產(chǎn)品展廳
|
Qnity PI Kapton 35FPC
- 品牌：Qnity
- 型號(hào)：卷
- 價(jià)格： ￥137/盒
- 發(fā)布日期： 2025-11-28
- 更新日期： 2025-12-18
產(chǎn)品詳請(qǐng)
| 品牌 | Qnity |
| 貨號(hào) | |
| 用途 | 航空航天 |
| 牌號(hào) | PI Kapton 35FPC |
| 型號(hào) | Kapton 35FPC |
| 品名 | PI |
| 包裝規(guī)格 | 卷 |
| 外形尺寸 | 薄膜 |
| 廠家 | Qnity(Dupont 杜邦) |
| 是否進(jìn)口 |
極高的多功能性和熱性能帶來(lái)了無(wú)限的潛力
從航天任務(wù)相機(jī)中的電路到下一代光伏電池,Kapton®聚酰亞胺薄膜正在推動(dòng)非凡的新設(shè)計(jì)可能性真正實(shí)現(xiàn)。
對(duì)于 熱量和振動(dòng)的應(yīng)用,設(shè)計(jì)師依賴Kapton®,因?yàn)樗軌蛟谧類毫拥臈l件下保持獨(dú)特的機(jī)械性能組合。
Kapton®聚酰亞胺薄膜在45年來(lái)一直保持行業(yè)標(biāo)準(zhǔn),在高性能、可靠性和耐用性方面保持著標(biāo)準(zhǔn),具有獨(dú)特的電氣、熱能、化學(xué)和機(jī)械性能組合,能夠承受 溫度、振動(dòng)及其他嚴(yán)苛環(huán)境。
Kapton is a polyimide film used in flexible printed circuits (flexible electronics) and space blankets, which are used on spacecraft, satellites, and various space instruments. Invented by the DuPont Corporation in the 1960s, Kapton remains stable across a wide range of temperatures, from 4 to 673 K (?269 to +400 °C). Kapton is used in electronics manufacturing and space applications, with x-ray equipment, and in 3D printing applications. Its favorable thermal properties and outgassing characteristics result in its regular use in cryogenic applications and in high vacuum environments.
History
Kapton was invented by DuPont in the 1960s. As of November 2025, Kapton is manufactured by Qnity Electronics, a spinoff of DuPont.
The name Kapton is a registered trademark of E. I. du Pont de Nemours and Company.
Chemistry and variants
Kapton synthesis is an example of the use of a dianhydride in step polymerization. The intermediate polymer, known as a poly(amic acid), is soluble because of strong hydrogen bonds to the polar solvents usually employed in the reaction. The ring closure is carried out at high temperatures of 470–570 K (200–300 °C).
The chemical name for Kapton K and HN is poly (4,4'-oxydiphenylene-pyromellitimide). It is produced from the condensation of pyromellitic dianhydride (PMDA) and 4,4'-oxydiphenylamine (ODA).
Kapton E is a mix of two dianhydrides, PMDA and biphenyltetracarboxylic acid dianhydride (BPDA), and two diamines, ODA and p-phenylenediamine (PPD). The BPDA component adds greater dimensional stability and flatness in flexible circuitry applications. Kapton E offers reduced coefficient of thermal expansion (CTE), reduced moisture absorption, and reduced coefficient of hygroscopic expansion (CHE) compared to Kapton H.
Characteristics
In isolation, Kapton remains stable across a wide range of temperatures, from 4 to 673 K (?269 to +400 °C).[5][6]
The thermal conductivity of Kapton at temperatures from 0.5 to 5 Kelvin is rather high for such low temperatures, κ = 4.638×10?3 T0.5678 W·m?1·K?1.
Kapton insulation ages poorly: an FAA study shows degradation in hot, humid environments[8] or in the presence of seawater. It was found to have very poor resistance to mechanical wear, mainly abrasion within cable harnesses due to aircraft movement. Many aircraft models have had to undergo extensive rewiring modifications—sometimes completely replacing all the Kapton-insulated wiring—because of short circuits caused by the faulty insulation. Kapton-wire degradation and chafing due to vibration and heat has been implicated in multiple crashes of both fixed wing and rotary wing aircraft, with loss of life. The New York Times, citing a NASA OIG document, reported in 2005 that Kapton-insulated cables on the Space Shuttle "tended to break down over time, causing short circuits and, potentially, fires." The STS-93 mission saw electrical shorts on Kapton insulation disable two engine controllers and nearly cause catastrophe.
Usage
Kapton tapes, three rolls of different widths
Electronics manufacturing
Kapton tape (yellow) used to insulate the leads of a battery cell in a bluetooth headset
Due to its large range of temperature stability and its electrical isolation ability, Kapton tape is usually used in electronic manufacturing as an insulation and protection layer on electrostatic-sensitive and fragile components. As it can sustain the temperature needed for a reflow soldering operation, its protection is available throughout the whole production process, and Kapton is often still present in the final consumer product.
Spacecraft
Aluminized Kapton thermal cover was used on the Ultra Heavy Cosmic Ray Experiment.
The descent stage of the Apollo Lunar Module, and the bottom of the ascent stage surrounding the ascent engine, were covered in blankets of aluminized Kapton foil to provide thermal insulation. During the return journey from the Moon, Apollo 11 astronaut Neil Armstrong commented that during the launch of the Lunar Module Eagle ascent stage, he could see "Kapton and other parts of the LM staging scattering all around the area for great distances."
Test unit of the James Webb Space Telescope sunshield, made of aluminized Kapton
The NASA Jet Propulsion Laboratory has considered Kapton as a good plastic support for solar sails because of its durability in the space environment.
NASA's New Horizons spacecraft used Kapton in an innovative "Thermos bottle" insulation design to keep the craft operating between 283 and 303 K (10 and 30 °C) throughout its more than nine-year, 5-terametre (33-astronomical-unit) journey to rendezvous with the dwarf planet Pluto on 14 July 2015. The main body is covered in lightweight, gold-colored, multilayered thermal insulation which holds in heat from operating electronics to keep the spacecraft warm. The thermal blanketing of 18 layers of Dacron mesh cloth sandwiched between aluminized Mylar and Kapton film also helped to protect the craft from micrometeorites.
The James Webb Space Telescope sunshield is made of five Kapton E sheets coated with aluminum and doped silicon to reflect heat away from the spacecraft body.
The crew aboard the International Space Station used Kapton tape to temporarily repair a slow leak in a Soyuz spacecraft attached to the Russian segment of the orbital complex in August 2018.[16] It was used again in October 2020 to temporarily seal a leak in the transfer chamber of the Zvezda Service Module of the ISS.
X-rays
Kapton is also commonly used as a material for windows used with all kinds of X-ray sources (synchrotron beam-lines and X-ray tubes) and X-ray detectors. Its high mechanical and thermal stability as well as high transmittance of X-rays make it the preferred material. It is also relatively insensitive to radiation damage.
3D printing
Kapton and ABS adhere to each other very well, which has led to widespread use of Kapton as a build surface for 3D printers. Kapton is laid down on a flat surface and the ABS is extruded onto the Kapton surface. The ABS part being printed will not detach from the build platform as it cools and shrinks, a common cause of print failure by warping of the part.A more durable alternative is to use a polyetherimide surface.
Researchers have devised a method to 3D-print polyimide material including Kapton. The polyamic acid precursor to Kapton is mixed with an acrylate cross linker and photoinitiator that can form a gel when exposed to ultraviolet light during 3D printing. Subsequent heating of the 3D printed part up to 400 °C removes the sacrificial crosslinks and imidizes the part forming Kapton with a 31D printed geometry.
Others
Kapton's relatively high thermal conductivity at very low temperatures, together with its good dielectric qualities and its availability as thin sheets, have made it a favorite material in cryogenics, as it provides electrical insulation at low thermal gradients.
Kapton is regularly used as an insulator in ultra-high-vacuum environments due to its low outgassing rate.
從航天任務(wù)相機(jī)中的電路到下一代光伏電池,Kapton®聚酰亞胺薄膜正在推動(dòng)非凡的新設(shè)計(jì)可能性真正實(shí)現(xiàn)。
對(duì)于 熱量和振動(dòng)的應(yīng)用,設(shè)計(jì)師依賴Kapton®,因?yàn)樗軌蛟谧類毫拥臈l件下保持獨(dú)特的機(jī)械性能組合。
Kapton®聚酰亞胺薄膜在45年來(lái)一直保持行業(yè)標(biāo)準(zhǔn),在高性能、可靠性和耐用性方面保持著標(biāo)準(zhǔn),具有獨(dú)特的電氣、熱能、化學(xué)和機(jī)械性能組合,能夠承受 溫度、振動(dòng)及其他嚴(yán)苛環(huán)境。
杜邦™ Kapton®
聚酰亞胺薄膜
電機(jī)和磁線技術(shù)公告
引言
本公告描述了 Kapton® 聚酰亞胺薄膜的性能和特性，這些性能和特性在電機(jī)和磁線行業(yè)中具有重要意義。
為了更深入地了解，本公告提供了測(cè)試方法，并以國(guó)際單位制 (SI) 和英制單位表示數(shù)值。
本公告提供了最小值和/或 值，旨在幫助那些需要更好地了解當(dāng)前產(chǎn)品測(cè)試限值以進(jìn)行設(shè)計(jì)的用戶。這些數(shù)值不應(yīng)被解釋為“實(shí)際/典型”值的代表。
因此，如果您需要典型值數(shù)據(jù)，請(qǐng)聯(lián)系您的杜邦 Kapton® 銷售或技術(shù)代表。
由于產(chǎn)品用途和使用條件多種多樣，難以預(yù)料，
因此用戶應(yīng)自行進(jìn)行測(cè)試，以確定
產(chǎn)品是否適合其特定用途。
任何需要進(jìn)一步解釋或澄清的數(shù)據(jù)方面，
都應(yīng)與杜邦Kapton®技術(shù)代表進(jìn)行討論。
Kapton is a polyimide film used in flexible printed circuits (flexible electronics) and space blankets, which are used on spacecraft, satellites, and various space instruments. Invented by the DuPont Corporation in the 1960s, Kapton remains stable across a wide range of temperatures, from 4 to 673 K (?269 to +400 °C). Kapton is used in electronics manufacturing and space applications, with x-ray equipment, and in 3D printing applications. Its favorable thermal properties and outgassing characteristics result in its regular use in cryogenic applications and in high vacuum environments.
History
Kapton was invented by DuPont in the 1960s. As of November 2025, Kapton is manufactured by Qnity Electronics, a spinoff of DuPont.
The name Kapton is a registered trademark of E. I. du Pont de Nemours and Company.
Chemistry and variants
Kapton synthesis is an example of the use of a dianhydride in step polymerization. The intermediate polymer, known as a poly(amic acid), is soluble because of strong hydrogen bonds to the polar solvents usually employed in the reaction. The ring closure is carried out at high temperatures of 470–570 K (200–300 °C).
The chemical name for Kapton K and HN is poly (4,4'-oxydiphenylene-pyromellitimide). It is produced from the condensation of pyromellitic dianhydride (PMDA) and 4,4'-oxydiphenylamine (ODA).
Kapton E is a mix of two dianhydrides, PMDA and biphenyltetracarboxylic acid dianhydride (BPDA), and two diamines, ODA and p-phenylenediamine (PPD). The BPDA component adds greater dimensional stability and flatness in flexible circuitry applications. Kapton E offers reduced coefficient of thermal expansion (CTE), reduced moisture absorption, and reduced coefficient of hygroscopic expansion (CHE) compared to Kapton H.
Characteristics
In isolation, Kapton remains stable across a wide range of temperatures, from 4 to 673 K (?269 to +400 °C).[5][6]
The thermal conductivity of Kapton at temperatures from 0.5 to 5 Kelvin is rather high for such low temperatures, κ = 4.638×10?3 T0.5678 W·m?1·K?1.
Kapton insulation ages poorly: an FAA study shows degradation in hot, humid environments[8] or in the presence of seawater. It was found to have very poor resistance to mechanical wear, mainly abrasion within cable harnesses due to aircraft movement. Many aircraft models have had to undergo extensive rewiring modifications—sometimes completely replacing all the Kapton-insulated wiring—because of short circuits caused by the faulty insulation. Kapton-wire degradation and chafing due to vibration and heat has been implicated in multiple crashes of both fixed wing and rotary wing aircraft, with loss of life. The New York Times, citing a NASA OIG document, reported in 2005 that Kapton-insulated cables on the Space Shuttle "tended to break down over time, causing short circuits and, potentially, fires." The STS-93 mission saw electrical shorts on Kapton insulation disable two engine controllers and nearly cause catastrophe.
Usage
Kapton tapes, three rolls of different widths
Electronics manufacturing
Kapton tape (yellow) used to insulate the leads of a battery cell in a bluetooth headset
Due to its large range of temperature stability and its electrical isolation ability, Kapton tape is usually used in electronic manufacturing as an insulation and protection layer on electrostatic-sensitive and fragile components. As it can sustain the temperature needed for a reflow soldering operation, its protection is available throughout the whole production process, and Kapton is often still present in the final consumer product.
Spacecraft
Aluminized Kapton thermal cover was used on the Ultra Heavy Cosmic Ray Experiment.
The descent stage of the Apollo Lunar Module, and the bottom of the ascent stage surrounding the ascent engine, were covered in blankets of aluminized Kapton foil to provide thermal insulation. During the return journey from the Moon, Apollo 11 astronaut Neil Armstrong commented that during the launch of the Lunar Module Eagle ascent stage, he could see "Kapton and other parts of the LM staging scattering all around the area for great distances."
Test unit of the James Webb Space Telescope sunshield, made of aluminized Kapton
The NASA Jet Propulsion Laboratory has considered Kapton as a good plastic support for solar sails because of its durability in the space environment.
NASA's New Horizons spacecraft used Kapton in an innovative "Thermos bottle" insulation design to keep the craft operating between 283 and 303 K (10 and 30 °C) throughout its more than nine-year, 5-terametre (33-astronomical-unit) journey to rendezvous with the dwarf planet Pluto on 14 July 2015. The main body is covered in lightweight, gold-colored, multilayered thermal insulation which holds in heat from operating electronics to keep the spacecraft warm. The thermal blanketing of 18 layers of Dacron mesh cloth sandwiched between aluminized Mylar and Kapton film also helped to protect the craft from micrometeorites.
The James Webb Space Telescope sunshield is made of five Kapton E sheets coated with aluminum and doped silicon to reflect heat away from the spacecraft body.
The crew aboard the International Space Station used Kapton tape to temporarily repair a slow leak in a Soyuz spacecraft attached to the Russian segment of the orbital complex in August 2018.[16] It was used again in October 2020 to temporarily seal a leak in the transfer chamber of the Zvezda Service Module of the ISS.
X-rays
Kapton is also commonly used as a material for windows used with all kinds of X-ray sources (synchrotron beam-lines and X-ray tubes) and X-ray detectors. Its high mechanical and thermal stability as well as high transmittance of X-rays make it the preferred material. It is also relatively insensitive to radiation damage.
3D printing
Kapton and ABS adhere to each other very well, which has led to widespread use of Kapton as a build surface for 3D printers. Kapton is laid down on a flat surface and the ABS is extruded onto the Kapton surface. The ABS part being printed will not detach from the build platform as it cools and shrinks, a common cause of print failure by warping of the part.A more durable alternative is to use a polyetherimide surface.
Researchers have devised a method to 3D-print polyimide material including Kapton. The polyamic acid precursor to Kapton is mixed with an acrylate cross linker and photoinitiator that can form a gel when exposed to ultraviolet light during 3D printing. Subsequent heating of the 3D printed part up to 400 °C removes the sacrificial crosslinks and imidizes the part forming Kapton with a 31D printed geometry.
Others
Kapton's relatively high thermal conductivity at very low temperatures, together with its good dielectric qualities and its availability as thin sheets, have made it a favorite material in cryogenics, as it provides electrical insulation at low thermal gradients.
Kapton is regularly used as an insulator in ultra-high-vacuum environments due to its low outgassing rate.
Kapton-insulated electrical wiring has been widely used in civil and military aircraft because it is lighter than other insulators and has good insulating and temperature characteristics.
杜邦™ Kapton® 性能概述
熱老化
Kapton® 聚酰亞胺薄膜的使用壽命取決于溫度和氧氣濃度。根據(jù)
UL-746B 測(cè)試程序，在不同溫度下測(cè)定了 Kapton® 的熱壽命。在 0 時(shí)刻和 325°C (617°F) 時(shí)，拉伸強(qiáng)度為 234 MPa (34,000 psi)，伸長(zhǎng)率為 67%。結(jié)果如圖 6-8 所示。
在低氧環(huán)境下，Kapton® 聚酰亞胺薄膜的高溫使用壽命顯著延長(zhǎng)。Kapton® 易發(fā)生氧化降解。因此，在氦氣環(huán)境下進(jìn)行測(cè)試時(shí)，其使用壽命比在空氣中至少高一個(gè)數(shù)量級(jí)。使用杜邦™ 1090 熱分析儀系統(tǒng)，在高溫下，Kapton® 在空氣和氦氣中的重量損失特性如圖 9 和圖 10 所示。
