CN108003497A - 一种吸声塑料地板及其制备方法 - Google Patents
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Abstract
本发明提供一种吸声塑料地板及其制备方法,涉及材料加工技术领域,由如下重量配比的原料制成:高分子合成橡胶30‑40份、聚氯乙烯树脂30‑70份、玻璃棉10‑20份、中空玻璃微珠3‑5份,硅烷偶联剂0.1‑5份,硬脂酸0.3‑0.5份、高聚物改性沥青3‑5份、聚合物水泥3‑5份、改性陶瓷3‑5份、发泡剂0.3‑0.5份。本发明以高分子合成橡胶、聚氯乙烯树脂、玻璃棉为主要成分,添加中空玻璃微珠、改性陶瓷、发泡剂,使塑料的吸声效果提升显著;在吸声塑料的外层包裹高聚物改性沥青、聚合物水泥的混合物,使吸声塑料的耐磨性能具有很大程度的提升;本发明提高产品品质的同时,简化了操作步骤,降低了生产成本;生产工艺及设备均比较简单,能耗低,适于工业化大生产。
Description
技术领域
本发明涉及材料加工技术领域,尤其涉及一种吸声塑料地板及其制备方法。
背景技术
随着工业的发展,噪声已经成为当今世界三大污染源之一。噪声不仅危害人的听觉系统,使人疲倦、耳聋,而且还会加速建筑物、机械结构的老化,影响设备及仪表的精度和使用寿命。噪声控制问题逐渐引起各国政府和科技工作者的重视,目前的主要解决办法是采用吸声材料进行吸声降噪处理。吸声材料按吸声机理分为多孔吸声材料和共振吸声结构材料两大类。多孔吸声材料具有高频吸声系数大、比重小等优点,但低频吸声系数低;共振吸声结构材料的低频吸声系数高,但加工性能差。当前我国所采用的吸声材料以超细玻璃棉为主,它的吸声系数大、比重小,但是强度低、性脆易断裂、易飞扬、吸尘,使其应用受到了严重限制。因此,必须开发性能优良的新型吸声材料。目前相继出现了泡沫金属、泡沫塑料、泡沫玻璃、聚氯乙烯P无机物复合泡沫等吸声材料。
关于聚氯乙烯P无机物复合泡沫有关研究已经很多。
研究者将聚氯乙烯(PVC)、增塑剂、防老剂、发泡剂等原料按配比混合均匀后,加入一定量的岩棉,然后在开放式炼塑机上进行混炼,再将混炼好的材料放入模具,在烘箱中升温发泡后得到聚氯乙烯泡沫材料这是一种既含有机物又含无机物的复合泡沫材料。这种复合泡沫在低频处吸声系数相当小。
有些研究者研究发现聚氯乙烯加入岩棉泡沫材料可以改善低频处的声音吸收,其在低频处有一吸收峰。这是因为岩棉纤维共振产生摩擦,将声能转化为热能。所以,PVCΠ岩棉复合泡沫材料极大地改善了中低频吸声性能。
进一步研究发现在聚氯乙烯和岩棉复合泡沫吸声材料中加入丁腈橡胶(NBR)后,吸声性能将发生变化。随着NBR用量的增加,高频吸声系数显著下降,而低频吸声系数有所上升。这是因为PVC发泡材料高频吸声系数高,低频吸声系数低,而NBR材料高频吸声系数低,低频吸声系数高,当两种材料共混时,吸声性能介于二者之间。PVC和NBR和岩棉复合吸声材料综合了多孔吸声材料和共振吸声材料的优点,具有低频吸声系数高、适用频率范围宽、可加工性能好、工艺简单、成本低等优点,广泛适用于工业和民用建筑等领域。其缺点是制备过程中用到岩棉,会产生纤维粉尘污染。
为解决上述问题,本发明提出一种吸声塑料地板及其制备方法。
发明内容
本发明的目的在于提供一种吸声塑料地板及其制备方法,以解决上述技术问题。
本发明为解决上述技术问题,采用以下技术方案来实现:
一种吸声塑料地板,由如下重量配比的原料制成:高分子合成橡胶30-40份、聚氯乙烯树脂30-70份、玻璃棉10-20份、中空玻璃微珠3-5份,硅烷偶联剂0.1-5份,硬脂酸0.3-0.5份、高聚物改性沥青3-5份、聚合物水泥3-5份、改性陶瓷3-5份、发泡剂0.3-0.5份。
优选的,所述高分子合成橡胶。
优选的,所述中空玻璃微珠的直径为3-5mm。
优选的,所述高聚物改性沥青的制备方法为:在200-220℃的温度下,将石油沥青中进行溶胀;在230-250℃的温度下,交联剂、抗老化剂溶解在石油沥青中,再加入无机填料,搅拌均匀,得到所述高聚物改性沥青。
本发明还提供一种吸声塑料地板的制备方法,包括如下步骤:
(1)将高分子合成橡胶、聚氯乙烯树脂加热至120-150℃,混合均匀,得混合物A;
(2)将硅烷偶联剂,硬脂酸、改性陶瓷在170-200℃条件下,超声波处理5min,得混合物B;
(3)将A和B混合均匀,加入中空玻璃微珠、发泡剂,200℃条件反应,2h,倒入地板模型,液氮冷却,得地板预成品;
(4)向地板预成品上涂抹高聚物改性沥青与聚合物水泥的混合物,得吸声塑料地板。
优选的,所述高聚物改性沥青与聚合物水泥的混合物的厚度为3-5mm。
本发明的有益效果是:
本发明提供一种吸声塑料地板及其制备方法,以高分子合成橡胶、聚氯乙烯树脂、玻璃棉为主要成分,添加
中空玻璃微珠、改性陶瓷、发泡剂,使塑料的吸声效果提升显著;在吸声塑料的外层包裹高聚物改性沥青、聚合物水泥的混合物,使吸声塑料的耐磨性能具有很大程度的提升;本发明提高产品品质的同时,简化了操作步骤,降低了生产成本;生产工艺及设备均比较简单,能耗低,适于工业化大生产。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施例,进一步阐述本发明,但下述实施例仅仅为本发明的优选实施例,并非全部。基于实施方式中的实施例,本领域技术人员在没有做出创造性劳动的前提下所获得其它实施例,都属于本发明的保护范围。下述实施例中的实验方法,如无特殊说明,均为常规方法,下述实施例中所用的材料、试剂等,如无特殊说明,均可从商业途径得到。
实施例1
一种吸声塑料地板,由如下重量配比的原料制成:丁腈橡胶40份、聚氯乙烯树脂70份、玻璃棉20份、直径为3-5mm的中空玻璃微珠5份,硅烷偶联剂5份,硬脂酸0.5份、高聚物改性沥青5份、聚合物水泥5份、改性陶瓷5份、发泡剂0.5份。
其中,高聚物改性沥青的制备方法为:在200-220℃的温度下,将石油沥青中进行溶胀;在230-250℃的温度下,交联剂、抗老化剂溶解在石油沥青中,再加入无机填料,搅拌均匀,得到所述高聚物改性沥青。
一种吸声塑料地板的制备方法,包括如下步骤:
(1)将高分子合成橡胶、聚氯乙烯树脂加热至150℃,混合均匀,得混合物A;
(2)将硅烷偶联剂,硬脂酸、改性陶瓷在200℃条件下,超声波处理5min,得混合物B;
(3)将A和B混合均匀,加入中空玻璃微珠、发泡剂,200℃条件反应,2h,倒入地板模型,液氮冷却,得地板预成品;
(4)向地板预成品上涂抹厚度为3-5mm的高聚物改性沥青与聚合物水泥的混合物,得吸声塑料地板。
实施例2
一种吸声塑料地板,由如下重量配比的原料制成:丁腈橡胶30份、聚氯乙烯树脂30份、玻璃棉10份、直径为3-5mm的中空玻璃微珠3份,硅烷偶联剂0.1份,硬脂酸0.3份、高聚物改性沥青3份、聚合物水泥3份、改性陶瓷3份、发泡剂0.3份。
其中,高聚物改性沥青的制备方法为:在200℃的温度下,将石油沥青中进行溶胀;在230℃的温度下,交联剂、抗老化剂溶解在石油沥青中,再加入无机填料,搅拌均匀,得到所述高聚物改性沥青。
一种吸声塑料地板的制备方法,包括如下步骤:
(1)将高分子合成橡胶、聚氯乙烯树脂加热至120℃,混合均匀,得混合物A;
(2)将硅烷偶联剂,硬脂酸、改性陶瓷在170℃条件下,超声波处理5min,得混合物B;
(3)将A和B混合均匀,加入中空玻璃微珠、发泡剂,200℃条件反应,2h,倒入地板模型,液氮冷却,得地板预成品;
(4)向地板预成品上涂抹厚度为3-5mm的高聚物改性沥青与聚合物水泥的混合物,得吸声塑料地板。
实施例3
一种吸声塑料地板,由如下重量配比的原料制成:丁腈橡胶40份、聚氯乙烯树脂30份、玻璃棉20份、直径为3mm的中空玻璃微珠5份,硅烷偶联剂0.1份,硬脂酸0.5份、高聚物改性沥青3份、聚合物水泥5份、改性陶瓷3份、发泡剂0.5份。
其中,高聚物改性沥青的制备方法为:在200℃的温度下,将石油沥青中进行溶胀;在250℃的温度下,交联剂、抗老化剂溶解在石油沥青中,再加入无机填料,搅拌均匀,得到所述高聚物改性沥青。
一种吸声塑料地板的制备方法,包括如下步骤:
(1)将高分子合成橡胶、聚氯乙烯树脂加热至150℃,混合均匀,得混合物A;
(2)将硅烷偶联剂,硬脂酸、改性陶瓷在170℃条件下,超声波处理5min,得混合物B;
(3)将A和B混合均匀,加入中空玻璃微珠、发泡剂,200℃条件反应,2h,倒入地板模型,液氮冷却,得地板预成品;
(4)向地板预成品上涂抹厚度为3-5mm的高聚物改性沥青与聚合物水泥的混合物,得吸声塑料地板。
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的仅为本发明的优选例,并不用来限制本发明,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (6)
1.一种吸声塑料地板,其特征在于:由如下重量配比的原料制成:高分子合成橡胶30-40份、聚氯乙烯树脂30-70份、玻璃棉10-20份、中空玻璃微珠3-5份,硅烷偶联剂0.1-5份,硬脂酸0.3-0.5份、高聚物改性沥青3-5份、聚合物水泥3-5份、改性陶瓷3-5份、发泡剂0.3-0.5份。
2.根据权利要求1所述的吸声塑料地板,其特征在于:所述高分子合成橡胶为丁苯橡胶、丁腈橡胶、丁基橡胶、氯丁橡胶、聚硫橡胶、聚氨酯橡胶、聚丙烯酸酯橡胶、氯磺化聚乙烯橡胶、硅橡胶、氟橡胶、顺丁橡胶、异戊橡胶中的一种或多种。
3.根据权利要求1所述的吸声塑料地板,其特征在于:所述中空玻璃微珠的直径为3-5mm。
4.根据权利要求1所述的吸声塑料地板,其特征在于:所述高聚物改性沥青的制备方法为:在200-220℃的温度下,将石油沥青中进行溶胀;在230-250℃的温度下,交联剂、抗老化剂溶解在石油沥青中,再加入无机填料,搅拌均匀,得到所述高聚物改性沥青。
5.一种权利要求1所述吸声塑料地板的制备方法,其特征在于:包括如下步骤:
(1)将高分子合成橡胶、聚氯乙烯树脂加热至120-150℃,混合均匀,得混合物A;
(2)将硅烷偶联剂,硬脂酸、改性陶瓷在170-200℃条件下,超声波处理5min,得混合物B;
(3)将A和B混合均匀,加入中空玻璃微珠、发泡剂,200℃条件反应,2h,倒入地板模型,液氮冷却,得地板预成品;
(4)向地板预成品上涂抹高聚物改性沥青与聚合物水泥的混合物,得吸声塑料地板。
6.根据权利要求5所述的制备方法,其特征在于:所述高聚物改性沥青与聚合物水泥的混合物的厚度为3-5mm。
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