CN104650454A - 一种改性芳纶纤维增强聚丙烯复合材料制备方法 - Google Patents
一种改性芳纶纤维增强聚丙烯复合材料制备方法 Download PDFInfo
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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 31
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 31
- -1 polypropylene Polymers 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000002131 composite material Substances 0.000 title abstract 6
- 238000012986 modification Methods 0.000 claims abstract description 15
- 230000004048 modification Effects 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 17
- 150000001875 compounds Chemical class 0.000 claims description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000007822 coupling agent Substances 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 6
- 239000010452 phosphate Substances 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000006424 Flood reaction Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 3
- 238000007731 hot pressing Methods 0.000 claims description 3
- 239000003112 inhibitor Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 abstract description 2
- 239000004760 aramid Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000003335 steric effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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Abstract
一种改性芳纶纤维增强聚丙烯复合材料制备方法，属于塑料制备领域。提供一种力学性能良好的改性芳纶纤维增强聚丙烯复合材料制备方法。所述方法芳纶纤维的表面改性和芳纶纤维增强聚丙烯复合材料制备两步骤制备出改性芳纶纤维增强聚丙烯复合材料。采用该方法制备的改性芳纶纤维增强聚丙烯复合材料，其拉伸强度达到67.8MPa，缺口冲击强度为30kJ/m2。
Description
技术领域
本发明属于塑料制备领域。
背景技术
聚丙烯(PP)综合性能良好，且密度低，产量高，化学稳定性好，易于加工成型和回收利用，广泛应用干家电、汽车、包装，建筑等行业。随着科技的发展．对材料的要求越来越高，迫切需要对其力学性能进步改善。目前，主要采用玻璃纤维或玻璃纤维毡作为PP的增强材料，提高PP材料的力学性能。然而，芳纶纤维是较玻璃纤维性能更为优越的一种有机纤维，其对PP材料力学性能的增强改性报道却十分少见。芳纶纤维表面光滑，苯环位阻效应大，活性基团少，敞与基体树脂的界面黏结性很不理想。
发明内容
本发明的目的是提供一种力学性能良好的改性芳纶纤维增强聚丙烯复合材料制备方法。
本发明通过以下技术方案予以实现：一种改性芳纶纤维增强聚丙烯复合材料制备方法，包括芳纶纤维的表面改性和芳纶纤维增强聚丙烯复合材料制备两步骤；
所述芳纶纤维的表面改性步骤为，先将芳纶纤维置于O.5％的氢氧化钠溶液中浸泡1h后．再置入丙酮溶液中浸泡12h，以除去纤维的表面附着物，然后取出烘干备用。以乙醇水为溶剂，按比例配成磷酸酯偶联剂的醇水溶液，水含量10％，偶联剂含量10％，控制溶液的pH值为4～5，持续搅拌至溶液完全透明，将清洗后的芳纶纤维置于配好的磷酸酯偶联剂溶液中浸渍1h取出，放在80℃真空干燥箱中进行焙烘，进一步完善表面接枝反应，4h后取出置于密封袋中保存；
所述芳纶纤维增强聚丙烯复合材料制备步骤为，将一定量的改性芳纶纤维、抗氧剂与聚丙烯（PP）在塑炼机中熔融共混(170℃)，芳纶纤维环梁20%，然后在平板硫化机中热压成型，冷却成为板材，热压压力4MPa，温度190～200℃，时间5～6min，得到芳纶纤维增强PP复合材料。
本发明具有如下有益效果：
采用该方法制备的改性芳纶纤维增强聚丙烯复合材料，其拉伸强度达到67.8MPa，缺口冲击强度为30kJ/m2。
具体实施方式
下面结合具体实施例对本发明做进一步说明。
具体实施例：本发明所述制备过程包括芳纶纤维的表面改性和芳纶纤维增强聚丙烯复合材料制备两步骤；
所述芳纶纤维的表面改性步骤为，先将芳纶纤维置于O.5％的氢氧化钠溶液中浸泡1h后．再置入丙酮溶液中浸泡12h，以除去纤维的表面附着物，然后取出烘干备用。以乙醇水为溶剂，按比例配成磷酸酯偶联剂的醇水溶液，水含量10％，偶联剂含量10％，控制溶液的pH值为4～5，持续搅拌至溶液完全透明，将清洗后的芳纶纤维置于配好的磷酸酯偶联剂溶液中浸渍1h取出，放在80℃真空干燥箱中进行焙烘，进一步完善表面接枝反应，4h后取出置于密封袋中保存；
所述芳纶纤维增强聚丙烯复合材料制备步骤为，将一定量的改性芳纶纤维、抗氧剂与聚丙烯（PP）在塑炼机中熔融共混(170℃)，芳纶纤维环梁20%，然后在平板硫化机中热压成型，冷却成为板材，热压压力4MPa，温度190～200℃，时间5～6min，得到芳纶纤维增强PP复合材料。
对制备的复合材料进行力学测试，其其拉伸强度达到67.8MPa，缺口冲击强度为30kJ/m2。
以上内容是结合具体的实施方式对本发明所做的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明的保护范围。
Claims (1)
1.一种改性芳纶纤维增强聚丙烯复合材料制备方法，其特征在于：包括芳纶纤维的表面改性和芳纶纤维增强聚丙烯复合材料制备两步骤；
所述芳纶纤维的表面改性步骤为，先将芳纶纤维置于O.5％的氢氧化钠溶液中浸泡1h后．再置入丙酮溶液中浸泡12h，然后取出烘干备用；以乙醇水为溶剂，按比例配成磷酸酯偶联剂的醇水溶液，水含量10％，偶联剂含量10％，控制溶液的pH值为4～5，持续搅拌至溶液完全透明，将清洗后的芳纶纤维置于配好的磷酸酯偶联剂溶液中浸渍1h取出，放在80℃真空干燥箱中进行焙烘，进一步完善表面接枝反应，4h后取出置于密封袋中保存；
所述芳纶纤维增强聚丙烯复合材料制备步骤为，将一定量的改性芳纶纤维、抗氧剂与聚丙烯（PP）在塑炼机中熔融共混(170℃)，芳纶纤维环梁20%，然后在平板硫化机中热压成型，冷却成为板材，热压压力4MPa，温度190～200℃，时间5～6min，得到芳纶纤维增强PP复合材料。
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105755801A (zh) * | 2016-04-19 | 2016-07-13 | 陕西科技大学 | 一种聚酰胺纤维表面羟基化改性的方法 |
| CN108244758A (zh) * | 2018-01-25 | 2018-07-06 | 温州鑫彩鸿安防科技有限公司 | 一种防刺穿安全鞋及其制造方法 |
| CN110183788A (zh) * | 2019-06-26 | 2019-08-30 | 保定威尔达节能科技有限公司 | 一种防火聚苯板及其生产工艺 |
| CN110804300A (zh) * | 2019-11-22 | 2020-02-18 | 浙江金木泵业有限公司 | 一种叶轮用耐磨材料及其制备方法 |
| CN110964248A (zh) * | 2019-11-29 | 2020-04-07 | 苏州润佳高分子材料有限公司 | 汽车用软触感聚丙烯复合材料 |
| CN112341704A (zh) * | 2020-10-26 | 2021-02-09 | 嘉兴学院 | 一种Ti3C2及芳纶短纤维增强聚丙烯复合材料及其制备方法 |
| CN113121919A (zh) * | 2021-03-30 | 2021-07-16 | 盘锦海兴科技股份有限公司 | 一种芳纶纤维增强聚丙烯母粒及其制备方法 |
| CN113150442A (zh) * | 2021-04-16 | 2021-07-23 | 重庆理工大学 | 高模量低密度聚丙烯复合材料及其制备方法 |
-
2014
- 2014-12-11 CN CN201410754414.3A patent/CN104650454A/zh active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105755801A (zh) * | 2016-04-19 | 2016-07-13 | 陕西科技大学 | 一种聚酰胺纤维表面羟基化改性的方法 |
| CN105755801B (zh) * | 2016-04-19 | 2019-04-09 | 陕西科技大学 | 一种聚酰胺纤维表面羟基化改性的方法 |
| CN108244758A (zh) * | 2018-01-25 | 2018-07-06 | 温州鑫彩鸿安防科技有限公司 | 一种防刺穿安全鞋及其制造方法 |
| CN110183788A (zh) * | 2019-06-26 | 2019-08-30 | 保定威尔达节能科技有限公司 | 一种防火聚苯板及其生产工艺 |
| CN110804300A (zh) * | 2019-11-22 | 2020-02-18 | 浙江金木泵业有限公司 | 一种叶轮用耐磨材料及其制备方法 |
| CN110964248A (zh) * | 2019-11-29 | 2020-04-07 | 苏州润佳高分子材料有限公司 | 汽车用软触感聚丙烯复合材料 |
| CN112341704A (zh) * | 2020-10-26 | 2021-02-09 | 嘉兴学院 | 一种Ti3C2及芳纶短纤维增强聚丙烯复合材料及其制备方法 |
| CN112341704B (zh) * | 2020-10-26 | 2022-06-21 | 嘉兴学院 | 一种Ti3C2及芳纶短纤维增强聚丙烯复合材料及其制备方法 |
| CN113121919A (zh) * | 2021-03-30 | 2021-07-16 | 盘锦海兴科技股份有限公司 | 一种芳纶纤维增强聚丙烯母粒及其制备方法 |
| CN113121919B (zh) * | 2021-03-30 | 2023-12-19 | 盘锦海兴科技股份有限公司 | 一种芳纶纤维增强聚丙烯母粒及其制备方法 |
| CN113150442A (zh) * | 2021-04-16 | 2021-07-23 | 重庆理工大学 | 高模量低密度聚丙烯复合材料及其制备方法 |
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Application publication date: 20150527 |