摘要:
The invention relates to partially cross-linked water soluble cellulose ethers, obtained by a) bringing a water soluble cellulose ether or a mixture of two or more water soluble ethers into contact with glyoxal or polyglyoxal or a mixture thereof (contact step) and subsequently, b) storing water soluble cellulose ethers or a mixture of two or more cellulose ethers processed with glyoxal or polyglyoxal over a 12 hour time period or more at a temperature of at least 60 DEG C (storage step). The invention also relates to water soluble preparations containing said cellulose ether in addition to the use thereof.
摘要:
Highly-plasticized cellulose esters may be useful as adhesives, including for use in producing laminates. For example, producing a laminate may include providing an adhesive melt that comprises an adhesive that comprises a cellulose ester and a plasticizer, the plasticizer included in an amount of about 30% to about 75% by weight of the adhesive; applying the adhesive melt to a substrate; and allowing the adhesive melt to cool so as to yield a laminate on the substrate.
摘要:
The invention relates to aqueous adhesive dispersions containing A) 0.1-10 wt.% adhesive polymer in the form of a dispersion with respect to the overall weight of the dispersion, B) 0.1-100 parts by weight of constituent A), an anionic or cationic polyelectrolyte and C) 0-50 parts by weight in relation to the 100 parts by weight of constituents A) of at least one polyalkyleneglycol with a molar mass of 200-100,000 g/mol. The invention also relates to the use of said dispersions in the production of multi-layered paper or paper material.
摘要:
The invention concerns a porous shaped part which comprises at least one of the following water-soluble or water-dispersible substances as binder: carboxylated and/or alkoxylated starch, cellulose ether and fully synthetic vinyl polymers and/or polyacrylates. The shaped part is characterized in that its edges are also porous, preferably just as porous as the interior. The shaped part has a geometric shape and is preferably cylindrical. Its weight should be between 0.5 and 500 g. It is obtained by gently solidifying a powdery mixture of its starting substances, which contains between 5 and 40 wt % water. The shaped part is used in particular for producing a lump-free paste.
摘要:
Ein erstes Mehrkomponenten-Bindemittel, umfassend 0,1-30 Gew.-% wasserlösliches Polysaccarid, 0,1-8 Gew.-% anorganisches Salz mit der Maßgabe, dass das anorganische Salz kein Borax ist, 0-5 Gew.-% Salz einer Dicarbonsäure, 0-10 Gew% mehrwertiger Alkohol, und 60-99,8 Gew.-% hydrophiles Verdünnungsmittel, und ein zweites Mehrkomponenten-Bindemittel, umfassend: 1-20 Gew.-% wasserlösliches Polysaccharid, 0,5-8 Gew.-% anorganisches Salz, 0-5 Gew.-% Salz einer Dicarbonsäure, 0-10 Gew% mehrwertiger Alkohol, 60-98 Gew.-% hydrophiles Verdünnungsmittel, und ≤ 15 Gew% Klebstoff, wobei der Gehalt an Klebstoff ungleich Null ist.
摘要:
The invention relates to a water soluble sachet comprising a cellulose adhesive and a synthetic adhesive. The invention also relates to a method for preparing said sachet and to a method for preparing an aqueous adhesive for wallpaper. Said invention is used in pre-measured adhesives for wallpaper.
摘要:
The invention relates to a particle-shaped binding agent agglomerate, containing at least one natural or synthetic polysaccharide and one synthetic polymer, whereby a 5 wt. % aqueous solution or dispersion of particles with a particle diameter having an over average particle variable interval (Tm) and an aqueous dispersion of particles with a particle diameter having an under average particle variable interval (Tm) after a dissolution time of 1 hr or less, respectively exhibit a viscosity which deviates by less than 20 % from the other respective viscosity. The invention also relates to a method for producing said particle-shaped binding agent agglomerate, in addition to the use thereof.
摘要:
The invention relates to aqueous adhesive dispersions containing A) 0.1-10 wt.% adhesive polymer in the form of a dispersion with respect to the overall weight of the dispersion, B) 0.1-100 parts by weight of constituent A), an anionic or cationic polyelectrolyte and C) 0-50 parts by weight in relation to the 100 parts by weight of constituents A) of at least one polyalkyleneglycol with a molar mass of 200-100,000 g/mol. The invention also relates to the use of said dispersions in the production of multi-layered paper or paper material.
摘要:
The invention relates to an agglomerate containing at least one of the following water-soluble or water-dispersible materials as a bonding base polymer: carboxylized and/or alkoxylized starch, cellulose ether and fully synthetic vinyl polymers and/or polyacrylates. The agglomerate is characterized in that it contains a blasting agent which produces a high swelling pressure, but, advantageously, does not gel. The agglomerate can have a regular geometric form or not. Its weight should be between 0.5 and 500g. The agglomerate is used in particular in the production of lump-free paste.