公开(公告)号：NO20075188L

公开(公告)日：2007-12-28

申请号：NO20075188

申请日：2007-10-11

Applicant: BASF AG

Inventor： KRAUSE ANDREAS ,  MILITZ HOLGER ,  MAI CARSTEN ,  KINGMA AREND JOUKE ,  FECHTENKOTTER ANDREAS ,  KASEL WOLFGANG

IPC: B27K3/15

Abstract: (EN) The invention relates to a method for waterproofing lignocellulosic materials by impregnating the lignocellulosic material with a waterproofing agent, whereby the lignocellulosic material is impregnated with a hardenable aqueous composition before or during waterproofing, said composition containing at least one cross-linkable compound, selected from a) low-molecular weight compounds V, having at least two N-bonded groups of formula CH 2 OH, wherein R=hydrogen or C 1 -C 4 alkyl, and/or one 1,2-bis-hydroxyethan-1,2-diyl group, bridging two nitrogen atoms, beta) precondensates of the compound V and & gammad;) reaction products or mixtures of the compound V with at least one alcohol, selected from C 1 -C 6 alkanols, C 2 -C 6 polyols and oligo-C 2 -C 4 -alkylene glycols.

公开(公告)号：NO20074255L

公开(公告)日：2007-11-30

申请号：NO20074255

申请日：2007-08-21

Applicant: BASF AG

Inventor： KRAUSE ANDREAS ,  MILITZ HOLGER ,  KINGMA AREND JOUKE ,  WEINGART FRANZ ,  WEPNER FALKO

IPC: B27K3/15

Abstract: The present invention relates to a process for the production of wood-base materials which have at least one thin veneer layer adhesively bonded over the surface to a substrate or to further veneer layers, which process comprises the following steps: i. impregnation of a veneer with an aqueous curable composition which comprises a) at least one curable urea compound selected from urea compounds H which have at least one N-bonded group of the formula CH2OR, where R is hydrogen or C1-C4-alkyl, and/or a 1,2-bishydroxyethane-1,2-diyl group bridging the two nitrogen atoms of the urea, precondensates of the urea compound H, and reaction products or mixtures of the urea compound H with at least one alcohol which is selected from C1-C6-alkanols, C2-C6-polyols and oligoethylene glycols, and b) at least one catalyst K effecting crosslinking of the urea compound; ii) gluing of the impregnated veneer and/or the substrate with a glue composition and iii) processing of the glued veneer to give a wood-base material at elevated temperature with curing of the crosslinkable urea compound, the impregnated veneer comprising the crosslinkable urea compound in substantially uncrosslinked form before the gluing in step ii).

公开(公告)号：NO20074256L

公开(公告)日：2007-10-01

申请号：NO20074256

申请日：2007-08-21

Applicant: BASF AG

Inventor： SCHERR GUENTER ,  KRAUSE ANDREAS ,  MILITZ HOLGER ,  WEPNER FALKO ,  BAUS ULF

IPC: B27K3/34 ,  B27K3/15

Abstract: The present invention relates to a process for the production of moldings from finely divided materials based on lignocellulose, and the moldings obtainable thereby. The invention also relates to the use of aqueous compositions which comprise at least one crosslinkable urea compound for the preparation of finely divided materials based on lignocellulose and treated with this composition for the production of moldings.

公开(公告)号：DE102005047363A1

公开(公告)日：2007-04-12

申请号：DE102005047363

申请日：2005-10-04

Applicant: BASF AG ,  GEORG AUGUST UNI

Inventor： KINGMA AREND JOUKE ,  WEINGART FRANZ ,  SCHAFFERT STEFAN ,  MILITZ HOLGER ,  KRAUSE ANDREAS ,  WEPNER FALKO

IPC: C08L97/02 ,  B27K3/34 ,  C07G1/00

Abstract: The invention relates to a lignocellulose material comprising a crosslinkable nitrogen compound, technically a formaldehyde condensate, in crosslinked form in a constituent amount (N) of at least 1% by weight, calculated as nitrogen and based on the total weight of the lignocellulose material, in which the ratio (FA/N) of formaldehyde emission (FA), determined by means of the bottle method according to EN 717, part 3, to constituent amount of the nitrogen compound (N) exhibits a value of at most 5.0×10−3, and to a process for the preparation thereof.

公开(公告)号：DE102005047362A1

公开(公告)日：2007-04-12

申请号：DE102005047362

申请日：2005-10-04

Applicant: BASF AG ,  GEORG AUGUST UNI

Inventor： KINGMA AREND JOUKE ,  WEINGART FRANZ ,  SCHAFFERT STEFAN ,  MILITZ HOLGER ,  KRAUSE ANDREAS ,  WEPNER FALKO

IPC: C08H8/00 ,  B27K3/34 ,  C08L97/02 ,  C07G1/00

Abstract: The invention relates to a method for producing modified lignocellulosic materials. Said method consists of the following steps a) the lignocellulosic material is impregnated with an aqueous composition which contains i) at least one cross-linkable nitrogen compound and ii) at least one substance which catalyses the cross-linking, b) the impregnated lignocellulosic materials are treated at higher temperatures in order to remove the water and to cross-link the cross-linkable nitrogen compound. In step b) the impregnated lignocellulosic material is treated with overheated steam. The invention also relates to lignocellulosic materials which are obtained according to said method.

公开(公告)号：CA2622626A1

公开(公告)日：2007-04-12

申请号：CA2622626

申请日：2006-10-02

Applicant: BASF AG

Inventor： MILITZ HOLGER ,  WEINGART FRANZ ,  KINGMA AREND JOUKE ,  SCHAFFERT STEFAN ,  KRAUSE ANDREAS ,  WEPNER FALKO

IPC: B27K5/00 ,  C08H8/00 ,  B27K1/00 ,  B27K3/15 ,  F26B21/00

Abstract: The invention relates to a method for producing modified lignocellulosic materials. Said method consists of the following steps a) the lignocellulosi c material is impregnated with an aqueous composition which contains i) at lea st one cross-linkable nitrogen compound and ii) at least one substance which catalyses the cross-linking, b) the impregnated lignocellulosic materials ar e treated at higher temperatures in order to remove the water and to cross-lin k the cross-linkable nitrogen compound. In step b) the impregnated lignocellulosic material is treated with overheated steam. The invention als o relates to lignocellulosic materials which are obtained according to said method.

公开(公告)号：DE102006019820A1

公开(公告)日：2006-11-09

申请号：DE102006019820

申请日：2006-04-28

Applicant: BASF AG ,  GEORG AUGUST UNI

Inventor： KINGMA AREND JOUKE ,  FECHTENKOETTER ANDREAS ,  KASEL WOLFGANG ,  MILITZ HOLGER ,  KRAUSE ANDREAS ,  MAI CARSTEN

IPC: B27K5/00 ,  B27N1/00 ,  C09D5/00 ,  C09D5/14 ,  C09D15/00

Abstract: The method involves impregnating of lignocellulosic material with a hardenable aqueous composition before or during waterproofing. The composition contains at least one cross-linkable compound, selected from low-molecular weight compounds V, having at least two N-bonded groups of formula CH 2OR, wherein R = hydrogen or C1-C4 alkyl, and one 1,2-bishydroxyethan-1,2-diyl group, bridging two nitrogen atoms. The composition containing at least one cross-linkable compound, can also be selected from precondensates of the compound V, and from reaction products or mixtures of the compound V with at least one alcohol, selected from C1-C6 alkanols, C2-C6 polyols and oligo-C2-C4-alkylene glycols. Independent claims are also included for the following: (A) Dispersion; (B) Lignocellulosic material; and (C) Aqueous composition.

公开(公告)号：AU2006243371A1

公开(公告)日：2006-11-09

申请号：AU2006243371

申请日：2006-04-28

Applicant: BASF AG

Inventor： MILITZ HOLGER ,  MAUTHE UWE ,  KRAUSE ANDREAS ,  KINGMA AREND JOUKE ,  REISACHER HANS-ULRICH ,  MAI CARSTEN

IPC: B27K3/15 ,  B27K3/24 ,  B27K3/34 ,  B27K5/00 ,  C07D233/40

Abstract: Method for impregnating lignocellulosic material with effect agents, comprises impregnating the lignocellulosic material with a fluid formation, which contains at least one effect agent in a dissolved or dispersed form; impregnating the material with a hardenable aqueous composition, which contains at least one cross-linkable compound; and treating the material obtained at an elevated temperature. Method for impregnating lignocellulosic material with effect agents, comprises impregnating the lignocellulosic material with a fluid formation, which contains at least one effect agent in a dissolved or dispersed form; impregnating the material with a hardenable aqueous composition, which contains at least one cross-linkable compound such as low-molecular weight compounds (V), having at least two N-bonded groups of formula (CH2OR) and/or one 1,2-bishydroxyethane-1,2-diyl group, bridging two nitrogen atoms, precondensates the compound (V), and reaction products or mixtures of the compound (V) with at least one alcohol such as 1-6C alkanols, 2-6C polyols and oligoalkylene glycols; and treating the material obtained at an elevated temperature. R : H or 1-4C alkyl. Independent claims are also included for: (1) a lignocellulosematerial, is obtained by the process; and (2) an aqueous composition comprising dissolved or dispersed form of effect agent and hardenable compound.

公开(公告)号：SI1554093T1

公开(公告)日：2006-08-31

申请号：SI200330285

申请日：2003-10-01

Applicant: BASF AG ,  KRAUSE ANDREAS ,  MILITZ HOLGER

Inventor： KRAUSE ANDREAS ,  MILITZ HOLGER

IPC: B27K3/00 ,  B27K5/00

公开(公告)号：PL376369A1

公开(公告)日：2005-12-27

申请号：PL37636903

申请日：2003-10-01

Applicant: BASF AG

Inventor： KRAUSE ANDREAS ,  MILITZ HOLGER

IPC: B27K3/08 ,  B27K3/15 ,  B27K5/06

Abstract: A process for improving the durability, dimensional stability and surface hardness of a wood body is described, in which an untreated wood body is impregnated with an aqueous solution of A) an impregnating agent from the group consisting of 1,3-bis(hydroxymethyl)-4,5-dihydroxyimidazolidin-2-one, 1,3-bis(hydroxymethyl)-4,5-dihydroxyimidazolidin-2-one modified with a C1-5-alcohol, a polyol or mixtures thereof, 1,3-dimethyl-4,5-dihydroxyimidazolidin-2-one, dimethylolurea, bis(methoxymethyl)urea, tetramethylolacetylenediurea, 1,3-bis(hydroxymethyl)imidazolidin-2-one, methylolmethylurea or mixtures thereof and B) a catalyst from the group consisting of metal or ammonium salts, organic or inorganic acids and mixtures thereof, and wood and impregnating agent are then caused to react while maintaining humid conditions at elevated temperature.