JPS54138058A - One-pack type elastic sealant - Google Patents

One-pack type elastic sealant

Info

Publication number
JPS54138058A
JPS54138058A JP4687778A JP4687778A JPS54138058A JP S54138058 A JPS54138058 A JP S54138058A JP 4687778 A JP4687778 A JP 4687778A JP 4687778 A JP4687778 A JP 4687778A JP S54138058 A JPS54138058 A JP S54138058A
Authority
JP
Japan
Prior art keywords
isocyanate
acrylic
parts
elastomer
group
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.)
Granted
Application number
JP4687778A
Other languages
Japanese (ja)
Other versions
JPS5748023B2 (en
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 JP4687778A priority Critical patent/JPS54138058A/en
Publication of JPS54138058A publication Critical patent/JPS54138058A/en
Publication of JPS5748023B2 publication Critical patent/JPS5748023B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To prepare the title sealant which does not contain a constituent to be evaporated, e.g. water, solvent, etc., by dehydrating an acrylic isocyanate elastomer having free isocyanate group and prepared by a specific process.
CONSTITUTION: An acrylic isocyanate elastomer having free isocyanate group is prepared by reacting (A) an acrylic low-molecular copolymer (containing 1.8W2.5 functional groups reactive with isocyanate group, in a molecule in average, and having a molecular weight of 1,500 - 80,000) obtained by reacting (a) 1 mole of an unsaturated monomer having a functional group reactive with isocyanate group with 5W500 moles of an unsaturated monomer of formula (R1 is H, CH3; R2 is 2W14C alkyl), in the presence of a polymerization initiator and a chain transfer agent, with (B) about 2 times equivalent of the above functional group, of an organic isocyanate. The objective one-pack type elastic sealant is obtained by mixing 100 parts by weight of the acrylic isocyanate elastomer with 0.1W15 parts of a reaction accelerating solvent and 30W200 parts of a filler, and dehydrating the mixture.
COPYRIGHT: (C)1979,JPO&Japio
JP4687778A 1978-04-19 1978-04-19 One-pack type elastic sealant Granted JPS54138058A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4687778A JPS54138058A (en) 1978-04-19 1978-04-19 One-pack type elastic sealant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4687778A JPS54138058A (en) 1978-04-19 1978-04-19 One-pack type elastic sealant

Publications (2)

Publication Number Publication Date
JPS54138058A true JPS54138058A (en) 1979-10-26
JPS5748023B2 JPS5748023B2 (en) 1982-10-13

Family

ID=12759573

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4687778A Granted JPS54138058A (en) 1978-04-19 1978-04-19 One-pack type elastic sealant

Country Status (1)

Country Link
JP (1) JPS54138058A (en)

Also Published As

Publication number Publication date
JPS5748023B2 (en) 1982-10-13

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