CN106866899A - 一种耐热改性乙烯基树脂 - Google Patents

一种耐热改性乙烯基树脂 Download PDF

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CN106866899A
CN106866899A CN201611244127.3A CN201611244127A CN106866899A CN 106866899 A CN106866899 A CN 106866899A CN 201611244127 A CN201611244127 A CN 201611244127A CN 106866899 A CN106866899 A CN 106866899A
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王鸿
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Zhejiang Kenobi Polymer Material Co Ltd
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Abstract

本发明涉及高分子技术领域，具体涉及一种耐热改性乙烯基树脂。按重量份数计包括：有机硅改性环氧树脂35‑39，邻甲酚醛环氧树脂15‑19份，甲醚化苯代三聚氰胺树脂10‑15份，丙稀酸改性醇酸树脂3‑5份，甲基丙烯酸7‑10份，丙烯酸16‑20份，富马酸9‑13份，顺丁烯二酸酐10‑15份，三苯基乙基溴化鏻0.5‑1份，对苯二酚0.4‑0.7份，苯乙烯36‑40份。本发明制备的产品，通过基础配方的改进，并辅助以复配改性剂和复配固化剂，使得制备的乙烯基树脂的性能相比传统树脂得到很大的改进，其热变形温度得到了很大的提高。其综合力学性能良好，能够适用于温度较高的工作环境，同时其耐热性的提高，使得其耐老化性能的提高。

Description

一种耐热改性乙烯基树脂
技术领域
本发明涉及高分子技术领域，具体涉及一种耐热改性乙烯基树脂。
背景技术
不饱和聚酯树脂，一般是由不饱和二元酸二元醇或者饱和二元酸不饱和二元醇缩聚而成的具有酯键和不饱和双键的线型高分子化合物。通常，聚酯化缩聚反应是在190～220℃进行，直至达到预期的酸值(或粘度)，在聚酯化缩反应结束后，趁热加入一定量的乙烯基单体，配成粘稠的液体，这样的聚合物溶液称之为不饱和聚酯树脂。
迄今，国内外用作复合材料基体的不饱和聚酯(树脂)基体基本上是邻苯二甲酸型(简称邻苯型)、间苯二甲酸型(简称间苯型)、双酚A型和乙烯基酯型、卤代不饱和聚酯树脂等。
乙烯基树脂即乙烯基酯树脂，是一种环氧树脂与一种含有烯键的不饱和一元酸的加成反应产物，并经一种反应性单体稀释。乙烯基树脂具有良好的耐腐蚀性能，兼有环氧树脂优良力学性能和不饱和聚酯树脂常温固化的优良特性。用乙烯基树脂制作的树脂基复合材料，已在化工防腐、烟气脱硫、交通运输、电子电器等方面得到了广泛的应用。
传统的乙烯基树脂热变形温度较低，耐热性不好，无法满足较高的使用环境。
发明内容
本发明的目的是为了解决上述问题，提供一种耐热改性乙烯基树脂。
为了达到上述发明目的，本发明采用以下技术方案：
一种耐热改性乙烯基树脂，按重量份数计包括：有机硅改性环氧树脂35-39，邻甲酚醛环氧树脂15-19份，甲醚化苯代三聚氰胺树脂10-15份，丙稀酸改性醇酸树脂3-5份，甲基丙烯酸7-10份，丙烯酸16-20份，富马酸9-13份，顺丁烯二酸酐10-15份，三苯基乙基溴化鏻0.5-1份，对苯二酚0.4-0.7份，苯乙烯36-40份。
为了改善目前的传统乙烯基树脂的耐热性能，本发明采用有机硅改性环氧树脂、邻甲酚醛环氧树脂、甲醚化苯代三聚氰胺树脂复配，制备得到一种综合性能稳定，耐热性能优良的乙烯基树脂，该树脂的热变形温度得到很大的提高，从而提高了耐热性能。
优选的，按重量份数计包括：有机硅改性环氧树脂35，邻甲酚醛环氧树脂19份，甲醚化苯代三聚氰胺树脂10份，丙稀酸改性醇酸树脂5份，甲基丙烯酸7份，丙烯酸20份，富马酸9份，顺丁烯二酸酐15份，三苯基乙基溴化鏻0.5份，对苯二酚0.7份，苯乙烯36份。
优选的，还包括复配改性剂，包括衣康酸酐8-12份，正硅酸乙酯7-8份，三乙醇胺2-3份，顺丁烯二酸9份，琥珀酸二异辛酯磺酸钠0.3-0.8份，4,4'-二氨基二苯砜0.5-2份。
复配改性剂，是为了提高制备的乙烯基树脂耐热性能的稳定性，由于只采用有机硅改性环氧树脂、邻甲酚醛环氧树脂、甲醚化苯代三聚氰胺树脂复配后，其耐热性能不够稳定，制备的产品耐热性能差异化较大，因此，通过添加复配改性剂，可以将制备的产品的热变形温度稳定在一定的范围内，提高产品的综合质量。
优选的，还包括羧甲基纤维素2-3份。用于改善复配剂的添加导致的乙烯基产品柔韧性的降低。
优选的，还包括复配固化剂，具体包括甲基四氢苯酐0.3-0.5份、氢氧化铯0.05-0.1份和正丁基锂0.1-0.2份。
由于基础树脂的不同，导致固化速率的差异化较大，同时，在添加了复配改性剂后，树脂的固化条件受到了限制，因此，以复配固化剂来改善改性后的乙烯基树脂的固化性能。
本发明制备的产品，通过基础配方的改进，并辅助以复配改性剂和复配固化剂，使得制备的乙烯基树脂的性能相比传统树脂得到很大的改进，其热变形温度得到了很大的提高。其综合力学性能良好，能够适用于温度较高的工作环境，同时其耐热性的提高，使得其耐老化性能的提高。
具体实施方式
下面通过具体实施例对本发明的技术方案作进一步描述说明。
如果无特殊说明，本发明的实施例中所采用的原料均为本领域常用的原料，实施例中所采用的方法，均为本领域的常规方法。
实施例1：
一种耐热改性乙烯基树脂其配比具体为：有机硅改性环氧树脂39kg，邻甲酚醛环氧树脂15kg，甲醚化苯代三聚氰胺树脂15kg，丙稀酸改性醇酸树脂3kg，甲基丙烯酸10kg，丙烯酸16kg，富马酸13kg，顺丁烯二酸酐10kg，三苯基乙基溴化鏻1kg，对苯二酚0.4kg，苯乙烯40kg。
实施例2：
一种耐热改性乙烯基树脂其配比具体为：有机硅改性环氧树脂35，邻甲酚醛环氧树脂19kg，甲醚化苯代三聚氰胺树脂10kg，丙稀酸改性醇酸树脂5kg，甲基丙烯酸7kg，丙烯酸20kg，富马酸9kg，顺丁烯二酸酐15kg，三苯基乙基溴化鏻0.5kg，对苯二酚0.7kg，苯乙烯36kg。
实施例3：
在实施例1的基础上加入复配改性剂，具体为衣康酸酐8kg，正硅酸乙酯8kg，三乙醇胺2kg，顺丁烯二酸9kg，琥珀酸二异辛酯磺酸钠0.8kg，4,4'-二氨基二苯砜0.5kg。
实施例4：
在实施例1的基础上加入复配改性剂，具体为衣康酸酐12kg，正硅酸乙酯7kg，三乙醇胺3kg，顺丁烯二酸9kg，琥珀酸二异辛酯磺酸钠0.3kg，4,4'-二氨基二苯砜2kg。
实施例5：
在实施例1的基础上加入羧甲基纤维素2kg和复配固化剂，复配固化剂具体为甲基四氢苯酐0.5kg、氢氧化铯0.05kg和正丁基锂0.2kg。
实施例6：
在实施例2的基础上加入羧甲基纤维素3kg和复配固化剂，复配固化剂具体为甲基四氢苯酐0.3kg、氢氧化铯0.1kg和正丁基锂0.1kg。
实施例7：
在实施例3的基础上加入羧甲基纤维素2kg和复配固化剂，复配固化剂具体为甲基四氢苯酐0.5kg、氢氧化铯0.1kg和正丁基锂0.1kg。
实施例8：
在实施例4的基础上加入羧甲基纤维素3kg和复配固化剂，复配固化剂具体为甲基四氢苯酐0.3kg、氢氧化铯0.05kg和正丁基锂0.2kg。
对比例
以传统树脂为对比，与实施例1-8制备的乙烯基树脂采用国标进行性能测试对比，具体如下：
由上表可知，本发明制备的树脂的热稳定性较好。
以上所述的实施例只是本发明的一种较佳的方案，并非对本发明作任何形式上的限制，在不超出权利要求所记载的技术方案的前提下还有其它的变体及改型。

Claims (5)

1.一种耐热改性乙烯基树脂，其特征在于，按重量份数计包括：有机硅改性环氧树脂35-39，邻甲酚醛环氧树脂15-19份，甲醚化苯代三聚氰胺树脂10-15份，丙稀酸改性醇酸树脂3-5份，甲基丙烯酸7-10份，丙烯酸16-20份，富马酸9-13份，顺丁烯二酸酐10-15份，三苯基乙基溴化鏻0.5-1份，对苯二酚0.4-0.7份，苯乙烯36-40份。
2.根据权利要求1所述的一种耐热改性乙烯基树脂，其特征在于，按重量份数计包括：有机硅改性环氧树脂35，邻甲酚醛环氧树脂19份，甲醚化苯代三聚氰胺树脂10份，丙稀酸改性醇酸树脂5份，甲基丙烯酸7份，丙烯酸20份，富马酸9份，顺丁烯二酸酐15份，三苯基乙基溴化鏻0.5份，对苯二酚0.7份，苯乙烯36份。
3.根据权利要求1所述的一种耐热改性乙烯基树脂，其特征在于，还包括复配改性剂，包括衣康酸酐8-12份，正硅酸乙酯7-8份，三乙醇胺2-3份，顺丁烯二酸9份，琥珀酸二异辛酯磺酸钠0.3-0.8份，4,4'-二氨基二苯砜0.5-2份。
4.根据权利要求3所述的一种耐热改性乙烯基树脂，其特征在于，还包括羧甲基纤维素2-3份。
5.根据权利要求1或3所述的一种耐热改性乙烯基树脂，其特征在于，还包括复配固化剂，具体包括甲基四氢苯酐0.3-0.5份、氢氧化铯0.05-0.1份和正丁基锂0.1-0.2份。
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103396517A (zh) * 2013-07-22 2013-11-20 南通天和树脂有限公司 一种耐高温型乙烯基酯树脂
CN103497287A (zh) * 2013-09-09 2014-01-08 华东理工大学华昌聚合物有限公司 一种smc/bmc用环氧乙烯基酯树脂的合成工艺
CN105885011A (zh) * 2014-09-05 2016-08-24 薛俊峰 一种耐高温腐蚀改性环氧树脂及其制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103396517A (zh) * 2013-07-22 2013-11-20 南通天和树脂有限公司 一种耐高温型乙烯基酯树脂
CN103497287A (zh) * 2013-09-09 2014-01-08 华东理工大学华昌聚合物有限公司 一种smc/bmc用环氧乙烯基酯树脂的合成工艺
CN105885011A (zh) * 2014-09-05 2016-08-24 薛俊峰 一种耐高温腐蚀改性环氧树脂及其制备方法

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