A process for the manufacture of an acylated polymer composition including amylose and/or amylopectin, including a pre-treatment step in the presence of an acid and a hydroxycarboxylic acid, subsequent acylation and, preferably, a post-treatment step with an acid. The products obtained are useful as additives in inks, varnishes, lacquers, coatings, thickeners, adhesives or binders.
Process for the recovery of carboxylic acid, in particular acetic acid containing carboxylic anhydride in particularacetic anhydride and other impurities, which comprises: (a) treating a fraction, in particular a fraction originating from a wood treatment process, containing carboxylic acid and impurities with a metal salt in the presence of water, (b) treating at least part of the fraction obtained from step (a) to remove metal salt and, (c) treating at least part of the fraction obtained from step (b) by distillation, stripping or membrane separation to recover at least a purified carboxylic acid fraction.
C02F 103/28 - Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
The invention concerns a process for the manufacture of an acylated polymer composition comprising amylose and/or amylopectin, comprising a pre-treatment step in the presence of an acid and a hydroxycarboxylic acid, subsequent acylation and, preferably, a post-treatment step with an acid. The products obtained are useful as additives in inks, varnishes, lacquers, coatings, thickeners, adhesives or binders.
The present invention relates to polymer compositions comprising at least one basic additive, and processes comprising at least one process step to obtain the polymer composition or articles comprising the polymer composition. The polymer composition generally displays an enhanced biodegradability.
D01F 2/28 - Monocomponent artificial filaments or the like of cellulose or cellulose derivativesManufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
6.
POLYMER COMPOSITION COMPRISING BASIC ADDITIVE, PROCESS AND ARTICLES COMPRISING SAID POLYMER COMPOSITION
The present invention relates to polymer compositions comprising at least one basic additive, and processes comprising at least one process step to obtain the polymer composition or articles comprising the polymer composition. The polymer composition generally displays an enhanced biodegradability.
D01F 2/28 - Monocomponent artificial filaments or the like of cellulose or cellulose derivativesManufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
A24D 3/06 - Use of materials for tobacco smoke filters
7.
PROCESS FOR THE MANUFACTURE OF CARBOXYLIC ANHYDRIDE
The present invention concerns a process for manufacturing a fraction comprising carboxylic acid anhydride by reaction of a fraction comprising carboxylic acid with a ketene, and the use of the fraction comprising carboxylic acid anhydride in a process for acylation of polysaccharides.
The present invention concerns a process for manufacturing a fraction comprising carboxylic acid anhydride by reaction of a fraction comprising carboxylic acid with a ketene, and the use of the fraction comprising carboxylic acid anhydride in a process for acylation of polysaccharides.
The present invention concerns a process for the recovery of carboxylic acid from a fraction comprising carboxylic acid and impurities, and a process for the manufacture of treated wood, which comprise the step of submitting a fraction containing carboxylic acid and impurities to a gas stripping operation.
The present invention concerns a process for the recovery of carboxylic acid from a fraction comprising carboxylic acid and impurities, and a process for the manufacture of treated wood, which comprise the step of submitting a fraction containing carboxylic acid and impurities to a gas stripping operation.
Process for the recovery of carboxylic acid, in particular acetic acid containing carboxylic anhydride in particular acetic anhydride and other impurities, which comprises: (a) treating a fraction, in particular a fraction originating from a wood treatment process, containing carboxylic acid and impurities with a metal salt in the presence of water, (b) treating at least part of the fraction obtained from step (a) to remove metal salt and, (c) treating at least part of the fraction obtained from step (b) by distillation, stripping or membrane separation to recover at least a purified carboxylic acid fraction.
C07C 51/44 - SeparationPurificationStabilisationUse of additives by change of the physical state, e.g. crystallisation by distillation
C07C 51/47 - SeparationPurificationStabilisationUse of additives by solid-liquid treatmentSeparationPurificationStabilisationUse of additives by chemisorption
C07C 51/50 - Use of additives, e.g. for stabilisation
12.
PROCESS FOR THE RECOVERY OF CARBOXYLIC ACID AND WOOD TREATMENT PROCESS
Process for the recovery of carboxylic acid, in particular acetic acid containing carboxylic anhydride in particular acetic anhydride and other impurities, which comprises: (a) treating a fraction, in particular a fraction originating from a wood treatment process, containing carboxylic acid and impurities with a metal salt in the presence of water, (b) treating at least part of the fraction obtained from step (a) to remove metal salt and, (c) treating at least part of the fraction obtained from step (b) by distillation, stripping or membrane separation to recover at least a purified carboxylic acid fraction.
C07C 51/44 - SeparationPurificationStabilisationUse of additives by change of the physical state, e.g. crystallisation by distillation
C07C 51/47 - SeparationPurificationStabilisationUse of additives by solid-liquid treatmentSeparationPurificationStabilisationUse of additives by chemisorption
C07C 51/50 - Use of additives, e.g. for stabilisation
The invention concerns a process for the manufacture of an acylated polymer composition comprising amylose and/or amylopectin, comprising a pre-treatment step in the presence of an acid, a salt and a polycarboxylic acid, subsequent acylation and, preferably, a post-treatment step with an acid. The products obtained are useful as additives in inks, varnishes, lacquers, coatings, thickeners, adhesives or binders.
The invention concerns a process for the manufacture of an acylated polymer composition comprising amylose and/or amylopectin, comprising a pre-treatment step in the presence of an acid, and optionally one additive selected from the group of a hydroxycarboxylic acid and a salt in combination with a polycarboxylic acid. After pre-treatment, the polymer is acylated and, preferably, subjected to a post-treatment step with an acid. The products obtained are useful as additives in varnishes, lacquers, coatings, thickeners, adhesives or binders, and preferably inks.
The invention concerns a process for the manufacture of an acylated polymer composition comprising amylose and/or amylopectin, comprising a pre-treatment step in the presence of an acid and a hydroxycarboxylic acid, subsequent acylation and, preferably, a post-treatment step with an acid. The products obtained are useful as additives in inks, varnishes, lacquers, coatings, thickeners, adhesives or binders.
The invention concerns a process for the manufacture of an acylated polysaccharide which comprises. (a) reacting a polysaccharide with an acylating agent to produce an acylated polysaccharide and (b) washing the acylated polysaccharide with water containing from 0.05 to15mg/l Ca2+-ions. (c) recovering the washed acylated polysaccharide and an aqueous phase containing carboxylic acid from step (b).
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Unprocessed plastics; Unprocessed artificial resins; cellulose acetate resins used in the manufacture of products by moulding or injection of thermoplastics and thermosetting plastics; components made of unprocessed plastic materials, compositions for use in the manufacture of plastic products, cellulose acetate materials and compositions of plastics for moulding and sheet form. Cellulose acetate; gums unprocessed, rubber; sheets, wire and pipes made of rubber; plastic material for moulding thermoplastic and thermo-hardening and for moulding under pressure; semi-processed plastic materials in form of powder for conformation of products by moulding, injection, coiling, blowing; semi-processed plastic materials in form of coating solutions by throwing and application; semi-processed plastic materials in rodes, tubes, plates, stripes, films and filaments.
A catalytically degradable plastic is described, with content of cellulose esters and also optionally of additives. A particular characterizing feature of this catalytically degradable plastic is that it contains a dispersed, catalytically active transition-metal-modified titanium dioxide.
Process for the manufacture of a product containing a catalytically active titanium compound, which comprises at least one step wherein the catalytically active titanium compound is contacted with a substrate in a liquid phase comprising a solvent having a carbonyl function and a C-H bond in α-position to said carbonyl function, and an inhibitor selected from one or more acids and one or more alcohols or mixtures thereof and product obtained by the process.
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Chemical products for industry; unprocessed plastic materials; unprocessed artificial resins; cellulose acetate resins used in the manufacture of products by moulding or injection of thermoplastics and thermosetting plastics; components made of unprocessed plastic materials, compositions for use in the manufacture of plastic products, cellulose acetate materials and compositions of plastics for moulding and sheet form. Cellulose acetate; gums unprocessed, rubber; sheets, wire and pipes made of rubber; plastic material for moulding thermoplastic and thermo-hardening and for moulding under pressure; semi-processed plastic materials in form of powder for conformation of products by moulding, injection, coiling, blowing; semi-processed plastic materials in form of coating solutions by throwing and application; semi-processed plastic materials in rodes, tubes, plates, stripes, films and filaments.
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
(1) Produits chimiques destinés à l'industrie des adhésifs, de la construction, des fibres et du textile, des vernis, des laques, des polymères intermédiaires, des additifs plastiques, à l'industrie électronique et à l'industrie de l'emballage, à l'industrie automobile, aéronautique, électrique, énergétique, médicale et pharmaceutique, à l'industrie des chaussures et des vêtements; matières plastiques à l'état brut; résines artificielles à l'état brut; résines d'acétate de cellulose destinées à la fabrication de produits par moulage ou par injection de matières thermoplastiques et de matières plastiques thermodurcissables; compositions destinées à la fabrication de produits en matières plastiques. Acétate de cellulose; gommes à l'état brut, caoutchouc; caoutchouc en feuilles, fil et tuyaux pour utilisation dans la fabrication de câbles, de pneus, de chaussures et bottes, de contenants d'emballage industriel, de cordes et de lacets, de couvercles pour contenants, de gaines pour protéger des pièces de machinerie, de gants domestiques, de gommes à effacer, de jouets gonflables, de balles et ballons, de bouchons, d'alèses et de barres et tiges; matières plastiques pour le moulage de matières thermoplastiques, le durcissement à température élevée et le moulage sous pression; matières plastiques mi-ouvrées sous la forme de poudre pour la conformation de produits par moulage, injection, bobinage, soufflage; matières plastiques semi-ouvrées sous la forme de solutions de revêtement par jet et application; matières plastiques semi-ouvrées sous la forme de baguettes, tubes, plaques, bandes, films et filaments.
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
(1) Produits chimiques destinés à l'industrie des adhésifs, de la construction, des fibres et du textile, des vernis, des laques, des polymères intermédiaires, des additifs plastiques, à l'industrie électronique et à l'industrie de l'emballage, à l'industrie automobile, aéronautique, électrique, énergétique, médicale et pharmaceutique, à l'industrie des chaussures et des vêtements; matières plastiques à l'état brut; résines artificielles à l'état brut; résines d'acétate de cellulose destinées à la fabrication de produits par moulage ou par injection de matières thermoplastiques et de matières plastiques thermodurcissables; compositions destinées à la fabrication de produits en matières plastiques. Acétate de cellulose; gommes à l'état brut, caoutchouc; caoutchouc en feuilles, fil et tuyaux pour utilisation dans la fabrication de câbles, de pneus, de chaussures et bottes, de contenants d'emballage industriel, de cordes et de lacets, de couvercles pour contenants, de gaines pour protéger des pièces de machinerie, de gants domestiques, de gommes à effacer, de jouets gonflables, de balles et ballons, de bouchons, d'alèses et de barres et tiges; matières plastiques pour le moulage de matières thermoplastiques, le durcissement à température élevée et le moulage sous pression; matières plastiques mi-ouvrées sous la forme de poudre pour la conformation de produits par moulage, injection, bobinage, soufflage; matières plastiques semi-ouvrées sous la forme de solutions de revêtement par jet et application; matières plastiques semi-ouvrées sous la forme de baguettes, tubes, plaques, bandes, films et filaments.
The present invention relates to a method for recovering acetic acid. The invention relates specifically to a method including a step of liquid-liquid extraction from an aqueous solution containing acetic acid, and a step of distillation of the resulting extract.
Polymeric optical lens for LED (light‑emitting diode) luminous source module, in particular a LED luminous source module comprising this optical lens, and an LED lamp comprising this module. Optical lens for LED (light‑emitting diode) luminous source module comprising a polymer chosen from among cellulose and its derivatives, starch and its derivatives, alginates and their derivatives, guars and their derivatives, chitin and its derivatives, pectin and its derivatives.
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
The invention relates to a polymer layer and in particular to the use of this polymer layer as an external protecting layer for a photovoltaic module. The polymer of the layer is chosen from cellulose and its derivatives, starch and its derivatives, alginates and their derivatives, guars and their derivatives, chitin and its derivatives and pectin and its derivatives.
16 - Paper, cardboard and goods made from these materials
Goods & Services
Paper, cardboard and goods made from these materials, not included in other classes; printed matter; photographs; stationery; adhesives for stationery or household purposes; instructional and teaching material (except apparatus); plastic materials for packaging (not included in other classes); recyclable and/or reusable packaging of paper and/or cardboard for cellulose acetate fibres and cables, for cables for cigarette filters; cellulose acetate cables packed in reusable packaging made from synthetic materials.
05 - Pharmaceutical, veterinary and sanitary products
34 - Tobacco; smokers' articles
Goods & Services
(1) Tobacco smoke filters, filters, filter tips for cigarettes, cigars and tobacco pipes, raw and manufactured products, namely: fibers, filaments and tows for the production of such filters.
