CN106380566A - 汽车用纳米交联tpu 材料的制备方法 - Google Patents

汽车用纳米交联tpu 材料的制备方法 Download PDF

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CN106380566A
CN106380566A CN201610747956.7A CN201610747956A CN106380566A CN 106380566 A CN106380566 A CN 106380566A CN 201610747956 A CN201610747956 A CN 201610747956A CN 106380566 A CN106380566 A CN 106380566A
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张玉国
李君臣
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Shandong Keli Beauty Industry Co Ltd
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Abstract

本发明涉及一种汽车用纳米交联TPU材料的制备方法，属于聚氨酯材料技术领域。所述的制备方法是先采用间歇法合成造粒一个比所需制品软的A料，且在A料中加入纳米改性剂和交联剂，再采用连续法合成造粒一个比所需制品硬的B料，然后再混配成所需硬度的汽车用纳米交联TPU材料。本发明的制备方法解决了普通TPU加工良品少、质量差的问题和CPU加工成本高、效率低的问题，具有生产效率高、制品质量好、生产成本低、制品良品率高的特点，注塑加工难度低，得到的制品的总体性能优良，在应用中完全能够代替部分CPU材料，同时能够高效率生产汽车行业用聚氨酯橡胶件。

Description

汽车用纳米交联TPU材料的制备方法
技术领域
本发明涉及一种汽车用纳米交联TPU材料的制备方法，属于聚氨酯技术领域。
背景技术
目前，应用于汽车行业的高档聚氨酯密封圈、缓冲块、轴套等多为CPU材料，虽然CPU材料的性能良好，但加工成本远高于TPU材料，热塑性聚氨酯弹性体(TPU)是由多异氰酸酯和带有羟基的聚醚或聚酯二元醇或低分子二元醇扩链剂相互反应而合成的线性高聚物，兼具塑料加工工艺性能和橡胶的物理机械特性及强度性能，同时，也有少数企业直接采用普通TPU材料来加工汽车行业用聚氨酯橡胶件，虽然成本低，但却存在良品率低、质量差、使用寿命短的问题。
发明内容
本发明的目的是提供一种汽车用纳米交联TPU材料的制备方法，解决了普通TPU加工良品少、质量差的问题和CPU加工成本高、效率低的问题，具有生产效率高、质量好、生产成本低、良品率高的特点。
本发明所述的汽车用纳米交联TPU材料的制备方法，包括以下步骤：
(1)间歇法合成造粒A料：
先将抗氧剂1010和纳米改性剂加入到聚酯多元醇中，加热至90℃溶解，再将1,4-丁二醇和二异氰酸酯的温度分别持温在50℃和60-110℃，然后将以上物料加入到浇注机中混合进行反应，将反应得到的料块在90℃下熟化24h，经粉碎后，将其与过氧化物交联剂DCP混合加入到螺杆机中进行造粒，得到A料；
(2)连续法合成造粒B料：
先将抗氧剂1010、润滑剂E蜡、辛酸亚锡T9锡催化剂加入到聚酯多元醇中，加热至90℃溶解，再将1,4-丁二醇和二异氰酸酯的温度分别持温在50℃和60-110℃，然后将以上物料直接通过浇注机浇注到反应型双螺杆挤出机中进行反应造粒，得到B料；
(3)注塑加工：
将A料与B料在热风下进行干燥，经配混注塑加工后，得到汽车用纳米交联TPU材料。
其中：
所述的步骤(1)和步骤(2)中的聚酯多元醇为PBA 2000、PBA 3000、PCL 2000、PHA2000、PHA 3000中的任意一种，二异氰酸酯为MDI、PPDI、NDI中的任意一种。
所述的步骤(1)中A料中各组分的质量百分数组成如下：
度低，得到的制品的总体性能优良，在应用中完全能够代替部分CPU材料，同时能够高效率生产汽车行业用聚氨酯橡胶件。
附图说明
图1是本发明中间歇法合成造粒A料的工艺流程图；
图2是本发明中连续法合成造粒B料的工艺流程图。
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
汽车用纳米交联TPU材料的制备方法包括以下步骤：
(1)间歇法合成造粒A料：
先将抗氧剂1010和纳米改性剂SCA加入到PHA 2000中，加热至90℃溶解，再将1,4-丁二醇和MDI的温度分别持温在50℃和60℃，然后将以上物料加入到浇注机中混合进行反应，将反应得到的料块在90℃下熟化24h，经粉碎后，将其与过氧化物交联剂DCP混合加入到螺杆机中进行造粒，得到A料；
A料中各组分的质量百分数组成如下：
(2)连续法合成造粒B料：
先将抗氧剂1010、润滑剂E蜡、辛酸亚锡T9锡催化剂加入到PHA 2000中，在90℃下溶解，再将1,4-丁二醇和MDI的温度分别持温在50℃和60℃，然后将以上物料直接通过浇注机浇注到反应型双螺杆挤出机中进行反应造粒，得到B料；
B料中各组分的质量百分数组成如下：
汽车用纳米交联TPU材料的制备方法包括以下步骤：
(1)间歇法合成造粒A料：
先将抗氧剂1010和纳米改性剂SCA加入到PCL 2000中，加热至90℃溶解，再将1,4-丁二醇和MDI的温度分别持温在50℃和60℃，然后将以上物料加入到浇注机中混合进行反应，将反应得到的料块在90℃下熟化24h，经粉碎后，将其与过氧化物交联剂DCP混合加入到螺杆机中进行造粒，得到A料；
A料中各组分的质量百分数组成如下：
(2)连续法合成造粒B料：
先将抗氧剂1010、润滑剂E蜡、辛酸亚锡T9锡催化剂加入到PCL 2000中，在90℃下溶解，再将1,4-丁二醇和MDI的温度分别持温在50℃和60℃，然后将以上物料直接通过浇注机浇注到反应型双螺杆挤出机中进行反应造粒，得到B料；
B料中各组分的质量百分数组成如下：
(3)注塑加工：
将A料与B料在90-110℃的热风下干燥2-6h，配混后在190-230℃下进行注塑加工，得到汽车用纳米交联TPU材料。

Claims (4)

1.一种汽车用纳米交联TPU材料的制备方法，其特征在于：包括以下步骤：
(1)间歇法合成造粒A料：
先将抗氧剂1010和纳米改性剂加入到聚酯多元醇中，加热至90℃溶解，再将1,4-丁二醇和二异氰酸酯的温度分别持温在50℃和60-110℃，然后将以上物料加入到浇注机中混合进行反应，将反应得到的料块在90℃下熟化24h，经粉碎后，将其与过氧化物交联剂DCP混合加入到螺杆机中进行造粒，得到A料；
(2)连续法合成造粒B料：
先将抗氧剂1010、润滑剂E蜡、辛酸亚锡T9锡催化剂加入到聚酯多元醇中，加热至90℃溶解，再将1,4-丁二醇和二异氰酸酯的温度分别持温在50℃和60-110℃，然后将以上物料直接通过浇注机浇注到反应型双螺杆挤出机中进行反应造粒，得到B料；
(3)注塑加工：
将A料与B料在热风下进行干燥，经配混注塑加工后，得到汽车用纳米交联TPU材料；
其中，所述步骤(1)和步骤(2)中的聚酯多元醇为PBA 2000、PBA 3000、PCL 2000、PHA2000、PHA 3000中的任意一种，二异氰酸酯为MDI、PPDI、NDI中的任意一种。
2.根据权利要求1所述的汽车用纳米交联TPU材料的制备方法，其特征在于：步骤(1)中A料中各组分的质量百分数组成如下：
3.根据权利要求1所述的汽车用纳米交联TPU材料的制备方法，其特征在于：步骤(2)中B料中各组分的质量百分数组成如下：
4.根据权利要求1所述的汽车用纳米交联TPU材料的制备方法，其特征在于：步骤(1)中纳米改性剂的牌号为SCA，生产厂家为北京北清联科纳米塑胶有限公司。
CN201610747956.7A 2016-08-29 2016-08-29 汽车用纳米交联tpu材料的制备方法 Active CN106380566B (zh)

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CN102151498A (zh) * 2011-03-16 2011-08-17 何善媛 纳米交联pvdf/pu共混中空纤维超滤膜及制备方法
CN102796238A (zh) * 2012-09-03 2012-11-28 武汉科技大学 海泡石/聚氨酯纳米复合材料及其制备方法
CN103663043A (zh) * 2013-12-03 2014-03-26 杨文君 一种慢回弹聚氨酯缓冲器及其成型工艺
CN104558489A (zh) * 2014-12-24 2015-04-29 浙江华峰氨纶股份有限公司 铁路道砟用聚氨酯软泡材料及其制备方法
CN105732927A (zh) * 2016-02-23 2016-07-06 上海华峰材料科技研究院（有限合伙） 铝合金门窗用聚氨酯复合材料及制备方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102151498A (zh) * 2011-03-16 2011-08-17 何善媛 纳米交联pvdf/pu共混中空纤维超滤膜及制备方法
CN102796238A (zh) * 2012-09-03 2012-11-28 武汉科技大学 海泡石/聚氨酯纳米复合材料及其制备方法
CN103663043A (zh) * 2013-12-03 2014-03-26 杨文君 一种慢回弹聚氨酯缓冲器及其成型工艺
CN104558489A (zh) * 2014-12-24 2015-04-29 浙江华峰氨纶股份有限公司 铁路道砟用聚氨酯软泡材料及其制备方法
CN105732927A (zh) * 2016-02-23 2016-07-06 上海华峰材料科技研究院（有限合伙） 铝合金门窗用聚氨酯复合材料及制备方法

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