GB1059777A - Foamed or foamable vinylaromatic polymer compositions - Google Patents

Foamed or foamable vinylaromatic polymer compositions

Info

Publication number
GB1059777A
GB1059777A GB50574/64A GB5057464A GB1059777A GB 1059777 A GB1059777 A GB 1059777A GB 50574/64 A GB50574/64 A GB 50574/64A GB 5057464 A GB5057464 A GB 5057464A GB 1059777 A GB1059777 A GB 1059777A
Authority
GB
United Kingdom
Prior art keywords
vinyl
aromatic
polymer
foamable
ultra
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
GB50574/64A
Inventor
Norman Edgar Williams
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.)
Monsanto Chemicals Ltd
Original Assignee
Monsanto Chemicals 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
Application filed by Monsanto Chemicals Ltd filed Critical Monsanto Chemicals Ltd
Priority to GB50574/64A priority Critical patent/GB1059777A/en
Priority to FR41535A priority patent/FR1460211A/en
Publication of GB1059777A publication Critical patent/GB1059777A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0014—Use of organic additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/16—Making expandable particles
    • C08J9/20—Making expandable particles by suspension polymerisation in the presence of the blowing agent
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0041—Optical brightening agents, organic pigments
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2325/00—Characterised 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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

Foamed or foamable vinyl-aromatic polymer resin compositions comprise a compound which exhibits a visible fluorescence under the influence of ultra-violet light. These compositions are preferably made by polymerizing an aqueous emulsion of a vinyl-aromatic monomer, a blowing agent, the ultra-violet flourescent substance and optionally other additives such as flame retarding agents. Polymerization catalysts such as dibenzoyl peroxide and emulsifiers such as polyvinyl-pyrrolidone may also be present in the emulsion. According to an alternative embodiment of the invention the foamable resin composition may be obtained by coating particles of a foamable vinyl-aromatic resin with a surface layer which comprises the additives. The preferred vinyl-aromatic resin is a styrene polymer. Homo-polymers of chlorostyrene, vinyl-toluene or a -methyl-styrene as well as copolymers of a vinyl-aromatic monomer with acrylonitrile, vinyl-chloride, vinyl-acetate, methyl acrylate, methyl methacrylate or ethyl acrylate may be used. The ultra-violet fluorescent compound, which is preferably soluble in the vinyl-aromatic monomer, may be a derivative of 4,41-bis(triazinyl)-stilbene -2,21-di-sulphonic acid, 2,5-(di-benzimidazol - 21 - yl) - furan, a ,b - di - (aryloxazol - 2 - yl) - ethylene or 2,5 - di - (benzoxazol - 21 - yl) - thiophene -particularly suitable is " Uvitex " (Registered Trade Mark) which is stated to be 2,5 - di - (41,51 - dimethyl - benzoxazol - 21 - yl) - 3,4 -dimethyl-thiophene and is added in a proportion amounting to 0.0001 to 0.1% by weight of the polymer. The blowing agent, representing 3-10% by weight of the polymer, is preferably a hydrocarbon such as butane or pentane. Chemical blowing agents such as sodium or ammonium bicarbonate, di-nitroso-pentamethylene -diamine or barium azo-dicarboxylate are also specified. Specified flame-retarding agents are tris(2,3 - di - bromo - propyl) - phosphate or hexa-bromo-cyclo-dodeca-triene.
GB50574/64A 1964-12-11 1964-12-11 Foamed or foamable vinylaromatic polymer compositions Expired GB1059777A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB50574/64A GB1059777A (en) 1964-12-11 1964-12-11 Foamed or foamable vinylaromatic polymer compositions
FR41535A FR1460211A (en) 1964-12-11 1965-12-09 Resin compositions which can be converted into foams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB50574/64A GB1059777A (en) 1964-12-11 1964-12-11 Foamed or foamable vinylaromatic polymer compositions

Publications (1)

Publication Number Publication Date
GB1059777A true GB1059777A (en) 1967-02-22

Family

ID=10456430

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50574/64A Expired GB1059777A (en) 1964-12-11 1964-12-11 Foamed or foamable vinylaromatic polymer compositions

Country Status (2)

Country Link
FR (1) FR1460211A (en)
GB (1) GB1059777A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT409490B (en) * 2000-07-12 2002-08-26 Sunpor Kunststoff Gmbh EXPANDABLE POLYSTYRENE PARTICLES, MIXTURE THEREOF, METHOD FOR THEIR PRODUCTION AND POLYSTYRENE FOAM MOLDED PART MADE THEREOF
WO2007061326A1 (en) * 2005-11-24 2007-05-31 Termo Organika Sp. Z O.O. Method of preparation the materials protecting them against the effects of ultraviolet radiation and ozone
WO2007129925A1 (en) * 2006-05-09 2007-11-15 Termo Organika Sp. Z.O.O. Modified foamable and foamed materials and the method of obtaining such materials

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4029167A1 (en) * 1990-09-14 1992-03-19 Bayer Ag METHOD FOR IDENTIFYING PLASTICS
DE102005020816A1 (en) * 2005-05-04 2006-08-03 Ticona Gmbh Recycling of plastics from articles with components from thermoplastics, comprises dividing the articles into the single components/fragments, irradiating the single components and separating the fluorescent and non-fluorescent portions

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT409490B (en) * 2000-07-12 2002-08-26 Sunpor Kunststoff Gmbh EXPANDABLE POLYSTYRENE PARTICLES, MIXTURE THEREOF, METHOD FOR THEIR PRODUCTION AND POLYSTYRENE FOAM MOLDED PART MADE THEREOF
WO2007061326A1 (en) * 2005-11-24 2007-05-31 Termo Organika Sp. Z O.O. Method of preparation the materials protecting them against the effects of ultraviolet radiation and ozone
WO2007129925A1 (en) * 2006-05-09 2007-11-15 Termo Organika Sp. Z.O.O. Modified foamable and foamed materials and the method of obtaining such materials

Also Published As

Publication number Publication date
FR1460211A (en) 1966-11-25

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