EP2193234A2 - Agent de revêtement pour matières fibreuses, son procédé de fabrication et son utilisation - Google Patents

Agent de revêtement pour matières fibreuses, son procédé de fabrication et son utilisation

Info

Publication number
EP2193234A2
EP2193234A2 EP08801166A EP08801166A EP2193234A2 EP 2193234 A2 EP2193234 A2 EP 2193234A2 EP 08801166 A EP08801166 A EP 08801166A EP 08801166 A EP08801166 A EP 08801166A EP 2193234 A2 EP2193234 A2 EP 2193234A2
Authority
EP
European Patent Office
Prior art keywords
starch
coating composition
composition according
undegraded
coating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08801166A
Other languages
German (de)
English (en)
Inventor
Karl Ludwig Woll
Bo JÖNSSON
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Emsland Staerke GmbH
Original Assignee
Emsland Staerke GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Emsland Staerke GmbH filed Critical Emsland Staerke GmbH
Publication of EP2193234A2 publication Critical patent/EP2193234A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/54—Starch

Definitions

  • the first object is achieved by a coating agent for fibrous materials which contains pigment, binder and thickener, wherein the thickening agent comprises an undegraded, non-depolymerized starch having an amylopectin content of more than 40% by weight, in an amount of 0 , 05 to 3.0 percent by weight, based on the pigment content (dry), is present.
  • the thickening agent comprises an undegraded, non-depolymerized starch having an amylopectin content of more than 40% by weight, in an amount of 0 , 05 to 3.0 percent by weight, based on the pigment content (dry), is present.
  • amylopectin content is more than 60% by weight, more preferably more than 75% by weight.
  • the undegraded, non-depolymerized starch be present in an amount of from 0.15 to 1.5 percent by weight, based on the pigment content (dry).
  • the undegraded starch be chemically and / or physically modified.
  • the undegraded starch be used as hydroxyethyl, hydroxypropyl, carboxymethyl or carboxyethyl ethers or as formyl, acetyl, propionyl, butyryl, succinyl, sulfonyl, sulfate, phosphate , Carbamidester or as a mixture thereof.
  • Pigments which can be used according to the invention are both natural and synthetic pigments which are well known in the art, for example clays, hydrated aluminosilicates, calcium carbonate, calcium sulfate, silicas, titanium dioxide, aluminum oxide, aluminum trihydrate, plastic pigments, such as polystyrene, satin white, talc, barium sulfate and zinc oxide.
  • binders it is also possible to use agents which are well known in the art, for example binders based on carbohydrates and celluloses, but also protein binders and synthetic binders, in particular latex binders.
  • a bifunctional or polyfunctional agent calculated on the basis of the weight of the starch in granular form which can react with at least two free hydroxyl groups of the starch molecules.
  • Corresponding crosslinking agents can be selected, for example, from the group consisting of aliphatic epoxyhalogen or dihalogen compounds, phosphoroxyhalides, alkali metal metaphosphates, aldehydes, including aldehyde-containing resins, acid anhydrides, and polyfunctional reagents, such as cyanuric chloride. Chemical modifications can be carried out both before a physical modification and during such, for example during an extrusion.
  • Example 2 the COD eliminability (COD - Chemical Oxygen Demand) of an inventively employable, undegraded starch was compared with that of a commonly used, commercially available carboxymethylcellulose (Chimcell CMC 30, Fa. Chimex).
  • the inventive starch F-7568 given in the table below is a potato starch derivative prepared on the basis of the procedure described under Example 1 with an amylopectin content of about 80% by weight.
  • the COD eliminability became determined by the tooth-wave test according to DIN 38412 L25 and the results are shown in Table 1.
  • Example 3 illustrates the thickening effect of a starch which can be used according to the invention and compares its chloride content with a carboxymethylcellulose-based thickener commonly used.
  • the coating composition was prepared according to formulation 1 below and the viscosity was determined immediately and after 24 hours by means of a Brookfield viscometer type RVT at 20 ° C. and 100 rpm.
  • the starch F-8132 which is a potato starch derivatized according to Example 1 having an amylopectin content of> 95% by weight, has the above formulation in Thickening higher. Despite lower addition amount, a comparable viscosity of the formulation is achieved.
  • the starch thickener according to the invention significantly reduces the water release of the coating agent.
  • F-8132 also shows significantly higher thickening power and water retention-improving action with a smaller amount of use.
  • the depolymerized starch APKST-Oxi does not lead to a sufficient increase in viscosity of the coating color and is therefore not suitable as a starch thickener.
  • Example 5 The influence of the amylopectin content of the starches used according to the invention on the thickening effect and the viscosity stability of the coating agent are shown in Example 5. Compared to this, chemical and physical modification are used to compare identically prepared starches of the same viscosity, which differ only in their different raw material composition, ie amylopectin content (AP content). The measurements of the viscosities of coating compositions were made using a Brookfield viscometer type RVT at 2O 0 C and 100 rpm. Coating Formulation 3:

Landscapes

  • Paints Or Removers (AREA)
  • Paper (AREA)

Abstract

La présente invention concerne un agent de revêtement pour matières fibreuses, qui contient un pigment, un liant et un agent épaississant, l'agent épaississant comprenant un amidon non dégradé, non dépolymérisé, qui a une teneur en amylopectine supérieure à 40 % et qui est présent en une quantité de 0,05 à 3,0 pour cent en poids par rapport à la part de pigment (sec). L'invention concerne également un procédé de fabrication de l'agent de revêtement et son utilisation.
EP08801166A 2007-09-14 2008-08-14 Agent de revêtement pour matières fibreuses, son procédé de fabrication et son utilisation Withdrawn EP2193234A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007043922A DE102007043922A1 (de) 2007-09-14 2007-09-14 Beschichtungsmittel für Faserstoffe, Verfahren zu dessen Herstellung und Verwendung desselben
PCT/DE2008/001343 WO2009036721A2 (fr) 2007-09-14 2008-08-14 Agent de revêtement pour matières fibreuses, son procédé de fabrication et son utilisation

Publications (1)

Publication Number Publication Date
EP2193234A2 true EP2193234A2 (fr) 2010-06-09

Family

ID=40377102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08801166A Withdrawn EP2193234A2 (fr) 2007-09-14 2008-08-14 Agent de revêtement pour matières fibreuses, son procédé de fabrication et son utilisation

Country Status (3)

Country Link
EP (1) EP2193234A2 (fr)
DE (1) DE102007043922A1 (fr)
WO (1) WO2009036721A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102505562A (zh) * 2011-11-18 2012-06-20 浙江永泰纸业集团股份有限公司 一种真空镀铝纸原纸表面处理用水溶性涂料
EP4294884A1 (fr) * 2021-02-18 2023-12-27 Lumiforte Holding B.V. Peinture d'ombrage biodégradable
CN117926640B (zh) * 2024-03-04 2025-05-06 浙江锦尚添彩新材料有限公司 一种环保型装饰纸及其制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3293057A (en) * 1963-07-01 1966-12-20 Brown Co Modified starch composition
GB1135693A (en) * 1966-03-10 1968-12-04 Scholten Chemische Fab Polysaccharide derivatives
US4243564A (en) * 1979-05-18 1981-01-06 Moses Konigsberg Reaction products of a hydrolyzed styrene-maleic anhydride copolymer and a dispersed high amylopectin starch product neutralized with a volatile alkali, method of making same, and coating compositions comprising same
NL9401090A (nl) * 1994-06-29 1996-02-01 Avebe Coop Verkoop Prod Werkwijze voor het oppervlaktelijmen of strijken van papier.
DE19512399A1 (de) * 1995-04-03 1996-10-10 Basf Ag Papierleimungsmittelmischungen
AT403705B (de) 1996-08-12 1998-05-25 Tulln Zuckerforschung Gmbh Beschichtungsmittel
ES2207304T5 (es) * 1998-06-10 2007-07-16 Cooperatie Avebe U.A. Dextrinizacion del almidon.
CA2277009C (fr) * 1999-07-06 2008-02-26 Kevin Ray Anderson Compositions d'amidon hydroxyethyle
US20030173045A1 (en) * 2002-03-18 2003-09-18 Philip Confalone Liquid starch dispersions for coated paper and paperboard
WO2005005225A1 (fr) 2003-07-10 2005-01-20 Honda Motor Co., Ltd. Machine de travail entrainee par un moteur
CA2546890A1 (fr) 2003-11-27 2005-06-09 Cerestar Holding B.V. Epaississant pour compositions utilisees pour le couchage du papier

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2009036721A3 *

Also Published As

Publication number Publication date
WO2009036721A3 (fr) 2009-05-07
DE102007043922A1 (de) 2009-04-02
WO2009036721A2 (fr) 2009-03-26

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