CN115403917A - 一种用于树坑美化的废旧聚氨酯组合物 - Google Patents

一种用于树坑美化的废旧聚氨酯组合物 Download PDF

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CN115403917A
CN115403917A CN202211020347.3A CN202211020347A CN115403917A CN 115403917 A CN115403917 A CN 115403917A CN 202211020347 A CN202211020347 A CN 202211020347A CN 115403917 A CN115403917 A CN 115403917A
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waste polyurethane
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季成官
孙奉瑞
张文新
张艳芬
王文锐
郭秀鹏
张淑坤
张倩
高晓瑜
闫宇望
朱宇荣
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Shanxi Keying Technology Co ltd
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Abstract

本发明涉及一种用于树坑美化的废旧聚氨酯组合物，属于废物利用技术领域，具体包括以下重量份的组分，废旧聚氨酯颗粒70‑95份、聚氨酯预聚体3‑25份、固化体系1‑10份；所述固化体系由扩链剂，催化剂，发泡剂，色浆，稳定剂组成；本发明树坑表面平整美观，不纳垢易清扫，透水透气的树坑美化。

Description

一种用于树坑美化的废旧聚氨酯组合物
技术领域
本发明涉及一种用于树坑美化的废旧聚氨酯组合物，属于废物利用技术领域。
背景技术
目前，道路两旁的景观树、绿化带中的树坑美化逐步流行。常用的方法有三类，一是碎木块、鹅卵石填充美化，二是塑料格栅美化，三是铁艺美化（包括铸铁格栅和焊接格栅），但这些美化手段都有一定的弊端，最大的问题就是容易留存落叶和垃圾，不易清扫，增大了环卫工人的工作压力，碎木块、鹅卵石填充还有填充物不固定，经常出现局部缺失的现象，影响美观。
发明内容
为解决现有技术存在的技术问题，本发明提供了一种树坑表面平整美观，不纳垢易清扫，透水透气的树坑美化的废旧聚氨酯组合物。
为实现上述目的，本发明所采用的技术方案为一种用于树坑美化的废旧聚氨酯组合物，包括以下重量份的组分，
废旧聚氨酯颗粒70-95份
聚氨酯预聚体3-25份
固化体系1-10份；
所述固化体系由扩链剂，催化剂，发泡剂，色浆，稳定剂组成。
优选的，所述废旧聚氨酯颗粒是由废旧聚氨酯制品或聚氨酯边角料经切割造粒制得，且所述聚氨酯颗粒的粒径为0.5-3cm。
优选的，所述聚氨酯预聚体是聚醚多元醇合成的预聚体，且NCO值在3%-15%之间。
优选的，所述扩链剂包括低分子醇类或低分子胺类，所述分子醇类包括乙二醇、二乙二醇；所述低分子胺类包括二乙基甲苯二胺（E-100）、3,5-二甲硫基甲苯二胺（E-300）。
优选的，所述催化剂包括有机锡类或汞盐类，所述有机锡类包括辛酸亚锡、二月桂酸二丁基锡；所述汞盐类异辛酸汞、新癸酸汞。
优选的，所述发泡剂包括物理发泡剂或化学发泡剂，包括氯氟烃CFC-11、氢化氯氟烃HCFCS-141b、环戊烷、水。
优选的，所述稳定剂包括抗氧剂和紫外线吸收剂，所述抗氧剂包括抗氧剂264、抗氧剂1010；所述紫外线吸收剂包括紫外线吸收剂UV-196、紫外线吸收剂UV-531。
与现有技术相比，本发明具有以下技术效果：本发明制备的组合物施工后的树坑表面平整美观，不纳垢易清扫，透水透气，适合树木生长，大大减少了蒸发面积，有利于土壤水分的保持，降低浇灌频次。施工方便，不需要切割裁剪，不受树坑形状尺寸限制，只需按配比称量搅拌均匀后摊平即可。
具体实施方式
为了使本发明所要解决的技术问题、技术方案及有益效果更加清楚明白，以下结合实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
实施例1
组份A，粒径2.5-3cm的废旧聚氨酯颗粒，70份；
组份B；由聚醚多元醇N210和MDI合成的—NCO含量为3%的预聚体，20份；
组份C：二乙二醇 0.65份、辛酸亚锡 0.25份、环戊烷 0.05份、绿色浆 1.5份、抗氧剂264 4.25份、紫外线吸收剂UV-531 3.3份；
将以上三组份混合，搅拌均匀，倒入树坑中，摊平，约40min后表干，125min后基本固化。
实施例2
组份A，粒径2-2.5cm的废旧聚氨酯颗粒，75份；
组份B；由聚醚多元醇N210和MDI合成的—NCO含量为5%的预聚体，15份；
组份C：二乙基甲苯二胺（E-100） 1.35份、异辛酸汞 0.02份、水 0.03份、紫色浆 1份、抗氧剂1010 4.5份、紫外线吸收剂UV-531 3.1份；
将以上三组份混合，搅拌均匀，倒入树坑中，摊平，约20min后表干，105min后基本固化。
实施例3
一种用于树坑美化的废旧聚氨酯组合物，包括以下重量份的组分，
组份A，粒径0.5-1cm的废旧聚氨酯颗粒，80份；
组份B；由聚醚多元醇N210和MDI合成的—NCO含量为8%的预聚体，15份；
组份C：3,5-二甲硫基甲苯二胺（E-300） 2.7份、催化剂新癸酸汞 0.02份、氢化氯氟烃HCFCS-141b 0.05份、红色浆 0.5份、抗氧剂264 1份、紫外线吸收剂UV-196 0.73份；
将以上三组份混合，搅拌均匀，倒入树坑中，摊平，约30min后表干，120min后基本固化。
实施例4
组份A，粒径1-1.5cm的废旧聚氨酯颗粒，85份；
组份B；由聚醚多元醇N210和MDI合成的—NCO含量为9%的预聚体，10份；
组份C：3,5-二甲硫基甲苯二胺（E-300） 2.03份、催化剂异辛酸汞 0.02份、氢化氯氟烃HCFCS-141b 0.05份、黄色浆 0.5份、抗氧剂1010 1份、紫外线吸收剂UV-196 1.4份；
将以上三组份混合，搅拌均匀，倒入树坑中，摊平，约30min后表干，120min后基本固化。
实施例5
组份A，粒径1.5-2cm的废旧聚氨酯颗粒，90份；
组份B；由聚醚多元醇N210和MDI合成的—NCO含量为5%的预聚体，9份；
组份C：乙二醇 0.3份、催化剂辛酸亚锡 0.02份氢化氯氟烃HCFCS-141b0.05份、蓝色浆 0.23份、抗氧剂10100.2份、紫外线吸收剂UV-531 0.2份；
将以上三组份混合，搅拌均匀，倒入树坑中，摊平，约30min后表干，120min后基本固化。
实施例6
组份A，粒径1-1.5cm的废旧聚氨酯颗粒，95份；
组份B；由聚醚多元醇N210和MDI合成的—NCO含量为15%的预聚体，3份；
组份C：二乙二醇 0.55份、二月桂酸二丁基锡 0.3份、氯氟烃CFC-11 0.05份、黑色浆 0.4份、抗氧剂264 0.5份、紫外线吸收剂UV-196 0.2份；
将以上三组份混合，搅拌均匀，倒入树坑中，摊平，约50min后表干，130min后基本固化。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明范围内。

Claims (7)

1.一种用于树坑美化的废旧聚氨酯组合物，其特征在于：包括以下重量份的组分，
废旧聚氨酯颗粒70-95份
聚氨酯预聚体3-25份
固化体系1-20份；
所述固化体系由扩链剂，催化剂，发泡剂，色浆，稳定剂组成。
2.根据权利要求1所述的一种用于树坑美化的废旧聚氨酯组合物，其特征在于：所述废旧聚氨酯颗粒是由废旧聚氨酯制品或聚氨酯边角料经切割造粒制得，且所述聚氨酯颗粒的粒径为0.5-3cm。
3.根据权利要求1所述的一种用于树坑美化的废旧聚氨酯组合物，其特征在于：所述聚氨酯预聚体是聚醚多元醇合成的预聚体，且NCO值在3%-15%之间。
4.根据权利要求1所述的一种用于树坑美化的废旧聚氨酯组合物，其特征在于：所述扩链剂包括低分子醇类或低分子胺类，所述分子醇类包括乙二醇、二乙二醇；所述低分子胺类包括二乙基甲苯二胺（E-100）、3,5-二甲硫基甲苯二胺（E-300）。
5.根据权利要求1所述的一种用于树坑美化的废旧聚氨酯组合物，其特征在于：所述催化剂包括有机锡类或汞盐类，所述有机锡类包括辛酸亚锡、二月桂酸二丁基锡；所述汞盐类异辛酸汞、新癸酸汞。
6.根据权利要求1所述的一种用于树坑美化的废旧聚氨酯组合物，其特征在于：所述发泡剂包括物理发泡剂或化学发泡剂，包括氯氟烃CFC-11、氢化氯氟烃HCFCS-141b、环戊烷、水。
7.根据权利要求1所述的一种用于树坑美化的废旧聚氨酯组合物，其特征在于：所述稳定剂包括抗氧剂和紫外线吸收剂，所述抗氧剂包括抗氧剂264、抗氧剂1010；所述紫外线吸收剂包括紫外线吸收剂UV-196、紫外线吸收剂UV-531。
CN202211020347.3A 2022-08-24 2022-08-24 一种用于树坑美化的废旧聚氨酯组合物 Pending CN115403917A (zh)

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Publication number Priority date Publication date Assignee Title
CN103641976A (zh) * 2013-11-28 2014-03-19 东营中一橡胶有限公司 一种利用废旧轮胎胶粉制备聚氨酯发泡塑料的方法
CN106883591A (zh) * 2017-04-24 2017-06-23 广东工业大学 一种聚氨酯废料的利用方法和弹性体
CN113273470A (zh) * 2021-05-29 2021-08-20 基元化工(福建)有限公司 一种在荒漠化土地里栽种树苗的方法
CN113637247A (zh) * 2021-08-20 2021-11-12 南京紫金体育产业股份有限公司 一种生态型护树板的制备方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103641976A (zh) * 2013-11-28 2014-03-19 东营中一橡胶有限公司 一种利用废旧轮胎胶粉制备聚氨酯发泡塑料的方法
CN106883591A (zh) * 2017-04-24 2017-06-23 广东工业大学 一种聚氨酯废料的利用方法和弹性体
CN113273470A (zh) * 2021-05-29 2021-08-20 基元化工(福建)有限公司 一种在荒漠化土地里栽种树苗的方法
CN113637247A (zh) * 2021-08-20 2021-11-12 南京紫金体育产业股份有限公司 一种生态型护树板的制备方法

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