CN107151344B - 一种高保鲜TiO2改性的PET复合涂布膜的制备方法 - Google Patents

一种高保鲜TiO2改性的PET复合涂布膜的制备方法 Download PDF

Info

Publication number
CN107151344B
CN107151344B CN201710373778.0A CN201710373778A CN107151344B CN 107151344 B CN107151344 B CN 107151344B CN 201710373778 A CN201710373778 A CN 201710373778A CN 107151344 B CN107151344 B CN 107151344B
Authority
CN
China
Prior art keywords
tio
pet
composite
film
modified
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710373778.0A
Other languages
English (en)
Other versions
CN107151344A (zh
Inventor
田璐
钟文
韦雪雪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changde Deyuan Investment Promotion Co ltd
Changde Jinde New Material Technology Co Ltd
Original Assignee
Changde Jinde Laser Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changde Jinde Laser Technology Co Ltd filed Critical Changde Jinde Laser Technology Co Ltd
Priority to CN201710373778.0A priority Critical patent/CN107151344B/zh
Publication of CN107151344A publication Critical patent/CN107151344A/zh
Application granted granted Critical
Publication of CN107151344B publication Critical patent/CN107151344B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04Coating
    • C08J7/0427Coating with only one layer of a composition containing a polymer binder
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/13Phenols; Phenolates
    • C08K5/134Phenols containing ester groups
    • C08K5/1345Carboxylic esters of phenolcarboxylic acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00Use of pretreated ingredients
    • C08K9/04Ingredients treated with organic substances
    • C08K9/06Ingredients treated with organic substances with silicon-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00Use of pretreated ingredients
    • C08K9/10Encapsulated ingredients
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D129/00Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
    • C09D129/02Homopolymers or copolymers of unsaturated alcohols
    • C09D129/04Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2429/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
    • C08J2429/02Homopolymers or copolymers of unsaturated alcohols
    • C08J2429/04Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/14Gas barrier composition
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/16Applications used for films

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)

Abstract

本发明属于包装材料技术领域,具体涉及TiO2改性的PET复合涂布膜的制备方法,本发明以TiO2无机纳米粒子与丙烯酸酯形成TiO2/丙烯酸酯粒子,然后与PET切片经双螺杆挤出机进行挤出造粒、制膜设备双向拉伸得PET/TiO2复合膜,最后经PVA改性涂布液涂布得TiO2改性PET复合涂布膜。本发明制备的TiO2改性PET复合涂布膜具有优异的阻隔性能,符合包装材料的特性,满足食品的货架寿命对包装材料的阻隔性的要求。

Description

一种高保鲜TiO2改性的PET复合涂布膜的制备方法
技术领域
本发明属于包装材料技术领域,具体涉及一种高保鲜TiO2改性的PET复合涂布膜的制备方法。
背景技术
保鲜膜是一种塑料包装制品,通常以乙烯为母料通过聚合反应制成,主要用于微波炉食品加热、冰箱食物保存、生鲜及熟食包装等场合,在家庭生活、超市卖场、宾馆饭店及工业生产的食品包装领域都有广泛应用。根据所用材料及添加塑化剂不同,保鲜膜分为多种类型,可适用于不同的场合。保鲜膜以其方便、经济、美观的特点受到了人们的青睐。然而,由于在生产过程中普遍添加了塑化剂,保鲜膜对人体健康的影响也受到了人们的关注。
软塑包装的一个重要的技术要求是要有良好的阻气阻湿性,因为不少食品的腐败变质是由于氧气和水分渗透过包装材料进入到食品中,给细菌的繁殖生长提供了必要的条件,结果引起了食品的氧化变质。因此,开发生产新颖高阻隔性的包装材料是软塑包装界的一个重要的发展方面。所谓的高阻隔性材料是指标准状态下(23℃,65%RH)25.4μm厚度的薄膜透氧量在5ml/M2.d以下,且透湿量在2g/M2.d以下的材料。通常聚乙烯醇(PVA)、聚偏二氯乙烯共聚物(PVDC)和PET成为三大高阻隔性透明膜。
PET(聚对二甲苯乙二醇酯)膜具有优异的机械性能、耐热性和高透光率,在保护膜基材、耐久性标签基材、数码打印基材等方面具有广泛应用。PET膜用作保护膜基材,由于其表面硬度偏低,因而需要进行硬化处理;PET膜用作耐久性标签基材,由于其本身对高性能紫外光固化标签油墨附着性较差,因而需要进行表面处理;PET膜用作数码喷墨打印耗材,由于需要改善对墨水的吸收性,因而需要涂布吸墨涂层。PET膜涂层是PET膜改性的一个重要途径,以往研究与应用实践中大多采用溶剂型涂料,生产过程环境污染较重。
在聚酯膜中加入纳米添加剂来开发特种PET膜是研究的热点,近年来广泛应用于高聚物/无机纳米复合材料,纳米材料增强的有机聚合物复合材料有更高的强度、高韧性、阻隔性等优点。
但是无机纳米粒子由于粒径小,表面非配对原子多,凝聚力高而易只身团聚,形成带有若干连接界面的尺寸较大的团聚体。这些团聚体的形成使得纳米颗粒不能以其单一的纳米颗粒均匀分散,很多情况下与分散较好的微米粒子应用性能有明显的差别。因此纳米改性有机聚合材料中,如何避免粒子团聚,如何使粒子均匀分散在聚合物是解决问题的关键。
所以开发一种无机纳米粒子改性制备PET复合涂布膜具有重要的意义。
发明内容
本发明的目的是克服现有技术中无机纳米粒子无法在有机聚合物中无法均匀分散、无法应用的缺点,本发明以TiO2无机纳米粒子与丙烯酸酯形成TiO2/丙烯酸酯粒子,然后与PET切片经双螺杆挤出机进行挤出造粒、制膜设备双向拉伸得PET/ TiO2复合膜,最后经PVA改性涂布液涂布得TiO2改性PET复合涂布膜。
本发明是通过以下技术方案实现上述目的的,一种TiO2改性PET复合涂布膜的制备方法,包括以下步骤:
一、TiO2/丙烯酸酯粒子的制备工序:
1)将10g纳米二氧化钛置于160ml去离子水和40ml乙二醇的混合液中,高速搅拌10min使二氧化钛分散在混合液中;
2)然后加入十二烷基磺酸钠升温至80℃,氮气氛围下加热4h;将0.2g过硫酸钾加入到混合液中,然后滴加6.3g乙基-2-甲基-2-丙烯酸酯单体进行乳液聚合反应,滴加结束后继续反应6h;
3)滴加1.2g 10wt%的KH-570偶联剂水溶液,60℃下搅拌5h,然后降温至室温超声分散24h,过滤、60℃下减压干燥、球磨机混摩后过600目筛得TiO2/丙烯酸酯粒子;
二、PET/TiO2复合膜的制备工序:
1)将0.12kg TiO2/丙烯酸酯粒子、15kg PET切片60℃干燥24h后与0.05kg抗氧化剂混合后采用双螺杆挤出机进行挤出,共混挤出后得熔融的PET/TiO2复合材料,然后水冷、造粒得PET/TiO2复合材料;
2)将PET/ TiO2复合材料采用双向拉伸制膜设备进行双向拉伸制备出PET/ TiO2复合膜,所述PET/ TiO2复合膜的厚度为20-30μm;
三、TiO2改性PET复合涂布膜的制备工序:
1)制备PVA改性涂布液:将10g中聚合度的聚乙烯醇溶于200ml 20%V乙醇的水溶液中,然后加入1.6g硅酸镁锂升温至86℃以上搅拌分散0.5h得分散液;分散液中加入0.2g十二烷基磺酸钠、1.4g 1,6-萘二磺酸钠升温至回流加热2h;降温至40℃加入凝胶抗凝剂苄基氰乙基纤维素0.2g、涂布液稳定剂钼酸锌0.4g高速剪切分散30min;降温至室温,过滤得改性聚乙烯醇涂布液;
2)将改性聚乙烯醇涂布液涂布于PET/TiO2复合膜上,然后在55℃下熟化24h得TiO2改性PET复合涂布膜。
优选的,PET/TiO2复合膜的制备工序中所述抗氧剂为抗氧剂1010、抗氧剂168或抗氧剂1076;
优选的,PET/TiO2复合膜的制备工序中挤出机输送段、熔融段、混炼段、排气段和均化段的温度分别为200℃、260℃、260℃、255℃和255℃;所述双螺杆挤出机的螺杆长度与螺杆直径的比例为32:1;
优选的,所述将改性聚乙烯醇涂布液涂布于PET/TiO2复合膜上,改性聚乙烯醇涂布液在PET/TiO2复合膜上的涂布厚度为0.2-5微米;
更优选的,改性聚乙烯醇涂布液在PET/TiO2复合膜上的涂布厚度0.5-2微米,PET/TiO2复合膜厚度为24微米;
与现有技术相比,本发明具有如下优点:
1) 本发明以TiO2为“核”,以有机单体乙基-2-甲基-2-丙烯酸酯对TiO2进行表面改性,在TiO2表面形成“壳”,即形成了壳核结构的TiO2/丙烯酸酯粒子,增加了与PET切片的相容性,另外也避免了TiO2直接加入到PET中会导致TiO2分布不均匀的现象;
2) 本发明对聚乙烯醇涂布液进行了改性,增加了PVA改性涂布液的稳定性,尤其是钼酸锌的加入大大增强了PVA改性涂布液的稳定性;
3) 本发明以自制聚乙烯醇涂布液在PET/TiO2复合膜进行涂布制备出的涂布膜阻隔性好,可应用于新型保鲜防腐包装材料。
附图说明
图1为实施例1制备出的PET/ TiO2复合膜进行扫描电镜(SEM)图谱;
图2为TiO2/丙烯酸酯粒子添加量对PET/ TiO2复合膜拉伸强度的影响。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚明了,下面结合具体实施方式,对本发明进一步详细说明。应该理解,这些描述只是示例性的,而并非要限制本发明的范围。
实施例1制备PET/ TiO2复合膜
一、TiO2/丙烯酸酯粒子的制备工序:
1)将10g纳米二氧化钛置于160ml去离子水和40ml乙二醇的混合液中,高速搅拌10min使二氧化钛分散在混合液中;
2)然后加入十二烷基磺酸钠升温至80℃,氮气氛围下加热4h;将0.2g过硫酸钾加入到混合液中,然后滴加6.3g乙基-2-甲基-2-丙烯酸酯单体进行乳液聚合反应,滴加结束后继续反应6h;
3)滴加1.2g 10wt%的KH-570偶联剂水溶液,60℃下搅拌5h,然后降温至室温超声分散24h,过滤、60℃下减压干燥、球磨机混摩后过600目筛得TiO2/丙烯酸酯粒子;
二、PET/ TiO2复合膜的制备工序:
1)将0.12kg TiO2/丙烯酸酯粒子、15kg PET切片60℃干燥24h后与0.05kg抗氧化剂1010混合后采用双螺杆挤出机进行挤出,共混挤出后得熔融的PET/ TiO2复合材料,然后水冷、造粒得PET/TiO2复合材料;挤出机输送段、熔融段、混炼段、排气段和均化段的温度分别为200℃、260℃、260℃、255℃和255℃;双螺杆挤出机的螺杆长度与螺杆直径的比例为32:1;
2)将PET/ TiO2复合材料采用双向拉伸制膜设备进行双向拉伸制备出PET/ TiO2复合膜,复合膜的厚度控制在20-30μm。
对实施例1制备出的PET/ TiO2复合膜进行扫描电镜检测,结果为图1,从图1中可以看出TiO2在复合膜中分配很均匀,无聚集现象。
对实施例1制备出的厚度为25微米的PET/ TiO2复合膜进行拉伸强度和断裂伸长率的测试(GB1040-92塑料拉伸性能试验方法),并且以纯PET薄膜做对比,结果如表1所示:
表1 PET/ TiO2复合膜力学性能测试结果
拉伸强度/MPa 断裂伸长率/%
PET/ TiO<sub>2</sub>复合膜 240 120
纯PET薄膜 160 90
以上结果表明,采用TiO2对PET进行改性其力学性能大大提高,尤其是拉伸强度提高了1.5倍,断裂伸长率也提高了1.33倍。
另外,本发明在前期研究中发现TiO2/丙烯酸酯粒子在PET切片的重量中所占比例(即TiO2/丙烯酸酯粒子的添加量)对制备出的PET/ TiO2复合膜拉伸强度有很大影响,具体关系如图2所示,图2中X轴代表15kgPET切片中TiO2/丙烯酸酯粒子的添加量,Y轴代表的是拉伸强度,随着TiO2/丙烯酸酯粒子的添加量增加,拉伸强度不断增加,当为0.12kg时拉伸强度达到最大值,随后缓慢下降,所以综合选取0.12kg最优。
实施例2 制备TiO2改性PET复合涂布膜
1)制备PVA改性涂布液:将10g中聚合度的聚乙烯醇溶于200ml 20%V乙醇的水溶液中,然后加入1.6g硅酸镁锂升温至86℃以上搅拌分散0.5h得分散液;分散液中加入0.2g十二烷基磺酸钠、1.4g 1,6-萘二磺酸钠升温至回流加热2h;降温至40℃加入凝胶抗凝剂苄基氰乙基纤维素0.2g、涂布液稳定剂钼酸锌0.4g高速剪切分散30min;降温至室温,过滤得改性聚乙烯醇涂布液;
2)将改性聚乙烯醇涂布液涂布于厚度为25微米的PET/TiO2复合膜上,涂布厚度为0.8微米,然后在55℃下熟化24h得TiO2改性PET复合涂布膜。
对本发明制备出的TiO2改性PET复合涂布膜进行透氧性能测试来评估阻隔性能,薄膜透氧性能测试依据标准GB1038-2000,用BTY-B1 透气性测试仪测试,试样尺寸为直径不小于120mm的圆片,重复试验测试三次,氧气透气量结果为1.241g/m2.24h,表明本发明制备出的TiO2改性PET复合涂布膜具有优异的阻隔性能,符合包装材料的特性,满足食品的货架寿命对包装材料的阻隔性的要求。
尽管已经详细描述了本发明的实施方式,但是应该理解的是,在不偏离本发明的精神和范围的情况下,可以对本发明的实施方式做出各种改变、替换和变更。

Claims (5)

1.一种TiO2改性的PET复合涂布膜的制备方法,包括以下步骤:
一、TiO2/丙烯酸酯粒子的制备工序:
1)将10g纳米二氧化钛置于160ml去离子水和40ml乙二醇的混合液中,高速搅拌10min使二氧化钛分散在混合液中;
2)然后加入十二烷基磺酸钠升温至80℃,氮气氛围下加热4h;将0.2g过硫酸钾加入到混合液中,然后滴加6.3g 2-甲基-2-乙基-丙烯酸酯单体进行乳液聚合反应,滴加结束后继续反应6h;
3)滴加1.2g 10wt%的KH-570偶联剂水溶液,60℃下搅拌5h,然后降温至室温超声分散24h,过滤、60℃下减压干燥、球磨机混摩后过600目筛得TiO2/丙烯酸酯粒子;
二、PET/TiO2复合膜的制备工序:
1)将0.12kg TiO2/丙烯酸酯粒子、15kg PET切片60℃干燥24h后与0.05kg抗氧化剂混合后采用双螺杆挤出机进行挤出,共混挤出后得熔融的PET/TiO2复合材料,然后水冷、造粒得PET/TiO2复合材料;
2)将PET/TiO2复合材料采用双向拉伸制膜设备进行双向拉伸制备出PET/TiO2复合膜,所述PET/TiO2复合膜的厚度为20-30μm;
三、TiO2改性PET复合涂布膜的制备工序:
1)制备PVA改性涂布液:将10g中聚合度的聚乙烯醇溶于200ml 20%V乙醇的水溶液中,然后加入1.6g硅酸镁锂升温至86℃以上搅拌分散0.5h得分散液;分散液中加入0.2g十二烷基磺酸钠、1.4g 1,6-萘二磺酸钠升温至回流加热2h;降温至40℃加入凝胶抗凝剂苄基氰乙基纤维素0.2g、涂布液稳定剂钼酸锌0.4g高速剪切分散30min;降温至室温,过滤得改性聚乙烯醇涂布液;
2)将改性聚乙烯醇涂布液涂布于PET/TiO2复合膜上,然后在55℃下熟化24h得TiO2改性PET复合涂布膜。
2.根据权利要求1所述的制备方法,其特征在于:PET/TiO2复合膜的制备工序中所述抗氧剂为抗氧剂1010、抗氧剂168或抗氧剂1076。
3.根据权利要求1所述的制备方法,其特征在于:PET/TiO2复合膜的制备工序中挤出机输送段、熔融段、混炼段、排气段和均化段的温度分别为200℃、260℃、260℃、255℃和255℃;所述双螺杆挤出机的螺杆长度与螺杆直径的比例为32:1。
4.根据权利要求1所述的制备方法,其特征在于:所述将改性聚乙烯醇涂布液涂布于PET/TiO2复合膜上,改性聚乙烯醇涂布液在PET/TiO2复合膜上的涂布厚度为0.2-5微米。
5.根据权利要求4所述的制备方法,其特征在于:改性聚乙烯醇涂布液在PET/TiO2复合膜上的涂布厚度0.5-2微米,PET/TiO2复合膜厚度为24微米。
CN201710373778.0A 2017-05-24 2017-05-24 一种高保鲜TiO2改性的PET复合涂布膜的制备方法 Active CN107151344B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710373778.0A CN107151344B (zh) 2017-05-24 2017-05-24 一种高保鲜TiO2改性的PET复合涂布膜的制备方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710373778.0A CN107151344B (zh) 2017-05-24 2017-05-24 一种高保鲜TiO2改性的PET复合涂布膜的制备方法

Publications (2)

Publication Number Publication Date
CN107151344A CN107151344A (zh) 2017-09-12
CN107151344B true CN107151344B (zh) 2020-03-10

Family

ID=59793700

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710373778.0A Active CN107151344B (zh) 2017-05-24 2017-05-24 一种高保鲜TiO2改性的PET复合涂布膜的制备方法

Country Status (1)

Country Link
CN (1) CN107151344B (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108148364B (zh) * 2018-01-12 2020-06-05 浙江东太新材料有限公司 一种消光抗紫外高性能pet膜及其制备方法
CN110092930A (zh) * 2019-03-06 2019-08-06 江苏申凯包装高新技术股份有限公司 一种增强增韧刺激响应性软包装抗氧化复合膜的制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1900179A (zh) * 2005-07-20 2007-01-24 章浩龙 一种pet改性的无机材料及其制造方法和用途
DE102006051657A1 (de) * 2006-11-02 2008-05-08 Mitsubishi Polyester Film Gmbh Mehrschichtige, weiße, laserschneidbare und laserbeschreibbare Polyesterfolie
CN103694425A (zh) * 2013-12-17 2014-04-02 华东理工大学 一种用于文物保护及加固的纳米复合材料的制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1900179A (zh) * 2005-07-20 2007-01-24 章浩龙 一种pet改性的无机材料及其制造方法和用途
DE102006051657A1 (de) * 2006-11-02 2008-05-08 Mitsubishi Polyester Film Gmbh Mehrschichtige, weiße, laserschneidbare und laserbeschreibbare Polyesterfolie
CN103694425A (zh) * 2013-12-17 2014-04-02 华东理工大学 一种用于文物保护及加固的纳米复合材料的制备方法

Also Published As

Publication number Publication date
CN107151344A (zh) 2017-09-12

Similar Documents

Publication Publication Date Title
CN110774713B (zh) 一种涂布型高阻隔双向拉伸聚乳酸薄膜及其制备方法
JP2016148056A (ja) 樹脂組成物及びそれを用いた多層構造体
CN107151344B (zh) 一种高保鲜TiO2改性的PET复合涂布膜的制备方法
CN113637232B (zh) 氧化石墨烯/纳米铜复合抗菌剂、抗菌母粒及其制备方法
CN111333888A (zh) 可降解聚乳酸抗菌膜及其制备方法
CN112622380B (zh) 一种高阻隔聚乳酸薄膜及其制备方法
CN113667168A (zh) 一种阻水增强型的可降解抗菌膜及其制备方法与应用
CN105504713A (zh) 一种3d打印用聚乳酸微球改性材料及其制备方法
CN112318891A (zh) 一种高阻隔抗菌尼龙复合薄膜及其制备方法
CN105348786A (zh) 一种等离子体改性尼龙膜工艺方法
CN110172245A (zh) 一种石墨烯改性尼龙66复合材料及其制备方法
CN107586440A (zh) 一种牛肉干环保保鲜袋及其制备方法
TWI492977B (zh) 袋用尼龍薄膜
CN103144392B (zh) 一种光稳定抗菌聚丙烯材料制品及其制备方法
CN105061852A (zh) 高氧阻隔聚乙烯尼龙6纳米复合材料及其制备方法
CN101717553A (zh) 一种高阻隔复合材料及其制备工艺
CN114889282B (zh) 一种抗菌高阻隔多层共挤bopp光膜
CN106243455A (zh) 由石头粉制成的薄膜及其制造方法
CN116199972A (zh) 一种环保生物基材料及其制备方法
CN109705424B (zh) 一种双向拉伸聚乙烯抗菌薄膜及其制备方法
CN106220961B (zh) 由碳酸钙制成的薄膜及其制造方法
CN112391020B (zh) 一种脱模用pva薄膜及其制备方法
CN113927987A (zh) 一种全生物降解自粘保鲜膜及其制备方法
CN107141662B (zh) 一种延长食品保鲜期的聚偏二氯乙烯组合物的制备方法
CN115230271B (zh) 一种高阻隔防粘接复合膜及其制备方法和应用

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 415001 Hunan Changde Changde economic and Technological Development Zone de Shan Street office Qingshan community 325

Patentee after: CHANGDE JINDE NEW MATERIAL TECHNOLOGY Co.,Ltd.

Address before: 415001 Hunan Changde Changde economic and Technological Development Zone de Shan Street office Qingshan community 325

Patentee before: CHANGDE JINDE LASER TECHNOLOGY Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230707

Address after: 415001 Room 1702, 17th Floor, Shuangchuang Building, No. 661 Taolin Road, Changde Economic and Technological Development Zone, Changde City, Hunan Province

Patentee after: Changde Deyuan Investment Promotion Co.,Ltd.

Address before: 325 Deshan Avenue, Qingshan Community, Deshan Subdistricts of China, Changde Economic and Technological Development Zone

Patentee before: CHANGDE JINDE NEW MATERIAL TECHNOLOGY Co.,Ltd.