CN107141661A - 一种核壳结构木塑复合材料及其制备方法 - Google Patents
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Abstract
本发明公开了一种核壳结构木塑复合材料,核由以下质量份数的原料组成:PE:25‑35份;生物质纤维:20‑60份;相容剂:3‑20份;润滑剂2‑8份;碳酸钙:5‑15份;抗氧剂1010:0.2‑2份;壳由以下质量份数的原料组成:PVC:50~100份,生物质纤维:20~50份,碳酸钙:20~50份,增塑剂:2~6份,稳定剂:2~6份,润滑剂:1~5份,ADC发泡剂:3~8粉,PVC发泡调节剂:1~5份。本发明充分发挥核层PE木塑复合材料的高强度和壳层PVC木塑复合材料的表面可装饰性,使得该材料兼具高强度和美观,具有广阔的市场应用前景。
Description
技术领域
本发明涉及一种木塑复合材料,具体涉及一种核壳结构木塑复合材料及其制备方法。
背景技术
PE基木塑复合材料广泛应用于户外园林景观,但在室内装修领域较少使用,主要是因为PE塑料为非极性,其很难胶接、油漆等处理。而在室内装修中,外观是否具有逼真木质感非常重要,一般室内装修材料都是油漆涂饰,或贴PVC装饰膜、三聚氰胺装饰纸等。
发明内容
解决的技术问题:针对现有技术存在的不足,本发明提供了一种核壳结构木塑复合材料,核为PE基木塑复合材料,壳为可表面处理的PVC木塑复合材料。
技术方案:一种核壳结构木塑复合材料,由以下质量份数的原料组成:PE:25-35份;生物质纤维:20-60份;相容剂:3-20份;润滑剂2-8份;碳酸钙:5-15份;抗氧剂1010:0.2-2份;壳由以下质量份数的原料组成:PVC:50~100份,生物质纤维:20~50份;碳酸钙:20~50份;增塑剂:2~6份;稳定剂:2~6份;润滑剂:1~5份;ADC发泡剂:3~8粉;PVC发泡调节剂:1~5份。
所述生物质纤维为木纤维、竹纤维、稻壳、秸秆的一种或多种。所述相容剂为马来酸酐接枝PE、GMA接枝PE的一种或两种。
所述润滑剂为硬脂酸、硬脂酸钙、硬脂酸锌、石蜡的一种或多种。所述增塑剂为环氧大豆油、DOP、DEHP、白油的一种或多种。
本发明提供的一种核壳结构木塑复合材料的制备方法,其包括如下制备步骤:
(1)、将PE 25-35份、生物质纤维20-60份、相容剂3-20份、润滑剂2-8份、碳酸钙5-15份、抗氧剂1010 0.2-2份加入冷混机中混合5-20min,得A物料;
(2)、将PVC 50~100份、生物质纤维20~50份、碳酸钙20~50份、增塑剂2~6份、稳定剂2~6份、润滑剂1~5份、ADC发泡剂3~8粉和PVC发泡调节剂1~5份加入冷混机中混合5-20min,得B物料;
(3)、分别将A、B物料经平行双螺杆造粒机造粒;
(4)、将A物料造粒后的物料进入共挤挤出机的主机中,B物料造粒后的物料进入共挤挤出机的侧喂料机中,经共挤挤出以B物料为壳,A物料为核的核壳结构木塑。
作为优选方案,本发明将核壳结构木塑复合材料表面砂光处理,再贴面或油漆处理。
有益效果:本发明制备了壳层为PVC木塑复合材料,核层为PE木塑复合材料,充分发挥PE木塑复合材料的高强度和PVC木塑复合材料的表面可装饰性,使得该材料兼具高强度和美观,具有广阔的市场应用前景。
具体实施方式
下面通过实施例的方式进一步说明本发明,但本发明的保护范围并不因此局限于下述实施例,而是由本发明的说明书和权利要求书限定。
实施例1
(1)、将PE30份、木纤维30份、稻壳25份、马来酸酐接枝PE5份、硬脂酸3份、硬脂酸锌1份、碳酸钙5份、抗氧剂1010为1份按比例加入冷混机中混合5min,得A物料;
(2)、将PVC100份、木纤维50份、碳酸钙20份、DOP3份、稳定剂3份、硬脂酸钙3份、ADC发泡剂3份、PVC发泡调节剂1份按比例加入冷混机中混合5min,得B物料;
(3)、分别将A、B物料经平行双螺杆造粒机造粒;
(4)、将A物料造粒后的物料进入共挤挤出机的主机中,B物料造粒后的物料进入共挤挤出机的侧喂料机中,经共挤挤出以B物料为壳,A物料为核的核壳结构木塑。
(5)、将核壳结构木塑复合材料表面砂光处理,再贴PVC装饰膜。
实施例2
(1)、将PE35份、木纤维20份、稻壳24份、马来酸酐接枝PE10份、硬脂酸钙5份、碳酸钙5份、抗氧剂1010为1份按比例加入冷混机中混合5min,得A物料;
(2)、将PVC100份、木纤维20份、碳酸钙50份、环氧大豆油3份、白油3份、稳定剂4份、硬脂酸3份、ADC发泡剂5份、PVC发泡调节剂2份按比例加入冷混机中混合10min,得B物料;
(3)、分别将A、B物料经平行双螺杆造粒机造粒;
(4)、将A物料造粒后的物料进入共挤挤出机的主机中,B物料造粒后的物料进入共挤挤出机的侧喂料机中,经共挤挤出以B物料为壳,A物料为核的核壳结构木塑。
(5)、将核壳结构木塑复合材料表面砂光处理,再油漆处理。
实施例3
(1)、将PE25份、秸秆52份、马来酸酐接枝PE3份、硬脂酸钙4.8份、碳酸钙15份、抗氧剂1010为0.2份按比例加入冷混机中混合5min,得A物料;
(2)、将PVC100份、秸秆40份、碳酸钙25份、环氧大豆油5份、稳定剂4份、硬脂酸锌3份、ADC发泡剂3份、PVC发泡调节剂1份按比例加入冷混机中混合10min,得B物料;
(3)、分别将A、B物料经平行双螺杆造粒机造粒;
(4)、将A物料造粒后的物料进入共挤挤出机的主机中,B物料造粒后的物料进入共挤挤出机的侧喂料机中,经共挤挤出以B物料为壳,A物料为核的核壳结构木塑。
(5)、将核壳结构木塑复合材料表面砂光处理,再油漆处理。
性能检测:为了更好地说明本发明,下面对各实施例得到的木塑材料的性能进行测试,采用行业内的标准测试方法对产品进行弯曲强度和抗冲击强度测试,同时,结合对比例进行比较,对比例1为市面上的PE木塑复合材料,对比例2为市面上的PVC木塑复合材料,测试结果见表1。本发明的弯曲强度和抗冲击强度均比对比例大幅提高,可见具有广阔的市场前景。
表1
实施例 | 弯曲强度(MPa) | 抗冲击强度(kj/m2) |
实施例1 | 30 | 7 |
实施例2 | 33 | 9 |
实施例3 | 24 | 3.5 |
对比例1 | 25 | 4 |
对比例2 | 18 | 1.5 |
Claims (7)
1.一种核壳结构木塑复合材料,其特征在于核由以下质量份数的原料组成:PE:25-35份;生物质纤维:20-60份;相容剂:3-20份;润滑剂2-8份;碳酸钙:5-15份;抗氧剂1010:0.2-2份;壳由以下质量份数的原料组成:PVC:50~100份,生物质纤维:20~50份;碳酸钙:20~50份;增塑剂:2~6份;稳定剂:2~6份;润滑剂:1~5份;ADC发泡剂:3~8粉;PVC发泡调节剂:1~5份。
2.根据权利要求1所述的一种核壳结构木塑复合材料,其特征在于所述生物质纤维为木纤维、竹纤维、稻壳、秸秆的一种或多种。
3.根据权利要求1所述的一种核壳结构木塑复合材料,其特征在于所述相容剂为马来酸酐接枝PE、GMA接枝PE的一种或两种。
4.根据权利要求1所述的一种核壳结构木塑复合材料,其特征在于所述润滑剂为硬脂酸、硬脂酸钙、硬脂酸锌、石蜡的一种或多种。
5.根据权利要求1所述的一种核壳结构木塑复合材料,其特征在于所述增塑剂为环氧大豆油、DOP、DEHP、白油的一种或多种。
6.如权利要求1所述的一种核壳结构木塑复合材料的制备方法,其特征在于包括如下制备步骤:
(1)、将PE 25-35份、生物质纤维20-60份、相容剂3-20份、润滑剂2-8份、碳酸钙5-15份、抗氧剂1010 0.2-2份加入冷混机中混合5-20min,得A物料;
(2)、将PVC 50~100份、生物质纤维20~50份、碳酸钙20~50份、增塑剂2~6份、稳定剂2~6份、润滑剂1~5份、ADC发泡剂3~8粉和PVC发泡调节剂1~5份加入冷混机中混合5-20min,得B物料;
(3)、分别将A、B物料经平行双螺杆造粒机造粒;
(4)、将A物料造粒后的物料进入共挤挤出机的主机中,B物料造粒后的物料进入共挤挤出机的侧喂料机中,经共挤挤出以B物料为壳,A物料为核的核壳结构木塑。
7.根据权利要求6所述的一种核壳结构木塑复合材料的制备方法,其特征在于:将核壳结构木塑复合材料表面砂光处理,再贴面或油漆处理。
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CN106003950A (zh) * | 2016-06-08 | 2016-10-12 | 广东金发科技有限公司 | 高抗冲、高抗折、高尺寸稳定性的纤维内增强木塑制品及其制备方法 |
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CN105602106A (zh) * | 2015-12-31 | 2016-05-25 | 南京林业大学 | 一种表面抗静电的共挤木塑复合材料及其制造方法 |
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