FR2079991A5 - Asymmetrical polystyrene pearls - by agitated suspension polymn in the presence of colloid protectors - Google Patents

Asymmetrical polystyrene pearls - by agitated suspension polymn in the presence of colloid protectors

Info

Publication number: FR2079991A5
Authority: FR; France
Prior art keywords: pearls; asymmetrical; polymer; concn; colloid
Prior art date: 1970-02-19
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

FR7005966A

Other languages

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.)

Produits Chimiques Pechiney Saint Gobain

Original Assignee

Produits Chimiques Pechiney Saint Gobain

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.)

1970-02-19

Filing date

1970-02-19

Publication date

1971-11-12

1970-02-19 Application filed by Produits Chimiques Pechiney Saint Gobain filed Critical Produits Chimiques Pechiney Saint Gobain

1970-02-19 Priority to FR7005966A priority Critical patent/FR2079991A5/fr

1971-08-13 Priority to BE771338A priority patent/BE771338A/fr

1971-11-12 Application granted granted Critical

1971-11-12 Publication of FR2079991A5 publication Critical patent/FR2079991A5/fr

Status Expired legal-status Critical Current

Links

239000011049 pearl Substances 0.000 title abstract 3
239000000084 colloidal system Substances 0.000 title abstract 2
230000001012 protector Effects 0.000 title abstract 2
239000000725 suspension Substances 0.000 title abstract 2
239000004793 Polystyrene Substances 0.000 title 1
229920002223 polystyrene Polymers 0.000 title 1
PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 abstract 4
229920000642 polymer Polymers 0.000 abstract 3
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 2
239000012429 reaction media Substances 0.000 abstract 2
238000013019 agitation Methods 0.000 abstract 1
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
229910000019 calcium carbonate Inorganic materials 0.000 abstract 1
235000010216 calcium carbonate Nutrition 0.000 abstract 1
229920001577 copolymer Polymers 0.000 abstract 1
229910052593 corundum Inorganic materials 0.000 abstract 1
229920013821 hydroxy alkyl cellulose Polymers 0.000 abstract 1
239000000178 monomer Substances 0.000 abstract 1
238000010008 shearing Methods 0.000 abstract 1
239000004094 surface-active agent Substances 0.000 abstract 1
229910001845 yogo sapphire Inorganic materials 0.000 abstract 1

Classifications

- 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
- C08F12/00—Homopolymers and 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
- C08F12/02—Monomers containing only one unsaturated aliphatic radical
- C08F12/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F12/06—Hydrocarbons
- C08F12/08—Styrene
- 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
- 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

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)
Lubricants (AREA)

FR7005966A 1970-02-19 1970-02-19 Asymmetrical polystyrene pearls - by agitated suspension polymn in the presence of colloid protectors Expired FR2079991A5 (en)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
FR7005966A FR2079991A5 (en)	1970-02-19	1970-02-19	Asymmetrical polystyrene pearls - by agitated suspension polymn in the presence of colloid protectors
BE771338A BE771338A (fr)	1970-02-19	1971-08-13	Preparation de perles deformees de polymeres du styrene.

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR7005966A FR2079991A5 (en)	1970-02-19	1970-02-19	Asymmetrical polystyrene pearls - by agitated suspension polymn in the presence of colloid protectors
BE771338A BE771338A (fr)	1970-02-19	1971-08-13	Preparation de perles deformees de polymeres du styrene.

Publications (1)

Publication Number	Publication Date
FR2079991A5 true FR2079991A5 (en)	1971-11-12

Family

ID=25656930

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7005966A Expired FR2079991A5 (en)	1970-02-19	1970-02-19	Asymmetrical polystyrene pearls - by agitated suspension polymn in the presence of colloid protectors

Country Status (2)

Country	Link
BE (1)	BE771338A (fr)
FR (1)	FR2079991A5 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4618468A (en) *	1983-09-01	1986-10-21	Chemische Werke Huls Aktiengesellschaft	Method for controlling bead size in the production of expandable styrene polymers by suspension polymerization
WO2004029151A1 (fr) *	2002-09-20	2004-04-08	Basf Aktiengesellschaft	Melanges de microgranules exempts d'agents gonflants

1970
- 1970-02-19 FR FR7005966A patent/FR2079991A5/fr not_active Expired
1971
- 1971-08-13 BE BE771338A patent/BE771338A/fr unknown

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4618468A (en) *	1983-09-01	1986-10-21	Chemische Werke Huls Aktiengesellschaft	Method for controlling bead size in the production of expandable styrene polymers by suspension polymerization
WO2004029151A1 (fr) *	2002-09-20	2004-04-08	Basf Aktiengesellschaft	Melanges de microgranules exempts d'agents gonflants

Also Published As

Publication number	Publication date
BE771338A (fr)	1972-02-16

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Legal Events

Date	Code	Title	Description
1982-12-17	ST	Notification of lapse