酯（PU）是一种新型高分子材料，由黑料已氰酸酯和白料组合聚醚混合发泡而成。聚氨酯从种类上分为硬泡、半硬泡、软泡。硬泡产品主要用于保温、隔热、防水、防腐等方面，具体使用行业有外墙、冷库、化工厂、养殖场、太阳能行业等；半硬泡及软泡产品主要用于汽车、鞋厂、玩具厂等行业。为了改善聚氨酯的性能，聚氨酯产品制备过程中通常需要采用填充剂、阻燃剂、脱模剂、热稳定剂、光稳定剂、水解稳定剂、防霉剂等多种不同的助剂。为了保证防火性能，阻燃剂在聚氨酯中的应用越来越广泛，但是，很多阻燃剂中含有氯/溴基团容易造成环境污染。
为了解决以上存在的问题，人们一直在寻求一种理想的技术解决方案。
发明内容
本发明的目的是针对现有技术的不足，从而提供一种PU用高效复合助剂。
为了实现上述目的，本发明所采用的技术方案是：
一种PU用高效复合助剂，以质量分数计，包括SiO2 27.40-27.60份、α-Al2O318.25-18.40份、CuO 6.50-6.70份、ZnO 5.32-5.38份、MgO4.60-4.70份、Fe2O34.25-4.29份、TiO2 1.15-1.20份、K2O0.10-0.15份、小分子量树脂21-25份、大分子量树脂9-17份；所述小分子量树脂的数均分子量为5000-10000，所述大分子量树脂的数均分子量为30-100万。
基于上述，所述小分子量树脂为聚含氟丙烯酰胺树脂、含氟环氧树脂或含氟聚苯醚；所述大分子量树脂为聚丙烯树脂、酚醛树脂
基于上述，所述大分子量树脂的分子量分布指数为1.1-1.3；所述小分子量树脂的分子量分布指数为2-3。
基于上述，SiO2、α-Al2O3、CuO、ZnO、MgO、Fe2O3、TiO2和K2O为固体粉末，粒径为50-80 nm，球形度为0.6-1。
基于上述，在先将SiO2、α-Al2O3、CuO、ZnO、MgO、Fe2O3、TiO2和K2O进行球磨，混合均匀，得到第一混合粉末；然后在20-30℃、N2气氛条件下，将第一混合粉末和小分子量树脂、大分子量树脂进行球磨，混合均匀，得到半成品，然后熔融挤出造粒，粉碎，即得。
基于上述，挤出采用双螺杆挤出机，熔融温度为100-300℃。
本发明相对现有技术具有突出的实质性特点和显著进步，具体的说，本发明提供的PU用高效复合助剂采用SiO2、Al2O3等无机组分起到阻燃抑菌效果，更加安全无污染，另外添加小分子量树脂和大分子量树脂，两种树脂和无机组分先球磨，再熔融挤出造粒，树脂熔融包覆于无机粉末表面，使得树脂和无机组分混合的更加均匀；同时，小分子量树脂采用含氟树脂，避免小分子树脂影响聚氨酯的阻燃和耐水性能。
具体实施方式
下面通过具体实施方式，对本发明的技术方案做进一步的详细描述。
实施例1
一种PU用高效复合助剂，以质量分数计，包括SiO2 27.40份、α-Al2O3 18.25份、CuO 6.50份、ZnO 5.32份、MgO4.60份、Fe2O34.25份、TiO2 1.15份、K2O0.10份、小分子量树脂21份、大分子量树脂9份；所述小分子量树脂的数均分子量为5000，所述大分子量树脂的数均分子量为30万。所述小分子量树脂为聚含氟丙烯酰胺树脂，分子量分布指数为2；所述大分子量树脂为聚丙烯树脂，分子量分布指数为1.3。
SiO2、α-Al2O3、CuO、ZnO、MgO、Fe2O3、TiO2和K2O的平均粒径为72 nm，球形度为0.7。
在先将SiO2、α-Al2O3、CuO、ZnO、MgO、Fe2O3、TiO2和K2O进行球磨，混合均匀，得到第一混合粉末；然后在20-30℃、N2气氛条件下，将第一混合粉末和小分子量树脂、大分子量树脂进行球磨，混合均匀，得到半成品，然后熔融挤出造粒，粉碎，即得。
挤出采用双螺杆挤出机，熔融温度为100-300℃，螺杆转速为100-300 r/min。
实施例2
一种PU用高效复合助剂，以质量分数计，包括SiO2 27.60份、α-Al2O3 18.40份、CuO 6.70份、ZnO 5.38份、MgO 4.70份、Fe2O34.29份、TiO2 1.20份、K2O -0.15份、小分子量树脂25份、大分子量树脂17份；所述小分子量树脂的数均分子量为10000，所述大分子量树脂的数均分子量为100万。
所述小分子量树脂为含氟环氧树脂，分子量分布指数为1.3；所述大分子量树脂为酚醛树脂，分子量分布指数为3。
SiO2、α-Al2O3、CuO、ZnO、MgO、Fe2O3、TiO2和K2O的平均粒径为64 nm，球形度为0.7。
在先将SiO2、α-Al2O3、CuO、ZnO、MgO、Fe2O3、TiO2和K2O进行球磨，混合均匀，得到第一混合粉末；然后在20-30℃、N2气氛条件下，将第一混合粉末和小分子量树脂、大分子量树脂进行球磨，混合均匀，得到半成品，然后熔融挤出造粒，粉碎，即得。
挤出采用双螺杆挤出机，熔融温度为100-300℃。
实施例3
一种PU用高效复合助剂，以质量分数计，包括SiO2 27.5份、α-Al2O3 18.30份、CuO6.55份、ZnO 5.36份、MgO4.63份、Fe2O34.27份、TiO2 1.16份、K2O0.12份、小分子量树脂23份、大分子量树脂11份；所述小分子量树脂的数均分子量为9000，所述大分子量树脂的数均分子量为60万。
所述小分子量树脂为含氟聚苯醚，分子量分布指数为1.2；所述大分子量树脂为聚丙烯树脂，分子量分布指数为2.5。
SiO2、α-Al2O3、CuO、ZnO、MgO、Fe2O3、TiO2和K2O为固体粉末，粒径为50-80 nm，球形度为0.6-1。
在先将SiO2、α-Al2O3、CuO、ZnO、MgO、Fe2O3、TiO2和K2O进行球磨，混合均匀，得到第一混合粉末；然后在20-30℃、N2气氛条件下，将第一混合粉末和小分子量树脂、大分子量树脂进行球磨，混合均匀，得到半成品，然后熔融挤出造粒，粉碎，即得。
挤出采用双螺杆挤出机，熔融温度为100-300℃。
使用方法：按照中国专利201911251879.6实施例1进行对比实验，一种聚氨酯阻燃泡沫材料，按照质量份数包括以下原料：聚醚多元醇40份、三聚氰胺聚醚15份、苯酐聚酯二元醇40份、聚醚四元醇5份、泡沫稳定剂德美8805 3份、发泡剂HFC-245fa 12份、三乙醇胺8份、PU用高效复合助剂15份、水2.2份、五甲基环己胺2.5份、N-环己胺1.5份、三聚催化剂2.5份、三乙烯二胺0.4份、多亚甲基多苯基异氰酸酯1.25份，将上述原料进行搅拌后平摊倒在垫有塑料薄膜的台面上，泡沫熟化24小时以后测定物理性能如下：发泡聚氨酯密度为221.7kg/m3 ，压缩强度为552 kpa，极限氧指数LOI为30.2。
最后应当说明的是：以上实施例仅用以说明本发明的技术方案而非对其限制；尽管参照较佳实施例对本发明进行了详细的说明，所属领域的普通技术人员应当理解：依然可以对本发明的具体实施方式进行修改或者对部分技术特征进行等同替换；而不脱离本发明技术方案的精神，其均应涵盖在本发明请求保护的技术方案范围当中。

Claims (6)

1.一种PU用高效复合助剂，其特征在于：以质量分数计，包括SiO227.40-27.60份、α-Al2O318.25-18.40份、CuO 6.50-6.70份、ZnO 5.32-5.38份、MgO4.60-4.70份、Fe2O34.25-4.29份、TiO21.15-1.20份、K2O0.10-0.15份、小分子量树脂21-25份、大分子量树脂9-17份；所述小分子量树脂的数均分子量为5000-10000，所述大分子量树脂的数均分子量为30-100万。
2.根据权利要求1所述的PU用高效复合助剂，其特征在于：所述小分子量树脂为聚含氟丙烯酰胺树脂、含氟环氧树脂或含氟聚苯醚；所述大分子量树脂为聚丙烯树脂、酚醛树脂。
3.根据权利要求1所述的PU用高效复合助剂，其特征在于：所述大分子量树脂的分子量分布指数为1.1-1.3；所述小分子量树脂的分子量分布指数为2-3。
4.根据权利要求1-3任一项所述的PU用高效复合助剂，其特征在于：SiO2、α-Al2O3、CuO、ZnO、MgO、Fe2O3、TiO2和K2O为固体粉末，粒径为50-80 nm，球形度为0.6-1。
5.根据权利要求4所述的PU用高效复合助剂，其特征在于：在先将SiO2、α-Al2O3、CuO、ZnO、MgO、Fe2O3、TiO2和K2O进行球磨，混合均匀，得到第一混合粉末；然后在20-30℃、N2气氛条件下，将第一混合粉末和小分子量树脂、大分子量树脂进行球磨，混合均匀，得到半成品，然后熔融挤出造粒，粉碎，即得。
6.根据权利要求4所述的PU用高效复合助剂，其特征在于：挤出采用双螺杆挤出机，熔融温度为100-300℃。
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101020800A (zh) * 2007-02-15 2007-08-22 中国科学院上海硅酸盐研究所 一种无机纳米/聚合物复合绝缘涂料及其制备方法
JP2015059321A (ja) * 2013-09-17 2015-03-30 積水化学工業株式会社 防火防音パネル
CN111793331A (zh) * 2020-06-23 2020-10-20 浙江恒澜科技有限公司 一种可生物降解原位纳米复合材料及其制备方法和应用
CN111892301A (zh) * 2020-08-13 2020-11-06 上海朗亿功能材料有限公司 一种玻璃抗菌微珠及玻璃抗菌树脂

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101020800A (zh) * 2007-02-15 2007-08-22 中国科学院上海硅酸盐研究所 一种无机纳米/聚合物复合绝缘涂料及其制备方法
JP2015059321A (ja) * 2013-09-17 2015-03-30 積水化学工業株式会社 防火防音パネル
CN111793331A (zh) * 2020-06-23 2020-10-20 浙江恒澜科技有限公司 一种可生物降解原位纳米复合材料及其制备方法和应用
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