GB1004027A - Coating - Google Patents

Coating

Info

Publication number
GB1004027A
GB1004027A GB2173264A GB2173264A GB1004027A GB 1004027 A GB1004027 A GB 1004027A GB 2173264 A GB2173264 A GB 2173264A GB 2173264 A GB2173264 A GB 2173264A GB 1004027 A GB1004027 A GB 1004027A
Authority
GB
United Kingdom
Prior art keywords
amylose
coated
coating
flexible sheet
aqueous solution
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
GB2173264A
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.)
Primary Products Ingredients Americas LLC
Original Assignee
Tate and Lyle Ingredients Americas LLC
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 Tate and Lyle Ingredients Americas LLC filed Critical Tate and Lyle Ingredients Americas LLC
Publication of GB1004027A publication Critical patent/GB1004027A/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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/56—Rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1406—Multiple stage absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1487—Removing organic compounds
    • 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
    • D21H19/10—Coatings without pigments
    • D21H19/12—Coatings without pigments applied as a solution using water as the only solvent, e.g. in the presence of acid or alkaline compounds
    • 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
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
    • D21H25/16—Rearranging applied substances, e.g. metering, smoothing; Removing excess material with a blast of vapour or gas, e.g. air knife
    • 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
    • D21H5/00—Special paper or cardboard not otherwise provided for
    • D21H5/0005—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating
    • D21H5/0025—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating by contact with a device carrying the treating material
    • D21H5/003—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating by contact with a device carrying the treating material with a roller
    • 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
    • D21H5/00—Special paper or cardboard not otherwise provided for
    • D21H5/0005—Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating
    • D21H5/006—Controlling or regulating
    • D21H5/0062—Regulating the amount or the distribution, e.g. smoothing, of essentially fluent material already applied to the paper; Recirculating excess coating material applied to paper
    • D21H5/007—Regulating the amount or the distribution, e.g. smoothing, of essentially fluent material already applied to the paper; Recirculating excess coating material applied to paper with a blast of gas or vapour, e.g. air knife

Abstract

1,004,027. Coated sheet material. A. E. STALEY MANUFACTURING CO. May 26, 1964 [July 22, 1963], No. 21732/64. Heading B2E. A smooth grease-resistant coated flexible sheet is produced by applying an aqueous solution of amylose containing from 1-20% by weight of amylose to a surface which is not water-absorptive, e.g. roll applicator 3, transferring the coating to the flexible sheet 5 while the amylose is in an ungelled state and while the flexible sheet is moving at a rate of from 50-2,500 feet per minute, immediately smoothing the coating, e.g. by air knife 9, before the amylose coating composition gels, and drying the coated sheet. The flexible sheet may be paper or paperboard and the coating may weigh at least 1 pound per 1,000 square feet. Other sheets specified are films or coatings of polyethylene, e.g. corona discharge treated polyethylene coated natural Kraft paper, polypropylene, polyethylene terephthalate, polyvinyl chloride, polyvinylidene chloride, polyvinyl fluoride and aluminium foil. The aqueous solution of amylose may have a maximum Brookfield viscosity of 400 cps. measured at the temperature at which the coating is applied. The aqueous solution of amylose may be at a temperature of from 60-100 ‹C. The amylose may be the separated fraction of whole starch and comprises no more than 15% by weight, e.g. 6-12% of the aqueous solution and the amylo-pectin content of the amylose may be less than 20% by weight. Excess amylose treating material may be removed from the coated paper in the smoothing operation, e.g. by air knife or rotating rod, recovered and possibly recycled. The coating may be smoothed by passing the coated sheet between a surface, e.g. roll 7, and a blast of air from knife 9 with the coated side of the flexible sheet exposed to the blast ; the coated sheet is then dried. One or more additional coatings of amylose may be applied prior to or after the drying step. The coating may include plasticizers, e.g. glycerol, sorbitol, choline chloride, polyvinyl alcohol and/or 1.2,6-hexanetriol. The paper may be coated with a composition comprising clay and the alkaline hypochlorite-oxidized starch.
GB2173264A 1963-07-22 1964-05-26 Coating Expired GB1004027A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29666063A 1963-07-22 1963-07-22
DE19651546664 DE1546664B2 (en) 1963-07-22 1965-07-30 METHOD OF REMOVING HIGHER ACETYLENES AND OTHER CONTAMINATES FROM GASES OBTAINED BY THERMAL CRACKING OF HYDROCARBONS

Publications (1)

Publication Number Publication Date
GB1004027A true GB1004027A (en) 1965-09-08

Family

ID=25752878

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2173264A Expired GB1004027A (en) 1963-07-22 1964-05-26 Coating

Country Status (6)

Country Link
BE (1) BE649475A (en)
DE (2) DE1546464A1 (en)
GB (1) GB1004027A (en)
NL (1) NL6408175A (en)
NO (1) NO122108B (en)
SE (1) SE302247B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001092401A2 (en) * 2000-06-01 2001-12-06 A.E. Staley Manufacturing Co. Highly flexible starch-based films
US6528088B1 (en) 2000-06-01 2003-03-04 A. E. Staley Manufacturing Co. Highly flexible starch-based films

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001092401A2 (en) * 2000-06-01 2001-12-06 A.E. Staley Manufacturing Co. Highly flexible starch-based films
WO2001092401A3 (en) * 2000-06-01 2002-05-02 Staley Mfg Co A E Highly flexible starch-based films
US6528088B1 (en) 2000-06-01 2003-03-04 A. E. Staley Manufacturing Co. Highly flexible starch-based films
US6649188B2 (en) 2000-06-01 2003-11-18 A. E. Staley Manufacturing Co. Highly flexible starch-based films

Also Published As

Publication number Publication date
NL6408175A (en) 1965-01-25
SE302247B (en) 1968-07-08
NO122108B (en) 1971-05-18
BE649475A (en) 1964-10-16
DE1546664A1 (en) 1970-05-27
DE1546664B2 (en) 1973-08-09
DE1546464A1 (en) 1970-10-08

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