JPS5518456A - Elastic sealant - Google Patents

Elastic sealant

Info

Publication number
JPS5518456A
JPS5518456A JP9183178A JP9183178A JPS5518456A JP S5518456 A JPS5518456 A JP S5518456A JP 9183178 A JP9183178 A JP 9183178A JP 9183178 A JP9183178 A JP 9183178A JP S5518456 A JPS5518456 A JP S5518456A
Authority
JP
Japan
Prior art keywords
parts
molecular weight
unsaturated monomer
filler
catalyst
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
JP9183178A
Other languages
Japanese (ja)
Inventor
Takanobu Tomomoto
Kihachi Suzuki
Shinichi Oda
Toshimitsu Okuno
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.)
Nitto Denko Corp
Original Assignee
Nitto Electric Industrial Co Ltd
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 Nitto Electric Industrial Co Ltd filed Critical Nitto Electric Industrial Co Ltd
Priority to JP9183178A priority Critical patent/JPS5518456A/en
Publication of JPS5518456A publication Critical patent/JPS5518456A/en
Pending legal-status Critical Current

Links

Landscapes

  • Sealing Material Composition (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

PURPOSE: To provide an elastic sealant of high modulus and high strength, comprising a specific low molecular weight copolymer, a polyfunctional compound, a filler, and a catalyst.
CONSTITUTION: The objective sealant can be obtained by incorporating (A) 100 parts by wt. of a low molecular weight copolymer of a molecular weight of 2,000W 80,000, having an average of 1.7W10 functional groups in one molecule, prepared by copolymerization, in the presence of an initiator and a chain transfer agent, between (a) an unsaturated monomer having functional group(s) such as carboxyl, hydroxyl group, etc., (b) a second unsaturated monomer of formula (R1 is H or methyl; R2 is 2W14C alkyl), and (c) a third unsaturated monomer copolymerizable with (a) and (b), with (B) 0.3W60 parts by wt. of a polyfunctional compound selected from isocyanates, epoxy compounds, etc., (C) 30W200 parts by wt. of a filler such as CaCO3, talc, etc., and (D) 0.01W5 parts by wt. of a catalyst such as dibutyltin dilaurate, triethylene diamine, etc.
COPYRIGHT: (C)1980,JPO&Japio
JP9183178A 1978-07-26 1978-07-26 Elastic sealant Pending JPS5518456A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9183178A JPS5518456A (en) 1978-07-26 1978-07-26 Elastic sealant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9183178A JPS5518456A (en) 1978-07-26 1978-07-26 Elastic sealant

Publications (1)

Publication Number Publication Date
JPS5518456A true JPS5518456A (en) 1980-02-08

Family

ID=14037539

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9183178A Pending JPS5518456A (en) 1978-07-26 1978-07-26 Elastic sealant

Country Status (1)

Country Link
JP (1) JPS5518456A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5958076A (en) * 1982-09-29 1984-04-03 Nitto Electric Ind Co Ltd Application of waterproofing sheet using elastic sealant
JPS60186509A (en) * 1984-03-07 1985-09-24 Uchiyama Mfg Corp Acrylic rubber composition for sealing material

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51144481A (en) * 1975-06-06 1976-12-11 Nitto Electric Ind Co Ltd Preparing low molecular weight copolymers

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51144481A (en) * 1975-06-06 1976-12-11 Nitto Electric Ind Co Ltd Preparing low molecular weight copolymers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5958076A (en) * 1982-09-29 1984-04-03 Nitto Electric Ind Co Ltd Application of waterproofing sheet using elastic sealant
JPS60186509A (en) * 1984-03-07 1985-09-24 Uchiyama Mfg Corp Acrylic rubber composition for sealing material

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