JPS57151670A - Water-swelling sealing material - Google Patents

Water-swelling sealing material

Info

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
Application number
JP3732581A
Other languages
Japanese (ja)
Inventor
Toshikazu Shinogatani
Takahiro Kawagoe
Koichi Irako
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bridgestone Corp
Original Assignee
Bridgestone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bridgestone Corp filed Critical Bridgestone Corp
Priority to JP3732581A priority Critical patent/JPS57151670A/en
Publication of JPS57151670A publication Critical patent/JPS57151670A/en
Pending legal-status Critical Current

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
JP3732581A 1981-03-17 1981-03-17 Water-swelling sealing material Pending JPS57151670A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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