GB1175903A - - Google Patents

Info

Publication number
GB1175903A
GB1175903A GB1175903DA GB1175903A GB 1175903 A GB1175903 A GB 1175903A GB 1175903D A GB1175903D A GB 1175903DA GB 1175903 A GB1175903 A GB 1175903A
Authority
GB
United Kingdom
Prior art keywords
weight
polymer
composition
linear polyester
polyester plasticizer
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
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 filed Critical
Publication of GB1175903A publication Critical patent/GB1175903A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00—Producing footwear
    • B29D35/06—Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising
    • B29D35/061—Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising by injection moulding
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/04—Plastics, rubber or vulcanised fibre

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

1,175,903. Cellular shoe members. BOSTIK Ltd. 3 Feb., 1967 [4 Feb., 1966], No. 5214/67. Headings C3C, C3P and C3R. [Also in Division A3] A resilient shoe bottom member, e.g. heels, outsoles and heel lifts having a cellular structure is formed from a thermoplastic mouldable composition comprising a resinous vinyl chloride polymer and not less than 60% by weight of the polymer of substantially linear polyester plasticizer material having a molecular weight not less 4000. Up to 120% by weight of linear polyester plasticizer may be used as well as not more than 25% by weight of the polyester of monomeric plasticizer material and not more than 1% by weight of the polymer of a dispersed blowing agent. The composition is injected into a mould cavity adapted to define the shape of the shoe bottom member and subjected to an injection moulding process at 310-390‹ F. The polymer may be vinyl chloride homopolymers, its copolymers with vinyl acetate or vinylidene chloride or blends with natural or synthetic rubbers including butadiene-acrylonitrile copolymers and polymethyl methacrylate. The linear polyester plasticizer may be a reaction product of a polyhydric alcohol, e.g. a glycol such as ethylene, butylene or dipropylene glycols and a dibasic acid such as phthalic acids, sebacic acid and thiodipropionic acid. Specified monomeric platicizers are dioctyl phthalate, dioctyl adipate and butyl benzylphthalate, and blowing agents include azobisdicarbonamide, sodium bicarbonate and urea oxalate. Stabilizers and fillers, e.g. dibutyl tin dilaurate and carbon black, may be incorporated in the composition.
GB1175903D 1966-02-04 1967-02-03 Expired GB1175903A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52511566A 1966-02-04 1966-02-04

Publications (1)

Publication Number Publication Date
GB1175903A true GB1175903A (en) 1970-01-01

Family

ID=24091983

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1175903D Expired GB1175903A (en) 1966-02-04 1967-02-03

Country Status (1)

Country Link
GB (1) GB1175903A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127552A (en) 1975-10-29 1978-11-28 Dunlop Limited Antistatic footwear

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127552A (en) 1975-10-29 1978-11-28 Dunlop Limited Antistatic footwear

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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