Title:
POLYURETHANE STRUCTURAL ADHESIVE
Document Type and Number:
WIPO Patent Application WO/2021/085435
Kind Code:
A1
Abstract:
This polyurethane structural adhesive contains: a polyisocyanate component that includes a urethane prepolymer having isocyanate groups at the molecular terminals, and that includes a xylylene diisocyanate derivative; and a polyol component that includes a macropolyol having a number-average molecular weight of 500 to 10,000 and 1.9 to 4.0 hydroxyl groups on average.
Inventors:
YAMAMOTO NAOMI (JP)
CHIKAMOTO TAKUYA (JP)
MORITA HIROFUMI (JP)
CHIKAMOTO TAKUYA (JP)
MORITA HIROFUMI (JP)
Application Number:
PCT/JP2020/040315
Publication Date:
May 06, 2021
Filing Date:
October 27, 2020
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
C09J11/06; C09J175/04; C09J175/08
Domestic Patent References:
| WO2017142008A1 | 2017-08-24 | |||
| WO2016080508A1 | 2016-05-26 |
Foreign References:
| JPS6469342A | 1989-03-15 | |||
| JP2006096912A | 2006-04-13 | |||
| JP2004518791A | 2004-06-24 | |||
| JPH0873831A | 1996-03-19 | |||
| JP2010031105A | 2010-02-12 | |||
| JP2015067663A | 2015-04-13 | |||
| JP2019059821A | 2019-04-18 | |||
| JP2010254764A | 2010-11-11 |
Other References:
R. F. FEDORS: "A method for Estimating Both the Solubility Parameters and Molar Volumes of Liquids", POLYMER ENGINEERING AND SCIENCE, vol. 14, no. 2, February 1974 (1974-02-01), pages 147 - 152, XP008069569, DOI: 10.1002/pen.760140211
See also references of EP 4053237A4
See also references of EP 4053237A4
Attorney, Agent or Firm:
OKAMOTO, Hiroyuki et al. (JP)
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