C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
402/139, 400/742
C07D 401/14 (2006.01) C07D 205/08 (2006.01) C07D 211/26 (2006.01) C07D 295/03 (2006.01) C07D 403/14 (2006.01) C08G 18/08 (2006.01) C08G 18/10 (2006.01) C08G 18/12 (2006.01) C08G 18/67 (2006.01) C08G 18/78 (2006.01) C08G 18/80 (2006.01)
Patent
CA 1310644
A B S T R A C T This invention relates to .beta.-amino-.beta.-propiolactam derivativatives, moisture curable polyurethane compositions and their applications. The products of this invention have excellent characteristics such as good storage stability, rapid curing with atmospheric moisture and freedom from foaming. More particularly, condensed compounds are obtained by reacting specific secondary diamines such as piperazine and 1,3-(4,4'-dipiperidyl)propane with monoaldehyde having at least 3 carbon atoms, for example, isobutylaldehyde and 2-phenylpropylaldehyde. The .beta.-amino-.beta.-propiolactam derivatives are prepared by reacting the condensed compounds with monoisocyanate such as phenyl isocyanate and equimolar reaction products of diisocyanate with lower monohydric alcohol. In addition, the moisture curable polyurethane compositions contain said derivatives and polyisocyanate and/or polyurethane prepolymer having terminal isocyanato radicals. Moisture curable sealing materials, wall covering materials and water proof materials are provided by the addition of various auxiliary agents to said compositions according to the field of application.
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Aoki Masaaki
Asai Kiyotsugu
Kamiyama Masayuki
Tani Mayumi
Aoki Masaaki
Asai Kiyotsugu
Fetherstonhaugh & Co.
Kamiyama Masayuki
Mitsui Toatsu Chemicals Inc.
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