Title:
OXYPROPYLENE POLYMER CONTAINING REACTIVE SILICON GROUP AND PRODUCTION THEREOF
Document Type and Number:
WIPO Patent Application WO/1991/015536
Kind Code:
A1
Abstract:
A novel oxypropylene polymer containing a reactive silicon group, wherein the main polymer chain essentially comprises the repeating units of formula (alpha), at least one reactive silicon group and at least one urethane bond are present at the terminals of the polymer chain, the ratio of M(Boolean not)w to M(Boolean not)n is 1.5 or less, and the number-average molecular weight is 3,000 or above. The production process comprises reacting an oxypropylene polymer having a ratio of M(Boolean not)w to M(Boolean not)n of 1.5 or less and a number-average molecular weight per unit terminal function of 1,500 or above with a compound having both a reactive silicon group and an isocyanate group.
Inventors:
FUJITA MASAYUKI (JP)
HOMMA MICHIHIDE (JP)
WAKABAYASHI HIROSHI (JP)
HOMMA MICHIHIDE (JP)
WAKABAYASHI HIROSHI (JP)
Application Number:
PCT/JP1991/000461
Publication Date:
October 17, 1991
Filing Date:
April 08, 1991
Export Citation:
Assignee:
KANEGAFUCHI CHEMICAL IND (JP)
International Classes:
C08G65/336; (IPC1-7): C08G65/32
Foreign References:
| JPS61141761A | 1986-06-28 | |||
| JPS6118582B2 | 1986-05-13 | |||
| JPS61197631A | 1986-09-01 |
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