GB1338302A - Preparation of coated regenerated cellulose film - Google Patents

Preparation of coated regenerated cellulose film

Info

Publication number
GB1338302A
GB1338302A GB1870171*[A GB1870171A GB1338302A GB 1338302 A GB1338302 A GB 1338302A GB 1870171 A GB1870171 A GB 1870171A GB 1338302 A GB1338302 A GB 1338302A
Authority
GB
United Kingdom
Prior art keywords
web
regenerated cellulose
coated
shrinkage
cellulose film
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
GB1870171*[A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB1338302A publication Critical patent/GB1338302A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
    • B05D7/04—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber to surfaces of films or sheets

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

1338302 Coated regenerated cellulose film EI DU PONT DE NEMOURS & CO 3 June 1971 [4 June 1970] 18701/71 Heading B2E Coated regenerated cellulose film is produced by softening a gel-state web of regenerated cellulose with an aqueous solution of a plasticiser consisting substantially of polyethylene glycol of average molecular weight 285-4000, drying the softened web to a moisture content of 4-8 weight % in a manner such that the web is maintained in a wrinkle free condition throughout the drying operation while permitting from 2-5% shrinkage, applying a solution or dispersion of a polymer in a liquid to at least one surface of the dried web, removing the liquid and humidifying the coated web while permitting at least 0.5% longitudinal shrinkage. The coating may be a transparent coating of nitrocellulose or vinylidene chloride polymer or copolymer applied by immersion or doctor roll. The softener solution may contain up to 20% by weight of the total plasticiser of glycerin or polypropylene glycol. In the first drying zone, the film passes over a succession of heated rotating idler and driven rollers at 70-120‹C, transverse shrinkage being restrained by special finishing and accurate spacing of the rollers. The humidifying atmosphere usually has a dry bulb temperature of 80-90‹C and a wet bulb temperature of 75- 85‹C maintained by passing a heated air stream through a hot water spray and then steam.
GB1870171*[A 1970-06-04 1971-06-03 Preparation of coated regenerated cellulose film Expired GB1338302A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4351170A 1970-06-04 1970-06-04

Publications (1)

Publication Number Publication Date
GB1338302A true GB1338302A (en) 1973-11-21

Family

ID=21927533

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1870171*[A Expired GB1338302A (en) 1970-06-04 1971-06-03 Preparation of coated regenerated cellulose film

Country Status (5)

Country Link
US (1) US3656993A (en)
CA (1) CA931833A (en)
DE (1) DE2127869C3 (en)
FR (1) FR2094045B1 (en)
GB (1) GB1338302A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI72544C (en) * 1975-06-13 1987-06-08 Valmet Oy FORMARE OF TV VIROR I PAPPERSMASKIN.
US4072785A (en) * 1974-07-05 1978-02-07 Fmc Corporation Dimensionally stable, nitrocellulose coated cellophane
DE2637510A1 (en) * 1976-08-20 1978-02-23 Hoechst Ag MOLDED BODIES, IN PARTICULAR PACKAGING MATERIAL, BASED ON CELLULOSE HYDRATE MODIFIED WITH SYNTHETIC POLYMER BASED ON ALKYLENE OXIDE AND A METHOD FOR MANUFACTURING THE MOLDED BODY
US4608060A (en) * 1985-04-15 1986-08-26 Uop Inc. Separation of polar gases from nonpolar gases
US4606740A (en) * 1985-04-15 1986-08-19 Uop Inc. Separation of polar gases from nonpolar gases
FR2710078B1 (en) * 1993-09-17 1995-12-01 Picardie Lainiere Biodegradable textile support, in weft knit fabric, for fusible interlining.
US5449318A (en) * 1994-08-08 1995-09-12 Teepak, Inc. Regenerated food casing having food release properties due to an internal surface comprising viscose with PEG
US6152345A (en) * 1999-03-23 2000-11-28 Eastman Kodak Company Method for controlling width-wise expansion of a conveyed web
FR2868339B1 (en) * 2004-03-31 2008-11-28 Zeon Corp PROCESS FOR PRODUCING A WATER ABSORBENT POLYMER HAVING A REGULATED MOISTURE CONTENT

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US578714A (en) * 1897-03-16 Solomon bennett
US1277695A (en) * 1917-07-20 1918-09-03 Leander J Cavanaugh Soilproof fabric and process of making the same.
US2115132A (en) * 1934-05-31 1938-04-26 Du Pont Manufacture of nonfibrous sheets and films
US2182765A (en) * 1937-08-16 1939-12-05 Solvay Process Co Method of moistureproofing regenerated cellulose
US2328679A (en) * 1941-05-06 1943-09-07 Du Pont Cellulosic structure
NL248122A (en) * 1959-02-06
NL269406A (en) * 1960-09-20
FR1350706A (en) * 1961-11-28 1964-01-31 Du Pont Process for producing hydrophilic non-fibrous films
US3442697A (en) * 1965-12-28 1969-05-06 Du Pont Adherent cellulose film comprising negatively charged aldehyde
US3515780A (en) * 1967-03-21 1970-06-02 Du Pont Process for drying gel-regenerated cellulose film
US3565669A (en) * 1968-02-13 1971-02-23 Du Pont Process for improving the permanent shrinkage properties of regenerated cellulose film

Also Published As

Publication number Publication date
DE2127869A1 (en) 1971-12-09
DE2127869C3 (en) 1975-05-15
DE2127869B2 (en) 1974-09-19
CA931833A (en) 1973-08-14
FR2094045A1 (en) 1972-02-04
US3656993A (en) 1972-04-18
FR2094045B1 (en) 1975-04-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee