WO2005103136A2 - Compositions de polymeres de styrene ignifuges - Google Patents

Compositions de polymeres de styrene ignifuges

Info

Publication number
WO2005103136A2
WO2005103136A2 PCT/IL2005/000423 IL2005000423W WO2005103136A2 WO 2005103136 A2 WO2005103136 A2 WO 2005103136A2 IL 2005000423 W IL2005000423 W IL 2005000423W WO 2005103136 A2 WO2005103136 A2 WO 2005103136A2
Authority
WO
WIPO (PCT)
Prior art keywords
fire
composition according
polymer composition
retarded
retarded 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.)
Ceased
Application number
PCT/IL2005/000423
Other languages
English (en)
Other versions
WO2005103136A3 (fr
Inventor
Grigory I. Titelman
Samuel Bron
Joseph Zilberman
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.)
Bromine Compounds Ltd
Original Assignee
Bromine Compounds 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 Bromine Compounds Ltd filed Critical Bromine Compounds Ltd
Publication of WO2005103136A2 publication Critical patent/WO2005103136A2/fr
Publication of WO2005103136A3 publication Critical patent/WO2005103136A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • 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
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/51—Phosphorus bound to oxygen
    • C08K5/52—Phosphorus bound to oxygen only
    • C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
    • C08K5/523—Esters of phosphoric acids, e.g. of H3PO4 with hydroxyaryl compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates

Definitions

  • the present invention relates to a composition consisting of fire-retarded
  • the present invention relates to a halogen-free
  • polystyrene polymers comprising polystyrene polymers and copolymers.
  • Polystyrene polymers comprising polystyrene polymers and copolymers.
  • copolymers include: polystyrene (PS), "high impact polystyrenes”
  • HIPS acrylonitrile butadiene/styrene copolymers
  • SAN styrene/acrylonitrile copolymers
  • polystyrene polymers and copolymers be flame-diolymers
  • halogen-containing fire retardants which impart a higher level of fire
  • retardants require synergistic additives such as antimony oxide, which is
  • phosphate or pyrophosphate are effective in rather high amounts, and
  • fire retardants generate soot or
  • phosphorous-containing fire retardants such as aromatic phosphate
  • esters are effective in relatively small amounts, but only in a few types of
  • styrene polymers such as alloys of PC/ABS or PPO HIPS when contain relatively low content of the styrene-containing polymers.
  • polystyrene polymers and copolymers such as PS, ABS, HIPS,
  • HOG organic phosphorous type fire retardant
  • Patent of Tosoh Corporation discloses fire-retarded polyolefin
  • compositions contain previously prepared tablets of a phosphorous-
  • fire retardant APP alone or mixture of organic phosphorous-
  • flame -retardants and or organic phosphorous-based flame-retardants.
  • containing polymer and copolymer is based solely on the presence and
  • polystyrene polymers is selected from the group consisting of polystyrene polymers and
  • the present invention provides a fire-retarded polymer composition
  • Fig. 1 is a SEM micrograph of sample surface referred to as Comparative
  • Fig. 2 is a SEM micrograph of sample surface referred to as Example 21.
  • Fig. 3 is a SEM micrograph of sample surface referred to as Comparative
  • Fig. 4 is a SEM micrograph of sample surface referred to as Example 22.
  • Fig. 5 is a SEM micrograph of sample surface referred to as Comparative
  • Fig. 6 is a SEM micrograph of sample surface referred to as Example 24. Description of the Invention
  • the invention therefore, provides a fire-retarded composition
  • a fire-retarded composition comprising:
  • the phosphorous-containing fire-retardant may be single component or
  • the invention therefore provides a fire-retarded styrene-containing
  • polymer(s) composition which comprises: Component A: a polystyrene polymer and/or copolymer, preferably PS,
  • Component B 4 to 15% (preferably 8 to 10%) by weight of heat expandable
  • Component C 6 to 12.5% (preferably 8 to 12.5%) by weight of organic compound
  • phosphorous-containing fire retardant preferably triphenyl phosphate
  • Component D 8 to 20% (preferably 12 to 15%) by weight of co-additive,
  • the component A may consist of a single polystyrene polymer, a copolymer
  • styrene-type monomer including styrene
  • HIPS polystyrenes
  • ABS styrene copolymers
  • SAN copolymers
  • the component B of the fire retarded styrene-containing polymer and
  • copolymer composition of present invention is heat expandable graphite which is well-known in the art, and it is further described by Georgiaman,
  • the HEG under fire decomposes thermally into a char of expanded
  • the heat expandable graphite is derived from natural graphite or artificial
  • the exfohation degree, or the expandability of HEG depends on the rate of
  • the present invention is preferably not less than 50 times for that range of
  • a HEG having a specific volume increase by at least
  • the HEG having a carbon content of more than 87% provides during
  • the heat expandable graphite used in the present invention can be produced
  • the oxidation is conducted, for example, by treatment
  • an oxidizing agent such as hydrogen peroxide, nitric acid or another
  • the graphite can be anodically oxidized in an aqueous acidic
  • the heat expandable graphite which is produced by oxidation in sulfuric
  • composition may occur.
  • invention affects the expandability degree of the HEG and, in turn, the
  • the HEG containing more than 25% by
  • the heat expandable graphite containing the above particles at a content lower than 1% by weight may slightly impair
  • the surface of the polymer composition In a preferred embodiment, the surface of the polymer composition.
  • heat expandable graphite particles may be surface-treated with a coupling
  • a coupling agent can be separately
  • Component C in the present invention is the phosphorous-containing
  • phosphates phosphonates
  • containing flame retardant additive may include monomeric, dimeric
  • Component C suitable for use as Component C include aromatic phosphate esters of
  • Ri, R2, R3 and 4 are the same or different, an aryl group
  • A is a arylene group; and n is an integer from 0 to 5.
  • phosphate esters can be either triarylphosphates, where "n" in the formula
  • n for each oligomer is an integer from 2 to
  • the aryl group may be phenyl, cresyl, 2,6-xylenyl, and the like.
  • the arylene group may be a group derived from a dihydric compound, for
  • resorcinol for example, resorcinol, bisphenol A, 4,4'-biphenol, and the like.
  • arylphosphate esters for use herein include triphenyl
  • said Component C may consist of a
  • single phosphorous-containing fire retardant material or it may consist of a mixture of two or more different organic phosphorous-containing fire
  • said component C may be a mixture comprising at least one
  • Component D could be any polycarbonate, based on bisphenol A which is
  • Component B and Component C are identical to each other. According to the present invention, Component B and Component C are identical to each other.
  • Component D (co-additive), preferably at 8-20 wt% load
  • the polymer composition exhibits still flame retardancy (a relatively
  • the polymer composition may contain other kinds of additives known in
  • Component A is a compound having Component A:
  • Component B is a compound having Component B:
  • the organic phosphorous-containing FR (Component C) can be used either
  • Component A Various amounts of (B), (C) and (D) as shown in Tables 2-4,
  • mm thickness were prepared by compression molding in a hot press at
  • the flammability was tested by the limiting oxygen index (hereinafter
  • Table 2 demonstrates fire retarded HIPS-based compositions
  • compositions of Examples 1-4 was the same as in Comparative Examples,
  • Component C may be used successfully to impart flame
  • V-0, V-1 or V-2) were achieved.
  • polymer composition of Example 2 have no greasy feel.
  • a total amount of fire retardant combination (containing Components B and C) in a loading range from 12% to 22.5 wt% is used for polystyrene
  • Example 13 (8% Component Dl) have still slightly greasy feel.
  • Table 4
  • V-0, V-1 or V-2) were achieved.
  • Component Dl shows not only a suppression of aryl phosphate esters
  • Component C in the composition is 8 wt% (total amount of fire retardants
  • Heat Expandable Graphite is an essential component of fire retardant combination required to achieve flame retardancy.
  • Example 20 From 10% to 4% leads to a gradual loss of fire retardancy.
  • the highest level of fire retardancy is achieved when the amount of fire
  • Component C is 6-10 wt%, and polymer composition contains 12% of
  • Component D These fire retardant polymer compositions have no greasy
  • the Examples 21-26 are further tested for determining UL-94 values for
  • HIPS HIPS (A2) was used as Component A.
  • Components A, B and C or A, B, C were used as Component A.
  • test specimens were prepared by
  • melt flow index MFI
  • the fire retardant combination of the present invention imparts a high
  • free fire-retarded styrene polymer compositions of the present invention containing heat expandable graphite and organic phosphorous-containing
  • composition demonstrates high melting flow rate (good processability).
  • Component B heat expandable graphite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

L'invention concerne une composition de polymère ignifugé contenant du graphite expansible à la chaleur (HEG), au moins un composant ignifuge contenant du phosphore et au moins un co-additif adapté pour diminuer la migration du composant ignifuge contenant du phosphore sur une surface du polymère, le composant de polymère de ladite composition étant sélectionné dans le groupe composé d'un polymère et/ou d'un copolymère de polystyrène.
PCT/IL2005/000423 2004-04-22 2005-04-21 Compositions de polymeres de styrene ignifuges Ceased WO2005103136A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL16159204A IL161592A0 (en) 2004-04-22 2004-04-22 Fire retarded styrene polymer compositions
IL161592 2004-04-22

Publications (2)

Publication Number Publication Date
WO2005103136A2 true WO2005103136A2 (fr) 2005-11-03
WO2005103136A3 WO2005103136A3 (fr) 2005-12-08

Family

ID=34074026

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2005/000423 Ceased WO2005103136A2 (fr) 2004-04-22 2005-04-21 Compositions de polymeres de styrene ignifuges

Country Status (2)

Country Link
IL (1) IL161592A0 (fr)
WO (1) WO2005103136A2 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009007358A1 (fr) * 2007-07-10 2009-01-15 Basf Se Composition de moulage thermoplastique retardatrice de flamme
WO2009037236A1 (fr) * 2007-09-18 2009-03-26 Basf Se Polystyrène ignifugé et polystyrène modifié résistant aux chocs
WO2009121821A1 (fr) * 2008-04-01 2009-10-08 Basf Se Matériaux de moulage thermoplastiques ignifugés
WO2011039292A1 (fr) 2009-10-01 2011-04-07 Basf Se Procédé de production de composés d'intercalation du graphite expansibles fonctionnalisés
WO2011039301A1 (fr) 2009-10-01 2011-04-07 Basf Se Composés d'intercalation du graphite expansibles fonctionnalisés
CN102190878A (zh) * 2010-03-01 2011-09-21 帝人化成株式会社 阻燃性热塑性树脂组合物
WO2012080388A1 (fr) 2010-12-16 2012-06-21 Basf Se Matières à mouler ignifuges modifiées au caoutchouc et leur préparation
WO2013068297A1 (fr) * 2011-11-10 2013-05-16 Basf Se Procédé de préparation de polymères de styrène expansibles contenant des particules de carbone hydrophobées
US8541612B2 (en) 2008-04-01 2013-09-24 Basf Se Unsaturated diphosphine monoxides
US8575269B2 (en) 2007-09-14 2013-11-05 Styrolution GmbH Transparent, tough and rigid molding compositions based on styrene-butadiene block copolymer mixtures

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4722809A (en) * 1986-09-22 1988-02-02 The Dow Chemical Company Flame retarded polyamide compositions
US5760115A (en) * 1995-03-03 1998-06-02 Tosoh Corporation Fire-retardant polymer composition
ES2206843T3 (es) * 1998-05-22 2004-05-16 Kyowa Chemical Industry Co., Ltd. Composicion de resina termoplastica ignifuga.

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8129455B2 (en) 2007-07-10 2012-03-06 Styrolution GmbH Flame retardant thermoplastic molding compositions
WO2009007358A1 (fr) * 2007-07-10 2009-01-15 Basf Se Composition de moulage thermoplastique retardatrice de flamme
CN101688038B (zh) * 2007-07-10 2013-01-16 巴斯夫欧洲公司 阻燃性热塑性模塑组合物
US8575269B2 (en) 2007-09-14 2013-11-05 Styrolution GmbH Transparent, tough and rigid molding compositions based on styrene-butadiene block copolymer mixtures
WO2009037236A1 (fr) * 2007-09-18 2009-03-26 Basf Se Polystyrène ignifugé et polystyrène modifié résistant aux chocs
US20110028613A1 (en) * 2008-04-01 2011-02-03 Basf Se Flame-retardent thermoplastic compositions
US8541612B2 (en) 2008-04-01 2013-09-24 Basf Se Unsaturated diphosphine monoxides
WO2009121821A1 (fr) * 2008-04-01 2009-10-08 Basf Se Matériaux de moulage thermoplastiques ignifugés
WO2011039301A1 (fr) 2009-10-01 2011-04-07 Basf Se Composés d'intercalation du graphite expansibles fonctionnalisés
WO2011039292A1 (fr) 2009-10-01 2011-04-07 Basf Se Procédé de production de composés d'intercalation du graphite expansibles fonctionnalisés
CN102190878A (zh) * 2010-03-01 2011-09-21 帝人化成株式会社 阻燃性热塑性树脂组合物
WO2012080388A1 (fr) 2010-12-16 2012-06-21 Basf Se Matières à mouler ignifuges modifiées au caoutchouc et leur préparation
WO2013068297A1 (fr) * 2011-11-10 2013-05-16 Basf Se Procédé de préparation de polymères de styrène expansibles contenant des particules de carbone hydrophobées

Also Published As

Publication number Publication date
WO2005103136A3 (fr) 2005-12-08
IL161592A0 (en) 2004-09-27

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