CN106188949A - 一种液体型稀土复合热稳定剂 - Google Patents
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Abstract
本发明提供了一种液体型稀土复合热稳定剂，它的原料及原料的重量份数为：环烷酸镧 9份，环烷酸钕7份，异辛酸锌17份，异辛酸钙26份，亚磷酸酯12 份，环氧大豆油16 份，季戊四醇10 份，抗氧剂1010 3份。本发明将液体稀土类、液体锌钙金属皂类和其它辅助类热稳定剂进行有机复合，得到的热稳定剂具有热稳定性能优良、无粉尘污染、与PVC相容性好、价格便宜等优点，可广泛应用于各种PVC制品加工中。
Description
技术领域
本发明属于PVC热稳定剂领域，涉及一种液体型稀土复合热稳定剂。
背景技术
热稳定剂是一种PVC加工助剂，PVC在加工过程中易发生降解脱氯，严重影响其色泽和力学性能，通过添加热稳定剂可以较好的解决该问题，热稳定剂的常用品种包括铅盐类、金属皂类、有机锡类、稀土类、复合稳定剂及其它辅助热稳定剂等，铅盐类热稳定剂长期以来占据着主导地位，但是由于铅盐对人体和环境的毒性问题，现在其应用已经被限制；有机锡类热稳定剂的价格较高；金属皂类热稳定剂是替代铅盐类热稳定剂的品种，具有较好的热稳定性能。目前，热稳定剂的研究开始向复合、无毒、液体热稳定剂发展，复合型热稳定剂可以综合多种热稳定剂的性能，提高热稳定性能，液体热稳定剂具有无粉尘污染、与树脂的相容性好、不易析出等优势，所以复合型稀土液体热稳定剂具有较大的研究价值。
发明内容
本发明的目的在于提供一种液体型稀土复合热稳定剂，该热稳定剂将液体稀土类、液体锌钙金属皂类和其它辅助类热稳定剂进行有机复合，得到的热稳定剂具有热稳定性能优良、无粉尘污染、与PVC相容性好、价格便宜等优点，可广泛应用于各种PVC制品加工中。
为实现以上目的，本发明采用的技术方案为：
一种液体型稀土复合热稳定剂，它的原料及原料的重量份数为：环烷酸镧 9份，环烷酸钕7份，异辛酸锌17份，异辛酸钙26份，亚磷酸酯12 份，环氧大豆油16 份，季戊四醇10 份，抗氧剂1010 3份。
一种液体型稀土复合热稳定剂的制备方法，包括以下步骤：
（1）首先将亚磷酸酯、抗氧剂1010、季戊四醇加入反应釜中，加热至90℃，搅拌均匀；
（2）加入异辛酸锌和异辛酸钙，搅拌直到溶解完毕；
（3）加入环氧大豆油，搅拌20min后再加入环烷酸镧和环烷酸钕，搅拌30min；
（4）降至室温后，出料，过滤掉残渣，得到透明溶液，即为液体稀土热稳定剂。
本发明的有益效果有：
（1）本发明热稳定剂将液体稀土类、液体锌钙金属皂类和其它辅助类热稳定剂进行有机复合，得到的热稳定剂具有热稳定性能优良、无粉尘污染、与PVC相容性好、价格便宜等优点；
（2）本发明热稳定剂为液体形态，无粉尘污染，属于环保产品；
（3）本发明热稳定剂制备方法简单，价格低廉，可应用于各种PVC制品加工中。
具体实施方式
下面结合具体实施例对本发明作进一步说明，但不限定本发明的保护范围。
实施例
一种液体型稀土复合热稳定剂，它的原料及原料的重量为：环烷酸镧 9Kg，环烷酸钕7 Kg，异辛酸锌17 Kg，异辛酸钙26 Kg，亚磷酸酯12 Kg，环氧大豆油16 Kg，季戊四醇10Kg，抗氧剂1010 3 Kg。
一种液体型稀土复合热稳定剂的制备方法，包括以下步骤：
（1）首先将上述质量的亚磷酸酯、抗氧剂1010、季戊四醇加入反应釜中，加热至90℃，搅拌均匀；
（2）加入异辛酸锌和异辛酸钙，搅拌直到溶解完毕；
（3）加入环氧大豆油，搅拌20min后再加入环烷酸镧和环烷酸钕，搅拌30min；
（4）降至室温后，出料，过滤掉残渣，得到透明溶液，即为液体稀土热稳定剂。
为了验证实施例制备的热稳定剂的热稳定性能，采用刚果红法进行了热稳定时间测试，将97质量份和PVC和3质量份的热稳定剂在开炼机上混炼，制得PVC测试试样，参照国标GBT 2917.1-2002，将试样粉碎后放入试管中，装好刚果红试纸，将试管固定在180±1℃的油浴中，并使油面与试样表面相平，记录刚果红试纸变蓝的时间，即为此试样的热稳定时间，测试结果显示，热稳定时间为49min。
本实施例热稳定剂将液体稀土类、液体锌钙金属皂类和其它辅助类热稳定剂进行有机复合，得到的热稳定剂具有热稳定性能优良、无粉尘污染、与PVC相容性好、价格便宜等优点，可广泛应用于各种PVC制品加工中。
上述实施例仅为本发明的较佳实施例之一，并非以此限制本发明的保护范围，故：凡依本发明的结构、形状、原理所做的等效变化，均应涵盖于本发明的保护范围之内。
Claims (2)
1.一种液体型稀土复合热稳定剂，其特征在于，它的原料及原料的重量份数为：环烷酸镧 9份，环烷酸钕7份，异辛酸锌17份，异辛酸钙26份，亚磷酸酯12 份，环氧大豆油16 份，季戊四醇10 份，抗氧剂1010 3份。
2.一种权利要求1所述的液体型稀土复合热稳定剂的制备方法，其特征在于，包括以下步骤：
（1）首先将亚磷酸酯、抗氧剂1010、季戊四醇加入反应釜中，加热至90℃，搅拌均匀；
（2）加入异辛酸锌和异辛酸钙，搅拌直到溶解完毕；
（3）加入环氧大豆油，搅拌20min后再加入环烷酸镧和环烷酸钕，搅拌30min；
（4）降至室温后，出料，过滤掉残渣，得到透明溶液，制得液体型稀土复合热稳定剂。
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107474446A (zh) * | 2017-10-16 | 2017-12-15 | 天津城建大学 | 一种液体型纳米稀土络合物复合热稳定剂 |
| CN113667190A (zh) * | 2021-05-18 | 2021-11-19 | 广州城建职业学院 | 一种可生物降解改性淀粉基玩具材料及其玩具的制备方法 |
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| CN103073826A (zh) * | 2013-02-01 | 2013-05-01 | 唐山师范学院 | 硬质pvc用稀土复合热稳定剂 |
| CN105670155A (zh) * | 2014-11-18 | 2016-06-15 | 天津儒创新材料科技有限公司 | 一种液体热稳定剂 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103073826A (zh) * | 2013-02-01 | 2013-05-01 | 唐山师范学院 | 硬质pvc用稀土复合热稳定剂 |
| CN105670155A (zh) * | 2014-11-18 | 2016-06-15 | 天津儒创新材料科技有限公司 | 一种液体热稳定剂 |
Non-Patent Citations (1)
| Title |
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| 徐思亭主编: "《塑料材料与助剂》", 31 July 2007 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107474446A (zh) * | 2017-10-16 | 2017-12-15 | 天津城建大学 | 一种液体型纳米稀土络合物复合热稳定剂 |
| CN113667190A (zh) * | 2021-05-18 | 2021-11-19 | 广州城建职业学院 | 一种可生物降解改性淀粉基玩具材料及其玩具的制备方法 |
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