GB590398A - Improvements in or relating to coated films - Google Patents

Improvements in or relating to coated films

Info

Publication number
GB590398A
GB590398A GB9846/45A GB984645A GB590398A GB 590398 A GB590398 A GB 590398A GB 9846/45 A GB9846/45 A GB 9846/45A GB 984645 A GB984645 A GB 984645A GB 590398 A GB590398 A GB 590398A
Authority
GB
United Kingdom
Prior art keywords
wax
resin
methyl
toluene
liquid polymer
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
GB9846/45A
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.)
Celanese Corp
Original Assignee
Celanese Corp
Celanese Corp of America
Filing date
Publication date
Application filed by Celanese Corp, Celanese Corp of America filed Critical Celanese Corp
Publication of GB590398A publication Critical patent/GB590398A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04Coating
    • C08J7/0427Coating with only one layer of a composition containing a polymer binder
    • 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
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04Coating
    • C08J7/052Forming heat-sealable coatings
    • 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
    • C08J2301/00Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/02Cellulose; Modified cellulose
    • 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
    • C08J2425/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

A film of a carboxylic acid ester or ether of cellulose is provided with a water-resistant, heat-sealing coating comprising polystyrene, a wax, a natural resin or resin substitute, and, as plasticiser, a liquid polymer of styrene or of a lower alkyl derivative thereof. Suitable waxes are paraffin wax, a high-melting microcrystalline hydrocarbon wax known as "Santowax," beeswax, candelilla wax, montan wax, ozokerite and chlorinated naphthalenes. The specified resin is gum dammar and resin substitutes include ester gums, hydrogenated methyl abietate and formaldehyde-toluene-sulphonamide resins. The coating is conveniently formed from a solution in toluene, benzene or xylene, which may, but preferably does not, contain from 5-20 per cent by weight of solvent for the cellulose ester film, e.g. acetone, ethylene dichloride or ethyl alcohol. The liquid polymer of alpha-methyl-para-methyl styrene may be prepared using stannic chloride as catalyst. The coated films are stated to be useful as wrappers and as electrical insulators.
GB9846/45A 1945-04-19 Improvements in or relating to coated films Expired GB590398A (en)

Publications (1)

Publication Number Publication Date
GB590398A true GB590398A (en) 1947-07-16

Family

ID=1630005

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9846/45A Expired GB590398A (en) 1945-04-19 Improvements in or relating to coated films

Country Status (1)

Country Link
GB (1) GB590398A (en)

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