CN110643290A - 耐候型粘结性薄膜及其制备方法 - Google Patents

耐候型粘结性薄膜及其制备方法 Download PDF

Info

Publication number
CN110643290A
CN110643290A CN201810666408.0A CN201810666408A CN110643290A CN 110643290 A CN110643290 A CN 110643290A CN 201810666408 A CN201810666408 A CN 201810666408A CN 110643290 A CN110643290 A CN 110643290A
Authority
CN
China
Prior art keywords
parts
layer
weather
adhesive film
antioxidant
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.)
Withdrawn
Application number
CN201810666408.0A
Other languages
English (en)
Inventor
王斌
李民
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.)
Shanghai HIUV New Materials Co Ltd
Original Assignee
Shanghai HIUV New Materials 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 Shanghai HIUV New Materials Co Ltd filed Critical Shanghai HIUV New Materials Co Ltd
Priority to CN201810666408.0A priority Critical patent/CN110643290A/zh
Publication of CN110643290A publication Critical patent/CN110643290A/zh
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/29—Laminated material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions 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 a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/16—Homopolymers or copolymers or vinylidene fluoride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/10—Homopolymers or copolymers of methacrylic acid esters
    • C08L33/12—Homopolymers or copolymers of methyl methacrylate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • C09J151/06—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
    • C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/41—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the carrier layer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/414—Additional features of adhesives in the form of films or foils characterized by the presence of essential components presence of a copolymer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2427/00—Presence of halogenated polymer
    • C09J2427/006—Presence of halogenated polymer in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2433/00—Presence of (meth)acrylic polymer
    • C09J2433/006—Presence of (meth)acrylic polymer in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2451/00—Presence of graft polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

本发明涉及一种耐候型粘结性薄膜，其中所述的薄膜从外到内依次包括外层耐候层、中间过渡层、内层粘结层，所述的内层粘结层为马来酸酐改性的聚乙烯。采用了本发明的耐候型粘结性薄膜，对冷轧板、镀锌板、铝板等常用的金属板材均具有良好的粘结力，特别适用于户外环境。

Description

耐候型粘结性薄膜及其制备方法
技术领域
本发明涉及粘结性薄膜技术领域，具体是指一种耐候型粘结性薄膜及其制备方法。
背景技术
一般户外用钢材表面都需要喷涂涂料，涂料中含有溶剂污染环境，减少溶剂使用已形成趋势。因此，需要一种通过热压贴合在钢材表面可达到同喷涂涂料一样的保护钢材、阻止钢材腐蚀的效果的粘结性薄膜。
发明内容
本发明的目的在于针对现有技术的不足，提供一种户外耐候性、耐酸雨及耐大气污染性、耐腐蚀性、抗玷污性等综合性能优良的可热压贴合的耐候型粘结性薄膜及其制备方法。
为了实现上述目的，本发明的耐候型粘结性薄膜及其制备方法如下：
本发明一方面提供了一种耐候型粘结性薄膜，其主要特点是，所述的薄膜从外到内依次包括外层耐候层、中间过渡层、内层粘结层，所述的内层粘结层为马来酸酐改性的聚乙烯。
较佳地，所述的外层耐候层为氟塑料或含氟塑料的合金。
较佳地，所述的外层耐候层为改性PVDF树脂的塑料合金。
更佳地，所述的改性PVDF树脂的塑料合金包括以下质量份的原料：PVDF80～100份、PMMA0.01～20份、丙烯酸酯类增韧剂0.01～5份、紫外吸收剂0.01～2份、抗氧剂0.01～2份。
较佳地，所述的中间过渡层为改性PMMA层。
更佳地，所述的改性PMMA层包括以下质量份的原料：PMMA70～100份、PVDF0.01～10份、丙烯酸酯类增韧剂0.01～30份、紫外吸收剂0.01～2份、抗氧剂0.01～2份。
较佳地，所述的内层粘结层包括以下质量份的原料：马来酸酐改性的聚乙烯70～100份、无机填料0.01～30份、紫外吸收剂0.01～2份、抗氧剂0.01～2份。
所述的丙烯酸酯类增韧剂为聚甲基丙烯酸酯-丁二烯-苯乙烯共聚物MBS、聚丙烯酸丁酯PBA以及聚丙烯酸乙酯PEA中的一种或多种。
所述的紫外吸收剂为具有降低塑料受紫外线破坏的添加剂，包括对苯甲酮类、苯并三唑类、水杨酸酯类、取代丙烯腈类和三嗪类吸收剂中的至少一种。
所述的抗氧剂为酚系抗氧化剂、亚磷酸酯系抗氧化剂、受阻胺类中的一种或多种。
所述的无机填料为钛白粉、滑石粉、高岭土、碳酸钙、玻璃微珠、硫酸钡、炭黑、云母和氧化锌中的一种或多种。
较佳地，所述的外层耐候层厚度为21～50μm、中间过渡层厚度为21～50μm、辐照粘结层厚度为11～50μm。
本发明另一方面提供了一种制备所述的耐候型粘结性薄膜的方法，其主要特点是，所述的方法包括：
步骤(1)：将PVDF80～100份、PMMA0.01～20份、丙烯酸酯类增韧剂0.01～5份、紫外吸收剂0.01～2份、抗氧剂0.01～2份在高混机中混合均匀，通过双螺杆挤出机进行挤出造粒；
步骤(2)：将PMMA70～100份、PVDF0.01～10份、丙烯酸酯类增韧剂0.01～30份、紫外吸收剂0.01～2份、抗氧剂0.01～2份在高混机中混合均匀，通过双螺杆挤出机进行挤出造粒；
步骤(3)：将马来酸酐改性的聚乙烯70～100份、无机填料0.01～30份、紫外吸收剂0.01～2份、抗氧剂0.01～2份在高混机中混合均匀，通过双螺杆挤出机进行挤出造粒；
步骤(4)：将外层用粒料、中间层用粒料和内层用粒料加入各自的单螺杆挤出机中，通过三层共挤流延设备流延一体化成型。
采用了本发明的耐候型粘结性薄膜及其制备方法，对冷轧板、镀锌板、铝板等常用的金属板材均具有良好的粘结力，特别适用于户外环境。
附图说明
图1为本发明的耐候型粘结性薄膜的结构示意图。
附图标记
1 外层耐候层
2 中间过渡层
3 内层粘结层
具体实施方式
为了能够更清楚地描述本发明的技术内容，下面结合具体实施例来进行进一步的描述。
如图1所示，本发明的耐候型粘结性薄膜从外到内依次包括外层耐候层1、中间过渡层2、内层粘结层3，所述的内层粘结层为马来酸酐改性的聚乙烯，所述的三层结构薄膜经三层共挤流延一体成型后即为成品薄膜。
实施例1
外层耐候层原料按重量份计，将93份PVDF(聚偏氟乙烯)、2份PMMA(聚甲基丙烯酸甲酯共聚物)、5份丙烯酸酯类增韧剂2330、1.5份紫外吸收剂234、0.5份抗氧剂1010、0.5份抗氧剂168在高混机中混合均匀后，在200℃的挤出温度下进行挤出造粒，得到外层耐候层原料。
中间过渡层原料按重量份计，将70份PMMA(聚甲基丙烯酸甲酯)、5份PVDF(聚偏氟乙烯)、30份丙烯酸酯类增韧剂M-570、1.5份紫外吸收剂234、0.5份抗氧剂1010、0.5份抗氧剂168在高混机中混合均匀，在220℃挤出温度下进行挤出造粒，得到中间过渡层原料。
内层粘结层原料按重量份计，将100份马来酸酐改性的聚乙烯、30份钛白粉R706、1.5份紫外吸收剂234、0.5份抗氧剂1010、0.5份抗氧剂168在高混机中混合均匀，在150℃挤出温度下进行挤出造粒，得到内层粘结层原料。
将上述各层粒料分别放入三层共挤的单螺杆挤出机中进行流延成型，流延机的温度控制在220℃。通过调节各螺杆的螺杆转速来控制各层的厚度，外层为25μm，中间层为25μm，内层为50μm。将上述薄膜进行耐酸性(50g/L硫酸)测试和耐碱性(50g/L氢氧化钠)测试，浸泡168小时薄膜表面无异常和未见薄膜分层，说明该薄膜具有良好的耐酸碱特性。
实施例2
外层耐候层原料按重量份计，将90份PVDF(聚偏氟乙烯)、5份PMMA(聚甲基丙烯酸甲酯共聚物)、5份丙烯酸酯类增韧剂2330、1.5份紫外吸收剂234、0.5份抗氧剂1010、0.5份抗氧剂168在高混机中混合均匀后，在200℃的挤出温度下进行挤出造粒，得到外层耐候层原料。
中间过渡层原料按重量份计，将70份PMMA(聚甲基丙烯酸甲酯)、5份PVDF(聚偏氟乙烯)、30份丙烯酸酯类增韧剂M-570、1.5份紫外吸收剂234、0.5份抗氧剂1010、0.5份抗氧剂168在高混机中混合均匀，在220℃挤出温度下进行挤出造粒，得到中间过渡层原料。
内层粘结层原料按重量份计，将100份马来酸酐改性的聚乙烯、30份钛白粉R706、1.5份紫外吸收剂234、0.5份抗氧剂1010、0.5份抗氧剂168在高混机中混合均匀，在150℃挤出温度下进行挤出造粒，得到内层粘结层原料。
将上述各层粒料分别放入三层共挤的单螺杆挤出机中进行流延成型，流延机的温度控制在220℃。通过调节各螺杆的螺杆转速来控制各层的厚度，外层为25μm，中间层为25μm，内层为50μm。将上述薄膜进行耐酸性(50g/L硫酸)测试和耐碱性(50g/L氢氧化钠)测试，浸泡168小时薄膜表面无异常和未见薄膜分层，说明该薄膜具有良好的耐酸碱特性。
实施例3
外层耐候层原料按重量份计，将95份PVDF(聚偏氟乙烯)、2份PMMA(聚甲基丙烯酸甲酯共聚物)、3份丙烯酸酯类增韧剂2330、1.5份紫外吸收剂234、0.5份抗氧剂1010、0.5份抗氧剂168在高混机中混合均匀后，在200℃的挤出温度下进行挤出造粒，得到外层耐候层原料。
中间过渡层原料按重量份计，将70份PMMA(聚甲基丙烯酸甲酯)、5份PVDF(聚偏氟乙烯)、30份丙烯酸酯类增韧剂M-570、1.5份紫外吸收剂234、0.5份抗氧剂1010、0.5份抗氧剂168在高混机中混合均匀，在220℃挤出温度下进行挤出造粒，得到中间过渡层原料。
内层粘结层原料按重量份计，将100份马来酸酐改性的聚乙烯、30份钛白粉R706、1.5份紫外吸收剂234、0.5份抗氧剂1010、0.5份抗氧剂168在高混机中混合均匀，在150℃挤出温度下进行挤出造粒，得到内层粘结层原料。
将上述各层粒料分别放入三层共挤的单螺杆挤出机中进行流延成型，流延机的温度控制在220℃。通过调节各螺杆的螺杆转速来控制各层的厚度，外层为25μm，中间层为25μm，内层为25μm。将上述薄膜进行耐酸性(50g/L硫酸)测试和耐碱性(50g/L氢氧化钠)测试，浸泡168小时薄膜表面无异常和未见薄膜分层，说明该薄膜具有良好的耐酸碱特性。
采用了本发明的耐候型粘结性薄膜，对冷轧板、镀锌板、铝板等常用的金属板材均具有良好的粘结力，特别适用于户外环境。
在此说明书中，本发明已参照其特定的实施例作了描述。但是，很显然仍可以作出各种修改和变换而不背离本发明的精神和范围。因此，说明书和附图应被认为是说明性的而非限制性的。

Claims (9)

1.一种耐候型粘结性薄膜，其特征在于，所述的薄膜从外到内依次包括外层耐候层、中间过渡层、内层粘结层，所述的内层粘结层为马来酸酐改性的聚乙烯。
2.根据权利要求1所述的耐候型粘结性薄膜，其特征在于，所述的外层耐候层为氟塑料或含氟塑料的合金。
3.根据权利要求1或2所述的耐候型粘结性薄膜，其特征在于，所述的外层耐候层为改性PVDF树脂的塑料合金。
4.根据权利要求3所述的耐候型粘结性薄膜，其特征在于，所述的改性PVDF树脂的塑料合金包括以下质量份的原料：PVDF80～100份、PMMA0.01～20份、丙烯酸酯类增韧剂0.01～5份、紫外吸收剂0.01～2份、抗氧剂0.01～2份。
5.根据权利要求1所述的耐候型粘结性薄膜，其特征在于，所述的中间过渡层为改性PMMA层。
6.根据权利要求5所述的耐候型粘结性薄膜，其特征在于，所述的改性PMMA层包括以下质量份的原料：PMMA70～100份、PVDF0.01～10份、丙烯酸酯类增韧剂0.01～30份、紫外吸收剂0.01～2份、抗氧剂0.01～2份。
7.根据权利要求1所述的耐候型粘结性薄膜，其特征在于，所述的内层粘结层包括以下质量份的原料：马来酸酐改性的聚乙烯70～100份、无机填料0.01～30份、紫外吸收剂0.01～2份、抗氧剂0.01～2份。
8.根据权利要求1所述的耐候型粘结性薄膜，其特征在于，所述的外层耐候层厚度为21～50μm、中间过渡层厚度为21～50μm、内层粘结层厚度为11～50μm。
9.一种制备权利要求1至8中任一项所述的耐候型粘结性薄膜的方法，其特征在于，所述的方法包括步骤：
(1)：将PVDF80～100份、PMMA0.01～20份、丙烯酸酯类增韧剂0.01～5份、紫外吸收剂0.01～2份、抗氧剂0.01～2份在高混机中混合均匀，通过双螺杆挤出机进行挤出造粒；
(2)：将PMMA70～100份、PVDF0.01～10份、丙烯酸酯类增韧剂0.01～30份、紫外吸收剂0.01～2份、抗氧剂0.01～2份在高混机中混合均匀，通过双螺杆挤出机进行挤出造粒；
(3)：将马来酸酐改性的聚乙烯70～100份、无机填料0.01～30份、紫外吸收剂0.01～2份、抗氧剂0.01～2份在高混机中混合均匀，通过双螺杆挤出机进行挤出造粒；
(4)：将外层用粒料、中间层用粒料和内层用粒料加入各自的单螺杆挤出机中，通过三层共挤流延设备流延一体化成型。
CN201810666408.0A 2018-06-26 2018-06-26 耐候型粘结性薄膜及其制备方法 Withdrawn CN110643290A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810666408.0A CN110643290A (zh) 2018-06-26 2018-06-26 耐候型粘结性薄膜及其制备方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810666408.0A CN110643290A (zh) 2018-06-26 2018-06-26 耐候型粘结性薄膜及其制备方法

Publications (1)

Publication Number Publication Date
CN110643290A true CN110643290A (zh) 2020-01-03

Family

ID=69008690

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810666408.0A Withdrawn CN110643290A (zh) 2018-06-26 2018-06-26 耐候型粘结性薄膜及其制备方法

Country Status (1)

Country Link
CN (1) CN110643290A (zh)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106541656A (zh) * 2016-09-19 2017-03-29 浙江凯阳新材料股份有限公司 一种三层共挤出聚偏氟乙烯薄膜及其制备方法
CN107199752A (zh) * 2016-03-16 2017-09-26 上海海优威新材料股份有限公司 聚偏氟乙烯复合膜及其制备方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107199752A (zh) * 2016-03-16 2017-09-26 上海海优威新材料股份有限公司 聚偏氟乙烯复合膜及其制备方法
CN106541656A (zh) * 2016-09-19 2017-03-29 浙江凯阳新材料股份有限公司 一种三层共挤出聚偏氟乙烯薄膜及其制备方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
向明等: "《热熔胶粘剂》", 28 February 2002, 化学工业出版社 *

Similar Documents

Publication Publication Date Title
CA2565476A1 (en) Molding compound for molded parts with high weather resistance
JPH024423B2 (zh)
CN106541656A (zh) 一种三层共挤出聚偏氟乙烯薄膜及其制备方法
US9987820B2 (en) Multilayer structures containing biopolymers
CN110183984B (zh) 生物降解封箱胶带
CN103722747B (zh) 一种提高可塑性的金属覆膜pvc型材的制备方法
CN105566818A (zh) 一种聚偏氟乙烯薄膜及其制备方法
CN102653154B (zh) 自粘性聚偏氟乙烯薄膜及用其制备的太阳能光伏电池背板
CN111038051A (zh) Pvc和asa共挤型材及其制备方法
CN102717515A (zh) 一种再生塑料门窗型材制造工艺
CN102441974A (zh) 铝塑木制纤维复合型材的生产方法
CN108215411A (zh) 一种聚丙烯/聚偏氟乙烯共挤保护膜及其制备方法
CN110205044B (zh) 生物降解封箱胶带制备方法及生物降解封箱胶带
DE112012004295T5 (de) Verbundprofil aus Aluminium, Kunststoff und Holzfasern, und dessen Herstellungsverfahren
CN206510542U (zh) 一种三层共挤出聚偏氟乙烯薄膜
CN110643290A (zh) 耐候型粘结性薄膜及其制备方法
CN111497400A (zh) 一种多用途金塑复合建筑覆盖保护材料及工艺方法
CN107974018A (zh) 一种高耐候pmma薄膜专用料及其制备方法和应用
CN110643291A (zh) 具有辐照处理内层的粘结性薄膜及其制备方法
CN105176071B (zh) 一种无氟两层共挤光伏背板及其制备方法
CN104890340A (zh) 一种户外高耐候性高强度共挤塑木复合地板及其制造工艺
CN114290717A (zh) 一种抗渗透耐拉伸防水卷材的制备方法
CN106009544A (zh) 一种用于纳米注塑的聚酯复合材料及其制备方法
KR100222240B1 (ko) 내후성이 우수한 엔지니어링 플라스틱 쉬이트의 제조방법
KR101712416B1 (ko) 내후성 복합시트

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
WW01 Invention patent application withdrawn after publication

Application publication date: 20200103

WW01 Invention patent application withdrawn after publication