CN107779163A - 双组分木地板胶黏剂 - Google Patents

双组分木地板胶黏剂 Download PDF

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CN107779163A
CN107779163A CN201711227542.2A CN201711227542A CN107779163A CN 107779163 A CN107779163 A CN 107779163A CN 201711227542 A CN201711227542 A CN 201711227542A CN 107779163 A CN107779163 A CN 107779163A
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蒋茵荣
黄桂彬
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Guangxi Zhongchang Resin Co Ltd
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Abstract

本发明公开了一种双组分木地板胶黏剂，涉及胶黏剂技术领域。这种双组分木地板胶黏剂，包括A组分和B组分，A组分包括环氧树脂25～60重量份，聚酰胺树脂2～25重量份，聚环氧丙烷醚多元醇15～20重量份，二乙基甲苯二胺25～45重量份，聚四氢呋喃醚3～15重量份，碳酸丙烯酯3～10重量份，多亚甲基多苯基异氰酸酯2～25重量份；B组分括包聚环氧丙烷醚多元醇15～20重量份，端胺基聚环氧丙烷醚8～30重量份，淀粉10～15重量份，羟乙基纤维素10～15重量份，纳米碳酸钙3～5重量份，纳米氧化锌3～5重量份，氧化镁3～5重量份，硼砂3～5重量份。本发明解决了配置好的胶黏剂在室温下固化时间过长的问题。

Description

双组分木地板胶黏剂
技术领域
本发明涉及胶黏剂技术领域，尤其是一种双组分木地板胶黏剂。
背景技术
实木复合地板以其美观、高雅、装饰性强、尺寸稳定性好、甲醛释放量低的特点，在世界上许多经济发达地区，尤其是欧美国家日渐流行，受到普遍的青睐，被广泛地应用于宾馆、商场、舞厅及家庭地面装修上，年需求量以20%的比例增长。而胶黏剂在实木复合地板的压制中起到至关重要的作用，胶黏剂的质量直接影响到实木复合地板的抗压强度质量。市场上现有的双组分木地板胶仍存在以下不足：（1）配置好的胶黏剂可陈放时间短，易固化报废，影响施工效率；（2）室温下，所需完全固化时间过长。
发明专利申请201310197010.4公开了一种双组分木地板胶黏剂，半固化时间为3.5～4小时，完全固化时间为6～8小时，还是有点长。
发明内容
本发明提供一种双组分木地板胶黏剂，它可以解决配置好的胶黏剂室温下，所需完全固化时间过长的问题。
为了解决上述问题，本发明所采用的技术方案是：这种双组分木地板胶黏剂，包括A组分和B组分，
所述A组分是由环氧树脂25～60重量份，聚酰胺树脂2～25重量份，聚环氧丙烷醚多元醇15～20重量份，二乙基甲苯二胺25～45重量份，聚四氢呋喃醚3～15重量份，碳酸丙烯酯3～10重量份，多亚甲基多苯基异氰酸酯2～25重量份制成的半预聚物；
所述B组分括包聚环氧丙烷醚多元醇15～20重量份，端胺基聚环氧丙烷醚8～30重量份，淀粉10～15重量份，羟乙基纤维素10～15重量份，纳米碳酸钙3～5重量份，纳米氧化锌3～5重量份，氧化镁3～5重量份，硼砂3～5重量份。
制备方法是：
（1）合成A组分：在真空条件下，把环氧树脂25～60重量份，聚酰胺树脂2～25重量份，聚环氧丙烷醚多元醇15～20重量份和聚四氢呋喃醚3～15重量份加入反应釜中搅拌，并加热到100～110℃，真空脱水2小时，至反应物水分含量在0.03wt%以下；降温至40℃左右，加入液化的多亚甲基多苯基异氰酸酯2～25重量份，停止真空，反应0.5小时后，升温至70～80℃继续反应2小时，降温至60℃左右时，加入碳酸丙烯酯3～10重量份与二乙基甲苯二胺25～45重量份,搅拌均匀，罐装封存待用；
（2）合成B组分：在真空条件下，把聚环氧丙烷醚多元醇15～20重量份，端胺基聚环氧丙烷醚8～30重量份，淀粉10～15重量份，羟乙基纤维素10～15重量份，纳米碳酸钙3～5重量份，纳米氧化锌3～5重量份，氧化镁3～5重量份，硼砂3～5重量份加入到反应釜中搅拌，混合均匀后，升温至100～110℃之间，脱水1.5个小时左右，水分含量在0.03wt%以下, 停止真空系统，罐装封存待用；
（3）将制得的A组分和B组分等体积混合即可。
由于采用了上述技术方案，本发明与现有技术相比具有如下有益效果：
本发明不含刺激气味的组分，制得的双组份木地板胶黏剂可快速固化，且粘稠度适中，粘性均匀，压制的实木复合地板的剥离强度达到国家标准。
具体实施方式
以下结合具体实施例对本发明作进一步详述：
实施例1：
这种双组分木地板胶黏剂，包括A组分和B组分，
所述A组分是由环氧树脂25kg，聚酰胺树脂2kg，聚环氧丙烷醚多元醇15kg，二乙基甲苯二胺25kg，聚四氢呋喃醚3kg，碳酸丙烯酯3kg，多亚甲基多苯基异氰酸酯2kg制成的半预聚物；
所述B组分括包聚环氧丙烷醚多元醇15kg，端胺基聚环氧丙烷醚8kg，淀粉10kg，羟乙基纤维素10kg，纳米碳酸钙3kg，纳米氧化锌3kg，氧化镁3kg，硼砂3kg。
制备方法是：
（1）合成A组分：在真空条件下，把环氧树脂、聚酰胺树脂、聚环氧丙烷醚多元醇、和聚四氢呋喃醚加入反应釜中搅拌，并加热到100～110℃，真空脱水2小时，至反应物水分含量在0.03wt%以下；降温至40℃左右，加入液化的多亚甲基多苯基异氰酸酯，停止真空，反应0.5小时后，升温至70～80℃继续反应2小时，降温至60℃左右时，加入碳酸丙烯酯与二乙基甲苯二胺,搅拌均匀，罐装封存待用；
（2）合成B组分：在真空条件下，把聚环氧丙烷醚多元醇，端胺基聚环氧丙烷醚，淀粉，羟乙基纤维素，纳米碳酸钙，纳米氧化锌，氧化镁，硼砂加入到反应釜中搅拌，混合均匀后，升温至100～110℃之间，脱水1.5个小时左右，水分含量在0.03wt%以下, 停止真空系统，罐装封存待用；
（3）将制得的A组分和B组分等体积混合即可。
参照GB／T 14074～1993规定的Ⅱ类胶粘剂的要求进行检测，本实施例30℃下粘度为0.86 Pa•s。
实施例2：
这种双组分木地板胶黏剂，包括A组分和B组分，
所述A组分是由环氧树脂60kg，聚酰胺树脂25kg，聚环氧丙烷醚多元醇20kg，二乙基甲苯二胺45kg，聚四氢呋喃醚15kg，碳酸丙烯酯10kg，多亚甲基多苯基异氰酸酯25kg制成的半预聚物；
所述B组分括包聚环氧丙烷醚多元醇20kg，端胺基聚环氧丙烷醚30kg，淀粉15kg，羟乙基纤维素15kg，纳米碳酸钙5kg，纳米氧化锌5kg，氧化镁5kg，硼砂5kg。
制备方法同实施例1。
参照GB／T 14074～1993规定的Ⅱ类胶粘剂的要求进行检测，本实施例30℃下粘度为0.90 Pa•s。
实施例3：
这种双组分木地板胶黏剂，包括A组分和B组分，
所述A组分是由环氧树脂42kg，聚酰胺树脂15kg，聚环氧丙烷醚多元醇17kg，二乙基甲苯二胺34kg，聚四氢呋喃醚9kg，碳酸丙烯酯7kg，多亚甲基多苯基异氰酸酯15kg制成的半预聚物；
所述B组分括包聚环氧丙烷醚多元醇17kg，端胺基聚环氧丙烷醚19kg，淀粉12kg，羟乙基纤维素12kg，纳米碳酸钙4kg，纳米氧化锌4kg，氧化镁4kg，硼砂4kg。
制备方法同实施例1。
参照GB／T 14074～1993规定的Ⅱ类胶粘剂的要求进行检测，本实施例30℃下粘度为0.93 Pa•s。
室温下，将实施例1至3制得的双组份木地板胶黏剂与现有市售双组份木地板胶黏剂进行对比实验，结果如下表1：
表1对比实验数据
由上表可见，在相同实验条件下，与市售成品相比，本发明成品的可陈放时间、半固化时间及完全固化时间均有显著改善。

Claims (2)

1.一种双组分木地板胶黏剂，其特征在于：包括A组分和B组分，
所述A组分是由环氧树脂25～60重量份，聚酰胺树脂2～25重量份，聚环氧丙烷醚多元醇15～20重量份，二乙基甲苯二胺25～45重量份，聚四氢呋喃醚3～15重量份，碳酸丙烯酯3～10重量份，多亚甲基多苯基异氰酸酯2～25重量份制成的半预聚物；
所述B组分括包聚环氧丙烷醚多元醇15～20重量份，端胺基聚环氧丙烷醚8～30重量份，淀粉10～15重量份，羟乙基纤维素10～15重量份，纳米碳酸钙3～5重量份，纳米氧化锌3～5重量份，氧化镁3～5重量份，硼砂3～5重量份。
2.根据权利要求1所述的双组分木地板胶黏剂的制备方法，其特征在于：
（1）合成A组分：在真空条件下，把环氧树脂25～60重量份，聚酰胺树脂2～25重量份，聚环氧丙烷醚多元醇15～20重量份和聚四氢呋喃醚3～15重量份加入反应釜中搅拌，并加热到100～110℃，真空脱水2小时，至反应物水分含量在0.03wt%以下；降温至40℃左右，加入液化的多亚甲基多苯基异氰酸酯2～25重量份，停止真空，反应0.5小时后，升温至70～80℃继续反应2小时，降温至60℃左右时，加入碳酸丙烯酯3～10重量份与二乙基甲苯二胺25～45重量份,搅拌均匀，罐装封存待用；
（2）合成B组分：在真空条件下，把聚环氧丙烷醚多元醇15～20重量份，端胺基聚环氧丙烷醚8～30重量份，淀粉10～15重量份，羟乙基纤维素10～15重量份，纳米碳酸钙3～5重量份，纳米氧化锌3～5重量份，氧化镁3～5重量份，硼砂3～5重量份加入到反应釜中搅拌，混合均匀后，升温至100～110℃之间，脱水1.5个小时左右，水分含量在0.03wt%以下, 停止真空系统，罐装封存待用；
（3）将制得的A组分和B组分等体积混合即可。
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Publication number Priority date Publication date Assignee Title
CN103013425A (zh) * 2012-12-27 2013-04-03 南通高盟新材料有限公司 实木地板用胶黏剂及其制备方法
CN104017532A (zh) * 2014-06-27 2014-09-03 重庆中科力泰高分子材料股份有限公司 一种高强度无溶剂聚氨酯胶黏剂及其制备方法
CN106497494A (zh) * 2016-10-14 2017-03-15 北京工商大学 一种喷涂型无溶剂聚氨酯胶黏剂及其制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103013425A (zh) * 2012-12-27 2013-04-03 南通高盟新材料有限公司 实木地板用胶黏剂及其制备方法
CN104017532A (zh) * 2014-06-27 2014-09-03 重庆中科力泰高分子材料股份有限公司 一种高强度无溶剂聚氨酯胶黏剂及其制备方法
CN106497494A (zh) * 2016-10-14 2017-03-15 北京工商大学 一种喷涂型无溶剂聚氨酯胶黏剂及其制备方法

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