CN101255249A - Polyethylene repackaging film material composition - Google Patents

Polyethylene repackaging film material composition Download PDF

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Publication number
CN101255249A
CN101255249A CN 200810020659 CN200810020659A CN101255249A CN 101255249 A CN101255249 A CN 101255249A CN 200810020659 CN200810020659 CN 200810020659 CN 200810020659 A CN200810020659 A CN 200810020659A CN 101255249 A CN101255249 A CN 101255249A
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density polyethylene
low density
material
linear low
packaging film
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CN 200810020659
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CN101255249B (en
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徐振明
峰 魏
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中国石化扬子石油化工有限公司
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Abstract

A polyethylene heavy packaging film composite can be widely used for producing blisterpack, such as FFS package, large goods package, tray package and so on, which can effectively improve the all round performance of packaging film, and make the package of goods more beauty, firm, green and effective. The film composite comprises: linear low density polyethylene accounting for 60-80% of the sum of the material, low density polyethylene accounting for 5-25% of the sum of the material, metallocene linear low density polyethylene accounting for 10-30% of the sum of the material, additive accounting for 3-7% of the sum of the material. An automatic feed proportioning system feeds the material of three extruders to die head and the heavy packaging film combination is obtained after three-layer extruding and mixing. The additive is combination of one or several kinds of slippery agent, antistatic agent, antioxidant, opening agent, thermal stabilizer.

Description

一种聚乙烯重包装膜料组合物技术领域本发明涉及一种聚乙烯(PE)重包装膜料组合物。 One kind of polyethylene packaging film composition weight BACKGROUND relates to a polyethylene (PE) composition weight packaging film of the present invention. 属于塑料加工应用技术领域。 Belonging to the technical field of plastic processing applications. 背景技术重包装薄膜是国内近几年发展起来的一种新型包装材料,是一种能够实现连续性一次自动成型、开口充料、加热封口等多道工序和作业过程的新型包装薄膜产品。 BACKGROUND re-packaging films in recent years is the development of a new type of packaging material, is capable of achieving an automatic continuous forming, the material filling the opening, heating and sealing operations and other procedures during the new packaging film products. 能够满足大规模生产自动包装线的高速装填、大型储运和自动码垛的需要,不仅大大提高了包装效率,而且制袋工序简化,只需共挤吹塑、(在线或离线)印刷、封切制袋,大大降低了综合包装成本。 To meet the mass production of high-speed automatic packaging line filling, storage, transportation and automatic stacking of the large need, not only greatly improve the efficiency of packaging and bagging process is simplified, coextrusion blow only, (online or offline) printing, sealing and cutting bag, greatly reducing the overall cost of packaging. 传统的复合编织袋包装必须经过塑料薄膜吹塑、 拉丝、塑料淋复(淋膜)、印刷、分切、封切制袋等一系列复杂的工序,而且生产效率低,单条包装线的包装能力通常限制在500袋/小时以下,而使用重包装薄膜包装线,包装能力通常可达到1700〜1900袋/小时,显然传统的复合编织袋包装不能满足现代化高速包装的需要。 Conventional composite woven bags must be complex series of complex leaching step (lamination), printing, cutting, sealing and cutting through the plastic bag like film blowing, drawing, plastics, and low production efficiency, a single packaging capacity wrapping lines normally limited to 500 bags / hour or less, and a weight packaging film packaging line, generally up to 1700~1900 packaging capacity bags / hour, obviously conventional composite packaging bags can not meet the needs of modern high-speed packaging. 目前,在欧洲等发达国家,重包装薄膜己经成为通用的重包装材料,这种新型的重包装材料不仅能够满足化工原料产品现代化包装的需要, 对大米、大豆等农副产品、农药、化肥、日用化工产品的包装也具有广阔的应用前景。 Currently, in Europe and other developed countries, re-packaging film has become a common re-packaging materials, this new type of re-packaging materials are not only able to meet the needs of modern packaging of chemical raw material products, rice, soybeans and other agricultural products, pesticides, fertilizers, daily chemical products packaging also has broad application prospects. 由于新型重包装薄膜产品自2001年起才刚刚在国内试生产,目前尚处于应用的初始阶段,其产品质量指标仍未形成统一的国家标准,仅仅是参考国外标准由各个用户与供应商之间以合同的形式协商确定。 Because of the new re-packaging film products since 2001, has just trial production in the country, is still in the initial stage of the application, its product quality indicators yet to form a unified national standard, only the reference to foreign standards among the various users and suppliers in the form of a contract negotiation. 产品的配方也不成熟,仍处于不断改进和完善之中,直接导致产品的质量波动性较大,特别是产品的拉伸强度及抗穿刺性能很不稳定,经常发生包体破裂、热封强度不足等多种事故,严重影响了自动包装线的正常生产。 Formulated products is not mature, still in continuous improvement and improve, a direct result of fluctuations in the quality of the product is large, especially the product of tensile strength and puncture resistance is very unstable, often inclusions rupture, heat seal strength lack of other incidents, seriously affected the normal production of automatic packaging line. 发明内容技术问题:本发明的目的是提供一种聚乙烯重包装膜料组合物,可以有效地改善重包装薄膜的性能,解决上述存在的缺陷,同时具备成本低、效益高、强度高、抗穿刺性能优异等优点,并且工作机理简单,适用性广泛,使用效果显著。 Disclosure of Invention Technical Problem: The purpose of the present invention is to provide a packaging film weight polyethylene composition, can effectively improve the performance of the weight of the packaging film, to solve the above-mentioned drawbacks occurring, along with low cost, high efficiency, high strength, resistance excellent puncture resistance, etc., and the working mechanism is simple, broad applicability, the prominent effect. 技术方案:本发明通过对PE重包装膜料的研究,对重包装膜料配方的优化改进,再根据具体用途添加多种添加剂,得到一种PE重包装膜料组合物。 Technical Solution: The present invention, through the study of membrane material PE re-packaging, the packaging film material weight optimization formulation improvement further added various additives according to the particular application, to obtain a weight PE packaging film composition. 该膜料组合物包括线性低密度聚乙烯、低密度聚乙烯、茂金属线性低密度聚乙烯、添加剂,其中,线性低密度聚乙烯,选用己烯或辛烯高级a烯烃做为共聚单体的产品,按质量比占原料总量的60〜80%;低密度聚乙烯,按质量比占原料总量的5~25%;茂金属线性低密度聚乙烯,按质量比占原料总量的10%〜30%;添加剂按质量比占原料总量的3〜7%;通过质量配料系统,将线性低密度聚乙烯、低密度聚乙烯、茂金属线性低密度聚乙烯加入添加剂后分别加入三台挤出机送至模头,进行三层共挤混合后得到聚乙烯重包装膜料组合物。 The film composition comprising a linear low density polyethylene, low density polyethylene, metallocene linear low density polyethylene, additives, wherein the linear low density polyethylene, hexene or octene selection Advanced olefin as a comonomer product, representing a mass ratio of 60~80% of the total material; low density polyethylene, a mass ratio of from 5 to 25% of the raw material; metallocene linear low density polyethylene, a mass ratio of the total raw material accounts for 10 % ~ 30%; ratio of the additive accounts for 3~7% by mass of the total material; by mass after dosing system, the linear low density polyethylene, low density polyethylene, metallocene linear low density polyethylene additives were added to three fed to the extruder die to obtain three layer packaging film weight polyethylene composition after mixing coextrusion. 添加剂为爽滑剂、抗静电剂、抗氧剂、开口剂、热稳定剂中的一种或几种的组合。 Additive is a slip agent, antioxidant, antistatic agent composition of one or more openings agent heat stabilizer. 有益效果:与现有技术相比,本发明的PE重包装膜料组合物可以广泛应用于重包装薄膜领域的生产,如FFS袋包装、大型货物包装、托盘包装等,不仅能显著提高包装薄膜的强度及抗穿刺性能,薄膜横向拉伸强度大于28 Mpa,纵向拉伸强度大于30Mpa,两面的落镖冲击强度大于800g,而且使得货品的包装更加美观、牢固、 节能和高效。 Beneficial effects: Compared with the prior art, PE re-packaging film composition according to the present invention can be widely applied to the field of re-packaging film production, such as FFS bag, large cargo packaging, tray packaging etc., not only can significantly improve the packaging film strength and puncture resistance, tensile strength greater than the transverse film 28 Mpa, the longitudinal tensile strength greater than 30Mpa, dart impact strength is greater than both surfaces 800g, and such that the packaged product is more beautiful, firm, and energy efficient. 重包装薄膜产品的主要性能指标及测试标准<table>table see original document page 4</column></row> <table>具体实施方式该膜料组合物包括线性低密度聚乙烯、低密度聚乙烯、茂金属线性低密度聚乙烯、添加剂,其中,线性低密度聚乙烯,选用己烯或辛烯高级a烯烃做为共聚单体的产品,按质量比占原料总量的60〜80%;低密度聚乙烯,按质量比占原料总量的5~25%;茂金属线性低密度聚乙烯,按质量比占原料总量的10%〜30%;添加剂按质量比占原料总量的3~7%;通过质量配料系统,将线性低密度聚乙烯、低密度聚乙烯、茂金属线性低密度聚乙烯加入添加剂后分别加入三台挤出机送至模头,进行三层共挤混合后得到聚乙烯重包装膜料组合物。 The main performance indexes of re-packaging film product and test standards <table> table see original document page 4 </ column> </ row> <table> DETAILED DESCRIPTION The film composition comprising a linear low density polyethylene, low density polyethylene , metallocene linear low density polyethylene, additives, wherein the linear low density polyethylene, hexene or octene selection advanced as product a-olefin comonomer, representing a mass ratio of 60~80% of the total material; low density polyethylene, a mass ratio of from 5 to 25% of the raw material; metallocene linear low density polyethylene, 10% by mass ratio of ~ 30% of the total material; mass ratio of the total amount of additive material accounts for 3 ~ 7%; after dosing by mass system, the linear low density polyethylene, low density polyethylene, metallocene linear low density polyethylene additives are added after the three extruders to the die, co-extruded three layer obtained by mixing weight polyethylene packaging film composition. 添加剂为爽滑剂、抗静电剂、抗氧剂、开口剂、热稳定剂中的一种或几种的组合。 Additive is a slip agent, antioxidant, antistatic agent composition of one or more openings agent heat stabilizer. 所述抗氧剂为醇酯类抗氧剂1076、亚磷酸酯类抗氧剂168。 The alcohol-based antioxidant is antioxidant 1076, antioxidant 168 phosphite. 所述爽滑剂为芥酸酰胺。 The slip agent is erucamide. 所述抗静电剂为季胺盐或垸基磷酸盐。 The antistatic agent is a quaternary ammonium salt or alkyl with phosphate. 所述开口剂为合成二氧化硅。 Said opening agent is synthetic silica. 所述加工和热稳定剂为硬脂酸锌。 The processing and thermal stabilizer is zinc stearate. 实施例h (按质量计) PE重包装膜料组合物配方为: 线性低密度聚乙烯:70%, (选用共聚单体为辛烯的产品)低密度聚乙烯:10%,(选用美国Exxon公司的LDPE165) 茂金属线性低密度聚乙烯:16%, (选用美国Exxon公司的1018CA)开口剂、爽滑剂、抗静电剂、抗氧剂、加工和热稳定剂:按照一定的比例,总计占4%。 Example h (by mass) PE re-packaging film composition formula of: linear low density polyethylene: 70%, (optional comonomer is octene product) low-density polyethylene: 10%, (optional Exxon U.S. company LDPE165) metallocene linear low-density polyethylene: 16%, (1018CA selection of Exxon company U.S.A.) opening agent, slip agents, antistatic agents, antioxidants, heat stabilizers and processing: according to a certain proportion of the total 4%. 通过三层共挤吹膜生产线按生产工艺挤出成型后,对产品的性能进行取样分析, 所得产品的力学性能全部符合标准,并且与其他重包装产品对比,抗穿刺性能及薄膜强度有显著提高。 After production by coextrusion extrusion line according to the production process, the performance of the product is sampled and analyzed, the mechanical properties of the obtained product conform to the standard, and in contrast to other heavy packaging, the film strength and puncture resistance significantly improved . 具体数据如下:<table>table see original document page 6</column></row> <table>实施例2 (按重量计) 线性低密度聚乙烯:80%,(选用共聚单体为己烯的产品),低密度聚乙烯:6%, (选用北京燕化公司的LDPE165M), 茂金属线性低密度聚乙烯:10% (选用美国Exxon公司的1018CA)开口剂、爽滑剂、抗静电剂、抗氧剂、加工和热稳定剂:按照一定的比例,总计占4%。 Specific data are as follows: <table> table see original document page 6 </ column> </ row> <table> Example 2 (by weight) of linear low density polyethylene embodiments: 80%, (optional comonomer is hexene product), low-density polyethylene: 6% (Beijing Yanhua's selection LDPE165M), metallocene linear low-density polyethylene: 10% (Exxon Corporation U.S. selection 1018CA) opening agent, slip agents, antistatic agents, antioxidants, heat stabilizers and processing: according to a certain proportion, 4% in total. 实施例3 (按质量计) 线性低密度聚乙烯:60%, (选用共聚单体为辛烯的产品), 低密度聚乙烯:腦, (选用扬子巴斯夫公司的LDPE1810D), 茂金属线性低密度聚乙烯:25%,开口剂、爽滑剂、抗静电剂、抗氧剂、加工和热稳定剂:按照一定的比例,总计占5%左右。 60%, (optional comonomer octene product), low-density polyethylene:: brain, (optional Yangzi BASF LDPE1810D), metallocene linear low density Example 3 (by mass) linear low density polyethylene embodiments polyethylene: 25%, the opening, slip agents, antistatic agents, antioxidants, heat stabilizers and processing: according to a certain proportion, around 5% of the total. 实施例4 (按质量计)线性低密度聚乙烯:75%, (共聚单体可选用己烯的产品),茂金属线性低密度聚乙烯:10%, 低密度聚乙烯:10%, (选用中海油公司的2420D),开口剂、爽滑剂、抗静电剂、抗氧剂、加工和热稳定剂:按照一定的比例,总计占5%。 Example 4 (by mass) linear low density polyethylene: 75%, (optional comonomer hexene product), metallocene linear low-density polyethylene: 10%, low-density polyethylene: 10%, (optional CNOOC's 2420d), opening agent, slip agents, antistatic agents, antioxidants, heat stabilizers and processing: according to a certain proportion, in total 5%. 对比例1:取原料总量100kg。 Comparative Example 1: the total amount of the raw materials 100kg. 具体配方如下:<table>table see original document page 7</column></row> <table> Specific formula is as follows: <table> table see original document page 7 </ column> </ row> <table>

Claims (2)

1.一种聚乙烯重包装膜料组合物,其特征在于该膜料组合物包括线性低密度聚乙烯、低密度聚乙烯、茂金属线性低密度聚乙烯、添加剂,其中,线性低密度聚乙烯,选用己烯或辛烯高级α烯烃做为共聚单体的产品,按质量比占原料总量的60~80%;低密度聚乙烯,按质量比占原料总量的5~25%;茂金属线性低密度聚乙烯,按质量比占原料总量的10%~30%;添加剂按质量比占原料总量的3~7%。 A weight polyethylene packaging film composition, wherein the composition comprises a film of linear low density polyethylene, low density polyethylene, metallocene linear low density polyethylene, additives, wherein the linear low density polyethylene , hexene or octene selection advanced α-olefin comonomers used as a product, representing a mass ratio of 60 to 80% of the total material; low density polyethylene, a mass ratio of from 5 to 25% of the raw material; Mao metal linear low density polyethylene, a mass ratio of 10% to 30% of the total material; additive mass ratio accounts for 3 to 7% of the starting material.
2. 根据权利要求l所述的聚乙烯重包装膜料组合物,其特征在于添加剂为爽滑剂、抗静电剂、抗氧剂、开口剂、热稳定剂中的一种或几种的组合。 The weight polyethylene packaging film composition according to claim l, characterized in that the additive is a slip agent, an antistatic agent, an antioxidant, an opening agent, in combination with one or more of a heat stabilizer .
CN2008100206598A 2008-02-19 2008-02-19 Polyethylene repackaging film material composition CN101255249B (en)

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CN101812195A (en) * 2010-04-03 2010-08-25 大连盖特科技发展有限公司 Preparation of low-carbon energy-saving modified polyethylene waterproof special material
CN102001207A (en) * 2010-08-30 2011-04-06 天津精华石化有限公司 Novel FFS heavy packaging film
CN102153809A (en) * 2011-01-25 2011-08-17 云梦县德邦实业有限责任公司 Polyolefin reinforced antistatic slipping agent
CN101928408B (en) * 2009-06-25 2012-01-25 中国石油化工股份有限公司 Composite anti-blocking agent for linear low-density polyethylene film and using method thereof
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CN102408613A (en) * 2010-09-21 2012-04-11 中国石油天然气股份有限公司 Polyethylene heavy packaging film resin composition and preparation method thereof
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CN105754202A (en) * 2016-03-18 2016-07-13 安徽三联泵业股份有限公司 Plastic packaging shrink film for pump
CN105818507A (en) * 2016-03-18 2016-08-03 安徽三联泵业股份有限公司 Anti-rusting and shrinking packaging plastic film for pump
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CN101475074B (en) * 2009-01-22 2012-05-16 黄山永佳(集团)有限公司 Self-lubricating polyethylene membrane
CN101928408B (en) * 2009-06-25 2012-01-25 中国石油化工股份有限公司 Composite anti-blocking agent for linear low-density polyethylene film and using method thereof
CN101812195B (en) * 2010-04-03 2012-09-26 大连盖特科技发展有限公司 Preparation of low-carbon energy-saving modified polyethylene waterproof special material
CN101812195A (en) * 2010-04-03 2010-08-25 大连盖特科技发展有限公司 Preparation of low-carbon energy-saving modified polyethylene waterproof special material
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