CN108912407A - 一种抗菌生物可降解地膜 - Google Patents
一种抗菌生物可降解地膜 Download PDFInfo
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Abstract
本发明公开了一种抗菌生物可降解地膜,由以下重量份的原料制成:聚乙烯30‑50份、葛根淀粉60‑80份、聚甲基乙撑碳酸酯10‑20份、淀粉‑甲基丙烯酸接枝共聚物10‑14份、纳米二氧化钛3‑6份、纳米硅藻土4‑8份、纳米植物纤维3‑7份、臭氧油1‑5份、相容剂1‑4份、抗菌中草药粉2‑6份、有机塑化剂2‑5份、改性壳聚糖3‑8份、光降解剂2‑5份,本发明的地膜可有效抑菌,具有优良的生物降解性,在地膜周围的害虫少,驱虫效果好,且本发明的地膜不会对植物的生产造成影响;原料易得,成本低;纳米二氧化钛、纳米硅藻土的加入,地膜的机械性能和耐水性显著提高。
Description
技术领域
本发明涉及塑料薄膜领域,具体是一种抗菌生物可降解地膜。
背景技术
地膜即地面覆盖薄膜,通常是透明或黑色PE薄膜,也有绿、银色薄膜,用于地面覆盖,以提高土壤温度,保持土壤水分,维持土壤结构,防止害虫侵袭作物和某些微生物引起的病害等,促进植物生长的功能。
地膜看上去薄薄一层,但作用相当大。不仅能够提高地温、保水、保土、保肥提高肥效,而且还有灭草、防病虫、防旱抗涝、抑盐保苗、改进近地面光热条件,使产品卫生清洁等多项功能。对于那些刚出土的幼苗来说,具有护根促长等作用。对于我国三北地区,低温、少雨、干旱贫脊、无霜期短等限制农业发展的因素,具有很强的针对性和适用性,对于种植二季水稻育秧及多种作物栽培上也起了作用。
但是现有的地膜依然存在以下缺点:抑菌效果差,一般不具有驱虫效果,地温升高时会促进地下有害病菌的繁殖生长,以致影响作物的生长发育。塑料降解速度非常缓慢,土壤中残留的高分子量聚乙烯膜的完全分解需要200-300年时间。为了解决塑料制品带来的“白色污染”问题,近年来,可降解性塑料的研究和生产发展很快,使用可降解生物地膜也逐渐成为地膜应用趋势。
发明内容
本发明的目的在于提供一种抗菌生物可降解地膜,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:
一种抗菌生物可降解地膜,由以下重量份的原料制成:
聚乙烯30-50份、葛根淀粉60-80份、聚甲基乙撑碳酸酯10-20份、淀粉-甲基丙烯酸接枝共聚物10-14份、纳米二氧化钛3-6份、纳米硅藻土4-8份、纳米植物纤维3-7份、臭氧油1-5份、相容剂1-4份、抗菌中草药粉2-6份、有机塑化剂2-5份、改性壳聚糖3-8份、光降解剂2-5份。
一种抗菌生物可降解地膜,由以下重量份的原料制成:
聚乙烯30份、葛根淀粉60份、聚甲基乙撑碳酸酯10份、淀粉-甲基丙烯酸接枝共聚物10份、纳米二氧化钛3份、纳米硅藻土4份、纳米植物纤维3份、臭氧油1份、相容剂1份、抗菌中草药粉2份、有机塑化剂2份、改性壳聚糖3份、光降解剂2份。
一种抗菌生物可降解地膜,由以下重量份的原料制成:
聚乙烯50份、葛根淀粉80份、聚甲基乙撑碳酸酯20份、淀粉-甲基丙烯酸接枝共聚物14份、纳米二氧化钛6份、纳米硅藻土8份、纳米植物纤维7份、臭氧油5份、相容剂4份、抗菌中草药粉6份、有机塑化剂5份、改性壳聚糖8份、光降解剂5份。
一种抗菌生物可降解地膜,由以下重量份的原料制成:
聚乙烯40份、葛根淀粉70份、聚甲基乙撑碳酸酯15份、淀粉-甲基丙烯酸接枝共聚物12份、纳米二氧化钛5份、纳米硅藻土6份、纳米植物纤维5份、臭氧油3份、相容剂3份、抗菌中草药粉4份、有机塑化剂3.5份、改性壳聚糖6份、光降解剂4份。
所述抗菌中草药粉,包括以下重量份的原料:
除虫菊2-4份、黄柏1-3份、穿心莲2-7份、夏枯草4-6份、地骨皮1-3份、白茅根2-5份、大蒜精油2-6份。
优选地,所述抗菌中草药粉,包括以下重量份的原料:
除虫菊3份、黄柏2份、穿心莲4.5份、夏枯草5份、地骨皮2份、白茅根3.5份、大蒜精油4份。
所述纳米植物纤维选自棉籽壳、红薯藤、中药渣、竹子的废弃物制成的植物纤维。
所述相容剂为三元乙丙橡胶枝马来酸酐、乙烯-辛烯共聚物接枝马来酸酐、乙烯-乙基丙烯酸酯(EEA)共聚物,乙烯-甲基丙烯酸酯(EMA)共聚物,乙烯-丁基丙烯酸酯(EBA)共聚物、甲基丙烯酸甲酯-丁二烯-苯乙烯三元共聚物(MBS)中的至少一种。
所述有机塑化剂为木糖醇、山梨醇、麦芽糖醇、海藻酸钠、明胶中的一种。
所述改性壳聚糖为烷基季铵盐与氧取代壳聚糖羧酸盐反应制得。
与现有技术相比,本发明的有益效果是:
本发明的地膜可有效抑菌,具有优良的生物降解性,在地膜周围的害虫少,驱虫效果好,且本发明的地膜不会对植物的生产造成影响;原料易得,成本低;纳米二氧化钛、纳米硅藻土的加入,地膜的机械性能和耐水性显著提高;地膜可生物降解,完成正常保墒、保温功能外,还能提高土壤肥力,并不会对环境造成污染。聚甲基乙撑碳酸酯是一种完全可降解的环保型塑料,制得的塑料包装袋具有降解的效果,很大程度上减少了对环境的污染;本发明在原料中还添加了抗菌中草药粉,具有很好的抗菌性能和防腐性能,可以有效抑制地膜内细菌的滋生和防腐。
具体实施方式
实施例1
一种抗菌生物可降解地膜,由以下重量份的原料制成:
聚乙烯30份、葛根淀粉60份、聚甲基乙撑碳酸酯10份、淀粉-甲基丙烯酸接枝共聚物10份、纳米二氧化钛3份、纳米硅藻土4份、纳米植物纤维3份、臭氧油1份、相容剂1份、抗菌中草药粉2份、有机塑化剂2份、改性壳聚糖3份、光降解剂2份。
所述抗菌中草药粉,包括以下重量份的原料:
除虫菊2份、黄柏1份、穿心莲2份、夏枯草4份、地骨皮1份、白茅根2份、大蒜精油2份。
所述纳米植物纤维选自棉籽壳、红薯藤、中药渣、竹子的废弃物制成的植物纤维。
所述相容剂为三元乙丙橡胶枝马来酸酐、乙烯-辛烯共聚物接枝马来酸酐、乙烯-乙基丙烯酸酯(EEA)共聚物,乙烯-甲基丙烯酸酯(EMA)共聚物,乙烯-丁基丙烯酸酯(EBA)共聚物、甲基丙烯酸甲酯-丁二烯-苯乙烯三元共聚物(MBS)中的至少一种。
所述有机塑化剂为木糖醇、山梨醇、麦芽糖醇、海藻酸钠、明胶中的一种。
所述改性壳聚糖为烷基季铵盐与氧取代壳聚糖羧酸盐反应制得。
实施例2
一种抗菌生物可降解地膜,由以下重量份的原料制成:
聚乙烯50份、葛根淀粉80份、聚甲基乙撑碳酸酯20份、淀粉-甲基丙烯酸接枝共聚物14份、纳米二氧化钛6份、纳米硅藻土8份、纳米植物纤维7份、臭氧油5份、相容剂4份、抗菌中草药粉6份、有机塑化剂5份、改性壳聚糖8份、光降解剂5份。
所述抗菌中草药粉,包括以下重量份的原料:
除虫菊4份、黄柏3份、穿心莲7份、夏枯草6份、地骨皮3份、白茅根5份、大蒜精油6份。
所述纳米植物纤维选自棉籽壳、红薯藤、中药渣、竹子的废弃物制成的植物纤维。
所述相容剂为三元乙丙橡胶枝马来酸酐、乙烯-辛烯共聚物接枝马来酸酐、乙烯-乙基丙烯酸酯(EEA)共聚物,乙烯-甲基丙烯酸酯(EMA)共聚物,乙烯-丁基丙烯酸酯(EBA)共聚物、甲基丙烯酸甲酯-丁二烯-苯乙烯三元共聚物(MBS)中的至少一种。
所述有机塑化剂为木糖醇、山梨醇、麦芽糖醇、海藻酸钠、明胶中的一种。
所述改性壳聚糖为烷基季铵盐与氧取代壳聚糖羧酸盐反应制得。
实施例3
一种抗菌生物可降解地膜,由以下重量份的原料制成:
聚乙烯40份、葛根淀粉70份、聚甲基乙撑碳酸酯15份、淀粉-甲基丙烯酸接枝共聚物12份、纳米二氧化钛5份、纳米硅藻土6份、纳米植物纤维5份、臭氧油3份、相容剂3份、抗菌中草药粉4份、有机塑化剂3.5份、改性壳聚糖6份、光降解剂4份。
所述抗菌中草药粉,包括以下重量份的原料:
除虫菊3份、黄柏2份、穿心莲4.5份、夏枯草5份、地骨皮2份、白茅根3.5份、大蒜精油4份。
所述纳米植物纤维选自棉籽壳、红薯藤、中药渣、竹子的废弃物制成的植物纤维。
所述相容剂为三元乙丙橡胶枝马来酸酐、乙烯-辛烯共聚物接枝马来酸酐、乙烯-乙基丙烯酸酯(EEA)共聚物,乙烯-甲基丙烯酸酯(EMA)共聚物,乙烯-丁基丙烯酸酯(EBA)共聚物、甲基丙烯酸甲酯-丁二烯-苯乙烯三元共聚物(MBS)中的至少一种。
所述有机塑化剂为木糖醇、山梨醇、麦芽糖醇、海藻酸钠、明胶中的一种。
所述改性壳聚糖为烷基季铵盐与氧取代壳聚糖羧酸盐反应制得。
Claims (9)
1.一种抗菌生物可降解地膜,其特征在于,由以下重量份的原料制成:
聚乙烯30-50份、葛根淀粉60-80份、聚甲基乙撑碳酸酯10-20份、淀粉-甲基丙烯酸接枝共聚物10-14份、纳米二氧化钛3-6份、纳米硅藻土4-8份、纳米植物纤维3-7份、臭氧油1-5份、相容剂1-4份、抗菌中草药粉2-6份、有机塑化剂2-5份、改性壳聚糖3-8份、光降解剂2-5份。
2.根据权利要求1所述的抗菌生物可降解地膜,其特征在于,由以下重量份的原料制成:
聚乙烯30份、葛根淀粉60份、聚甲基乙撑碳酸酯10份、淀粉-甲基丙烯酸接枝共聚物10份、纳米二氧化钛3份、纳米硅藻土4份、纳米植物纤维3份、臭氧油1份、相容剂1份、抗菌中草药粉2份、有机塑化剂2份、改性壳聚糖3份、光降解剂2份。
3.根据权利要求1所述的抗菌生物可降解地膜,其特征在于,由以下重量份的原料制成:
聚乙烯50份、葛根淀粉80份、聚甲基乙撑碳酸酯20份、淀粉-甲基丙烯酸接枝共聚物14份、纳米二氧化钛6份、纳米硅藻土8份、纳米植物纤维7份、臭氧油5份、相容剂4份、抗菌中草药粉6份、有机塑化剂5份、改性壳聚糖8份、光降解剂5份。
4.根据权利要求1所述的抗菌生物可降解地膜,其特征在于,由以下重量份的原料制成:
聚乙烯40份、葛根淀粉70份、聚甲基乙撑碳酸酯15份、淀粉-甲基丙烯酸接枝共聚物12份、纳米二氧化钛5份、纳米硅藻土6份、纳米植物纤维5份、臭氧油3份、相容剂3份、抗菌中草药粉4份、有机塑化剂3.5份、改性壳聚糖6份、光降解剂4份。
5.根据权利要求1所述的抗菌生物可降解地膜,其特征在于,所述抗菌中草药粉,包括以下重量份的原料:
除虫菊2-4份、黄柏1-3份、穿心莲2-7份、夏枯草4-6份、地骨皮1-3份、白茅根2-5份、大蒜精油2-6份。
6.根据权利要求1所述的抗菌生物可降解地膜,其特征在于,所述抗菌中草药粉,包括以下重量份的原料:
除虫菊3份、黄柏2份、穿心莲4.5份、夏枯草5份、地骨皮2份、白茅根3.5份、大蒜精油4份。
7.根据权利要求1所述的抗菌生物可降解地膜,其特征在于,所述纳米植物纤维选自棉籽壳、红薯藤、中药渣、竹子的废弃物制成的植物纤维。
8.根据权利要求1所述的抗菌生物可降解地膜,其特征在于,所述相容剂为三元乙丙橡胶枝马来酸酐、乙烯-辛烯共聚物接枝马来酸酐、乙烯-乙基丙烯酸酯(EEA)共聚物,乙烯-甲基丙烯酸酯(EMA)共聚物,乙烯-丁基丙烯酸酯(EBA)共聚物、甲基丙烯酸甲酯-丁二烯-苯乙烯三元共聚物(MBS)中的至少一种。
9.根据权利要求1所述的抗菌生物可降解地膜,其特征在于,所述有机塑化剂为木糖醇、山梨醇、麦芽糖醇、海藻酸钠、明胶中的一种;
所述改性壳聚糖为烷基季铵盐与氧取代壳聚糖羧酸盐反应制得。
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CN109912917A (zh) * | 2019-01-24 | 2019-06-21 | 鲍可可 | 一种土壤修复用隔离覆膜及其制备方法 |
CN111040255A (zh) * | 2019-12-26 | 2020-04-21 | 深圳市虹彩新材料科技有限公司 | 一种生物基聚乙烯/淀粉共混改性吹膜材料及其制备方法 |
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CN109912917A (zh) * | 2019-01-24 | 2019-06-21 | 鲍可可 | 一种土壤修复用隔离覆膜及其制备方法 |
CN109912917B (zh) * | 2019-01-24 | 2021-09-17 | 杭州益壤环境科技集团有限公司 | 一种土壤修复用隔离覆膜及其制备方法 |
CN111040255A (zh) * | 2019-12-26 | 2020-04-21 | 深圳市虹彩新材料科技有限公司 | 一种生物基聚乙烯/淀粉共混改性吹膜材料及其制备方法 |
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