CN103642120A - 一种聚丙烯发泡木塑板材 - Google Patents

一种聚丙烯发泡木塑板材 Download PDF

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CN103642120A
CN103642120A CN201310532578.7A CN201310532578A CN103642120A CN 103642120 A CN103642120 A CN 103642120A CN 201310532578 A CN201310532578 A CN 201310532578A CN 103642120 A CN103642120 A CN 103642120A
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黄宏彬
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ANHUI GUANHONG PLASTIC INDUSTRY Co Ltd
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Abstract

本发明公开了一种聚丙烯发泡木塑板材，它是由下述重量份的原料组成的：聚丙烯树脂粒子40-50、秸秆粉30-40、木粉20-30、二月桂酸二正丁基锡1-2、乙烯基三甲氧基硅烷1-2、丙三醇1-2、纳米膨润土3-4、二甲基亚砜1-2、偶氮二甲酰胺1-2、改性增塑剂3-4；本发明的木塑复合型材经发泡后可以钝化裂纹尖端并有效的阻止裂纹的扩张，成品的密实度高，防水性、阻燃性强，木质感强，无毒无害，环保节能。

Description

一种聚丙烯发泡木塑板材
技术领域
    本发明主要涉及一种复合型材，尤其涉及一种聚丙烯发泡木塑板材。
背景技术
木塑复合材料内含塑料和纤维，因此，具有同木材相类似的加工性能，可锯、可钉、可刨，使用木工器具即可完成，且握钉力明显优于其他合成材料。机械性能优于木质材料。握钉力一般是木材的3倍，是刨花板的5倍。
木塑复合材料内含塑料，因而具有较好的弹性模量。此外，由于内含纤维并经与塑料充分混合，因而具有与硬木相当的抗压、抗弯曲等物理机械性能，并且其耐用性明显优于普通木质材料。表面硬度高，一般是木材的2——5倍。
木塑材料及其产品与木材相比，可抗强酸碱、耐水、耐腐蚀，并且不繁殖细菌，不易被虫蛀、不长真菌。使用寿命长，可达50年以上。
通过助剂，塑料可以发生聚合、发泡、固化、改性等改变，从而改变木塑材料的密度、强度等特性，还可以达到抗老化、防静电、阻燃等特殊要求。
具有紫外线光稳定性、着色性良好。其最大优点就是变废为宝，并可100%回收再生产。
可以分解，不会造成“白色污染”，是真正的绿色环保产品。
原料来源广泛，生产木塑复合材料的塑料原料主要是高密度聚乙烯或聚丙烯，木质纤维可以是木粉、谷糠或木纤维，另外还需要少量添加剂和其他加工助剂。还可以根据需要，制成任意形状和尺寸大小。
发明内容
本发明目的就是提供一种聚丙烯发泡木塑板材。
本发明是通过以下技术方案实现的：
一种聚丙烯发泡木塑板材，它是由下述重量份的原料组成的：
聚丙烯树脂粒子40-50、秸秆粉30-40、木粉20-30、二月桂酸二正丁基锡1-2、乙烯基三甲氧基硅烷1-2、丙三醇1-2、纳米膨润土3-4、二甲基亚砜1-2、偶氮二甲酰胺1-2、改性增塑剂3-4； 
所述的改性增塑剂是由下述重量份的原料组成的：
地沟油30-40、邻苯二甲酸酯20-30、蓖麻油5-6、霍霍巴油2-3、γ-氨丙基三乙氧基硅烷1-2、纳米氮化铝粉0.2-0.3、萜烯树脂1-2、过氧化二叔丁基0.1-0.2、异辛酸0.1-0.2；
将上述萜烯树脂加热到80-100℃，保温10-15分钟，降低温度为50-60℃，加入γ-氨丙基三乙氧基硅烷，搅拌分散3-5分钟，依次加入邻苯二甲酸酯、地沟油、蓖麻油、霍霍巴油，添加完毕后，升高温度为90-100℃，充分搅拌，加入纳米氮化铝粉、异辛酸，继续升高温度为105-110℃，滴加过氧化二叔丁基，搅拌反应1-2小时，冷却至常温，即得所述改性增塑剂。
一种聚丙烯发泡木塑板材的制备方法，包括以下步骤：
将上述秸秆粉、木粉混合，80-90℃下加热至含水量为2-3%，加入丙三醇、乙烯基三甲氧基硅烷，高速混合，加入除了偶氮二甲酰胺以外的各原料，充分混合后升高温度为100-120℃，加入偶氮二甲酰胺，通过双螺杆挤出机熔融共混挤出，成型，即得所述聚丙烯发泡木塑板材。
本发明的优点是：
    本发明的木塑复合型材经发泡后可以钝化裂纹尖端并有效的阻止裂纹的扩张，成品的密实度高，防水性、阻燃性强，木质感强，无毒无害，环保节能。
具体实施方式
实施例1
一种聚丙烯发泡木塑板材，它是由下述重量份（公斤）的原料组成的：
聚丙烯树脂粒子50、秸秆粉40、木粉20、二月桂酸二正丁基锡1、乙烯基三甲氧基硅烷1、丙三醇1、纳米膨润土3、二甲基亚砜1、偶氮二甲酰胺1、改性增塑剂3-4； 
所述的改性增塑剂是由下述重量份的原料组成的：
地沟油40、邻苯二甲酸酯30、蓖麻油6、霍霍巴油3、γ-氨丙基三乙氧基硅烷1、纳米氮化铝粉0.3、萜烯树脂2、过氧化二叔丁基0.2、异辛酸0.2；
将上述萜烯树脂加热到100℃，保温15分钟，降低温度为60℃，加入γ-氨丙基三乙氧基硅烷，搅拌分散5分钟，依次加入邻苯二甲酸酯、地沟油、蓖麻油、霍霍巴油，添加完毕后，升高温度为100℃，充分搅拌，加入纳米氮化铝粉、异辛酸，继续升高温度为110℃，滴加过氧化二叔丁基，搅拌反应1小时，冷却至常温，即得所述改性增塑剂。
一种聚丙烯发泡木塑板材的制备方法，包括以下步骤：
将上述秸秆粉、木粉混合，90℃下加热至含水量为3%，加入丙三醇、乙烯基三甲氧基硅烷，高速混合，加入除了偶氮二甲酰胺以外的各原料，充分混合后升高温度为120℃，加入偶氮二甲酰胺，通过双螺杆挤出机熔融共混挤出，成型，即得所述聚丙烯发泡木塑板材。
性能测试：
抗冻融性：弯曲破坏荷载保留率为85%；
低温落球冲击：-10℃，无裂纹；
吸水厚度膨胀率（常温水浸泡1小时）：1.01%；
蠕变恢复率：73%。

Claims (2)

1.一种聚丙烯发泡木塑板材，其特征在于它是由下述重量份的原料组成的：
聚丙烯树脂粒子40-50、秸秆粉30-40、木粉20-30、二月桂酸二正丁基锡1-2、乙烯基三甲氧基硅烷1-2、丙三醇1-2、纳米膨润土3-4、二甲基亚砜1-2、偶氮二甲酰胺1-2、改性增塑剂3-4； 
所述的改性增塑剂是由下述重量份的原料组成的：
地沟油30-40、邻苯二甲酸酯20-30、蓖麻油5-6、霍霍巴油2-3、γ-氨丙基三乙氧基硅烷1-2、纳米氮化铝粉0.2-0.3、萜烯树脂1-2、过氧化二叔丁基0.1-0.2、异辛酸0.1-0.2；
将上述萜烯树脂加热到80-100℃，保温10-15分钟，降低温度为50-60℃，加入γ-氨丙基三乙氧基硅烷，搅拌分散3-5分钟，依次加入邻苯二甲酸酯、地沟油、蓖麻油、霍霍巴油，添加完毕后，升高温度为90-100℃，充分搅拌，加入纳米氮化铝粉、异辛酸，继续升高温度为105-110℃，滴加过氧化二叔丁基，搅拌反应1-2小时，冷却至常温，即得所述改性增塑剂。
2.一种如权利要求1所述的聚丙烯发泡木塑板材的制备方法，其特征在于包括以下步骤：
将上述秸秆粉、木粉混合，80-90℃下加热至含水量为2-3%，加入丙三醇、乙烯基三甲氧基硅烷，高速混合，加入除了偶氮二甲酰胺以外的各原料，充分混合后升高温度为100-120℃，加入偶氮二甲酰胺，通过双螺杆挤出机熔融共混挤出，成型，即得所述聚丙烯发泡木塑板材。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105860270A (zh) * 2016-06-21 2016-08-17 程巧娜 一种质轻阻燃填充发泡板
CN109021392A (zh) * 2018-07-11 2018-12-18 合肥广民建材有限公司 一种阻燃防水木塑板材及其制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102675714A (zh) * 2012-05-07 2012-09-19 四川川润环保能源科技有限公司 利用生活垃圾中的混合塑料与麦秆制备的塑木及其方法
CN103193933A (zh) * 2013-03-29 2013-07-10 宁波市江北成达色母粒有限公司 一种基于地沟油的大分子增塑剂的制备方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102675714A (zh) * 2012-05-07 2012-09-19 四川川润环保能源科技有限公司 利用生活垃圾中的混合塑料与麦秆制备的塑木及其方法
CN103193933A (zh) * 2013-03-29 2013-07-10 宁波市江北成达色母粒有限公司 一种基于地沟油的大分子增塑剂的制备方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105860270A (zh) * 2016-06-21 2016-08-17 程巧娜 一种质轻阻燃填充发泡板
CN109021392A (zh) * 2018-07-11 2018-12-18 合肥广民建材有限公司 一种阻燃防水木塑板材及其制备方法

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