JPS57151670A - Water-swelling sealing material - Google Patents
Water-swelling sealing materialInfo
- Publication number
- JPS57151670A JPS57151670A JP3732581A JP3732581A JPS57151670A JP S57151670 A JPS57151670 A JP S57151670A JP 3732581 A JP3732581 A JP 3732581A JP 3732581 A JP3732581 A JP 3732581A JP S57151670 A JPS57151670 A JP S57151670A
- Authority
- JP
- Japan
- Prior art keywords
- sealing material
- water
- plasticizer
- styrene
- block copolymer
- 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
Abstract
PURPOSE: To obtain a water-swelling sealing material having balanced plasticity, restorability and water-swelling property, and suitable for applying to the joint part of concrete structure, etc., by mixing specific amounts of a thermoplastic rubber, white carbon, and a plasticizer.
CONSTITUTION: The objective sealing material is prepared by compounding (A) 100pt.wt. of a thermoplastic rubber (preferably a styrene-butadiene block copolymer, a styrene-isoprene block copolymer, or their hydrogenated products) with (B) 70W300pt. of white carbon (preferably silicic anhydride or hydrous silicic acid), and (C) 30W200pt. of a plasticizer (preferably paraffin oil, aromatic oil, etc.) as essential components, and preferably (D) 10W150pt. of a tackifier (e.g. aromatic or aliphatic petroleum hydrocarbon resin, etc.). The amount of the component (B) in the sealing material is 20W50wt%.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3732581A JPS57151670A (en) | 1981-03-17 | 1981-03-17 | Water-swelling sealing material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3732581A JPS57151670A (en) | 1981-03-17 | 1981-03-17 | Water-swelling sealing material |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57151670A true JPS57151670A (en) | 1982-09-18 |
Family
ID=12494493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3732581A Pending JPS57151670A (en) | 1981-03-17 | 1981-03-17 | Water-swelling sealing material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57151670A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60155284A (en) * | 1984-12-19 | 1985-08-15 | Bridgestone Corp | Sealing material for panel cistern |
JPS60197784A (en) * | 1984-03-19 | 1985-10-07 | Sumitomo Chem Co Ltd | Water-swellable composition and water-stopping molding made thereof |
-
1981
- 1981-03-17 JP JP3732581A patent/JPS57151670A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60197784A (en) * | 1984-03-19 | 1985-10-07 | Sumitomo Chem Co Ltd | Water-swellable composition and water-stopping molding made thereof |
JPS60155284A (en) * | 1984-12-19 | 1985-08-15 | Bridgestone Corp | Sealing material for panel cistern |
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