CN103819835A - 一种粮食防霉包装袋的制备方法 - Google Patents

一种粮食防霉包装袋的制备方法 Download PDF

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CN103819835A
CN103819835A CN201210466019.6A CN201210466019A CN103819835A CN 103819835 A CN103819835 A CN 103819835A CN 201210466019 A CN201210466019 A CN 201210466019A CN 103819835 A CN103819835 A CN 103819835A
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parts
packing bag
preparation
grains
nano
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黄盛�
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WUXI HUANGSHENG PACKING PRODUCTS Co Ltd
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WUXI HUANGSHENG PACKING PRODUCTS Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7461—Combinations of dissimilar mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/385—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in separate barrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B29B2009/125—Micropellets, microgranules, microparticles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing

Abstract

本发明公开了一种粮食防霉包装袋的制备方法，该薄膜以重量份计由下列组分组成：聚氯乙烯树脂100份，聚丙烯树脂15-25份，邻苯二甲酸二辛酯24-26份，癸二酸二辛酯14-18份，纳米氧化硅6-8份，纳米氧化钛2-4份，轻质碳酸钙4-6份，活性炭4-6份，十八烷基氯化铵3-5份，钙锌复合稳定剂4-6份，硬脂酸2-4份，液体石蜡1.5-2.5份；所述制备方法为：按上述比例称配料，使用高速混合机将上述物料充分混合均匀，在120-130℃温度下在双螺杆挤出机上造粒，再采用单螺杆挤出吹塑机在195-205℃下吹塑成粮食防霉包装袋。

Description

一种粮食防霉包装袋的制备方法
技术领域
本发明涉及包装材料技术领域，尤其涉及一种粮食防霉包装袋的制备方法。
背景技术
保鲜袋是人们常用的一类保鲜食品的塑料包装制品，现在有很多家庭都离不开它们。微波炉食物加热会用上，在冰箱里存放食物同样会用上，人们使用保鲜袋主要是为了防止灰尘和细菌对食物的侵蚀。
目前市场上出售的绝大部分保鲜袋和常用的塑料袋一样，都是以乙烯母料为原材料，根据乙烯母料的不同种类，保鲜袋可分为三大类：第一种是聚乙烯，简称PE，这种材料主要用于食品的包装，平常买回来的水果、蔬菜用的这个膜，包括在超市采购回来的半成品都用的是这种材料；
第二种是聚氯乙烯，简称PVC，这种材料也可以用于食品包装，但它对人体的安全性有一定的影响；第三种是聚偏二氯乙烯，简称PVDC，主要用于一些熟食、火腿等产品的包装。这三种保鲜袋中，PE和PVDC这两种材料的保鲜袋对人体是安全的，可以放心使用，而PVC保鲜袋含有致癌物质，对人体危害较大。从物理角度出发，保鲜袋都有适度的透氧性和透湿度，调节被保鲜品周围的氧气配方组分和水分配方组分，阻隔空气中的灰尘，从而延长食品的保鲜期。
粮食是我国居民赖以生存的必要食物，但每年因霉变而使粮食损失严重，而传统的防霉变的方法大多数是利用自发气调(MA)包装，是利用粮食自身呼吸代谢及塑料薄膜的透气性调节包装内湿度、气体，从而延长粮食贮藏保鲜期。但这种防治方法单一，防霉效果不显著，因此，探索研发一种新型食品防霉包装袋特别关键。
发明内容
本发明的目的在于提出一种粮食防霉包装袋的制备方法，该方法通过对包装袋组分的调整，克服现有技术的缺陷，使得包装袋具有防霉功能，保证粮食的保鲜效果。
为达此目的，本发明采用以下技术方案：
一种粮食防霉包装袋的制备方法，该薄膜以重量份计由下列组分组成：聚氯乙烯树脂100份，聚丙烯树脂15-25份，邻苯二甲酸二辛酯24-26份，癸二酸二辛酯14-18份，纳米氧化硅6-8份，纳米氧化钛2-4份，轻质碳酸钙4-6份，活性炭4-6份，十八烷基氯化铵3-5份，钙锌复合稳定剂4-6份，硬脂酸2-4份，液体石蜡1.5-2.5份；所述制备方法为：按上述比例称配料，使用高速混合机将上述物料充分混合均匀，在120-130℃温度下在双螺杆挤出机上造粒，再采用单螺杆挤出吹塑机在195-205℃下吹塑成粮食防霉包装袋。
本发明的有益效果为：
本发明以纳米氧化硅、纳米氧化钛、轻质碳酸钙、活性炭联合作为抗菌防霉成分，可以吸湿防潮防雾，不结露，从而使得粮食不霉变，长期保鲜。
具体实施方式
实施例一
一种粮食防霉包装袋的制备方法，该薄膜以重量份计由下列组分组成：聚氯乙烯树脂100份，聚丙烯树脂15份，邻苯二甲酸二辛酯26份，癸二酸二辛酯14份，纳米氧化硅8份，纳米氧化钛2份，轻质碳酸钙6份，活性炭4份，十八烷基氯化铵5份，钙锌复合稳定剂4份，硬脂酸4份，液体石蜡1.5份；所述制备方法为：按上述比例称配料，使用高速混合机将上述物料充分混合均匀，在120℃温度下在双螺杆挤出机上造粒，再采用单螺杆挤出吹塑机在205℃下吹塑成粮食防霉包装袋。
实施例二
一种粮食防霉包装袋的制备方法，该薄膜以重量份计由下列组分组成：聚氯乙烯树脂100份，聚丙烯树脂25份，邻苯二甲酸二辛酯24份，癸二酸二辛酯18份，纳米氧化硅6份，纳米氧化钛4份，轻质碳酸钙4份，活性炭6份，十八烷基氯化铵3份，钙锌复合稳定剂6份，硬脂酸2份，液体石蜡2.5份；所述制备方法为：按上述比例称配料，使用高速混合机将上述物料充分混合均匀，在130℃温度下在双螺杆挤出机上造粒，再采用单螺杆挤出吹塑机在195℃下吹塑成粮食防霉包装袋。
实施例三
一种粮食防霉包装袋的制备方法，该薄膜以重量份计由下列组分组成：聚氯乙烯树脂100份，聚丙烯树脂20份，邻苯二甲酸二辛酯25份，癸二酸二辛酯16份，纳米氧化硅7份，纳米氧化钛3份，轻质碳酸钙5份，活性炭5份，十八烷基氯化铵4份，钙锌复合稳定剂5份，硬脂酸3份，液体石蜡2份；所述制备方法为：按上述比例称配料，使用高速混合机将上述物料充分混合均匀，在125℃温度下在双螺杆挤出机上造粒，再采用单螺杆挤出吹塑机在200℃下吹塑成粮食防霉包装袋。

Claims (1)

1.一种粮食防霉包装袋的制备方法，其特征在于，该薄膜以重量份计由下列组分组成：聚氯乙烯树脂100份，聚丙烯树脂15-25份，邻苯二甲酸二辛酯24-26份，癸二酸二辛酯14-18份，纳米氧化硅6-8份，纳米氧化钛2-4份，轻质碳酸钙4-6份，活性炭4-6份，十八烷基氯化铵3-5份，钙锌复合稳定剂4-6份，硬脂酸2-4份，液体石蜡1.5-2.5份；所述制备方法为：按上述比例称配料，使用高速混合机将上述物料充分混合均匀，在120-130℃温度下在双螺杆挤出机上造粒，再采用单螺杆挤出吹塑机在195-205℃下吹塑成粮食防霉包装袋。
CN201210466019.6A 2012-11-16 2012-11-16 一种粮食防霉包装袋的制备方法 Pending CN103819835A (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104385829A (zh) * 2014-10-23 2015-03-04 宁波永贸工艺品有限公司 一种立体相框画
CN105754256A (zh) * 2016-03-28 2016-07-13 安徽鑫雅包装制品有限公司 一种pvc包装材料及应用该材料的包装袋
CN105838099A (zh) * 2016-04-27 2016-08-10 苏州市鼎立包装有限公司 防霉包装袋及其制备方法
CN107226977A (zh) * 2017-06-20 2017-10-03 苏州奥宇包装科技有限公司 一种纸制品用防水包装膜的制备方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104385829A (zh) * 2014-10-23 2015-03-04 宁波永贸工艺品有限公司 一种立体相框画
CN105754256A (zh) * 2016-03-28 2016-07-13 安徽鑫雅包装制品有限公司 一种pvc包装材料及应用该材料的包装袋
CN105838099A (zh) * 2016-04-27 2016-08-10 苏州市鼎立包装有限公司 防霉包装袋及其制备方法
CN107226977A (zh) * 2017-06-20 2017-10-03 苏州奥宇包装科技有限公司 一种纸制品用防水包装膜的制备方法

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Application publication date: 20140528