CN112480508A - 一种耐用型复合材料托盘及其生产方法 - Google Patents

一种耐用型复合材料托盘及其生产方法 Download PDF

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CN112480508A
CN112480508A CN202011178578.8A CN202011178578A CN112480508A CN 112480508 A CN112480508 A CN 112480508A CN 202011178578 A CN202011178578 A CN 202011178578A CN 112480508 A CN112480508 A CN 112480508A
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夏则荣
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Abstract

本发明公开了一种耐用型复合材料托盘，其原料按重量份重量计如下：高密度聚乙烯50‑60份、共聚型聚丙烯40‑50份、混合纤维30‑40份、塑料再生料20‑30份、人工沸石5‑9份、硬脂酸锌1‑2份、硬脂酸钙1‑2份、聚乙二醇二硬脂酸脂6‑13份、不饱和聚酯树脂12‑15份、乙烯基三乙氧基硅烷0.4‑0.6份、抗氧剂0.3‑0.4份、防老剂0.4‑0.6份、发泡调节剂8‑10份、偶联剂4‑8份、氧化聚乙烯蜡25‑30份、润滑剂0.2‑0.3份、氯化聚氯乙烯8‑12份、半补强炭黑3‑4份。本发明通过高密度聚乙烯、共聚型聚丙烯、混合纤维、塑料再生料等原料的加入，融合更充分，力学能优异，同时对植物秸秆进行回收利用，不仅实现资源节约，且能够有效的降低建筑建造的成本。

Description

一种耐用型复合材料托盘及其生产方法
技术领域
本发明属于木塑托盘技术领域，更具体地说，尤其涉及一种耐用型复合材料托盘及其生产方法。
背景技术
木塑，即木塑复合材料，是指利用聚乙烯、聚丙烯和聚氯乙烯等，代替通常的树脂胶粘剂，与超过35％-70％以上的木粉、稻壳、秸秆等废植物纤维混合成新的木质材料，再经挤压、模压、注塑成型等塑料加工工艺，生产出的型材。现有木塑托盘由于其原料设置不合理，使得各原料之间处的结合理化性能差，成型后的结构强度、韧性等力学性能不佳，不耐使用，为此，我们提出一种耐用型复合材料托盘及其生产方法。
发明内容
本发明的目的是为了解决现有技术中存在的缺点，而提出的一种耐用型复合材料托盘及其生产方法。为了实现上述目的，本发明采用了如下技术方案：
一种耐用型复合材料托盘，其原料按重量份重量计如下：高密度聚乙烯50-60份、共聚型聚丙烯40-50份、混合纤维30-40份、塑料再生料20-30份、人工沸石5-9份、硬脂酸锌1-2份、硬脂酸钙1-2份、聚乙二醇二硬脂酸脂6-13份、不饱和聚酯树脂12-15份、乙烯基三乙氧基硅烷0.4-0.6份、抗氧剂0.3-0.4份、防老剂0.4-0.6份、发泡调节剂8-10份、偶联剂4-8份、氧化聚乙烯蜡25-30份、润滑剂0.2-0.3份、氯化聚氯乙烯8-12份、半补强炭黑3-4份。
优选的，所述抗氧剂具体为抗氧剂1010；所述防老剂具体为防老剂MB。
优选的，所述混合纤维由玻璃纤维、碳纤维和木质纤维按照3∶4∶3的重量比混合而成，其中植物纤维需干燥至含水量小于1％，密度为0.9kg/L-3.5kg/L。
优选的，所述木质纤维的原料为木粉、小麦秸秆、水稻秸秆、稻壳、芦苇杆或者油菜秸秆中的任意一种或几种。
优选的，所述木质纤维在使用前需使用清水反复清洗、浸泡处理，浸泡完毕后烘干。
一种耐用型复合材料托盘的生产方法，包括如下步骤：
S1：称取各原料，先将高密度聚乙烯、共聚型聚丙烯、混合纤维、塑料再生料、硬脂酸锌、硬脂酸钙、聚乙二醇二硬脂酸脂、不饱和聚酯树脂放入高速混合机中，搅拌混合至均匀，混合均匀后烘干至80-90℃，使其水份充分蒸发；
S2：然后再投入人工沸石、乙烯基三乙氧基硅烷、抗氧剂、防老剂、发泡调节剂、偶联剂、氧化聚乙烯蜡、润滑剂、氯化聚氯乙烯、半补强炭黑后继续混合5-8min；
S3：将步骤S2制得的混合物送入平行双螺杆挤出机中进行熔融共混并造粒，挤出机各段温度为:一区150-175℃，二区165-195℃，三区170-195℃，四区180-200℃；
S4：成型模具预热至50-60℃，然后用塑料注射机将粒料注射到成型模具内，机筒温度为235-250℃，机具温度为25-30℃，注射压力为85-90MPa，注射时间为5-8s，脱模后将成型的托盘经冷却、修整、定型后即可。
与现有技术相比，本发明的有益效果是：本发明提供的一种耐用型复合材料托盘及其生产方法，通过高密度聚乙烯、共聚型聚丙烯、混合纤维、塑料再生料等原料的加入，融合更充分，力学能优异，混合纤维由玻璃纤维、碳纤维和木质纤维按照3∶4∶3的重量比混合而成，其中木质纤维可采用木粉、小麦秸秆、水稻秸秆、稻壳、芦苇杆或者油菜秸秆，进行回收利用，不仅实现资源节约，且能够有效的降低建筑建造的成本。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合具体实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
实施例1：一种耐用型复合材料托盘，其原料按重量份重量计如下：高密度聚乙烯50份、共聚型聚丙烯40份、混合纤维30份、塑料再生料20份、人工沸石5份、硬脂酸锌1份、硬脂酸钙1份、聚乙二醇二硬脂酸脂6份、不饱和聚酯树脂12份、乙烯基三乙氧基硅烷0.4份、抗氧剂0.3份、防老剂0.4份、发泡调节剂8份、偶联剂4份、氧化聚乙烯蜡25份、润滑剂0.2份、氯化聚氯乙烯8份、半补强炭黑3份。
所述抗氧剂具体为抗氧剂1010；所述防老剂具体为防老剂MB；所述混合纤维由玻璃纤维、碳纤维和木质纤维按照3∶4∶3的重量比混合而成，其中植物纤维需干燥至含水量小于1％，密度为0.9kg/L；所述木质纤维的原料为木粉、小麦秸秆、水稻秸秆、稻壳、芦苇杆或者油菜秸秆中的任意一种或几种；所述木质纤维在使用前需使用清水反复清洗、浸泡处理，浸泡完毕后烘干。
一种耐用型复合材料托盘的生产方法，包括如下步骤：
S1：称取各原料，先将高密度聚乙烯、共聚型聚丙烯、混合纤维、塑料再生料、硬脂酸锌、硬脂酸钙、聚乙二醇二硬脂酸脂、不饱和聚酯树脂放入高速混合机中，搅拌混合至均匀，混合均匀后烘干至80-90℃，使其水份充分蒸发；
S2：然后再投入人工沸石、乙烯基三乙氧基硅烷、抗氧剂、防老剂、发泡调节剂、偶联剂、氧化聚乙烯蜡、润滑剂、氯化聚氯乙烯、半补强炭黑后继续混合5min；
S3：将步骤S2制得的混合物送入平行双螺杆挤出机中进行熔融共混并造粒，挤出机各段温度为:一区150℃，二区165℃，三区170℃，四区180℃；
S4：成型模具预热至50℃，然后用塑料注射机将粒料注射到成型模具内，机筒温度为235℃，机具温度为25℃，注射压力为85MPa，注射时间为5s，脱模后将成型的托盘经冷却、修整、定型后即可。
实施例2：一种耐用型复合材料托盘，其原料按重量份重量计如下：高密度聚乙烯55份、共聚型聚丙烯45份、混合纤维35份、塑料再生料25份、人工沸石8份、硬脂酸锌1.5份、硬脂酸钙1.2份、聚乙二醇二硬脂酸脂8份、不饱和聚酯树脂12份、乙烯基三乙氧基硅烷0.5份、抗氧剂0.3份、防老剂0.4份、发泡调节剂10份、偶联剂6份、氧化聚乙烯蜡28份、润滑剂0.3份、氯化聚氯乙烯12份、半补强炭黑4份。
所述抗氧剂具体为抗氧剂1010；所述防老剂具体为防老剂MB；所述混合纤维由玻璃纤维、碳纤维和木质纤维按照3∶4∶3的重量比混合而成，其中植物纤维需干燥至含水量小于1％，密度为2.5kg/L；所述木质纤维的原料为木粉、小麦秸秆、水稻秸秆、稻壳、芦苇杆或者油菜秸秆中的任意一种或几种；所述木质纤维在使用前需使用清水反复清洗、浸泡处理，浸泡完毕后烘干。
一种耐用型复合材料托盘的生产方法，包括如下步骤：
S1：称取各原料，先将高密度聚乙烯、共聚型聚丙烯、混合纤维、塑料再生料、硬脂酸锌、硬脂酸钙、聚乙二醇二硬脂酸脂、不饱和聚酯树脂放入高速混合机中，搅拌混合至均匀，混合均匀后烘干至80-90℃，使其水份充分蒸发；
S2：然后再投入人工沸石、乙烯基三乙氧基硅烷、抗氧剂、防老剂、发泡调节剂、偶联剂、氧化聚乙烯蜡、润滑剂、氯化聚氯乙烯、半补强炭黑后继续混合8min；
S3：将步骤S2制得的混合物送入平行双螺杆挤出机中进行熔融共混并造粒，挤出机各段温度为:一区165℃，二区175℃，三区185℃，四区195℃；
S4：成型模具预热至55℃，然后用塑料注射机将粒料注射到成型模具内，机筒温度为245℃，机具温度为28℃，注射压力为85MPa，注射时间为8s，脱模后将成型的托盘经冷却、修整、定型后即可。
实施例3：一种耐用型复合材料托盘，其原料按重量份重量计如下：高密度聚乙烯60份、共聚型聚丙烯50份、混合纤维40份、塑料再生料30份、人工沸石9份、硬脂酸锌2份、硬脂酸钙2份、聚乙二醇二硬脂酸脂13份、不饱和聚酯树脂15份、乙烯基三乙氧基硅烷0.6份、抗氧剂0.4份、防老剂0.6份、发泡调节剂10份、偶联剂8份、氧化聚乙烯蜡30份、润滑剂0.3份、氯化聚氯乙烯12份、半补强炭黑4份。
所述抗氧剂具体为抗氧剂1010；所述防老剂具体为防老剂MB；所述混合纤维由玻璃纤维、碳纤维和木质纤维按照3∶4∶3的重量比混合而成，其中植物纤维需干燥至含水量小于1％，密度为3.5kg/L；所述木质纤维的原料为木粉、小麦秸秆、水稻秸秆、稻壳、芦苇杆或者油菜秸秆中的任意一种或几种；所述木质纤维在使用前需使用清水反复清洗、浸泡处理，浸泡完毕后烘干。
一种耐用型复合材料托盘的生产方法，包括如下步骤：
S1：称取各原料，先将高密度聚乙烯、共聚型聚丙烯、混合纤维、塑料再生料、硬脂酸锌、硬脂酸钙、聚乙二醇二硬脂酸脂、不饱和聚酯树脂放入高速混合机中，搅拌混合至均匀，混合均匀后烘干至90℃，使其水份充分蒸发；
S2：然后再投入人工沸石、乙烯基三乙氧基硅烷、抗氧剂、防老剂、发泡调节剂、偶联剂、氧化聚乙烯蜡、润滑剂、氯化聚氯乙烯、半补强炭黑后继续混合8min；
S3：将步骤S2制得的混合物送入平行双螺杆挤出机中进行熔融共混并造粒，挤出机各段温度为:一区175℃，二区185℃，三区195℃，四区200℃；
S4：成型模具预热至60℃，然后用塑料注射机将粒料注射到成型模具内，机筒温度为250℃，机具温度为30℃，注射压力为90MPa，注射时间为8s，脱模后将成型的托盘经冷却、修整、定型后即可。
表格一：上述实施例1-实施例3的结果
Figure BDA0002749450980000071
Figure BDA0002749450980000081
本发明提供的一种耐用型复合材料托盘及其生产方法，通过高密度聚乙烯、共聚型聚丙烯、混合纤维、塑料再生料等原料的加入，融合更充分，力学能优异，混合纤维由玻璃纤维、碳纤维和木质纤维按照3∶4∶3的重量比混合而成，其中木质纤维可采用木粉、小麦秸秆、水稻秸秆、稻壳、芦苇杆或者油菜秸秆，进行回收利用，不仅实现资源节约，且能够有效的降低建筑建造的成本。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。

Claims (6)

1.一种耐用型复合材料托盘，其特征在于：其原料按重量份重量计如下：高密度聚乙烯50-60份、共聚型聚丙烯40-50份、混合纤维30-40份、塑料再生料20-30份、人工沸石5-9份、硬脂酸锌1-2份、硬脂酸钙1-2份、聚乙二醇二硬脂酸脂6-13份、不饱和聚酯树脂12-15份、乙烯基三乙氧基硅烷0.4-0.6份、抗氧剂0.3-0.4份、防老剂0.4-0.6份、发泡调节剂8-10份、偶联剂4-8份、氧化聚乙烯蜡25-30份、润滑剂0.2-0.3份、氯化聚氯乙烯8-12份、半补强炭黑3-4份。
2.根据权利要求1所述的一种耐用型复合材料托盘，其特征在于：所述抗氧剂具体为抗氧剂1010；所述防老剂具体为防老剂MB。
3.根据权利要求1所述的一种耐用型复合材料托盘，其特征在于：所述混合纤维由玻璃纤维、碳纤维和木质纤维按照3∶4∶3的重量比混合而成，其中植物纤维需干燥至含水量小于1％，密度为0.9kg/L-3.5kg/L。
4.根据权利要求3所述的一种耐用型复合材料托盘，其特征在于：所述木质纤维的原料为木粉、小麦秸秆、水稻秸秆、稻壳、芦苇杆或者油菜秸秆中的任意一种或几种。
5.根据权利要求3所述的一种耐用型复合材料托盘，其特征在于：所述木质纤维在使用前需使用清水反复清洗、浸泡处理，浸泡完毕后烘干。
6.一种权利要求1所述的耐用型复合材料托盘的生产方法，其特征在于：包括如下步骤：
S1：称取各原料，先将高密度聚乙烯、共聚型聚丙烯、混合纤维、塑料再生料、硬脂酸锌、硬脂酸钙、聚乙二醇二硬脂酸脂、不饱和聚酯树脂放入高速混合机中，搅拌混合至均匀，混合均匀后烘干至80-90℃，使其水份充分蒸发；
S2：然后再投入人工沸石、乙烯基三乙氧基硅烷、抗氧剂、防老剂、发泡调节剂、偶联剂、氧化聚乙烯蜡、润滑剂、氯化聚氯乙烯、半补强炭黑后继续混合5-8min；
S3：将步骤S2制得的混合物送入平行双螺杆挤出机中进行熔融共混并造粒，挤出机各段温度为:一区150-175℃，二区165-195℃，三区170-195℃，四区180-200℃；
S4：成型模具预热至50-60℃，然后用塑料注射机将粒料注射到成型模具内，机筒温度为235-250℃，机具温度为25-30℃，注射压力为85-90MPa，注射时间为5-8s，脱模后将成型的托盘经冷却、修整、定型后即可。
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