Title:
INSULATING MATERIALS AND METHODS THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/081901
Kind Code:
A1
Abstract:
Insulating articles, assemblies and methods are provided. The insulating articles include a core layer (101,201) containing a plurality of non-meltable fibers; and at least one reinforcement layer (102, 202) disposed on the core layer (101,201). The insulating article has tensile strength of at least 0.75 newtons/millimeter according to ASTM D822 and a tear strength of at least 2 newtons under ASTM D1938, wherein the insulating article has a surface electrical resistivity of at least 15 M-ohm at a relative humidity of 85% and temperature of 30℃, wherein the insulating article has an air flow resistance of up to 2000 MKS Rayls according to ASTM C522, and wherein the insulating article displays a UL94-V0 flammability rating.
Inventors:
LI MINGZHU (CN)
WU PINGFAN (US)
WANG ZHAOGANG (CN)
WU PINGFAN (US)
WANG ZHAOGANG (CN)
Application Number:
PCT/CN2019/114753
Publication Date:
May 06, 2021
Filing Date:
October 31, 2019
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES CO (US)
LI MINGZHU (CN)
LI MINGZHU (CN)
International Classes:
B32B9/04; B32B27/00; B32B27/30
Foreign References:
| US20160059525A1 | 2016-03-03 | |||
| US20160059525A1 | 2016-03-03 | |||
| US20150307670A1 | 2015-10-29 | |||
| US20150307670A1 | 2015-10-29 | |||
| US20190157648A1 | 2019-05-23 | |||
| CN1871120A | 2006-11-29 | |||
| US20170203552A1 | 2017-07-20 | |||
| CN105307861B | 2018-02-09 | |||
| CN103718649A | 2014-04-09 | |||
| CN110177672A | 2019-08-27 |
Attorney, Agent or Firm:
TEE & HOWE INTELLECTUAL PROPERTY ATTORNEYS (CN)
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