Title:
SYNTHETHIC INSULATION WITH IMPROVED SOFTNESS
Document Type and Number:
WIPO Patent Application WO/2024/021038
Kind Code:
A1
Abstract:
A nonwoven includes 20 to 80 wt. % meltblown fiber and 20 to 80 wt. % staple fiber, based on the total weight of the nonwoven. The meltblown fiber includes polyethylene, or a mixture of polyethylene and polypropylene, wherein the polyethylene has a melt index (I 2) between 200 to 1000 g/10 min. The nonwoven can be useful as thermal and/or acoustic insulation with improved softness.
Inventors:
YU HAIYANG (CN)
LI JINGYA (CN)
HUANG XIN (CN)
LI JINGYA (CN)
HUANG XIN (CN)
Application Number:
PCT/CN2022/109029
Publication Date:
February 01, 2024
Filing Date:
July 29, 2022
Export Citation:
Assignee:
DOW GLOBAL TECHNOLOGIES LLC (US)
YU HAIYANG (CN)
LI JINGYA (CN)
HUANG XIN (CN)
YU HAIYANG (CN)
LI JINGYA (CN)
HUANG XIN (CN)
International Classes:
D04H1/00; D04H1/4291; D04H1/43; D04H1/56
Domestic Patent References:
| WO2018126085A1 | 2018-07-05 | |||
| WO2017155850A1 | 2017-09-14 |
Foreign References:
| CN112840074A | 2021-05-25 | |||
| CN101688342A | 2010-03-31 | |||
| CN103161032A | 2013-06-19 | |||
| CN109561795A | 2019-04-02 | |||
| CA2123979A1 | 1993-05-27 |
Attorney, Agent or Firm:
WU, FENG & ZHANG (CN)
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