JPS57139165A - One-pack urethane sealant - Google Patents
One-pack urethane sealantInfo
- Publication number
- JPS57139165A JPS57139165A JP2648881A JP2648881A JPS57139165A JP S57139165 A JPS57139165 A JP S57139165A JP 2648881 A JP2648881 A JP 2648881A JP 2648881 A JP2648881 A JP 2648881A JP S57139165 A JPS57139165 A JP S57139165A
- Authority
- JP
- Japan
- Prior art keywords
- polyol
- polymerized
- compd
- sealant
- prepd
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Sealing Material Composition (AREA)
Abstract
PURPOSE: The titled sealant with good processability, a large curing rate and excellent weatherability and adhesion, prepd. by the reaction of a polymerized polyol on which a specified proportion of styrene and acrylonitrile is grafted with isophorone diisocyanate.
CONSTITUTION: A vinyl compd. contg. styrene and acrylonitrile in a wt. ratio of 0.5W1.5 is graft polymerized with a polyether polyol or polyester polyol to obtain a polymerized polyol of MW about 2,000W10,000 having 2W3 functional groups. A polyol component of vinyl compd. content 5W25wt% prepd, if necessary, compounding said polymerized polyol with a polyether polyol or a compd. of MW≤1,000 contg. at least two amino groups and/or OH groups, is reacted with isophorone diisocyanate to obtain a prepolymer of NCO/OH eq. ratio 1.5W3 and NCO content 2W6%, which is arbitrarily compounded with diphenylmethane diisocyanate, to obtain a one-pack urethane sealant.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2648881A JPS57139165A (en) | 1981-02-24 | 1981-02-24 | One-pack urethane sealant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2648881A JPS57139165A (en) | 1981-02-24 | 1981-02-24 | One-pack urethane sealant |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57139165A true JPS57139165A (en) | 1982-08-27 |
Family
ID=12194881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2648881A Pending JPS57139165A (en) | 1981-02-24 | 1981-02-24 | One-pack urethane sealant |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57139165A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61136512A (en) * | 1984-12-07 | 1986-06-24 | Yokohama Rubber Co Ltd:The | Polyurethane prepolymer composition |
-
1981
- 1981-02-24 JP JP2648881A patent/JPS57139165A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61136512A (en) * | 1984-12-07 | 1986-06-24 | Yokohama Rubber Co Ltd:The | Polyurethane prepolymer composition |
JPH0461888B2 (en) * | 1984-12-07 | 1992-10-02 | Yokohama Rubber Co Ltd |
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