FR2649398B1 - PROCESS FOR THE PREPARATION OF EXPANDABLE PEARLS AND DERIVATIVE MATERIALS - Google Patents

PROCESS FOR THE PREPARATION OF EXPANDABLE PEARLS AND DERIVATIVE MATERIALS

Info

Publication number
FR2649398B1
FR2649398B1 FR8909142A FR8909142A FR2649398B1 FR 2649398 B1 FR2649398 B1 FR 2649398B1 FR 8909142 A FR8909142 A FR 8909142A FR 8909142 A FR8909142 A FR 8909142A FR 2649398 B1 FR2649398 B1 FR 2649398B1
Authority
FR
France
Prior art keywords
preparation
derivative materials
pearls
expandable
expandable pearls
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 - Fee Related
Application number
FR8909142A
Other languages
French (fr)
Other versions
FR2649398A1 (en
Inventor
Hugues Godfrin
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.)
Norsolor SA
Original Assignee
Norsolor SA
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 Norsolor SA filed Critical Norsolor SA
Priority to FR8909142A priority Critical patent/FR2649398B1/en
Publication of FR2649398A1 publication Critical patent/FR2649398A1/en
Application granted granted Critical
Publication of FR2649398B1 publication Critical patent/FR2649398B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C08J9/16—Making expandable particles
    • 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
FR8909142A 1989-07-06 1989-07-06 PROCESS FOR THE PREPARATION OF EXPANDABLE PEARLS AND DERIVATIVE MATERIALS Expired - Fee Related FR2649398B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8909142A FR2649398B1 (en) 1989-07-06 1989-07-06 PROCESS FOR THE PREPARATION OF EXPANDABLE PEARLS AND DERIVATIVE MATERIALS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8909142A FR2649398B1 (en) 1989-07-06 1989-07-06 PROCESS FOR THE PREPARATION OF EXPANDABLE PEARLS AND DERIVATIVE MATERIALS

Publications (2)

Publication Number Publication Date
FR2649398A1 FR2649398A1 (en) 1991-01-11
FR2649398B1 true FR2649398B1 (en) 1991-10-18

Family

ID=9383562

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8909142A Expired - Fee Related FR2649398B1 (en) 1989-07-06 1989-07-06 PROCESS FOR THE PREPARATION OF EXPANDABLE PEARLS AND DERIVATIVE MATERIALS

Country Status (1)

Country Link
FR (1) FR2649398B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4308636A1 (en) * 1993-03-18 1994-09-22 Basf Ag Process for the preparation of bead-shaped expandable styrene polymers with improved expandability

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1494934B2 (en) * 1963-02-19 1970-10-01 Badische Anilin- & Soda-Fabrik Ag, 6700 Ludwigshafen Flame-retardant, finely divided, expandable molding compound
US4065411A (en) * 1974-06-03 1977-12-27 Sekisui Kaseihin Kogyo Kabushiki Kaisha Process for the preparation of expandable styrene polymer particles
DE2548524A1 (en) * 1975-10-30 1977-05-05 Basf Ag PROCESS FOR PRODUCING EXPANDABLE STYRENE POLYMERIZED
DE3243885A1 (en) * 1981-11-27 1983-06-09 USS Engineers and Consultants, Inc., 15230 Pittsburgh, Pa. EXPANDABLE POLYSTYRENE BALLS AND METHOD FOR THE PRODUCTION THEREOF

Also Published As

Publication number Publication date
FR2649398A1 (en) 1991-01-11

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Legal Events

Date Code Title Description
ST Notification of lapse