CN109605883A - 一种防水减震发泡复合材料 - Google Patents

一种防水减震发泡复合材料 Download PDF

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CN109605883A
CN109605883A CN201811111914.XA CN201811111914A CN109605883A CN 109605883 A CN109605883 A CN 109605883A CN 201811111914 A CN201811111914 A CN 201811111914A CN 109605883 A CN109605883 A CN 109605883A
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陈阿珍
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    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0221—Vinyl resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0221—Vinyl resin
    • B32B2266/0235—Vinyl halide, e.g. PVC, PVDC, PVF, PVDF
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    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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Abstract

本发明公开了一种防水减震发泡复合材料，属于树脂发泡复合材料技术领域。它通过以下步骤制备而成：初混物的获取：按重量份将6‑12份导热材料加入40‑100份密度为基体树脂获得初混物；通过原料工混改性塑化挤出造粒：向所述初混物中按重量份添加2‑8份阻燃剂、6‑10份软化增塑剂、3‑7份增韧剂、1‑4份偶联剂和0.6‑1.2份抗氧剂共混改性塑化，挤出造粒获得第一粒子；再混发泡：按重量份将15‑25份脂肪醇聚氧乙烯醚硫酸钠与所述第一粒子以及30‑70份基体树脂中的一种或多种混合，挤出发泡制得发泡材料，然后通过胶水在所述发泡材料上依次按顺序复合半开孔发泡材料层和防潮膜层形成高散热防水减震材料。本发明材料具有高导热率，并且防水减震。

Description

一种防水减震发泡复合材料
技术领域
本发明属于树脂发泡复合材料技术领域，具体涉及一种防水减震发泡复合材料。
背景技术
现有技术中常用epe、eva、ixpe、xpe、橡胶发泡材料等作为发泡材料，此类产品具有保温隔热作用，但是导热性能差，在很多应用领域受到了局限，并且能耗高。
CN101974208A(2011-2-16)公开了一种高导热树脂组合物及使用其制作的高导热覆金属箔板，然而该材料的散热性仍有待改善。
发明内容
本发明针对现有技术的状况，克服上述缺陷，提供一种防水减震发泡复合材料。
本发明采用以下技术方案，所述一种防水减震发泡复合材料，它是通过以下步骤制成；
S1：初混物的获取，按重量份将6-12份导热材料加入35-95份密度为0.900～0.915克/立方厘米的低密度聚乙烯、密度为0.918～0.935克/立方厘米的线性低密度聚乙烯或乙烯-醋酸乙烯共聚物中的一种或多种混合均匀获得初混物；
S2：通过原料工混改性塑化挤出造粒，向所述初混物中按重量份添加2-8份阻燃剂、6-10份软化增塑剂、3-7份增韧剂、1-4份偶联剂和0.6-1.2份抗氧剂共混改性塑化，挤出造粒获得第一粒子；所述偶联剂为硅烷偶联剂、铝酸酯偶联剂或铝钛复合偶联剂；所述抗氧剂为按重量比3-4:6-7混合而成的酚类主抗氧剂1010和辅助抗氧剂168的混合物；
S3：再混发泡：按重量份将15-25份脂肪醇聚氧乙烯醚硫酸钠或偶氮化合物中的一种或两种与所述第一粒子以及30-70份密度为0.900～0.915克/立方厘米的低密度聚乙烯、密度为0.940～0.978克/立方厘米的高密度聚乙烯、密度为0.918～0.935克/立方厘米的线性低密度聚乙烯或乙烯-醋酸乙烯共聚物中的一种或多种在温度为180-200℃下混合成型后，对型材进行电子辐照交联改性，辐照剂量为20-40KGy，辐照交联后放置24-30h，然后在温度为220-245℃下加热5-10min后挤出发泡；
S4：复合：通过胶水在所述发泡材料上依次按顺序复合半开孔发泡材料层和防潮膜层形成高散热防水减震材料；所述半开孔发泡材料层为半开孔EPDM发泡海绵层、半开孔PVC发泡材料层或聚乙烯改性材料层。
作为上述技术方案的进一步改进，步骤S1中所述导热材料为氧化铝粉末、石墨、氧化镁、硅酸钙、铜粉、氮化铝中的一种或多种。
作为上述技术方案的进一步改进，步骤S3中所述偶氮化合物为偶氮二甲酰胺或偶氮二异丁腈。
作为上述技术方案的进一步改进，步骤S4中所述胶水由以下重量份数的原料组成：苯酐25-35份、三乙二醇10-12份、戊二酸15-18份、丁三醇8-10份、锌氧粉5-7份、氧化镁3-5份、氯丁橡胶15-25份、弹力胶70-95份、软化油2-3份、碳酸二甲酯15-20份、乙苯20-30份、阻燃剂1-3份。
作为上述技术方案的进一步改进，所述防潮膜层为PE膜或铝膜或金属防潮纸层。
作为上述技术方案的进一步改进，所述聚乙烯改性材料层由以下重量份数的原料组成：聚乙烯30-75份、锌氧粉10-40份、氧化镁8-25份、玻璃纤维10-15份、过氧化二异苯丙交联剂0.8-1.5份、硬脂酸活性润滑剂1-2份。
作为上述技术方案的进一步改进，所述聚乙烯改性隔音材料的制备方法依次包括以下步骤：
原料准备：聚乙烯30-75份、锌氧粉10-40份、氧化镁8-25份、玻璃纤维10-15份、过氧化二异苯丙交联剂0.8-1.5份、硬脂酸活性润滑剂1-2份；
初混：将所述交联剂、锌氧粉、氧化镁和玻璃纤维混合，获得初混反应物；
全混：将所述初混反应物与所述聚乙烯和润滑剂混合获得全混混合物；
密炼成型：将所述全混混合物在温度为160-180℃、压力为40-50MPa下密炼成型。
作为上述技术方案的进一步改进，所述软化增塑剂为邻苯二甲酸二辛酯、氯化石蜡或环烷油中的一种或多种。
本发明公开的一种防水减震发泡复合材料，其有益效果在于，克服了传统发泡材料不能同时具有高导热性和防水减震功能性能的缺点；在直接有效的提高发泡类产品的导热性的基础上，能同时保留发泡材料的防水、减震作用，扩大了产品应用领域；通过初混和塑化造粒有助于后续的再混发泡，能够同时提高材料的导热性和抗震防水性，这还有可能是特定的原料和辅料的配方以及添加顺序发挥了协同增效作用，使低密度聚乙烯、高密度聚乙烯、线性低密度聚乙烯或乙烯-醋酸乙烯共聚物(简称基体树脂)分子链之间相互缠绕，通过增韧剂、偶联剂、抗氧剂和发泡剂调节其相容性和抗氧性，改善了材料加工性能，使制备所得的高散热防水减震材料具有优异的防水减震功能以及阻燃性；半开孔发泡材料是指材料中的孔洞之间不完全相通；通过在发泡材料上复合半开孔发泡材料层和防潮膜层，使材料的导热性和防水性能进一步增加；尤其可应用到对散热要求高的电子产品中。
具体实施方式
本发明公开了一种防水减震发泡复合材料，下面结合优选实施例，对本发明的具体实施方式作进一步描述。
一种防水减震发泡复合材料，它是通过以下步骤制成；
S1：初混物的获取，按重量份将6-12份导热材料加入35-95份密度为0.900～0.915克/立方厘米的低密度聚乙烯、密度为0.918～0.935克/立方厘米的线性低密度聚乙烯或乙烯-醋酸乙烯共聚物中的一种或多种混合均匀获得初混物；
S2：通过原料工混改性塑化挤出造粒，向所述初混物中按重量份添加2-8份阻燃剂、6-10份软化增塑剂、3-7份增韧剂、1-4份偶联剂和0.6-1.2份抗氧剂共混改性塑化，挤出造粒获得第一粒子；所述偶联剂为硅烷偶联剂、铝酸酯偶联剂或铝钛复合偶联剂；所述抗氧剂为按重量比3-4:6-7混合而成的酚类主抗氧剂1010和辅助抗氧剂168的混合物；
S3：再混发泡：按重量份将15-25份脂肪醇聚氧乙烯醚硫酸钠或偶氮化合物中的一种或两种与所述第一粒子以及30-70份密度为0.900～0.915克/立方厘米的低密度聚乙烯、密度为0.940～0.978克/立方厘米的高密度聚乙烯、密度为0.918～0.935克/立方厘米的线性低密度聚乙烯或乙烯-醋酸乙烯共聚物中的一种或多种在温度为180-200℃下混合成型后，对型材进行电子辐照交联改性，辐照剂量为20-40KGy，辐照交联后放置24-30h，然后在温度为220-245℃下加热5-10min后挤出发泡；
S4：复合：通过胶水在所述发泡材料上依次按顺序复合半开孔发泡材料层和防潮膜层形成高散热防水减震材料；所述半开孔发泡材料层为半开孔EPDM发泡海绵层、半开孔PVC发泡材料层或聚乙烯改性材料层。
优选地，步骤S1中所述导热材料为氧化铝粉末、石墨、氧化镁、硅酸钙、铜粉、氮化铝中的一种或多种。
优选地，步骤S3中所述偶氮化合物为偶氮二甲酰胺或偶氮二异丁腈。
优选地，步骤S4中所述胶水由以下重量份数的原料组成：苯酐25-35份、三乙二醇10-12份、戊二酸15-18份、丁三醇8-10份、锌氧粉5-7份、氧化镁3-5份、氯丁橡胶15-25份、弹力胶70-95份、软化油2-3份、碳酸二甲酯15-20份、乙苯20-30份、阻燃剂1-3份。
优选地，所述防潮膜层为PE膜或铝膜或金属防潮纸层。
优选地，所述聚乙烯改性材料层由以下重量份数的原料组成：聚乙烯30-75份、锌氧粉10-40份、氧化镁8-25份、玻璃纤维10-15份、过氧化二异苯丙交联剂0.8-1.5份、硬脂酸活性润滑剂1-2份。
优选地，所述聚乙烯改性隔音材料的制备方法依次包括以下步骤：
原料准备：聚乙烯30-75份、锌氧粉10-40份、氧化镁8-25份、玻璃纤维10-15份、过氧化二异苯丙交联剂0.8-1.5份、硬脂酸活性润滑剂1-2份；
初混：将所述交联剂、锌氧粉、氧化镁和玻璃纤维混合，获得初混反应物；
全混：将所述初混反应物与所述聚乙烯和润滑剂混合获得全混混合物；
密炼成型：将所述全混混合物在温度为160-180℃、压力为40-50MPa下密炼成型。
优选地，所述软化增塑剂为邻苯二甲酸二辛酯、氯化石蜡或环烷油中的一种或多种。
对于本领域的技术人员而言，依然可以对前述各实施例所记载的技术方案进行修改，或对其中部分技术特征进行等同替换，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围。

Claims (8)

1.一种防水减震发泡复合材料，其特征在于，它是通过以下步骤制成；
S1：初混物的获取，按重量份将6-12份导热材料加入35-95份密度为0.900～0.915克/立方厘米的低密度聚乙烯、密度为0.918～0.935克/立方厘米的线性低密度聚乙烯或乙烯-醋酸乙烯共聚物中的一种或多种混合均匀获得初混物；
S2：通过原料工混改性塑化挤出造粒，向所述初混物中按重量份添加2-8份阻燃剂、6-10份软化增塑剂、3-7份增韧剂、1-4份偶联剂和0.6-1.2份抗氧剂共混改性塑化，挤出造粒获得第一粒子；所述偶联剂为硅烷偶联剂、铝酸酯偶联剂或铝钛复合偶联剂；所述抗氧剂为按重量比3-4:6-7混合而成的酚类主抗氧剂1010和辅助抗氧剂168的混合物；
S3：再混发泡：按重量份将15-25份脂肪醇聚氧乙烯醚硫酸钠或偶氮化合物中的一种或两种与所述第一粒子以及30-70份密度为0.900～0.915克/立方厘米的低密度聚乙烯、密度为0.940～0.978克/立方厘米的高密度聚乙烯、密度为0.918～0.935克/立方厘米的线性低密度聚乙烯或乙烯-醋酸乙烯共聚物中的一种或多种在温度为180-200℃下混合成型后，对型材进行电子辐照交联改性，辐照剂量为20-40KGy，辐照交联后放置24-30h，然后在温度为220-245℃下加热5-10min后挤出发泡；
S4：复合：通过胶水在所述发泡材料上依次按顺序复合半开孔发泡材料层和防潮膜层形成高散热防水减震材料；所述半开孔发泡材料层为半开孔EPDM发泡海绵层、半开孔PVC发泡材料层或聚乙烯改性材料层。
2.根据权利要求1所述的一种防水减震发泡复合材料，其特征在于，步骤S1中所述导热材料为氧化铝粉末、石墨、氧化镁、硅酸钙、铜粉、氮化铝中的一种或多种。
3.根据权利要求1所述的一种防水减震发泡复合材料，其特征在于，步骤S3中所述偶氮化合物为偶氮二甲酰胺或偶氮二异丁腈。
4.根据权利要求1所述的一种防水减震发泡复合材料，其特征在于，步骤S4中所述胶水由以下重量份数的原料组成：苯酐25-35份、三乙二醇10-12份、戊二酸15-18份、丁三醇8-10份、锌氧粉5-7份、氧化镁3-5份、氯丁橡胶15-25份、弹力胶70-95份、软化油2-3份、碳酸二甲酯15-20份、乙苯20-30份、阻燃剂1-3份。
5.根据权利要求1所述的一种防水减震发泡复合材料，其特征在于，所述防潮膜层为PE膜或铝膜或金属防潮纸层。
6.根据权利要求1所述的一种防水减震发泡复合材料，其特征在于，所述聚乙烯改性材料层由以下重量份数的原料组成：聚乙烯30-75份、锌氧粉10-40份、氧化镁8-25份、玻璃纤维10-15份、过氧化二异苯丙交联剂0.8-1.5份、硬脂酸活性润滑剂1-2份。
7.根据权利要求6所述的一种防水减震发泡复合材料，其特征在于，所述聚乙烯改性隔音材料的制备方法依次包括以下步骤：
原料准备：聚乙烯30-75份、锌氧粉10-40份、氧化镁8-25份、玻璃纤维10-15份、过氧化二异苯丙交联剂0.8-1.5份、硬脂酸活性润滑剂1-2份；
初混：将所述交联剂、锌氧粉、氧化镁和玻璃纤维混合，获得初混反应物；
全混：将所述初混反应物与所述聚乙烯和润滑剂混合获得全混混合物；
密炼成型：将所述全混混合物在温度为160-180℃、压力为40-50MPa下密炼成型。
8.根据权利要求1所述的一种防水减震发泡复合材料，其特征在于，所述软化增塑剂为邻苯二甲酸二辛酯、氯化石蜡或环烷油中的一种或多种。
CN201811111914.XA 2018-09-25 2018-09-25 一种防水减震发泡复合材料 Pending CN109605883A (zh)

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