CN107710337B - 用于将云母纸裹绕在电导体上的方法以及适用于该方法的云母纸带 - Google Patents
用于将云母纸裹绕在电导体上的方法以及适用于该方法的云母纸带 Download PDFInfo
- Publication number
- CN107710337B CN107710337B CN201680034392.0A CN201680034392A CN107710337B CN 107710337 B CN107710337 B CN 107710337B CN 201680034392 A CN201680034392 A CN 201680034392A CN 107710337 B CN107710337 B CN 107710337B
- Authority
- CN
- China
- Prior art keywords
- conductor
- mica paper
- band
- point
- supporting layer
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators 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
- H01B3/42—Insulators 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 polyesters; polyethers; polyacetals
- H01B3/421—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
- B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
- B32B19/02—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica the layer of fibres or particles being impregnated or embedded in a plastic substance
-
- 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
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- 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
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- 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
- B32B5/02—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
- B32B5/024—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
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
-
- 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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/06—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/08—Insulating conductors or cables by winding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/04—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances mica
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/48—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials
- H01B3/485—Other fibrous materials fabric
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0241—Disposition of insulation comprising one or more helical wrapped layers of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/10—Applying solid insulation to windings, stators or rotors
- H02K15/105—Applying solid insulation to windings, stators or rotors to the windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/30—Windings characterised by the insulating material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/40—Windings characterised by the shape, form or construction of the insulation for high voltage, e.g. affording protection against corona discharges
-
- 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
- B32B2262/0253—Polyolefin 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
-
- 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
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester 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
- B32B2262/10—Inorganic 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
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass 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
- B32B2262/10—Inorganic fibres
- B32B2262/108—Rockwool 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/202—Conductive
-
- 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
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/206—Insulating
-
- 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
- B32B2307/748—Releasability
-
- 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
- B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
- B32B2315/10—Mica
-
- 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
- B32B2405/00—Adhesive articles, e.g. adhesive tapes
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/251—Mica
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31725—Of polyamide
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/30—Woven fabric [i.e., woven strand or strip material]
- Y10T442/3927—Including a paper or wood pulp layer
- Y10T442/3935—Mica paper layer
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Ceramic Engineering (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Insulating Bodies (AREA)
- Laminated Bodies (AREA)
- Organic Insulating Materials (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Paper (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
本发明披露了一种用于绕电导体应用云母纸的方法,过程包括:在该导体上的贴附点将包括该云母纸的条带贴附到该导体上;绕在该导体的表面缠绕该条带,直到该条带已经缠绕到距该贴附点至少25%该导体周长的点处;并且然后起始于该贴附点,开始从该条带上连续去除该支撑层,该云母纸保持与该导体的表面相接触;并且继续绕该导体缠绕该条带,同时在去除点去除该支撑层,直到用至少一层的该云母纸完全覆盖希望量的导体表面为止,条件是该去除点保持在该缠绕点后面至少25%的该导体周长处,直到完全覆盖该希望量的导体表面为止。还披露了一种条带,该条带具有云母纸和支撑层,其中,该云母纸;其中,该支撑层的初始伸长度等于或小于该云母纸的初始伸长度;并且其中,该支撑层可分离地贴附到该云母纸上,使得当在支撑层上施加10 N/10 mm或更小的脱层力时,该支撑层能够从该云母纸上分离开。
Description
背景技术
技术领域。本发明涉及一种用于将云母纸作为绝缘体应用于电导体上的方法以及一种在这样的方法中有用的云母纸带。
相关技术说明。云母含量高的纸作为绝缘体在电机、发电机和逆变器中是有用的。云母含量较高的云母纸典型地具有机械支撑层(例如玻璃布或聚酯膜)来补偿与高云母含量相关联的云母纸的机械弱点。然而,不希望机械支撑层用在电气装备中,因为许多绝缘失效是由于机械支撑层及其较低的电晕阻抗、不同的热膨胀、及不同的电导率。
常见的是使用专门被设计成用于保持条带上的张力同时快速绕导体缠绕条带的机器来以螺旋形或螺旋状的方式绕导体缠绕呈条带形式的电绝缘体。这些机器通常需要云母纸带和机械支撑层一起使用,因此电气性能不太理想的机械支撑层成为绝缘体的一部分。
因此,需要一种成功绕电导体裹绕云母纸的方法,其中,不需要在电绝缘体中包括机械支撑层。
发明内容
本发明涉及一种绕电导体应用云母纸的方法,过程包括
i) 条带,该条带具有包括该云母纸的连续表面的面以及包括支撑层的面,该支撑层可分离地贴附到该云母纸上;以及
ii) 电导体,所述导体具有表面和周长,该表面具有长度,该周长垂直于所述长度;
该方法按顺序包括以下步骤:
a. 在该导体的表面上的贴附点将该条带的、包括该云母纸的连续表面的所述面贴附到该导体上;
b. 绕该导体缠绕该条带,该云母纸与该导体的表面相接触,直到该条带已经在该导体的表面上缠绕到距该贴附点至少25%的该导体周长处的缠绕点;并且然后
c. 起始于该贴附点,开始从该条带上连续去除该支撑层,该云母纸保持与该导体的表面相接触;并且
d. 继续绕该导体缠绕该条带,该云母纸与该导体的表面至少部分地相接触并且继续在缠绕点接触该表面,同时在去除点去除该支撑层,直到用至少一层的该云母纸完全覆盖希望量的导体表面为止,
条件是该去除点保持在该缠绕点后面至少25%的该导体周长处,直到完全覆盖该希望量的导体表面为止。
本发明还涉及一种条带,该条带具有包括连续云母纸表面的第一面以及包括支撑层的第二面,其中,该云母纸包含70到99重量百分比的云母和1到30重量百分比的粘结剂,并且该支撑层包含膜、纸、非编织织物、或编织织物;其中,该支撑层的初始伸长度等于或小于该云母纸的初始伸长度;并且其中,该支撑层可分离地贴附到该云母纸上,使得当在支撑层上施加10 N/10 mm或更小的脱层力时,该支撑层能够从该云母纸上分离开。
附图说明
图1-4展示了将绝缘条带应用于具有矩形横截面的导体上的方法的某些方面。
具体实施方式
本发明涉及一种用于通过使用与可剥离的支撑层相组合的云母纸来将绝缘体应用于电导体上的方法。这种可剥离的支撑层临时用于在沿着电导体的长度进行缠绕的过程中支撑张紧的云母纸、并且然后随着沿着电导体用条带捆扎的继续而去除可剥离的支撑层。这种方法可以产生如下结果:仅云母纸裹绕在导体上而不存在任何其他附加层。
云母纸在许多种类的电气部件中、但更特别是在旋转装备(如低电压(标称电压低于1000 V))中有用。电气部件的实例包括电机、发电机和逆变器。优选的电导体是应用云母纸的线圈。云母应用方法对于具有热稳定性和电晕放电阻抗特性同时保持可接受的机械强度的电绝缘体是有用的。
本文中使用的云母纸是指含有无机材料云母的纸。云母含量展示性地可以按重量计为至少45%;然而,在云母纸具有至少70%的云母时、优选地在云母纸按重量计具有至少85%或90%的云母时,呈现出最有用的电气特性。本文中使用的术语“云母”以其针对硅酸盐矿物形式的常规含义使用。可以使用云母颗粒,正常呈多种不同类型(例如白云母或金云母或其混合物)的小薄片的形式;然而,优选的是白云母型云母。电绝缘体的优选云母类型是可选地存在金云母的白云母。
随着纸中的云母含量增大,纸的机械强度和内聚力总体减小。添加剂(例如粘结剂)典型地增大纸的机械强度,但这样的添加剂随着云母含量增大而减小。
将带有可剥离层的云母纸应用于电导体的优选方法是使用高速机器绕表面裹绕材料。这样的高速机器是众所周知的。然而,应理解,在此披露的方法可以用手完成,这意味着人将绕着并沿着电导体应用或裹绕云母纸。
如本文中所采用的,术语“可剥离的支撑层”表示可以用手或机器从云母纸上去除、即分离开的这样的支撑层。握着与可剥离的支撑层相接触的云母纸卷的人能够去除可剥离的支撑层而不损坏云母纸。这样,支撑层被说成是可分离地贴附到云母纸上。可分离地贴附是指支撑层可从云母纸上剥离,使得当在支撑层上施加10 N/10 mm或更小的脱层力时,支撑层可以从云母纸上分离开。
进一步地,支撑层的初始伸长度等于或小于云母纸的初始伸长度。发明人已发现,令人惊奇的是,如果支撑层具有比云母纸更大的伸长度或伸展度,则难以从云母纸上去除支撑层而不撕裂云母纸。
可剥离层的合适实例包括膜、纸、非织造织物、或织造织物;具体实例包括纤维素纸、聚合物膜、非织造结构、芳纶纸和金属箔。
本发明涉及一种绕电导体应用云母纸的方法,过程包括
i) 条带,该条带具有包括该云母纸的连续表面的面以及包括支撑层的面,该支撑层可分离地贴附到该云母纸上;以及
ii) 电导体,所述导体具有表面和周长,该表面具有长度,该周长垂直于所述长度;
该方法按顺序包括以下步骤:
a. 在该导体的表面上的贴附点将该条带的、包括该云母纸的连续表面的所述面贴附到该导体上;
b. 绕该导体缠绕该条带,该云母纸与该导体的表面相接触,直到该条带已经在该导体的表面上缠绕到距该贴附点至少25%的该导体周长处的缠绕点;并且然后
c. 起始于该贴附点,开始从该条带上连续去除该支撑层,该云母纸保持与该导体的表面相接触;并且
d. 继续绕该导体缠绕该条带,该云母纸与该导体的表面至少部分地相接触并且继续在缠绕点接触该表面,同时在去除点去除该支撑层,直到用至少一层的该云母纸完全覆盖希望量的导体表面为止,
条件是该去除点保持在该缠绕点后面至少25%的该导体周长处,直到完全覆盖该希望量的导体表面为止。
在该导体的表面上的贴附点将该条带的、包括该云母纸的连续表面的那面贴附到该导体上。这可以通过以下方式实现:将该条带的前边缘或末端贴到该电导体上,其中,该云母纸的连续表面的前边缘或末端通过 (i) 在该电导体上或 (ii) 在该云母纸的表面的前边缘或末端上使用粘合剂来附着到该导体上。应理解,在所有情况下,粘合剂都不需要位于导体的边缘、前边缘上,但将会位于云母纸的与电导体相接触的末端上。当向该条带施加缠绕张力时,需要云母纸保持与该电导体相接触。
然后绕该导体缠绕该条带,该云母纸与该导体的表面相接触,直到该条带已经在该导体的表面上缠绕到距该贴附点至少25%的该导体周长处的缠绕点;并且然后,起始于该贴附点,开始从该条带上连续去除该支撑层,该云母纸保持与该导体的表面相接触。当该初始贴附点与该缠绕点之间存在这个距离时,可以开始该支撑层的连续去除,因为正在被裹绕的导体提供了该云母纸在该导体上的充分支撑。至少25%导体周长的、初始贴附点(或去除点)与缠绕点之间的距离是最小实践距离,并且当导体具有总体上圆形或椭圆形横截面形状时是有用的。在一个实施例中,初始贴附点(或去除点)与缠绕点之间的距离是至少50%的导体周长。这在导体具有总体上方形或矩形横截面形状时是特别优选的。这样允许条带绕导体的直角拐角缠绕以在去除支撑层之前提供附加支撑。
图1-4展示了在具有矩形横截面的导体上裹绕的技术。参照图1,示出了具有支撑层3和云母纸4的电绝缘条带2贴附到导体1上。绝缘条带的末端形成导体表面上的贴附点5。在图2中,绕导体缠绕了条带,并且当缠绕所述条带时,条带与导体之间的接触的前边缘是缠绕点6。如所指示的,导体上的点7是从贴附点5开始50%导体的周长处的点,在该点,可以在贴附点5处开始从云母纸上去除支撑层。在图3中,缠绕已经前进,其中现在示出了缠绕点在8处,并且去除点9在缠绕点后面50%导体周长处。现在支撑层10已经从云母纸上从初始贴附点剥离到了去除点9。图4进一步展示了裹绕,缠绕点8和去除点9已经围绕导体的表面前进。以此方式继续绕导体进行裹绕。
贴附点(或去除点)与缠绕点之间的最大距离必需小于导体的周长的百分之100,否则支撑层将会缠绕到导体上。从实际意义上,认为贴附点(或去除点)与缠绕点之间的实际最大距离是导体的周长的90%。
该方法继续进行:继续绕导体缠绕条带,云母纸与导体的表面至少部分地相接触并继续在缠绕点接触该表面,同时在去除点去除支撑层,直到用至少一层云母纸完全覆盖希望量的导体表面,条件是从云母纸上去除支撑层的去除点保持在缠绕点后面至少百分之25导体周长处,直到完全覆盖了希望量的导体表面。
优选地,绕导体以螺旋形或螺旋状方式缠绕该条带。进一步地,该条带的至少一部分优选地被缠绕成一层云母纸与之前裹绕的云母纸层至少部分地重叠。典型地,所裹绕的条带的重叠是优选的,其中最优选的是重叠约50%的条带宽度。
为了本文中的目的,用语“导体的表面”是指包括电导体的其中希望裹绕上绝缘体的外表面。“导体的表面”不局限于仅导体的裸露金属表面,而是应理解为还包括可能在金属表面上具有涂层或涂覆在金属表面上的其他材料、或涂覆在导体上的另一种形式的绝缘体的导体外表面。
用于缠绕在导体上的一种优选的条带是具有与可剥离的支撑层相组合的连续云母纸层的条带。也就是,条带具有包括连续的云母纸表面的第一面和包括支撑层的第二面,其中,云母纸包含70到99重量百分比的云母和1到30重量百分比的粘结剂,并且支撑层包含膜、纸、非编织织物、或编织织物;其中,该支撑层的初始伸长度等于或小于该云母纸的初始伸长度;并且其中,该支撑层可分离地贴附到该云母纸上,使得当在支撑层上施加10 N/10mm或更小的脱层力时,该支撑层能够从该云母纸上分离开。
在一些优选实施例中,云母纸层具有90到99重量百分比的云母,并且在一些特定实施例中,云母纸具有95到99重量百分比的云母。云母纸可以含有一种或多种添加剂。典型地,这样的添加剂包括用于增大云母纸的粘着强度的粘结剂、以及其他材料,例如纤维或絮状物。
在一些实施例中,云母纸进一步包含纤维素、醋酸盐、丙烯酸、聚烯烃、聚酰胺、聚酯纤维、玻璃纤维、石棉、像氧化铝一样的多晶体纤维、像钛酸钾一样的单晶体、或其混合物。在一些优选实施例中,云母纸中的粘结剂包括芳香族聚酰胺纤条体。在一些优选实施例中,云母纸中包含芳香族聚酰胺絮状物。一个特别优选的实施例是使用由聚(间苯二甲酰间苯二胺)制成的纤条体和絮状物。
本文中使用的术语“絮状物”是指长度短并且在制备湿法成网纸张和/或纸时惯用的纤维。典型地,絮状物具有从约3毫米到约20毫米的长度。优选的长度是从约3毫米到约7毫米。絮状物正常情况下是通过使用本技术领域中众所周知的方法将连续纤维切割成所需长度而生产的。
本文中使用的术语“芳香族聚酰胺”是至少85%指酰胺(-CONH-)键被直接附接到两个芳环上的芳香族聚酰胺。可选的,添加剂可以与芳香族聚酰胺一起使用并且可以分散在整个聚合物结构中。已经发现,最多按重量计约10%的其他聚合物材料可以与芳香族聚酰胺混合。还发现,可以使用以至多百分之10的其他二元胺替换芳香族聚酰胺的二元胺或以至多约百分之10的其他二酰氯替换聚酰胺的二酰氯的共聚物。
优选的芳香族聚酰胺是间位芳香族聚酰胺。当两个环或游离基沿着分子链相对于彼此间位定向时,认为芳香族聚酰胺聚合物是间位芳香族聚酰胺。优选的间位芳香族聚酰胺是聚(间苯二甲酰间苯二胺)(MPD-I)。美国专利号3,063,966;3,227,793;3,287,324;3,414,645;以及5,667,743说明了用于制作可以用于制作芳香族聚酰胺絮状物的芳香族聚酰胺纤维的有用方法。
可替代地,芳香族聚酰胺纤维可以是对位芳香族聚酰胺或芳香族聚酰胺共聚物。当两个环或游离基沿着分子链相对于彼此对位定向时,认为芳香族聚酰胺聚合物是对位芳香族聚酰胺。例如在美国专利号3,869,430、3,869,429、以及3,767,756中概括披露了用于制作对位芳香族聚酰胺纤维的方法。一种优选的对位芳香族聚酰胺是聚(对苯二甲酰对苯二胺);并且另一种优选的对位芳香族聚酰胺是共聚(对苯撑/3,4’-二苯酯对苯二甲酰胺)。优选的芳香族聚酰胺絮状物是间位芳香族聚酰胺絮状物,并且特别优选的是由间位芳香族聚酰胺聚(间苯二甲酰间苯二胺)(MPD-I)制成的絮状物。
本文中使用的术语“纤条体”是指非常小、非粒状、纤维性或膜形的颗粒,其中其三个尺寸中的至少一个尺寸相对于最大尺寸具有微小量值。如例如在美国专利号2,988,782和2,999,788中披露的,通过使用非溶剂在高剪切力下使聚合物材料溶液沉淀来制备这些颗粒。芳香族聚酰胺纤条体是非粒状膜形芳香族聚酰胺颗粒,具有高于320°C的熔点或分解点。优选的芳香族聚酰胺纤条体是间位芳香族聚酰胺纤条体,并且特别优选的是由间位芳香族聚酰胺聚(间苯二甲酰间苯二胺)(MPD-I)制成的纤条体。
纤条体通常具有的最大长度尺寸在约0.1 mm至约1 mm范围内、长宽纵横比为约5:1至约10 : 1。厚度尺寸在一微米的分数的量级上,例如约0.1微米至约1.0微米。虽然没有要求,但优选的是将芳香族聚酰胺纤条体结合到这些层中、同时纤条体处于永不干燥状态。
在针对芳香族聚酰胺采用了絮状物和纤条体的组合的情况下,絮状物与纤条体的优选重量比在0.5至4.0或更优选地0.8至2.0的范围内。
云母纸可以由附接在一起的多个薄平面网状物制成。如本文中所使用的,术语“面”是指层或纸的两个主表面中的任一者(即,层或纸的一侧或另一侧)。
如果云母纸太厚,其将会干扰缠绕过程。优选地,云母纸不会大于750微米并且更普遍地不大于500微米。在一些其他实施例中,云母纸具有250微米或更小的厚度。在一个优选实施例中,云母纸具有130微米或更小的厚度;另外其他优选实施例具有100微米或更小的厚度。
可以在造纸机上通过向流浆箱提供希望量和比例的云母和/或芳香族聚酰胺固体、并且然后作为网状物湿法铺设到造纸丝上来制造云母纸。湿网状物然后可以在干燥滚筒上进行干燥以形成纸。优选地,然后在热锟压光机的压区中在压力和热量下、或通过其他手段将纸进一步压光,以将纸巩固和致密成具有希望厚度的层。如果希望的话,可以分开制造成分相同的两个或更多个基重较轻或较薄的湿网状物然后被压光和巩固在一起成为单个层。
支撑层可分离地贴附到云母纸上,使得当在支撑层上施加10 N/10 mm或更小的脱层力时,支撑层可以从云母纸上分离开。支撑层可以经由合适的粘合剂可分离地贴附到云母纸上,当在室温下在该粘合剂上施加每10毫米10 N的脱层力时,该粘合剂的附着或粘着失效。这种剥离力或脱层力可以通过在合适的测量装置(例如Instron®)中测量在室温(20°C)下将支撑层从云母纸上拉起的力来确定。为了测量脱层力,将支撑层从云母纸上初始分离开,并且将单独的支撑层和云母层放置在Instron®的相对夹爪中(也就是,180°的剥离角)并测量以100 mm/min的速度将两个层分离开所需的力。
可以使用任何既会将支撑层贴附到云母纸上、又会然后当在粘合剂上施加每10毫米10 N的脱层力时允许从云母纸上剥离支撑层的粘合剂。发明人已经发现,薄涂Scotch®牌喷涂胶粘型(Spray Mount)粘合剂是合适的粘合剂,但可以使用其他类型的粘合剂和其他粘合剂量。
为了创造具有可分离地贴附到云母纸层上的支撑层的条带,方便的是向支撑层的一面涂上合适的粘合剂、并且然后将云母纸的一面贴到该粘合剂上;或替代地,向云母纸的一面涂上合适的粘合剂、并且然后将支撑层的一面贴到该粘合剂上。本发明已经发现,一种合适的可剥离的支撑层是涂覆有聚乙烯的聚酯膜(以杜邦公司的商标Mylar®销售),该聚酯膜具有0.0254 mm的标称厚度。其他适合作为支撑层的材料包括纸、非编织织物、或编织织物。
一种涂粘合剂的方法是从约6到8英寸的距离向支撑层的一面涂上、喷涂上薄、均匀的粘合剂涂层。如果必要的话,允许粘合剂干燥短时间(最多1到5分钟),之后会将云母纸贴到粘合剂上。支撑层上的粘合剂的厚度优选地为0.05 mm到0.030 mm。
此外,例如使用压延机压区以合适的压力(优选地最高达约5.5 Mpa)可以将之间带有粘合剂的这两个层压在一起来产生具有可分离地贴附到云母纸上的支撑层的最终条带。
此外,优选的是,支撑层应能够承受住每10毫米宽度至少60 N的张力,以确保在裹绕导体时云母纸和支撑层充分张紧。在一些情形中,它们承受住每10毫米宽度至少50牛顿的张力就足够了。条带和两个层的充分张紧是优选的,以帮助避免在缠绕过程中的不希望的折痕或皱褶。进一步地,为了用多层层压结构的条带有效裹绕导体,层压结构应优选地具有小于约100 N/m、优选地小于约50 N/m的挠性或刚度,以便用于高速机器条带裹绕过程中。
测试方法
根据ASTM D 645和ASTM D 645-M-96测量基重并以g/m2为单位报告。
根据ASTM D 646-96测量厚度并以mm为单位报告。
使用2.54 cm宽测试试样和18 cm标距长度根据ASTM D 828-93测量抗拉强度和初始伸长度并且以MPa为单位报告。
根据ASTM D 149-97A测量介电强度并以kV/mm为单位报告。
根据ASTM D 3330方法F测量脱层力(或剥离粘着力)并以N/10 mm为单位报告。
根据IEC 60371-2,刚度(挠性)或抗弯力是使试样弯曲的最大挠曲载荷除以测试试样(15 mm宽乘200 mm长)的长度,并且以N/m为单位报告。
实例
实例1
通过将一个云母纸层与一个机械支撑层层压在一起制备了带有可剥离的支撑层的云母纸带。云母纸层是由来自SWECO公司(韩国)的按重量计95%的云母(SRF-105T)以及按重量计5%的间位芳香族聚酰胺纤条体制成的。机械支撑(可剥离)层是具有0.0254 mm厚度的聚酯膜(Mylar®杜邦)。为了在聚酯膜上产生瞬时、可重新定位的粘性表面,将Scotch®Spray Mount™粘合剂涂在聚酯膜的一面上。从距膜表面6到8英寸的距离喷涂薄、均匀的粘合剂涂层5至10秒钟并让其干燥一分钟。聚酯膜上的这个粘合剂层的厚度是大致0.020 mm。云母纸铺设在聚酯膜的这个喷涂的粘合剂表面上,这些层在5.5 Mpa的压光机压区压力下组合以形成层压结构。然后,将层压结构撕成15 mm宽的条带。
对比实例A
SWECO公司(韩国)制备了商用级焙烧云母纸(SRF-105T)。这种云母纸由95%的焙烧云母纸和5%的间位芳香族聚酰胺纤条体构成,作为商用玻璃背板的前体和聚酯膜背衬云母纸。将这种云母纸撕成15 mm宽的条带。在表格中列出了所产生的这种条带的特性。由于机械强度低,所以不论设定什么解缠/重缠张力,条带都会不断地断开。
实例2
以下面的方式用实例1中的条带以螺旋形的方式裹绕导体。矩形导体的横截面大小测试为150 mm乘75 mm。在此条带的起始缠绕点,云母纸表面与聚酰亚胺膜条带(NittoDenko P-224 AMB)一起固定在铝导体表面上。该条带裹绕到导体的两侧上,直到覆盖矩形铝导体的周长的50%为止,并且然后开始将支撑层从云母纸上剥离。导体的螺旋形裹绕继续进行,围绕该导体的下一螺旋绕覆盖前一缠绕的50%(50%过缠绕或半缠绕)。根据需要向条带施加每10 mm宽度最高达40 N的张力以去除看得见的褶皱和折痕。成功将云母纸层裹绕在导体上。在正去除支撑层时,云母纸与支撑层之间的角度为约90度。在表格中列出了所产生的条带的特性。
实例3
按照实例1制备可剥离的支撑层上的云母纸带并按照实例2将其再次缠绕在矩形导体上,然而,导体是具有13.3 mm乘3.3 mm横截面尺寸的较小矩形铜导体。根据需要施加每10 mm宽度最高达50 N的稍微更大的张力以去除看得见的褶皱和折痕。成功将云母纸层裹绕在导体上。在正去除支撑层时,云母纸与支撑层之间的角度为约90度。在表格中列出了所产生的条带的特性。
实例4
按照实例1制备可剥离的支撑层上的云母纸带并按照实例2将其再次缠绕在导体上,但导体是具有160 mm直径的圆形横截面的铝导线。在这种情形下,发现在开始将支撑层从云母纸上剥离之前,该条带仅必须被裹绕在导体上直到圆形横截面的导体的周长的25%。
根据需要向条带施加每10 mm宽度最高达40 N的张力以去除看得见的褶皱和折痕。成功将云母纸层裹绕在导体上。在正去除支撑层时,云母纸与支撑层之间的角度为约90度。在表格中列出了所产生的条带的特性。
表
*不可以缠绕条带。
Claims (11)
1.一种用于绕电导体应用云母纸的方法,过程包括
i) 条带,该条带具有包括该云母纸的连续表面的面以及包括支撑层的面,该支撑层可分离地贴附到该云母纸上;以及
ii) 电导体,所述导体具有表面和周长,该表面具有长度,该周长垂直于所述长度;
该方法按顺序包括以下步骤:
a. 在该导体的表面上的贴附点将该条带的、包括该云母纸的连续表面的所述面贴附到该导体上;
b. 绕该导体缠绕该条带,该云母纸与该导体的表面相接触,直到该条带已经在该导体的表面上缠绕到距该贴附点至少25%的该导体周长处的缠绕点;并且然后
c. 起始于该贴附点,开始从该条带上连续去除该支撑层,该云母纸保持与该导体的表面相接触;以及
d. 继续绕该导体缠绕该条带,该云母纸与该导体的表面至少部分地相接触并且继续在缠绕点接触该表面,同时在去除点去除该支撑层,直到用至少一层的该云母纸完全覆盖希望量的导体表面为止,
条件是该去除点保持在该缠绕点后面至少25%的该导体周长处,直到完全覆盖该希望量的导体表面为止。
2.如权利要求1所述的方法,其中,在步骤b.) 中,缠绕该条带,直到该缠绕点距该导体的表面上的该贴附点至少50%的该导体周长;以及
在步骤d.) 中,绕该导体缠绕该条带,条件是该去除点保持在该缠绕点后面至少50%的该导体周长处,直到完全覆盖该希望量的导体表面为止。
3.如权利要求1或2所述的方法,其中,绕该导体以螺旋形或螺旋状方式缠绕该条带。
4.如权利要求3所述的方法,其中,该条带的至少一部分被缠绕成一层云母纸与之前裹绕的云母纸层至少部分地重叠。
5.如权利要求3所述的方法,其中,该云母纸含有按重量计至少70%的云母。
6.一种条带,该条带具有包括连续云母纸表面的第一面以及包括支撑层的第二面,
其中,该云母纸包含70到99重量百分比的云母和1到30重量百分比的粘结剂,并且该支撑层包含膜、纸、非编织织物、或编织织物;
其中,该支撑层的初始伸长度等于或小于该云母纸的初始伸长度;并且
其中,该支撑层经由合适的粘合剂可分离地贴附到该云母纸上,使得当在该支撑层上施加10 N/10 mm或更小的脱层力时,该支撑层能够从该云母纸上分离开。
7.如权利要求6所述的条带,其中,该云母纸进一步包含芳香族聚酰胺、纤维素、醋酸盐、丙烯酸、聚烯烃、聚酰胺、聚酯、或其混合物。
8.如权利要求6所述的条带,其中,该云母纸进一步包括玻璃纤维、石棉、像氧化铝一样的多晶体纤维、像钛酸钾一样的单晶体纤维、或其混合物。
9.如权利要求6所述的条带,其中,该云母纸中的粘结剂包含芳香族聚酰胺纤条体。
10.如权利要求9所述的条带,其中,该云母纸进一步包含芳香族聚酰胺絮状物。
11.如权利要求10所述的条带,其中,这些芳香族聚酰胺纤条体和絮状物是由聚(间苯二甲酰间苯二胺)制成的。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562174549P | 2015-06-12 | 2015-06-12 | |
US62/174549 | 2015-06-12 | ||
PCT/US2016/030734 WO2016200512A1 (en) | 2015-06-12 | 2016-05-04 | Method of wrapping mica paper on an electrical conductor and mica paper tape suitable for same |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107710337A CN107710337A (zh) | 2018-02-16 |
CN107710337B true CN107710337B (zh) | 2019-11-26 |
Family
ID=55971212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201680034392.0A Active CN107710337B (zh) | 2015-06-12 | 2016-05-04 | 用于将云母纸裹绕在电导体上的方法以及适用于该方法的云母纸带 |
Country Status (6)
Country | Link |
---|---|
US (2) | US9972419B2 (zh) |
EP (1) | EP3308384B1 (zh) |
JP (2) | JP6802812B2 (zh) |
KR (2) | KR102614903B1 (zh) |
CN (1) | CN107710337B (zh) |
WO (1) | WO2016200512A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11509016B2 (en) * | 2019-03-15 | 2022-11-22 | Dupont Safety & Construction, Inc. | Papers useful as thermal insulation and flame barriers for battery cells |
ES2910331T3 (es) * | 2020-01-14 | 2022-05-12 | Hidria D O O | Conexión eléctrica y proceso de fabricación |
WO2023015069A1 (en) | 2021-08-03 | 2023-02-09 | Dupont Safety & Construction, Inc. | Low-shedding aramid paper containing mica |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1726134A (zh) * | 2002-12-13 | 2006-01-25 | 纳幕尔杜邦公司 | 云母片和带 |
CN103843070A (zh) * | 2011-08-03 | 2014-06-04 | 纳幕尔杜邦公司 | 用于电绝缘的层合物 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA596162A (en) * | 1956-02-21 | 1960-04-12 | General Electric Company | Process for treating sheet material and product resulting therefrom |
US3063966A (en) | 1958-02-05 | 1962-11-13 | Du Pont | Process of making wholly aromatic polyamides |
US2988782A (en) | 1958-12-09 | 1961-06-20 | Du Pont | Process for producing fibrids by precipitation and violent agitation |
NL246230A (zh) | 1958-12-09 | |||
US3227793A (en) | 1961-01-23 | 1966-01-04 | Celanese Corp | Spinning of a poly(polymethylene) terephthalamide |
US3101845A (en) * | 1960-09-26 | 1963-08-27 | Minnesota Mining & Mfg | Stretchable mica-containing insulating sheet materials and products insulated therewith |
US3414645A (en) | 1964-06-19 | 1968-12-03 | Monsanto Co | Process for spinning wholly aromatic polyamide fibers |
US3287324A (en) | 1965-05-07 | 1966-11-22 | Du Pont | Poly-meta-phenylene isophthalamides |
US3623924A (en) | 1969-12-15 | 1971-11-30 | Avco Corp | Electrically insulating tape and method of applying same |
US3869430A (en) | 1971-08-17 | 1975-03-04 | Du Pont | High modulus, high tenacity poly(p-phenylene terephthalamide) fiber |
US3869429A (en) | 1971-08-17 | 1975-03-04 | Du Pont | High strength polyamide fibers and films |
JPS5235762B2 (zh) * | 1972-03-31 | 1977-09-10 | ||
US4060451A (en) * | 1972-03-31 | 1977-11-29 | Teijin Limited | Polyamide-imide and mica pulp particles and paper-like sheets made therefrom |
US3767756A (en) | 1972-06-30 | 1973-10-23 | Du Pont | Dry jet wet spinning process |
JPS5951104B2 (ja) * | 1982-01-25 | 1984-12-12 | 株式会社東芝 | マイカシ−トあるいはマイカテ−プの製造方法 |
US4606785A (en) * | 1984-11-15 | 1986-08-19 | Westinghouse Electric Corp. | Simplified method of making high strength resin bonded mica tape |
US4704322A (en) * | 1986-09-22 | 1987-11-03 | Essex Group, Inc. | Resin rich mica tape |
US5618891A (en) * | 1995-03-29 | 1997-04-08 | General Electric Co. | Solventless resin composition having minimal reactivity at room temperature |
US5667743A (en) | 1996-05-21 | 1997-09-16 | E. I. Du Pont De Nemours And Company | Wet spinning process for aramid polymer containing salts |
US6746758B2 (en) * | 2002-02-25 | 2004-06-08 | Hitachi, Ltd. | Insulating material and electric machine winding and method for manufacturing the same |
US20120312366A1 (en) * | 2010-12-22 | 2012-12-13 | E. I. Du Pont De Nemours And Company | Fire resistant back-sheet for photovoltaic module |
GB2492087B (en) * | 2011-06-20 | 2018-09-19 | Tyco Electronics Ltd Uk | High temperature insulating tape and wire or cable sheathed therewith |
-
2016
- 2016-05-04 CN CN201680034392.0A patent/CN107710337B/zh active Active
- 2016-05-04 KR KR1020177035345A patent/KR102614903B1/ko active IP Right Grant
- 2016-05-04 US US15/146,077 patent/US9972419B2/en active Active
- 2016-05-04 JP JP2017564604A patent/JP6802812B2/ja active Active
- 2016-05-04 EP EP16723001.0A patent/EP3308384B1/en active Active
- 2016-05-04 KR KR1020237013809A patent/KR102575285B1/ko active IP Right Grant
- 2016-05-04 WO PCT/US2016/030734 patent/WO2016200512A1/en unknown
-
2018
- 2018-03-22 US US15/928,420 patent/US11027520B2/en active Active
-
2020
- 2020-10-26 JP JP2020179049A patent/JP7011698B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1726134A (zh) * | 2002-12-13 | 2006-01-25 | 纳幕尔杜邦公司 | 云母片和带 |
CN103843070A (zh) * | 2011-08-03 | 2014-06-04 | 纳幕尔杜邦公司 | 用于电绝缘的层合物 |
Also Published As
Publication number | Publication date |
---|---|
EP3308384A1 (en) | 2018-04-18 |
US20180211745A1 (en) | 2018-07-26 |
KR20230062657A (ko) | 2023-05-09 |
WO2016200512A1 (en) | 2016-12-15 |
JP7011698B2 (ja) | 2022-01-27 |
US9972419B2 (en) | 2018-05-15 |
KR102575285B1 (ko) | 2023-09-07 |
US11027520B2 (en) | 2021-06-08 |
EP3308384B1 (en) | 2019-04-24 |
JP2021015802A (ja) | 2021-02-12 |
KR102614903B1 (ko) | 2023-12-19 |
JP2018528566A (ja) | 2018-09-27 |
JP6802812B2 (ja) | 2020-12-23 |
CN107710337A (zh) | 2018-02-16 |
KR20180018534A (ko) | 2018-02-21 |
US20160365173A1 (en) | 2016-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7011698B2 (ja) | 電気導体上にマイカ紙を巻きつける方法および同方法に適したマイカ紙テープ | |
TWI352766B (en) | Aramid paper, method of manufacturing the same and | |
CN105637052B (zh) | 包缠网组件和包缠方法 | |
CN101682238B (zh) | 整修包括层压电气绝缘零件的电气装置组件的方法 | |
JPH02117980A (ja) | 導電性接着テープ | |
JP2004524376A (ja) | 細長い材料、特にケーブル・ルーム(loom)を包むための織物支持体を含んでなる接着テープ | |
JPH10177815A (ja) | 導電性転写テープ | |
CN107708988A (zh) | 耐电晕的树脂相容性层压件 | |
JP2008503053A (ja) | 極大化した雲母含量を有する雲母テープ | |
JPS601888B2 (ja) | ポリイミドチュ−ブ類の製造法 | |
KR20190004265A (ko) | 수지 호환성이 있는 라미네이트 구조체 | |
CN101254679A (zh) | 表面装贴电子元器件编带上胶带生产工艺 | |
CN207958217U (zh) | 玻璃纤维胶带 | |
JP2006117747A (ja) | 導電性粘着テープ | |
JPH0349646B2 (zh) | ||
JPH0632423B2 (ja) | 電磁波シ−ルド性壁装材料 | |
JP3776259B2 (ja) | 寸法安定性に優れたカバーレイフィルムの製造方法 | |
CN107841260A (zh) | 玻璃纤维胶带 | |
JPS6114094Y2 (zh) | ||
KR200305624Y1 (ko) | 절연용 테이프 | |
JPH0418168Y2 (zh) | ||
JP2003045239A (ja) | 横巻線 | |
KR200323162Y1 (ko) | 절연지의 구조 | |
JP2001178058A (ja) | 回転電機の巻線 | |
JPH01176257A (ja) | ドライマイカ成形材料 |
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 | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20221118 Address after: Delaware Patentee after: DuPont Security & Construction Address before: Delaware Patentee before: E. I. du Pont de Nemours and Co. |