CN113400685A - 一种拉挤成型聚氨酯纤维增强复合材料的制备方法 - Google Patents
一种拉挤成型聚氨酯纤维增强复合材料的制备方法 Download PDFInfo
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Abstract
一种拉挤成型聚氨酯纤维增强复合材料的制备方法，将质量分数为50—85％的经过浸润剂烘干的玻璃纤维，通过聚氨酯树脂注胶系统将即时合成的聚氨酯树脂以高压的方式注入到模具的注胶浸透区内，使位于注胶浸透区内的连续纤维被高压的聚氨酯树脂完全浸透，得到预成型的连续纤维增强复合材料。本发明实现对聚氨酯粘度实时控制，从而保证纤维良好浸渍。
Description
技术领域
本发明涉及复合材料技术领域，具体涉及一种拉挤成型聚氨酯纤维增强复合材料的制备方法。
背景技术
目前市场上玻璃纤维增强复合材料主要是一种以玻璃纤维与聚氨酯为基体材料的复合材料。作为复合材料的一种，玻璃纤维增强复合材料因其独特的性能优势，在航空航天、铁道铁路、装饰建筑、家居家具、建材卫浴和环卫工程等等相关行业中得到了广泛应用。
发明内容
本发明的目的在于提供一种拉挤成型聚氨酯纤维增强复合材料的制备方法，将质量分数为50—85％的经过浸润剂烘干切割后的玻璃纤维的头部穿过模具，通过聚氨酯树脂注胶系统将即时合成的聚氨酯树脂以高压的方式注入到模具的注胶浸透区内，使位于注胶浸透区内的连续纤维被高压的聚氨酯树脂完全浸透，得到预成型的连续纤维增强复合材料；
所述浸润剂由偶联剂、润滑剂、成膜剂A、成膜剂B、抗静电剂、pH调节剂和去离子水组成，各组分的质量用量占浸润剂总质量的百分比表示如下：偶联剂1-8％、润滑剂1-15％、成膜剂A为1-8％、成膜剂B为2-16％、成膜剂C为2-18％；抗静电剂1-6％、PH调节剂0.1-5.0％、其余为去离子水。
所述偶联剂为硅烷偶联剂，所述的润滑剂为阳离子润滑剂和非离子润滑剂的混合物，所述的成膜剂A为环氧改性聚酯乳液；成膜剂B为低分子量PVAC乳液；成膜剂C为脂肪族聚醚型聚氨酯树脂乳液，所述的抗静电剂为无机盐类抗静电剂。
本发明具有以下有益效果，实现对聚氨酯粘度实时控制，从而保证纤维良好浸渍，实现对聚氨酯胶凝时间的实时控制，方便对生产线的启停控制，实现对聚氨酯聚合迅速实时控制，从而提高成型速度。
具体实施方式
下面通过具体实施例对本发明的技术方案做进一步的说明，但本发明的保护范围不限于此。
本发明实施例使用的浸润剂各组分如下：所述偶联剂为甲基丙烯酰氧基硅烷偶联剂、氨基硅烷偶联剂的混合物，两者的质量比为4：1，腾蛟公司生产，产品牌号分别为KH-570、A-1100；
所述的润滑剂为水溶性的改性烷基化合物乳液，购自宜兴市中和化工有限公司，产品牌号为BX005；
所述成膜剂A为水溶性环氧乳液，宜兴市中和化工有限公司，产品代号为P-70；
所述成膜剂B为非离子型聚氨酯树脂乳液，购自意大利COIM公司，产品名称代号为BX017；
所述PH值调节剂为醋酸，购自宜兴市中和化工有限公司，产品牌号为冰醋酸。
实施例1
一种拉挤成型聚氨酯纤维增强复合材料的制备方法，将质量分数为50％的经过浸润剂烘干后的玻璃纤维的头部穿过模具，通过聚氨酯树脂注胶系统将即时合成的聚氨酯树脂以高压的方式注入到模具的注胶浸透区内，使位于注胶浸透区内的连续纤维被高压的聚氨酯树脂完全浸透，得到预成型的连续纤维增强复合材料；
所述浸润剂由偶联剂、润滑剂、成膜剂A、成膜剂B、抗静电剂、pH调节剂和去离子水组成，各组分的质量用量占浸润剂总质量的百分比表示如下：偶联剂1％、润滑剂1％、成膜剂A为1％、成膜剂B为2％、成膜剂C为2％；抗静电剂1％、PH调节剂0.1％、其余为去离子水。
所述偶联剂为硅烷偶联剂，所述的润滑剂为阳离子润滑剂和非离子润滑剂的混合物，所述的成膜剂A为环氧改性聚酯乳液；成膜剂B为低分子量PVAC乳液；成膜剂C为脂肪族聚醚型聚氨酯树脂乳液，所述的抗静电剂为无机盐类抗静电剂。
实施例2
一种拉挤成型聚氨酯纤维增强复合材料的制备方法，将质量分数为85％的经过浸润剂烘干后的玻璃纤维的头部穿过模具，通过聚氨酯树脂注胶系统将即时合成的聚氨酯树脂以高压的方式注入到模具的注胶浸透区内，使位于注胶浸透区内的连续纤维被高压的聚氨酯树脂完全浸透，得到预成型的连续纤维增强复合材料；
所述浸润剂由偶联剂、润滑剂、成膜剂A、成膜剂B、抗静电剂、pH调节剂和去离子水组成，各组分的质量用量占浸润剂总质量的百分比表示如下：偶联剂8％、润滑剂15％、成膜剂A为8％、成膜剂B为16％、成膜剂C为18％；抗静电剂6％、PH调节剂5.0％、其余为去离子水。
所述偶联剂为硅烷偶联剂，所述的润滑剂为阳离子润滑剂和非离子润滑剂的混合物，所述的成膜剂A为环氧改性聚酯乳液；成膜剂B为低分子量PVAC乳液；成膜剂C为脂肪族聚醚型聚氨酯树脂乳液，所述的抗静电剂为无机盐类抗静电剂。
通过调整组分的相对含量，可以获得性能各异的产品，实施例2效果更佳。以上是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。
Claims (3)
1.一种拉挤成型聚氨酯纤维增强复合材料的制备方法，其特征在于：将质量分数为50—85％的经过浸润剂烘干后的玻璃纤维的头部穿过模具，通过聚氨酯树脂注胶系统将即时合成的聚氨酯树脂以高压的方式注入到模具的注胶浸透区内，使位于注胶浸透区内的连续纤维被高压的聚氨酯树脂完全浸透，得到预成型的连续纤维增强复合材料。
2.如权利要求1所述的一种拉挤成型聚氨酯纤维增强复合材料的制备方法，其特征在于：所述浸润剂由偶联剂、润滑剂、成膜剂A、成膜剂B、抗静电剂、pH调节剂和去离子水组成，各组分的质量用量占浸润剂总质量的百分比表示如下：偶联剂1-8％、润滑剂1-15％、成膜剂A为1-8％、成膜剂B为2-16％、成膜剂C为2-18％；抗静电剂1-6％、PH调节剂0.1-5.0％、其余为去离子水。
3.如权利要求2所述的一种拉挤成型聚氨酯纤维增强复合材料的制备方法，其特征在于：所述偶联剂为硅烷偶联剂，所述的润滑剂为阳离子润滑剂和非离子润滑剂的混合物，所述的成膜剂A为环氧改性聚酯乳液；成膜剂B为低分子量PVAC乳液；成膜剂C为脂肪族聚醚型聚氨酯树脂乳液，所述的抗静电剂为无机盐类抗静电剂。
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080241533A1 (en) * | 2006-12-15 | 2008-10-02 | Jacob Cornelis Dijt | Sizing compositions and glass fiber reinforced thermoplastic composites |
| CN107417136A (zh) * | 2017-09-05 | 2017-12-01 | 山东玻纤集团股份有限公司 | 一种增强聚氨酯拉挤用无碱玻璃纤维直接纱浸润剂 |
| CN108943773A (zh) * | 2018-06-11 | 2018-12-07 | 苏州恒川光伏科技有限公司 | 拉挤成型聚氨酯纤维增强复合材料的制备方法 |
| CN109250926A (zh) * | 2018-11-13 | 2019-01-22 | 山东玻纤集团股份有限公司 | 一种双壁罐用无碱玻璃纤维浸润剂 |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080241533A1 (en) * | 2006-12-15 | 2008-10-02 | Jacob Cornelis Dijt | Sizing compositions and glass fiber reinforced thermoplastic composites |
| CN107417136A (zh) * | 2017-09-05 | 2017-12-01 | 山东玻纤集团股份有限公司 | 一种增强聚氨酯拉挤用无碱玻璃纤维直接纱浸润剂 |
| CN108943773A (zh) * | 2018-06-11 | 2018-12-07 | 苏州恒川光伏科技有限公司 | 拉挤成型聚氨酯纤维增强复合材料的制备方法 |
| CN109250926A (zh) * | 2018-11-13 | 2019-01-22 | 山东玻纤集团股份有限公司 | 一种双壁罐用无碱玻璃纤维浸润剂 |
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