本文選題：馬來酸酐 + 硅烷偶聯(lián)劑��； 參考：《長春工業(yè)大學(xué)》2015年碩士論文

【摘要】：本文以聚已內(nèi)酰胺(尼龍6)為原料利用硅烷偶聯(lián)劑處理過的玻璃纖維進(jìn)行增強(qiáng)改性研究制備了玻璃纖維增強(qiáng)尼龍6復(fù)合材料(GF/PA6)。1、采用同一處理?xiàng)l件分別應(yīng)用KH550、KH560、KH570、KH792、DL602五種不同種類的偶聯(lián)劑對(duì)玻璃纖維進(jìn)行處理考察了偶聯(lián)劑種類對(duì)復(fù)合材料力學(xué)性能的影響。結(jié)果表明硅烷偶聯(lián)劑可以附著在玻璃纖維表面偶聯(lián)劑處理液種類對(duì)處理效果有影響。不同型號(hào)的硅烷偶聯(lián)劑處理后的玻璃纖維制備的復(fù)合材料的性能不同在考察的五種偶聯(lián)劑中經(jīng)過KH550處理的復(fù)合材料彈性模量和斷裂強(qiáng)度最大。硅烷處理液種類對(duì)復(fù)合材料的沖擊強(qiáng)度影響不大。2、采用同一種硅烷偶聯(lián)劑KH550考察硅烷偶聯(lián)劑處理液的濃度對(duì)復(fù)合材料力學(xué)性能的影響結(jié)果表明,硅烷偶聯(lián)劑可以附著在玻璃纖維表面硅烷偶聯(lián)劑處理液濃度對(duì)處理效果有影響。PA6/GF復(fù)合材料的彈性模量和斷裂強(qiáng)度隨玻璃纖維處理液濃度升高先增加后降低硅烷處理液濃度為1.5%時(shí)出現(xiàn)最大值。硅烷處理液濃度對(duì)復(fù)合材料的沖擊強(qiáng)度影響不大。3、通過硅烷偶聯(lián)劑作為連接橋梁研究了馬來酸酐(MAH)接枝玻璃纖維(GF)使之生成MAH-KH570-GF與PA6共混制備了玻璃纖維增強(qiáng)尼龍6復(fù)合材料(PA6/GF)�？疾炝笋R來酸酐對(duì)復(fù)合材料力學(xué)性能的影響。結(jié)果表明MAH與GF發(fā)生化學(xué)反應(yīng)復(fù)合材料彈性模量和斷裂強(qiáng)度均得到提高GF表面的處理對(duì)其沖擊強(qiáng)度影響不大。
[Abstract]:In this paper, the glass fiber reinforced nylon 6 composite material was prepared by using polycaprolactam (nylon 6) as raw material and silane coupling agent was used to strengthen and modify the glass fiber. The glass fiber reinforced nylon 6 composite material was prepared. Five kinds of glass fiber reinforced nylon 6 composites were prepared under the same treatment conditions. The effects of different kinds of coupling agents on the mechanical properties of the composites were investigated. The results show that silane coupling agent can be attached to the surface of glass fiber. The properties of fiberglass composites treated with different types of silane coupling agents were different. The elastic modulus and fracture strength of the composites treated with KH550 were the largest among the five coupling agents investigated. The type of silane treatment solution had little effect on the impact strength of the composite. The effect of the concentration of silane coupling agent on the mechanical properties of the composite was investigated by using the same silane coupling agent KH550. Silane coupling agent can be attached to the surface of glass fiber. The concentration of silane coupling agent treatment has an effect on the treatment effect. The elastic modulus and fracture strength of PA6 / GF composites increase first and then decrease with the increase of glass fiber concentration. The maximum value was found when the concentration of liquid was 1.5. The concentration of silane treatment solution had little effect on the impact strength of the composite. By using silane coupling agent as the bridge, the maleic anhydride (MAH) grafted glass fiber (GFF) was prepared to form MAH-KH570-GF and PA6 blend to prepare glass fiber reinforced nylon 6 composite (PA6 / GFN). The effect of maleic anhydride on the mechanical properties of composites was investigated. The results show that the surface treatment of GF has little effect on the impact strength of MAH / GF composites when their elastic modulus and fracture strength are improved.
【學(xué)位授予單位】：長春工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TB332

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本文編號(hào)：1870555