GB972642A - Process for the manufacture of multi-layer sheet materials - Google Patents

Process for the manufacture of multi-layer sheet materials

Info

Publication number
GB972642A
GB972642A GB4415760A GB4415760A GB972642A GB 972642 A GB972642 A GB 972642A GB 4415760 A GB4415760 A GB 4415760A GB 4415760 A GB4415760 A GB 4415760A GB 972642 A GB972642 A GB 972642A
Authority
GB
United Kingdom
Prior art keywords
support
sheet material
coated sheet
successive
particles
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
GB4415760A
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.)
Feldmuehle AG
Original Assignee
Feldmuehle AG
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 Feldmuehle AG filed Critical Feldmuehle AG
Publication of GB972642A publication Critical patent/GB972642A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/006—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor using an electrostatic field for applying the material
    • 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
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Moulding By Coating Moulds (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

A coated sheet material consisting of at least two layers of different plastics is produced by applying aqueous dispersions of the different plastics to a smooth support, and drying in succession thereon under temperature conditions such that each plastic coalesces to form a homogeneous layer and the coated sheet material is thereafter removed from the support. The aqueous dispersions may be applied to the support by disseminating them in the air in the form of fine particles, charging the particles in a high voltage electrostatic field and causing the charged particles to deposit on the support, which is oppositely charged. The process may be carried out on a continuously moving support, the successive operations of applying and drying the dispersions being carried out in a continuous manner in successive zones distributed along the length of the support, and the coated sheet material is removed from the end of the support. The support may be an endless belt which is heated over at least a part of its run, and the coated sheet material is removed from a terminal portion of the heated run. The coated sheet material may be stretched after production or between the formation of successive layers. Plastics referred to are vinylidene chlorideacrylic acid methyl ester, and butadieneacrylonitrile copolymers.
GB4415760A 1959-12-23 1960-12-22 Process for the manufacture of multi-layer sheet materials Expired GB972642A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF30167A DE1211791B (en) 1959-12-23 1959-12-23 Process for the production of plastic films

Publications (1)

Publication Number Publication Date
GB972642A true GB972642A (en) 1964-10-14

Family

ID=7093641

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4415760A Expired GB972642A (en) 1959-12-23 1960-12-22 Process for the manufacture of multi-layer sheet materials

Country Status (5)

Country Link
BE (1) BE593988A (en)
CH (1) CH378532A (en)
DE (1) DE1211791B (en)
GB (1) GB972642A (en)
LU (1) LU38995A1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2551035A (en) * 1946-01-30 1951-05-01 Ransburg Electro Coating Corp Electrostatic deposition of elastomer material
DE1036513B (en) * 1953-07-08 1958-08-14 Lissmann Alkor Werk Method and device for the production of composite material from thermoplastic material

Also Published As

Publication number Publication date
CH378532A (en) 1964-06-15
DE1211791B (en) 1966-03-03
BE593988A (en) 1960-12-01
LU38995A1 (en) 1960-09-26

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