Moisture-curing alkoxysilane-terminated polyurethanes

Details Moisture-curing alkoxysilane-terminated polyurethanes Moisture-curing alkoxysilane-terminated polyurethanes

1995-05-08

1996-09-10

Krass, Frederick

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

528 28, 528 29, 528 30, 528 38, 525452, 525453, 525460, C08G 1810, C08G 1828, C08G 1883

Patent

active

055547095

ABSTRACT:
Described are moisture-curing alkoxysilane-terminated polyurethanes which can be obtained by reacting polyurethane prepolymers with a mean NCO functionality of at least 1 but less than 2 with special sulfur-free alkoxysilanes, reacting with substantially all the free NCO groups. Also described is the use of these compounds as sealing and/or adhesive compositions.

REFERENCES:
patent: 3627722 (1971-12-01), Seiter
patent: 4798878 (1989-01-01), Brinkmann et al.
patent: 4857623 (1989-08-01), Emmerling et al.
Plueddemann, Edwin P.: "Chemistry of Silane Coupling Agents", Plenum Press, New York (1982), pp. 29-45.

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