Abstract:
The invention relates to a light material containing wood having an average density in the region of between 200 to 600 kg/m 3 , and which comprises, in relation to the material containing wood, A) 30 to 95% by wt. of wood particles, B) 1 to 25% by wt. of a filling material having a bulk density in the region of between 10 to 150 kg/m 3 , selected from the group consisting of foamable plastic particles and already foamed plastic particles, C) 0.1 to 50% by wt. of a binding agent, and optionally, D) additives. Said claimed material containing wood is characterised by the following relation between the d' values in accordance with the Rosin-Rammler-Sperling-Bennet distribution of the wood particles (A) and the particles of the filling material (B): d' of the particles (A) =2,5 OEd' of the particles (B).
Abstract:
The present invention relates to lignocellulosic materials having a core and two outer layers, comprising in the core A)30% to 98% by weight of lignocellulose particles; B) 1% to 25% by weight of expanded plastics particles having a bulk density in the range from 10 to 150 kg/m3, C) 1% to 50% by weight of one or more binders selected from the group consisting of phenoplast resin, aminoplast resin, and organic isocyanate having at least two isocyanate groups, and D) 0% to 30% by weight of additives and in the outer layers E)70% to 99% by weight of lignocellulose fibers, F) 1% to 30% by weight of one or more binders selected from the group consisting of phenoplast resin, aminoplast resin, and organic isocyanate having at least two isocyanate groups, and G) 0% to 30% by weight of additives.
Abstract:
The invention relates to a multi-layer molded body that contains lignocellulose, comprising A) a middle layer or a plurality of middle layers, which contain(s) particles that contain lignocellulose and which can be obtained by using a binder (a), and B) an outer layer or a plurality of outer layers, which contain(s) particles that contain lignocellulose and which can be obtained by using a binder (b), wherein the binder (a) is selected from the group comprising (a1) formaldehyde resins and (a2) an organic isocyanate having at least two isocyanate groups; wherein the binder (b) contains the following components: an aqueous component (I) containing (i) a polymer A, which is constructed from the following monomers: a) 70 to 100 wt % of at least one ethylenically unsaturated monocarboxylic acid and/or dicarboxylic acid (monomer(s) A1) and b) 0 to 30 wt % of at least one additional ethylenically unsaturated monomer that differs from the monomers A1 (monomer(s) A2), possibly (ii) a low-molecular-weight cross-linking agent having at least two functional groups, which are selected from the group comprising hydroxy, carboxylic acid and derivatives thereof, primary, secondary, and tertiary amine, epoxy, and aldehyde, an organic isocyanate having at least two isocyanate groups as component (II), and possibly a component (III) as an aqueous dispersion containing one or more polymers M, which are constructed from the following monomers: a) 0 to 50 wt % of at least one ethylenically unsaturated monomer that contains at least one epoxide group and/or at least one hydroxyalkyl group (monomer(s) M1), and b) 50 to 100 wt % of at least one additional ethylenically unsaturated monomer that differs from the monomers M1 (monomer(s) M2), and possibly common additives as component (IV), and wherein at least one middle layer (A) contains expanded plastic particles and possibly at least one outer layer B) contains expanded plastic particles, and the binder (b) possibly contains a formaldehyde scavenger.
Abstract:
The present invention relates to lignocellulosic materials having a core and two outer layers, comprising in the core A)30% to 98% by weight of lignocellulose particles; B) 1% to 25% by weight of expanded plastics particles having a bulk density in the range from 10 to 150 kg/m3, C) 1% to 50% by weight of one or more binders selected from the group consisting of phenoplast resin, aminoplast resin, and organic isocyanate having at least two isocyanate groups, and D) 0% to 30% by weight of additives and in the outer layers E)70% to 99% by weight of lignocellulose fibers, F) 1% to 30% by weight of one or more binders selected from the group consisting of phenoplast resin, aminoplast resin, and organic isocyanate having at least two isocyanate groups, and G) 0% to 30% by weight of additives.
Abstract:
Данноеизобретениеотноситсяк лигноцеллюлознымматериалам, имеющимядрои двавнешнихслояи содержащимв ядре A) от 30 до 98 вес.% лигноцеллюлозныхчастиц; B) от 1 до 25 вес.% вспененныхпластмассовыхчастиц, имеющихнасыпнуюплотностьв интервалеот 10 до 150 кг/м, C) от 1 до 50 вес.% одногоилиболеесвязующих, выбранныхизгруппы, котораявключаетфенопластовуюсмолу, аминопластовуюсмолуи органическийизоцианат, содержащийкакминимумдвеизоцианатныегруппы, исодержащимвовнешнихслоях E) от 70 до 99 вес.% лигноцеллюлозныхволокон, F) от 1 до 30 вес.% одногоилиболеесвязующих, выбранныхизгруппы, котораявключаетфенопластовуюсмолу, аминопластовуюсмолуи органическийизоцианат, содержащийкакминимумдвеизоцианатныегруппы, и G) от 0 до 30 вес.% добавок.
Abstract:
The present invention relates to lignocellulosic materials having a core and two outer layers, comprising in the core A)30% to 98% by weight of lignocellulose particles; B) 1% to 25% by weight of expanded plastics particles having a bulk density in the range from 10 to 150 kg/m
Abstract:
Lignocelulozni materijal sastavljen od jezgra i dva spoljašnja sloja, koji u jezgru sadržiA) 30 % do 98 % mase lignoceluloznih čestica;B) 1 % do 25 mase ekspandiranih plastičnih čestica sa specifičnom gustinom u opsegu od 10 do 150kg/m3,C) 1 % do 50 % mase jednog ili više vezivnih agena izabranih iz grupe koja se sastoji od fenoplast smole, aminoplast smole i organskog izocijanata sa najmanje dve izocijanatne grupe, iD) 0 % do 30 % mase aditiva i u spoljašnjim slojevimaE) 70 % do 99 % mase lignoceluloznih vlakana,F) 1 % do 30 % mase jednog ili više vezivnih agenasa izabranih iz grupe koju sačinjavaju fenoplast smola, aminoplast smola i organski izocijanat sa najmanje dve izocijanatne grupe, iG) 0 % do 30 % mase aditiva,naznačeno time da su ekspandirane plastične čestice B nejednako raspoređene u jezgru, što znači da je maseni odnos X ekspandiranih plastičnih čestica B prema lignoceluloznim česticama A u spoljašnjim regionima jezgra različit od masenog odnosa Y ekspandiranih plastičnih čestica B prema lignoceluloznim česticama A u unutrašnjem regionu jezgra.Prijava sadrži još 6 patentnih zahteva.