CN109517159A - 新型硬泡聚醚多元醇的制备方法 - Google Patents

新型硬泡聚醚多元醇的制备方法 Download PDF

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CN109517159A
CN109517159A CN201811350377.4A CN201811350377A CN109517159A CN 109517159 A CN109517159 A CN 109517159A CN 201811350377 A CN201811350377 A CN 201811350377A CN 109517159 A CN109517159 A CN 109517159A
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polyether polyol
preparation
novel rigid
foam polyether
foam
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耿佃勇
荆晓东
孙言丛
荣若贵
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
    • C08G65/2603Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen
    • C08G65/2606Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups
    • C08G65/2609Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds the other compounds containing oxygen containing hydroxyl groups containing aliphatic hydroxyl groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0025Foam properties rigid
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0083Foam properties prepared using water as the sole blowing agent

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  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
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Abstract

本发明涉及一种新型硬泡聚醚多元醇的制备方法,属于聚氨酯发泡领域,制备过程如下:以甘油和三羟甲基丙烷为主要原料,在碱性催化剂的催化下,与环氧乙烷反应,然后加入蔗糖,最后加入环氧丙烷反应制得产品。本发明涉及一种新型硬泡聚醚多元醇的制备方法,本产品该聚醚具有羟值低,官能度低,粘度低的特点,本发明制得的产品以该聚醚多元醇为基的聚氨酯硬泡,可全部用水做发泡剂,安全环保,经济价值高。

Description

新型硬泡聚醚多元醇的制备方法
技术领域
本发明涉及一种新型硬泡聚醚多元醇的制备方法,属于聚氨酯发泡领域。
背景技术
当今,聚氨酯硬泡塑料作为保温材料已被广泛应用于储罐,冰箱,冰柜,管道,建筑等行业,并逐渐在填充料,防水,隔热保温层中应用。
然而目前本行业来说聚氨酯硬泡用聚醚多元醇多为非全水发泡的,这样相对来说从环保方面考虑并不能安全环保,不符合我们大环境,同时聚醚存在具有羟值交高,官能度较高,粘度较高的特点。
发明内容
本发明所要解决的问题在于克服现有技术的不足,提供一种新型硬泡聚醚多元醇的制备方法,该聚醚具有羟值低,官能度低,粘度低的特点。以该聚醚多元醇为基的聚氨酯硬泡,可全部用水做发泡剂,安全环保,经济价值高。
本发明是这样实现的:
一种新型硬泡聚醚多元醇的制备方法,制备过程如下:
以甘油和三羟甲基丙烷为主要原料,在碱性催化剂的催化下,与环氧乙烷反应,然后加入蔗糖,最后加入环氧丙烷反应制得产品。
所述的:甘油和三羟甲基丙烷的质量比为1/1-1/3。
加入环氧乙烷反应至羟值500-560,环氧乙烷的进料量为100-300g/小时。
加入环氧丙烷反应至150-250,环氧丙烷的进料量100-300g/小时。
所述的:碱性催化剂包括氢氧化钾、氢氧化钠、碳酸氢钠、碳酸钾、碳酸钠、醇钠或乙醇钾。
本发明的有益效果是:
1、本发明涉及一种新型硬泡聚醚多元醇的制备方法,本产品该聚醚具有羟值低,官能度低,粘度低的特点。
2、本发明制得的产品以该聚醚多元醇为基的聚氨酯硬泡,可全部用水做发泡剂,安全环保,经济价值高。
3、该产品原料来源广泛,制备工艺简单,操作安全系数高,绿色环保,经济效益高。
4、该产品的分子结构适合全水发泡,
具体实施方式
下面结合实施例对本发明做进一步说明。
实施例1
一种新型硬泡聚醚多元醇的制备方法,步骤一
选用原料:三羟甲基丙烷276g,甘油276g,KOH4.5g,EO945g
制备工艺:将三羟甲基丙烷和甘油常温下投入5L反应釜中,加入KOH,置换升温110脱水2小时度进EO,反应温度110度,熟化脱单体降温后处理精制得到中间体DX-1。
指标:DX-1羟值560
步骤二
选用原料:DX-1 500g,蔗糖100g,KOH3.7g环氧丙烷865g
制备工艺:常温下将DX-1,蔗糖,KOH投入5L反应釜中,置换升温60度,预滴。预滴成功后90度反应.。熟化,脱单体,后处理精制得到成品。
指标:羟值200,pH6.89,AV0.08,VIS1400,K离子1ppm。
实施例2
一种新型硬泡聚醚多元醇的制备方法,步骤一
选用原料:三羟甲基丙烷552g,甘油276g,NaOH5.4g,EO1361g
制备工艺:将三羟甲基丙烷和甘油常温下投入5L反应釜中,加入NaOH,置换升温110度脱水2小时进EO,反应温度115度,熟化脱单体降温后处理精制得到中间体DX-2。
指标:DX-2羟值550
步骤二
选用原料:DX-2 500g,蔗糖100g,NaOH4.7g环氧丙烷1320g
制备工艺:常温下将DX-1,蔗糖,NaOH投入5L反应釜中,置换升温70度,预滴。预滴成功后100度反应.。熟化,脱单体,后处理精制得到成品。
指标:羟值150,pH6.9,AV0.05,VIS1480,K离子1ppm。
实施例3
一种新型硬泡聚醚多元醇的制备方法,步骤一
选用原料:三羟甲基丙烷828g,甘油276g,碳酸氢钠7.g,EO1985g
制备工艺:将三羟甲基丙烷和甘油常温下投入5L反应釜中,加入碳酸氢钠,置换升温110度脱水2小时进EO,反应温度120度,熟化脱单体降温后处理精制得到中间体DX-3
指标:DX-3羟值500
步骤二
选用原料:DX-3 500g,蔗糖100g,碳酸氢钠2.6gg环氧丙烷452g
制备工艺:常温下将DX-3,蔗糖,碳酸氢钠投入5L反应釜中,置换升温80度,预滴。预滴成功后110度反应.。熟化,脱单体,后处理精制得到成品。
指标:羟值250,pH7.11,AV0.07,VIS1350,K离子1ppm。

Claims (5)

1.一种新型硬泡聚醚多元醇的制备方法,其特征在于制备过程如下:
以甘油和三羟甲基丙烷为主要原料,在碱性催化剂的催化下,与环氧乙烷反应,然后加入蔗糖,最后加入环氧丙烷反应制得产品。
2.根据权利要求1所述的新型硬泡聚醚多元醇的制备方法,其特征在于所述的:甘油和三羟甲基丙烷的质量比为1/1-1/3。
3.根据权利要求1所述的新型硬泡聚醚多元醇的制备方法,其特征在于加入环氧乙烷反应至羟值500-560,环氧乙烷的进料量为100-300g/小时。
4.根据权利要求1所述的新型硬泡聚醚多元醇的制备方法,其特征在于加入环氧丙烷反应至150-250,环氧丙烷的进料量100-300g/小时。
5.根据权利要求1所述的新型硬泡聚醚多元醇的制备方法,其特征在于所述的:碱性催化剂包括氢氧化钾、氢氧化钠、碳酸氢钠、碳酸钾、碳酸钠、醇钠或乙醇钾。
CN201811350377.4A 2018-11-14 2018-11-14 新型硬泡聚醚多元醇的制备方法 Pending CN109517159A (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106947074A (zh) * 2017-03-13 2017-07-14 浙江皇马表面活性剂研究有限公司 一种低不饱和度高活性高分子量聚醚多元醇的制备方法
WO2017174272A1 (de) * 2016-04-04 2017-10-12 Evonik Degussa Gmbh Aufbereitung alkalisch katalysierter alkoxylierungsprodukte
CN108148190A (zh) * 2016-12-02 2018-06-12 山东蓝星东大有限公司 高活性低挥发物聚醚多元醇的制备方法
CN108203501A (zh) * 2016-12-02 2018-06-26 蓝星(北京)技术中心有限公司 具有高效催化活性聚醚多元醇的制备方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017174272A1 (de) * 2016-04-04 2017-10-12 Evonik Degussa Gmbh Aufbereitung alkalisch katalysierter alkoxylierungsprodukte
CN108148190A (zh) * 2016-12-02 2018-06-12 山东蓝星东大有限公司 高活性低挥发物聚醚多元醇的制备方法
CN108203501A (zh) * 2016-12-02 2018-06-26 蓝星(北京)技术中心有限公司 具有高效催化活性聚醚多元醇的制备方法
CN106947074A (zh) * 2017-03-13 2017-07-14 浙江皇马表面活性剂研究有限公司 一种低不饱和度高活性高分子量聚醚多元醇的制备方法

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