1. A wood adhesive composition obtained by simultaneous mixing at least one isocyanate, at least one polyether and at least one amino resin, wherein said polyether comprises at least one ethylene oxide moiety and at least one isocyanate reactive group selected from the group comprising hydroxyl, amino, epoxy, and thiol, and wherein said amino resin is the condensation product of an aldehyde with a compound selected from the group comprising urea, melamine, benzoguanamine, glycoluril, acetoguanamine and mixtures thereof.
2. The composition according to claim 1, wherein said amino resin is the condensation product of a compound as defined in claim 1 with an aldehyde selected from the group comprising formaldehyde, acetaldehyde, crotonaldehyde, acrolein, benzaldehyde, and furfural.
3. The composition according to claim 1, wherein the composition has an ethylene oxide content of at least 1% by weight based on 100% by weight of the at least one isocyanate and the at least one polyether combined.
4. The composition according to claim 1, wherein the at least one polyether comprises the reaction product obtained by the polymerization of ethylene oxide or the reaction product obtained by the copolymerisation of ethylene oxide with at least one other cyclic oxide, in the presence of at least one polyfunctional initiator selected from the group comprising ethylene glycol, propylene glycol, diethylene glycol, dipropylene glycol, cyclohexane dimethanol, resorcinol, bisphenol A, glycerol, trimethylolopropane, 1,2,6-hexantriol, pentaerythritol and mixtures thereof.
5. The composition according to claim 1, wherein the at least one polyether has a weight average molecular weight ranging from 62 to 40000.
6. The composition according to claim 1, wherein the at least one isocyanate is selected from the group comprising hexamethylene diisocyanate, m- and p-phenylene diisocyanate, tolylene-2,4- and tolylene-2,6-diisocyanate, diphenylmethane diisocyanate in the form of its 2,4\u2032-, 2,2\u2032- and 4,4\u2032-isomers and mixtures thereof, the mixtures of diphenylinethane diisocyanates and oligomers thereof, chlorophenylene-2,4-diisocyanate, naphthylene-1,5-diisocyanate, diphenylene-4,4\u2032-diisocyanate, 4,4\u2032-diisocyanate-3,3\u2032-dimethyl-diphenyl, 3-methyl-diphenylmethane-4,4\u2032-diisocyanate, diphenyl ether diisocyanate, cyclohexane-2,4- and -2,3-diisocyanate, 1-methylcyclohexyl-2,4- and -2,6-diisocyanate, bis-(isocyana-tocyclohexyl)methane, 2,4,6-triisocyanatotoluene, 2,4,4-triisocyanatodiphenylether, isophorone diisocyanate, butylene diisocyanate, trimethylhexamethylene diisocyanate, isocyanatomethyl-1,8-octane diisocyanate, tetramethylxylene diisocyanate, 1,4-cyclohexanediisocyanate, tolidine diisocyanate, and mixtures thereof.
7. The composition according to claim 1, wherein the at least one amino resin is present in an amount of at least 30% by weight based on 100% by weight of the total composition.
8. The composition according to claim 1, wherein the at least one isocyanate is present in an amount of at least 0.5% by weight based on 100% by weight of the total composition.
9. The composition according to claim 1, wherein the at least one polyether is present in an amount of at least 0.01% by weight based on 100% by weight of the total composition.
10. The composition according to claim 1, wherein the composition comprises at least one additive selected from the group comprising a hardener, a surfactant, a release agent, a wax, and a pigment.
11. (canceled)
12. (canceled)
13. (canceled)
14. A method for preparing a composition according to claim 1, comprising the step of mixing at least one amino resin, at least one polyether and at least one isocyanate as described in claim 1, thereby obtaining a composition according to claim 1.
15. A composition according to claim 4, wherein the one other cyclic oxide is propylene oxide.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A combined cycle power generating plant, comprising:
a gas turbine power generating section that is provided with a gas turbine;
a steam turbine power generating section that is provided with a steam turbine;
a boiler that supplies steam to the gas turbine and the steam turbine;
a steam supplying section that supplies steam to the gas turbine;
a first steam pipe that directs steam from the steam supplying section to the gas turbine;
a second steam pipe that directs steam from the gas turbine to the steam turbine;
a first release section that carries out control such that the supply destination of the steam that is directed to the first steam pipe is to one of either the gas turbine or an outside of the combined cycle power generating plant;
a second release section that carries out control such that the supply destination of the steam that is directed to the second steam pipe is to one of either the steam turbine or an outside of the combined cycle power generating plant; and
a bypass pipe that directs at least a portion of the steam inside the first steam pipe to the second steam pipe between the gas turbine and the second release section,
wherein the first release section carries out control such that the supply destination of the steam that is directed to the first steam pipe is to the outside of the combined cycle power generating plant when the combined cycle power generating plant starts up, and
wherein the second release section carries out control such that the supply destination of the steam that is directed from the first steam pipe to the second steam pipe via the bypass pipe is to the outside of the combined cycle power generating plant when the combined cycle power generating plant starts up.
2. The combined cycle power generating plant according to claim 1, wherein the bypass pipe directs steam from the first steam pipe between the steam supplying section and the first release section.
3. The combined cycle power generating plant according to claim 2, wherein a separating section that separates steam and condensed water is provided on the bypass pipe.
4. The combined cycle power generating plant according to claim 1, wherein the bypass pipe directs steam that has been released to the outside of the first steam pipe by the first release section to the second steam pipe.
5. The combined cycle power generating plant according to claim 4, wherein a separating section that separates steam and condensed water is provided on the bypass pipe.
6. The combined cycle power generating plant according to claim 1, further comprising:
a condenser that is provided on the steam turbine power generating section and into which steam that has driven the steam turbine is channeled; and
a third release section that carries out control such that the supply destination of steam that is directed to the second steam pipe is to one of either the steam turbine or the condenser.
7. The combined cycle power generating plant according to claim 1, further comprising:
a first control section that controls the channeling of steam from the first steam pipe into the gas turbine;
a second control section that controls the channeling of steam out of the gas turbine into the second steam pipe; and
a fluid supply section that introduces a fluid that cools the gas turbine to the first steam pipe between the first control section and the gas turbine.
8. The combined cycle power generating plant according to claim 1, wherein the boiler is a heat recovery steam generator that generates steam by using the exhaust heat of the gas turbine power generating section.
9. The combined cycle power generating plant according to claim 1, wherein the steam supplying section is another boiler.
10. The combined cycle power generating plant according to claim 1, wherein the steam supplying section is an auxiliary boiler.
11. The combined cycle power generating plant according to claim 1, wherein the steam supplying section is another heat recovery steam generator that generates steam by using the exhaust heat of a separate gas turbine power generating section.