CN111116999A - 一种家居用塑料环保袋及其回收方法 - Google Patents

一种家居用塑料环保袋及其回收方法 Download PDF

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CN111116999A
CN111116999A CN201911387448.2A CN201911387448A CN111116999A CN 111116999 A CN111116999 A CN 111116999A CN 201911387448 A CN201911387448 A CN 201911387448A CN 111116999 A CN111116999 A CN 111116999A
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汪明
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Abstract

本发明公开了一种家居用塑料环保袋及其回收方法,所述家居用塑料环保袋由以下重量份的成分组成:低密度聚乙烯10‑25份,聚烯烃共聚物5‑15份,植物淀粉15‑25份,植物秸秆纤维5‑10份,聚乳酸5‑8份,乙烯基三甲氧基硅烷剂4‑10份,聚丙烯相容剂2‑5份,碳酸钙晶须5‑10份,石蜡1‑3份,生物降解塑料5‑13份,聚乙烯醇8‑15份,光敏剂2‑6份,交联剂2‑4份、稳定剂1‑4份,杀菌剂1‑3份。本发明制得的环保塑料袋生物降解性好,具有显著的经济、生态效益,保证了其湿强度好以及在阳光充足的条件下降解效果好的优点,同时针对环保塑料袋的回收采用多级处理,通过冲洗、去油溶剂洗涤、压滤、溶解等步骤,除去塑料袋的泥土、油污等杂质以方便其回收。

Description

一种家居用塑料环保袋及其回收方法
技术领域
本发明涉及塑料环保袋领域,具体为一种家居用塑料环保袋及其回收方法。
背景技术
常用的食品塑料袋多为聚乙烯薄膜制成,该薄膜无毒,故可用于盛装食品。塑料是一种很轻的物质,用很低的温度加热就能使它变软,随心所欲地做成各种形状的东西。塑料制品色彩鲜艳,重量轻,不怕摔,经济耐用,它的问世不仅给人们的生活带来了诸多方便,也极大地推动了工业的发展。塑料在给人们的生活带来方便的同时,也给环境带来了难以收拾的后患。塑料的结构稳定,不易被天然微生物菌降解,在自然环境中长期不分解,甚至有可能在长达70年的时间内都无法降解。这就意味着废塑料垃圾如不加以回收,将在环境中变成污染物长期存在并不断累积,会对环境造成极大危害。因此需要一种家居用塑料环保袋以及如何环保的处理该塑料环保袋成为一个非常关键的问题。
发明内容
本发明的目的在于提供一种家居用塑料环保袋及其回收方法,以解决上述背景技术中提出的问题。
为实现上述目的,本发明提供如下技术方案:一种家居用塑料环保袋,家居用塑料环保袋由以下重量份的成分组成:低密度聚乙烯10-25份,聚烯烃共聚物5-15份,植物淀粉15-25份,植物秸秆纤维5-10份,聚乳酸5-8份,乙烯基三甲氧基硅烷剂4-10份,聚丙烯相容剂2-5份,碳酸钙晶须5-10份,石蜡1-3份,生物降解塑料5-13份,聚乙烯醇8-15份,光敏剂2-6份,交联剂2-4份、稳定剂1-4份,杀菌剂1-3份。
优选的,家居用塑料环保袋由以下重量份的成分组成:低密度聚乙烯20份,聚烯烃共聚物5份,植物淀粉15份,植物秸秆纤维5份,聚乳酸6份,乙烯基三甲氧基硅烷剂5份,聚丙烯相容剂4份,碳酸钙晶须5份,石蜡1份,生物降解塑料8份,聚乙烯醇8份,光敏剂4份,交联剂2份、稳定剂2,杀菌剂1份。
优选的,植物淀粉为小麦淀粉或玉米淀粉或马铃薯淀粉中任一种或多种混合物。
优选的,植物秸秆纤维为玉米秸秆与稻草秸秆以1-2:2-5的质量比例并通过高效磋磨磋磨机将其裂解成纤维束,通过高速疏解机把纤维束分解并进行纤维束的选取后完成植物秸秆纤维制备。
本发明还提供了上述家居用塑料环保袋的制备方法,其操作步骤包括:
S1:按如下质量百分比分别称量下述各组分:低密度聚乙烯20份,聚烯烃共聚物5份,植物淀粉15份,植物秸秆纤维5份,聚乳酸6份,乙烯基三甲氧基硅烷剂5份,聚丙烯相容剂4份,碳酸钙晶须5份,石蜡1份,生物降解塑料8份,聚乙烯醇8份,光敏剂4份,交联剂2份、稳定剂2,杀菌剂1份;
S2:取S1中植物淀粉、碳酸钙晶须加入高速混合机进行混合,并在混合后加入乙烯基三甲氧基硅烷剂与聚丙烯相容剂,使用高速混合机搅拌混合均匀,得到混合物一;
S3:向S2的混合物一中加入植物秸秆纤维并使其混合,然后加入低密度聚乙烯、聚烯烃共聚物、聚乳酸、石蜡、生物降解塑料、聚乙烯醇、光敏剂、交联剂、稳定剂与杀菌剂使其高速混合,得到混合物二;
S4:将S3中混合物二加入双螺杆挤出机中进行造粒,并在造粒后用吹膜机吹制成一定厚度的膜料;
S5:对S4中制得的膜料进行冷却以及压边处理,然后用制袋机制造成所述家居用塑料环保袋。
本发明还提供了上述家居用塑料环保袋的回收方法,其操作步骤包括:
步骤一:将已使用的家居用塑料环保袋进行收集与分拣,在分拣后放入清洗池中进行冲洗,除去泥土等杂质;
步骤二:向步骤一中已冲洗的塑料环保袋进行去油溶剂洗涤,去油溶剂为丙酮、乙酸乙酯混合物,除去塑料环保袋上黏附的油污等有机物;
步骤三:对步骤二中已洗涤的塑料环保袋进行压滤,滤出塑料环保袋上残存的溶剂和水,在压滤完成后进行加入粉碎机中进行粉碎,并得到粉碎物;
步骤四:向步骤三中的粉碎物加入能够溶解塑料的溶解溶剂并使其与粉碎后的塑料充分接触,塑料溶解后产生塑料沉淀;
步骤五:对步骤四中塑料沉淀物进行回收。
与现有技术相比,本发明的有益效果是:
本发明制得的环保塑料袋生物降解性好,具有显著的经济、生态效益,保证了其湿强度好以及在阳光充足的条件下降解效果好的优点,同时针对环保塑料袋的回收采用多级处理,通过冲洗、去油溶剂洗涤、压滤、溶解等步骤,除去塑料袋的泥土、油污等杂质以方便其回收。
附图说明
图1为本发明家居用塑料环保袋的回收步骤框图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1:请参阅图1,本发明提供一种技术方案:一种家居用塑料环保袋,所述家居用塑料环保袋的制备方法包括:
S1:按如下质量百分比分别称量下述各组分:低密度聚乙烯20份,聚烯烃共聚物5份,植物淀粉15份,植物秸秆纤维5份,聚乳酸6份,乙烯基三甲氧基硅烷剂5份,聚丙烯相容剂4份,碳酸钙晶须5份,石蜡1份,生物降解塑料8份,聚乙烯醇8份,光敏剂4份,交联剂2份、稳定剂2,杀菌剂1份;
S2:取S1中植物淀粉、碳酸钙晶须加入高速混合机进行混合,并在混合后加入乙烯基三甲氧基硅烷剂与聚丙烯相容剂,使用高速混合机搅拌混合均匀,得到混合物一;
S3:向S2的混合物一中加入植物秸秆纤维并使其混合,然后加入低密度聚乙烯、聚烯烃共聚物、聚乳酸、石蜡、生物降解塑料、聚乙烯醇、光敏剂、交联剂、稳定剂与杀菌剂使其高速混合,得到混合物二;
S4:将S3中混合物二加入双螺杆挤出机中进行造粒,并在造粒后用吹膜机吹制成一定厚度的膜料;
S5:对S4中制得的膜料进行冷却以及压边处理,然后用制袋机制造成所述家居用塑料环保袋。
上述家居用塑料环保袋的回收方法,其操作步骤包括:
步骤一:将已使用的家居用塑料环保袋进行收集与分拣,在分拣后放入清洗池中进行冲洗,除去泥土等杂质;
步骤二:向步骤一中已冲洗的塑料环保袋进行去油溶剂洗涤,去油溶剂为丙酮、乙酸乙酯混合物,除去塑料环保袋上黏附的油污等有机物;
步骤三:对步骤二中已洗涤的塑料环保袋进行压滤,滤出塑料环保袋上残存的溶剂和水,在压滤完成后进行加入粉碎机中进行粉碎,并得到粉碎物;
步骤四:向步骤三中的粉碎物加入能够溶解塑料的溶解溶剂并使其与粉碎后的塑料充分接触,溶解溶剂为丁酮,塑料溶解后加入非溶剂(水)产生塑料沉淀;
步骤五:对步骤四中塑料沉淀物进行回收。
实施例2:
S1:按如下质量百分比分别称量下述各组分:低密度聚乙烯15份,聚烯烃共聚物15份,植物淀粉20份,植物秸秆纤维5份,聚乳酸5份,乙烯基三甲氧基硅烷剂4份,聚丙烯相容剂2份,碳酸钙晶须5份,石蜡3份,生物降解塑料5份,聚乙烯醇8份,光敏剂2份,交联剂2份、稳定剂2份,杀菌剂3份;
S2:取S1中植物淀粉、碳酸钙晶须加入高速混合机进行混合,并在混合后加入乙烯基三甲氧基硅烷剂与聚丙烯相容剂,使用高速混合机搅拌混合均匀,得到混合物一;
S3:向S2的混合物一中加入植物秸秆纤维并使其混合,然后加入低密度聚乙烯、聚烯烃共聚物、聚乳酸、石蜡、生物降解塑料、聚乙烯醇、光敏剂、交联剂、稳定剂与杀菌剂使其高速混合,得到混合物二;
S4:将S3中混合物二加入双螺杆挤出机中进行造粒,并在造粒后用吹膜机吹制成一定厚度的膜料;
S5:对S4中制得的膜料进行冷却以及压边处理,然后用制袋机制造成所述家居用塑料环保袋。
实施例2与上述实施例材料、加工步骤、回收步骤均相同,不同之处在于两者的配比不同。
实施例3:
S1:按如下质量百分比分别称量下述各组分:低密度聚乙烯25份,聚烯烃共聚物10份,植物淀粉15份,植物秸秆纤维10份,聚乳酸5份,乙烯基三甲氧基硅烷剂6份,聚丙烯相容剂5份,碳酸钙晶须5份,石蜡2份,生物降解塑料10份,聚乙烯醇8份,光敏剂4份,交联剂2份、稳定剂3份,杀菌剂3份;
S2:取S1中植物淀粉、碳酸钙晶须加入高速混合机进行混合,并在混合后加入乙烯基三甲氧基硅烷剂与聚丙烯相容剂,使用高速混合机搅拌混合均匀,得到混合物一;
S3:向S2的混合物一中加入植物秸秆纤维并使其混合,然后加入低密度聚乙烯、聚烯烃共聚物、聚乳酸、石蜡、生物降解塑料、聚乙烯醇、光敏剂、交联剂、稳定剂与杀菌剂使其高速混合,得到混合物二;
S4:将S3中混合物二加入双螺杆挤出机中进行造粒,并在造粒后用吹膜机吹制成一定厚度的膜料;
S5:对S4中制得的膜料进行冷却以及压边处理,然后用制袋机制造成所述家居用塑料环保袋。
实施例3与上述实施例材料、加工步骤、回收步骤均相同,不同之处在于两者的配比不同。
本发明制得的环保塑料袋生物降解性好,具有显著的经济、生态效益,保证了其湿强度好以及在阳光充足的条件下降解效果好的优点,同时针对环保塑料袋的回收采用多级处理,通过冲洗、去油溶剂洗涤、压滤、溶解等步骤,除去塑料袋的泥土、油污等杂质以方便其回收。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。

Claims (6)

1.一种家居用塑料环保袋,其特征在于,所述家居用塑料环保袋由以下重量份的成分组成:低密度聚乙烯10-25份,聚烯烃共聚物5-15份,植物淀粉15-25份,植物秸秆纤维5-10份,聚乳酸5-8份,乙烯基三甲氧基硅烷剂4-10份,聚丙烯相容剂2-5份,碳酸钙晶须5-10份,石蜡1-3份,生物降解塑料5-13份,聚乙烯醇8-15份,光敏剂2-6份,交联剂2-4份、稳定剂1-4份,杀菌剂1-3份。
2.根据权利要求1所述的一种家居用塑料环保袋,其特征在于,所述家居用塑料环保袋由以下重量份的成分组成:低密度聚乙烯20份,聚烯烃共聚物5份,植物淀粉15份,植物秸秆纤维5份,聚乳酸6份,乙烯基三甲氧基硅烷剂5份,聚丙烯相容剂4份,碳酸钙晶须5份,石蜡1份,生物降解塑料8份,聚乙烯醇8份,光敏剂4份,交联剂2份、稳定剂2,杀菌剂1份。
3.根据权利要求1所述的一种家居用塑料环保袋,其特征在于,所述植物淀粉为小麦淀粉或玉米淀粉或马铃薯淀粉中任一种或多种混合物。
4.根据权利要求1所述的一种家居用塑料环保袋,其特征在于,所述植物秸秆纤维为玉米秸秆与稻草秸秆以1-2:2-5的质量比例并通过高效磋磨磋磨机将其裂解成纤维束,通过高速疏解机把纤维束分解并进行纤维束的选取后完成植物秸秆纤维制备。
5.根据权利要求1-4任一所述的一种家居用塑料环保袋的制备方法,其特征在于,其操作步骤包括:
S1:按如下质量百分比分别称量下述各组分:低密度聚乙烯20份,聚烯烃共聚物5份,植物淀粉15份,植物秸秆纤维5份,聚乳酸6份,乙烯基三甲氧基硅烷剂5份,聚丙烯相容剂4份,碳酸钙晶须5份,石蜡1份,生物降解塑料8份,聚乙烯醇8份,光敏剂4份,交联剂2份、稳定剂2,杀菌剂1份;
S2:取S1中植物淀粉、碳酸钙晶须加入高速混合机进行混合,并在混合后加入乙烯基三甲氧基硅烷剂与聚丙烯相容剂,使用高速混合机搅拌混合均匀,得到混合物一;
S3:向S2的混合物一中加入植物秸秆纤维并使其混合,然后加入低密度聚乙烯、聚烯烃共聚物、聚乳酸、石蜡、生物降解塑料、聚乙烯醇、光敏剂、交联剂、稳定剂与杀菌剂使其高速混合,得到混合物二;
S4:将S3中混合物二加入双螺杆挤出机中进行造粒,并在造粒后用吹膜机吹制成一定厚度的膜料;
S5:对S4中制得的膜料进行冷却以及压边处理,然后用制袋机制造成所述家居用塑料环保袋。
6.根据权利要求1-5所述的一种家居用塑料环保袋及其回收方法,其特征在于,所述回收方法包括:
步骤一:将已使用的家居用塑料环保袋进行收集与分拣,在分拣后放入清洗池中进行冲洗,除去泥土等杂质;
步骤二:向步骤一中已冲洗的塑料环保袋进行去油溶剂洗涤,去油溶剂为丙酮、乙酸乙酯混合物,除去塑料环保袋上黏附的油污等有机物;
步骤三:对步骤二中已洗涤的塑料环保袋进行压滤,滤出塑料环保袋上残存的溶剂和水,在压滤完成后进行加入粉碎机中进行粉碎,并得到粉碎物;
步骤四:向步骤三中的粉碎物加入能够溶解塑料的溶解溶剂并使其与粉碎后的塑料充分接触,塑料溶解后产生塑料沉淀;
步骤五:对步骤四中塑料沉淀物进行回收。
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