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1. (WO2020000117) LOW-FORMALDEHYDE-EMITTING UREA-FORMALDEHYDE ADHESIVE USEFUL FOR THE MANUFACTURE OF WOODEN BOARDS, COMPRISING CELLULOSE NANOFIBRES AND COPPER NANOPARTICLES; METHOD FOR MANUFACTURING SAME
Latest bibliographic data on file with the International BureauSubmit observation

Pub. No.: WO/2020/000117 International Application No.: PCT/CL2019/050047
Publication Date: 02.01.2020 International Filing Date: 13.06.2019
IPC:
A01N 25/00 (2006.01) ,B27K 3/00 (2006.01) ,C08J 5/12 (2006.01) ,C09J 11/00 (2006.01) ,C09J 11/06 (2006.01)
A HUMAN NECESSITIES
01
AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
N
PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
25
Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
B PERFORMING OPERATIONS; TRANSPORTING
27
WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
K
PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING OR BLEACHING OF WOOD, OR FOR TREATING OF WOOD WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
3
Impregnating wood, e.g. for protection 
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
J
WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H142
5
Manufacture of articles or shaped materials containing macromolecular substances
12
Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives
C CHEMISTRY; METALLURGY
09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
J
ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
11
Features of adhesives not provided for in group C09J9/76
C CHEMISTRY; METALLURGY
09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
J
ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
11
Features of adhesives not provided for in group C09J9/76
02
Non-macromolecular additives
06
organic
Applicants:
UNIVERSIDAD DEL BIO BIO [CL/CL]; AVENIDA COLLAO #1202 CONCEPCIÓN, CL
Inventors:
GACITÚA ESCOBAR, William Arnoldo; CL
Agent:
ESTUDIO FEDERICO VILLASECA Y CÍA; ALONSO DE CORDOVA 5151, PISO 8, LAS CONDES SANTIAGO, CL
Priority Data:
1738-201825.06.2018CL
Title (EN) LOW-FORMALDEHYDE-EMITTING UREA-FORMALDEHYDE ADHESIVE USEFUL FOR THE MANUFACTURE OF WOODEN BOARDS, COMPRISING CELLULOSE NANOFIBRES AND COPPER NANOPARTICLES; METHOD FOR MANUFACTURING SAME
(ES) UN ADHESIVO UREA-FORMALDEHÍDO DE BAJA EMISIÓN DE FORMALDEHÍDO, ÚTIL PARA LA FABRICACIÓN DE TABLEROS DE MADERA, QUE COMPRENDE NANOFIBRAS DE CELULOSA Y NANOPARTÍCULAS DE COBRE; PROCESO PARA OBTENCIÓN DEL MISMO
(FR) ADHÉSIF À L'URÉE-FORMALDÉHYDE À FAIBLE ÉMISSION DE FORMALDÉHYDE, UTILE POUR LA FABRICATION DE PANNEAUX EN BOIS, COMPRENANT DES NANOFIBRES DE CELLULOSE ET DES NANOPARTICULES DE CUIVRE; PROCÉDÉ D'OBTENTION DE CELUI-CI
Abstract:
(EN) A low-formaldehyde-emitting urea-formaldehyde adhesive, with enhanced mechanical properties and high durability, useful for the manufacture of wooden boards, comprising: (a) urea (U) and formaldehyde (F), in F/U molar ratios of 0.9 to 1.2; (b) 1.3-1.7% w/w cellulose nanofibres (CNFs) with a width of between 46 and 60 nm; and (c) 0.4-0.6% w/w copper nanoparticles with a diameter of between 30 and 100 nm. The invention also relates to the method for producing the adhesive.
(ES) Un adhesivo Urea-formaldehído de baja emisión de formaldehído, con propiedades mecánicas superiores y alta durabilidad, útil para la fabricación de tableros de madera, que comprende: (a) Urea (U) y Formaldehído (F) en razones molares F/U de 0,9 a 1,2; (b) 1,3 – 1,7 % p/p de nanofibrilas de celulosa (NFC) con un ancho entre 45 – 60 nm; y (c) 0,4 – 0,6 % p/p de nanopartículas de cobre con tamaño entre 30 a 100 nm. Además, de su proceso de elaboración.
(FR) La présente invention concerne un adhésif à l'urée-formaldéhyde à faible émission de formaldéhyde présentant des propriétés mécaniques supérieures et une haute durabilité, utile pour la fabrication de panneaux en bois, qui comprend: (a) de l'urée (U) et du formaldéhyde (F) suivant des rapports molaires F/U de 0,9 à 1,2; (b) de 1,3 à 1,7 % p/p de nanofibrilles de cellulose (NFC) avec une largeur de 45 à 60 nm; et (c) de 0,4 à 0,6 % p/p de nanoparticules de cuivre avec une taille comprise entre 30 et 10 nm. L'invention concerne également le procédé d'élaboration dudit adhésif.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Spanish (ES)
Filing Language: Spanish (ES)