CN111993708B - 一种离型膜及其制备方法 - Google Patents
一种离型膜及其制备方法 Download PDFInfo
- Publication number
- CN111993708B CN111993708B CN201910421168.2A CN201910421168A CN111993708B CN 111993708 B CN111993708 B CN 111993708B CN 201910421168 A CN201910421168 A CN 201910421168A CN 111993708 B CN111993708 B CN 111993708B
- Authority
- CN
- China
- Prior art keywords
- layer
- mfr
- temperature
- 10min
- release film
- 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
Links
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000004698 Polyethylene Substances 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 15
- 229920001684 low density polyethylene Polymers 0.000 claims description 11
- 239000004702 low-density polyethylene Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 9
- 238000005496 tempering Methods 0.000 claims description 6
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 4
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 4
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 229920002120 photoresistant polymer Polymers 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims 10
- 239000004743 Polypropylene Substances 0.000 claims 7
- 229920001155 polypropylene Polymers 0.000 claims 7
- 229920001707 polybutylene terephthalate Polymers 0.000 claims 5
- -1 Polyethylene Polymers 0.000 claims 3
- 238000000465 moulding Methods 0.000 claims 1
- 239000000853 adhesive Substances 0.000 abstract description 7
- 230000001070 adhesive effect Effects 0.000 abstract description 7
- 239000010410 layer Substances 0.000 abstract 7
- 239000012790 adhesive layer Substances 0.000 abstract 1
- 239000010408 film Substances 0.000 description 38
- 238000003825 pressing Methods 0.000 description 5
- 239000002390 adhesive tape Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000007731 hot pressing Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013039 cover film Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/06—Interconnection of layers permitting easy separation
-
- 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
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/05—5 or more layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
- B32B2250/246—All polymers belonging to those covered by groups B32B27/32 and B32B27/30
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/08—PCBs, i.e. printed circuit boards
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
本发明提供一种柔性线路板用的离型膜。其由五层结构组成,其中最外层为离型层,最内层为阻胶层,离型层与阻胶层之间为粘合层。这种离型膜具有高离型性、高挺度和高阻胶性。该离型膜由共挤出成形法得到,制备方法简单。
Description
技术领域
本发明涉及包含由无硅型耐高温离型薄膜,主要应用在柔性印刷线路板(FPC)压合过程中的离型膜,其具有高离型性、高挺度和高阻胶性,属于高分子化合物材料领域。
背景技术
柔性电路板又称"软板",是用柔性的绝缘基材制成的印刷电路。柔性电路提供优良的电性能,能满足更小型和更高密度安装的设计需要,也有助于减少组装工序和增强可靠性。柔性电路板是满足电子产品小型化和移动要求的惟一解决方法。柔性电路板可大大缩小电子产品的体积和重量,适用电子产品向高密度、小型化、高可靠方向发展的需要。
柔性印刷线路板有单面、双面和多层板之分。所采用的基材以聚酰亚胺覆铜板为主。此种材料耐热性高、尺寸稳定性好,与兼有机械保护和良好电气绝缘性能的覆盖膜通过压制而成最终产品。在柔性线路板的制备过程中,聚酰亚胺薄膜上面需要有离型膜进行保护压合,由于热压温度会在180℃以上,因此需要耐高温要求,由于目前线路板越来越复杂,因此需要高挺度的离型膜。
本发明提供了一种离型膜以及制备方法,其为五层结构,结构合理。工艺制备路线能够一步成型,性价比高,且具有高离型性、高挺度和高阻胶性的特性。
发明内容
本发明的目的在于提供一种适用于柔性线路板热压的无硅离型膜,该离型膜在加热和加压过程中可有效避免PI膜与金属板的贴合,且不会在非印刷部分形成空隙,不会因粘结剂熔融流出而使电路的端子部分等暴露部分受到污染。其具有很高的挺度,因此热压中不会产生褶皱现象。
本发明的内容是:一种离型膜,总厚度为110-140μm,由ABCBA五层结构组成,其中A层为离型层,厚度为15-20μm;B层为粘结层,厚度为5-10μm;C层为阻胶层,厚度为50-100μm。
进一步的,所述的离型膜,其特征在于所述的A层(离型层)材料为聚4-甲基戊烯(PMP),其熔融指数(MFR)为10-40g/10min。
进一步的,所述的PMP,优选为日本三井化学株式会社TPXTM的产品的中硬度产品或高硬度产品,如DX845(MFR=9g/10min)、RT18(MFR=26g/10min)、RT31(MFR=21g/10min)、MX004(MFR=25g/10min)之一。
进一步的,所述的离型膜,其特征在于所述的B层(粘结层)为PE和乙烯-辛烯共聚物-接枝-马来酸酐(POE-g-MAH)的混合物。其中PE优选为线性低密度聚乙烯(LLDPE)或低密度聚乙烯(LDPE)之一,MFR为1-3g/10min,占比为80-95%。其中POE-g-MAH的接枝率大于0.5%,占比为5-20%。
进一步的,所述的离型膜,其特征在于所述的C层(阻胶层)为PBT、PP和PE的混合物。其PBT占40-60%,PP占20-30%,PE占10-40%。PBT的特性粘度为1.0-1.2dL/g。PP优选为共聚PP,PE优选为LLDPE和LDPE,PP的MFR=1-3g/10min,PE的MFR=1-3g/10min。
进一步的,所述的离型膜,该膜是采用共挤出成形法得到的。具体步骤如下:
包括如下步骤:将A单螺杆挤出机中投入PMP,B单螺杆挤出机按照配比投入PE和POE-g-MAH的混合物,C双螺杆挤出机按照配比投入PBT、PP和PE的混合物。五层材料分别进行熔融塑化、过滤,并使用ABCBA五层的T型模头,冷却成膜、回火、收卷、分切和包装。
进一步的,所述的A单螺杆挤出机各区温度为260-300℃。过滤器滤网孔径为10-15μm。B单螺杆挤出机各区温度为260-300℃。过滤器滤网孔径为10-15μm。C双螺杆挤出机各区温度为250-280℃。过滤器滤网孔径为10-15μm。模头温度为280-310℃。流延速度为20-40m/min。回火辊的温度为50-90℃。与现有的离型膜相比,具有高离型性、高挺度和高阻胶性。
附图说明
图1为本专利的结构示意图。
A为外层,B为中间层,C为内层。
具体实施方式
本发明提供的离型膜的制备方法包括如下步骤:
将A单螺杆挤出机中投入PMP,B单螺杆挤出机按照配比投入PE和POE-g-MAH的混合物,C双螺杆挤出机按照配比投入PBT、PP和PE的混合物。五层树脂分别进行熔融塑化、过滤,使用ABCBA五层的T型模头,冷却成膜、回火、收卷、分切和包装。
进一步的,所述的A单螺杆挤出机各区温度为260-300℃。过滤器滤网孔径为10-15μm。B单螺杆挤出机各区温度为260-300℃。过滤器滤网孔径为10-15μm。C双螺杆挤出机各区温度为250-280℃。过滤器滤网孔径为10-15μm。模头温度为280-310℃。流延速度为20-40m/min。回火辊的温度为50-90℃。
离型膜的结构图见图1,A为离型层,B为粘结层,C为阻胶层。
本发明提供的离型膜的性能的测试方法如下:
MFR:使用熔体流速仪,TPX材料在260℃、5Kg压力下,600s内标准口模压出的质量;PP材料在230℃、2.16Kg压力下,600s内标准口模压出的质量。PE材料在190℃、375g压力下,600s内标准口模压出的质量。测试三次,取平均值。
离型力:将TESA7475胶带贴于测试的离型面,用压辊来回压三次使胶带和离型面充分接触,放置24h后,以180°剥离角度剥离,记录离型力的测试结果。离型力越小剥离越容易,离型膜的离型性越好。
溢胶量:将离型膜、保护膜、挠性电路板按压合放置顺序堆叠,在180℃、120Kgf/cm3的压力下,压合2min,在显微镜下观察测定压合剥离后离型膜中间层溢出量。溢胶量越小,代表阻胶性越好。
挺度:按照GB/T 22364-2008标准,采用苏州高品检测仪器有限公司生产的微电脑挺度试验机,型号为GP-50B,测试离型膜的挺度。数值越大代表挺度越好。
实施例1
离型层A配比为100%DX845。粘结层B配比90%LDPE(MFR=2g/10min),10%POE-g-MAH。阻胶层C配比50%PBT(1.1dL/g),25%PP(MFR=2g/10min),25%LDPE(MFR=2g/10min)。离型膜的总厚度为120μm,A层厚度为20μm,B层厚度为5μm,C层厚度为70μm。相关性能如表1所示。
实施例2
离型层A配比为100%RT18。粘结层B配比80%LDPE(MFR=1g/10min),20%POE-g-MAH。阻胶层C配比55%PBT(1.0dL/g),20%PP(MFR=2g/10min),25%LDPE(MFR=1g/10min)。离型膜的总厚度为120μm,A层厚度为15μm,B层厚度为5μm,C层厚度为80μm。相关性能如表1所示。
实施例3
离型层A配比为100%RT18。粘结层B配比85%LLDPE(MFR=3g/10min),15%POE-g-MAH。阻胶层C配比40%PBT(1.2dL/g),20%PP(MFR=1.5g/10min),40%LDPE(MFR=2g/10min)。离型膜的总厚度为130μm,A层厚度为20μm,B层厚度为5μm,C层厚度为80μm。相关性能如表1所示。
实施例4
离型层A配比为100%RT31。粘结层B配比80%LDPE(MFR=1g/10min),20%POE-g-MAH。阻胶层C配比60%PBT(1.2dL/g),20%PP(MFR=1g/10min),20%LDPE(MFR=1g/10min)。离型膜的总厚度为140μm,A层厚度为20μm,B层厚度为10μm,C层厚度为70μm。相关性能如表1所示。
实施例5
离型层A配比为100%MX004。粘结层B配比95%LDPE(MFR=2.5g/10min),5%POE-g-MAH。阻胶层C配比50%PBT(1.0dL/g),20%PP(MFR=3g/10min),30%LLDPE(MFR=1g/10min)。离型膜的总厚度为135μm,A层厚度为15μm,B层厚度为10μm,C层厚度为85μm。相关性能如表1所示。
实施例6
离型层A配比为100%RT31。粘结层B配比92%LLDPE(MFR=2g/10min),8%POE-g-MAH。阻胶层C配比46%PBT(1.2dL/g),23%PP(MFR=1g/10min),31%LLDPE(MFR=2g/10min)。离型膜的总厚度为110μm,A层厚度为15μm,B层厚度为10μm,C层厚度为60μm。相关性能如表2所示。
实施例7
离型层A配比为100%DX18。粘结层B配比85%LDPE(MFR=1g/10min),15%POE-g-MAH。阻胶层C配比55%PBT(1.2dL/g),23%PP(MFR=3g/10min),22%L LDPE(MFR=1g/10min)。离型膜的总厚度为125μm,A层厚度为15μm,B层厚度为10μm,C层厚度为75μm。相关性能如表2所示。
对比例1
日本三井株式会社PMP离型膜,牌号为CR2031MT6,厚度为130μm。
对比例2
日本住友株式会社PMP离型膜,牌号为E920C,厚度为130μm。
对比例3
苏州市新广益电子有限公司FPC用阻胶膜,牌号为CR-700#3T,厚度为140μm。
表1实施例1-6提供的离型膜性能测试结果
表2实施例6-7提供的离型膜和对比例1性能测试结果
以上所述,仅为本发明的较佳实施例而已,并非用于限定本发明的保护范围。凡是根据本发明内容所做的均等变化与修饰,均涵盖在本发明的专利范围内。
Claims (3)
1.一种FPC离型膜,其特征在于总厚度为110-140μm,由ABCBA五层结构组成,其中A层为离型层,厚度为15-20μm;B层为粘结层,厚度为5-10μm;C层为阻胶层,厚度为50-100μm;该离型膜①离型力10-13g/in;②挺度1.1-1.7mN.m;
所述A层为聚4-甲基戊烯(PMP),在温度为260℃时,5kg压力下的PMP熔融指数为10-40g/10min;所述PMP为日本三井化学株式会社TPXTM的产品中的硬度产品或高硬度产品,所述PMP为MFR=9g/10min的DX845或MFR=26g/10min的RT18或MFR=21g/10min的RT31或MFR=25g/10min的MX004;
所述B层为聚乙烯(PE)与乙烯-辛烯共聚物-接枝-马来酸酐(POE-g-MAH)的混合物;其PE为线性低密度聚乙烯(LLDPE)和低密度聚乙烯(LDPE),占比为80-95%;POE-g-MAH的接枝率大于0.5%,占比为5-20%,在温度为190℃时,375g压力下的PE的MFR为1-3g/10min;
所述C层为聚对苯二甲酸丁二醇酯(PBT)、聚丙烯(PP)和PE的混合物,其PBT占40-60%,PP占20-30%,PE占10-40%;其中PBT的特性粘度为1.0-1.2dL/g;PP为共聚PP,PE为LLDPE和LDPE;在温度为230℃时,2.16kg压力下的PP的MFR为1-3g/10min;在温度为190℃时,375g压力下的PE的MFR为1-3g/10min。
2.根据权利要求1所述的FPC离型膜,该膜是采用共挤出成形法得到的,包括如下步骤:将A单螺杆挤出机中投入PMP,B单螺杆挤出机按照配比投入PE和POE-g-MAH的混合物,C双螺杆挤出机按照配比投入PBT、PP和PE的混合物,五层材料分别进行熔融塑化、过滤,并使用ABCBA五层的T型模头,冷却成膜、回火、收卷、分切和包装。
3.根据权利要求2所述的FPC离型膜,所述的A单螺杆挤出机各区温度为260-300℃,过滤器滤网孔径为10-15μm;B单螺杆挤出机各区温度为260-300℃,过滤器滤网孔径为10-15μm;C双螺杆挤出机各区温度为250-280℃,过滤器滤网孔径为10-15μm;模头温度为280-310℃,流延速度为20-40m/min,回火辊的温度为50-90℃。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910421168.2A CN111993708B (zh) | 2019-05-27 | 2019-05-27 | 一种离型膜及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910421168.2A CN111993708B (zh) | 2019-05-27 | 2019-05-27 | 一种离型膜及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111993708A CN111993708A (zh) | 2020-11-27 |
CN111993708B true CN111993708B (zh) | 2023-12-05 |
Family
ID=73461790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910421168.2A Active CN111993708B (zh) | 2019-05-27 | 2019-05-27 | 一种离型膜及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111993708B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114497896B (zh) * | 2022-04-14 | 2022-06-28 | 宁波长阳科技股份有限公司 | 一种高强度三层共挤锂离子电池隔膜及其制备方法 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202192825U (zh) * | 2011-06-03 | 2012-04-18 | 夏超华 | 一种用于柔性印刷电路板热压工艺的阻胶膜 |
CN104608446A (zh) * | 2015-01-16 | 2015-05-13 | 宁波长阳科技有限公司 | 一种白色反射用聚酯薄膜及其制备方法 |
CN105802157A (zh) * | 2016-05-16 | 2016-07-27 | 久裕电子科技(江苏)有限公司 | 一种高温离型膜及其生产工艺 |
JP2016141446A (ja) * | 2015-02-03 | 2016-08-08 | 三菱樹脂株式会社 | 離型性フィルム |
CN105926362A (zh) * | 2016-04-26 | 2016-09-07 | 浙江凯伦特种材料有限公司 | 柔性电路板阻胶离型纸离型层热熔树脂组合物、阻胶离型纸及其制备方法 |
CN106908879A (zh) * | 2016-02-25 | 2017-06-30 | 宁波长阳科技股份有限公司 | 一种高挺度反射膜及其制备方法 |
CN207403303U (zh) * | 2017-09-01 | 2018-05-25 | 无锡环宇包装材料股份有限公司 | 一种离型膜 |
CN208263624U (zh) * | 2018-04-18 | 2018-12-21 | 深圳市瑞昌星科技有限公司 | 用于生产线路板热压合的功能性离型膜 |
CN109466138A (zh) * | 2017-12-27 | 2019-03-15 | 宁波长阳科技股份有限公司 | 一种离型膜及其制备方法 |
-
2019
- 2019-05-27 CN CN201910421168.2A patent/CN111993708B/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202192825U (zh) * | 2011-06-03 | 2012-04-18 | 夏超华 | 一种用于柔性印刷电路板热压工艺的阻胶膜 |
CN104608446A (zh) * | 2015-01-16 | 2015-05-13 | 宁波长阳科技有限公司 | 一种白色反射用聚酯薄膜及其制备方法 |
JP2016141446A (ja) * | 2015-02-03 | 2016-08-08 | 三菱樹脂株式会社 | 離型性フィルム |
CN106908879A (zh) * | 2016-02-25 | 2017-06-30 | 宁波长阳科技股份有限公司 | 一种高挺度反射膜及其制备方法 |
CN105926362A (zh) * | 2016-04-26 | 2016-09-07 | 浙江凯伦特种材料有限公司 | 柔性电路板阻胶离型纸离型层热熔树脂组合物、阻胶离型纸及其制备方法 |
CN105802157A (zh) * | 2016-05-16 | 2016-07-27 | 久裕电子科技(江苏)有限公司 | 一种高温离型膜及其生产工艺 |
CN207403303U (zh) * | 2017-09-01 | 2018-05-25 | 无锡环宇包装材料股份有限公司 | 一种离型膜 |
CN109466138A (zh) * | 2017-12-27 | 2019-03-15 | 宁波长阳科技股份有限公司 | 一种离型膜及其制备方法 |
CN208263624U (zh) * | 2018-04-18 | 2018-12-21 | 深圳市瑞昌星科技有限公司 | 用于生产线路板热压合的功能性离型膜 |
Also Published As
Publication number | Publication date |
---|---|
CN111993708A (zh) | 2020-11-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102294864A (zh) | 复合耐高温离型膜 | |
CN115558436B (zh) | 一种高性能聚酰亚胺屏蔽膜及其制备方法 | |
CN111993708B (zh) | 一种离型膜及其制备方法 | |
TWI580578B (zh) | 覆蓋帶與其製程方法 | |
CN101410248A (zh) | 具有热塑性聚酰亚胺层的挠性层压板及其制造方法 | |
CN110564142A (zh) | 一种锂电池外包装用的黑色哑光聚酰胺薄膜及其制备方法 | |
CN110505767A (zh) | 一种软性铜箔基材及其制备方法 | |
CN216391960U (zh) | 一种电磁干扰屏蔽膜 | |
WO2020032020A1 (ja) | 高周波回路基板 | |
TW202248008A (zh) | 一種啞光型電磁干擾屏蔽膜及其製備方法 | |
JP2008189711A (ja) | 積層用フィルム | |
CN100441073C (zh) | 多层电路板及其制造方法 | |
CN111993731B (zh) | 一种发泡型离型膜及其制备方法 | |
JP2022085734A (ja) | 液晶ポリマーフィルム及び積層体 | |
CN111993734A (zh) | 一种耐高温离型膜及其制备方法 | |
JP2007323918A (ja) | シールドフラットケーブルおよびその製造方法 | |
JP3847953B2 (ja) | 積層フィルム | |
JP2790330B2 (ja) | プリント配線板製造用の離型フィルムおよびその製造方法 | |
CN102993748A (zh) | 聚酰亚胺薄膜及利用该薄膜制备两层柔性覆铜板的方法 | |
CN202174778U (zh) | 复合式结构铜箔基板 | |
CN102729561A (zh) | 一种用于制造无胶系柔性线路板的聚酰亚胺薄膜及其制备方法 | |
CN110834443A (zh) | 一种低溢胶tpx离型膜 | |
JP2020044652A (ja) | 積層フィルム | |
JP2020177987A (ja) | 高周波回路基板及びその製造方法 | |
JP6529027B2 (ja) | 耐熱性フィルム及びそれを用いた電子部材 |
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 |