GB601050A - Process for the lamination of plastic sheet material - Google Patents

Process for the lamination of plastic sheet material

Info

Publication number
GB601050A
GB601050A GB2729246A GB2729246A GB601050A GB 601050 A GB601050 A GB 601050A GB 2729246 A GB2729246 A GB 2729246A GB 2729246 A GB2729246 A GB 2729246A GB 601050 A GB601050 A GB 601050A
Authority
GB
United Kingdom
Prior art keywords
sheet
sheets
plasticiser
sol
resin
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
GB2729246A
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.)
ERIC ALBERT BINGEN
EIDP Inc
Original Assignee
ERIC ALBERT BINGEN
EI Du Pont de Nemours and Co
Filing date
Publication date
Application filed by ERIC ALBERT BINGEN, EI Du Pont de Nemours and Co filed Critical ERIC ALBERT BINGEN
Publication of GB601050A publication Critical patent/GB601050A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J5/00Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/12Bonding of a preformed macromolecular material to the same or other solid material such as metal, glass, leather, e.g. using adhesives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Laminated Bodies (AREA)

Abstract

601,050. Compound sheet materials. DU PONT DE NEMOURS & CO., E. I., and BINGEN, E. A. April 21, 1944, No. 27292. Divided out of 586,028. A Specification was laid open to inspection under Sect. 91 of the Acts, Sept. 11, 1946. [Class 140] Resinous plastic sheets which do not adhere readily to one another are united by coating one sheet with a water-insoluble plasticiser and, simultaneously or subsequently, with a composition containing a liquid polysilicic acid sol and a volatile organic solvent for both the plasticiser and the sol, the coating having a pH value of less than 1.5, applying the other sheet to the coated surface while still wet with solvent, and hot-pressing to unite the sheets. When the plasticiser is applied first it may be in the form of a solution of highly plasticised polymethyl methacrylate. The sheets to be united may be of natural resin, modified natural resin, or synthetic resin. A sheet of polyvinyl acetal resin, e.g. the butyral, may be united to one or two outer sheets of a polymerised methacrylic or acrylic compound, e.g. the methyl, ethyl, propyl or other ester, the anhydride, or the acid. In examples (1) two sheets of polymethyl methacrylate are coated on one side with a composition containing tetraethyl silicate, ethyl alcohol, dimethyl phthalate, and hydrochloric acid, a sheet of polyvinyl butyral resin plasticised with dibutyl phthalate is placed between the coated surfaces, and the assembly hotpressed at 140‹C (2) as in (1) but the adhesive contains dimethyl phthalate, polysilicic acid sol (20 per cent sol in butanol), ethyl alcohol and hydrochloric acid, and the polyvinyl butyral sheet is plasticised with dibutyl sebacate. The assembly is placed between glass sheets in a rubber bag which is evacuated and subjected to oil pressure in an autoclave. The formed sheet was softened and bent into semi-cylindrical shape. The plasticiser in the adhesive coating may be diethyl or di-methoxyethyl phthalate, dimethyl azelate, di-methoxyethyl adipate, or dimethyl sebacate. Alcohols, ketones, esters of organic or inorganic acids, ethers, amides, or organic acids are suitable solvents, acetone, nbutanol, and tributyl phosphate being specified.
GB2729246A 1944-04-21 Process for the lamination of plastic sheet material Expired GB601050A (en)

Publications (1)

Publication Number Publication Date
GB601050A true GB601050A (en) 1948-04-26

Family

ID=1740506

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2729246A Expired GB601050A (en) 1944-04-21 Process for the lamination of plastic sheet material

Country Status (1)

Country Link
GB (1) GB601050A (en)

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