Title:
YELLOWING RESISTANT PSA
Document Type and Number:
WIPO Patent Application WO/2020/093313
Kind Code:
A1
Abstract:
Provided herein is a pressure sensitive adhesive (PSA) comprising a polycrylate base polymer, a crosslinker and a fluorescer. The crosslinker does not comprise a metal acetylacetonate, a metal alkoxide, or an alkoxy-metal acetylacetonate, and the fluorescer comprises less than 0.1 wt. %metal oxide based on the solid weight of the adhesive. The adhesive is resistant to yellowing under adverse conditions such as high temperature treatment and/or exposure to UV.
Inventors:
YANG YURUN (US)
SHEN BIAO (US)
SHEN BIAO (US)
Application Number:
PCT/CN2018/114589
Publication Date:
May 14, 2020
Filing Date:
November 08, 2018
Export Citation:
Assignee:
AVERY DENNISON CORP (US)
International Classes:
C09J133/04; C08F220/06
Foreign References:
| US5391414A | 1995-02-21 | |||
| US20140113070A1 | 2014-04-24 | |||
| US20090068459A1 | 2009-03-12 | |||
| JP2001098250A | 2001-04-10 | |||
| US20140113070A1 | 2014-04-24 | |||
| US20150041042A1 | 2015-02-12 | |||
| US20060234040A1 | 2006-10-19 | |||
| US20090068459A1 | 2009-03-12 | |||
| US6153288A | 2000-11-28 |
Other References:
no. 7128-64-5
See also references of EP 3877479A4
See also references of EP 3877479A4
Attorney, Agent or Firm:
ZHONGZI LAW OFFICE (CN)
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