Claims (21)
1. Vlaknasta ploča proizvedena stlačivanjem vlakna koja sadrže lignocelulozu povezanih vezivom u postupku koji se sastoji u sljedećim koracima:
a) priprave vlaknaste strunjače koja sadrži vezana vlakna koja sadrže lignocelulozu,
b) obrade najmanje jedne od dvije površine vlaknaste strunjače iz koraka a) polimernim monogvanidinskim spojem,
c) stlačivanja površinski obrađene vlaknaste strunjače dobivene u koraku b) u vlaknastu ploču,
naznačena time što
– u području najmanje jedne od dvije površine vlaknaste ploče koncentriran je najmanje jedan polimerni monogvanidinski spoj;
– postoji koncentracijski gradijent polimernog monogvanidinskog spoja između najmanje jedne površine vlaknaste ploče i njezine sredine, a vlaknasta ploča ima područje u svojoj jezgri u kojem je koncentracija polimernog monogvanidinskog spoja manja nego u području površine vlaknaste ploče.1. Fibrous board produced by compressing lignocellulose-containing fibers connected by a binder in a process consisting of the following steps:
a) preparation of fibrous mats containing bonded fibers containing lignocellulose,
b) treating at least one of the two surfaces of the fibrous mat from step a) with a polymeric monoguanidine compound,
c) compressing the surface-treated fiber mat obtained in step b) into a fiber board,
indicated by what
– in the area of at least one of the two surfaces of the fibrous plate, at least one polymeric monoguanidine compound is concentrated;
- there is a concentration gradient of the polymeric monoguanidine compound between at least one surface of the fibrous plate and its middle, and the fibrous plate has an area in its core where the concentration of the polymeric monoguanidine compound is lower than in the area of the surface of the fibrous plate.
2. Vlaknasta ploča u skladu s patentnim zahtjevom 1, naznačena time što se polimerni monogvanidinski spoj bira iz skupine koju čine polimerni monogvanidinski spoj, njegova sol i njihova smjesa.2. Fibrous board according to claim 1, characterized in that the polymeric monoguanidine compound is selected from the group consisting of the polymeric monoguanidine compound, its salt and their mixture.
3. Vlaknasta ploča u skladu s patentnim zahtjevom 1 ili 2, naznačena time što je polimerni monogvanidinski spoj poliheksametilengvanidin (PHMG).3. Fibrous plate according to claim 1 or 2, characterized in that the polymeric monoguanidine compound is polyhexamethyleneguanidine (PHMG).
4. Vlaknasta ploča u skladu s bilo kojim od patentnih zahtjeva 1 do 3, naznačena time što se područje najmanje jedne od dvije površine vlaknaste ploče, u kojem je koncentriran polimerni monogvanidinski spoj, pruža počevši od površine vlaknaste ploče najmanje 0,01, 0,05, 0,1, 0,5, 1, 2, 3 ili 5 mm u unutrašnjost vlaknaste ploče.4. Fibrous plate according to any one of claims 1 to 3, characterized in that the area of at least one of the two surfaces of the fibrous plate, in which the polymer monoguanidine compound is concentrated, extends starting from the surface of the fibrous plate at least 0.01, 0, 05, 0.1, 0.5, 1, 2, 3 or 5 mm into the interior of the fiber board.
5. Vlaknasta ploča u skladu s bilo kojim od patentnih zahtjeva 1 do 4, naznačena time što vlaknasta ploča ima područje u svojoj jezgri koja sadrži manje od 0,3, 0,1, 0,05 ili 0,01%, težinski, u odnosu na suhu masa (atro) materijala koji sadrži lignocelulozu, a osobito po mogućnosti ne sadrži polimerni monogvanidinski spoj u svojoj jezgri.5. Fiberboard according to any one of claims 1 to 4, characterized in that the fiberboard has an area in its core that contains less than 0.3, 0.1, 0.05 or 0.01%, by weight, in in relation to the dry mass (atro) of the material containing lignocellulose, and especially if possible it does not contain a polymeric monoguanidine compound in its core.
6. Vlaknasta ploča u skladu s bilo kojim od patentnih zahtjeva 1 do 5, naznačena time što vlaknasta ploča u području najmanje jedne od dvije površine vlaknaste ploče sadrži polimerni monogvanidinski spoj u površinskoj koncentraciji od 2 do 200 g/m2, po mogućnosti od 4 do 80 g/m2, a osobito po mogućnosti od 6 do 30 g/m2 u odnosu na odgovarajuću površinu vlaknaste ploče.6. Fibrous board according to any one of patent claims 1 to 5, characterized in that the fibrous board in the area of at least one of the two surfaces of the fibrous board contains a polymeric monoguanidine compound in a surface concentration of 2 to 200 g/m2, preferably from 4 to 80 g/m2, and especially preferably from 6 to 30 g/m2 in relation to the corresponding surface of the fiber board.
7. Vlaknasta ploča u skladu s bilo kojim od patentnih zahtjeva 1 do 6, naznačena time što vlaknasta ploča ima volumnu gustoću od 500 do 700 kg/m3, po mogućnosti 550 do 650 kg/m3, a osobito po mogućnosti 580 do 625 kg/m3 i/ili ima debljinu od 6 do 30 mm, po mogućnosti 10 do 22 mm, a osobito po mogućnosti 12 do 20 mm.7. Fiberboard according to any one of claims 1 to 6, characterized in that the fiberboard has a volume density of 500 to 700 kg/m3, preferably 550 to 650 kg/m3, and especially preferably 580 to 625 kg/m3. m3 and/or has a thickness of 6 to 30 mm, preferably 10 to 22 mm, and especially preferably 12 to 20 mm.
8. Vlaknasta ploča u skladu s bilo kojim od patentnih zahtjeva 1 do 7, naznačena time što je vlaknasta ploča DHF, UDF, LDF, MDF ili HDF ploča.8. Fiberboard according to any one of claims 1 to 7, characterized in that the fiberboard is a DHF, UDF, LDF, MDF or HDF board.
9. Vlaknasta ploča u skladu s bilo kojim od patentnih zahtjeva 1 do 8, naznačena time što su vlakna koja sadrže lignocelulozu drvena vlakna.9. Fibrous board according to any one of claims 1 to 8, characterized in that the fibers containing lignocellulose are wood fibers.
10. Postupak proizvodnje vlaknaste ploče u skladu s bilo kojim od patentnih zahtjeva 1 do 9, naznačen time što se sastoji u sljedećim koracima:
a) priprave vlaknaste strunjače koja sadrži vezana vlakna koja sadrže lignocelulozu,
b) obrade najmanje jedne od dvije površine vlaknaste strunjače iz koraka a) polimernim monogvanidinskim spojem,
c) stlačivanja površinski obrađene vlaknaste strunjače dobivene u koraku b) u vlaknastu ploču,
gdje se vlaknastu ploču proizvodi u skladu s bilo kojim od patentnih zahtjeva 1 do 9.10. A process for the production of fiberboard according to any of claims 1 to 9, characterized in that it consists of the following steps:
a) preparation of fibrous mats containing bonded fibers containing lignocellulose,
b) treating at least one of the two surfaces of the fibrous mat from step a) with a polymeric monoguanidine compound,
c) compressing the surface-treated fiber mat obtained in step b) into a fiber board,
wherein the fiberboard is produced in accordance with any of claims 1 to 9.
11. Postupak u skladu s patentnim zahtjevom 10, naznačen time što se polimerni monogvanidinski spoj upotrijebljen u koraku b) upotrebljava u tekućini u koncentraciji od 10 do 85%, težinski, po mogućnosti od 20 do 70%, težinski, a osobito po mogućnosti od 25 do 55%, težinski, u odnosu na ukupnu težinu tekućine.11. The method according to patent claim 10, characterized in that the polymeric monoguanidine compound used in step b) is used in a liquid in a concentration of 10 to 85% by weight, preferably from 20 to 70% by weight, and especially preferably from 25 to 55%, by weight, in relation to the total weight of the liquid.
12. Postupak u skladu s bilo kojim od patentnih zahtjeva 10 i 11, naznačen time što je količina monogvanidinskog spoja upotrijebljena u obradi u koraku b) 2 do 200 g/m2, po mogućnosti 4 do 80 g/m2, a osobito po mogućnosti 6 do 30 g/m2 u odnosu na površinu vlaknaste ploče obrađenu u koraku b).12. The method according to any one of patent claims 10 and 11, characterized in that the amount of monoguanidine compound used in the processing in step b) is 2 to 200 g/m2, preferably 4 to 80 g/m2, and especially preferably 6 up to 30 g/m2 in relation to the fiberboard surface treated in step b).
13. Postupak u skladu s bilo kojim od patentnih zahtjeva 10 do 12, naznačen time što se obradu u koraku b) provodi prskanjem polimernog monogvanidinskog spoja ili tekućine koja sadrži polimerni monogvanidinski spoj.13. The method according to any one of patent claims 10 to 12, characterized in that the treatment in step b) is carried out by spraying a polymeric monoguanidine compound or a liquid containing a polymeric monoguanidine compound.
14. Postupak u skladu s bilo kojim od patentnih zahtjeva 10 do 13, naznačen time što je vrijeme između obrade polimernim monogvanidinskim spojem u koraku b) i stlačivanja u koraku c) 1 do 40 sekundi, po mogućnosti 2 do 30 sekundi, a osobito po mogućnosti 2 do 20 sekundi.14. The method according to any one of patent claims 10 to 13, characterized in that the time between treatment with a polymeric monoguanidine compound in step b) and compression in step c) is 1 to 40 seconds, preferably 2 to 30 seconds, and especially options 2 to 20 seconds.
15. Postupak u skladu s bilo kojim od patentnih zahtjeva 10 do 14, naznačen time što su vezana vlakna koja sadrže lignocelulozu osigurana u koraku a) vezana vezivom na bazi izocijanata, osobito vezivom na bazi PMDI.15. The method according to any one of patent claims 10 to 14, characterized in that the bound fibers containing lignocellulose provided in step a) are bound with an isocyanate-based binder, especially a PMDI-based binder.
16. Postupak u skladu s bilo kojim od patentnih zahtjeva 10 do 15, naznačen time što se u koraku b) obrađuje obje površine vlaknaste strunjače.16. The method according to any one of patent claims 10 to 15, characterized in that in step b) both surfaces of the fiber mat are processed.
17. Postupak u skladu s bilo kojim od patentnih zahtjeva 10 do 16, naznačen time što se stlačivanje u koraku c) provodi na temperaturi od 150 °C do 250 °C, po mogućnosti od 160 °C do 240 °C, osobito po mogućnosti od 180 °C do 230 °C i/ili uz faktor stlačivanja od 2 do 15 s/mm, po mogućnosti 2 do 12 s/mm, a osobito po mogućnosti 4 do 12 s/mm.17. The process according to any one of patent claims 10 to 16, characterized in that the compression in step c) is carried out at a temperature of 150 °C to 250 °C, preferably from 160 °C to 240 °C, particularly preferably from 180 °C to 230 °C and/or with a compression factor of 2 to 15 s/mm, preferably 2 to 12 s/mm, and especially preferably 4 to 12 s/mm.
18. Krovna ili zidna komponenta, naznačena time što sadrži ili se sastoji od vlaknaste ploče u skladu s bilo kojim od patentnih zahtjeva 1 do 9.18. A roof or wall component, characterized in that it contains or consists of a fiber board in accordance with any of claims 1 to 9.
19. Krovna ili zidna komponenta u skladu s patentnim zahtjevom 18, gdje je vlaknasta ploča DHF ploča s dvije različite površine, naznačena time što je u površini DHF ploče koja leži s unutrašnje strane u odnosu na konstrukciju kuće, koncentriran najmanje jedan polimerni monogvanidinski spoj u području najmanje jedne od dvije površine DHF ploče.19. Roof or wall component in accordance with patent claim 18, where the fiber board is a DHF board with two different surfaces, characterized by the fact that in the surface of the DHF board that lies on the inside in relation to the house structure, at least one polymer monoguanidine compound is concentrated in area of at least one of the two surfaces of the DHF board.
20. Upotreba polimernog monogvanidinskog spoja u proizvodnji vlaknastih ploča, naznačena time što je navedeni spoj namijenjen povećavanju otpornosti vlaknaste ploče u skladu s bilo kojim od patentnih zahtjeva 1 do 9 na gljivičnu infestaciju.20. Use of a polymeric monoguanidine compound in the production of fiber boards, characterized in that said compound is intended to increase the resistance of the fiber board in accordance with any of patent claims 1 to 9 to fungal infestation.
21. Upotreba polimernog monogvanidinskog spoja u skladu s patentnim zahtjevom 20, naznačena time što se polimerni monogvanidinski spoj upotrebljava u obradi površine vlaknaste strunjače u proizvodnji vlaknastih ploča radi povećavanja otpornosti vlaknaste ploče na gljivičnu infestaciju.21. The use of a polymeric monoguanidine compound in accordance with patent claim 20, characterized in that the polymeric monoguanidine compound is used in the surface treatment of the fiber mat in the production of fiber boards in order to increase the resistance of the fiber board to fungal infestation.