CN104945595A - 超高硬度聚氨酯仿木材料及其制备方法 - Google Patents

超高硬度聚氨酯仿木材料及其制备方法 Download PDF

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CN104945595A
CN104945595A CN201510320383.5A CN201510320383A CN104945595A CN 104945595 A CN104945595 A CN 104945595A CN 201510320383 A CN201510320383 A CN 201510320383A CN 104945595 A CN104945595 A CN 104945595A
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徐业峰
唐国涛
李明友
郝德开
朱文静
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Shandong Inov New Material Co Ltd
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Abstract

本发明属于聚氨酯技术领域,具体涉及一种超高硬度聚氨酯仿木材料及其制备方法。所述仿木材料由A组份和B组份制成,以重量份数计,A组份:聚醚多元醇A 55~70;聚醚多元醇B 15~25;聚醚多元醇C 15~20;泡沫稳定剂2.0~3.0;化学发泡剂0.5~1.0;催化剂1.2~4.5;物理发泡剂5~10;其中,聚醚多元醇A,聚醚多元醇B,聚醚多元醇C三种原料总重量份数为100份;B组份为多苯基多亚甲基多异氰酸酯。本发明的超高硬度聚氨酯仿木材料通过引入一种高官能度聚醚多元醇与常用聚醚多元醇搭配制备而成,仿木材料的表面硬度可以达到邵氏硬度D60以上,尺寸稳定性收缩率小于0.5%,能够制备雕刻样式复杂的仿木产品。

Description

超高硬度聚氨酯仿木材料及其制备方法
技术领域
本发明属于聚氨酯技术领域,具体涉及一种超高硬度聚氨酯仿木材料及其制备方法。
背景技术
随着我国经济水平的快速发展,市场对于木材的需求量日益增加,造成森林资源过度开采,导致生态环境恶化,水土流失严重。在此背景下,各类合成木材、仿木材料得以迅速发展。可用作仿木材料的树脂包括聚氯乙烯,聚酯,聚氨酯,聚苯乙烯等等,其中聚氨酯类仿木材料具有很高的刚性和机械强度,生产工艺简单,效率高,制品外形美观,代替木材用作高档制品,深受用户的欢迎,因此聚氨酯仿木材料发展迅速。市面上的仿木产品表面硬度通常不高,制品容易擦伤,并且无法制备具有雕刻花纹、尺寸稳定性要求高的仿木产品。
发明内容
本发明的目的是提供一种超高强度聚氨酯仿木材料,具有超高的表面硬度,优异的尺寸稳定性,能够制备雕刻样式复杂的仿木产品;本发明同时提供其制备方法。
本发明所述的超高硬度聚氨酯仿木材料,由A组份和B组份制成,其中:
以重量份数计,A组份:
其中,聚醚多元醇A,聚醚多元醇B,聚醚多元醇C三种原料总重量份数为100份;
所述聚醚多元醇A为4官能度,分子量为400~460的聚醚多元醇;
所述聚醚多元醇B为7官能度,分子量为360~390的聚醚多元醇;
所述聚醚多元醇C为3官能度,分子量为300~350的聚醚多元醇;
B组份:
多苯基多亚甲基多异氰酸酯。
聚醚多元醇A优选YNW-4110,生产厂家为山东一诺威新材料有限公司;聚醚多元醇B 优选YNW-370S,生产厂家为山东一诺威新材料有限公司;聚醚多元醇C优选YNW-305,生产厂家为山东一诺威新材料有限公司。
所述泡沫稳定剂为高性能硬泡硅油AK-8805,生产厂家为江苏美思德化学股份有限公司。
所述化学发泡剂为水。
所述催化剂为N,N-二甲基环己胺(Y-12)、N,N-二甲基苄胺(Y-27)、1,3,5-三(二甲氨基丙基)-六氢三嗪(PC-41)或五甲基二亚乙基三胺(PC-5)中的一种或多种,生产厂家为美国空气化工。
所述物理发泡剂为HCFC-141b,生产厂家为江苏蓝色星球环保科技股份有限公司。
所述的超高硬度聚氨酯仿木材料的制备方法,包括以下步骤:
先将聚醚多元醇加入反应釜中搅拌,然后加入泡沫稳定剂、催化剂、化学发泡剂、物理发泡剂,在常温下搅拌15~30分钟,得到A组分;将A组份与B组份按重量比1:1.1混合均匀进行反应,即可制备出超高硬度聚氨酯仿木材料。
与现有技术相比,本发明的有益效果如下:
本发明的超高硬度聚氨酯仿木材料通过引入一种高官能度聚醚多元醇与常用聚醚多元醇搭配制备而成,仿木材料的表面硬度可以达到邵氏硬度D60以上,尺寸稳定性收缩率小于0.5%,能够制备雕刻样式复杂的仿木产品。
具体实施方式
以下结合实施例对本发明做进一步描述。
实施例1
所述的超高硬度聚氨酯仿木材料按照以下制备:
以重量份数计,A组份:
B组份:
多苯基多亚甲基多异氰酸酯。
制备时,先将聚醚多元醇加入反应釜中搅拌,然后加入泡沫稳定剂、催化剂、化学发泡剂、物理发泡剂,在常温下搅拌20分钟,得到A组分;将A组份与B组份按重量比1:1.1混合均匀进行反应,制备出超高硬度聚氨酯仿木材料。
具体指标如下:
模塑芯密度  90kg/m3
邵氏硬度D   62
尺寸稳定性 
-30℃,24h:0.39%
100℃,24h:0.23%
实施例2
所述的超高硬度聚氨酯仿木材料按照以下制备:
以重量份数计,A组份:
B组份:
多苯基多亚甲基多异氰酸酯。
制备时,先将聚醚多元醇加入反应釜中搅拌,然后加入泡沫稳定剂、催化剂、化学发泡剂、物理发泡剂,在常温下搅拌20分钟,得到A组分;将A组份与B组份按重量比1:1.1混合均匀进行反应,制备出超高硬度聚氨酯仿木材料。
具体指标如下:
模塑芯密度  92kg/m3
邵氏硬度D   60
尺寸稳定性 
-30℃,24h:0.37%
100℃,24h:0.21%
实施例3
所述的超高硬度聚氨酯仿木材料按照以下制备:
以重量份数计,A组份:
B组份:
多苯基多亚甲基多异氰酸酯。
制备时,先将聚醚多元醇加入反应釜中搅拌,然后加入泡沫稳定剂、催化剂、化学发泡剂、物理发泡剂,在常温下搅拌20分钟,得到A组分;将A组份与B组份按重量比1:1.1混合均匀进行反应,制备出超高硬度聚氨酯仿木材料。
具体指标如下:
模塑芯密度  95kg/m3
邵氏硬度D   60
尺寸稳定性 
-30℃,24h:0.375%
100℃,24h:0.22% 。

Claims (6)

1.一种超高硬度聚氨酯仿木材料,其特征在于由A组份和B组份制成,其中:
以重量份数计,A组份:
其中,聚醚多元醇A,聚醚多元醇B,聚醚多元醇C三种原料总重量份数为100份;
所述聚醚多元醇A为4官能度,分子量为400~460的聚醚多元醇;
所述聚醚多元醇B为7官能度,分子量为360~390的聚醚多元醇;
所述聚醚多元醇C为3官能度,分子量为300~350的聚醚多元醇;
B组份:
多苯基多亚甲基多异氰酸酯。
2.根据权利要求1所述的超高硬度聚氨酯仿木材料,其特征在于:所述泡沫稳定剂为硬泡硅油AK-8805。
3.根据权利要求1所述的超高硬度聚氨酯仿木材料,其特征在于:所述化学发泡剂为水。
4.根据权利要求1所述的超高硬度聚氨酯仿木材料,其特征在于:所述催化剂为N,N-二甲基环己胺、N,N-二甲基苄胺、1,3,5-三(二甲氨基丙基)-六氢三嗪或五甲基二亚乙基三胺中的一种或多种。
5.根据权利要求1所述的超高硬度聚氨酯仿木材料,其特征在于:所述物理发泡剂为HCFC-141b。
6.一种权利要求1~5任一所述的超高硬度聚氨酯仿木材料的制备方法,其特征在于包括以下步骤:
先将聚醚多元醇加入反应釜中搅拌,然后加入泡沫稳定剂、催化剂、化学发泡剂、物理发泡剂,在常温下搅拌15~30分钟,得到A组分;将A组份与B组份按重量比1:1.1混合均匀进行反应,即可制备出超高硬度聚氨酯仿木材料。
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CN105330806A (zh) * 2015-11-25 2016-02-17 山东一诺威新材料有限公司 低密度、高表面强度聚氨酯全水仿木材料及其制备方法
CN105384910A (zh) * 2015-12-24 2016-03-09 山东一诺威新材料有限公司 可降解聚氨酯仿木材料及其制备方法
CN106188487A (zh) * 2016-08-01 2016-12-07 山东诺威新材料有限公司 用于蜂箱保温的可降解聚氨酯仿木材料及其制备方法
CN106432677A (zh) * 2016-09-29 2017-02-22 上海东大聚氨酯有限公司 组合聚醚、聚氨酯原料组合物、仿木材料及制备方法
CN106832211A (zh) * 2017-02-06 2017-06-13 山东诺威新材料有限公司 用于制作笔筒的可降解聚氨酯仿木材料及其制备方法
CN106832192A (zh) * 2017-02-24 2017-06-13 耿佃勇 聚氨酯吸墨海绵及其制备方法
WO2018045637A1 (zh) * 2016-09-12 2018-03-15 东莞市大绿环保科技有限公司 一种可降解承重卡板及其制备方法
CN110255973A (zh) * 2019-05-31 2019-09-20 山西财贸职业技术学院 一种新型雕塑用材料及其制备方法
CN110511342A (zh) * 2019-09-26 2019-11-29 山东一诺威新材料有限公司 仿木材料及其制备方法
CN111500054A (zh) * 2020-05-22 2020-08-07 江苏爱特恩高分子材料有限公司 一种废旧电缆外皮改性仿木聚氨酯的制备方法
CN115785388A (zh) * 2022-12-13 2023-03-14 西安南洋迪克整装智能家居有限公司 采用pu树脂制备的仿木材料及其加工方法

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CN105330806B (zh) * 2015-11-25 2018-02-23 山东一诺威新材料有限公司 低密度、高表面强度聚氨酯全水仿木材料及其制备方法
CN105330806A (zh) * 2015-11-25 2016-02-17 山东一诺威新材料有限公司 低密度、高表面强度聚氨酯全水仿木材料及其制备方法
CN105384910A (zh) * 2015-12-24 2016-03-09 山东一诺威新材料有限公司 可降解聚氨酯仿木材料及其制备方法
CN106188487A (zh) * 2016-08-01 2016-12-07 山东诺威新材料有限公司 用于蜂箱保温的可降解聚氨酯仿木材料及其制备方法
WO2018045637A1 (zh) * 2016-09-12 2018-03-15 东莞市大绿环保科技有限公司 一种可降解承重卡板及其制备方法
CN106432677A (zh) * 2016-09-29 2017-02-22 上海东大聚氨酯有限公司 组合聚醚、聚氨酯原料组合物、仿木材料及制备方法
CN106432677B (zh) * 2016-09-29 2019-07-09 上海东大聚氨酯有限公司 组合聚醚、聚氨酯原料组合物、仿木材料及制备方法
CN106832211A (zh) * 2017-02-06 2017-06-13 山东诺威新材料有限公司 用于制作笔筒的可降解聚氨酯仿木材料及其制备方法
CN106832192A (zh) * 2017-02-24 2017-06-13 耿佃勇 聚氨酯吸墨海绵及其制备方法
CN110255973A (zh) * 2019-05-31 2019-09-20 山西财贸职业技术学院 一种新型雕塑用材料及其制备方法
CN110511342A (zh) * 2019-09-26 2019-11-29 山东一诺威新材料有限公司 仿木材料及其制备方法
CN111500054A (zh) * 2020-05-22 2020-08-07 江苏爱特恩高分子材料有限公司 一种废旧电缆外皮改性仿木聚氨酯的制备方法
CN115785388A (zh) * 2022-12-13 2023-03-14 西安南洋迪克整装智能家居有限公司 采用pu树脂制备的仿木材料及其加工方法

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