CN115536845B - 一种疏水聚酰亚胺树脂制备方法及在漆包线中的应用 - Google Patents

一种疏水聚酰亚胺树脂制备方法及在漆包线中的应用 Download PDF

Info

Publication number
CN115536845B
CN115536845B CN202211195417.9A CN202211195417A CN115536845B CN 115536845 B CN115536845 B CN 115536845B CN 202211195417 A CN202211195417 A CN 202211195417A CN 115536845 B CN115536845 B CN 115536845B
Authority
CN
China
Prior art keywords
monomer
polyimide resin
phenylenediamine
trifluoromethyl
bis
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
CN202211195417.9A
Other languages
English (en)
Other versions
CN115536845A (zh
Inventor
胡志刚
李剑
石凯祥
林永显
蔡丽欣
潘湛昌
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.)
Kecheng Copper Yingde Co ltd
Original Assignee
Kecheng Copper Yingde 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 Kecheng Copper Yingde Co ltd filed Critical Kecheng Copper Yingde Co ltd
Priority to CN202211195417.9A priority Critical patent/CN115536845B/zh
Publication of CN115536845A publication Critical patent/CN115536845A/zh
Application granted granted Critical
Publication of CN115536845B publication Critical patent/CN115536845B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1067Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1003Preparatory processes
    • C08G73/1007Preparatory processes from tetracarboxylic acids or derivatives and diamines
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1039Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors comprising halogen-containing substituents
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1042Copolyimides derived from at least two different tetracarboxylic compounds or two different diamino compounds
    • 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
    • C09D179/00Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
    • C09D179/04Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C09D179/08Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/303Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups H01B3/38 or H01B3/302
    • H01B3/306Polyimides or polyesterimides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)

Abstract

本发明公开了一种疏水聚酰亚胺树脂的制备方法,为:通过对苯二胺单体、2,5‑二(三氟甲基)对苯二胺单体,以及芳香二酐单体,进行缩聚反应,制备得到含有三氟甲基的聚酰亚胺;其中,所述对苯二胺单体和所述2,5‑二(三氟甲基)对苯二胺单体,其结构式分别如下:,其中,所述芳香二酐单体中的芳香环Ar为下列基团之一或两种以上。

Description

一种疏水聚酰亚胺树脂制备方法及在漆包线中的应用
技术领域
本发明涉及漆包线技术领域,具体涉及一种疏水聚酰亚胺树脂制备方法及在漆包线中的应用。
背景技术
聚酰亚胺树脂因其优异的机械性能、热稳定性、耐候性等被视为特种工程塑料中的重要材料之一,可应用于航天、汽车、半导体等多个技术领域,同时也应用漆包线领域作为漆包线漆膜。聚酰亚胺漆包线具有高的耐热性,良好的耐溶剂和耐冷冻剂性能。但是,聚酰亚胺存在吸水的现象,影响聚酰亚胺漆包线的耐油水性能。目前迫切需要同时拥有抗拉耐高温和耐油水性能的聚酰亚胺树脂,来拓展聚酰亚胺漆包线的应用范围。
发明内容
本发明目的在于针对现有技术的不足,提出一种基于芳香二酐单体的疏水聚酰亚胺树脂,并公开其制备方法及在漆包线中的应用,以解决聚酰亚胺漆包线耐油水性能不佳的问题。
为了实现上述目的,本发明提出以下技术方案:
本发明公开了一种疏水聚酰亚胺树脂的制备方法,为:通过对苯二胺单体、2,5-二(三氟甲基)对苯二胺单体,以及芳香二酐单体,进行缩聚反应,制备得到含有三氟甲基的聚酰亚胺;
其中,所述对苯二胺单体和所述2,5-二(三氟甲基)对苯二胺单体,其结构式分别如下:
,/>
其中,所述芳香二酐单体中的芳香环Ar为下列基团之一或两种以上:
,/> ,/>
进一步地,所述疏水聚酰亚胺树脂的制备方法,其制备反应式如下:
所述制备得到的聚酰亚胺具有如下式所示的结构式:
;
其中,m+n=1;Ar是所述芳香二酐单体的芳香环。
具体的,所述疏水聚酰亚胺树脂的制备方法,其制备步骤包括:
将所述对苯二胺单体和所述2,5-二(三氟甲基)对苯二胺单体加到N,N二甲基甲酰胺溶剂中,搅拌使其完全溶解,然后加入所述芳香二酐单体,搅拌24-48小时,得到粘稠的聚酰胺酸溶液;再将聚酰胺酸溶液铺成膜真空烘干制备得到聚酰亚胺树脂。
进一步地,所述疏水聚酰亚胺树脂的制备方法中,所述对苯二胺单体、所述2,5-二(三氟甲基)对苯二胺单体和所述芳香二酐单体的质量之比为x:1-x:1,其中0≤x≤1。
优选地,所述疏水聚酰亚胺树脂的制备方法中,所述对苯二胺单体、所述2,5-二(三氟甲基)对苯二胺单体和所述芳香二酐单体的质量之比为:0.2-0.3:0.8-0.7:1。
本发明提供的疏水聚酰亚胺树脂的制备方法,所制备的聚酰胺酸树脂应用于漆包线制造领域,制备薄膜进行漆包线包膜,可提高聚酰亚胺漆包线耐油水性能。
对比现有技术,本发明技术方案的优点在于:
通过引入韧性基团芳香二酐单体和疏水片段(三氟甲基),使制备得到的聚酰胺酸树脂达到分子链的韧性和耐油水性并济;
所述疏水聚酰亚胺的制备方法,具有操作简便、易于控制等优点;
本发明提供的疏水聚酰亚胺树脂,同时拥有良好的抗拉耐高温和耐油水性能,可广泛应用于耐油水的漆包线生产,适用于车用变速箱漆包线制造。
具体实施方式
下面通过实施例对本发明作进一步的说明,但并不作为对本发明限制的依据。
本发明公开一种疏水聚酰亚胺树脂的制备方法,为:通过对苯二胺单体、2,5-二(三氟甲基)对苯二胺单体,以及芳香二酐单体,进行缩聚反应,制备得到含有三氟甲基的聚酰亚胺;
其中,所述对苯二胺单体和所述2,5-二(三氟甲基)对苯二胺单体,其结构式分别如下:
,/>;
其中,所述芳香二酐单体中的芳香环Ar为下列基团之一或两种以上:
,/> ,/>
本发明技术方案的原理分析:
现有技术中有提出的聚酰亚胺是单一分子链段的聚合物,本发明提出的是由两个链段组成的嵌段共聚物,且两个嵌段分子链可以调节;现有技术中有设计的聚酰亚胺分子主链结构中含有线性刚性单元和极性酰胺基团,将两者混合无规共聚,利用线性单元的刚性和极性酰胺基团形成氢键从而提高耐热性和降低膨胀系数,两者比例不可控,本发明专利是引入韧性基团芳香二酐单体和疏水片段(三氟甲基),通过调控韧性基团和疏水片段的配比,实现分子链的韧性和耐油水性并济。
现有技术中有公开的聚酰亚胺结构,嵌段共聚的分子量m:n=0.25-9:1,链段内分子结构具有更大的空间位阻,刚性相对更低,本发明专利公开的单体,链段内分子结构空间位阻更小,限定了m+n=1,韧性更优。
实施例1:本实施例中,聚酰亚胺的反应式如下:
其中,m=0,n=1。
具体制备方法为:氮气保护下,将2,5-二(三氟甲基)对苯二胺(10mmol)加入到20ml N,N二甲基甲酰胺溶剂中,室温搅拌使其完全溶解,加入萘酐单体(10mmol),搅拌24-48小时,得到粘稠的聚酰胺酸溶液,将溶液稀释到20wt%,然后均匀铺到洁净的玻璃板上,按照下列程序进行升温:80 ℃,1小时,150 ℃,2小时,之后在真空中100 ℃干燥12小时,用手术刀刮下膜。测得的机械性能如下:拉伸强度为130 MPa,拉伸模量2.8 GPa,断裂伸长率为7%;接触角测试角度为172°。
实施例2:本实施例中,聚酰亚胺的反应式如下:
其中,m=0.3,n=0.7。
具体制备方法为:氮气保护下,将对苯二胺(6mmol)和2,5-二(三氟甲基)对苯二胺(7mmol)加入到20ml N,N二甲基甲酰胺溶剂中,室温搅拌使其完全溶解,加入萘酐单体(13mmol),搅拌24-48小时,得到粘稠的聚酰胺酸溶液,将溶液稀释到20wt%,然后均匀铺到洁净的玻璃板上,按照下列程序进行升温:80 ℃,1小时,150 ℃,2小时,之后在真空中100℃干燥12小时,用手术刀刮下膜。测得的机械性能如下:拉伸强度为179 MPa,拉伸模量3GPa,断裂伸长率为8.5%;接触角测试角度为138°。
实施例3:本实施例中,聚酰亚胺的反应式如下:
其中,m=0.7,n=0.3。
具体制备方法为:氮气保护下,将对苯二胺(14mmol)和2,5-二(三氟甲基)对苯二胺(6mmol)加入到20ml N,N二甲基甲酰胺溶剂中,室温搅拌使其完全溶解,加入萘酐单体(20mmol),搅拌24-48小时,得到粘稠的聚酰胺酸溶液,将溶液稀释到20wt%,然后均匀铺到洁净的玻璃板上,按照下列程序进行升温:80 ℃,1小时,150 ℃,2小时,之后在真空中100℃干燥12小时,用手术刀刮下膜。测得的机械性能如下:拉伸强度为216 MPa,拉伸模量5.4GPa,断裂伸长率为21%;接触角测试角度为167°。
实施例4:本实施例中,聚酰亚胺的反应式如下:
其中,m=1,n=0。
具体制备方法为:氮气保护下,将对苯二胺(10mmol)加入到20ml N,N二甲基甲酰胺溶剂中,室温搅拌使其完全溶解,加入萘酐单体(13mmol),搅拌24-48小时,得到粘稠的聚酰胺酸溶液,将溶液稀释到20wt%,然后均匀铺到洁净的玻璃板上,按照下列程序进行升温:80 ℃,1小时,150 ℃,2小时,之后在真空中100 ℃干燥12小时,用手术刀刮下膜。测得的机械性能如下:拉伸强度为198 MPa,拉伸模量4.5 GPa,断裂伸长率为13%;接触角测试角度为147°。
对比例1
本实施例中,聚酰亚胺的反应式如下:
其中,m=1,n=8。
具体制备方法为:氮气保护下,将4,4’-二氨基-2’2-双三氟甲基联苯(5mmol),3,3’-4,4’-联苯四甲酸二酐(4mmol),对苯二甲酰氯(0.5mmol)加入到30ml N,N二甲基乙酰胺溶剂中,室温搅拌16小时,得到固含量10%的聚酰胺酸溶液,过滤,真空脱泡,然后均匀铺到洁净的玻璃板上,按照下列程序进行升温:80 ℃,1小时,150 ℃,2小时,之后在真空中100℃干燥12小时,用手术刀刮下膜。测得的机械性能如下:拉伸强度为156 MPa,拉伸模量2.9GPa,断裂伸长率为7.9%;接触角测试角度为103°。
试验例
本试验例是为了测试所述漆包线的拉伸性能和耐油水性能。
测试样品:实施例1-4和对比例1所制备的漆包线。
测试方法:
(1)拉伸性能:裁取长10cm宽2cm制备的聚酰亚胺薄膜,使用万能试验机测试其拉伸强度,拉伸模量,断裂伸长率;
(2)耐油水性能:将制备的聚酰亚胺薄膜制备成5mm2的扁平铜芯漆包线包膜,取10cm制备的漆包线,在中点位置经直径6 mm圆棒180度窄边弯曲后,浸泡在车用变速箱油与0.5%的纯水混合物中密封保存,155℃存放40小时后立即到-45℃存放8小时为一个周期,记录开裂时的周期次数。
实施例1-4和对比例1制备的漆膜拉伸测试和耐油水测试结果见下表:
从测试结果可见,实施例2-4同时具备良好的抗拉性能和耐油水性能,其中实施例3效果最佳。
以上所述,仅为本发明的较佳实例,并非对本发明任何形式上和实质上的限制,凡属本发明思路下的技术方案均属于本发明的保护范围,凡依据本发明实质技术对上述实例所做的任何等效变更和修饰也应视为本发明的保护范围。

Claims (4)

1.一种疏水聚酰亚胺树脂的制备方法,为:通过对苯二胺单体、2,5-二(三氟甲基)对苯二胺单体,以及芳香二酐单体,进行缩聚反应,制备得到含有三氟甲基的聚酰亚胺;
所述对苯二胺单体、所述2,5-二(三氟甲基)对苯二胺单体和所述芳香二酐单体的质量之比为:0.2-0.3:0.8-0.7:1;
其中,所述对苯二胺单体和所述2,5-二(三氟甲基)对苯二胺单体,其结构式分别如下:
,/>
其中,所述芳香二酐单体结构式为:
2.根据权利要求1所述的疏水聚酰亚胺树脂的制备方法,其制备反应式如下:
所述制备得到的聚酰亚胺具有如下式所示的结构式:
其中,m+n=1。
3.根据权利要求2所述的疏水聚酰亚胺树脂的制备方法,其制备步骤包括:
将所述对苯二胺单体和所述2,5-二(三氟甲基)对苯二胺单体加到N,N二甲基甲酰胺溶剂中,搅拌使其完全溶解,然后加入所述芳香二酐单体,搅拌24-48小时,得到粘稠的聚酰胺酸溶液;再将聚酰胺酸溶液铺成膜真空烘干制备得到聚酰亚胺树脂。
4.如权利要求1-3所述的疏水聚酰亚胺树脂的制备方法制备的疏水聚酰亚胺树脂在漆包线中的应用:所制备的疏水聚酰亚胺树脂制备薄膜进行漆包线包膜,制成聚酰亚胺漆包线。
CN202211195417.9A 2022-09-29 2022-09-29 一种疏水聚酰亚胺树脂制备方法及在漆包线中的应用 Active CN115536845B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211195417.9A CN115536845B (zh) 2022-09-29 2022-09-29 一种疏水聚酰亚胺树脂制备方法及在漆包线中的应用

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211195417.9A CN115536845B (zh) 2022-09-29 2022-09-29 一种疏水聚酰亚胺树脂制备方法及在漆包线中的应用

Publications (2)

Publication Number Publication Date
CN115536845A CN115536845A (zh) 2022-12-30
CN115536845B true CN115536845B (zh) 2023-07-21

Family

ID=84731763

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211195417.9A Active CN115536845B (zh) 2022-09-29 2022-09-29 一种疏水聚酰亚胺树脂制备方法及在漆包线中的应用

Country Status (1)

Country Link
CN (1) CN115536845B (zh)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1070204C (zh) * 1995-01-18 2001-08-29 中国科学院长春应用化学研究所 聚酰亚胺及其前体溶液的制备方法
WO2012162046A2 (en) * 2011-05-20 2012-11-29 Exxonmobil Research And Engineering Company Functionalized filters for heavy oil upgrading
CN106220848A (zh) * 2016-07-22 2016-12-14 深圳市惠程电气股份有限公司 熔融温度与玻璃化温度差小于30度的耐高温聚酰亚胺及其制备方法
JP7359602B2 (ja) * 2019-09-06 2023-10-11 旭化成株式会社 ジアミン化合物及びその製造方法
CN111961202A (zh) * 2020-07-07 2020-11-20 中山职业技术学院 一种改性聚酰胺酸树脂浆料及其制备方法和一种无胶覆铜板
CN112646180B (zh) * 2020-11-30 2022-05-20 浙江中科玖源新材料有限公司 一种聚酰亚胺前体溶液及聚酰亚胺柔性显示基板
CN112625238B (zh) * 2020-11-30 2022-05-20 浙江中科玖源新材料有限公司 一种储存稳定的高分子量聚酰亚胺前体溶液及柔性基板

Also Published As

Publication number Publication date
CN115536845A (zh) 2022-12-30

Similar Documents

Publication Publication Date Title
US4116937A (en) Compliant maleimide based plastics
CN102884107B (zh) 具有改善的耐热性和在高温范围内的伸长率的全芳族聚酰亚胺树脂的制备方法
CN111171567B (zh) 一种聚酰亚胺复合薄膜及其制备方法和应用
JP5205739B2 (ja) ポリアミドイミド樹脂、ポリアミドイミド樹脂組成物、塗料、摺動部用塗料及び摺動部用塗膜
CN116285655B (zh) 一种聚醚酰亚胺/聚醚醚酮复合涂料、制备方法及用于制备复合涂层
CN113527683B (zh) 聚酰亚胺及采用该聚酰亚胺的聚酰亚胺膜
CN114685787B (zh) 一种具有协同交联结构的聚酰亚胺薄膜及其制备方法和应用
CN115536845B (zh) 一种疏水聚酰亚胺树脂制备方法及在漆包线中的应用
CN116003789A (zh) 聚酰胺酸溶液、聚酰亚胺、聚酰亚胺膜及其制备方法和应用
CN116218357B (zh) 一种氰酸脂原位改性聚酰亚胺耐高温涂层及其制备方法
CN101484532B (zh) 耐热性树脂清漆、耐热性树脂膜、耐热性树脂复合物及绝缘电线
CN117164854A (zh) 一种交联型聚酰亚胺及其制备方法
CN105295374A (zh) 聚酰亚胺前体组合物、制备聚酰亚胺前体的方法、聚酰亚胺成形体及其制备方法
CN111423583A (zh) 一种引入呋喃结构的聚酰亚胺树脂及其制备方法
CN114015090B (zh) 一种低热膨胀系数聚酰亚胺薄膜的制备方法
KR20150001953A (ko) 고기능성 폴리이미드 필름 및 이의 제조방법
JP5109380B2 (ja) ポリアミドイミド樹脂、ポリアミドイミド樹脂組成物、塗料、缶又はチューブ内面コーティング用塗料及びこの塗料を用いた缶又はチューブ
Hsiao et al. Synthesis and properties of novel poly (amide-imide) s derived from 2, 4-diaminotriphenylamine and imide ring-preformed dicarboxylic acids
KR102157705B1 (ko) 폴리아마이드-이미드 필름 및 이의 제조방법
CN114181392A (zh) 高固含量低粘度聚酰胺酸溶液及其制备方法与应用
KR100483712B1 (ko) 에나멜 동선 피복용 폴리아미드이미드 중합체 및 이를이용한 에나멜 동선의 제조 방법
CN113501958B (zh) 一种无色透明耐热聚酰亚胺薄膜及其制备方法
Hsiao et al. Synthesis and properties of novel aromatic poly (esterimide) s bearing naphthalene-2, 7-diyl units
CN113614173B (zh) 聚酰胺酰亚胺树脂组合物及聚酰胺酰亚胺树脂的制造方法
CN115926219B (zh) 一种高模量聚酰亚胺薄膜及其制备方法

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