GB1006353A - Improvements in or relating to anti-fungal sheet packaging material - Google Patents

Improvements in or relating to anti-fungal sheet packaging material

Info

Publication number
GB1006353A
GB1006353A GB2446662A GB2446662A GB1006353A GB 1006353 A GB1006353 A GB 1006353A GB 2446662 A GB2446662 A GB 2446662A GB 2446662 A GB2446662 A GB 2446662A GB 1006353 A GB1006353 A GB 1006353A
Authority
GB
United Kingdom
Prior art keywords
natural
synthetic
sorbic acid
polyethylene
antioxidants
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
GB2446662A
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.)
WRIGHTCEL Ltd Pty
Original Assignee
WRIGHTCEL Ltd Pty
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
Priority claimed from AU7192/61A external-priority patent/AU264189B2/en
Application filed by WRIGHTCEL Ltd Pty filed Critical WRIGHTCEL Ltd Pty
Publication of GB1006353A publication Critical patent/GB1006353A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/28—Applications of food preservatives, fungicides, pesticides or animal repellants

Abstract

Sheet packaging materials are rendered antifungal by applying thereto a continuous or discontinuous (e.g. dotted or striped) coating comprising sorbic acid and one or more chemical substances which will remove compounds or ions which accelerate oxidation and breakdown or which are oxidized preferentially in the presence of sorbic acid. Suitable chemical substances are antioxidants and/or chelating agents. The base material may be any which is suitable for the intended purpose, e.g. regenerated cellulose film; fibrous or nonfibrous papers; woven or bonded fibre fabrics; metallic foils; natural high polymers such as rubber, and modifications thereof, e.g. rubber hydrochloride; synthetic polymers such as polyethylene, P.V.C., polyvinyl alcohol, polystyrene, polyamides e.g. nylon, polyesters e.g. polyethylene terephthalate or combinations thereof. Additionally, the base may carry on one or both surfaces a thermoplastic coating, e.g. of paraffin wax, microcrystalline wax, amorphous or crystalline vegetable or animal fats or waxes, natural or synthetic elastomers, cellulose ethers or esters, synthetic polymers, e.g. polyethylene glycol, polyethylene oxide, P.V.C., polyvinylidene chloride, natural or synthetic gums and resins or mixtures thereof. The sorbic acid and the antioxidant and/or chelating agent may be applied in the same or different coating layers, which may contain a thermoplastic binder, e.g. paraffin wax, microcrystalline wax, natural or synthetic elastomers or gums, resins, starches or dextrins, polyvinyl acetate being preferred. Numerous classes and specific examples of antioxidants and chelating agents are given.
GB2446662A 1961-07-20 1962-06-26 Improvements in or relating to anti-fungal sheet packaging material Expired GB1006353A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU7192/61A AU264189B2 (en) 1962-06-25 A coated sheet wrapping material

Publications (1)

Publication Number Publication Date
GB1006353A true GB1006353A (en) 1965-09-29

Family

ID=3697813

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2446662A Expired GB1006353A (en) 1961-07-20 1962-06-26 Improvements in or relating to anti-fungal sheet packaging material

Country Status (1)

Country Link
GB (1) GB1006353A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118864A (en) * 1982-04-26 1983-11-09 Us Energy Composite polymeric film
US4833002A (en) * 1985-10-04 1989-05-23 The Wiggins Teape Group Limited Remoistenable adhesives
US4910048A (en) * 1985-10-04 1990-03-20 Peter Sinclair Remoistenable adhesives

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118864A (en) * 1982-04-26 1983-11-09 Us Energy Composite polymeric film
US4833002A (en) * 1985-10-04 1989-05-23 The Wiggins Teape Group Limited Remoistenable adhesives
US4910048A (en) * 1985-10-04 1990-03-20 Peter Sinclair Remoistenable adhesives

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