CN112175407A - 一种木塑铝材料推拉门 - Google Patents

一种木塑铝材料推拉门 Download PDF

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CN112175407A
CN112175407A CN202011075694.7A CN202011075694A CN112175407A CN 112175407 A CN112175407 A CN 112175407A CN 202011075694 A CN202011075694 A CN 202011075694A CN 112175407 A CN112175407 A CN 112175407A
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陈志刚
刘李杨
赵喜民
李存杰
李太祥
刘先顺
张帅
屈晓卫
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Puyang City Dongbao Technology Development Co ltd
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Abstract

本发明提供了一种木塑铝材料推拉门,包括以下重量份数的组分:木粉、聚烯烃树脂、纳米氧化镁、增容剂、润滑剂、着色剂、添加剂、发泡剂。本发明提供的木减少木粉烘干工序,节约了能源;木材中的水分和纳米氧化镁进行作用,避免了木粉在树脂表面的吸附聚集,在增容剂的参与下使木粉和聚烯烃树脂混合的更加均匀,增加了材料的机械强度,提高了木粉的用量,从而提高了挤出速度和生产效率。由于增加了挤压模具中芯棒和定型模的长度使木塑基材在制造过程中能够很好的降温,避免了木塑基材由于发泡作用在高温下导致的孔腔变形,提高了产品合格率。

Description

一种木塑铝材料推拉门
技术领域
本发明属于门窗制造领域,尤其涉及一种木塑铝材料推拉门。
背景技术
在建筑行业内,实木、塑料和铝合金等材质的推拉门使用一直处于激烈的竞争中,当优质的实木推拉门越来越受到人们青睐的时候,森林消失的速度也就越快,导致木材价格的不断攀升,塑料推拉门的使用又有着难以避免的缺憾,如质感不好和色泽单调等铝合金窗的制造过程属于高耗能产品,使用过程中保温性能也偏低,所以铝合金推拉门在竞争中逐渐处于劣势,而木塑推拉门是类似铝木复合结构的以发泡木塑为装饰材料的推拉门,其特点是将铝合金型材作为骨架,室内外均拼接木塑作为装饰。在木塑基材表面进行覆膜、转印、共挤等方式处理,形成木纹。由于木塑推拉门的主要原料之一为木质纤维原料,使得木塑推拉门成型后有种天生的木质感,再通过后续的仿木纹处理使木质感大大增强,能够较好的满足消费者对仿实木推拉门的需求。
老式木塑推拉门是在门扇上镂空,采用玻璃压条将玻璃固定在扇中,其缺点是门扇笨重,门边宽(140mm以上),透光性能不好,为了兼顾美观推拉门尺寸较小,制作工艺方面比较复杂,机械强度小,在运输过程中容易损坏,使用中容易出现玻璃框开缝等质量问题。
发明内容
本发明为了克服现有技术中存在的上述问题,提供了一种木塑铝材料推拉门。
一种木塑铝材料推拉门,由木塑基材和铝合金管材组合构成,木塑基材包括以下重量份数的组分:木粉60-90份、聚烯烃树脂50-110份、纳米氧化镁10-18份、增容剂5-11份、润滑剂4-10份、着色剂3-9份、添加剂10-20份、发泡剂5-11份;
所述木粉含水量2-8wt%,所述聚烯烃树脂为聚丙烯或聚乙烯。
具体的,所述纳米氧化镁由硬脂酸镁在450℃下热解制备。
具体的,所述增容剂为马来酸酐接枝聚丙烯。
具体的,所述润滑剂为硬脂酸钙,所述着色剂为氧化铁。
具体的,所述添加剂由重量比例为2:2:1的光稳定剂、抗氧化剂和紫外线吸收剂组成。
一种木塑铝材料推拉门的制备方法,包括如下步骤:
步骤1:把木粉、聚烯烃树脂、纳米氧化镁、增容剂、润滑剂、着色剂、发泡剂、添加剂加入混合罐中于60-90℃进行充分混合,得到混合物A;
步骤2:把混合物A输送至平行双螺旋挤出机中于150-200℃进行造粒,得到木塑材料颗粒;
步骤3:把木塑材料颗粒装入共挤模具中于150℃温度和12MPa压力下挤出得到具有规则中间孔腔的木塑基材,再装入铝合金管材即可用于推拉门制造。
具体的,步骤3中所述共挤模具由口模和真空定型模组装构成,所述口模内部设置有模具芯棒,所述模具芯棒由口模内伸出并延伸至真空定型模内部。
具体的,模具芯棒为中空结构,在挤出工艺中通入冷风。冷风流向是由口模向真空定型模方向流动。
与现有技术相比,本发明提供的木塑材料不必刻意除去木粉中的水分,减少烘干工序,节约了能源;木材中的水分和纳米氧化镁进行作用,避免了含水木粉在树脂表面的吸附聚集,在增容剂的参与下使木粉和聚烯烃树脂混合的更加均匀,增加了材料的机械强度,提高了木粉的用量,从而提高了挤出速度和生产效率。
由于增加了挤压模具中芯棒和定型模的长度并在芯棒中间开孔通冷风降温的措施使木塑基材在制造过程中能够很好的降温,避免了木塑基材由于发泡作用在高温下导致的孔腔变形,提高了产品合格率。
附图说明
图1正常挤出过程图
图2内腔变形情况图
图3模具芯棒加长后挤出过程图
图4模具芯棒加长且开孔通冷气后的挤出过程图
1口模 2真空定型模 3木塑基材表面 4木塑基材内腔
5模具芯棒。图4中箭头方向为冷风流向。
具体实施方式
为了进一步理解本发明,下面结合实施例对本发明优选实施方案进行描述,但是应当理解,这些描述只是为进一步说明本发明的特征和优点,而不是对本发明权利要求的限制。
以下实施方式中光稳定剂为受阻胺、抗氧化剂为抗氧剂1010、紫外线吸收剂为2-(2ˊ-羟基-5ˊ-甲基苯基)苯并三氮唑、发泡剂为发泡剂PA-40。
实施例1
一种木塑材料包括以下重量份数的组分:木粉60份、聚烯烃树脂50份、纳米氧化镁10份、增容剂5份、润滑剂4份、着色剂3份、添加剂10份、发泡剂5份。
所述木粉含水量2wt%,所述聚烯烃树脂为聚丙烯,所述纳米氧化镁由硬脂酸镁在450℃下热解制备,所述增容剂为马来酸酐接枝聚丙烯,所述润滑剂为硬脂酸钙,所述着色剂为氧化铁,所述添加剂由重量比例为2:2:1的光稳定剂、抗氧化剂和紫外线吸收剂组成。
本发明还提供了一种木塑铝材料推拉门的制备方法,包括如下步骤:
步骤1:把木粉、聚烯烃树脂、纳米氧化镁、增容剂、润滑剂、着色剂、发泡剂、添加剂加入混合罐中于60℃进行充分混合,得到混合物A;
步骤2:把混合物A输送至平行双螺旋挤出机中于150℃进行造粒,得到木塑材料颗粒;
步骤3:把木塑材料颗粒装入共挤模具中于150℃温度和12MPa压力下挤出得到中间孔腔的木塑基材,再装入铝合金管材即可用于推拉门制造。
步骤3中所述共挤模具由口模和真空定型模组装构成,所述口模内部设置有模具芯棒,所述模具芯棒由口模内伸出并延伸至真空定型模内部。
模具芯棒为中空结构,在挤出工艺中通入冷风,冷风温度为室内常温温度,速度为每秒3米。冷风流向是由口模向真空定型模方向流动。
实施例2
一种木塑材料包括以下重量份数的组分:木粉70份、聚烯烃树脂70份、纳米氧化镁12份、增容剂7份、润滑剂6份、着色剂5份、添加剂14份、发泡剂7份。
所述木粉含水量6wt%,所述聚烯烃树脂为聚乙烯,所述纳米氧化镁由硬脂酸镁在450℃下热解制备,所述增容剂为马来酸酐接枝聚丙烯,所述润滑剂为硬脂酸钙,所述着色剂为氧化铁,所述添加剂由重量比例为2:2:1的光稳定剂、抗氧化剂和紫外线吸收剂组成。
本发明还提供了一种木塑铝材料推拉门的制备方法,包括如下步骤:
步骤1:把木粉、聚烯烃树脂、纳米氧化镁、增容剂、润滑剂、着色剂、发泡剂、添加剂加入混合罐中于70℃进行充分混合,得到混合物A;
步骤2:把混合物A输送至平行双螺旋挤出机中于170℃进行造粒,得到木塑材料颗粒;
步骤3:把木塑材料颗粒装入共挤模具中于150℃温度和12MPa压力下挤出得到中间孔腔的木塑基材,再装入铝合金管材即可用于推拉门制造。
步骤3中所述共挤模具由口模和真空定型模组装构成,所述口模内部设置有模具芯棒,所述模具芯棒由口模内伸出并延伸至真空定型模内部。
模具芯棒为中空结构,在挤出工艺中通入冷风。冷风温度为室内常温温度,速度为每秒3米。冷风流向是由口模向真空定型模方向流动。
实施例3
一种木塑材料包括以下重量份数的组分:木粉80份、聚烯烃树脂90份、纳米氧化镁15份、增容剂9份、润滑剂8份、着色剂7份、添加剂18份、发泡剂9份。
所述木粉含水量6wt%,所述聚烯烃树脂为聚丙烯,所述纳米氧化镁由硬脂酸镁在450℃下热解制备,所述增容剂为马来酸酐接枝聚丙烯,所述润滑剂为硬脂酸钙,所述着色剂为氧化铁,所述添加剂由重量比例为2:2:1的光稳定剂、抗氧化剂和紫外线吸收剂组成。
本发明还提供了一种木塑铝材料推拉门的制备方法,包括如下步骤:
步骤1:把木粉、聚烯烃树脂、纳米氧化镁、增容剂、润滑剂、着色剂、发泡剂、添加剂加入混合罐中于80℃进行充分混合,得到混合物A;
步骤2:把混合物A输送至平行双螺旋挤出机中于180℃进行造粒,得到木塑材料颗粒;
步骤3:把木塑材料颗粒装入共挤模具中于150℃温度和12MPa压力下挤出得到中间孔腔的木塑基材,再装入铝合金管材即可用于推拉门制造。
步骤3中所述共挤模具由口模和真空定型模组装构成,所述口模内部设置有模具芯棒,所述模具芯棒由口模内伸出并延伸至真空定型模内部。
模具芯棒为中空结构,在挤出工艺中通入冷风。冷风温度为室内常温温度,速度为每秒3米。冷风流向是由口模向真空定型模方向流动。
实施例4
一种木塑材料包括以下重量份数的组分:木粉90份、聚烯烃树脂110份、纳米氧化镁18份、增容剂11份、润滑剂10份、着色剂9份、添加剂20份、发泡剂11份。
所述木粉含水量8wt%,所述聚烯烃树脂为聚乙烯,所述纳米氧化镁由硬脂酸镁在450℃下热解制备,所述增容剂为马来酸酐接枝聚丙烯,所述润滑剂为硬脂酸钙,所述着色剂为氧化铁,所述添加剂由重量比例为2:2:1的光稳定剂、抗氧化剂和紫外线吸收剂组成。
本发明还提供了一种木塑铝材料推拉门的制备方法,包括如下步骤:
步骤1:把木粉、聚烯烃树脂、纳米氧化镁、增容剂、润滑剂、着色剂、发泡剂、添加剂加入混合罐中于90℃进行充分混合,得到混合物A;
步骤2:把混合物A输送至平行双螺旋挤出机中于200℃进行造粒,得到木塑材料颗粒;
步骤3:把木塑材料颗粒装入共挤模具中于150℃温度和12MPa压力下挤出得到中间孔腔的木塑基材,再装入铝合金管材即可用于推拉门制造。
步骤3中所述共挤模具由口模和真空定型模组装构成,所述口模内部设置有模具芯棒,所述模具芯棒由口模内伸出并延伸至真空定型模内部。
模具芯棒为中空结构,在挤出工艺中通入冷风。冷风温度为室内常温温度,速度为每秒3米。冷风流向是由口模向真空定型模方向流动。
对比例1
一种木塑材料包括以下重量份数的组分:木粉70份、聚烯烃树脂70份、增容剂7份、润滑剂6份、着色剂5份、添加剂14份、发泡剂7份。
所述木粉含水量6wt%,所述聚烯烃树脂为聚乙烯,所述增容剂为马来酸酐接枝聚丙烯,所述润滑剂为硬脂酸钙,所述着色剂为氧化铁,所述添加剂由重量比例为2:2:1的光稳定剂、抗氧化剂和紫外线吸收剂组成。
一种木塑铝材料推拉门的制备方法同实施例2。
对比例2
一种木塑材料包括以下重量份数的组分:木粉70份、聚烯烃树脂70份、纳米氧化镁12份、增容剂7份、润滑剂6份、着色剂5份、添加剂14份、发泡剂7份。
所述木粉含水量6wt%,所述聚烯烃树脂为聚乙烯,所述纳米氧化镁由硬脂酸镁在450℃下热解制备,所述增容剂为马来酸酐接枝聚丙烯,所述润滑剂为硬脂酸钙,所述着色剂为氧化铁,所述添加剂由重量比例为2:2:1的光稳定剂、抗氧化剂和紫外线吸收剂组成。
一种木塑铝材料推拉门的制备方法,包括以下步骤:
步骤1:把木粉、聚烯烃树脂、纳米氧化镁、增容剂、润滑剂、着色剂、发泡剂、添加剂加入混合罐中于70℃进行充分混合,得到混合物A;
步骤2:把混合物A输送至平行双螺旋挤出机中于170℃进行造粒,得到木塑材料颗粒;
步骤3:把木塑材料颗粒装入共挤模具中于150℃温度和12MPa压力下挤出得到中间孔腔的木塑基材,再装入铝合金管材即可用于推拉门制造。
步骤3中所述共挤模具由口模和真空定型模组装构成,所述口模内部设置有模具芯棒,所述模具芯棒位于口模内部。
对比例3
一种木塑材料包括以下重量份数的组分:干木粉70份、聚烯烃树脂70份、纳米氧化镁12份、增容剂7份、润滑剂6份、着色剂5份、添加剂14份、发泡剂7份。
所述聚烯烃树脂为聚乙烯,所述纳米氧化镁由硬脂酸镁在450℃下热解制备,所述增容剂为马来酸酐接枝聚丙烯,所述润滑剂为硬脂酸钙,所述着色剂为氧化铁,所述添加剂由重量比例为2:2:1的光稳定剂、抗氧化剂和紫外线吸收剂组成。
一种木塑铝材料推拉门的制备方法同实施例2
表1.不同实施方式中木塑基材的性能
实施方式 挤出速度(m/h) 弯曲强度(MPa) 吸水率(%) 型材成型度
实施例1 63.2 20.9 1.08 成型
实施例2 61.7 21.3 1.10 成型
实施例3 61.2 20.8 1.12 成型
实施例4 60.5 21.0 1.13 成型
对比例1 56.7 18.7 1.57 成型
对比例2 62.1 20.7 1.22 不成型
对比例3 65.2 22.6 1.68 成型
由表1可知,加入纳米氧化镁后在相同木粉用量的情况下,有一定含水率的木粉制备出的木塑基材虽然挤出速度、弯曲强度有所降低,但改善了木塑基材的防水性能,降低了产品的吸水率;其原因为木粉在树脂中分散的更加均匀。另外通过增加挤压模具中芯棒和定型模的长度并在芯棒开孔通冷风降温,可以在型材挤出过程中孔腔保持稳定能够成型,提高了合格率。在使用干木粉的情况下,得到的木塑基材虽然具有更高的挤出速度、弯曲强度,但吸水率有所上升,降低了产品的防水性能。

Claims (8)

1.一种木塑铝材料推拉门,由木塑基材和铝合金管材组合构成,其特征在于,木塑基材包括以下重量份数的组分:木粉60-90份、聚烯烃树脂50-110份、纳米氧化镁10-18份、增容剂5-11份、润滑剂4-10份、着色剂3-9份、添加剂10-20份、发泡剂5-11份;
所述木粉含水量2-8wt%,所述聚烯烃树脂为聚丙烯或聚乙烯。
2.根据权利要求1所述一种木塑铝材料推拉门,其特征在于,所述纳米氧化镁由硬脂酸镁在450℃下热解制备。
3.根据权利要求1所述一种木塑铝材料推拉门,其特征在于,所述增容剂为马来酸酐接枝聚丙烯。
4.根据权利要求1所述一种木塑铝材料推拉门,其特征在于,所述润滑剂为硬脂酸钙,所述着色剂为氧化铁。
5.根据权利要求1所述一种木塑铝材料推拉门,其特征在于,所述添加剂由重量比例为2:2:1的光稳定剂、抗氧化剂和紫外线吸收剂组成。
6.根据权利要求1所述一种木塑铝材料推拉门的制备方法,其特征在于,包括如下步骤:
步骤1:把木粉、聚烯烃树脂、纳米氧化镁、增容剂、润滑剂、着色剂、发泡剂、添加剂加入混合罐中于60-90℃进行充分混合,得到混合物A;
步骤2:把混合物A输送至平行双螺旋挤出机中于150-200℃进行造粒,得到木塑材料颗粒;
步骤3:把木塑材料颗粒装入共挤模具中于150℃温度和12MPa压力下挤出得到具有规则中间孔腔的木塑基材,再装入铝合金管材即可完成推拉门制造。
7.根据权利要求6所述一种木塑铝材料推拉门制备方法,其特征在于,步骤3中所述共挤模具由口模和真空定型模组装构成,所述口模内部设置有模具芯棒,所述模具芯棒由口模内伸出并延伸至真空定型模内部。
8.根据权利要求6所述一种木塑铝材料推拉门制备方法,其特征在于,模具芯棒为中空结构,在挤出工艺中通入冷风,冷风流向是由口模向真空定型模方向流动。
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