GB1325338A - Sizing and coating compositions for paper - Google Patents

Sizing and coating compositions for paper

Info

Publication number
GB1325338A
GB1325338A GB3586370A GB3586370A GB1325338A GB 1325338 A GB1325338 A GB 1325338A GB 3586370 A GB3586370 A GB 3586370A GB 3586370 A GB3586370 A GB 3586370A GB 1325338 A GB1325338 A GB 1325338A
Authority
GB
United Kingdom
Prior art keywords
starch
composition
weight
sizing
paper
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.)
Expired
Application number
GB3586370A
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.)
Unilever Bestfoods North America
Original Assignee
Unilever Bestfoods North America
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 Unilever Bestfoods North America filed Critical Unilever Bestfoods North America
Publication of GB1325338A publication Critical patent/GB1325338A/en
Expired 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
    • C08B30/12—Degraded, destructured or non-chemically modified starch, e.g. mechanically, enzymatically or by irradiation; Bleaching of starch
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B31/00—Preparation of derivatives of starch
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B31/00—Preparation of derivatives of starch
    • C08B31/18—Oxidised starch

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

1325338 Paper-treating compositions CPC INTERNATIONAL Inc 23 July 1970 [28 July 1969] 35863/70 Heading C3U Compositions for sizing or coating paper comprise a granular starch product produced by reacting an aqueous slurry of starch granules, at an initial pH of 1À5-4À0, with an alkali metal hypochlorite (e.g. NaOCI) at below the gelatinization temperature of the starch (e.g. 90- 130‹ F.), adding a chlorine-neutralizing agent to neutralize the hypochlorite, and recovering the starch granules. The chlorine neutralizing agent may be sodium or potassium bisulphite or sodium thiosulphate, metabisulphate or hydrosulphite. A sizing composition comprises an aqueous solution having 1-25% by weight (based on total composition) of the starch as solute. The coating composition comprises an aqueous liquid having suspended therein 20- 70% by weight of solid material (based on total composition), the solid material comprising 5-25% by weight (based on solids) of the granular starch, and 30-60% (based on solids) of an inorganic pigment. The pigment may be powdered tin, blanc fixe, talc, clay, titania, calcium carbonate, satin white, precipitated chalk or ground limestone. The composition may also contain a dispersing agent, e.g. sodium hexametaphosphate, trisodium polyphosphate, tetrasodium pyrophosphate or potassium salts thereof; and also alkaline material, e.g. NaOH, NH 4 OH. The pH of the costing composition is preferably about 8.
GB3586370A 1969-07-28 1970-07-23 Sizing and coating compositions for paper Expired GB1325338A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84558569A 1969-07-28 1969-07-28

Publications (1)

Publication Number Publication Date
GB1325338A true GB1325338A (en) 1973-08-01

Family

ID=25295567

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3586370A Expired GB1325338A (en) 1969-07-28 1970-07-23 Sizing and coating compositions for paper

Country Status (5)

Country Link
BE (1) BE753941A (en)
DE (1) DE2037444A1 (en)
FR (1) FR2055705A5 (en)
GB (1) GB1325338A (en)
NL (1) NL7011171A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5192576A (en) * 1991-10-11 1993-03-09 American Maize-Products Company Thick-thin retort starch
JPH0757848B2 (en) * 1992-04-02 1995-06-21 マールブルガー、タペーテンファブリク、ヨット、ベー、シェーファー、ゲゼルシャフト、ミット、ベシュレンクテル、ハフツング、ウント、コンパニー、コマンディット、ゲゼルシャフト Method for producing a three-dimensional surface structured coating for wall and floor surfaces and structural paste therefor

Also Published As

Publication number Publication date
BE753941A (en) 1971-01-27
DE2037444A1 (en) 1971-02-18
FR2055705A5 (en) 1971-05-07
NL7011171A (en) 1971-02-01

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed