GB1323617A - Packaging of elastomers - Google Patents

Packaging of elastomers

Info

Publication number
GB1323617A
GB1323617A GB5139271A GB5139271A GB1323617A GB 1323617 A GB1323617 A GB 1323617A GB 5139271 A GB5139271 A GB 5139271A GB 5139271 A GB5139271 A GB 5139271A GB 1323617 A GB1323617 A GB 1323617A
Authority
GB
United Kingdom
Prior art keywords
elastomer
salts
nov
fatty acids
stick
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
GB5139271A
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.)
HECHT HEYWORT ALCON Ltd
Original Assignee
HECHT HEYWORT ALCON Ltd
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 FR7039759A external-priority patent/FR2112664A5/en
Priority claimed from FR7127997A external-priority patent/FR2148686A6/en
Application filed by HECHT HEYWORT ALCON Ltd filed Critical HECHT HEYWORT ALCON Ltd
Publication of GB1323617A publication Critical patent/GB1323617A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0067—Using separating agents during or after moulding; Applying separating agents on preforms or articles, e.g. to prevent sticking to each other
    • B29C37/0075—Using separating agents during or after moulding; Applying separating agents on preforms or articles, e.g. to prevent sticking to each other using release sheets
    • 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
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/42—Applications of coated or impregnated materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2021/00—Use of unspecified rubbers as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Laminated Bodies (AREA)

Abstract

1323617 Non-stick coatings HECHT HEYWORTH & ALCAN Ltd 4 Nov 1971 [5 Nov 1970 30 July 1971] 51392/71 Heading B2E A mass of tacky natural or synthetic elastomer is provided with a continuous adherent coating of a non-tacky, compatible, co-vulcanisable thermoplastic polymer. Preferred thermoplastic polymers are block copolymers of styrene and butadiene. The coating may be applied by application of a solution of the polymer in an appropriate solvent, which is then evaporated. A non-stick powder which should be chemically compatible with elastomer may be further applied over the surface of the elastomer. Suitable powders are derivatives of fatty acids, such as their salts, esters and ester-salts, particularly metal salts of fatty acids, preferably zinc stearate or zinc laurate. The non-stick powder preferably does not exceed 1% of the weight of the elastomer, particularly advantageously less than 0.2%.
GB5139271A 1970-11-05 1971-11-04 Packaging of elastomers Expired GB1323617A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7039759A FR2112664A5 (en) 1970-11-05 1970-11-05 Coated rubber bales - sheathed in a compatible film which inhibits blocking in ambient conditions
FR7127997A FR2148686A6 (en) 1971-07-30 1971-07-30 Surface treatment of elastomers - to stop sticking during transport and storage

Publications (1)

Publication Number Publication Date
GB1323617A true GB1323617A (en) 1973-07-18

Family

ID=26216033

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5139271A Expired GB1323617A (en) 1970-11-05 1971-11-04 Packaging of elastomers

Country Status (1)

Country Link
GB (1) GB1323617A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees