WO2018032795A1 - Tissu stratifié pour substrat de carte de circuit de réseau 4g ou 5g et son procédé de fabrication - Google Patents

Tissu stratifié pour substrat de carte de circuit de réseau 4g ou 5g et son procédé de fabrication Download PDF

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Publication number
WO2018032795A1
WO2018032795A1 PCT/CN2017/081251 CN2017081251W WO2018032795A1 WO 2018032795 A1 WO2018032795 A1 WO 2018032795A1 CN 2017081251 W CN2017081251 W CN 2017081251W WO 2018032795 A1 WO2018032795 A1 WO 2018032795A1
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WO
WIPO (PCT)
Prior art keywords
glass fiber
cloth
alkali
laminate
circuit board
Prior art date
Application number
PCT/CN2017/081251
Other languages
English (en)
Chinese (zh)
Inventor
赵文杰
赵晖
侯金国
Original Assignee
江苏泰氟隆科技有限公司
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 江苏泰氟隆科技有限公司 filed Critical 江苏泰氟隆科技有限公司
Publication of WO2018032795A1 publication Critical patent/WO2018032795A1/fr

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    • 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
    • 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
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/02—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments
    • B32B17/04—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments bonded with 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • 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
    • B32B2307/712—Weather resistant
    • 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

Definitions

  • the present invention relates to the field of wireless communication circuit board technology, and more particularly to a laminate for a 4G or 5G network circuit board substrate, and a manufacturing process of the circuit board substrate laminate.
  • a laminate for a 4G or 5G network circuit board substrate comprising an alkali-free glass fiber-based cloth and a polytetrafluoroethylene coating, the two sides of the alkali-free glass fiber-based cloth being covered with a polytetra Vinyl fluoride coating.
  • the two sides of the alkali-free glass fiber-based cloth are covered with two or more layers of polytetrafluoroethylene coating.
  • the laminate comprises two or more layers of alkali-free glass fiber-based cloth, and each side of the glass fiber-based cloth is covered with a polytetrafluoroethylene coating.
  • the alkali-free glass fiber-based cloth has a thickness of 0.03 mm, 0.06 mm or 0.095 mm.
  • the laminate has a thickness of between 0.05 mm and 0.15 mm.
  • a manufacturing process for a laminate of a 4G or 5G network circuit board substrate comprising the steps of:
  • dewaxing the fabric, and the alkali-free glass fiber fabric is dewaxed through a dewaxing chamber, and the dewaxing temperatures are respectively set to 415 ° C, 395 ° C, 350 ° C, 210 ° C;
  • the dipped glass fiber cloth is sent to the sintering zone for high-temperature sintering, and four temperature zones are set in the sintering zone.
  • the temperatures of the four temperature zones are set to 363 ° C, 285 ° C, 178 ° C, 35 respectively. °C;
  • the high-temperature sintered glass fiber cloth is conveyed and tensioned by a tension roller, and then conveyed to a winding roller, and after winding, a glass fiber laminated cloth coated with a polytetrafluoroethylene coating is obtained.
  • the step (1) the operation speed of the glass fiber cloth is 30 m/min; and the speed of the step (4) glass fiber cloth winding is 0.8-0.95 m/min.
  • the concentration of the PTFE emulsion of the three steps of the step (2) is 35-45%, 45-50%, 50-55%, respectively.
  • the thickness of the alkali-free glass fiber blank of the step (1) is 0.03 mm, 0.06 mm or 0.095 mm, and the width thereof is 900 mm, 1050 mm, 1270 mm.
  • the polytetrafluoroethylene glass fiber laminate obtained in the step (4) has a thickness of between 0.05 mm and 0.15 mm.
  • the invention has the beneficial effects that: compared with the prior art, the PTFE glass fiber laminate produced by the manufacturing process of the invention can be used as a circuit board substrate matched with a 4G or 5G network, the substrate surface is smooth and smooth, and the product edges are not curled. Easy to handle, and the substrate film can be cut to improve production efficiency.
  • the invention can greatly improve the flatness of the surface of the substrate, avoids a large loss caused by the failure to use the curling problem, and is used as a circuit board substrate matched with the 4G or 5G network, has stable dielectric properties and good weather resistance, and is suitable for use in Use in all types of environments.
  • Figure 1 is a schematic view of the structure of the present invention.
  • a laminate for a 4G or 5G network circuit board substrate is composed of an alkali-free glass fiber base cloth 1 and a polytetrafluoroethylene coating 2, and the alkali-free glass fiber base cloth 1 Both sides are covered with a Teflon coating 2.
  • the two sides of the alkali-free glass fiber base fabric 1 are covered with two or more layers of polytetrafluoroethylene coating 2.
  • the laminate comprises two or more layers of an alkali-free glass fiber-based cloth 1, each of which is covered with a Teflon coating 2 on both sides.
  • the thickness of the alkali-free glass fiber base fabric 1 is 0.03 mm, 0.06 mm or 0.095 mm.
  • the laminate has a thickness of between 0.05 mm and 0.15 mm.
  • a manufacturing process for a laminate of a 4G or 5G network circuit board substrate comprising the steps of:
  • dewaxing the fabric, and the alkali-free glass fiber fabric is dewaxed through a dewaxing chamber, and the dewaxing temperatures are respectively set to 415 ° C, 395 ° C, 350 ° C, 210 ° C;
  • the dipped glass fiber cloth is sent to the sintering zone for high-temperature sintering, and four temperature zones are set in the sintering zone.
  • the temperatures of the four temperature zones are set to 363 ° C, 285 ° C, 178 ° C, 35 respectively. °C;
  • the high-temperature sintered glass fiber cloth is conveyed and tensioned by a tension roller, and then conveyed to a winding roller, and after winding, a glass fiber laminated cloth coated with a polytetrafluoroethylene coating is obtained.
  • the speed of the operation of the glass fiber cloth in the step (1) is 30 m/min; and the speed of winding the glass fiber cloth in the step (4) is 0.8-0.95 m/min.
  • the PTFE emulsion concentration of the three times of the dipping treatment in the step (2) is 35-45%, 45-50%, 50-55%, respectively.
  • Step (1) The thickness of the alkali-free glass fiber woven fabric is 0.03 mm, 0.06 mm or 0.095 mm, and the width thereof is 900 mm, 1050 mm, and 1270 mm.
  • the thickness of the polytetrafluoroethylene glass fiber laminate obtained in the step (4) is from 0.05 mm to 0.15. Between millimeters.

Landscapes

  • Laminated Bodies (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

L'invention concerne un tissu stratifié pour substrat de carte de circuit de réseau 4G ou 5G et son procédé de fabrication, dans lequel le tissu stratifié comporte un tissu de base en fibre de verre sans alcali et un revêtement de polytétrafluoroéthylène. Les deux côtés du tissu de base en fibre de verre sans alcali sont recouverts d'un revêtement de polytétrafluoroéthylène, le revêtement de polytétrafluoroéthylène ayant deux couches ou plus, l'épaisseur du tissu stratifié étant comprise entre 0,05 mm et 0,15 mm. Le procédé de fabrication du tissu stratifié comporte : (1) un déparaffinage de tissu ; (2) un traitement de trempage à basse température ; (3) un frittage à haute température ; et (4) un enroulement servant à obtenir un produit fini de tissu stratifié en fibre de verre à revêtement de polytétrafluoroéthylène.
PCT/CN2017/081251 2016-08-18 2017-04-20 Tissu stratifié pour substrat de carte de circuit de réseau 4g ou 5g et son procédé de fabrication WO2018032795A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610688597.2A CN106313796B (zh) 2016-08-18 2016-08-18 用于4g或5g网络电路板基材的层压布及其制造工艺
CN201610688597.2 2016-08-18

Publications (1)

Publication Number Publication Date
WO2018032795A1 true WO2018032795A1 (fr) 2018-02-22

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PCT/CN2017/081251 WO2018032795A1 (fr) 2016-08-18 2017-04-20 Tissu stratifié pour substrat de carte de circuit de réseau 4g ou 5g et son procédé de fabrication

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CN (1) CN106313796B (fr)
WO (1) WO2018032795A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113103694A (zh) * 2020-01-13 2021-07-13 北京服装学院 一种新型仿皮环保面料的制备方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106313796B (zh) * 2016-08-18 2018-07-17 江苏泰氟隆科技有限公司 用于4g或5g网络电路板基材的层压布及其制造工艺
CN110077018A (zh) * 2019-06-04 2019-08-02 江苏泰氟隆科技有限公司 天线电路板表面复合用ptfe热熔胶膜及其制造工艺
CN113718532A (zh) * 2021-09-16 2021-11-30 江苏奥凯新材料科技有限公司 一种耐腐蚀耐热的无凸点高温防粘布及其制作工艺

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CN102198745A (zh) * 2010-03-24 2011-09-28 常州中英科技有限公司 聚四氟乙烯玻璃纤维覆铜层压板的生产工艺
CN104532504A (zh) * 2014-12-26 2015-04-22 江苏泰氟隆科技有限公司 一种聚四氟乙烯玻璃纤维透气漆布的制备工艺
CN104532578A (zh) * 2014-12-26 2015-04-22 江苏泰氟隆科技有限公司 一种聚四氟乙烯玻璃纤维透气漆布及配方
CN106313796A (zh) * 2016-08-18 2017-01-11 江苏泰氟隆科技有限公司 用于4g或5g网络电路板基材的层压布及其制造工艺
CN205929660U (zh) * 2016-08-18 2017-02-08 江苏泰氟隆科技有限公司 一种用于4g或5g网络电路板基材的层压布

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CN1583638A (zh) * 2004-06-10 2005-02-23 上海市塑料研究所 宽幅聚四氟乙烯网格材料的一体化制备方法
CN103924452A (zh) * 2014-04-15 2014-07-16 包信章 一种制备双面聚四氟乙烯玻璃纤维布的设备和方法

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CN102198745A (zh) * 2010-03-24 2011-09-28 常州中英科技有限公司 聚四氟乙烯玻璃纤维覆铜层压板的生产工艺
CN104532504A (zh) * 2014-12-26 2015-04-22 江苏泰氟隆科技有限公司 一种聚四氟乙烯玻璃纤维透气漆布的制备工艺
CN104532578A (zh) * 2014-12-26 2015-04-22 江苏泰氟隆科技有限公司 一种聚四氟乙烯玻璃纤维透气漆布及配方
CN106313796A (zh) * 2016-08-18 2017-01-11 江苏泰氟隆科技有限公司 用于4g或5g网络电路板基材的层压布及其制造工艺
CN205929660U (zh) * 2016-08-18 2017-02-08 江苏泰氟隆科技有限公司 一种用于4g或5g网络电路板基材的层压布

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113103694A (zh) * 2020-01-13 2021-07-13 北京服装学院 一种新型仿皮环保面料的制备方法

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CN106313796A (zh) 2017-01-11

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