CN114960297B - 一种具有钉扎效应的芳纶复合纸及其制备方法 - Google Patents
一种具有钉扎效应的芳纶复合纸及其制备方法 Download PDFInfo
- Publication number
- CN114960297B CN114960297B CN202210515952.1A CN202210515952A CN114960297B CN 114960297 B CN114960297 B CN 114960297B CN 202210515952 A CN202210515952 A CN 202210515952A CN 114960297 B CN114960297 B CN 114960297B
- Authority
- CN
- China
- Prior art keywords
- aramid
- paper
- fiber
- polyphenylene sulfide
- fibers
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 61
- 229920006231 aramid fiber Polymers 0.000 title claims abstract description 52
- 230000000694 effects Effects 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 32
- 229920003235 aromatic polyamide Polymers 0.000 claims abstract description 163
- 239000004760 aramid Substances 0.000 claims abstract description 136
- 239000000835 fiber Substances 0.000 claims abstract description 132
- 239000004734 Polyphenylene sulfide Substances 0.000 claims abstract description 68
- 229920000069 polyphenylene sulfide Polymers 0.000 claims abstract description 68
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 32
- 238000007731 hot pressing Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 20
- 238000001035 drying Methods 0.000 claims description 20
- 239000011268 mixed slurry Substances 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 14
- 239000002270 dispersing agent Substances 0.000 claims description 13
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 10
- 229920002401 polyacrylamide Polymers 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000010494 dissociation reaction Methods 0.000 claims description 7
- 230000005593 dissociations Effects 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 125000000623 heterocyclic group Chemical group 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 1
- 239000002344 surface layer Substances 0.000 abstract description 11
- 239000011148 porous material Substances 0.000 abstract description 9
- 239000010410 layer Substances 0.000 abstract description 7
- 239000003960 organic solvent Substances 0.000 abstract description 7
- 238000010292 electrical insulation Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 239000011229 interlayer Substances 0.000 abstract description 3
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract 1
- 229920001410 Microfiber Polymers 0.000 description 10
- 238000005096 rolling process Methods 0.000 description 8
- 239000002121 nanofiber Substances 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 6
- 238000001000 micrograph Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003658 microfiber Substances 0.000 description 3
- 229920006351 engineering plastic Polymers 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- OHVLMTFVQDZYHP-UHFFFAOYSA-N 1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-2-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound N1N=NC=2CN(CCC=21)C(CN1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)=O OHVLMTFVQDZYHP-UHFFFAOYSA-N 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- XWUCFAJNVTZRLE-UHFFFAOYSA-N 7-thiabicyclo[2.2.1]hepta-1,3,5-triene Chemical compound C1=C(S2)C=CC2=C1 XWUCFAJNVTZRLE-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002262 Schiff base Substances 0.000 description 1
- 150000004753 Schiff bases Chemical class 0.000 description 1
- 125000003172 aldehyde group Chemical group 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005311 autocorrelation function Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
- D21H27/38—Multi-ply at least one of the sheets having a fibrous composition differing from that of other 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
-
- 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
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- 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
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- 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
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/02—Layered products comprising a layer of paper or cardboard next to a fibrous or filamentary layer
-
- 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
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/06—Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/26—Polyamides; Polyimides
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/005—Mechanical treatment
-
- 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
- B32B2250/03—3 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
- B32B2250/20—All layers being fibrous or filamentary
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
- B32B2262/0269—Aromatic polyamide fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/14—Mixture of at least two fibres made of different materials
-
- 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
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/10—Fibres of continuous length
- B32B2305/18—Fabrics, textiles
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/54—Yield strength; Tensile strength
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/718—Weight, e.g. weight per square meter
-
- 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
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/02—Temperature
-
- 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
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/12—Pressure
-
- 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
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/14—Velocity, e.g. feed speeds
-
- 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
- B32B2377/00—Polyamides
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Paper (AREA)
Abstract
本发明提供了一种具有钉扎效应的芳纶复合纸及其制备方法。该芳纶复合纸的制备方法为:采用聚苯硫醚熔喷超细纤维与芳纶短切纤维,通过湿法抄造制备出芳纶纸,然后将聚苯硫醚熔喷超细纤维无纺布分别置于芳纶原纸的两侧作为面层,采用热压工艺,将面层聚苯硫醚超细纤维嵌入到中间层芳纶纸的孔隙中,与芳纶原纸中均匀分散的聚苯硫醚超短纤熔接形成钉扎效应,同时,位于芳纶短切纤维间的聚苯硫醚超细纤维熔化再凝固形成连续网络,并牢固粘结芳纶短切纤维。本发明方法简单,无需使用任何有机溶剂,安全环保,制备的芳纶复合纸结构致密,层间结合紧密,表面平整光滑,可显著提高芳纶纸的力学性能和电气绝缘性能。
Description
技术领域
本发明涉及制浆造纸技术领域,尤其涉及一种具有钉扎效应的芳纶复合纸及其制备方法。
背景技术
聚苯硫醚(PPS)玻璃化转变温度为85℃,热变形温度大于260℃,具有较高的热稳定性,可以在220℃时连续使用。耐化学腐蚀性优异,不溶于170℃以下的大多数溶剂。其极限氧指数为35%~45%,具有很好的阻燃性、自熄性。除此之外,PPS具有良好的机械性能,制品的尺寸稳定性好,耐辐射等优点。被广泛应用于制造电器零件、汽车零件、精密仪器零件、各种模型制品和层压材料等,通过填充、改性后已经广泛用作特种工程塑料。
芳纶纤维由于具有优异的力学性能、耐高温和绝缘性而广泛应用于航空航天、轨道交通和国防军工等领域。芳纶纸是由芳纶短切纤维(Aramidchoppedfibers,缩写为ACFs)和芳纶沉析纤维(芳纶浆粕)通过湿法抄造和热压制备而成。由于继承了芳纶纤维所有的优点且可加工性强而受到广泛的关注。然而。由于芳纶纤维表面光滑且化学惰性,同时芳纶层析纤维或浆粕熔点高于分解温度,导致芳纶纤维间的粘合性较差,内部孔隙较多,制造出的芳纶纸的综合性能存在不足。
现有技术公开了芳纶纳米纤维涂布芳纶纸及其制备方法,该方法首先用间位芳纶沉析纤维和间位芳纶短切纤维制得间位芳纶纸,然后通过将芳纶纳米纤维放在二甲基亚砜和氢氧化钾的混合体系中搅拌得到芳纶纳米纤维涂布液,最后将芳纶纳米纤维涂布液分别涂在间位芳纶纸的两面,经热压后得到芳纶纳米纤维涂布芳纶纸。该方法在一定程度上提高了芳纶纸的绝缘性能,然而芳纶纳米纤维复杂的制备过程以及如何保证纳米纤维在纸张中的存留率仍是一项挑战。现有技术还公开了一种高性能芳纶复合纸基材料及其制备方法与应用,该方法首先对芳纶纤维表面进行改性得到氨基化芳纶纤维,然后对将纤维素纳米纤丝改性得到醛基化纤维素纳米纤丝,利用氨基与醛基发生席夫碱反应而充分交联得到高性能芳纶纸基材料;该方法虽然在一定程度上提高了芳纶纸基材料的机械性能和绝缘性能,但是对芳纶纤维和纤维素纳米纤维的改性过程较为复杂,涉及大量有机溶剂和强酸强碱的使用,实际工业化中难以大规模生产高性能芳纶纸。
通过上述分析,现有技术存在的问题及缺陷为:对芳纶纤维进行改性在一定程度上能够提高芳纶纸的性能,然而复杂的改性操作以及大量有机溶剂和强酸强碱的使用,使得大规模制备高性能芳纶纸存在困难,此外,现有芳纶纸的孔隙率依然较大,进一步提高其击穿电压较为困难。在芳纶纸中添加芳纶纳米纤维能够有效改善芳纶纸的性能,但是芳纶纳米纤维的制备以及如何保证纳米纤维在芳纶纸中的存留率在工业生产中仍然十分困难。
基于目前的芳纶纸存在的缺陷,有必要对此进行改进。
发明内容
有鉴于此,本发明提出了一种具有钉扎效应的芳纶复合纸及其制备方法,以解决上述问题或者至少部分地解决上述问题。
第一方面,本发明提供了一种具有钉扎效应的芳纶复合纸,包括:
芳纶纸;
聚苯硫醚熔喷超细纤维无纺布,其分别位于所述芳纶纸两侧,所述聚苯硫醚熔喷超细纤维无纺布侧面嵌入芳纶纸的孔隙内。
优选的是,所述的具有钉扎效应的芳纶复合纸,所述芳纶纸是由聚苯硫醚超细纤维超短纤与芳纶短切纤维经湿法抄造制备而成。
第二方面,本发明还提供了一种具有钉扎效应的芳纶复合纸的制备方法,包括以下步骤:
提供芳纶纸以及聚苯硫醚熔喷超细纤维无纺布;
将聚苯硫醚熔喷超细纤维无纺布分别贴合在芳纶纸两侧,然后置于辊压机中于100~240℃、压力为0.1~0.5MPa、线速度为1~20m/min下进行热压,即得具有钉扎效应的芳纶复合纸。
优选的是,所述的具有钉扎效应的芳纶复合纸的制备方法,所述芳纶纸的制备方法为:
将芳纶短切纤维和聚苯硫醚超细纤维超短纤混合后得到混合纤维;
再将混合纤维置于纤维解离器中进行解离;
向解离后的混合纤维中加入分散剂,搅拌后,得到混合浆液;
将混合浆液置于纸页成型器中抄造成形,干燥后即得芳纶纸。
优选的是,所述的具有钉扎效应的芳纶复合纸的制备方法,所述分散剂的配制方法为:将聚氧化乙烯和聚丙烯酰胺加入至水中搅拌即得。
优选的是,所述的具有钉扎效应的芳纶复合纸的制备方法,解离时控制解离器的转速为3000~7000r/min、解离时间为10~30min。
优选的是,所述的具有钉扎效应的芳纶复合纸的制备方法,聚氧化乙烯、聚丙烯酰胺、水、芳纶短切纤维和聚苯硫醚超细纤维的质量比为(1~4):(0.2~0.6):(1800~2200):(6~10):(2~5)。
优选的是,所述的具有钉扎效应的芳纶复合纸的制备方法,所述芳纶短切纤维包括对位芳纶短切纤维、间位芳纶短切纤维和杂环芳纶短切纤维中的至少一种。
优选的是,所述的具有钉扎效应的芳纶复合纸的制备方法,将混合浆液置于纸页成型器中抄造成形,干燥后还包括:将干燥后的芳纶纸置于辊压机中于220~260℃、压力为0.1~0.5MPa、线速度为1~5m/min下进行热压,即得芳纶纸。
优选的是,所述的具有钉扎效应的芳纶复合纸的制备方法,将混合浆液置于纸页成型器中抄造成形,干燥后即得芳纶纸,其中干燥温度为80~120℃、时间为0.5~2h;
所述聚苯硫醚熔喷超细纤维无纺布的克重为20~50g/m2。
本发明的一种具有钉扎效应的芳纶复合纸及其制备方法相对于现有技术具有以下有益效果:
本发明的具有钉扎效应的芳纶复合纸的制备方法,采用聚苯硫醚熔喷超细纤维与芳纶短切纤维,通过湿法抄造制备出芳纶纸,然后将聚苯硫醚熔喷超细纤维无纺布分别置于芳纶原纸的两侧作为面层,采用热压工艺,将面层聚苯硫醚超细纤维嵌入到中间层芳纶纸的孔隙中,与芳纶原纸中均匀分散的聚苯硫醚超短纤熔接形成钉扎效应,同时,位于芳纶短切纤维间的聚苯硫醚超细纤维熔化再凝固形成连续网络,并牢固粘结芳纶短切纤维,得到面层和中间层完全紧密融合的具有三明治结构的芳纶复合纸。本发明方法简单,无需使用任何有机溶剂,安全环保,制备的芳纶复合纸结构致密,层间结合紧密,表面平整光滑,可显著提高芳纶纸的力学性能和电气绝缘性能。本发明的芳纶复合纸的制备方法,无需对芳纶纤维进行任何的改性处理,无需使用有机溶剂或强酸强碱,也不用添加纳米填料,通过将芳纶纸设计制备成三明治结构,能够大幅提高芳纶纸的力学性能和电气绝缘性能。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单的介绍。显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为本发明的具有钉扎效应的芳纶复合纸的结构示意图;
图2为本发明的具有钉扎效应的芳纶复合纸的制备方法流程示意图;
图3为本发明的芳纶纸的制备方法流程示意图;
图4为本发明实施例1中制备得到的芳纶复合纸和芳纶纸的截面、表面电镜图;
图5为本发明实施例1~4中制备得到的芳纶复合纸的抗张强度图。
具体实施方式
下面将结合本发明实施方式,对本发明实施方式中的技术方案进行清楚、完整的描述,显然,所描述的实施方式仅仅是本发明一部分实施方式,而不是全部的实施方式。基于本发明中的实施方式,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施方式,都属于本发明保护的范围。
本申请实施例提供了一种具有钉扎效应的芳纶复合纸,如图1所示,包括:
芳纶纸1;
聚苯硫醚熔喷超细纤维无纺布2,其分别位于芳纶纸1两侧,聚苯硫醚熔喷超细纤维无纺布2侧面嵌入芳纶纸1的孔隙内。
本申请的具有钉扎效应的芳纶复合纸,包括芳纶纸1以及位于芳纶纸1两侧的聚苯硫醚熔喷超细纤维无纺布2;即芳纶复合纸呈三明治结构,芳纶纸1位于中间,聚苯硫醚熔喷超细纤维无纺布2位于芳纶纸1上下两侧。具体的,通过热压方式将聚苯硫醚熔喷超细纤维无纺布2与芳纶纸1压合,这样使得聚苯硫醚熔喷超细纤维无纺布2一侧嵌入芳纶纸1的孔隙内,进而使得聚苯硫醚熔喷超细纤维无纺布2的聚苯硫醚嵌入到芳纶纸1的孔隙中形成钉扎效应,极大地减小了纸张孔洞缺陷,显著提高了芳纶纸的致密性;且聚苯硫醚熔喷超细纤维无纺布2与芳纶纸1紧密融结,芳纶复合纸表面平整光滑,电击穿电压高,电气绝缘性能优异。
在一些实施例中,芳纶纸1是由聚苯硫醚超细纤维超短纤与芳纶短切纤维经湿法抄造制备而成。
基于同一发明构思,本申请实施例还提供了一种具有钉扎效应的芳纶复合纸的制备方法,如图2所示,包括以下步骤:
S1、提供芳纶纸以及聚苯硫醚熔喷超细纤维无纺布;
S2、将聚苯硫醚熔喷超细纤维无纺布分别贴合在芳纶纸两侧,然后置于辊压机中于100~240℃、压力为0.1~0.5MPa、线速度为1~20m/min下进行热压,即得具有钉扎效应的芳纶复合纸。
在一些实施例中,如图3所示,芳纶纸的制备方法为:
S11、将芳纶短切纤维和聚苯硫醚超细纤维超短纤混合后得到混合纤维;
S12、再将混合纤维置于纤维解离器中进行解离;
S13、向解离后的混合纤维中加入分散剂,搅拌后,得到混合浆液;
S14、将混合浆液置于纸页成型器中抄造成形,干燥后即得芳纶纸。
在一些实施例中,聚苯硫醚超细纤维将聚苯硫醚树脂熔喷得到超细纤维集合体,然后通过湿法机械研磨制得。
在一些实施例中,分散剂的配制方法为:将聚氧化乙烯和聚丙烯酰胺加入至水中搅拌即得。
在一些实施例中,解离时控制解离器的转速为3000~7000r/min、解离时间为10~30min。
在一些实施例中,聚氧化乙烯、聚丙烯酰胺、水、芳纶短切纤维和聚苯硫醚超细纤维的质量比为(1~4):(0.2~0.6):(1800~2200):(6~10):(2~5)。
在一些实施例中,芳纶短切纤维包括对位芳纶短切纤维、间位芳纶短切纤维和杂环芳纶短切纤维中的至少一种。
在一些实施例中,将混合浆液置于纸页成型器中抄造成形,干燥后还包括:将干燥后的芳纶纸置于辊压机中于220~260℃、压力为0.1~0.5MPa、线速度为1~5m/min下进行热压,即得芳纶纸;然后再将聚苯硫醚熔喷超细纤维无纺布分别贴合在芳纶纸两侧,经过热压即得具有钉扎效应的芳纶复合纸。
在一些实施例中,将混合浆液置于纸页成型器中抄造成形,干燥后即得芳纶纸,其中干燥温度为80~120℃、时间为0.5~2h;
聚苯硫醚熔喷超细纤维无纺布的克重为20~50g/m2。
本申请的芳纶复合纸的制备方法,采用聚苯硫醚熔喷超细纤维与芳纶短切纤维,通过湿法抄造制备出芳纶纸,然后将聚苯硫醚熔喷超细纤维无纺布分别置于芳纶原纸的两侧作为面层,采用热压工艺,将面层聚苯硫醚超细纤维嵌入到中间层芳纶纸的孔隙中,与芳纶原纸中均匀分散的聚苯硫醚超短纤熔接形成钉扎效应,同时,位于芳纶短切纤维间的聚苯硫醚超细纤维熔化再凝固形成连续网络,并牢固粘结芳纶短切纤维,得到面层和中间层完全紧密融合的具有三明治结构的芳纶复合纸。本发明方法简单,无需使用任何有机溶剂,安全环保,制备的芳纶复合纸结构致密,层间结合紧密,表面平整光滑,可显著提高芳纶纸的力学性能和电气绝缘性能。本发明的芳纶复合纸的制备方法,无需对芳纶纤维进行任何的改性处理,无需使用有机溶剂或强酸强碱,也不用添加纳米填料,通过将芳纶纸设计制备成三明治结构,能够大幅提高芳纶纸的力学性能和电气绝缘性能。
以下进一步以具体实施例说明本申请的具有钉扎效应的芳纶复合纸的制备方法。本部分结合具体实施例进一步说明本发明内容,但不应理解为对本发明的限制。如未特别说明,实施例中所采用的技术手段为本领域技术人员所熟知的常规手段。除非特别说明,本发明采用的试剂、方法和设备为本领域常规试剂、方法和设备。
以下实施例中所用的对位芳纶短切纤维购自中蓝晨光化工研究设计院有限公司;聚苯硫醚超细纤维无纺布既可以在市场上购买也可以通过熔融纺丝法制备得到;聚苯硫醚超细纤维超短纤既可以在市场上购买也可以通过机械打浆法制得,也可以采用已申请的专利一种聚苯硫醚超细纤维超短纤的制备方法来制备聚苯硫醚超细纤维超短纤。
实施例1
本申请实施例提供了一种具有钉扎效应的芳纶复合纸,包括以下步骤:
S1、将8.07g对位芳纶短切纤维和3.5g聚苯硫醚超细纤维混合得到混合纤维;
S2、将混合纤维置于纤维解离器中于转速为5040r/min下解离10min;
S3、将2.4g聚氧化乙烯和0.4g聚丙烯酰胺加入至2kg水中,于350rpm转速下搅拌5h,得到分散剂;
S4、向步骤S2中解离后的混合纤维中加入分散剂,搅拌均匀,得到混合浆液;
S5、将混合浆液置于纸页成型器中抄造成形,得到湿的对位芳纶纸,然后将其放入鼓风干燥箱中于110℃下干燥1h;
S6、将步骤S5中干燥后的对位芳纶纸置于辊压机中于温度为240℃、压力为0.1MPa、辊压线速度为1m/min的条件下进行热压;
S7、将20g/m2聚苯硫醚熔喷超细纤维无纺布贴合于步骤S6中热压后的对位芳纶纸的两侧并置于辊压机中,于温度为100℃、压力为0.5MPa、辊压线速度为20m/min的条件下进行热压,即得具有钉扎效应的芳纶复合纸。
经过测试实施例1中制备得到的芳纶复合纸的抗张强度达到122N/cm,击穿电压为38kV/mm。
实施例2
本申请实施例提供了一种具有钉扎效应的芳纶复合纸,包括以下步骤:
S1、将8.07g对位芳纶短切纤维和3.5g聚苯硫醚超细纤维混合得到混合纤维;
S2、将混合纤维置于纤维解离器中于转速为5040r/min下解离10min;
S3、将2.4g聚氧化乙烯和0.4g聚丙烯酰胺加入至2kg水中,于350rpm转速下搅拌5h,得到分散剂;
S4、向步骤S2中解离后的混合纤维中加入分散剂,搅拌均匀,得到混合浆液;
S5、将混合浆液置于纸页成型器中抄造成形,得到湿的对位芳纶纸,然后将其放入鼓风干燥箱中于110℃下干燥1h;
S6、将步骤S5中干燥后的对位芳纶纸置于辊压机中于温度为240℃、压力为0.1MPa、辊压线速度为1m/min的条件下进行热压;
S7、将30g/m2聚苯硫醚熔喷超细纤维无纺布贴合于步骤S6中热压后的对位芳纶纸的两侧并置于辊压机中,于温度为200℃、压力为0.3MPa、辊压线速度为16m/min的条件下进行热压,即得具有钉扎效应的芳纶复合纸。
经过测试实施例2中制备得到的芳纶复合纸的抗张强度达到161N/cm,击穿电压为45kV/mm。
实施例3
本申请实施例提供了一种具有钉扎效应的芳纶复合纸,包括以下步骤:
S1、将8.07g对位芳纶短切纤维和3.5g聚苯硫醚超细纤维混合得到混合纤维;
S2、将混合纤维置于纤维解离器中于转速为5040r/min下解离10min;
S3、将2.4g聚氧化乙烯和0.4g聚丙烯酰胺加入至2kg水中,于350rpm转速下搅拌5h,得到分散剂;
S4、向步骤S2中解离后的混合纤维中加入分散剂,搅拌均匀,得到混合浆液;
S5、将混合浆液置于纸页成型器中抄造成形,得到湿的对位芳纶纸,然后将其放入鼓风干燥箱中于110℃下干燥1h;
S6、将步骤S5中干燥后的对位芳纶纸置于辊压机中于温度为240℃、压力为0.1MPa、辊压线速度为1m/min的条件下进行热压;
S7、将40g/m2聚苯硫醚熔喷超细纤维无纺布贴合于步骤S6中热压后的对位芳纶纸的两侧并置于辊压机中,于温度为220℃、压力为0.35MPa、辊压线速度为10m/min的条件下进行热压,即得具有钉扎效应的芳纶复合纸。
经过测试实施例3中制备得到的芳纶复合纸的抗张强度达到158N/cm,击穿电压为43kV/mm。
实施例4
本申请实施例提供了一种具有钉扎效应的芳纶复合纸,包括以下步骤:
S1、将8.07g对位芳纶短切纤维和3.5g聚苯硫醚超细纤维混合得到混合纤维;
S2、将混合纤维置于纤维解离器中于转速为5040r/min下解离10min;
S3、将2.4g聚氧化乙烯和0.4g聚丙烯酰胺加入至2kg水中,于350rpm转速下搅拌5h,得到分散剂;
S4、向步骤S2中解离后的混合纤维中加入分散剂,搅拌均匀,得到混合浆液;
S5、将混合浆液置于纸页成型器中抄造成形,得到湿的对位芳纶纸,然后将其放入鼓风干燥箱中于110℃下干燥1h;
S6、将步骤S5中干燥后的对位芳纶纸置于辊压机中于温度为240℃、压力为0.1MPa、辊压线速度为1m/min的条件下进行热压;
S7、将50g/m2聚苯硫醚熔喷超细纤维无纺布贴合于步骤S6中热压后的对位芳纶纸的两侧并置于辊压机中,于温度为240℃、压力为0.1MPa、辊压线速度为1m/min的条件下进行热压,即得具有钉扎效应的芳纶复合纸。
经过测试实施例4中制备得到的芳纶复合纸的抗张强度达到162N/cm,击穿电压为48kV/mm。
性能测试
图4中a~b分别显示了实施例1中未形成三明治结构的芳纶纸(即经过步骤S6中经过热压后形成的芳纶纸)的截面和表面的扫描电镜图;图4中a截面电镜图体现了芳纶纸纤维间结合不够紧密,而图4中b表面电镜图则体现了芳纶纸有较多空隙。
图4中c~d分别为实施例1中制备得到的具有三明治结构的芳纶复合纸的截面和表面的扫描电镜图;图4中c截面电镜图体现了三明治结构芳纶复合纸中上、下表面为聚苯硫醚熔喷超细纤维无纺布,中间层为芳纶纸且中间层结构致密,没有明显孔隙;图4d中表面电镜图则表明芳纶复合纸表面具有平整致密的结构。
实施例1~4中制备得到的具有钉扎效应的芳纶复合纸的抗张强度比较结果如图5所示。图5中横坐标表示聚苯硫醚熔喷超细纤维无纺布的克重。
从图5中可以看出,实施例4中采用50g/m2聚苯硫醚熔喷超细纤维无纺布制备得到的芳纶复合纸具有最高的抗张强度162N/cm。
以上所述仅为本发明的较佳实施方式而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (4)
1.一种具有钉扎效应的芳纶复合纸的制备方法,其特征在于,包括以下步骤:
提供芳纶纸以及聚苯硫醚熔喷超细纤维无纺布;
将聚苯硫醚熔喷超细纤维无纺布分别贴合在芳纶纸两侧,然后置于辊压机中于100~240℃、压力为0.1~0.5MPa、线速度为1~20m/min下进行热压,即得具有钉扎效应的芳纶复合纸;
所述芳纶纸的制备方法为:
将芳纶短切纤维和聚苯硫醚超细纤维超短纤混合后得到混合纤维;
再将混合纤维置于纤维解离器中进行解离;
向解离后的混合纤维中加入分散剂,搅拌后,得到混合浆液;
将混合浆液置于纸页成型器中抄造成形,干燥后即得芳纶纸;
所述分散剂的配制方法为:将聚氧化乙烯和聚丙烯酰胺加入至水中搅拌即得;
聚氧化乙烯、聚丙烯酰胺、水、芳纶短切纤维和聚苯硫醚超细纤维超短纤的质量比为(1~4):(0.2~0.6):(1800~2200):(6~10):(2~5);
将混合浆液置于纸页成型器中抄造成形,干燥后还包括:将干燥后的芳纶纸置于辊压机中于220~260℃、压力为0.1~0.5MPa、线速度为1~5m/min下进行热压,即得芳纶纸;
所述聚苯硫醚熔喷超细纤维无纺布的克重为20~50g/m2。
2.如权利要求1所述的具有钉扎效应的芳纶复合纸的制备方法,其特征在于,解离时控制解离器的转速为3000~7000r/min、解离时间为10~30min。
3.如权利要求1所述的具有钉扎效应的芳纶复合纸的制备方法,其特征在于,所述芳纶短切纤维包括对位芳纶短切纤维、间位芳纶短切纤维和杂环芳纶短切纤维中的至少一种。
4.如权利要求1所述的具有钉扎效应的芳纶复合纸的制备方法,其特征在于,将混合浆液置于纸页成型器中抄造成形,干燥后即得芳纶纸,其中干燥温度为80~120℃、时间为0.5~2h。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210515952.1A CN114960297B (zh) | 2022-05-12 | 2022-05-12 | 一种具有钉扎效应的芳纶复合纸及其制备方法 |
US18/305,355 US11833797B1 (en) | 2022-05-12 | 2023-04-23 | Aramid compound paper with pinning effect and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210515952.1A CN114960297B (zh) | 2022-05-12 | 2022-05-12 | 一种具有钉扎效应的芳纶复合纸及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114960297A CN114960297A (zh) | 2022-08-30 |
CN114960297B true CN114960297B (zh) | 2023-04-25 |
Family
ID=82981274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210515952.1A Active CN114960297B (zh) | 2022-05-12 | 2022-05-12 | 一种具有钉扎效应的芳纶复合纸及其制备方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US11833797B1 (zh) |
CN (1) | CN114960297B (zh) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1974925A (zh) * | 2006-11-10 | 2007-06-06 | 陶世毅 | 含有聚苯硫醚及芳纶纤维的合成纤维纸及其制备方法 |
JP6723758B2 (ja) * | 2016-02-22 | 2020-07-15 | 三菱製紙株式会社 | ポリフェニレンサルファイド繊維を含有する不織布の製造方法 |
CN105789536B (zh) * | 2016-03-24 | 2019-06-28 | 武汉纺织大学 | 一种熔喷聚苯硫醚无纺布/芳纶纳米纤维复合隔膜的制备 |
JP7035336B2 (ja) * | 2016-12-15 | 2022-03-15 | コニカミノルタ株式会社 | 摺動部材、定着装置用摺動部材、定着装置および画像形成装置 |
CN110528314B (zh) * | 2019-06-19 | 2022-07-01 | 武汉纺织大学 | 一种含熔喷聚苯硫醚超细纤维的复合片材及其制备方法和应用 |
-
2022
- 2022-05-12 CN CN202210515952.1A patent/CN114960297B/zh active Active
-
2023
- 2023-04-23 US US18/305,355 patent/US11833797B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20230364900A1 (en) | 2023-11-16 |
CN114960297A (zh) | 2022-08-30 |
US11833797B1 (en) | 2023-12-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100567633C (zh) | 以对位芳纶短切纤维为原料的芳纶纸及其制备方法 | |
CN106245411B (zh) | 一种间位芳纶纤维纸基材料的生产方法 | |
CN110528314B (zh) | 一种含熔喷聚苯硫醚超细纤维的复合片材及其制备方法和应用 | |
CN111235944B (zh) | 一种芳纶纳米纤维涂布芳纶纸及其制备方法 | |
US10173403B2 (en) | Aramid resin film laminate and method for producing the same | |
KR101430556B1 (ko) | 셀룰로오스 나노섬유와 열가소성 합성고분자 섬유를 이용한 열가소성 나노섬유 컴포지트 제조 방법 | |
CN102587217B (zh) | 一种聚酰亚胺纤维绝缘纸的制备方法 | |
CN106928705B (zh) | 一种含填料的聚酰亚胺复合材料、片材以及含有它的电路基板 | |
EP1840263A1 (en) | Polyketone fiber paper, polyketone fiber paper core material for printed wiring board and printed wiring board | |
CN111472193B (zh) | 一种对位芳纶纳米纤维云母纸及其制备方法 | |
EP2979855A1 (en) | Laminate and method for producing same | |
CN114960297B (zh) | 一种具有钉扎效应的芳纶复合纸及其制备方法 | |
CN109518530B (zh) | 一种层压厚钢纸及其制备方法 | |
CN112726283B (zh) | 一种耐高温蜂窝芯材用聚对苯撑苯并二噁唑纤维纸基材料及其制备方法 | |
CN109680552B (zh) | 聚酰亚胺/纳米纤维复合纸及其制备方法 | |
JP6649701B2 (ja) | アラミド紙、及びその製造方法 | |
CN101949082B (zh) | 一种聚苯硫醚纤维绝缘纸的制备方法 | |
JP5779893B2 (ja) | 不織布とフィルムとからなる積層体 | |
CN114808538A (zh) | 一种高阻燃芳纶复合纸及其制备方法 | |
CN113005820B (zh) | 一种多层复合芳纶纸的制备方法 | |
CN110965384B (zh) | 一种芳纶1313高电气强度绝缘纸及其制备方法 | |
CN115198567A (zh) | 一种高性能芳纶层压板及其制备方法与应用 | |
CN114075800A (zh) | 一种具有阻燃性能的纸基电磁屏蔽复合材料及其制备方法和应用 | |
CN114497882A (zh) | 高强度对位芳纶隔膜及其制备方法 | |
US20080105395A1 (en) | Polyketone Fiber Paper, Polyketone Fiber Paper Core Material For Printed Wiring Board, And Printed Wiring Board |
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 |