Title:
POLYOXYALKYLENE POLYMER MIXTURE AND CURABLE COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2021/200342
Kind Code:
A1
Abstract:
A mixture of polymers (A) and (B) each having a polyoxyalkylene main-chain structure and a terminal structure bonded to a terminal end of the main-chain structure. The terminal structure has a hydrolyzable silyl group and a terminal olefin group and/or internal olefin group, the average number of the terminal structure per molecule of the polymer (A) is 1.5 or greater (or the number thereof is 2 or greater), and the average number of the terminal structure per molecule of the polymer (B) is 1.2 or less (or the number thereof is 1). The total number of hydrolyzable silyl groups, terminal olefin groups, and internal olefin groups in each of the polymers (A) and (B) averages more than 1.0 per terminal structure. In the mixture overall, the ration of hydrolyzable silyl groups with respect to the total of hydrolyzable silyl groups, terminal olefin groups, and internal olefin groups is 40-75%.
Inventors:
SATO AKINORI
Application Number:
PCT/JP2021/011754
Publication Date:
October 07, 2021
Filing Date:
March 22, 2021
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
C08L71/00; C08G65/336
Domestic Patent References:
| WO2013180203A1 | 2013-12-05 |
Foreign References:
| JP2017039782A | 2017-02-23 | |||
| JP2019196477A | 2019-11-14 | |||
| JP2019182885A | 2019-10-24 | |||
| JP2019156883A | 2019-09-19 | |||
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| JPS59122541A | 1984-07-16 | |||
| JPS63112642A | 1988-05-17 | |||
| JPH06172631A | 1994-06-21 | |||
| JPH11116763A | 1999-04-27 | |||
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| JPS60228516A | 1985-11-13 | |||
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Attorney, Agent or Firm:
ARCO PATENT & TRADEMARK ATTORNEYS (JP)
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