FR2396041A1 - Foamed flame-proofed polystyrene extrudate, e.g. packaging foil - contains aluminium hydroxide and inorganic lubricant, e.g. talcum - Google Patents

Foamed flame-proofed polystyrene extrudate, e.g. packaging foil - contains aluminium hydroxide and inorganic lubricant, e.g. talcum

Info

Publication number
FR2396041A1
FR2396041A1 FR7818721A FR7818721A FR2396041A1 FR 2396041 A1 FR2396041 A1 FR 2396041A1 FR 7818721 A FR7818721 A FR 7818721A FR 7818721 A FR7818721 A FR 7818721A FR 2396041 A1 FR2396041 A1 FR 2396041A1
Authority
FR
France
Prior art keywords
talcum
inorganic lubricant
aluminium hydroxide
contains aluminium
packaging foil
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.)
Granted
Application number
FR7818721A
Other languages
French (fr)
Other versions
FR2396041B1 (en
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.)
Manufacture de Machines du Haut Rhin SA MANURHIN
Original Assignee
Manufacture de Machines du Haut Rhin SA MANURHIN
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 Manufacture de Machines du Haut Rhin SA MANURHIN filed Critical Manufacture de Machines du Haut Rhin SA MANURHIN
Publication of FR2396041A1 publication Critical patent/FR2396041A1/en
Application granted granted Critical
Publication of FR2396041B1 publication Critical patent/FR2396041B1/fr
Granted 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
    • C08J9/0066—Use of inorganic compounding ingredients
    • 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
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • 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
    • C08K3/34—Silicon-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
    • C08J2325/02—Homopolymers or copolymers of hydrocarbons
    • C08J2325/04—Homopolymers or copolymers of styrene
    • C08J2325/06—Polystyrene

Abstract

Extruded foamed polystyrene article, having reduced flammability and low final bulk density, contains, by wt. w.r.t. initial wt., 20-50% Al hydroxide, (I) esp. Al(OH)3, and 3-10% inorganic lubricant (II), pref. talcum. (I) may be combined with further flame-retarders, esp. organic Cl- and/or Br cpds. and Sb2O3. Extruded foam polystyrene foil is used in packaging, e.g. as boxes for packing eggs and bottles. (I) lowers bulk density, without the addn. of further pore-formers, e.g. NaHCO3 and flammability. Addn. of (II) improves uniform distribution of (I) in foam and reduces abrasion, e.g. in contact with machinery. Pore radius is also reduced.
FR7818721A 1977-06-30 1978-06-22 Foamed flame-proofed polystyrene extrudate, e.g. packaging foil - contains aluminium hydroxide and inorganic lubricant, e.g. talcum Granted FR2396041A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2729493A DE2729493C2 (en) 1977-06-30 1977-06-30 Moldings made from foamed polystyrene, in particular foamed polystyrene films

Publications (2)

Publication Number Publication Date
FR2396041A1 true FR2396041A1 (en) 1979-01-26
FR2396041B1 FR2396041B1 (en) 1980-07-18

Family

ID=6012757

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7818721A Granted FR2396041A1 (en) 1977-06-30 1978-06-22 Foamed flame-proofed polystyrene extrudate, e.g. packaging foil - contains aluminium hydroxide and inorganic lubricant, e.g. talcum

Country Status (2)

Country Link
DE (1) DE2729493C2 (en)
FR (1) FR2396041A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000034366A2 (en) * 1998-12-07 2000-06-15 Genpak, L.L.C. Process for producing alkenyl aromatic foams having increased thermal insulation using cycloalkane blowing agent and foams produced thereby

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4213326A1 (en) * 1991-10-30 1993-05-06 Bayer Ag, 5090 Leverkusen, De RECYCLABLE THERMOPLASTIC FOAM WITH HIGH GLASS TEMPERATURE

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE668540A (en) * 1964-08-20 1966-02-21
JPS4920062A (en) * 1972-06-17 1974-02-22
JPS49103957A (en) * 1973-02-02 1974-10-02
US3848038A (en) * 1973-06-04 1974-11-12 Raytheon Co Drying expanded plastic with microwave energy
FR2266589A1 (en) * 1974-04-05 1975-10-31 Charbonnages Ste Chimique High density thermoplastic foam sheet - from compsn. contg. micronised talc as nucleating agent and (halogenated) hydrocarbon blowing agent

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE668540A (en) * 1964-08-20 1966-02-21
JPS4920062A (en) * 1972-06-17 1974-02-22
JPS49103957A (en) * 1973-02-02 1974-10-02
US3848038A (en) * 1973-06-04 1974-11-12 Raytheon Co Drying expanded plastic with microwave energy
FR2266589A1 (en) * 1974-04-05 1975-10-31 Charbonnages Ste Chimique High density thermoplastic foam sheet - from compsn. contg. micronised talc as nucleating agent and (halogenated) hydrocarbon blowing agent

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CA1975 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000034366A2 (en) * 1998-12-07 2000-06-15 Genpak, L.L.C. Process for producing alkenyl aromatic foams having increased thermal insulation using cycloalkane blowing agent and foams produced thereby
WO2000034366A3 (en) * 1998-12-07 2000-11-16 Genpak L L C Process for producing alkenyl aromatic foams having increased thermal insulation using cycloalkane blowing agent and foams produced thereby

Also Published As

Publication number Publication date
DE2729493C2 (en) 1979-07-26
FR2396041B1 (en) 1980-07-18
DE2729493B1 (en) 1978-11-23

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Legal Events

Date Code Title Description
ST Notification of lapse