CN1080739C - 除草地膜 - Google Patents
除草地膜 Download PDFInfo
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- CN1080739C CN1080739C CN 96118792 CN96118792A CN1080739C CN 1080739 C CN1080739 C CN 1080739C CN 96118792 CN96118792 CN 96118792 CN 96118792 A CN96118792 A CN 96118792A CN 1080739 C CN1080739 C CN 1080739C
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Abstract
本发明属于一种农用除草地膜。是以塑料树脂、乙草胺原油、农用乳化剂为主要原料生产的。其含量:塑料树脂为97.0~99.25%,80%乙草胺原油为0.715~2.86%,农用乳化剂为0.035~0.14%。将80%乙草胺原油与农用乳化剂经自动计量配制成母液,再与塑料树脂经高速搅拌机搅拌3-5分钟,混合均匀后溶融、挤出、吹塑而成。本发明可用于玉米、马铃薯、棉花、村瓜、露地移栽蔬菜植物,室内存放两年仍有很高的除草效果,地膜无正反之分,按常规农事操作即可,其含量均为自动定量配制。
Description
本发明属于一种农用除草地膜。
目前农用除草地膜加工方法有:一种是将除草剂活性成分与聚乙烯醇水溶液和助剂配制成涂敷药液,采用喷涂或涂布的方法制成单层有药的双层地膜,这种膜厚度为0.012~0.14mm,成本比较高,而且药膜分正反面,覆用麻烦。另一种用除草剂的50%溶液和助剂配成母液后,再与塑料树脂共混吹塑而成,采用低溶度溶液影响药膜单位面积除草剂有效成分的含量,量少除草效果差,量大药膜物理机械性能不好。还有一种是母液和塑料树脂采用人工搅拌混合吹塑,这种共混方法很难使药料充分混匀,造成田间防效不稳定,并且对人的皮肤和眼睛有轻微刺激。
本发明的目的是提供一种除草地膜,选择高沸点低挥发性的除草剂原油,通过自动定量配成母液,再与塑料树脂经高速搅拌机搅拌,自动进入吹塑机料斗,经溶融、挤出、吹塑而成,采用这种方法加工的除草地膜,其物理机械性能达到国家规定的优等品标准,室内存放两年仍有很高的除草效果,可用于玉米、棉花、籽瓜、露地移栽蔬菜等。
本发明以塑料树脂、乙草胺原油、农用乳化剂为主要原料生产的,其含量:塑料树脂为97.0~99.25%,80%乙草胺原油为0.715~2.86%,农用乳化剂为0.035~0.14%;将80%乙草胺原油与农用乳化剂经自动计量配制成母液,再与塑料树脂经高速搅拌机搅拌3~5分钟,混合均匀后溶融、挤出、吹塑而成。成品除草地膜中除草活性成分乙草胺的含量为47~188mg/m2,厚度为0.007~0.008mm。
本发明可以用于玉米、马铃薯、棉花、籽瓜、露地移栽蔬菜作物,室内存放两年仍有很高的除草效果,地膜无正反之分,按常规农事操作即可,其含量均为自动定量配制。
本发明是这样实现:首先选择高沸点低挥发性的80%乙草胺原油1.4525kg(含有效成分1.162kg),与农用乳化剂0.0726kg,经自动计量配制成母液,再与塑料树脂100kg经2000~4000转/分高速搅拌机搅拌4分钟混合均匀后,自动进入吹塑机料斗,溶融、挤出、吹塑而成。成品除草地膜中除草活性成分乙草胺含量为94mg/m2(有效成分为75.2mg/m2),厚度为0.007mm。或者选择高沸点低挥发性的80%乙草胺原油1.275kg与农用乳化剂0.06375kg,经自动计量配制成母液,再与塑料树脂100kg经高速搅拌机搅拌4分钟混合均匀后自动进入吹塑机料斗,溶融、挤出、吹塑而成。成品除草地膜中除草活性成分乙草胺含量为94mg/m2(有效成分为75.2mg/m2),厚度为0.008mm。
Claims (1)
1.一种除草地膜以塑料树脂,乙草胺原油、农用乳化剂为主要原料生产的,其特征在于:
a、含量:塑料树脂为97.0~99.25%,80%乙草胺原油为0.715~2.86%,农用乳化剂为0.035~0.14%;
b、将80%乙草胺原油与农用乳化剂经自动计量配制成母液,再与塑料树脂经高速搅拌机搅拌3~5分钟混合均匀后溶融、挤出、吹塑而成;成品除草地膜中除草活性成分乙草胺的含量为47~188mg/m2;厚度为0.007~0.008mm。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 96118792 CN1080739C (zh) | 1996-10-30 | 1996-10-30 | 除草地膜 |
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CN 96118792 CN1080739C (zh) | 1996-10-30 | 1996-10-30 | 除草地膜 |
Publications (2)
Publication Number | Publication Date |
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CN1155557A CN1155557A (zh) | 1997-07-30 |
CN1080739C true CN1080739C (zh) | 2002-03-13 |
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CN 96118792 Expired - Fee Related CN1080739C (zh) | 1996-10-30 | 1996-10-30 | 除草地膜 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101347112B (zh) * | 2008-09-09 | 2013-07-03 | 胡众鑫 | 一种新型高效除草地膜 |
BR112013001156A2 (pt) * | 2010-07-16 | 2016-11-16 | Bayer Innovation Gmbh | material de composto polimérico com funcionalidade biocida |
CN103254535A (zh) * | 2013-06-01 | 2013-08-21 | 白月超 | 一种农用除草薄膜及其制备方法 |
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1996
- 1996-10-30 CN CN 96118792 patent/CN1080739C/zh not_active Expired - Fee Related
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CN1155557A (zh) | 1997-07-30 |
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